ObjFW  Diff

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#if defined(OF_ATOMIC_OPS)
# import "atomic.h"
#elif defined(OF_THREADS)
# import "threading.h"
#endif

struct pre_ivar {
	int32_t	      retainCount;
	void	      **memoryChunks;
	unsigned int  memoryChunksSize;
#if !defined(OF_ATOMIC_OPS) && defined(OF_THREADS)
	of_spinlock_t retainCountSpinlock;
#endif
};

/* Hopefully no arch needs more than 16 bytes padding */
#ifndef __BIGGEST_ALIGNMENT__
# define __BIGGEST_ALIGNMENT__ 16
#endif


#define PRE_IVAR_ALIGN ((sizeof(struct pre_ivar) + \
	(__BIGGEST_ALIGNMENT__ - 1)) & ~(__BIGGEST_ALIGNMENT__ - 1))
#define PRE_IVAR ((struct pre_ivar*)(void*)((char*)self - PRE_IVAR_ALIGN))





#ifdef OF_OLD_GNU_RUNTIME
extern void __objc_update_dispatch_table_for_class(Class);
#endif

static struct {
	Class isa;
} alloc_failed_exception;
static Class autoreleasePool = Nil;

static SEL cxx_construct = NULL;
static SEL cxx_destruct = NULL;

size_t of_pagesize;


#ifdef NEED_OBJC_SYNC_INIT
extern BOOL objc_sync_init();
#endif

#ifdef NEED_OBJC_PROPERTIES_INIT
extern BOOL objc_properties_init();







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#if defined(OF_ATOMIC_OPS)
# import "atomic.h"
#elif defined(OF_THREADS)
# import "threading.h"
#endif

struct pre_ivar {
	int32_t retainCount;
	struct pre_mem *firstMem, *lastMem;

#if !defined(OF_ATOMIC_OPS) && defined(OF_THREADS)
	of_spinlock_t retainCountSpinlock;
#endif
};

struct pre_mem {
	struct pre_mem *prev, *next;

	id owner;
};

#define PRE_IVAR_ALIGN ((sizeof(struct pre_ivar) + \
	(__BIGGEST_ALIGNMENT__ - 1)) & ~(__BIGGEST_ALIGNMENT__ - 1))
#define PRE_IVAR ((struct pre_ivar*)(void*)((char*)self - PRE_IVAR_ALIGN))

#define PRE_MEM_ALIGN ((sizeof(struct pre_mem) + \
	(__BIGGEST_ALIGNMENT__ - 1)) & ~(__BIGGEST_ALIGNMENT__ - 1))
#define PRE_MEM(mem) ((struct pre_mem*)(void*)((char*)mem - PRE_MEM_ALIGN))

#ifdef OF_OLD_GNU_RUNTIME
extern void __objc_update_dispatch_table_for_class(Class);
#endif

static struct {
	Class isa;
} alloc_failed_exception;
static Class autoreleasePool = Nil;

static SEL cxx_construct = NULL;
static SEL cxx_destruct = NULL;

size_t of_pagesize;
size_t of_num_cpus;

#ifdef NEED_OBJC_SYNC_INIT
extern BOOL objc_sync_init();
#endif

#ifdef NEED_OBJC_PROPERTIES_INIT
extern BOOL objc_properties_init();
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	enumeration_mutation_handler(object);
}
#endif

#if defined(HAVE_OBJC_ENUMERATIONMUTATION) && defined(OF_OLD_GNU_RUNTIME)
extern void objc_setEnumerationMutationHandler(void(*handler)(id));
#endif















































const char*
_NSPrintForDebugger(id object)
{
	return [[object description]
	    cStringWithEncoding: OF_STRING_ENCODING_NATIVE];
}







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	enumeration_mutation_handler(object);
}
#endif

#if defined(HAVE_OBJC_ENUMERATIONMUTATION) && defined(OF_OLD_GNU_RUNTIME)
extern void objc_setEnumerationMutationHandler(void(*handler)(id));
#endif

id
of_alloc_object(Class class, size_t extraSize, size_t extraAlignment,
    void **extra)
{
	OFObject *instance;
	size_t instanceSize;

	instanceSize = class_getInstanceSize(class);

	if (OF_UNLIKELY(extraAlignment > 0))
		extraAlignment = ((instanceSize + extraAlignment - 1) &
		    ~(extraAlignment - 1)) - extraAlignment;

	instance = malloc(PRE_IVAR_ALIGN + instanceSize +
	    extraAlignment + extraSize);

	if (OF_UNLIKELY(instance == nil)) {
		alloc_failed_exception.isa = [OFAllocFailedException class];
		@throw (OFAllocFailedException*)&alloc_failed_exception;
	}

	((struct pre_ivar*)instance)->retainCount = 1;
	((struct pre_ivar*)instance)->firstMem = NULL;
	((struct pre_ivar*)instance)->lastMem = NULL;

