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 !__OBJC__
  32
  33 // typedef Protocol is here:
  34 #include <objc/runtime.h>
  35
  36
  37 #elif __OBJC2__
  38
  39 #include <objc/NSObject.h>
  40
  41 // All methods of class Protocol are unavailable.
  42 // Use the functions in objc/runtime.h instead.
  43
  44 OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0)
  45 @interface Protocol : NSObject
  46 @end
  47
  48
  49 #else
  50
  51 #include <objc/Object.h>
  52
  53 OBJC_AVAILABLE(10.0, 2.0, 9.0, 1.0)
  54 @interface Protocol : Object
  55 {
  56 @private
  57     char *protocol_name OBJC2_UNAVAILABLE;
  58     struct objc_protocol_list *protocol_list OBJC2_UNAVAILABLE;
  59     struct objc_method_description_list *instance_methods OBJC2_UNAVAILABLE;
  60     struct objc_method_description_list *class_methods OBJC2_UNAVAILABLE;
  61 }
  62
  63 /* Obtaining attributes intrinsic to the protocol */
  64
  65 - (const char *)name OBJC2_UNAVAILABLE;
  66
  67 /* Testing protocol conformance */
  68
  69 - (BOOL) conformsTo: (Protocol *)aProtocolObject OBJC2_UNAVAILABLE;
  70
  71 /* Looking up information specific to a protocol */
  72
  73 - (struct objc_method_description *) descriptionForInstanceMethod:(SEL)aSel
  74     __OSX_DEPRECATED(10.0, 10.5, "use protocol_getMethodDescription instead")
  75     __IOS_DEPRECATED(2.0, 2.0, "use protocol_getMethodDescription instead")
  76     __TVOS_DEPRECATED(9.0, 9.0, "use protocol_getMethodDescription instead")
  77     __WATCHOS_DEPRECATED(1.0, 1.0, "use protocol_getMethodDescription instead");
  78 - (struct objc_method_description *) descriptionForClassMethod:(SEL)aSel
  79     __OSX_DEPRECATED(10.0, 10.5, "use protocol_getMethodDescription instead")
  80     __IOS_DEPRECATED(2.0, 2.0, "use protocol_getMethodDescription instead")
  81     __TVOS_DEPRECATED(9.0, 9.0, "use protocol_getMethodDescription instead")
  82     __WATCHOS_DEPRECATED(1.0, 1.0, "use protocol_getMethodDescription instead");
  83
  84 @end
  85
  86 #endif
  87
  88 #endif /* _OBJC_PROTOCOL_H_ */