Return to objc-runtime.h CVS log

Up to [Apple Darwin 0.x] / objc

Annotation of objc/objc-runtime.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.0 (the 'License').  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License."
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: /*
                     25:  *     objc-runtime.h
                     26:  *     Copyright 1988, NeXT, Inc.
                     27:  */
                     28: 
                     29: #ifndef _OBJC_RUNTIME_H_
                     30: #define _OBJC_RUNTIME_H_
                     31: 
                     32: #import "objc.h"
                     33: #import "objc-class.h"
                     34: #import "hashtable.h"
                     35: #import "Object.h"
                     36: 
                     37: typedef struct objc_symtab *Symtab;
                     38: 
                     39: struct objc_symtab {
                     40:        unsigned long   sel_ref_cnt;
                     41:        SEL             *refs;          
                     42:        unsigned short  cls_def_cnt;
                     43:        unsigned short  cat_def_cnt;
                     44:        void            *defs[1];       /* variable size */
                     45: };
                     46: 
                     47: typedef struct objc_module *Module;
                     48: 
                     49: struct objc_module {
                     50:        unsigned long   version;
                     51:        unsigned long   size;
                     52:        const char      *name;
                     53:        Symtab          symtab; 
                     54: };
                     55: 
                     56: struct objc_super {
                     57:        id receiver;
                     58:        Class class;
                     59: };
                     60: 
                     61: /* kernel operations */
                     62: 
                     63: extern id objc_getClass(const char *name);
                     64: extern id objc_getMetaClass(const char *name);
                     65: extern id objc_msgSend(id self, SEL op, ...);
                     66: extern id objc_msgSendSuper(struct objc_super *super, SEL op, ...);
                     67: 
                     68: /* forwarding operations */
                     69: 
                     70: extern id objc_msgSendv(id self, SEL op, unsigned arg_size, marg_list arg_frame);
                     71: 
                     72: /* 
                     73:    iterating over all the classes in the application...
                     74:   
                     75:    NXHashTable *class_hash = objc_getClasses();
                     76:    NXHashState state = NXInitHashState(class_hash);
                     77:    Class class;
                     78:   
                     79:    while (NXNextHashState(class_hash, &state, &class)
                     80:      ...;
                     81:  */
                     82: extern NXHashTable *objc_getClasses();
                     83: extern Module *objc_getModules();
                     84: extern id objc_lookUpClass(const char *name);
                     85: extern void objc_addClass(Class myClass);
                     86: 
                     87: /* customizing the error handling for objc_getClass/objc_getMetaClass */
                     88: 
                     89: extern void objc_setClassHandler(int (*)(const char *));
                     90: 
                     91: /* Making the Objective-C runtime thread safe. */
                     92: extern void objc_setMultithreaded (BOOL flag);
                     93: 
                     94: /* overriding the default object allocation and error handling routines */
                     95: 
                     96: extern id      (*_alloc)(Class, unsigned int);
                     97: extern id      (*_copy)(Object *, unsigned int);
                     98: extern id      (*_realloc)(Object *, unsigned int);
                     99: extern id      (*_dealloc)(Object *);
                    100: extern id      (*_zoneAlloc)(Class, unsigned int, NXZone *);
                    101: extern id      (*_zoneRealloc)(Object *, unsigned int, NXZone *);
                    102: extern id      (*_zoneCopy)(Object *, unsigned int, NXZone *);
                    103: extern void    (*_error)(Object *, const char *, va_list);
                    104: 
                    105: #endif /* _OBJC_RUNTIME_H_ */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.