runtime/Protocol.h

   1 /*
   2  * Copyright (c) 1999-2003, 2006-2007 Apple Inc.  All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24         Protocol.h
  25         Copyright 1991-1996 NeXT Software, Inc.
  26 */
  27
  28 #ifndef _OBJC_PROTOCOL_H_
  29 #define _OBJC_PROTOCOL_H_
  30
  31 #if __OBJC2__
  32
  33 #include <objc/NSObject.h>
  34
  35 // All methods of class Protocol are unavailable.
  36 // Use the functions in objc/runtime.h instead.
  37
  38 __OSX_AVAILABLE_STARTING(__MAC_10_0, __IPHONE_2_0)
  39 @interface Protocol : NSObject
  40 @end
  41
  42 #else
  43
  44 #include <objc/Object.h>
  45
  46 __OSX_AVAILABLE_STARTING(__MAC_10_0, __IPHONE_2_0)
  47 @interface Protocol : Object
  48 {
  49 @private
  50     char *protocol_name OBJC2_UNAVAILABLE;
  51     struct objc_protocol_list *protocol_list OBJC2_UNAVAILABLE;
  52     struct objc_method_description_list *instance_methods OBJC2_UNAVAILABLE;
  53     struct objc_method_description_list *class_methods OBJC2_UNAVAILABLE;
  54 }
  55
  56 /* Obtaining attributes intrinsic to the protocol */
  57
  58 - (const char *)name OBJC2_UNAVAILABLE;
  59
  60 /* Testing protocol conformance */
  61
  62 - (BOOL) conformsTo: (Protocol *)aProtocolObject OBJC2_UNAVAILABLE;
  63
  64 /* Looking up information specific to a protocol */
  65
  66 - (struct objc_method_description *) descriptionForInstanceMethod:(SEL)aSel
  67     __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0,__MAC_10_5, __IPHONE_2_0,__IPHONE_2_0);
  68 - (struct objc_method_description *) descriptionForClassMethod:(SEL)aSel
  69     __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0,__MAC_10_5, __IPHONE_2_0,__IPHONE_2_0);
  70
  71 @end
  72
  73 #endif
  74
  75 #endif /* _OBJC_PROTOCOL_H_ */