/** * Method declaration/definition macro providing private and public interface. * * Defines a method name with this as first parameter and a return value ret * and an alias for this method with a _ prefix having the this argument * safely casted to the public interface iface. * _name is provided a function pointer but will get optimized out by GCC. */ #define METHOD(iface name ret this ...) \ static ret name(union {iface *_public; this;} \ __attribute__((transparent_union)) ##__VA_ARGS__); \ static typeof(name) *_##name = (typeof(name)*)name; \ static ret name(this ##__VA_ARGS__)