#if !defined(OF_ATOMIC_OPS) && defined(OF_THREADS)
	if (OF_UNLIKELY(!of_spinlock_new(
	    &((struct pre_ivar*)instance)->retainCountSpinlock))) {
		free(instance);
		@throw [OFInitializationFailedException
		    exceptionWithClass: class];
	}
#endif

	instance = (OFObject*)((char*)instance + PRE_IVAR_ALIGN);

	instance->isa = class;
	memset((char*)instance + sizeof(instance->isa), 0,
	    instanceSize - sizeof(instance->isa));

	if (OF_UNLIKELY(extra != NULL))
		*extra = (char*)instance + instanceSize + extraAlignment;

	return instance;
}

const char*
_NSPrintForDebugger(id object)
{
	return [[object description]
	    cStringWithEncoding: OF_STRING_ENCODING_NATIVE];
}
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		abort();
	}

#if defined(_WIN32)
	SYSTEM_INFO si;
	GetSystemInfo(&si);
	of_pagesize = si.dwPageSize;

#elif defined(_PSP)
	of_pagesize = 4096;

#else
	if ((of_pagesize = sysconf(_SC_PAGESIZE)) < 1)
		of_pagesize = 4096;


#endif
}

+ (void)initialize
{
}

+ alloc
{
	OFObject *instance;
	size_t instanceSize = class_getInstanceSize(self);
	Class class;
	void (*last)(id, SEL) = NULL;

	if ((instance = malloc(instanceSize + PRE_IVAR_ALIGN)) == NULL) {
		alloc_failed_exception.isa = [OFAllocFailedException class];
		@throw (OFAllocFailedException*)&alloc_failed_exception;
	}

	((struct pre_ivar*)instance)->memoryChunks = NULL;
	((struct pre_ivar*)instance)->memoryChunksSize = 0;
	((struct pre_ivar*)instance)->retainCount = 1;

#if !defined(OF_ATOMIC_OPS) && defined(OF_THREADS)
	if (!of_spinlock_new(
	    &((struct pre_ivar*)instance)->retainCountSpinlock)) {
		free(instance);
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
	}
#endif

	instance = (OFObject*)((char*)instance + PRE_IVAR_ALIGN);
	memset(instance, 0, instanceSize);
	instance->isa = self;

	for (class = self; class != Nil; class = class_getSuperclass(class)) {
		void (*construct)(id, SEL);

		if ([class instancesRespondToSelector: cxx_construct]) {
			if ((construct = (void(*)(id, SEL))[class
			    instanceMethodForSelector: cxx_construct]) != last)
				construct(instance, cxx_construct);

			last = construct;
		} else
			break;
	}

	return instance;
}

+ new
{
	return [[self alloc] init];
}








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		abort();
	}

#if defined(_WIN32)
	SYSTEM_INFO si;
	GetSystemInfo(&si);
	of_pagesize = si.dwPageSize;
	of_num_cpus = si.dwNumberOfProcessors;
#elif defined(_PSP)
	of_pagesize = 4096;
	of_num_cpus = 1;
#else
	if ((of_pagesize = sysconf(_SC_PAGESIZE)) < 1)
		of_pagesize = 4096;
	if ((of_num_cpus = sysconf(_SC_NPROCESSORS_CONF)) < 1)
		of_num_cpus = 1;
#endif
}

+ (void)initialize
{
}

+ alloc
{




	return of_alloc_object(self, 0, 0, NULL);




































}

+ new
{
	return [[self alloc] init];
}

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}

+ (OFString*)description
{
	return [self className];
}

+ (IMP)setImplementation: (IMP)newImp
	  forClassMethod: (SEL)selector
{
#if defined(OF_OBJFW_RUNTIME)
	if (newImp == (IMP)0 || !class_respondsToSelector(self->isa, selector))
		@throw [OFInvalidArgumentException exceptionWithClass: self
							     selector: _cmd];

	return objc_replace_class_method(self, selector, newImp);
#elif defined(OF_OLD_GNU_RUNTIME)
	Method_t method;
	MethodList_t iter;

	method = class_get_class_method(self->class_pointer, selector);

	if (newImp == (IMP)0 || method == METHOD_NULL)
		@throw [OFInvalidArgumentException exceptionWithClass: self
							     selector: _cmd];

	for (iter = ((Class)self->class_pointer)->methods; iter != NULL;
	    iter = iter->method_next) {
		int i;

		for (i = 0; i < iter->method_count; i++)
			if (sel_eq(iter->method_list[i].method_name,
			    selector)) {
				IMP oldImp;

				oldImp = iter->method_list[i].method_imp;
				iter->method_list[i].method_imp = newImp;

