153 lines
4.1 KiB
Objective-C
153 lines
4.1 KiB
Objective-C
/* Interface for the Object class for Objective-C.
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Copyright (C) 1993 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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GNU CC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* As a special exception, if you link this library with files compiled
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with GCC to produce an executable, this does not cause the resulting
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executable to be covered by the GNU General Public License. This
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exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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#ifndef __object_INCLUDE_GNU
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#define __object_INCLUDE_GNU
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#ifndef __objc_INCLUDE_GNU
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/* This is the minimal set of definitions, which may be sufficient
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for simple programs not interacting heavily with the runtime */
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typedef char BOOL;
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#define YES (BOOL)1
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#define NO (BOOL)0
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typedef void* SEL;
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typedef struct objc_object {
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struct objc_class* class_pointer;
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} *id;
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typedef id (*IMP)(id, SEL, ...);
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typedef struct objc_class Class;
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typedef struct objc_class MetaClass;
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#define nil (id)0 /* id of Nil instance */
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#define Nil (Class*)0 /* id of Nil class */
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typedef char *STR; /* String alias */
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@class Protocol;
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typedef struct objc_typed_stream TypedStream;
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#endif /* not __objc_INCLUDE_GNU */
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#ifndef __AF_FRAME
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typedef struct __gnuc_af_frame *af_frame;
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#define __AF_FRAME
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#endif
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/*
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* All classes are derived from Object. As such,
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* this is the overhead tacked onto those objects.
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*/
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@interface Object
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{
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Class* isa; /* A pointer to the instance's class structure */
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}
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/* Initializing classes and instances */
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+ initialize;
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- init;
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/* Creating, freeing, and copying instances */
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+ new;
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+ alloc;
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- free;
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- copy;
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- shallowCopy;
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- deepen;
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- deepCopy;
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/* Identifying classes */
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- (Class*)class;
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- (Class*)superClass;
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- (MetaClass*)metaClass;
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- (const char *)name;
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/* Identifying and comparing objects */
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- self;
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- (unsigned int)hash;
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- (BOOL)isEqual:anObject;
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/* Testing object type */
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- (BOOL)isMetaClass;
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- (BOOL)isClass;
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- (BOOL)isInstance;
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/* Testing inheritance relationships */
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- (BOOL)isKindOf:(Class*)aClassObject;
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- (BOOL)isMemberOf:(Class*)aClassObject;
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- (BOOL)isKindOfClassNamed:(const char *)aClassName;
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- (BOOL)isMemberOfClassNamed:(const char *)aClassName;
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/* Testing class functionality */
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+ (BOOL)instancesRespondTo:(SEL)aSel;
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- (BOOL)respondsTo:(SEL)aSel;
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/* Testing protocol conformance */
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- (BOOL)conformsTo:(Protocol*)aProtocol;
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/* Introspection */
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+ (IMP)instanceMethodFor:(SEL)aSel;
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- (IMP)methodFor:(SEL)aSel;
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+ (struct objc_method_description *)descriptionForInstanceMethod:(SEL)aSel;
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- (struct objc_method_description *)descriptionForMethod:(SEL)aSel;
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/* Sending messages determined at run time */
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- perform:(SEL)aSel;
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- perform:(SEL)aSel with:anObject;
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- perform:(SEL)aSel with:anObject1 with:anObject2;
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/* Forwarding */
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- forward:(SEL)aSel :(af_frame)argFrame;
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- performv:(SEL)aSel :(af_frame)argFrame;
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/* Posing */
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+ poseAs:(Class*)aClassObject;
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- (Class*)transmuteClassTo:(Class*)aClassObject;
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/* Enforcing intentions */
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- subclassResponsibility:(SEL)aSel;
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- notImplemented:(SEL)aSel;
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/* Error handling */
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- doesNotRecognize:(SEL)aSel;
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- error:(const char *)aString, ...;
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/* Archiving */
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+ (int)version;
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+ setVersion:(int)aVersion;
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+ (int)streamVersion: (TypedStream*)aStream;
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- read: (TypedStream*)aStream;
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- write: (TypedStream*)aStream;
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- awake;
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@end
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#endif
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