// RUN: %clang_analyze_cc1 -fblocks -analyzer-checker=osx.cocoa.MissingSuperCall -verify -Wno-objc-root-class %s // Define used Classes @protocol NSObject - (id)retain; - (oneway void)release; @end @interface NSObject {} - (id)init; + (id)alloc; @end typedef char BOOL; typedef double NSTimeInterval; typedef enum UIViewAnimationOptions { UIViewAnimationOptionLayoutSubviews = 1 << 0 } UIViewAnimationOptions; @interface NSCoder : NSObject {} @end // Define the Superclasses for our Checks @interface UIViewController : NSObject {} - (void)addChildViewController:(UIViewController *)childController; - (void)viewDidAppear:(BOOL)animated; - (void)viewDidDisappear:(BOOL)animated; - (void)viewDidUnload; - (void)viewDidLoad; - (void)viewWillUnload; - (void)viewWillAppear:(BOOL)animated; - (void)viewWillDisappear:(BOOL)animated; - (void)didReceiveMemoryWarning; - (void)removeFromParentViewController; - (void)transitionFromViewController:(UIViewController *)fromViewController toViewController:(UIViewController *)toViewController duration:(NSTimeInterval)duration options:(UIViewAnimationOptions)options animations:(void (^)(void))animations completion:(void (^)(BOOL finished))completion; @end @interface UIResponder : NSObject {} - (BOOL)resignFirstResponder; @end @interface NSResponder : NSObject {} - (void)restoreStateWithCoder:(NSCoder *)coder; - (void)encodeRestorableStateWithCoder:(NSCoder *)coder; @end @interface NSDocument : NSObject {} - (void)restoreStateWithCoder:(NSCoder *)coder; - (void)encodeRestorableStateWithCoder:(NSCoder *)coder; @end // Checks // Do not warn if UIViewController/*Responder/NSDocument is not our superclass @interface TestA @end @implementation TestA - (void)addChildViewController:(UIViewController *)childController {} - (void)viewDidAppear:(BOOL)animated {} - (void)viewDidDisappear:(BOOL)animated {} - (void)viewDidUnload {} - (void)viewDidLoad {} - (void)viewWillUnload {} - (void)viewWillAppear:(BOOL)animated {} - (void)viewWillDisappear:(BOOL)animated {} - (void)didReceiveMemoryWarning {} - (void)removeFromParentViewController {} - (BOOL)resignFirstResponder { return 0; } - (void)restoreStateWithCoder:(NSCoder *)coder {} - (void)encodeRestorableStateWithCoder:(NSCoder *)coder {} @end // Do not warn for the implementation in the superclass itself. @implementation UIViewController - (void)addChildViewController:(UIViewController *)childController {} - (void)viewDidAppear:(BOOL)animated {} - (void)viewDidDisappear:(BOOL)animated {} - (void)viewDidUnload {} - (void)viewDidLoad {} - (void)viewWillUnload {} - (void)viewWillAppear:(BOOL)animated {} - (void)viewWillDisappear:(BOOL)animated {} - (void)didReceiveMemoryWarning {} - (void)removeFromParentViewController {} - (void)transitionFromViewController:(UIViewController *)fromViewController toViewController:(UIViewController *)toViewController duration:(NSTimeInterval)duration options:(UIViewAnimationOptions)options animations:(void (^)(void))animations completion:(void (^)(BOOL finished))completion {} @end // Warn if UIViewController is our superclass and we do not call super @interface TestB : UIViewController {} @end @implementation TestB - (void)addChildViewController:(UIViewController *)childController { int addChildViewController = 5; for (int i = 0; i < addChildViewController; i++) [self viewDidAppear:i]; } // expected-warning {{The 'addChildViewController:' instance method in UIViewController subclass 'TestB' is missing a [super addChildViewController:] call}} - (void)viewDidAppear:(BOOL)animated {} // expected-warning {{The 'viewDidAppear:' instance method in UIViewController subclass 'TestB' is missing a [super viewDidAppear:] call}} - (void)viewDidDisappear:(BOOL)animated {} // expected-warning {{The 'viewDidDisappear:' instance method in UIViewController subclass 'TestB' is missing a [super viewDidDisappear:] call}} - (void)viewDidUnload {} // expected-warning {{The 'viewDidUnload' instance method in UIViewController subclass 'TestB' is missing a [super viewDidUnload] call}} - (void)viewDidLoad {} // expected-warning {{The 'viewDidLoad' instance method in UIViewController subclass 'TestB' is missing a [super viewDidLoad] call}} - (void)viewWillUnload {} // expected-warning {{The 'viewWillUnload' instance method in UIViewController subclass 'TestB' is missing a [super viewWillUnload] call}} - (void)viewWillAppear:(BOOL)animated {} // expected-warning {{The 'viewWillAppear:' instance method in UIViewController subclass 'TestB' is missing a [super viewWillAppear:] call}} - (void)viewWillDisappear:(BOOL)animated {} // expected-warning {{The 'viewWillDisappear:' instance method in UIViewController subclass 'TestB' is missing a [super viewWillDisappear:] call}} - (void)didReceiveMemoryWarning {} // expected-warning {{The 'didReceiveMemoryWarning' instance method in UIViewController subclass 'TestB' is missing a [super didReceiveMemoryWarning] call}} - (void)removeFromParentViewController {} // expected-warning {{The 'removeFromParentViewController' instance method in UIViewController subclass 'TestB' is missing a [super removeFromParentViewController] call}} // Do not warn for methods were it shouldn't - (void)shouldAutorotate {} @end // Do not warn if UIViewController is our superclass but we did call super @interface TestC : UIViewController {} @end @implementation TestC - (BOOL)methodReturningStuff { return 1; } - (void)methodDoingStuff { [super removeFromParentViewController]; } - (void)addChildViewController:(UIViewController *)childController { [super addChildViewController:childController]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; } - (void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; } - (void)viewDidUnload { [super viewDidUnload]; } - (void)viewDidLoad { [super viewDidLoad]; } - (void)viewWillUnload { [super viewWillUnload]; } - (void)viewWillAppear:(BOOL)animated { int i = 0; // Also don't start warning just because we do additional stuff i++; [self viewDidDisappear:i]; [super viewWillAppear:animated]; } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:[self methodReturningStuff]]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; } // We expect a warning here because at the moment the super-call can't be // done from another method. - (void)removeFromParentViewController { [self methodDoingStuff]; } // expected-warning {{The 'removeFromParentViewController' instance method in UIViewController subclass 'TestC' is missing a [super removeFromParentViewController] call}} @end // Do warn for UIResponder subclasses that don't call super @interface TestD : UIResponder {} @end @implementation TestD - (BOOL)resignFirstResponder { return 0; } // expected-warning {{The 'resignFirstResponder' instance method in UIResponder subclass 'TestD' is missing a [super resignFirstResponder] call}} @end // Do not warn for UIResponder subclasses that do the right thing @interface TestE : UIResponder {} @end @implementation TestE - (BOOL)resignFirstResponder { return [super resignFirstResponder]; } @end // Do warn for NSResponder subclasses that don't call super @interface TestF : NSResponder {} @end @implementation TestF - (void)restoreStateWithCoder:(NSCoder *)coder { } // expected-warning {{The 'restoreStateWithCoder:' instance method in NSResponder subclass 'TestF' is missing a [super restoreStateWithCoder:] call}} - (void)encodeRestorableStateWithCoder:(NSCoder *)coder { } // expected-warning {{The 'encodeRestorableStateWithCoder:' instance method in NSResponder subclass 'TestF' is missing a [super encodeRestorableStateWithCoder:] call}} @end // Do not warn for NSResponder subclasses that do the right thing @interface TestG : NSResponder {} @end @implementation TestG - (void)restoreStateWithCoder:(NSCoder *)coder { [super restoreStateWithCoder:coder]; } - (void)encodeRestorableStateWithCoder:(NSCoder *)coder { [super encodeRestorableStateWithCoder:coder]; } @end // Do warn for NSDocument subclasses that don't call super @interface TestH : NSDocument {} @end @implementation TestH - (void)restoreStateWithCoder:(NSCoder *)coder { } // expected-warning {{The 'restoreStateWithCoder:' instance method in NSDocument subclass 'TestH' is missing a [super restoreStateWithCoder:] call}} - (void)encodeRestorableStateWithCoder:(NSCoder *)coder { } // expected-warning {{The 'encodeRestorableStateWithCoder:' instance method in NSDocument subclass 'TestH' is missing a [super encodeRestorableStateWithCoder:] call}} @end // Do not warn for NSDocument subclasses that do the right thing @interface TestI : NSDocument {} @end @implementation TestI - (void)restoreStateWithCoder:(NSCoder *)coder { [super restoreStateWithCoder:coder]; } - (void)encodeRestorableStateWithCoder:(NSCoder *)coder { [super encodeRestorableStateWithCoder:coder]; } @end