				__objc_update_dispatch_table_for_class(
				    (Class)self->class_pointer);

				return oldImp;
			}
	}

	assert([self addClassMethod: selector
		   withTypeEncoding: method->method_types
		     implementation: newImp]);

	return (IMP)0;
#else
	Method method;

	if (newImp == (IMP)0 ||
	    (method = class_getClassMethod(self, selector)) == NULL)
		@throw [OFInvalidArgumentException exceptionWithClass: self
							     selector: _cmd];

	/*
	 * Cast needed because it's isa in the Apple runtime, but class_pointer
	 * in the GNU runtime.
	 */
	return class_replaceMethod(((OFObject*)self)->isa, selector, newImp,
	    method_getTypeEncoding(method));
#endif
}

+ (IMP)replaceClassMethod: (SEL)selector
      withMethodFromClass: (Class)class
{
	IMP newImp;

	if (![class isSubclassOfClass: self])
		@throw [OFInvalidArgumentException exceptionWithClass: self
							     selector: _cmd];

	newImp = [class methodForSelector: selector];

	return [self setImplementation: newImp
			forClassMethod: selector];
}

+ (IMP)setImplementation: (IMP)newImp
       forInstanceMethod: (SEL)selector
{
#if defined(OF_OBJFW_RUNTIME)
	if (newImp == (IMP)0 || !class_respondsToSelector(self, selector))
		@throw [OFInvalidArgumentException exceptionWithClass: self
							     selector: _cmd];

	return objc_replace_instance_method(self, selector, newImp);
#elif defined(OF_OLD_GNU_RUNTIME)
	Method_t method;
	MethodList_t iter;

	method = class_get_instance_method(self, selector);

	if (newImp == (IMP)0 || method == METHOD_NULL)
		@throw [OFInvalidArgumentException exceptionWithClass: self
							     selector: _cmd];

	for (iter = ((Class)self)->methods; iter != NULL;
	    iter = iter->method_next) {
		int i;

		for (i = 0; i < iter->method_count; i++)
			if (sel_eq(iter->method_list[i].method_name,
			    selector)) {
				IMP oldImp;

				oldImp = iter->method_list[i].method_imp;
				iter->method_list[i].method_imp = newImp;

				__objc_update_dispatch_table_for_class(self);

				return oldImp;
			}
	}

	assert([self addInstanceMethod: selector
		      withTypeEncoding: method->method_types
			implementation: newImp]);

	return (IMP)0;
#else
	Method method;

	if (newImp == (IMP)0 ||
	    (method = class_getInstanceMethod(self, selector)) == NULL)
		@throw [OFInvalidArgumentException exceptionWithClass: self
							     selector: _cmd];

	return class_replaceMethod(self, selector, newImp,
	    method_getTypeEncoding(method));
#endif
}

+ (IMP)replaceInstanceMethod: (SEL)selector
	 withMethodFromClass: (Class)class
{
	IMP newImp;

	if (![class isSubclassOfClass: self])
		@throw [OFInvalidArgumentException exceptionWithClass: self
							     selector: _cmd];

	newImp = [class instanceMethodForSelector: selector];



	return [self setImplementation: newImp
		     forInstanceMethod: selector];

}

+ (BOOL)addInstanceMethod: (SEL)selector

	 withTypeEncoding: (const char*)typeEncoding
	   implementation: (IMP)implementation
{
#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
	return class_addMethod(self, selector, implementation, typeEncoding);

#elif defined(OF_OLD_GNU_RUNTIME)
	MethodList_t methodList;

	for (methodList = ((Class)self)->methods; methodList != NULL;
	    methodList = methodList->method_next) {
		int i;

		for (i = 0; i < methodList->method_count; i++)
			if (sel_eq(methodList->method_list[i].method_name,
			    selector))








				return NO;


	}

	if ((methodList = malloc(sizeof(*methodList))) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithClass: self
			 requestedSize: sizeof(*methodList)];

	methodList->method_next = ((Class)self)->methods;
	methodList->method_count = 1;

	methodList->method_list[0].method_name = selector;
	methodList->method_list[0].method_types = typeEncoding;
	methodList->method_list[0].method_imp = implementation;

	((Class)self)->methods = methodList;

	__objc_update_dispatch_table_for_class(self);

	return YES;
#else
	@throw [OFNotImplementedException exceptionWithClass: self
						    selector: _cmd];
#endif
}

+ (BOOL)addClassMethod: (SEL)selector

      withTypeEncoding: (const char*)typeEncoding
	implementation: (IMP)implementation
{
#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
	return class_addMethod(((OFObject*)self)->isa, selector, implementation,
	    typeEncoding);
#elif defined(OF_OLD_GNU_RUNTIME)
	MethodList_t methodList;

	for (methodList = ((Class)self->class_pointer)->methods;
	    methodList != NULL; methodList = methodList->method_next) {
		int i;

		for (i = 0; i < methodList->method_count; i++)
			if (sel_eq(methodList->method_list[i].method_name,
			    selector))









				return NO;


