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/* Wrapper around <objc/runtime.h>

   Copyright (C) 2011 Free Software Foundation, Inc.

   Contributed by Nicola Pero

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3, or (at your option)

any later version.

GCC is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

#ifndef _TESTSUITE_RUNTIME_H_

#define _TESTSUITE_RUNTIME_H_

/* Include this file where you'd normally include <objc/runtime.h>.

   Older versions of the NeXT runtime do not have <objc/runtime.h> and

   you need to include <objc/objc-runtime.h> instead.  This file takes

   care of figuring out if that's the case.  */

#ifndef __NEXT_RUNTIME__

/*

  GNU Objective-C runtime (libobjc).

*/

# include <objc/runtime.h>

#else

/*

  NeXT Objective-C runtime.

*/

/* Include next-abi.h to determine which version of the runtime we are

   dealing with.  TODO: If this is the only place including it, maybe

   it could be copied here ?  */

# include "next-abi.h"

# ifdef NEXT_OBJC_USE_NEW_INTERFACE

/* New NeXT runtime, with an API that should be basically identical to

   the GNU Objective-C one.  */

#  include <objc/runtime.h>

# else

/* Old NeXT runtime, with an API similar, but not identical to the new

   one.  To start with, different headers need to be included.  */

#  include <objc/objc-class.h>

#  include <objc/objc-runtime.h>

/* Not all functions are available in the old NeXT runtime.  A few

   that we need are not, and here we provide an implementation on top

   of the old NeXT API.  */

#  define class_isMetaClass(C) (CLS_GETINFO((struct objc_class *)C, CLS_META)? YES: NO)

#  define class_getName(C) object_getClassName(C)

#  define class_getSuperclass(C)  (((struct objc_class *)C)->super_class)

#  define method_getImplementation(M) (((Method)M)->method_imp)

#  define method_getTypeEncoding(M) (((Method)M)->method_types)

#  define object_getClass(O) (*(struct objc_class **)O)

#include <objc/Protocol.h>

BOOL class_conformsToProtocol (Class class_, Protocol *protocol)

{

  struct objc_protocol_list *p;

  int i;

  for (p = class_->protocols; p; p = p->next)

    for (i = 0; i < p->count; i++)

      if ([p->list[i] conformsTo: protocol])

        return YES;

  return NO;

}

#define protocol_getName(P) [P name]

#define protocol_isEqual(P,Q) [P isEqual: Q]

struct objc_method_description protocol_getMethodDescription (Protocol *protocol,

                                                              SEL selector,

                                                              BOOL requiredMethod,

                                                              BOOL instanceMethod)

{

  struct objc_method_description *tmp;

  struct objc_method_description result;

  if (instanceMethod)

    tmp = [protocol descriptionForInstanceMethod: selector];

  else

    tmp = [protocol descriptionForClassMethod: selector];

  if (tmp)

    result = *tmp;

  else

    {

      result.name = (SEL)0;

      result.types = (char *)0;

    }

  return result;

}

#  endif /* NEXT_OBJC_USE_NEW_INTERFACE */

# endif /* __NEXT_RUNTIME__ */

#endif /* _TESTSUITE_RUNTIME_H_ */