mirror of
https://github.com/darlinghq/darling-corefoundation.git
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4fade8083f
This is made possible using a new cmake function.
346 lines
7.2 KiB
Objective-C
346 lines
7.2 KiB
Objective-C
//
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// NSObject.m
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// CoreFoundation
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//
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// Copyright (c) 2014 Apportable. All rights reserved.
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//
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#import <Foundation/NSObject.h>
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#import <Foundation/NSString.h>
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#import <Foundation/NSMethodSignature.h>
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#import <Foundation/NSInvocation.h>
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#import <Foundation/NSException.h>
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#import "CFString.h"
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#import "NSZombie.h"
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#import <objc/runtime.h>
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#import <objc/message.h>
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#include <stdio.h>
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#include <malloc/malloc.h>
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//#import <libv/libv.h>
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#define _GETENV(a,b) 0
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#define SYMBOL_HERE_IN_3(sym, vers, n) \
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OBJC_EXPORT const char here_ ##n __asm__("$ld$add$os" #vers "$" #sym); const char here_ ##n = 0
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#define SYMBOL_HERE_IN_2(sym, vers, n) \
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SYMBOL_HERE_IN_3(sym, vers, n)
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#define SYMBOL_HERE_IN(sym, vers) \
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SYMBOL_HERE_IN_2(sym, vers, __COUNTER__)
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#if __OBJC2__
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# define NSOBJECT_HERE_IN(vers) \
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SYMBOL_HERE_IN(_OBJC_CLASS_$_NSObject, vers); \
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SYMBOL_HERE_IN(_OBJC_METACLASS_$_NSObject, vers); \
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SYMBOL_HERE_IN(_OBJC_IVAR_$_NSObject.isa, vers)
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#else
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# define NSOBJECT_HERE_IN(vers) \
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SYMBOL_HERE_IN(.objc_class_name_NSObject, vers)
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#endif
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#if TARGET_OS_IOS
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NSOBJECT_HERE_IN(2.0);
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NSOBJECT_HERE_IN(2.1);
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NSOBJECT_HERE_IN(2.2);
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NSOBJECT_HERE_IN(3.0);
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NSOBJECT_HERE_IN(3.1);
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NSOBJECT_HERE_IN(3.2);
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NSOBJECT_HERE_IN(4.0);
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NSOBJECT_HERE_IN(4.1);
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NSOBJECT_HERE_IN(4.2);
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NSOBJECT_HERE_IN(4.3);
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NSOBJECT_HERE_IN(5.0);
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NSOBJECT_HERE_IN(5.1);
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#elif TARGET_OS_MAC
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NSOBJECT_HERE_IN(10.0);
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NSOBJECT_HERE_IN(10.1);
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NSOBJECT_HERE_IN(10.2);
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NSOBJECT_HERE_IN(10.3);
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NSOBJECT_HERE_IN(10.4);
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NSOBJECT_HERE_IN(10.5);
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NSOBJECT_HERE_IN(10.6);
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NSOBJECT_HERE_IN(10.7);
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#endif
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void __CFZombifyNSObject(void) {
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Class cls = objc_lookUpClass("NSObject");
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Method dealloc_zombie = class_getInstanceMethod(cls, @selector(__dealloc_zombie));
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Method dealloc = class_getInstanceMethod(cls, @selector(dealloc));
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method_exchangeImplementations(dealloc_zombie, dealloc);
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}
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static void NSUnrecognizedForwarding() { __asm__("int3"); }
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@implementation NSObject (NSObject)
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+ (void)doesNotRecognizeSelector:(SEL)sel
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{
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if (_GETENV(BOOL, "NSUnrecognizedForwardingDisabled"))
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{
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RELEASE_LOG("+[%s %s]: unrecognized selector sent to instance %p; set a breakpoint on NSUnrecognizedForwarding to debug", class_getName(self), sel_getName(sel), self);
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NSUnrecognizedForwarding();
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}
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else
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{
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// DONT EVEN THINK ABOUT REMOVING/HACKING AROUND THIS!
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// EVER!
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// ...
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// yes, I mean YOU!
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[NSException raise:NSInvalidArgumentException format:@"+[%s %s]: unrecognized selector sent to instance %p", class_getName(self), sel_getName(sel), self];
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}
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}
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- (void)doesNotRecognizeSelector:(SEL)sel
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{
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if (_GETENV(BOOL, "NSUnrecognizedForwardingDisabled"))
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{
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RELEASE_LOG("+[%s %s]: unrecognized selector sent to instance %p; set a breakpoint on NSUnrecognizedForwarding to debug", object_getClassName(self), sel_getName(sel), self);
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NSUnrecognizedForwarding();
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}
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else
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{
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// DONT EVEN THINK ABOUT REMOVING/HACKING AROUND THIS!
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// EVER!
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// ...
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// yes, I mean YOU!
