libobjc/objc/Protocol.h

   1 /* Declare the class Protocol for Objective C programs.
   2    Copyright (C) 1993, 2004 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GCC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  19 Boston, MA 02110-1301, USA.  */
  20
  21 /* As a special exception, if you link this library with files
  22    compiled with GCC to produce an executable, this does not cause
  23    the resulting executable to be covered by the GNU General Public License.
  24    This exception does not however invalidate any other reasons why
  25    the executable file might be covered by the GNU General Public License.  */
  26
  27 #ifndef __Protocol_INCLUDE_GNU
  28 #define __Protocol_INCLUDE_GNU
  29
  30 #include "Object.h"
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 @interface Protocol : Object
  37 {
  38 @private
  39         char *protocol_name;
  40         struct objc_protocol_list *protocol_list;
  41         struct objc_method_description_list *instance_methods, *class_methods;
  42 }
  43
  44 /* Obtaining attributes intrinsic to the protocol */
  45
  46 - (const char *)name;
  47
  48 /* Testing protocol conformance */
  49
  50 - (BOOL) conformsTo: (Protocol *)aProtocolObject;
  51
  52 /* Looking up information specific to a protocol */
  53
  54 - (struct objc_method_description *) descriptionForInstanceMethod:(SEL)aSel;
  55 - (struct objc_method_description *) descriptionForClassMethod:(SEL)aSel;
  56
  57 @end
  58
  59 #ifdef __cplusplus
  60 }
  61 #endif
  62
  63 #endif /* not __Protocol_INCLUDE_GNU */