Change to ARC and make it works on Xcode 9.x

DCIntrospect/DCCrossHairView.h

@@ -9,7 +9,7 @@
 {
 }
 
-@property (nonatomic, retain) UIColor *color;
+@property (nonatomic, strong) UIColor *color;
 
 - (id)initWithFrame:(CGRect)frame color:(UIColor *)aColor;
 

DCIntrospect/DCCrossHairView.m

@@ -9,11 +9,7 @@
 @implementation DCCrossHairView
 @synthesize color;
 
-- (void)dealloc
-{
-	[color release];
-	[super dealloc];
-}
+
 
 - (id)initWithFrame:(CGRect)frame color:(UIColor *)aColor
 {
@@ -38,6 +34,7 @@ - (void)drawRect:(CGRect)rect
 	CGContextMoveToPoint(context, 0, floorf(self.bounds.size.height / 2.0f) + 0.5f);
 	CGContextAddLineToPoint(context, self.bounds.size.width, floorf(self.bounds.size.height / 2.0f) + 0.5f);
 	CGContextStrokePath(context);
+
 }
 
 @end

DCIntrospect/DCFrameView.h

@@ -23,9 +23,9 @@
 @property (nonatomic, assign) id<DCFrameViewDelegate> delegate;
 @property (nonatomic) CGRect mainRect;
 @property (nonatomic) CGRect superRect;
-@property (nonatomic, retain) UILabel *touchPointLabel;
-@property (nonatomic, retain) NSMutableArray *rectsToOutline;
-@property (nonatomic, retain) DCCrossHairView *touchPointView;
+@property (nonatomic, strong) UILabel *touchPointLabel;
+@property (nonatomic, strong) NSMutableArray *rectsToOutline;
+@property (nonatomic, strong) DCCrossHairView *touchPointView;
 
 ///////////
 // Setup //

DCIntrospect/DCFrameView.m

@@ -16,10 +16,6 @@ @implementation DCFrameView
 - (void)dealloc
 {
 	self.delegate = nil;
-	[touchPointLabel release];
-	[touchPointView release];
-
-	[super dealloc];
 }
 
 #pragma mark - Setup
@@ -33,10 +29,10 @@ - (id)initWithFrame:(CGRect)frame delegate:(id)aDelegate
 		self.backgroundColor = [UIColor clearColor];
 		self.opaque = NO;
 
-		self.touchPointLabel = [[[UILabel alloc] initWithFrame:CGRectZero] autorelease];
+		self.touchPointLabel = [[UILabel alloc] initWithFrame:CGRectZero];
 		self.touchPointLabel.text = @"X 320 Y 480";
 		self.touchPointLabel.font = [UIFont boldSystemFontOfSize:12.0f];
-		self.touchPointLabel.textAlignment = UITextAlignmentCenter;
+		self.touchPointLabel.textAlignment = NSTextAlignmentCenter;
 		self.touchPointLabel.textColor = [UIColor whiteColor];
 		self.touchPointLabel.backgroundColor = [UIColor colorWithWhite:0.0f alpha:0.65f];
 		self.touchPointLabel.layer.cornerRadius = 5.5f;
@@ -46,7 +42,7 @@ - (id)initWithFrame:(CGRect)frame delegate:(id)aDelegate
 
 		self.rectsToOutline = [NSMutableArray array];
 
-		self.touchPointView = [[[DCCrossHairView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 17.0f, 17.0f) color:[UIColor blueColor]] autorelease];
+		self.touchPointView = [[DCCrossHairView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 17.0f, 17.0f) color:[UIColor blueColor]];
 		self.touchPointView.alpha = 0.0f;
 		[self addSubview:self.touchPointView];
 	}
@@ -121,7 +117,7 @@ - (void)drawRect:(CGRect)rect
 
 	UIFont *font = [UIFont systemFontOfSize:10.0f];
 
