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- /*
- ** ObjectiveAmiga: Implementation of class Protocol
- ** See GNU:lib/libobjam/ReadMe for details
- */
-
-
- #include <objc/Protocol.h>
- #include <objc/objc-api.h>
-
- /* Method description list */
- struct objc_method_description_list {
- int count;
- struct objc_method_description list[1];
- };
-
-
- @implementation Protocol
- {
- @private
- char *protocol_name;
- struct objc_protocol_list *protocol_list;
- struct objc_method_description_list *instance_methods, *class_methods;
- }
-
- /* Obtaining attributes intrinsic to the protocol */
-
- - (const char *)name
- {
- return protocol_name;
- }
-
- /* Testing protocol conformance */
-
- - (BOOL) conformsTo: (Protocol *)aProtocolObject
- {
- int i;
- struct objc_protocol_list* proto_list;
-
- if (!strcmp(aProtocolObject->protocol_name, self->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;
- }
-
- /* Looking up information specific to a protocol */
-
- - (struct objc_method_description *) descriptionForInstanceMethod:(SEL)aSel
- {
- int i;
- struct objc_protocol_list* proto_list;
- const char* name = sel_get_name (aSel);
- struct objc_method_description *result;
-
- for (i = 0; i < instance_methods->count; i++)
- {
- if (!strcmp ((char*)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 NULL;
- }
-
- - (struct objc_method_description *) descriptionForClassMethod:(SEL)aSel;
- {
- int i;
- struct objc_protocol_list* proto_list;
- const char* name = sel_get_name (aSel);
- struct objc_method_description *result;
-
- for (i = 0; i < class_methods->count; i++)
- {
- if (!strcmp ((char*)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 NULL;
- }
-
- @end
-