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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>
#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;
if ((m = class_getInstanceMethod(self, selector)) == NULL ||
if ((ret = objc_get_type_encoding(self, selector)) == NULL)
(ret = method_getTypeEncoding(m)) == NULL)
#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
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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
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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;
if ((m = class_getInstanceMethod(isa, selector)) == NULL ||
if ((ret = objc_get_type_encoding(isa, selector)) == NULL)
(ret = method_getTypeEncoding(m)) == NULL)
#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
}
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