ObjFW  Check-in [7f0b0c9811]

};

@protocol RetainRelease
- retain;
- (void)release;
@end

#if defined(OF_OBJFW_RUNTIME) || defined(OF_GNU_RUNTIME) || \
    defined(OF_OLD_GNU_RUNTIME)
struct objc_abi_class {
	struct objc_abi_metaclass *metaclass;
	const char *superclass, *name;
	unsigned long version, info, instance_size;
	void *ivars, *methodlist, *dtable, *subclass_list, *sibling_class;
	void *protocols, *gc_object_type;
	long abi_version;
	void *ivar_offsets, *properties;
};

struct objc_abi_metaclass {
	const char *metaclass, *superclass, *name;
	unsigned long version, info, instance_size;
	void *ivars, *methodlist, *dtable, *subclass_list, *sibling_class;
	void *protocols, *gc_object_type;
	long abi_version;
	void *ivar_offsets, *properties;
};

#ifndef OF_OBJFW_RUNTIME
enum objc_abi_class_info {
	OBJC_CLASS_INFO_CLASS	  = 0x01,
	OBJC_CLASS_INFO_METACLASS = 0x02
};
#endif


extern void __objc_exec_class(void*);

/* Begin of ObjC module */
static struct objc_abi_metaclass _NSConcreteStackBlock_metaclass = {
	"OFBlock", "OFBlock", "OFStackBlock", 8, OBJC_CLASS_INFO_METACLASS,
	sizeof(struct objc_abi_class), NULL, NULL
};

 * file.
 */

#include "config.h"

#include <stdlib.h>

#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
# import <objc/runtime.h>
#elif defined(OF_OLD_GNU_RUNTIME)
# import <objc/objc-api.h>
#endif

#import "OFIntrospection.h"
#import "OFString.h"
#import "OFArray.h"
#import "OFAutoreleasePool.h"

#import "macros.h"

@implementation OFMethod
#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
- _initWithMethod: (Method)method
{
	self = [super init];

	@try {
		selector = method_getName(method);
		name = [[OFString alloc]
		    initWithCString: sel_getName(selector)
			   encoding: OF_STRING_ENCODING_ASCII];
		typeEncoding = method_getTypeEncoding(method);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}
#elif defined(OF_OLD_GNU_RUNTIME)
- _initWithMethod: (Method_t)method
{
	self = [super init];

	@try {
		selector = method->method_name;
		name = [[OFString alloc]
		    initWithCString: sel_get_name(selector)
			   encoding: OF_STRING_ENCODING_ASCII];
		typeEncoding = method->method_types;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}
#endif

- (void)dealloc
{
	[name release];

{
	return [OFString stringWithFormat: @"<OFMethod: %@ [%s]>",
					   name, typeEncoding];
}
@end

@implementation OFInstanceVariable
#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
- _initWithIvar: (Ivar)ivar
{
	self = [super init];

	@try {
		name = [[OFString alloc]
		    initWithCString: ivar_getName(ivar)
			   encoding: OF_STRING_ENCODING_ASCII];
		offset = ivar_getOffset(ivar);
		typeEncoding = ivar_getTypeEncoding(ivar);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}
#elif defined(OF_OLD_GNU_RUNTIME)
- _initWithIvar: (Ivar_t)ivar
{
	self = [super init];

	@try {
		name = [[OFString alloc]
		    initWithCString: ivar->ivar_name
			   encoding: OF_STRING_ENCODING_ASCII];
		offset = ivar->ivar_offset;
		typeEncoding = ivar->ivar_type;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}
#endif

- (void)dealloc
{
	[name release];

}
@end

#ifdef OF_HAVE_PROPERTIES
@implementation OFProperty
@synthesize name, attributes;

#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
- _initWithProperty: (objc_property_t)property
{
	self = [super init];

	@try {
		name = [[OFString alloc]
		    initWithCString: property_getName(property)

- initWithClass: (Class)class
{
	self = [super init];

