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/* Interface for the Object class for Objective-C.

   Copyright (C) 1993, 1994, 1995, 2009, 2010 Free Software Foundation, Inc.

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.

Under Section 7 of GPL version 3, you are granted additional

permissions described in the GCC Runtime Library Exception, version

3.1, as published by the Free Software Foundation.

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

a copy of the GCC Runtime Library Exception along with this program;

see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

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

#ifndef __object_INCLUDE_GNU

#define __object_INCLUDE_GNU

#include "objc.h"

#ifdef __cplusplus

extern "C" {

#endif

/* The Object class is a very minimal root class included with the

   runtime.  It is used as superclass for the two classes included

   with the runtime, Protocol and NXConstantString.

   Because Objective-C allows multiple root classes, you can define

   your own root class, different from Object.

   In particular, a Foundation library (such as GNUstep Base) is

   expected to provide its own root class (typically called NSObject),

   fully integrated with the library's own high-level features.  It is

   expected that you should always use and interact with NSObject, and

   mostly ignore Object.  */

/* All classes are derived from Object.  As such, this is the overhead

   tacked onto those objects.  */

@interface Object

{

  Class isa; /* A pointer to the instance's class structure.  */

}

- (Class)class;

- (BOOL)isEqual: (id)anObject;

@end

#ifdef __cplusplus

}

#endif

#endif