ObjFW  Check-in [6f4eb004a3]

Overview
Comment:Add support for the new GNU runtime.

Currently, the properties test for nonatomic fails. This is a bug in
the new GNU runtime.

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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 6f4eb004a3185dbf1fba6069be85d76271993fa66e77817db19dda9833d42aaa
User & Date: js on 2010-12-18 23:39:20
Other Links: manifest | tags
Context
2010-12-20
15:12
Documentation improvements. check-in: bf836060fb user: js tags: trunk
2010-12-18
23:39
Add support for the new GNU runtime. check-in: 6f4eb004a3 user: js tags: trunk
2010-12-16
18:22
Allow -Wl,* in objfw-compile. check-in: 12e47e3771 user: js tags: trunk
Changes

Modified configure.ac from [206a8f73e3] to [6b24bd807a].

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AC_PROG_OBJCPP
AC_PROG_LN_S
AC_PROG_INSTALL
AC_PROG_EGREP

CPP="$OBJCPP"
CPPFLAGS="$CPPFLAGS $OBJCPPFLAGS"
OBJCFLAGS="$OBJCFLAGS -Wall -fexceptions"
OBJCFLAGS="$OBJCFLAGS -Wall -fexceptions -fobjc-exceptions"
OBJCFLAGS="$OBJCFLAGS -fconstant-string-class=OFConstantString"

AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"])
AX_CHECK_COMPILER_FLAGS(-fno-common, [OBJCFLAGS="$OBJCFLAGS -fno-common"])
AX_CHECK_COMPILER_FLAGS(-fno-constant-cfstrings, [
	NO_CONST_CFSTRINGS="-fno-constant-cfstrings"
	OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings"
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])

AC_CHECK_HEADERS([objfw-rt.h objc/objc.h])

test x"$ac_cv_header_objfw_rt_h" = x"yes" && objc_runtime="ObjFW-RT"

AS_IF([test x"$ac_cv_header_objc_objc_h" = x"yes"], [
	dnl TODO: This is ugly. Let's think of a better check.
	AC_EGREP_CPP(gnu, [
	AC_EGREP_CPP(yes, [
		#import <objc/objc.h>
		#ifdef __objc_INCLUDE_GNU
		#ifdef __GNU_LIBOBJC__
		gnu
		yes
		#endif
	], [
		test x"$objc_runtime" = "x" && objc_runtime="GNU"
	], [
		dnl TODO: This is ugly. Let's think of a better check.
		AC_EGREP_CPP(yes, [
			#import <objc/objc.h>
			#ifdef __objc_INCLUDE_GNU
			yes
			#endif
		], [
			test x"$objc_runtime" = "x" && objc_runtime="old GNU"
		], [
		objc_runtime="Apple"
			objc_runtime="Apple"
		])
	])
])

AC_MSG_CHECKING(which Objective C runtime we use)
case $objc_runtime in
	ObjFW-RT)
		AC_DEFINE(OF_OBJFW_RUNTIME, 1,
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		LIBS="$LIBS -lobjc"
		;;
	GNU)
		AC_DEFINE(OF_GNU_RUNTIME, 1,
			[Whether we use the GNU ObjC runtime])
		LIBS="$LIBS -lobjc"
		;;
	"old GNU")
		AC_DEFINE(OF_OLD_GNU_RUNTIME, 1,
			[Whether we use the old GNU ObjC runtime])
		LIBS="$LIBS -lobjc"
		;;
	*)
		AC_MSG_RESULT(none)
		AC_MSG_ERROR(No ObjC runtime found! Please install ObjFW-RT!)
		;;
esac
AC_MSG_RESULT($objc_runtime)

Modified src/OFBlock.m from [d6602a5fe7] to [49b08c57ae].

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#import "atomic.h"

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

#if defined(OF_GNU_RUNTIME) || defined(OF_OBJFW_RUNTIME)
#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;

Modified src/OFExceptions.m from [e89fd4d506] to [250b6ae1fd].

