runtime/Accessors.subproj/objc-accessors.h

   1 /*
   2  * Copyright (c) 2006-2007 Apple Inc.  All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef _OBJC_ACCESSORS_H_
  25 #define _OBJC_ACCESSORS_H_
  26
  27 #import <objc/objc.h>
  28 #import <stddef.h>
  29
  30 // Called under non-GC for retain or copy attributed properties
  31 void objc_setProperty(id self, SEL _cmd, ptrdiff_t offset, id newValue, BOOL atomic, BOOL shouldCopy);
  32 id objc_getProperty(id self, SEL _cmd, ptrdiff_t offset, BOOL atomic);
  33
  34 // Called under GC by compiler for copying structures containing objects or other strong pointers when
  35 // the destination memory is not known to be stack local memory.
  36 // Called to read instance variable structures (or other non-word sized entities) atomically
  37 void objc_copyStruct(void *dest, const void *src, ptrdiff_t size, BOOL atomic, BOOL hasStrong);
  38
  39 // OBSOLETE
  40
  41 @protocol NSCopying;
  42
  43 // called for @property(copy)
  44 id <NSCopying> object_getProperty_bycopy(id object, SEL _cmd, ptrdiff_t offset);
  45 void object_setProperty_bycopy(id object, SEL _cmd, id <NSCopying> value, ptrdiff_t offset);
  46
  47 // called for @property(retain)
  48 id object_getProperty_byref(id object, SEL _cmd, ptrdiff_t offset);
  49 void object_setProperty_byref(id object, SEL _cmd, id value, ptrdiff_t offset);
  50
  51 #endif