-	float dash[2] = {3, 3};
+	CGFloat dash[2] = {3, 3};
 	CGContextSetLineDash(context, 0, dash, 2);
 
 	// edge->left side

DCIntrospect/DCIntrospect.h

@@ -31,23 +31,23 @@
 
 @property (nonatomic) BOOL keyboardBindingsOn;									// default: YES
 @property (nonatomic) BOOL showStatusBarOverlay;								// default: YES
-@property (nonatomic, retain) UIGestureRecognizer *invokeGestureRecognizer;		// default: nil
+@property (nonatomic, strong) UIGestureRecognizer *invokeGestureRecognizer;		// default: nil
 
 @property (nonatomic) BOOL on;
 @property (nonatomic) BOOL handleArrowKeys;
 @property (nonatomic) BOOL viewOutlines;
 @property (nonatomic) BOOL highlightNonOpaqueViews;
 @property (nonatomic) BOOL flashOnRedraw;
-@property (nonatomic, retain) DCFrameView *frameView;
-@property (nonatomic, retain) UITextView *inputTextView;
-@property (nonatomic, retain) DCStatusBarOverlay *statusBarOverlay;
+@property (nonatomic, strong) DCFrameView *frameView;
+@property (nonatomic, strong) UITextView *inputTextView;
+@property (nonatomic, strong) DCStatusBarOverlay *statusBarOverlay;
 
-@property (nonatomic, retain) NSMutableDictionary *objectNames;
+@property (nonatomic, strong) NSMutableDictionary *objectNames;
 
 @property (nonatomic, assign) UIView *currentView;
 @property (nonatomic) CGRect originalFrame;
 @property (nonatomic) CGFloat originalAlpha;
-@property (nonatomic, retain) NSMutableArray *currentViewHistory;
+@property (nonatomic, strong) NSMutableArray *currentViewHistory;
 
 @property (nonatomic) BOOL showingHelp;
 
@@ -87,7 +87,7 @@
 
 - (void)logCodeForCurrentViewChanges;
 
-// make sure all names that are added are removed at dealloc or else they will be retained here!
+// make sure all names that are added are removed at dealloc or else they will be stronged here!
 - (void)setName:(NSString *)name forObject:(id)object accessedWithSelf:(BOOL)accessedWithSelf;
 - (NSString *)nameForObject:(id)object;
 - (void)removeNamesForViewsInView:(UIView *)view;

DCIntrospect/DCIntrospect.m

@@ -82,29 +82,29 @@ @implementation DCIntrospect
 
 + (void)load
 {
-	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 
-	NSString *simulatorRoot = [[[NSProcessInfo processInfo] environment] objectForKey:@"IPHONE_SIMULATOR_ROOT"];
-	if (simulatorRoot)
-	{
-		void *AppSupport = dlopen([[simulatorRoot stringByAppendingPathComponent:@"/System/Library/PrivateFrameworks/AppSupport.framework/AppSupport"] fileSystemRepresentation], RTLD_LAZY);
-		CFStringRef (*CPCopySharedResourcesPreferencesDomainForDomain)(CFStringRef domain) = (CFStringRef (*)())dlsym(AppSupport, "CPCopySharedResourcesPreferencesDomainForDomain");
-		if (CPCopySharedResourcesPreferencesDomainForDomain)
-		{
-			CFStringRef accessibilityDomain = CPCopySharedResourcesPreferencesDomainForDomain(CFSTR("com.apple.Accessibility"));
-			if (accessibilityDomain)
-			{
-				// This must be done *before* UIApplicationMain, hence +load
-				CFPreferencesSetValue(CFSTR("ApplicationAccessibilityEnabled"), kCFBooleanTrue, accessibilityDomain, kCFPreferencesAnyUser, kCFPreferencesAnyHost);
-				CFRelease(accessibilityDomain);
-			}
-		}
-	}
-	
-	[pool drain];
+    @autoreleasepool{
+        NSString *simulatorRoot = [[[NSProcessInfo processInfo] environment] objectForKey:@"IPHONE_SIMULATOR_ROOT"];
+        if (simulatorRoot)
+        {
+            void *AppSupport = dlopen([[simulatorRoot stringByAppendingPathComponent:@"/System/Library/PrivateFrameworks/AppSupport.framework/AppSupport"] fileSystemRepresentation], RTLD_LAZY);
+            CFStringRef (*CPCopySharedResourcesPreferencesDomainForDomain)(CFStringRef domain) = (CFStringRef (*)())dlsym(AppSupport, "CPCopySharedResourcesPreferencesDomainForDomain");
+            if (CPCopySharedResourcesPreferencesDomainForDomain)
+            {
+                CFStringRef accessibilityDomain = CPCopySharedResourcesPreferencesDomainForDomain(CFSTR("com.apple.Accessibility"));
+                if (accessibilityDomain)
+                {
+                    // This must be done *before* UIApplicationMain, hence +load
+                    CFPreferencesSetValue(CFSTR("ApplicationAccessibilityEnabled"), kCFBooleanTrue, accessibilityDomain, kCFPreferencesAnyUser, kCFPreferencesAnyHost);
+                    CFRelease(accessibilityDomain);
+                }
+            }
+        }
+    }
 }
 