	@try {
		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
		Method *methodList;
		Ivar *ivarList;
# ifdef OF_HAVE_PROPERTIES
		objc_property_t *propertyList;
# endif
		unsigned i, count;
#elif defined(OF_OLD_GNU_RUNTIME)
		MethodList_t methodList;
#endif

		classMethods = [[OFMutableArray alloc] init];
		instanceMethods = [[OFMutableArray alloc] init];
		instanceVariables = [[OFMutableArray alloc] init];
#ifdef OF_HAVE_PROPERTIES
		properties = [[OFMutableArray alloc] init];
#endif

#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
		methodList = class_copyMethodList(((OFObject*)class)->isa,
		    &count);
		@try {
			for (i = 0; i < count; i++) {
				[classMethods addObject: [[[OFMethod alloc]
				    _initWithMethod: methodList[i]]
				    autorelease]];

				    _initWithProperty: propertyList[i]]
				    autorelease]];
				[pool releaseObjects];
			}
		} @finally {
			free(propertyList);
		}
#elif defined(OF_OLD_GNU_RUNTIME)
		for (methodList = class->class_pointer->methods;
		    methodList != NULL; methodList = methodList->method_next) {
			int i;

			for (i = 0; i < methodList->method_count; i++) {
				[classMethods addObject: [[[OFMethod alloc]
				    _initWithMethod:
				    &methodList->method_list[i]] autorelease]];
				[pool releaseObjects];
			}
		}

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

			for (i = 0; i < methodList->method_count; i++) {
				[instanceMethods addObject: [[[OFMethod alloc]
				    _initWithMethod:
				    &methodList->method_list[i]] autorelease]];
				[pool releaseObjects];
			}
		}

		if (class->ivars != NULL) {
			int i;

			for (i = 0; i < class->ivars->ivar_count; i++) {
				[instanceVariables addObject:
				    [[[OFInstanceVariable alloc]
				    _initWithIvar: class->ivars->ivar_list + i]
				    autorelease]];
				[pool releaseObjects];
			}
		}
#endif

		[classMethods makeImmutable];
		[instanceMethods makeImmutable];
		[instanceVariables makeImmutable];
#ifdef OF_HAVE_PROPERTIES
		[properties makeImmutable];

#import "OFMemoryNotPartOfObjectException.h"
#import "OFNotImplementedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"

#import "macros.h"

#if (defined(OF_APPLE_RUNTIME) && __OBJC2__) || defined(OF_GNU_RUNTIME)
# import <objc/objc-exception.h>
#elif defined(OF_OBJFW_RUNTIME)
# import "runtime.h"
#elif defined(OF_OLD_GNU_RUNTIME)
# import <objc/Protocol.h>
#endif

#ifdef _WIN32
# include <windows.h>
#endif

#import "OFString.h"

# 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();
#endif

#if (defined(OF_APPLE_RUNTIME) && __OBJC2__) || defined(OF_GNU_RUNTIME)
static void
uncaught_exception_handler(id exception)
{
	fprintf(stderr, "\nUnhandled exception:\n%s\n",
	    [[exception description] UTF8String]);
}
#endif

void
objc_enumerationMutation(id object)
{
	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];
}

#ifdef OF_OLD_GNU_RUNTIME
static BOOL
protocol_conformsToProtocol(Protocol *a, Protocol *b)
{
	/*
	 * This function is an ugly workaround for a bug that only happens with
	 * Clang 2.9 together with the libobjc from GCC 4.6.
	 * Since the instance variables of Protocol are @private, we have to
	 * cast them to a struct here in order to access them.
	 */
	struct objc_protocol {
		Class isa;
		const char *protocol_name;
		struct objc_protocol_list *protocol_list;
	} *pa = (struct objc_protocol*)a, *pb = (struct objc_protocol*)b;
	struct objc_protocol_list *pl;
	size_t i;

	if (!strcmp(pa->protocol_name, pb->protocol_name))
		return YES;

	for (pl = pa->protocol_list; pl != NULL; pl = pl->next)
		for (i = 0; i < pl->count; i++)
			if (protocol_conformsToProtocol(pl->list[i], b))
				return YES;

	return NO;
}
#endif

/* References for static linking */
void _references_to_categories_of_OFObject(void)
{
	_OFObject_Serialization_reference = 1;
}

