libobjc/objc/Protocol.h

   1 /* Declare the class Protocol for Objective C programs.
   2    Copyright (C) 1993 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC 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 GNU CC 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 GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, 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 "objc/Object.h"
  31
  32 @interface Protocol : Object
  33 {
  34 @private
  35         char *protocol_name;
  36         struct objc_protocol_list *protocol_list;
  37         struct objc_method_description_list *instance_methods, *class_methods;
  38 }
  39
  40 /* Obtaining attributes intrinsic to the protocol */
  41
  42 - (const char *)name;
  43
  44 /* Testing protocol conformance */
  45
  46 - (BOOL) conformsTo: (Protocol *)aProtocolObject;
  47
  48 /* Looking up information specific to a protocol */
  49
  50 - (struct objc_method_description *) descriptionForInstanceMethod:(SEL)aSel;
  51 - (struct objc_method_description *) descriptionForClassMethod:(SEL)aSel;
  52
  53 @end
  54
  55
  56
  57
  58 #endif /* not __Protocol_INCLUDE_GNU */