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#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"
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#import "OFMemoryNotPartOfObjectException.h"
#import "OFNotImplementedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
#if (defined(OF_APPLE_RUNTIME) && __OBJC2__)
# import <objc/objc-exception.h>
#elif defined(OF_OBJFW_RUNTIME)
# import "runtime.h"
#endif
#ifdef _WIN32
# include <windows.h>
#endif
#import "OFString.h"
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# 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
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# 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))
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__)
static void
uncaught_exception_handler(id exception)
{
fprintf(stderr, "\nUnhandled exception:\n%s\n",
[[exception description] UTF8String]);
}
#endif
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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
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void
objc_enumerationMutation(id object)
{
enumeration_mutation_handler(object);
}
#endif
const char*
_NSPrintForDebugger(id object)
{
return [[object description]
cStringWithEncoding: OF_STRING_ENCODING_NATIVE];
}
/* References for static linking */
void _references_to_categories_of_OFObject(void)
{
_OFObject_Serialization_reference = 1;
}
@implementation OFObject
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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
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if (!objc_properties_init()) {
fputs("Runtime error: objc_properties_init() failed!\n",
stderr);
abort();
}
#endif
#if (defined(OF_APPLE_RUNTIME) && __OBJC2__)
objc_setUncaughtExceptionHandler(uncaught_exception_handler);
#endif
#ifdef HAVE_OBJC_ENUMERATIONMUTATION
objc_setEnumerationMutationHandler(enumeration_mutation_handler);
#endif
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+ (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
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+ (Class)superclass
{
return class_getSuperclass(self);
}
+ (BOOL)instancesRespondToSelector: (SEL)selector
{
return class_respondsToSelector(self, selector);
}
+ (BOOL)conformsToProtocol: (Protocol*)protocol
{
Class c;
for (c = self; c != Nil; c = class_getSuperclass(c))
if (class_conformsToProtocol(c, protocol))
return YES;
return NO;
}
+ (IMP)instanceMethodForSelector: (SEL)selector
{
#if defined(OF_OBJFW_RUNTIME)
return objc_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;
#else
Method m;
const char *ret;
if ((m = class_getInstanceMethod(self, selector)) == NULL ||
(ret = method_getTypeEncoding(m)) == NULL)
@throw [OFNotImplementedException exceptionWithClass: self
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{
#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];
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{
#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);
#else
Method method;
if (newImp == (IMP)0 ||
(method = class_getClassMethod(self, selector)) == NULL)
@throw [OFInvalidArgumentException exceptionWithClass: self
selector: _cmd];
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{
#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];
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{
#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);
#else
Method method;
if (newImp == (IMP)0 ||
(method = class_getInstanceMethod(self, selector)) == NULL)
@throw [OFInvalidArgumentException exceptionWithClass: self
selector: _cmd];
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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]);
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forInstanceMethod: selector];
}
+ (BOOL)addInstanceMethod: (SEL)selector
withTypeEncoding: (const char*)typeEncoding
implementation: (IMP)implementation
{
#if defined(OF_APPLE_RUNTIME)
return class_addMethod(self, selector, implementation, typeEncoding);
#endif
}
+ (BOOL)addClassMethod: (SEL)selector
withTypeEncoding: (const char*)typeEncoding
implementation: (IMP)implementation
{
#if defined(OF_APPLE_RUNTIME)
return class_addMethod(((OFObject*)self)->isa, selector, implementation,
typeEncoding);
#endif
}
+ (void)inheritMethodsFromClass: (Class)class
{
Class superclass = [self superclass];
if ([self isSubclassOfClass: class])
return;
#if defined(OF_APPLE_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]);
|
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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
{
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withTypeEncoding: typeEncoding
implementation: implementation];
}
}
} @finally {
free(methodList);
}
#else
/* FIXME */
#endif
[self inheritMethodsFromClass: [class superclass]];
}
- init
{
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- (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
|
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- (BOOL)isMemberOfClass: (Class)class
{
return (isa == class);
}
- (BOOL)respondsToSelector: (SEL)selector
{
return class_respondsToSelector(isa, selector);
}
- (BOOL)conformsToProtocol: (Protocol*)protocol
{
return [isa conformsToProtocol: protocol];
}
- (IMP)methodForSelector: (SEL)selector
{
#if defined(OF_OBJFW_RUNTIME)
return objc_msg_lookup(self, selector);
#else
return class_getMethodImplementation(isa, selector);
#endif
}
- (id)performSelector: (SEL)selector
|
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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
|
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const char *ret;
if ((ret = objc_get_type_encoding(isa, selector)) == NULL)
@throw [OFNotImplementedException exceptionWithClass: isa
selector: selector];
return ret;
#else
Method m;
const char *ret;
if ((m = class_getInstanceMethod(isa, selector)) == NULL ||
(ret = method_getTypeEncoding(m)) == NULL)
@throw [OFNotImplementedException exceptionWithClass: isa
|
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