@implementation OFObject

	if (!objc_properties_init()) {
		fputs("Runtime error: objc_properties_init() failed!\n",
		    stderr);
		abort();
	}
#endif

#if (defined(OF_APPLE_RUNTIME) && __OBJC2__) || defined(OF_GNU_RUNTIME)
	objc_setUncaughtExceptionHandler(uncaught_exception_handler);
#endif

#ifdef HAVE_OBJC_ENUMERATIONMUTATION
	objc_setEnumerationMutationHandler(enumeration_mutation_handler);
#endif

+ (Class)superclass
{
	return class_getSuperclass(self);
}

+ (BOOL)instancesRespondToSelector: (SEL)selector
{
#ifdef OF_OLD_GNU_RUNTIME
	return class_get_instance_method(self, selector) != METHOD_NULL;
#else
	return class_respondsToSelector(self, selector);
#endif
}

+ (BOOL)conformsToProtocol: (Protocol*)protocol
{
#ifdef OF_OLD_GNU_RUNTIME
	Class c;
	struct objc_protocol_list *pl;
	size_t i;

	for (c = self; c != Nil; c = class_get_super_class(c))
		for (pl = c->protocols; pl != NULL; pl = pl->next)
			for (i = 0; i < pl->count; i++)
				if (protocol_conformsToProtocol(pl->list[i],
				    protocol))
					return YES;

	return NO;
#else
	Class c;

	for (c = self; c != Nil; c = class_getSuperclass(c))
		if (class_conformsToProtocol(c, protocol))
			return YES;

	return NO;
#endif
}

+ (IMP)instanceMethodForSelector: (SEL)selector
{
#if defined(OF_OBJFW_RUNTIME)
	return objc_get_instance_method(self, selector);
#elif defined(OF_OLD_GNU_RUNTIME)
	return method_get_imp(class_get_instance_method(self, selector));
#else
	return class_getMethodImplementation(self, selector);
#endif
}

+ (const char*)typeEncodingForInstanceSelector: (SEL)selector
{
#if defined(OF_OBJFW_RUNTIME)
	const char *ret;

	if ((ret = objc_get_type_encoding(self, selector)) == NULL)
		@throw [OFNotImplementedException exceptionWithClass: self
							    selector: selector];

	return ret;
#elif defined(OF_OLD_GNU_RUNTIME)
	Method_t m;

	if ((m = class_get_instance_method(self, selector)) == NULL ||
	    m->method_types == NULL)
		@throw [OFNotImplementedException exceptionWithClass: self
							    selector: selector];

	return m->method_types;
#else
	Method m;
	const char *ret;

	if ((m = class_getInstanceMethod(self, selector)) == NULL ||
	    (ret = method_getTypeEncoding(m)) == NULL)
		@throw [OFNotImplementedException exceptionWithClass: self

{
#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];

{
#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];

		     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
{
	Class superclass = [self superclass];

	if ([self isSubclassOfClass: class])
		return;

#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
	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]);

				       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
{

- (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
		return class_get_class_method(isa, selector) != METHOD_NULL;
#else
	return class_respondsToSelector(isa, selector);
#endif
}

- (BOOL)conformsToProtocol: (Protocol*)protocol
{
	return [isa conformsToProtocol: protocol];
}

- (IMP)methodForSelector: (SEL)selector
{
#if defined(OF_OBJFW_RUNTIME) || defined(OF_OLD_GNU_RUNTIME)
	return objc_msg_lookup(self, selector);
#else
	return class_getMethodImplementation(isa, selector);
#endif
}

