Template Macros in VS2003

[Jarosław Staniek]

On Sunday 21 January 2007 20:30, Stromek wrote:
> On Thu, Jan 18, 2007 at 05:10:54PM -0800, Ryan Loebs wrote:
> > Hello again!
> >
> > I decided to start fresh and did a clean SVN grab to make sure there
> > weren't any parts I missed.  One error that I got before and am still
> > getting is with the plastik and keramik packages.  The macro
> > K_EXPORT_STYLE(name, type) produces this error in VS2003:
> >
> > plastik.cpp(60) : error C2947: expecting '>' to terminate
> > template-argument-list, found '>>'
> >
> > Which, when I googled it, is fixed with a simple space in between a
> > few arguments in most cases.  It didn't work here though....  I can
> > bypass the error by commenting out the line but then I assume the
> > themes are never registered which probably causes some issues.  If
> > there's a way to fix this without having to upgrade to VS2005 I'd love
> > to know how.
>
> Yep, there is a way. As you wrote, inserting a simple space :) However
> it has to be inserted on the right place.
>
> First things first, it looks like this is a known compiler error which
> according the following microsoft page won't be fixed in msvc7.
>
> http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?Feedba
>ckID=98665
>
> The real error is caused by expanding Q_EXPORT_PLUGIN with argument which
> is of template type as defined in K_EXPORT_STYLE. One way is to make
> typedef something like
>
> typedef KStyleFactory< KeramikStyle > KStyleFactory_KeramikStyle;
> Q_EXPORT_PLUGIN( KStyleFactory_KeramikStyle )
>
> However, I don't know whether this can be automated by symbol definition
> because something like #define foo( type ) typedef foo_type doesn't
> expand type.
>
> The second way is to modify qplugin.h (QTDIR\src\corelib\plugin\qplugin.h)

Question to TT guys: could we have it fixed in Qt, and thus avoid patching?

>
> --- qplugin.h   2007-01-21 19:47:19.000000000 +0100
> +++ qplugin.orig.h      2007-01-21 20:09:31.000000000 +0100
> @@ -54,7 +54,7 @@
>
>  #define Q_PLUGIN_INSTANCE(IMPLEMENTATION) \
>         { \
> -            static QPointer< IMPLEMENTATION > _instance; \
> +            static QPointer<IMPLEMENTATION> _instance; \
>              if (!_instance)      \
>                       _instance = new IMPLEMENTATION; \
>              return _instance; \
>
> Maybe it can be handled by windbus\QtDBus-win32.patch. Or?
>
> Happy compiling :)

-- 
regards / pozdrawiam, Jaroslaw Staniek
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