	}

	if ((methodList = malloc(sizeof(*methodList))) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithClass: self
			 requestedSize: sizeof(*methodList)];

	methodList->method_next = ((Class)self->class_pointer)->methods;
	methodList->method_count = 1;

	methodList->method_list[0].method_name = selector;
	methodList->method_list[0].method_types = typeEncoding;
	methodList->method_list[0].method_imp = implementation;

	((Class)self->class_pointer)->methods = methodList;

	__objc_update_dispatch_table_for_class((Class)self->class_pointer);

	return YES;
#else
	@throw [OFNotImplementedException exceptionWithClass: self
						    selector: _cmd];
#endif
}

+ (void)inheritMethodsFromClass: (Class)class







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}

+ (OFString*)description
{
	return [self className];
}





























































+ (IMP)replaceClassMethod: (SEL)selector
      withMethodFromClass: (Class)class
{
	IMP newImp;
	const char *typeEncoding;




	newImp = [class methodForSelector: selector];
	typeEncoding = [class typeEncodingForSelector: selector];









































	return [self replaceClassMethod: selector

		     withImplementation: newImp











			   typeEncoding: typeEncoding];

}

+ (IMP)replaceInstanceMethod: (SEL)selector
	 withMethodFromClass: (Class)class
{
	IMP newImp;
	const char *typeEncoding;




	newImp = [class instanceMethodForSelector: selector];
	typeEncoding = [class typeEncodingForInstanceSelector: selector];

	return [self replaceInstanceMethod: selector
			withImplementation: newImp

			      typeEncoding: typeEncoding];
}

+ (IMP)replaceInstanceMethod: (SEL)selector
	  withImplementation: (IMP)implementation
		typeEncoding: (const char*)typeEncoding

{
#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
	return class_replaceMethod(self, selector, implementation,
	    typeEncoding);
#elif defined(OF_OLD_GNU_RUNTIME)
	MethodList_t methodList;

	for (methodList = ((Class)self)->methods; methodList != NULL;
	    methodList = methodList->method_next) {
		int i;

		for (i = 0; i < methodList->method_count; i++) {
			if (sel_eq(methodList->method_list[i].method_name,
			    selector)) {
				IMP oldImp;
				oldImp = methodList->method_list[i].method_imp;

				methodList->method_list[i].method_imp =
				    implementation;

				__objc_update_dispatch_table_for_class(self);

				return oldImp;
			}
		}
	}

	if ((methodList = malloc(sizeof(*methodList))) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithClass: self
			 requestedSize: sizeof(*methodList)];

	methodList->method_next = ((Class)self)->methods;
	methodList->method_count = 1;

	methodList->method_list[0].method_name = selector;
	methodList->method_list[0].method_types = typeEncoding;
	methodList->method_list[0].method_imp = implementation;

	((Class)self)->methods = methodList;

	__objc_update_dispatch_table_for_class(self);

	return (IMP)nil;
#else
	@throw [OFNotImplementedException exceptionWithClass: self
						    selector: _cmd];
#endif
}

+ (IMP)replaceClassMethod: (SEL)selector
       withImplementation: (IMP)implementation
	     typeEncoding: (const char*)typeEncoding

{
#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
	return class_replaceMethod(((OFObject*)self)->isa, selector,
	    implementation, typeEncoding);
#elif defined(OF_OLD_GNU_RUNTIME)
	MethodList_t methodList;

	for (methodList = ((Class)self->class_pointer)->methods;
	    methodList != NULL; methodList = methodList->method_next) {
		int i;

		for (i = 0; i < methodList->method_count; i++) {
			if (sel_eq(methodList->method_list[i].method_name,
			    selector)) {
				IMP oldImp;
				oldImp = methodList->method_list[i].method_imp;

				methodList->method_list[i].method_imp =
				    implementation;

				__objc_update_dispatch_table_for_class(
				    (Class)self->class_pointer);

				return oldImp;
			}
		}
	}

	if ((methodList = malloc(sizeof(*methodList))) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithClass: self
			 requestedSize: sizeof(*methodList)];

	methodList->method_next = ((Class)self->class_pointer)->methods;
	methodList->method_count = 1;

	methodList->method_list[0].method_name = selector;
	methodList->method_list[0].method_types = typeEncoding;
	methodList->method_list[0].method_imp = implementation;

	((Class)self->class_pointer)->methods = methodList;

	__objc_update_dispatch_table_for_class((Class)self->class_pointer);

	return (IMP)nil;
#else
	@throw [OFNotImplementedException exceptionWithClass: self
						    selector: _cmd];
#endif
}

+ (void)inheritMethodsFromClass: (Class)class
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	Method *methodList;
	unsigned i, count;

	methodList = class_copyMethodList(((OFObject*)class)->isa, &count);
	@try {
		for (i = 0; i < count; i++) {
			SEL selector = method_getName(methodList[i]);
			IMP implementation;

