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- /* Declare the class Object for Objective C programs.
- Copyright (C) 1992 Free Software Foundation, Inc.
-
- This file is part of GNU CC.
-
- GNU CC 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 2, or (at your option)
- any later version.
-
- GNU CC 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 GNU CC; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* As a special exception, if you link this library with files
- compiled with GCC to produce an executable, this does not cause
- the resulting executable to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
-
- #ifndef __object_INCLUDE_GNU
- #define __object_INCLUDE_GNU
-
- #include "objc.h"
- #include "stdio.h"
-
-
- /*
- * All classes are derived from Object. As such this is the
- * overhead tacked onto those objects.
- */
- @interface Object {
- Class_t isa; /* A pointer to the instance's
- class structure.
-
- This structure is the one
- generated by the compiler
- and located in the TEXT
- segment. The run-time uses
- its address as a key to
- run-time information. */
- }
-
- /* Creating, copying, and freeing instances */
-
- + new;
- + free;
- - free;
- - copy;
- - shallowCopy;
- - deepCopy;
-
- /* Identifying classes */
-
- + ( Class_t )class;
- + ( Class_t )superClass;
- - ( Class_t )class;
- - ( Class_t )superClass;
- - ( const char* )name;
-
- /* Identifying and comparing instances */
-
- - self;
- - ( unsigned int )hash;
- - ( BOOL )isEqual:anObject;
-
- /* Testing inheritance relationships */
-
- - ( BOOL )isKindOf:( Class_t )aClassObject;
- - ( BOOL )isMemberOf:( Class_t )aClassObject;
- - ( BOOL )isKindOfGivenName:( const char* )aClassName;
- - ( BOOL )isMemberOfGivenName:( const char* )aClassName;
-
- /* Testing class functionality */
-
- + ( BOOL )instancesRespondTo:( SEL )aSel;
- - ( BOOL )respondsTo:( SEL )aSel;
-
- /* Sending messages determined at run time */
-
- - perform:( SEL )aSel;
- - perform:( SEL )aSel with:aObject;
-
- /* Posing */
-
- + poseAs:( Class_t )aClassObject;
-
- /* Enforcing intentions */
-
- - subclassResponsibility:( SEL )aSel;
- - notImplemented:( SEL )aSel;
-
- /* Error handling */
-
- - doesNotRecognize:(SEL)aSelector;
- - error:( const char* )aString, ...;
- + error:( const char* )aString, ...;
-
- /* Archiving */
-
- - storeOn:( int )aFd;
- + readFrom:( int )aFd;
- - readFrom:( int )aFd;
- + ( int )version;
- + setVersion:( int )aVersion;
-
- @end
-
-
- #endif
-
-