Re: [Swig-user] PHP vs. C++ bool type

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

Jeffrey D. Wheelhouse wrote:
> Hello,
> 
> I've discovered the following issue in the current version of swig.
> 
> If a function has a default argument that is a bool, or if two 
> overloaded functions differ by the addition of a bool parameter, the 
> resulting swig wrapper that chooses between them doesn't seem to 
> recognize incoming boolean values.
> 
> I.e. for a function defined:
> 
> void fish(int i, bool b = false);
> 
> This PHP code will work:
> 
> fish(1);
> fish(1,1);
> 
> But this PHP code will fail:
> 
> fish(1,true);
> 
> If the bool argument is not defaulted/overloaded, it seems to recognize
> things properly.  In the generated _wrap_fish() function, this code
> seems to be responsible:
> 
>   if (argc == 2) {
>     int _v;
>     _v = (Z_TYPE_PP(argv[0]) == IS_LONG ||
>       Z_TYPE_PP(argv[0]) == IS_DOUBLE ||
>       Z_TYPE_PP(argv[0]) == IS_STRING) ? 1 : 0;
>     if (_v) {
>       _v = (Z_TYPE_PP(argv[1]) == IS_LONG ||
>         Z_TYPE_PP(argv[1]) == IS_DOUBLE ||
>         Z_TYPE_PP(argv[1]) == IS_STRING) ? 1 : 0;
>       if (_v) {
>         return _wrap_fish__SWIG_0(INTERNAL_FUNCTION_PARAM_PASSTHRU);
>       }
>     }
>   }
> 
> It doesn't pass the second "if (_v)." My guess is that there ought to be
> something in the nature of a " == IS_BOOL" in there at some point.
> 
> Unfortunately, I haven't the faintest idea how to go about something 
> like that.
> 
> Thanks for any help!
> 

Please log as a bug in the bug tracker or it might get forgotten about.

William