Mercurial > hg > CbC > CbC_gcc
view libobjc/objc/Object.h @ 157:dafe684d005c
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:08:54 +0900 |
parents | 1830386684a0 |
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/* Interface for the Object class for Objective-C. Copyright (C) 1993-2020 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