- (id)performSelector: (SEL)selector

	const char *ret;

	if ((ret = objc_get_type_encoding(isa, selector)) == NULL)
		@throw [OFNotImplementedException exceptionWithClass: isa
							    selector: selector];

	return ret;
#elif defined(OF_OLD_GNU_RUNTIME)
	Method_t m;

	if ((m = class_get_instance_method(isa, selector)) == NULL ||
	    m->method_types == NULL)
		@throw [OFNotImplementedException exceptionWithClass: isa
							    selector: selector];

	return m->method_types;
#else
	Method m;
	const char *ret;

	if ((m = class_getInstanceMethod(isa, selector)) == NULL ||
	    (ret = method_getTypeEncoding(m)) == NULL)
		@throw [OFNotImplementedException exceptionWithClass: isa

#ifndef _WIN32
# include <unistd.h>
# include <sched.h>
#else
# include <windows.h>
#endif

#if defined(OF_GNU_RUNTIME) || defined(OF_OLD_GNU_RUNTIME)
# import <objc/thr.h>
#endif

#import "OFThread.h"
#import "OFList.h"
#import "OFDate.h"
#import "OFAutoreleasePool.h"

#import "OFConditionBroadcastFailedException.h"
#import "OFConditionSignalFailedException.h"

static of_tlskey_t threadSelf;

static id
call_main(id object)
{
	OFThread *thread = (OFThread*)object;

#if defined(OF_GNU_RUNTIME) || defined(OF_OLD_GNU_RUNTIME)
	objc_thread_add();
#endif

	if (!of_tlskey_set(threadSelf, thread))
		@throw [OFInitializationFailedException
		    exceptionWithClass: [thread class]];

	/*
	 * Nasty workaround for thread implementations which can't return a
	 * value on join.

	thread->running = OF_THREAD_WAITING_FOR_JOIN;

	[OFTLSKey callAllDestructors];
	[OFAutoreleasePool _releaseAll];

	[thread release];

#if defined(OF_GNU_RUNTIME) || defined(OF_OLD_GNU_RUNTIME)
	objc_thread_remove();
#endif

	return 0;
}

@implementation OFThread
#if defined(OF_HAVE_PROPERTIES) && defined(OF_HAVE_BLOCKS)
@synthesize block;
#endif

	}

	[OFTLSKey callAllDestructors];
	[OFAutoreleasePool _releaseAll];

	[thread release];

#if defined(OF_GNU_RUNTIME) || defined(OF_OLD_GNU_RUNTIME)
	objc_thread_remove();
#endif

	of_thread_exit();
}

- initWithObject: (id)object_
{
	self = [super init];

 */

#import "OFObject.h"

#include <stddef.h>
#include <stdint.h>

#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
# import <objc/runtime.h>
#elif defined(OF_OLD_GNU_RUNTIME)
# import <objc/objc-api.h>
#endif

#ifdef _PSP
# define INTMAX_MAX LONG_LONG_MAX
#endif

#ifdef __GNUC__

# elif defined(__ppc__) || defined(__PPC__)
#  define OF_PPC_ASM
# elif defined(__arm__) || defined(__ARM__)
#  define OF_ARM_ASM
# endif
#endif

#if defined(OF_OLD_GNU_RUNTIME) || defined(OF_OBJFW_RUNTIME)
# define objc_lookUpClass objc_lookup_class
#endif

#ifdef OF_OLD_GNU_RUNTIME
# define class_getInstanceSize class_get_instance_size
# define class_getName class_get_class_name
# define class_getSuperclass class_get_super_class
# define sel_getName sel_get_name
# define sel_registerName sel_get_uid
#endif

#ifndef _WIN32
# define OF_PATH_DELIMITER '/'
#else
# define OF_PATH_DELIMITER '\\'
#endif

#define OF_IVAR_OFFSET(ivar) ((intptr_t)&ivar - (intptr_t)self)