int main()
{
Class myClass = objc_getClass("Object");
id nilClass = class_createInstance(Nil, 0);
id testOne = class_createInstance (myClass, 0);
/*
testassert(obj->isa == [Fake class]);
testassert(object_setClass(obj, [Super class]) == [Fake class]);
testassert(obj->isa == [Super class]);
testassert(object_setClass(nil, [Super class]) == nil);
testassert(object_getClass(obj) == buf[0]);
testassert(object_getClass([Super class]) == [Super class]->isa);
testassert(object_getClass(nil) == Nil);
testassert(0 == strcmp(object_getClassName(obj), "Super"));
testassert(0 == strcmp(object_getClassName([Super class]), "Super"));
testassert(0 == strcmp(object_getClassName(nil), "nil"));
testassert(0 == strcmp(class_getName([Super class]), "Super"));
testassert(0 == strcmp(class_getName([Super class]->isa), "Super"));
testassert(0 == strcmp(class_getName(nil), "nil"));
succeed(__FILE__);
*/
fprintf (stderr, "Done\n");
}
void applicationdidFinishLaunching(void *receiver, struct objc_selector *selector, void *application) {
Class windowClass = (Class) objc_getClass("UIWindow");
void * windowInstance = class_createInstance(windowClass, 0);
objc_msgSend(windowInstance, sel_registerName("initWithFrame:"),(Rect){0,0,320,480});
//Make Key and Visiable
objc_msgSend(windowInstance, sel_registerName("makeKeyAndVisible"));
//Create Table View
Class TableViewController = (Class) objc_getClass("UITableViewController");
void *tableViewController = class_createInstance(TableViewController, 0);
objc_msgSend(tableViewController, sel_registerName("init"));
void *tableView = objc_msgSend(tableViewController, sel_registerName("tableView"));
objc_msgSend(tableView, sel_registerName("setDataSource:"),createDataSource());
objc_msgSend(tableView, sel_registerName("setDelegate:"),createDelegate());
Class NavController = (Class) objc_getClass("UINavigationController");
navController = class_createInstance(NavController, 0);
objc_msgSend(navController, sel_registerName("initWithRootViewController:"),tableViewController);
void *view = objc_msgSend(navController, sel_registerName("view"));
//Add Table View To Window
objc_msgSend(windowInstance, sel_registerName("addSubview:"),view);
}
void * createDelegate() {
Class superclass = (Class) objc_getClass("NSObject");
Class DataSource = objc_allocateClassPair(superclass, "Delegate", 0);
class_addMethod(DataSource, sel_registerName("tableView:didSelectRowAtIndexPath:"), (void(*))tableView_didSelectRowAtIndexPath, nil);
objc_registerClassPair(DataSource);
return class_createInstance(DataSource, 0);
}
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;
}
Protocol *objc_allocateProtocol(const char *name)
{
if (objc_getProtocol(name) != NULL) { return NULL; }
Protocol *p = (Protocol*)class_createInstance((Class)incompleteProtocolClass(), 0);
p->name = strdup(name);
return p;
}
void *createDataSource() {
Class superclass = (Class) objc_getClass("NSObject");
Class DataSource = objc_allocateClassPair(superclass, "DataSource", 0);
class_addMethod(DataSource, sel_registerName("tableView:numberOfRowsInSection:"), (void(*))tableView_numberOfRowsInSection, nil);
class_addMethod(DataSource, sel_registerName("tableView:cellForRowAtIndexPath:"), (void(*))tableView_cellForRowAtIndexPath, nil);
objc_registerClassPair(DataSource);
return class_createInstance(DataSource, 0);
}
void tableView_didSelectRowAtIndexPath(void *receiver, struct objc_selector *selector, void *tblview, void *indexPath) {
Class ViewController = (Class) objc_getClass("UIViewController");
void * vc = class_createInstance(ViewController, 0);
objc_msgSend(vc, sel_registerName("init"));
char buffer[8];
int row = (int) objc_msgSend(indexPath, sel_registerName("row"));
sprintf (buffer, "Item %d", row);
void *label = objc_msgSend(objc_getClass("NSString"), sel_registerName("stringWithUTF8String:"),buffer);
objc_msgSend(vc, sel_registerName("setTitle:"),label);
objc_msgSend(navController, sel_registerName("pushViewController:animated:"),vc,1);
}
void *tableView_cellForRowAtIndexPath(void *receiver, struct objc_selector *selector, void *tblview, void *indexPath) {
Class TableViewCell = (Class) objc_getClass("UITableViewCell");
void *cell = class_createInstance(TableViewCell, 0);
objc_msgSend(cell, sel_registerName("init"));
char buffer[7];
int row = (int) objc_msgSend(indexPath, sel_registerName("row"));
sprintf (buffer, "Row %d", row);
void *label = objc_msgSend(objc_getClass("NSString"), sel_registerName("stringWithUTF8String:"),buffer);
objc_msgSend(cell, sel_registerName("setText:"),label);
return cell;
}
id objc_allocate_object(Class cls, int extra)
{
return class_createInstance(cls, extra);
}