ObjFW  Check-in [16ba7ec477]

		AC_CHECK_LIB(objc, objc_msgSend, [
			LIBS="-lobjc $LIBS"
		], [
			AC_MSG_ERROR([libobjc not found!])
		])
		;;
esac

AC_CHECK_FUNC(objc_constructInstance, [], [
	AC_SUBST(INSTANCE_M, "instance.m")
])

AC_CHECK_FUNC(objc_autoreleasePoolPush, [], [
	AC_SUBST(AUTORELEASE_M, "autorelease.m")
])

AC_CHECK_FUNC(objc_enumerationMutation, [
	AC_DEFINE(HAVE_OBJC_ENUMERATIONMUTATION, 1,

ATOMIC_H = @ATOMIC_H@
BIN_PREFIX = @BIN_PREFIX@
EXCEPTIONS_A = @EXCEPTIONS_A@
EXCEPTIONS_EXCEPTIONS_A = @EXCEPTIONS_EXCEPTIONS_A@
EXCEPTIONS_EXCEPTIONS_LIB_A = @EXCEPTIONS_EXCEPTIONS_LIB_A@
EXCEPTIONS_LIB_A = @EXCEPTIONS_LIB_A@
FOUNDATION_COMPAT_M = @FOUNDATION_COMPAT_M@
INSTANCE_M = @INSTANCE_M@
LOOKUP_S = @LOOKUP_S@
MACH_ALIAS_LIST = @MACH_ALIAS_LIST@
OFBLOCKTESTS_M = @OFBLOCKTESTS_M@
OBJC_PROPERTIES_M = @OBJC_PROPERTIES_M@
OBJC_SYNC_M = @OBJC_SYNC_M@
OFHTTPREQUESTTESTS_M = @OFHTTPREQUESTTESTS_M@
OFPLUGIN_M = @OFPLUGIN_M@

	    OFJSONRepresentation.h	\
	    OFSerialization.h		\
	    OFTLSSocket.h		\
	    ObjFW.h			\
	    asprintf.h			\
	    autorelease.h		\
	    ${ATOMIC_H}			\
	    instance.h			\
	    macros.h			\
	    objfw-defs.h		\
	    ${THREADING_H}

SRCS += OFArray_adjacent.m		\
	OFArray_adjacentSubarray.m	\
	${AUTORELEASE_M}		\
	${INSTANCE_M}			\
	OFCountedSet_hashtable.m	\
	OFDictionary_hashtable.m	\
	OFMutableArray_adjacent.m	\
	OFMutableDictionary_hashtable.m	\
	OFMutableSet_hashtable.m	\
	OFMutableString_UTF8.m		\
	OFSet_hashtable.m		\

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

#import "OFString.h"

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

struct pre_ivar {

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#ifdef __cplusplus
extern "C" {
#endif
extern id objc_constructInstance(Class, void*);
extern void* objc_destructInstance(id);
#ifdef __cplusplus
}
#endif

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012
 *   Jonathan Schleifer <js@webkeks.org>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFObject.h"

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

static void __attribute__((constructor))
init(void)
{
	if (cxx_construct == NULL)
		cxx_construct = sel_registerName(".cxx_construct");
	if (cxx_destruct == NULL)
		cxx_destruct = sel_registerName(".cxx_destruct");
}

id
objc_constructInstance(Class cls, void *bytes)
{
	id obj = (id)bytes;
	BOOL (*last)(id, SEL) = NULL;

	if (cls == Nil || bytes == NULL)
		return nil;

	object_setClass(obj, cls);

	/* FIXME: Constructors of superclasses should be called first */
	for (; cls != Nil; cls = class_getSuperclass(cls)) {
		BOOL (*ctor)(id, SEL);

		if (class_respondsToSelector(cls, cxx_construct)) {
			if ((ctor = (BOOL(*)(id, SEL))
			    class_getMethodImplementation(cls,
			    cxx_construct)) != last)
				if (!ctor(obj, cxx_construct))
					return nil;

			last = ctor;
		} else
			break;
	}

	return obj;
}

void*
objc_destructInstance(id obj)
{
	Class cls;
	void (*last)(id, SEL) = NULL;

	for (cls = object_getClass(obj); cls != Nil;
	    cls = class_getSuperclass(cls)) {
		void (*dtor)(id, SEL);

		if (class_respondsToSelector(cls, cxx_destruct)) {
			if ((dtor = (void(*)(id, SEL))
			    class_getMethodImplementation(cls,
			    cxx_destruct)) != last)
				dtor(obj, cxx_destruct);

			last = dtor;
		} else
			break;
	}

	return obj;
}

#import "runtime-private.h"

static struct objc_hashtable *classes = NULL;
static Class *load_queue = NULL;
static size_t load_queue_cnt = 0;
static struct objc_sparsearray *empty_dtable = NULL;




static void
register_class(struct objc_abi_class *cls)
{
	if (classes == NULL)
		classes = objc_hashtable_new(2);

	objc_hashtable_set(classes, cls->name, cls);

}

void
objc_register_all_classes(struct objc_abi_symtab *symtab)
{
	uint_fast32_t i;






	for (i = 0; i < symtab->cls_def_cnt; i++) {
		struct objc_abi_class *cls =
		    (struct objc_abi_class*)symtab->defs[i];

		register_class(cls);
		register_selectors(cls);
		register_selectors(cls->metaclass);

	objc_update_dtable(cls);

	objc_global_mutex_unlock();

	return (IMP)nil;
}























































static void
free_class(Class rcls)
{
	struct objc_abi_class *cls = (struct objc_abi_class*)rcls;

	if (rcls->subclass_list != NULL) {
		free(rcls->subclass_list);