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#include "config.h"

#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

#ifdef OF_GNU_RUNTIME
#ifdef OF_OLD_GNU_RUNTIME
# import <objc/objc-api.h>
# define sel_getName(x) sel_get_name(x)
#endif

#import "OFExceptions.h"
#import "OFString.h"
#import "OFTCPSocket.h"

Modified src/OFObject.m from [5f364917f3] to [72f139fc0b].

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#import "OFObject.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "macros.h"

#if defined(OF_OBJFW_RUNTIME)
# import <objfw-rt.h>
#elif defined(OF_APPLE_RUNTIME)
#elif defined(OF_OLD_GNU_RUNTIME)
# import <objc/objc-api.h>
# import <objc/runtime.h>
#elif defined(OF_GNU_RUNTIME)
# import <objc/sarray.h>
#else
# import <objc/objc-api.h>
# import <objc/sarray.h>
# import <objc/runtime.h>
#endif

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

#import "OFString.h"

#ifdef OF_ATOMIC_OPS
# import "atomic.h"
#else
# import "threading.h"
#endif

/* A few macros to reduce #ifdefs */
#ifdef OF_GNU_RUNTIME
#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
#endif

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

#ifdef OF_APPLE_RUNTIME
#if defined(OF_APPLE_RUNTIME) || defined(OF_GNU_RUNTIME)
	objc_setEnumerationMutationHandler(enumeration_mutation_handler);
#endif

#ifndef _WIN32
	if ((of_pagesize = sysconf(_SC_PAGESIZE)) < 1)
		of_pagesize = 4096;
#else
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+ (Class)superclass
{
	return class_getSuperclass(self);
}

+ (BOOL)instancesRespondToSelector: (SEL)selector
{
#ifdef OF_GNU_RUNTIME
#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_GNU_RUNTIME
#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++)
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#endif
}

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

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

	if ((m = class_getInstanceMethod(self, selector)) == NULL ||
	if ((ret = objc_get_type_encoding(self, selector)) == NULL)
	    (ret = method_getTypeEncoding(m)) == NULL)
		@throw [OFNotImplementedException newWithClass: self
						      selector: selector];

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

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

	return m->method_types;
#elif defined(OF_OBJFW_RUNTIME)
#else
	Method m;
	const char *ret;

	if ((ret = objc_get_type_encoding(self, selector)) == NULL)
	if ((m = class_getInstanceMethod(self, selector)) == NULL ||
	    (ret = method_getTypeEncoding(m)) == NULL)
		@throw [OFNotImplementedException newWithClass: self
						      selector: selector];

	return ret;
#endif
}

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{
#if defined(OF_OBJFW_RUNTIME)
	if (newimp == (IMP)0 || !class_respondsToSelector(self->isa, selector))
		@throw [OFInvalidArgumentException newWithClass: self
						       selector: _cmd];

	return objc_replace_class_method(self, selector, newimp);
#elif defined(OF_APPLE_RUNTIME)
#elif defined(OF_OLD_GNU_RUNTIME)
	Method method;

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

	return class_replaceMethod(self->isa, selector, newimp,
	    method_getTypeEncoding(method));
#else
	Method_t method;
	IMP oldimp;

	/* The class method is the instance method of the meta class */
	if ((method = class_get_instance_method(self->class_pointer,
	    selector)) == NULL)
		@throw [OFInvalidArgumentException newWithClass: self
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	/* Update the dtable if necessary */
	if (sarray_get_safe(((Class)self->class_pointer)->dtable,
	    (sidx)method->method_name->sel_id))
		sarray_at_put_safe(((Class)self->class_pointer)->dtable,
		    (sidx)method->method_name->sel_id, method->method_imp);

	return oldimp;
#else
	Method method;

	if (newimp == (IMP)0 ||
	    (method = class_getClassMethod(self, selector)) == NULL)
		@throw [OFInvalidArgumentException newWithClass: 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;
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{
#if defined(OF_OBJFW_RUNTIME)
	if (newimp == (IMP)0 || !class_respondsToSelector(self, selector))
		@throw [OFInvalidArgumentException newWithClass: self
						       selector: _cmd];

	return objc_replace_instance_method(self, selector, newimp);
#elif defined(OF_APPLE_RUNTIME)
#elif defined(OF_OLD_GNU_RUNTIME)
	Method method;

