@BeeHiveService 前面的@ 可以理解调用宏定义吗

@BeeHiveService(UserTrackServiceProtocol,BHUserTrackViewController)


#define BeeHiveService(servicename,impl) \
class BeeHive; char * k##servicename##_service BeeHiveDATA(BeehiveServices) = "{ \""#servicename"\" : \""#impl"\"}";