Replace nullability macros with generic annotations.

ParseUI/Classes/Cells/PFCollectionViewCell.h

@@ -23,7 +23,7 @@
 
 #import <ParseUI/ParseUIConstants.h>
 
-PFUI_ASSUME_NONNULL_BEGIN
+NS_ASSUME_NONNULL_BEGIN
 
 @class PFImageView;
 @class PFObject;
@@ -54,8 +54,8 @@ PFUI_ASSUME_NONNULL_BEGIN
 
  @param object An instance of `PFObject` to update from.
  */
-- (void)updateFromObject:(PFUI_NULLABLE PFObject *)object;
+- (void)updateFromObject:(nullable PFObject *)object;
 
 @end
 
-PFUI_ASSUME_NONNULL_END
+NS_ASSUME_NONNULL_END

ParseUI/Classes/Cells/PFPurchaseTableViewCell.h

@@ -24,7 +24,7 @@
 #import <ParseUI/ParseUIConstants.h>
 #import <ParseUI/PFTableViewCell.h>
 
-PFUI_ASSUME_NONNULL_BEGIN
+NS_ASSUME_NONNULL_BEGIN
 
 /*!
  An enum that represents states of the PFPurchaseTableViewCell.
@@ -56,13 +56,13 @@ typedef NS_ENUM(uint8_t, PFPurchaseTableViewCellState) {
 /*!
  @abstract Label where price of the product is displayed.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UILabel *priceLabel;
+@property (nullable, nonatomic, strong, readonly) UILabel *priceLabel;
 
 /*!
  @abstract Progress view that is shown, when the product is downloading.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UIProgressView *progressView;
+@property (nullable, nonatomic, strong, readonly) UIProgressView *progressView;
 
 @end
 
-PFUI_ASSUME_NONNULL_END
+NS_ASSUME_NONNULL_END

ParseUI/Classes/Cells/PFTableViewCell.h

@@ -24,7 +24,7 @@
 #import <ParseUI/ParseUIConstants.h>
 #import <ParseUI/PFImageView.h>
 
-PFUI_ASSUME_NONNULL_BEGIN
+NS_ASSUME_NONNULL_BEGIN
 
 /*!
  The `PFTableViewCell` class represents a table view cell which can download and display remote images stored on Parse.
@@ -39,8 +39,8 @@ PFUI_ASSUME_NONNULL_BEGIN
 
  @see PFImageView
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) PFImageView *imageView;
+@property (nullable, nonatomic, strong, readonly) PFImageView *imageView;
 
 @end
 
-PFUI_ASSUME_NONNULL_END
+NS_ASSUME_NONNULL_END

ParseUI/Classes/LogInViewController/PFLogInView.h

@@ -23,7 +23,7 @@
 
 #import <ParseUI/ParseUIConstants.h>
 
-PFUI_ASSUME_NONNULL_BEGIN
+NS_ASSUME_NONNULL_BEGIN
 
 /*!
  `PFLogInFields` bitmask specifies the log in elements which are enabled in the view.
@@ -84,14 +84,14 @@ typedef NS_OPTIONS(NSInteger, PFLogInFields) {
 
  @discussion Used to lay out elements correctly when the presenting view controller has translucent elements.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, weak) UIViewController *presentingViewController;
+@property (nullable, nonatomic, weak) UIViewController *presentingViewController;
 
 ///--------------------------------------
 /// @name Customizing the Logo
 ///--------------------------------------
 
 /// The logo. By default, it is the Parse logo.
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong) UIView *logo;
+@property (nullable, nonatomic, strong) UIView *logo;
 
 ///--------------------------------------
 /// @name Configure Username Behaviour
@@ -116,57 +116,57 @@ typedef NS_OPTIONS(NSInteger, PFLogInFields) {
 /*!
  @abstract The username text field. It is `nil` if the element is not enabled.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) PFTextField *usernameField;
+@property (nullable, nonatomic, strong, readonly) PFTextField *usernameField;
 
 /*!
  @abstract The password text field. It is `nil` if the element is not enabled.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) PFTextField *passwordField;
+@property (nullable, nonatomic, strong, readonly) PFTextField *passwordField;
 
