[apple/objc4.git] / runtime / objc.h

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 *	objc.h
 *	Copyright 1988-1996, NeXT Software, Inc.
 */

#ifndef _OBJC_OBJC_H_
#define _OBJC_OBJC_H_

#import <objc/objc-api.h>		// for OBJC_EXPORT

typedef struct objc_class *Class;

typedef struct objc_object {
	Class isa;
} *id;

typedef struct objc_selector 	*SEL;    
typedef id 			(*IMP)(id, SEL, ...); 
typedef signed char		BOOL; 
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C" 
// even if -funsigned-char is used.


#define YES             (BOOL)1
#define NO              (BOOL)0

#ifndef Nil
#define Nil 0		/* id of Nil class */
#endif

#ifndef nil
#define nil 0		/* id of Nil instance */
#endif


#if !defined(STRICT_OPENSTEP)

typedef char *STR;

OBJC_EXPORT BOOL sel_isMapped(SEL sel);
OBJC_EXPORT const char *sel_getName(SEL sel);
OBJC_EXPORT SEL sel_getUid(const char *str);
OBJC_EXPORT SEL sel_registerName(const char *str);
OBJC_EXPORT const char *object_getClassName(id obj);
OBJC_EXPORT void *object_getIndexedIvars(id obj);

#define ISSELECTOR(sel) sel_isMapped(sel)
#define SELNAME(sel)	sel_getName(sel)
#define SELUID(str)	sel_getUid(str)
#define NAMEOF(obj)     object_getClassName(obj)
#define IV(obj)         object_getIndexedIvars(obj)

#if defined(__osf__) && defined(__alpha__)
    typedef long arith_t;
    typedef unsigned long uarith_t;
#   define ARITH_SHIFT 32
#else
    typedef int arith_t;
    typedef unsigned uarith_t;
#   define ARITH_SHIFT 16
#endif

#endif	/* !STRICT_OPENSTEP */

#endif /* _OBJC_OBJC_H_ */
Commit	Line	Data
13d88034 A	1	/*
	2	* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
390d5862 A	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
	7	*
	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
13d88034 A	14	*
13d88034 A	15	* The Original Code and all software distributed under the License are
390d5862	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
13d88034 A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
13d88034 A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
390d5862 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
13d88034 A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* objc.h
	27	* Copyright 1988-1996, NeXT Software, Inc.
	28	*/
	29
	30	#ifndef _OBJC_OBJC_H_
	31	#define _OBJC_OBJC_H_
	32
	33	#import <objc/objc-api.h> // for OBJC_EXPORT
	34
	35	typedef struct objc_class *Class;
	36
	37	typedef struct objc_object {
	38	Class isa;
	39	} *id;
	40
	41	typedef struct objc_selector *SEL;
	42	typedef id (*IMP)(id, SEL, ...);
390d5862 A	43	typedef signed char BOOL;
	44	// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
	45	// even if -funsigned-char is used.
	46
13d88034 A	47
	48	#define YES (BOOL)1
	49	#define NO (BOOL)0
	50
	51	#ifndef Nil
	52	#define Nil 0 /* id of Nil class */
	53	#endif
	54
	55	#ifndef nil
	56	#define nil 0 /* id of Nil instance */
	57	#endif
	58
	59
	60	#if !defined(STRICT_OPENSTEP)
	61
	62	typedef char *STR;
	63
	64	OBJC_EXPORT BOOL sel_isMapped(SEL sel);
	65	OBJC_EXPORT const char *sel_getName(SEL sel);
	66	OBJC_EXPORT SEL sel_getUid(const char *str);
	67	OBJC_EXPORT SEL sel_registerName(const char *str);
	68	OBJC_EXPORT const char *object_getClassName(id obj);
	69	OBJC_EXPORT void *object_getIndexedIvars(id obj);
	70
	71	#define ISSELECTOR(sel) sel_isMapped(sel)
	72	#define SELNAME(sel) sel_getName(sel)
	73	#define SELUID(str) sel_getUid(str)
	74	#define NAMEOF(obj) object_getClassName(obj)
	75	#define IV(obj) object_getIndexedIvars(obj)
	76
	77	#if defined(__osf__) && defined(__alpha__)
	78	typedef long arith_t;
	79	typedef unsigned long uarith_t;
390d5862	80	# define ARITH_SHIFT 32
13d88034 A	81	#else
	82	typedef int arith_t;
	83	typedef unsigned uarith_t;
390d5862	84	# define ARITH_SHIFT 16
13d88034 A	85	#endif
	86
	87	#endif /* !STRICT_OPENSTEP */
	88
	89	#endif /* _OBJC_OBJC_H_ */