id object_copy(id obj, size_t size)
{
Class cls = object_getClass(obj);
id cpy = class_createInstance(cls, size - class_getInstanceSize(cls));
memcpy(((char*)cpy + sizeof(id)), ((char*)obj + sizeof(id)), size - sizeof(id));
return cpy;
}
OBJCRT_EXPORT void* object_getIndexedIvars(id obj) {
return (void*)((uint8_t*)obj + OBJC_ID_PADDED(class_getInstanceSize(object_getClass(obj))));
}
void ConvertIvarList(Class c, const ivar_list_t* list)
{
LOG << list->count << " ivars within\n";
for (size_t i = 0; i < list->count; i++)
{
auto* v = &list->ivar_list[i];
int align = __builtin_ffs(v->alignment) - 1;
LOG << "Ivar: name: " << v->name << "; type: " << v->type << "; offset: " << *v->offset << "; size: " << v->size << "; alignment: " << v->alignment << std::endl;
class_addIvar(c, v->name, v->size, v->alignment, v->type);
Ivar ivar = class_getInstanceVariable(c, v->name);
if (ivar)
{
*v->offset = ivar_getOffset(ivar);
LOG << "Ivar registered, ivar_getOffset() = " << ivar_getOffset(ivar) << " in " << class_getInstanceSize(c) << std::endl;
}
assert(ivar != nullptr);
// assert(ivar_getOffset(ivar) == *v->offset);
}
}