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[NSException raise:NSInvalidArgumentException format:@"-[%s %s]: unrecognized selector sent to instance %p", object_getClassName(self), sel_getName(sel), self];
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}
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}
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+ (NSMethodSignature *)instanceMethodSignatureForSelector:(SEL)sel
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{
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if (sel == NULL)
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{
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return nil;
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}
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Method m = class_getInstanceMethod(self, sel);
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if (m == NULL)
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{
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return nil;
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}
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return [NSMethodSignature signatureWithObjCTypes:method_getTypeEncoding(m)];
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}
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+ (NSMethodSignature *)methodSignatureForSelector:(SEL)sel
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{
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if (sel == NULL)
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{
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return nil;
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}
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Method m = class_getClassMethod(self, sel);
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if (m == NULL)
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{
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return nil;
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}
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return [NSMethodSignature signatureWithObjCTypes:method_getTypeEncoding(m)];
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}
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- (NSMethodSignature *)methodSignatureForSelector:(SEL)sel
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{
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if (sel == NULL)
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{
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return nil;
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}
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Method m = class_getInstanceMethod(object_getClass(self), sel);
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if (m == NULL)
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{
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return nil;
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}
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return [NSMethodSignature signatureWithObjCTypes:method_getTypeEncoding(m)];
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}
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+ (NSString *)description
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{
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CFStringRef description = CFStringCreateWithCString(kCFAllocatorDefault, class_getName(self), kCFStringEncodingUTF8);
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return [(NSString *)description autorelease];
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}
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- (NSString *)description
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{
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CFStringRef description = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("<%s: %p>"), object_getClassName(self), self);
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return [(NSString *)description autorelease];
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}
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+ (BOOL)implementsSelector:(SEL)selector
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{
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if (selector == NULL)
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{
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[NSException raise:NSInvalidArgumentException format:@"selector cannot be NULL"];
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return NO;
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}
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return class_getMethodImplementation(object_getClass(self), selector) != (IMP)&_objc_msgForward;
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}
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- (BOOL)implementsSelector:(SEL)selector
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{
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if (selector == NULL)
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{
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[NSException raise:NSInvalidArgumentException format:@"selector cannot be NULL"];
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return NO;
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}
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// sneaky! this calls [self class]!!
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return class_getMethodImplementation([self class], selector) != (IMP)&_objc_msgForward;
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}
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+ (BOOL)instancesImplementSelector:(SEL)selector
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{
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if (selector == NULL)
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{
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[NSException raise:NSInvalidArgumentException format:@"selector cannot be NULL"];
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return NO;
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}
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return class_getMethodImplementation(self, selector) != (IMP)&_objc_msgForward;
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}
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+ (void)forwardInvocation:(NSInvocation *)inv
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{
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[inv setTarget:self];
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[inv invoke];
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}
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- (void)forwardInvocation:(NSInvocation *)inv
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{
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[inv setTarget:self];
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[inv invoke];
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}
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- (void)__dealloc_zombie
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{
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const char *className = object_getClassName(self);
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char *zombieClassName = NULL;
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do {
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if (asprintf(&zombieClassName, "%s%s", ZOMBIE_PREFIX, className) == -1)
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{
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break;
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}
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Class zombieClass = objc_getClass(zombieClassName);
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if (zombieClass == Nil)
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{
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zombieClass = objc_duplicateClass(objc_getClass(ZOMBIE_PREFIX), zombieClassName, 0);
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}
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if (zombieClass == Nil)
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{
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break;
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}
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objc_destructInstance(self);
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object_setClass(self, zombieClass);
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} while (0);
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if (zombieClassName != NULL)
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{
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free(zombieClassName);
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}
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}
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@end
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@implementation NSObject (NSCoderMethods)
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- (BOOL)_allowsDirectEncoding
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{
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return NO;
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}
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+ (NSInteger)version
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{
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return class_getVersion(self);
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}
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+ (void)setVersion:(NSInteger)aVersion
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{
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class_setVersion(self, aVersion);
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}
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- (Class)classForCoder
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{
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return [self class];
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}
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- (id)replacementObjectForCoder:(NSCoder *)aCoder
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{
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return self;
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}
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- (id)awakeAfterUsingCoder:(NSCoder *)aDecoder
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{
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return self;
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}
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@end
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@implementation NSObject (__NSIsKinds)
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- (BOOL)isNSValue__
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{
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return NO;
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}
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- (BOOL)isNSTimeZone__
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{
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return NO;
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}
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- (BOOL)isNSString__
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{
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return NO;
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}
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- (BOOL)isNSSet__
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{
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return NO;
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}
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- (BOOL)isNSOrderedSet__
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{
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return NO;
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}
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- (BOOL)isNSNumber__
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{
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return NO;
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}
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- (BOOL)isNSDictionary__
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{
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return NO;
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}
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- (BOOL)isNSDate__
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{
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return NO;
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}
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- (BOOL)isNSData__
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{
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return NO;
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}
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- (BOOL)isNSArray__
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{
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return NO;
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}
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@end
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