2011/12/11 Tal Hadad <tal...@hotmail.com> > > I've read how GObject define virtual methods, in the XClass struct, and > I'm afraid defining new virtual method can break ABI. Am I right? > Before: > struct _XClass > { > GObjectClass parent_class; > > /* stuff */ > void (*do_action) (X *self, /* parameters */); > }; > > After: > struct _XClass > { > > GObjectClass parent_class; > > > /* stuff */ > > > void (*another_action) (X *self, /* parameters */); > > void (*do_action) (X *self, /* parameters */); > > }; > > Can this case break ABI? > > Yes it does. What C programmers often do is adding unused vfuncs as padding for future extension of the class. From this perspective Vala could theoretically add some kind of padding to avoid abi breakage.
-- www.debian.org - The Universal Operating System
_______________________________________________ vala-list mailing list vala-list@gnome.org http://mail.gnome.org/mailman/listinfo/vala-list