#include "Protocol.h" struct obj_protocol_list { struct obj_protocol_list *next; integer count; Protocol *list[1]; }; struct obj_method_description_list { integer count; struct obj_method_description list[1]; }; @implementation Protocol - (string) name { return protocol_name; } - (BOOL) conformsTo: (Protocol *)aProtocolObject { local integer i; local struct obj_protocol_list *proto_list; if (aProtocolObject.protocol_name == protocol_name) return YES; for (proto_list = protocol_list; proto_list; proto_list = proto_list.next) { for (i = 0; i < proto_list.count; i++) { if ([proto_list.list[i] conformsTo: aProtocolObject]) return YES; } } return NO; } - (struct obj_method_description *) descriptionForInstanceMethod: (SEL)aSel { local integer i; local struct obj_protocol_list *proto_list; local string name = sel_get_name (aSel); local struct obj_method_description *result; for (i = 0; i < instance_methods.count; i++) { if (instance_methods.list[i].name == name) return &instance_methods.list[i]; } for (proto_list = protocol_list; proto_list; proto_list = proto_list.next) { for (i = 0; i < proto_list.count; i++) { if ((result = [proto_list.list[i] descriptionForInstanceMethod: aSel])) return result; } } return nil; } - (struct obj_method_description *) descriptionForClassMethod: (SEL)aSel { local integer i; local struct obj_protocol_list *proto_list; local string name = sel_get_name (aSel); local struct obj_method_description *result; for (i = 0; i < class_methods.count; i++) { if (class_methods.list[i].name == name) return &class_methods.list[i]; } for (proto_list = protocol_list; proto_list; proto_list = proto_list.next) { for (i = 0; i < proto_list.count; i++) { if ((result = [proto_list.list[i] descriptionForClassMethod: aSel])) return result; } } return nil; } @end