Re: [Swig-user] Regression with std::vector<boost::shared_ptr<>> in latest svn

[William S F. <ws...@fu...>]

Vadim Zeitlin wrote:
> On Wed, 26 May 2010 06:57:33 +0100 William S Fulton <ws...@fu...> wrote:
> 
> WSF> Vadim Zeitlin wrote:
> WSF> >  Hello,
> WSF> > 
> WSF> >  I've updated to r12045 to test the latest shared-pointer-related changes
> WSF> > and the new %shared_ptr looks great, it's much better than the old
> WSF> > SWIG_SHARED_PTR and especially SWIG_SHARED_PTR_DERIVED hacks. Unfortunately
> WSF> > it doesn't seem to work for me when wrapping vectors of shared_ptr, here is
> WSF> > the most trivial example possible:
> WSF> > 
> WSF> > $ cat vec_ptr.i
> WSF> > %module vec_ptr;
> WSF> > 
> WSF> > %include "boost_shared_ptr.i"
> WSF> > %include "std_vector.i"
> WSF> > 
> WSF> > %shared_ptr(Foo);
> WSF> > %template(Foos) std::vector< boost::shared_ptr<Foo> >;
> WSF> > $ swig -c++ -csharp vec_ptr.i
> WSF> > vec_ptr.i(4) : Error: Recursive $typemap calls not supported - $typemap(cstype, Foo)
> WSF> > vec_ptr.i(4) : Error: Recursive $typemap calls not supported - $typemap(cstype, Foo)
> WSF> > 
> WSF> 
> WSF> :( I guess I'll have to look at supporting this. Investigating...
> 
>  Thanks a lot in advance! This is used in dozens of places by the project I
> am working on so it would be really catastrophic for it if it stopped
> working in 2.0. As usual, I'd like to help but I don't really know where to
> start looking, it seems pretty clear that we do need the typemap in
> csharp/std_vector.i which provokes the error but I don't know why did it
> work before and not any more as this file didn't change at all.
> 
>  BTW, I should have mentioned that the problem is specific to C# backend,
> at least Java works fine. It also is unrelated to the previously mentioned
> SWIG_STD_VECTOR_ENHANCED, i.e. it doesn't work neither with nor without it.
> And, of course, you already know that this regression was introduced in
> r12037 ("shared_ptr improvements so the proxy class does not need to be
> specified - SWIG_SHARED_PTR macro deprecated and replaced by %shared_ptr").
> 

Working now as I've added in the ability for $typemap special variable 
macros to make accept other $typemap calls, please try again.

William