1 /* Interface for the Object class for Objective-C.
2 Copyright (C) 1993, 1994, 1995, 2009 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 3, or (at your option) any
11 GCC is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14 License for more details.
16 Under Section 7 of GPL version 3, you are granted additional
17 permissions described in the GCC Runtime Library Exception, version
18 3.1, as published by the Free Software Foundation.
20 You should have received a copy of the GNU General Public License and
21 a copy of the GCC Runtime Library Exception along with this program;
22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 <http://www.gnu.org/licenses/>. */
26 #ifndef __object_INCLUDE_GNU
27 #define __object_INCLUDE_GNU
30 #include "typedstream.h"
37 * All classes are derived from Object. As such,
38 * this is the overhead tacked onto those objects.
42 Class isa; /* A pointer to the instance's class structure */
45 /* Initializing classes and instances */
49 /* Creating, freeing, and copying instances */
58 /* Identifying classes */
61 - (MetaClass)metaClass;
64 /* Identifying and comparing objects */
67 - (BOOL)isEqual:anObject;
68 - (int)compare:(id)anotherObject;
70 /* Testing object type */
75 /* Testing inheritance relationships */
76 - (BOOL)isKindOf:(Class)aClassObject;
77 - (BOOL)isMemberOf:(Class)aClassObject;
78 - (BOOL)isKindOfClassNamed:(const char *)aClassName;
79 - (BOOL)isMemberOfClassNamed:(const char *)aClassName;
81 /* Testing class functionality */
82 + (BOOL)instancesRespondTo:(SEL)aSel;
83 - (BOOL)respondsTo:(SEL)aSel;
85 /* Testing protocol conformance */
86 - (BOOL)conformsTo:(Protocol*)aProtocol;
89 + (IMP)instanceMethodFor:(SEL)aSel;
90 - (IMP)methodFor:(SEL)aSel;
91 + (struct objc_method_description *)descriptionForInstanceMethod:(SEL)aSel;
92 - (struct objc_method_description *)descriptionForMethod:(SEL)aSel;
94 /* Sending messages determined at run time */
96 - perform:(SEL)aSel with:anObject;
97 - perform:(SEL)aSel with:anObject1 with:anObject2;
100 - (retval_t)forward:(SEL)aSel :(arglist_t)argFrame;
101 - (retval_t)performv:(SEL)aSel :(arglist_t)argFrame;
104 + poseAs:(Class)aClassObject;
105 - (Class)transmuteClassTo:(Class)aClassObject;
107 /* Enforcing intentions */
108 - subclassResponsibility:(SEL)aSel;
109 - notImplemented:(SEL)aSel;
110 - shouldNotImplement:(SEL)aSel;
113 - doesNotRecognize:(SEL)aSel;
114 - error:(const char *)aString, ...;
118 + setVersion:(int)aVersion;
119 + (int)streamVersion: (TypedStream*)aStream;
121 - read: (TypedStream*)aStream;
122 - write: (TypedStream*)aStream;