			/*
			 * Don't replace methods implemented in receiving class.
			 */
			if ([self methodForSelector: selector] !=
			    [superclass methodForSelector: selector])
				continue;

			implementation = [class methodForSelector: selector];

			if ([self respondsToSelector: selector])
				[self setImplementation: implementation
					 forClassMethod: selector];
			else {
				const char *typeEncoding =
				    method_getTypeEncoding(methodList[i]);
				[self addClassMethod: selector
				    withTypeEncoding: typeEncoding
				      implementation: implementation];
			}
		}
	} @finally {
		free(methodList);
	}

	methodList = class_copyMethodList(class, &count);
	@try {
		for (i = 0; i < count; i++) {
			SEL selector = method_getName(methodList[i]);
			IMP implementation;

			/*
			 * Don't replace methods implemented in receiving class.
			 */
			if ([self instanceMethodForSelector: selector] !=
			    [superclass instanceMethodForSelector: selector])
				continue;

			implementation =
			    [class instanceMethodForSelector: selector];

			if ([self instancesRespondToSelector: selector])
				     [self setImplementation: implementation
					   forInstanceMethod: selector];
			else {
				const char *typeEncoding =
				    method_getTypeEncoding(methodList[i]);
				[self addInstanceMethod: selector
				       withTypeEncoding: typeEncoding
					 implementation: implementation];
			}
		}
	} @finally {
		free(methodList);
	}
#elif defined(OF_OLD_GNU_RUNTIME)
	MethodList_t methodList;

	for (methodList = class->class_pointer->methods;
	    methodList != NULL; methodList = methodList->method_next) {
		int i;

		for (i = 0; i < methodList->method_count; i++) {
			SEL selector = methodList->method_list[i].method_name;
			IMP implementation;

			/*
			 * Don't replace methods implemented in receiving class.
			 */
			if ([self methodForSelector: selector] !=
			    [superclass methodForSelector: selector])
				continue;

			implementation = [class methodForSelector: selector];

			if ([self respondsToSelector: selector])
				     [self setImplementation: implementation
					      forClassMethod: selector];
			else {
				const char *typeEncoding =
				    methodList->method_list[i].method_types;
				[self addClassMethod: selector
				    withTypeEncoding: typeEncoding
				      implementation: implementation];
			}
		}
	}

	for (methodList = class->methods; methodList != NULL;
	    methodList = methodList->method_next) {
		int i;

		for (i = 0; i < methodList->method_count; i++) {
			SEL selector = methodList->method_list[i].method_name;
			IMP implementation;

			/*
			 * Don't replace methods implemented in receiving class.
			 */
			if ([self instanceMethodForSelector: selector] !=
			    [superclass instanceMethodForSelector: selector])
				continue;

			implementation =
			    [class instanceMethodForSelector: selector];

			if ([self instancesRespondToSelector: selector])
				     [self setImplementation: implementation
					   forInstanceMethod: selector];
			else {
				const char *typeEncoding =
				    methodList->method_list[i].method_types;
				[self addInstanceMethod: selector
				       withTypeEncoding: typeEncoding
					 implementation: implementation];
			}
		}
	}
#else
	@throw [OFNotImplementedException exceptionWithClass: self
						    selector: _cmd];
#endif

	[self inheritMethodsFromClass: [class superclass]];
}

- init
{
















	return self;
}

- (Class)class
{
	return isa;
}







<








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	Method *methodList;
	unsigned i, count;

	methodList = class_copyMethodList(((OFObject*)class)->isa, &count);
	@try {
		for (i = 0; i < count; i++) {
			SEL selector = method_getName(methodList[i]);


			/*
			 * Don't replace methods implemented in receiving class.
			 */
			if ([self methodForSelector: selector] !=
			    [superclass methodForSelector: selector])
				continue;





			[self replaceClassMethod: selector



			     withMethodFromClass: class];



		}
	} @finally {
		free(methodList);
	}

	methodList = class_copyMethodList(class, &count);
	@try {
		for (i = 0; i < count; i++) {
			SEL selector = method_getName(methodList[i]);


			/*
			 * Don't replace methods implemented in receiving class.
			 */
			if ([self instanceMethodForSelector: selector] !=
			    [superclass instanceMethodForSelector: selector])
				continue;






			[self replaceInstanceMethod: selector



				withMethodFromClass: class];



		}
	} @finally {
		free(methodList);
	}
#elif defined(OF_OLD_GNU_RUNTIME)
	MethodList_t methodList;

	for (methodList = class->class_pointer->methods;
	    methodList != NULL; methodList = methodList->method_next) {
		int i;

		for (i = 0; i < methodList->method_count; i++) {
			SEL selector = methodList->method_list[i].method_name;


			/*
			 * Don't replace methods implemented in receiving class.
			 */
			if ([self methodForSelector: selector] !=
			    [superclass methodForSelector: selector])
				continue;





			[self replaceClassMethod: selector



			     withMethodFromClass: class];