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

	return class_replaceMethod(self, selector, newimp,
	    method_getTypeEncoding(method));
#else
	Method_t method = class_get_instance_method(self, selector);
	IMP oldimp;

	if (method == NULL)
		@throw [OFInvalidArgumentException newWithClass: self
						       selector: _cmd];

	if ((oldimp = method_get_imp(method)) == (IMP)0 || newimp == (IMP)0)
		@throw [OFInvalidArgumentException newWithClass: self
						       selector: _cmd];

	method->method_imp = newimp;

	/* Update the dtable if necessary */
	if (sarray_get_safe(((Class)self)->dtable,
	    (sidx)method->method_name->sel_id))
		sarray_at_put_safe(((Class)self)->dtable,
		    (sidx)method->method_name->sel_id, method->method_imp);

	return oldimp;
#else
	Method method;

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

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

+ (IMP)replaceInstanceMethod: (SEL)selector
	 withMethodFromClass: (Class)class;
{
	IMP newimp;
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			return YES;

	return NO;
}

- (BOOL)respondsToSelector: (SEL)selector
{
#ifdef OF_GNU_RUNTIME
#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
{
#ifdef OF_APPLE_RUNTIME
	return class_getMethodImplementation(isa, selector);
#if defined(OF_OBJFW_RUNTIME) || defined(OF_OLD_GNU_RUNTIME)
	return objc_msg_lookup(self, selector);
#else
	return objc_msg_lookup(self, selector);
	return class_getMethodImplementation(isa, selector);
#endif
}

- (const char*)typeEncodingForSelector: (SEL)selector
{
#if defined(OF_APPLE_RUNTIME)
#if defined(OF_OBJFW_RUNTIME)
	Method m;
	const char *ret;

	if ((m = class_getInstanceMethod(isa, selector)) == NULL ||
	if ((ret = objc_get_type_encoding(isa, selector)) == NULL)
	    (ret = method_getTypeEncoding(m)) == NULL)
		@throw [OFNotImplementedException newWithClass: isa
						      selector: selector];

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

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

	return m->method_types;
#elif defined(OF_OBJFW_RUNTIME)
#else
	Method m;
	const char *ret;

	if ((ret = objc_get_type_encoding(isa, selector)) == NULL)
	if ((m = class_getInstanceMethod(isa, selector)) == NULL ||
	    (ret = method_getTypeEncoding(m)) == NULL)
		@throw [OFNotImplementedException newWithClass: isa
						      selector: selector];

	return ret;
#endif
}

Modified src/objfw-defs.h.in from [24da91ee6d] to [5535a2e37e].

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+



#undef OF_HAVE_POLL
#undef OF_HAVE_PROPERTIES
#undef OF_HAVE_PTHREADS
#undef OF_HAVE_PTHREAD_SPINLOCKS
#undef OF_HAVE_SCHED_YIELD
#undef OF_HAVE_SYS_SELECT_H
#undef OF_OBJFW_RUNTIME
#undef OF_OLD_GNU_RUNTIME
#undef OF_PLUGINS
#undef OF_THREADS
#undef SIZE_MAX

Modified tests/OFBlockTests.m from [3714ef1c3f] to [e76b67d1d2].

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#import "OFString.h"
#import "OFBlock.h"
#import "OFAutoreleasePool.h"
#import "OFExceptions.h"

#if defined(OF_OBJFW_RUNTIME)
# include <objfw-rt.h>
#elif defined(OF_GNU_RUNTIME)
#elif defined(OF_OLD_GNU_RUNTIME)
# include <objc/objc-api.h>
#endif
#if defined(OF_GNU_RUNTIME) || defined(OF_OBJFW_RUNTIME)
#if defined(OF_OLD_GNU_RUNTIME) || defined(OF_OBJFW_RUNTIME)
# define objc_getClass objc_get_class
#endif

#import "TestsAppDelegate.h"

static OFString *module = @"OFBlock";