-/*
- * 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-runtime.h
- * Copyright 1988-1996, NeXT Software, Inc.
- */
-
-#ifndef _OBJC_RUNTIME_H_
-#define _OBJC_RUNTIME_H_
-
-#import <stdarg.h>
-#import <AvailabilityMacros.h>
-#import <objc/objc.h>
-#import <objc/objc-class.h>
-
-#if !defined(AVAILABLE_MAC_OS_X_VERSION_10_3_AND_LATER)
- /* For 10.2 compatibility */
-# define AVAILABLE_MAC_OS_X_VERSION_10_3_AND_LATER
-#endif
-
-typedef struct objc_symtab *Symtab;
-
-struct objc_symtab {
- unsigned long sel_ref_cnt;
- SEL *refs;
- unsigned short cls_def_cnt;
- unsigned short cat_def_cnt;
- void *defs[1]; /* variable size */
-};
-
-typedef struct objc_module *Module;
-
-struct objc_module {
- unsigned long version;
- unsigned long size;
- const char *name;
- Symtab symtab;
-};
-
-struct objc_super {
- id receiver;
-#ifndef __cplusplus
- Class class;
-#else
- Class super_class;
-#endif
-};
-
-/*
- * Messaging Primitives (prototypes)
- */
-
-OBJC_EXPORT id objc_getClass(const char *name);
-OBJC_EXPORT id objc_getMetaClass(const char *name);
-OBJC_EXPORT id objc_msgSend(id self, SEL op, ...);
-OBJC_EXPORT id objc_msgSendSuper(struct objc_super *super, SEL op, ...);
-
-
-/* Floating-point-returning Messaging Primitives (prototypes)
- *
- * On some platforms, the ABI for functions returning a floating-point
- * value is incompatible with that for functions returning an integral type.
- * objc_msgSend_fpret must be used for these.
- *
- * ppc: objc_msgSend_fpret not used
- * ppc64: objc_msgSend_fpret not used
- * i386: objc_msgSend_fpret REQUIRED
- *
- * For `float` or `long double` return types, cast the function
- * to an appropriate function pointer type first.
- */
-
-#ifdef __i386__
-OBJC_EXPORT double objc_msgSend_fpret(id self, SEL op, ...);
-#endif
-
-
-/* Struct-returning Messaging Primitives (prototypes)
- *
- * For historical reasons, the prototypes for the struct-returning
- * messengers are unusual. The portable, correct way to call these functions
- * is to cast them to your desired return type first.
- *
- * For example, `NSRect result = [myNSView frame]` could be written as:
- * NSRect (*msgSend_stret_fn)(id, SEL, ...) = (NSRect(*)(id, SEL, ...))objc_msgSend_stret;
- * NSRect result = (*msgSend_stret_fn)(myNSView, @selector(frame));
- * or, without the function pointer:
- * NSRect result = (*(NSRect(*)(id, SEL, ...))objc_msgSend_stret)(myNSView, @selector(frame));
- *
- * BE WARNED that these prototypes have changed in the past and will change
- * in the future. Code that uses a cast like the example above will be
- * unaffected.
- */
-
-#if defined(__cplusplus)
- OBJC_EXPORT id objc_msgSend_stret(id self, SEL op, ...);
- OBJC_EXPORT id objc_msgSendSuper_stret(struct objc_super *super, SEL op, ...);
-#else
- OBJC_EXPORT void objc_msgSend_stret(void * stretAddr, id self, SEL op, ...);
- OBJC_EXPORT void objc_msgSendSuper_stret(void * stretAddr, struct objc_super *super, SEL op, ...);
-#endif
-
-
-/* Forwarding */
-
-OBJC_EXPORT id objc_msgSendv(id self, SEL op, unsigned arg_size, marg_list arg_frame);
-OBJC_EXPORT void objc_msgSendv_stret(void * stretAddr, id self, SEL op, unsigned arg_size, marg_list arg_frame);
-
-/*
- getting all the classes in the application...
-
- int objc_getClassList(buffer, bufferLen)
- classes is an array of Class values (which are pointers)
- which will be filled by the function; if this
- argument is NULL, no copying is done, only the
- return value is returned
- bufferLen is the number of Class values the given buffer
- can hold; if the buffer is not large enough to
- hold all the classes, the buffer is filled to
- the indicated capacity with some arbitrary subset
- of the known classes, which could be different
- from call to call
- returns the number of classes, which is the number put
- in the buffer if the buffer was large enough,
- or the length the buffer should have been
-
- int numClasses = 0, newNumClasses = objc_getClassList(NULL, 0);
- Class *classes = NULL;
- while (numClasses < newNumClasses) {
- numClasses = newNumClasses;
- classes = realloc(classes, sizeof(Class) * numClasses);
- newNumClasses = objc_getClassList(classes, numClasses);
- }
- // now, can use the classes list; if NULL, there are no classes
- free(classes);
-
-*/
-OBJC_EXPORT int objc_getClassList(Class *buffer, int bufferLen);
-
-#define OBSOLETE_OBJC_GETCLASSES 1
-#if OBSOLETE_OBJC_GETCLASSES
-OBJC_EXPORT void *objc_getClasses(void);
-#endif
-
-OBJC_EXPORT id objc_lookUpClass(const char *name);
-OBJC_EXPORT id objc_getRequiredClass(const char *name);
-OBJC_EXPORT void objc_addClass(Class myClass);
-
-/* customizing the error handling for objc_getClass/objc_getMetaClass */
-
-OBJC_EXPORT void objc_setClassHandler(int (*)(const char *));
-
-/* Making the Objective-C runtime thread safe. */
-OBJC_EXPORT void objc_setMultithreaded (BOOL flag);
-
-/* overriding the default object allocation and error handling routines */
-
-OBJC_EXPORT id (*_alloc)(Class, unsigned int);
-OBJC_EXPORT id (*_copy)(id, unsigned int);
-OBJC_EXPORT id (*_realloc)(id, unsigned int);
-OBJC_EXPORT id (*_dealloc)(id);
-OBJC_EXPORT id (*_zoneAlloc)(Class, unsigned int, void *);
-OBJC_EXPORT id (*_zoneRealloc)(id, unsigned int, void *);
-OBJC_EXPORT id (*_zoneCopy)(id, unsigned int, void *);
-
-OBJC_EXPORT void (*_error)(id, const char *, va_list);
-
-
-#endif /* _OBJC_RUNTIME_H_ */
+#include <objc/runtime.h>
+#include <objc/message.h>
projects / apple / objc4.git / blobdiff