Re: [Swig-user] Re: reference counting

[Marcelo M. <mm...@ac...>]

yes, sorry, try:

  %typemap(newfree) IC* GetInterface() "result->AddRef();"

or

   %typemap(newfree) IC* GetInterface() "$1->AddRef();"


Marcelo

Jaroslav Gresula wrote:

> Marcelo Matus wrote:
>
>> Oh, I see the problem now, yes, you can use the "newfree" typemap for
>> forcing the extra reference when you call an "external constructor 
>> method",
>> ie:
>>
>> %typemap(newfree) GetInterface() "$source->AddRef();"
>>
>
> Sorry for bothering you again but it still does not work. I use 1.3.29 
> and when I add the suggested line it issues a warning regarding 
> deprecated typemap feature. Even when I fixed it (replaced $source 
> with $1) still no luck.
>
> At this moment, the only way I'm able to get it working is when I add 
> this:
>
> %exception GetInterface() {
>   $action
>   result->AddRef();
> }
>
> But it looks to me like a sort of hack as it is based on assumption 
> that SWIG will assign the result of $action to a variable named 'result'.
>
> It's a mystery to me that refcount.i from SWIG test suite does not 
> define any other directives than %refobject, %unrefobject, %newobject 
> but when i fed SWIG with it the generated wrapper function around 
> B::cloner() invokes addref() ... which is exactly what I want to 
> achieve with my GetInterface().
>
> Thanks,
> Jarda
>
>
>
>
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