gcc/testsuite/objc-obj-c++-shared/runtime.h

   1 /* Wrapper around <objc/runtime.h>
   2    Copyright (C) 2011 Free Software Foundation, Inc.
   3    Contributed by Nicola Pero
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef _TESTSUITE_RUNTIME_H_
  22 #define _TESTSUITE_RUNTIME_H_
  23
  24 /* Include this file where you'd normally include <objc/runtime.h>.
  25
  26    Older versions of the NeXT runtime do not have <objc/runtime.h> and
  27    you need to include <objc/objc-runtime.h> instead.  This file takes
  28    care of figuring out if that's the case.  */
  29
  30 #ifndef __NEXT_RUNTIME__
  31
  32 /*
  33   GNU Objective-C runtime (libobjc).
  34 */
  35 # include <objc/runtime.h>
  36
  37 #else
  38
  39 /*
  40   NeXT Objective-C runtime.
  41 */
  42
  43 /* Include next-abi.h to determine which version of the runtime we are
  44    dealing with.  TODO: If this is the only place including it, maybe
  45    it could be copied here ?  */
  46 # include "next-abi.h"
  47
  48 # ifdef NEXT_OBJC_USE_NEW_INTERFACE
  49
  50 /* New NeXT runtime, with an API that should be basically identical to
  51    the GNU Objective-C one.  */
  52 #  include <objc/runtime.h>
  53
  54 # else
  55
  56 /* Old NeXT runtime, with an API similar, but not identical to the new
  57    one.  To start with, different headers need to be included.  */
  58 #  include <objc/objc-class.h>
  59 #  include <objc/objc-runtime.h>
  60
  61 /* Not all functions are available in the old NeXT runtime.  A few
  62    that we need are not, and here we provide an implementation on top
  63    of the old NeXT API.  */
  64
  65 #  define class_isMetaClass(C) (CLS_GETINFO((struct objc_class *)C, CLS_META)? YES: NO)
  66 #  define class_getName(C) object_getClassName(C)
  67 #  define class_getSuperclass(C)  (((struct objc_class *)C)->super_class)
  68 #  define method_getImplementation(M) (((Method)M)->method_imp)
  69 #  define method_getTypeEncoding(M) (((Method)M)->method_types)
  70 #  define object_getClass(O) (*(struct objc_class **)O)
  71
  72 #include <objc/Protocol.h>
  73 BOOL class_conformsToProtocol (Class class_, Protocol *protocol)
  74 {
  75   struct objc_protocol_list *p;
  76   int i;
  77   for (p = class_->protocols; p; p = p->next)
  78     for (i = 0; i < p->count; i++)
  79       if ([p->list[i] conformsTo: protocol])
  80         return YES;
  81   return NO;
  82 }
  83
  84 #define protocol_getName(P) [P name]
  85 #define protocol_isEqual(P,Q) [P isEqual: Q]
  86
  87 struct objc_method_description protocol_getMethodDescription (Protocol *protocol,
  88                                                               SEL selector,
  89                                                               BOOL requiredMethod,
  90                                                               BOOL instanceMethod)
  91 {
  92   struct objc_method_description *tmp;
  93   struct objc_method_description result;
  94
  95   if (instanceMethod)
  96     tmp = [protocol descriptionForInstanceMethod: selector];
  97   else
  98     tmp = [protocol descriptionForClassMethod: selector];
  99
 100   if (tmp)
 101     result = *tmp;
 102   else
 103     {
 104       result.name = (SEL)0;
 105       result.types = (char *)0;
 106     }
 107
 108   return result;
 109 }
 110
 111 #  endif /* NEXT_OBJC_USE_NEW_INTERFACE */
 112
 113 # endif /* __NEXT_RUNTIME__ */
 114
 115 #endif /* _TESTSUITE_RUNTIME_H_ */
 116