Hi! The solution you point out there is exactly what I need - but without class intrusion. The class I am wrapping is not under my control, but belongs to a third party. Or does your solution apply also in a non-intrusive case which I overlooked?
Cheers, Sebastian Am 02.08.2011 um 11:10 schrieb [email protected]: > Hello sebastian, > > I think what you are looking for is covered by some enhancements i added > recently and described in this thread: > > http://thread.gmane.org/gmane.comp.lang.r.rcpp/2092 > > Romain > > > Le 1 août 2011 à 18:07, Sebastian Weber > <[email protected]> a écrit : > >> Hi, >> >> first of all thank you, Dirk and Romain, so much for this great library! I >> was stunned when I saw the examples. >> >> Hence, I started immediately a quite involved project which interfaces >> another library to R via C++. Currently I have the problem that I want to >> expose a function from a class which returns a pointer to a class. When >> exposing via the >> >> class_<A>.method("fun", &A::fun); >> >> mechanism, the compiler fails with a message saying that he cannot wrap the >> return type of function fun. The returned object itself is a pointer to >> another class B. How to solve this? I tried providing the wrap call with no >> success. >> >> Here is some code which might not work, but explains more detailed: >> >> class B {}; >> >> class A { >> public: >> B* fun(); >> }; >> >> which gives, when compiled: >> >> /Library/Frameworks/R.framework/Versions/2.13/Resources/library/Rcpp/include/Rcpp/internal/wrap.h:428: >> error: cannot convert ‘B* const’ to ‘SEXPREC*’ in initialization >> >> Any ideas how to fix this? >> >> Thanks, >> >> PS: Is there some bug tracking tool? I got some weird problem when the >> function wrapped expects a char as input. I fixed it somehow, but I am not >> sure if it is the right way... >> >> -- >> Sebastian Weber >> Group of Cell Communication and Control >> Freiburg Institute for Advanced Studies - FRIAS >> School of Life Sciences - LIFENET >> Albert-Ludwigs-Universität Freiburg >> Albertstr. 19 >> 79104 Freiburg >> T.: +49-761-203-97237 >> Fax:+49-761-203-97334 >> >> _______________________________________________ >> Rcpp-devel mailing list >> [email protected] >> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel -- Sebastian Weber Group of Cell Communication and Control Freiburg Institute for Advanced Studies - FRIAS School of Life Sciences - LIFENET Albert-Ludwigs-Universität Freiburg Albertstr. 19 79104 Freiburg T.: +49-761-203-97237 Fax:+49-761-203-97334 _______________________________________________ Rcpp-devel mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