 static void *originalValueForKeyIMPKey = &originalValueForKeyIMPKey;
+typedef id (* _rIMP)(id,SEL ,...);
 
 id UITextInputTraits_valueForKey(id self, SEL _cmd, NSString *key);
 id UITextInputTraits_valueForKey(id self, SEL _cmd, NSString *key)
@@ -125,14 +125,15 @@ id UITextInputTraits_valueForKey(id self, SEL _cmd, NSString *key)
 	}
 
 	IMP valueForKey = (IMP)[objc_getAssociatedObject([self class], originalValueForKeyIMPKey) pointerValue];
+    _rIMP func = (_rIMP)valueForKey;
 	if ([textInputTraitsProperties containsObject:key])
 	{
-		id textInputTraits = valueForKey(self, _cmd, @"textInputTraits");
-		return valueForKey(textInputTraits, _cmd, key);
+		id textInputTraits = func(self, _cmd, @"textInputTraits");
+		return func(textInputTraits, _cmd, key);
 	}
 	else
 	{
-		return valueForKey(self, _cmd, key);
+		return func(self, _cmd, key);
 	}
 }
 
@@ -186,16 +187,16 @@ - (void)start
 
 	if (!self.statusBarOverlay)
 	{
-		self.statusBarOverlay = [[[DCStatusBarOverlay alloc] init] autorelease];
+		self.statusBarOverlay = [[DCStatusBarOverlay alloc] init] ;
 	}
 
 	if (!self.inputTextView)
 	{
-		self.inputTextView = [[[UITextView alloc] initWithFrame:CGRectZero] autorelease];
+		self.inputTextView = [[UITextView alloc] initWithFrame:CGRectZero];
 		self.inputTextView.delegate = self;
 		self.inputTextView.autocorrectionType = UITextAutocorrectionTypeNo;
 		self.inputTextView.autocapitalizationType = UITextAutocapitalizationTypeNone;
-		self.inputTextView.inputView = [[[UIView alloc] init] autorelease];
+		self.inputTextView.inputView = [[UIView alloc] init];
 		self.inputTextView.scrollsToTop = NO;
 		[mainWindow addSubview:self.inputTextView];
 	}
@@ -236,7 +237,7 @@ - (void)start
 	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(updateViews) name:UIDeviceOrientationDidChangeNotification object:nil];
 
 	if (!self.currentViewHistory)
-		self.currentViewHistory = [[[NSMutableArray alloc] init] autorelease];
+		self.currentViewHistory = [[NSMutableArray alloc] init];
 
