Non functional sample code

Interceptor.m

@implementation Interceptor

+ (IMP)instanceMethodForSelector:(SEL)aSelector {
	NSLog(@"instanceMethodForSelector:");
	IMP result = [super instanceMethodForSelector:aSelector];
	NSLog(@"+[super instanceMethodForSelector:%@] = %p", NSStringFromSelector(aSelector), result);
	
	return result;
}

+ (NSMethodSignature *)instanceMethodSignatureForSelector:(SEL)aSelector {
	NSLog(@"instanceMethodSignatureForSelector:");
	NSMethodSignature *result = [super instanceMethodSignatureForSelector:aSelector];
	NSLog(@"+[super instanceMethodSignatureForSelector:%@] = %@", NSStringFromSelector(aSelector), result);
	
	return result;
}

+ (BOOL)instancesRespondToSelector:(SEL)aSelector {
	NSLog(@"instancesRespondToSelector:");
	BOOL result = [super instancesRespondToSelector:aSelector];
	NSLog(@"+[super instancesRespondToSelector:%@] = %@", NSStringFromSelector(aSelector), @(result));
	
	return result;
}

+ (BOOL)resolveClassMethod:(SEL)sel {
	NSLog(@"resolveClassMethod:");
	BOOL result = [super resolveClassMethod:sel];
	NSLog(@"+[super resolveClassMethod:%@] = %@", NSStringFromSelector(sel), @(result));
	
	return result;
}

+ (BOOL)resolveInstanceMethod:(SEL)sel {
	NSLog(@"resolveInstanceMethod:");
	BOOL result = [super resolveInstanceMethod:sel];
	NSLog(@"+[super resolveInstanceMethod:%@] = %@", NSStringFromSelector(sel), @(result));
	
	return result;
}

- (id)forwardingTargetForSelector:(SEL)aSelector {
	NSLog(@"forwardingTargetForSelector:");
	if (self.next) {
		return self.next;
	} else {
		id superResult =  [super forwardingTargetForSelector:aSelector];
		NSLog(@"Super Forwarding Target: %@", superResult);
		return superResult;
	}
}

- (void)forwardInvocation:(NSInvocation *)anInvocation {
	NSLog(@"forwardInvocation:");
	[super forwardInvocation:anInvocation];
}

- (BOOL)respondsToSelector:(SEL)aSelector {
	NSLog(@"respondsToSelector:");
	BOOL result = [super respondsToSelector:aSelector];
	NSLog(@"[super respondsToSelector:%@] = %@", NSStringFromSelector(aSelector), @(result));
	
	return result;
}

- (IMP)methodForSelector:(SEL)aSelector {
	NSLog(@"methodForSelector:");
	IMP result = [super methodForSelector:aSelector];
	NSLog(@"[super methodForSelector:%@] = %p", NSStringFromSelector(aSelector), result);
	
	return result;
}

- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector {
	NSLog(@"methodSignatureForSelector:");
	NSMethodSignature *result = [super methodSignatureForSelector:aSelector];
	NSLog(@"[super methodSignatureForSelector:%@] = %@", NSStringFromSelector(aSelector), result);
	
	return result;
}

@end