		}
	}

	for (methodList = class->methods; methodList != NULL;
	    methodList = methodList->method_next) {
		int i;

		for (i = 0; i < methodList->method_count; i++) {
			SEL selector = methodList->method_list[i].method_name;


			/*
			 * Don't replace methods implemented in receiving class.
			 */
			if ([self instanceMethodForSelector: selector] !=
			    [superclass instanceMethodForSelector: selector])
				continue;






			[self replaceInstanceMethod: selector



				withMethodFromClass: class];



		}
	}
#else
	@throw [OFNotImplementedException exceptionWithClass: self
						    selector: _cmd];
#endif

	[self inheritMethodsFromClass: [class superclass]];
}

- init
{
	Class class;
	void (*last)(id, SEL) = NULL;

	for (class = isa; class != Nil; class = class_getSuperclass(class)) {
		void (*construct)(id, SEL);

		if ([class instancesRespondToSelector: cxx_construct]) {
			if ((construct = (void(*)(id, SEL))[class
			    instanceMethodForSelector: cxx_construct]) != last)
				construct(self, cxx_construct);

			last = construct;
		} else
			break;
	}

	return self;
}

- (Class)class
{
	return isa;
}
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790

	for (iter = isa; iter != Nil; iter = class_getSuperclass(iter))
		if (iter == class)
			return YES;

	return NO;
}






- (BOOL)respondsToSelector: (SEL)selector
{
#ifdef OF_OLD_GNU_RUNTIME
	if (object_is_instance(self))
		return class_get_instance_method(isa, selector) != METHOD_NULL;
	else







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	for (iter = isa; iter != Nil; iter = class_getSuperclass(iter))
		if (iter == class)
			return YES;

	return NO;
}

- (BOOL)isMemberOfClass: (Class)class
{
	return (isa == class);
}

- (BOOL)respondsToSelector: (SEL)selector
{
#ifdef OF_OLD_GNU_RUNTIME
	if (object_is_instance(self))
		return class_get_instance_method(isa, selector) != METHOD_NULL;
	else
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- (OFString*)description
{
	/* Classes containing data should reimplement this! */
	return [OFString stringWithFormat: @"<%@: %p>", [self className], self];
}

- (void)addMemoryToPool: (void*)pointer
{
	void **memoryChunks;
	unsigned int memoryChunksSize;

	memoryChunksSize = PRE_IVAR->memoryChunksSize + 1;

	if (UINT_MAX - PRE_IVAR->memoryChunksSize < 1 ||
	    memoryChunksSize > UINT_MAX / sizeof(void*))
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	if ((memoryChunks = realloc(PRE_IVAR->memoryChunks,
	    memoryChunksSize * sizeof(void*))) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithClass: isa
			 requestedSize: memoryChunksSize];

	PRE_IVAR->memoryChunks = memoryChunks;
	PRE_IVAR->memoryChunks[PRE_IVAR->memoryChunksSize] = pointer;
	PRE_IVAR->memoryChunksSize = memoryChunksSize;
}

- (void*)allocMemoryWithSize: (size_t)size
{
	void *pointer, **memoryChunks;
	unsigned int memoryChunksSize;

	if (size == 0)
		return NULL;

	memoryChunksSize = PRE_IVAR->memoryChunksSize + 1;

	if (UINT_MAX - PRE_IVAR->memoryChunksSize == 0 ||
	    memoryChunksSize > UINT_MAX / sizeof(void*))
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	if ((pointer = malloc(size)) == NULL)
		@throw [OFOutOfMemoryException exceptionWithClass: isa
						    requestedSize: size];



	if ((memoryChunks = realloc(PRE_IVAR->memoryChunks,
	    memoryChunksSize * sizeof(void*))) == NULL) {
		free(pointer);
		@throw [OFOutOfMemoryException
		    exceptionWithClass: isa
			 requestedSize: memoryChunksSize];
	}



	PRE_IVAR->memoryChunks = memoryChunks;
	PRE_IVAR->memoryChunks[PRE_IVAR->memoryChunksSize] = pointer;
	PRE_IVAR->memoryChunksSize = memoryChunksSize;

	return pointer;
}

- (void*)allocMemoryForNItems: (size_t)nItems
		       ofSize: (size_t)size
{
	if (nItems == 0 || size == 0)
		return NULL;

	if (nItems > SIZE_MAX / size)
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	return [self allocMemoryWithSize: nItems * size];
}

- (void*)resizeMemory: (void*)pointer
	       toSize: (size_t)size
{
	void **iter;


	if (pointer == NULL)
		return [self allocMemoryWithSize: size];

	if (size == 0) {
		[self freeMemory: pointer];
		return NULL;
	}


	iter = PRE_IVAR->memoryChunks + PRE_IVAR->memoryChunksSize;



	while (iter-- > PRE_IVAR->memoryChunks) {
		if (OF_UNLIKELY(*iter == pointer)) {
			if (OF_UNLIKELY((pointer = realloc(pointer,
			    size)) == NULL))
				@throw [OFOutOfMemoryException
				     exceptionWithClass: isa
					  requestedSize: size];


