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46 lines
1.2 KiB
Objective-C

#include "objc/runtime.h"
#include "protocol.h"
#include "class.h"
#include <stdio.h>
#include <string.h>
@implementation Protocol
// FIXME: This needs removing, but it's included for now because GNUstep's
// implementation of +[NSObject conformsToProtocol:] calls it.
- (BOOL)conformsTo: (Protocol*)p
{
return protocol_conformsToProtocol(self, p);
}
- (id)retain
{
return self;
}
- (void)release {}
+ (Class)class { return self; }
- (id)self { return self; }
@end
@interface __IncompleteProtocol : Protocol @end
@implementation __IncompleteProtocol @end
/**
* This class exists for the sole reason that the legacy GNU ABI did not
* provide a way of registering protocols with the runtime. With the new ABI,
* every protocol in a compilation unit that is not referenced should be added
* in a category on this class. This ensures that the runtime sees every
* protocol at least once and can perform uniquing.
*/
@interface __ObjC_Protocol_Holder_Ugly_Hack { id isa; } @end
@implementation __ObjC_Protocol_Holder_Ugly_Hack @end
@implementation Object @end
@implementation ProtocolGCC @end
@implementation ProtocolGSv1 @end
PRIVATE void link_protocol_classes(void)
{
[Protocol class];
[ProtocolGCC class];
[ProtocolGSv1 class];
}