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* file.
*/
#include "config.h"
#import "OFObject.h"
static SEL cxx_construct = NULL;
static SEL cxx_destruct = NULL;
static SEL constructSel = NULL;
static SEL destructSel = NULL;
static bool
call_ctors(Class cls, id obj)
callConstructors(Class cls, id obj)
{
Class super = class_getSuperclass(cls);
id (*ctor)(id, SEL);
id (*construct)(id, SEL);
id (*last)(id, SEL);
if (super != nil)
if (!call_ctors(super, obj))
if (!callConstructors(super, obj))
return false;
if (cxx_construct == NULL)
cxx_construct = sel_registerName(".cxx_construct");
if (constructSel == NULL)
constructSel = sel_registerName(".cxx_construct");
if (!class_respondsToSelector(cls, cxx_construct))
if (!class_respondsToSelector(cls, constructSel))
return true;
ctor = (id(*)(id, SEL))
class_getMethodImplementation(cls, cxx_construct);
construct = (id(*)(id, SEL))
class_getMethodImplementation(cls, constructSel);
last = (id(*)(id, SEL))
class_getMethodImplementation(super, cxx_construct);
class_getMethodImplementation(super, constructSel);
if (ctor == last)
if (construct == last)
return true;
return (ctor(obj, cxx_construct) != nil);
return (construct(obj, constructSel) != nil);
}
id
objc_constructInstance(Class cls, void *bytes)
{
id obj = (id)bytes;
if (cls == Nil || bytes == NULL)
return nil;
object_setClass(obj, cls);
if (!call_ctors(cls, obj))
if (!callConstructors(cls, obj))
return nil;
return obj;
}
void*
objc_destructInstance(id obj)
{
Class cls;
void (*last)(id, SEL) = NULL;
if (cxx_destruct == NULL)
cxx_destruct = sel_registerName(".cxx_destruct");
if (destructSel == NULL)
destructSel = sel_registerName(".cxx_destruct");
for (cls = object_getClass(obj); cls != Nil;
cls = class_getSuperclass(cls)) {
void (*dtor)(id, SEL);
void (*destruct)(id, SEL);
if (class_respondsToSelector(cls, cxx_destruct)) {
if ((dtor = (void(*)(id, SEL))
if (class_respondsToSelector(cls, destructSel)) {
if ((destruct = (void(*)(id, SEL))
class_getMethodImplementation(cls,
cxx_destruct)) != last)
dtor(obj, cxx_destruct);
destructSel)) != last)
destruct(obj, destructSel);
last = dtor;
last = destruct;
} else
break;
}
return obj;
}
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