			*iter = pointer;
			return pointer;



		}




	}

	@throw [OFMemoryNotPartOfObjectException exceptionWithClass: isa
							    pointer: pointer];

}

- (void*)resizeMemory: (void*)pointer
	     toNItems: (size_t)nItems
	       ofSize: (size_t)size
{
	if (pointer == NULL)







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- (OFString*)description
{
	/* Classes containing data should reimplement this! */
	return [OFString stringWithFormat: @"<%@: %p>", [self className], self];
}























- (void*)allocMemoryWithSize: (size_t)size
{
	void *pointer;

	struct pre_mem *preMem;





	if (size > SIZE_MAX - PRE_IVAR_ALIGN)

		@throw [OFOutOfRangeException exceptionWithClass: isa];

	if ((pointer = malloc(PRE_MEM_ALIGN + size)) == NULL)
		@throw [OFOutOfMemoryException exceptionWithClass: isa
						    requestedSize: size];
	preMem = pointer;

	preMem->owner = self;
	preMem->prev = PRE_IVAR->lastMem;
	preMem->next = NULL;





	if (PRE_IVAR->lastMem != NULL)
		PRE_IVAR->lastMem->next = preMem;

	PRE_IVAR->lastMem = preMem;



	return (char*)pointer + PRE_MEM_ALIGN;
}

- (void*)allocMemoryForNItems: (size_t)nItems
		       ofSize: (size_t)size
{
	if (nItems == 0 || size == 0)
		return NULL;

	if (nItems > SIZE_MAX / size)
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	return [self allocMemoryWithSize: nItems * size];
}

- (void*)resizeMemory: (void*)pointer
	       toSize: (size_t)size
{
	void *new;
	struct pre_mem *preMem;

	if (pointer == NULL)
		return [self allocMemoryWithSize: size];

	if (size == 0) {
		[self freeMemory: pointer];
		return NULL;
	}

	if (PRE_MEM(pointer)->owner != self)
		@throw [OFMemoryNotPartOfObjectException
		    exceptionWithClass: isa
			       pointer: pointer];




	if ((new = realloc(PRE_MEM(pointer), PRE_MEM_ALIGN + size)) == NULL)
		@throw [OFOutOfMemoryException exceptionWithClass: isa

						    requestedSize: size];
	preMem = new;

	if (preMem != PRE_MEM(pointer)) {
		if (preMem->prev != NULL)
			preMem->prev->next = preMem;
		if (preMem->next != NULL)
			preMem->next->prev = preMem;

		if (PRE_IVAR->firstMem == PRE_MEM(pointer))
			PRE_IVAR->firstMem = preMem;
		if (PRE_IVAR->lastMem == PRE_MEM(pointer))
			PRE_IVAR->lastMem = preMem;
	}



	return (char*)new + PRE_MEM_ALIGN;
}

- (void*)resizeMemory: (void*)pointer
	     toNItems: (size_t)nItems
	       ofSize: (size_t)size
{
	if (pointer == NULL)
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	return [self resizeMemory: pointer
			   toSize: nItems * size];
}

- (void)freeMemory: (void*)pointer
{
	void **iter, *last, **memoryChunks;
	unsigned int i, memoryChunksSize;

	if (pointer == NULL)
		return;

	iter = PRE_IVAR->memoryChunks + PRE_IVAR->memoryChunksSize;
	i = PRE_IVAR->memoryChunksSize;

	while (iter-- > PRE_IVAR->memoryChunks) {
		i--;

		if (OF_UNLIKELY(*iter == pointer)) {
			memoryChunksSize = PRE_IVAR->memoryChunksSize - 1;
			last = PRE_IVAR->memoryChunks[memoryChunksSize];

			assert(PRE_IVAR->memoryChunksSize != 0 &&
			    memoryChunksSize <= UINT_MAX / sizeof(void*));

			if (OF_UNLIKELY(memoryChunksSize == 0)) {
				free(pointer);
				free(PRE_IVAR->memoryChunks);

				PRE_IVAR->memoryChunks = NULL;
				PRE_IVAR->memoryChunksSize = 0;

				return;
			}

			free(pointer);
			PRE_IVAR->memoryChunks[i] = last;
			PRE_IVAR->memoryChunksSize = memoryChunksSize;

			if (OF_UNLIKELY((memoryChunks = realloc(
			    PRE_IVAR->memoryChunks, memoryChunksSize *
			    sizeof(void*))) == NULL))
				return;

			PRE_IVAR->memoryChunks = memoryChunks;

			return;
		}
	}

	@throw [OFMemoryNotPartOfObjectException exceptionWithClass: isa
							    pointer: pointer];
}