 	NSLog(@"DCIntrospect is setup. %@ to start.", [kDCIntrospectKeysInvoke isEqualToString:@" "] ? @"Push the space bar" : [NSString stringWithFormat:@"Type '%@'",  kDCIntrospectKeysInvoke]);
 }
@@ -261,9 +262,8 @@ - (void)setInvokeGestureRecognizer:(UIGestureRecognizer *)newGestureRecognizer
 	UIWindow *mainWindow = [self mainWindow];
 	[mainWindow removeGestureRecognizer:invokeGestureRecognizer];
 
-	[invokeGestureRecognizer release];
 	invokeGestureRecognizer = nil;
-	invokeGestureRecognizer = [newGestureRecognizer retain];
+	invokeGestureRecognizer = newGestureRecognizer;
 	[invokeGestureRecognizer addTarget:self action:@selector(invokeIntrospector)];
 	[mainWindow addGestureRecognizer:invokeGestureRecognizer];
 }
@@ -621,7 +621,7 @@ - (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range r
 			UIView *view = self.currentView;
 			view.tag = view.tag;	// suppress the xcode warning about an unused variable.
 			NSLog(@"DCIntrospect: access current view using local 'view' variable.");
-			DEBUGGER;
+//            DEBUGGER;
 			return NO;
 		}
 
@@ -659,10 +659,12 @@ - (void)logCodeForCurrentViewChanges
 		[outputString appendFormat:@"%@.alpha = %.2f;\n", varName, self.currentView.alpha];
 	}
 
-	if (outputString.length == 0)
-		NSLog(@"DCIntrospect: No changes made to %@.", self.currentView.class);
-	else
-		printf("\n\n%s\n", [outputString UTF8String]);
+    if (outputString.length == 0){
+        NSLog(@"DCIntrospect: No changes made to %@.", self.currentView.class);
+    }else{
+        printf("\n\n%s\n", [outputString UTF8String]);
+    }
+
 }
 
 - (void)setName:(NSString *)name forObject:(id)object accessedWithSelf:(BOOL)accessedWithSelf
@@ -730,7 +732,7 @@ - (void)updateFrameView
 	UIWindow *mainWindow = [self mainWindow];
 	if (!self.frameView)
 	{
-		self.frameView = [[[DCFrameView alloc] initWithFrame:(CGRect){ CGPointZero, mainWindow.frame.size } delegate:self] autorelease];
+		self.frameView = [[DCFrameView alloc] initWithFrame:(CGRect){ CGPointZero, mainWindow.frame.size } delegate:self];
 		[mainWindow addSubview:self.frameView];
 		self.frameView.alpha = 0.0f;
 		[self updateViews];
@@ -774,7 +776,7 @@ - (void)updateStatusBar
 			nameForObject = [nameForObject substringFromIndex:@"self.".length];
 
 		if (self.currentView.tag != 0)
-			self.statusBarOverlay.leftLabel.text = [NSString stringWithFormat:@"%@ (tag: %i)", nameForObject, self.currentView.tag];
+			self.statusBarOverlay.leftLabel.text = [NSString stringWithFormat:@"%@ (tag: %zd)", nameForObject, self.currentView.tag];
 		else
 			self.statusBarOverlay.leftLabel.text = [NSString stringWithFormat:@"%@", nameForObject];
 
@@ -1294,13 +1296,13 @@ - (void)toggleHelp
 	{
 		self.statusBarOverlay.leftLabel.text = @"Help";
 		self.statusBarOverlay.rightLabel.text = @"Any key to close";
-		UIView *backingView = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, mainWindow.frame.size.width, mainWindow.frame.size.height)] autorelease];
+		UIView *backingView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, mainWindow.frame.size.width, mainWindow.frame.size.height)];
 		backingView.tag = 1548;
 		backingView.alpha = 0;
 		backingView.backgroundColor = [UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:0.85f];
 		[mainWindow addSubview:backingView];
 