- retain
{
#if defined(OF_ATOMIC_OPS)
	of_atomic_inc_32(&PRE_IVAR->retainCount);
#elif defined(OF_THREADS)







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	return [self resizeMemory: pointer
			   toSize: nItems * size];
}

- (void)freeMemory: (void*)pointer
{



	if (pointer == NULL)
		return;


	if (PRE_MEM(pointer)->owner != self)
		@throw [OFMemoryNotPartOfObjectException


		    exceptionWithClass: isa
			       pointer: pointer];





	if (PRE_MEM(pointer)->prev != NULL)

		PRE_MEM(pointer)->prev->next = PRE_MEM(pointer)->next;

	if (PRE_MEM(pointer)->next != NULL)


		PRE_MEM(pointer)->next->prev = PRE_MEM(pointer)->prev;


	if (PRE_IVAR->firstMem == PRE_MEM(pointer))
		PRE_IVAR->firstMem = PRE_MEM(pointer)->next;
	if (PRE_IVAR->lastMem == PRE_MEM(pointer))
		PRE_IVAR->lastMem = PRE_MEM(pointer)->prev;





	/* To detect double-free */

	PRE_MEM(pointer)->owner = nil;





	free(PRE_MEM(pointer));
}

- retain
{
#if defined(OF_ATOMIC_OPS)
	of_atomic_inc_32(&PRE_IVAR->retainCount);
#elif defined(OF_THREADS)
1108
1109
1110
1111
1112
1113
1114





1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138






1139

1140


1141
1142
1143
1144
1145
1146
1147
	return self;
}

- self
{
	return self;
}






- (void)dealloc
{
	Class class;
	void (*last)(id, SEL) = NULL;
	void **iter;

	for (class = isa; class != Nil; class = class_getSuperclass(class)) {
		void (*destruct)(id, SEL);

		if ([class instancesRespondToSelector: cxx_destruct]) {
			if ((destruct = (void(*)(id, SEL))[class
			    instanceMethodForSelector: cxx_destruct]) != last)
				destruct(self, cxx_destruct);

			last = destruct;
		} else
			break;
	}

	iter = PRE_IVAR->memoryChunks + PRE_IVAR->memoryChunksSize;
	while (iter-- > PRE_IVAR->memoryChunks)
		free(*iter);







	if (PRE_IVAR->memoryChunks != NULL)

		free(PRE_IVAR->memoryChunks);



	free((char*)self - PRE_IVAR_ALIGN);
}

/* Required to use properties with the Apple runtime */
- copyWithZone: (void*)zone
{







>
>
>
>
>





|














|
|
|

>
>
>
>
>
>
|
>
|
>
>







955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
	return self;
}

- self
{
	return self;
}

- (BOOL)isProxy
{
	return NO;
}

- (void)dealloc
{
	Class class;
	void (*last)(id, SEL) = NULL;
	struct pre_mem *iter;

	for (class = isa; class != Nil; class = class_getSuperclass(class)) {
		void (*destruct)(id, SEL);

		if ([class instancesRespondToSelector: cxx_destruct]) {
			if ((destruct = (void(*)(id, SEL))[class
			    instanceMethodForSelector: cxx_destruct]) != last)
				destruct(self, cxx_destruct);

			last = destruct;
		} else
			break;
	}

	iter = PRE_IVAR->firstMem;
	while (iter != NULL) {
		struct pre_mem *next = iter->next;

		/*
		 * We can use owner as a sentinel to prevent exploitation in
		 * case there is a buffer underflow somewhere.
		 */
		if (iter->owner != self)
			abort();

		free(iter);

		iter = next;
	}

	free((char*)self - PRE_IVAR_ALIGN);
}

/* Required to use properties with the Apple runtime */
- copyWithZone: (void*)zone
{
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
	return [(id)self mutableCopy];
}

/*
 * Those are needed as the root class is the superclass of the root class's
 * metaclass and thus instance methods can be sent to class objects as well.
 */
+ (void)addMemoryToPool: (void*)pointer
{
	@throw [OFNotImplementedException exceptionWithClass: self
						    selector: _cmd];
}

+ (void*)allocMemoryWithSize: (size_t)size
{
	@throw [OFNotImplementedException exceptionWithClass: self
						    selector: _cmd];
}

+ (void*)allocMemoryForNItems: (size_t)nItems







<
<
<
<
<
<







1022
1023
1024
1025
1026
1027
1028






1029
1030
1031
1032
1033
1034
1035
	return [(id)self mutableCopy];
}

/*
 * Those are needed as the root class is the superclass of the root class's
 * metaclass and thus instance methods can be sent to class objects as well.
 */






+ (void*)allocMemoryWithSize: (size_t)size
{
	@throw [OFNotImplementedException exceptionWithClass: self
						    selector: _cmd];
}

+ (void*)allocMemoryForNItems: (size_t)nItems