-		UIWebView *webView = [[[UIWebView alloc] initWithFrame:backingView.frame] autorelease];
+		UIWebView *webView = [[UIWebView alloc] initWithFrame:backingView.frame];
 		webView.opaque = NO;
 		webView.backgroundColor = [UIColor clearColor];
 		webView.delegate = self;
@@ -1560,7 +1562,7 @@ - (NSArray *)subclassesOfClass:(Class)parentClass
     int numClasses = objc_getClassList(NULL, 0);
     Class *classes = NULL;
 
-    classes = malloc(sizeof(Class) * numClasses);
+    classes = (Class *)malloc(sizeof(Class) * numClasses);
     numClasses = objc_getClassList(classes, numClasses);
 
     NSMutableArray *result = [NSMutableArray array];
@@ -1616,7 +1618,7 @@ - (NSMutableArray *)viewsAtPoint:(CGPoint)touchPoint inView:(UIView *)view
 		}
 	}
 
-	return [views autorelease];
+	return views;
 }
 
 - (void)fadeView:(UIView *)view toAlpha:(CGFloat)alpha

DCIntrospect/DCStatusBarOverlay.h

@@ -15,8 +15,8 @@
 {
 }
 
-@property (nonatomic, retain) UILabel *leftLabel;
-@property (nonatomic, retain) UILabel *rightLabel;
+@property (nonatomic, strong) UILabel *leftLabel;
+@property (nonatomic, strong) UILabel *rightLabel;
 
 ///////////
 // Setup //

DCIntrospect/DCStatusBarOverlay.m

@@ -13,10 +13,6 @@ - (void)dealloc
 {
 	[[NSNotificationCenter defaultCenter] removeObserver:self name:UIDeviceOrientationDidChangeNotification object:nil];
 
-	[leftLabel release];
-	[rightLabel release];
-
-	[super dealloc];
 }
 
 #pragma mark Setup
@@ -39,25 +35,24 @@ - (id)init
         UIImageView *backgroundImageView = [[UIImageView alloc] initWithFrame:self.frame];
         backgroundImageView.image = [[UIImage imageNamed:@"statusBarBackground.png"] stretchableImageWithLeftCapWidth:2.0f topCapHeight:0.0f];
         [self addSubview:backgroundImageView];
-        [backgroundImageView release];
 
-		self.leftLabel = [[[UILabel alloc] initWithFrame:CGRectOffset(self.frame, 2.0f, 0.0f)] autorelease];
+		self.leftLabel = [[UILabel alloc] initWithFrame:CGRectOffset(self.frame, 2.0f, 0.0f)];
 		self.leftLabel.backgroundColor = [UIColor clearColor];
-		self.leftLabel.textAlignment = UITextAlignmentLeft;
+		self.leftLabel.textAlignment = NSTextAlignmentLeft;
 		self.leftLabel.font = [UIFont boldSystemFontOfSize:12.0f];
 		self.leftLabel.textColor = [UIColor colorWithWhite:0.97f alpha:1.0f];
 		self.leftLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth;
 		[self addSubview:self.leftLabel];
 
-		self.rightLabel = [[[UILabel alloc] initWithFrame:CGRectOffset(self.frame, -2.0f, 0.0f)] autorelease];
+		self.rightLabel = [[UILabel alloc] initWithFrame:CGRectOffset(self.frame, -2.0f, 0.0f)];
 		self.rightLabel.backgroundColor = [UIColor clearColor];
 		self.rightLabel.font = [UIFont boldSystemFontOfSize:12.0f];
-		self.rightLabel.textAlignment = UITextAlignmentRight;
+		self.rightLabel.textAlignment = NSTextAlignmentRight;
 		self.rightLabel.textColor = [UIColor colorWithWhite:0.9f alpha:1.0f];
 		self.rightLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth;
 		[self addSubview:self.rightLabel];
 
-		UITapGestureRecognizer *gestureRecognizer = [[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapped)] autorelease];
+		UITapGestureRecognizer *gestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapped)] ;
 		[self addGestureRecognizer:gestureRecognizer];
 
 		[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];