 /*!
  @abstract The password forgotten button. It is `nil` if the element is not enabled.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UIButton *passwordForgottenButton;
+@property (nullable, nonatomic, strong, readonly) UIButton *passwordForgottenButton;
 
 /*!
  @abstract The log in button. It is `nil` if the element is not enabled.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UIButton *logInButton;
+@property (nullable, nonatomic, strong, readonly) UIButton *logInButton;
 
 /*!
  @abstract The Facebook button. It is `nil` if the element is not enabled.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UIButton *facebookButton;
+@property (nullable, nonatomic, strong, readonly) UIButton *facebookButton;
 
 /*!
  @abstract The Twitter button. It is `nil` if the element is not enabled.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UIButton *twitterButton;
+@property (nullable, nonatomic, strong, readonly) UIButton *twitterButton;
 
 /*!
  @abstract The sign up button. It is `nil` if the element is not enabled.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UIButton *signUpButton;
+@property (nullable, nonatomic, strong, readonly) UIButton *signUpButton;
 
 /*!
  @abstract It is `nil` if the element is not enabled.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UIButton *dismissButton;
+@property (nullable, nonatomic, strong, readonly) UIButton *dismissButton;
 
 /*!
  @abstract The facebook/twitter login label.
 
  @deprecated This property is deprecated and will always be nil.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UILabel *externalLogInLabel __attribute__(PARSE_UI_DEPRECATED("This property is deprecated and will always be nil."));
+@property (nullable, nonatomic, strong, readonly) UILabel *externalLogInLabel __attribute__(PARSE_UI_DEPRECATED("This property is deprecated and will always be nil."));
 
 /*!
  @abstract The sign up label.
 
  @deprecated This property is deprecated and will always be nil.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) UILabel *signUpLabel __attribute__(PARSE_UI_DEPRECATED("This property is deprecated and will always be nil."));
+@property (nullable, nonatomic, strong, readonly) UILabel *signUpLabel __attribute__(PARSE_UI_DEPRECATED("This property is deprecated and will always be nil."));
 
 @end
 
-PFUI_ASSUME_NONNULL_END
+NS_ASSUME_NONNULL_END

ParseUI/Classes/LogInViewController/PFLogInViewController.h

@@ -24,7 +24,7 @@
 #import <ParseUI/ParseUIConstants.h>
 #import <ParseUI/PFLogInView.h>
 
-PFUI_ASSUME_NONNULL_BEGIN
+NS_ASSUME_NONNULL_BEGIN
 
 @class PFSignUpViewController;
 @class PFUser;
@@ -52,7 +52,7 @@ PFUI_ASSUME_NONNULL_BEGIN
 
  @see PFLogInView
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong, readonly) PFLogInView *logInView;
+@property (nullable, nonatomic, strong, readonly) PFLogInView *logInView;
 
 ///--------------------------------------
 /// @name Configuring Log In Behaviors
@@ -63,22 +63,22 @@ PFUI_ASSUME_NONNULL_BEGIN
 
  @see PFLogInViewControllerDelegate
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, weak) id<PFLogInViewControllerDelegate> delegate;
+@property (nullable, nonatomic, weak) id<PFLogInViewControllerDelegate> delegate;
 
 /*!
  @abstract The facebook permissions that Facebook log in requests for.
 
  @discussion If unspecified, the default is basic facebook permissions.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, copy) NSArray *facebookPermissions;
+@property (nullable, nonatomic, copy) NSArray *facebookPermissions;
 
 /*!
  @abstract The sign up controller if sign up is enabled.
 
  @discussion Use this to configure the sign up view, and the transition animation to the sign up view.
  The default is a sign up view with a username, a password, a dismiss button and a sign up button.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, strong) PFSignUpViewController *signUpController;
+@property (nullable, nonatomic, strong) PFSignUpViewController *signUpController;
 
 /*!
  @abstract Whether to prompt for the email as username on the login view.
@@ -162,7 +162,7 @@ shouldBeginLogInWithUsername:(NSString *)username
  @param error `NSError` object representing the error that occured.
  */
 - (void)logInViewController:(PFLogInViewController *)logInController
-    didFailToLogInWithError:(PFUI_NULLABLE NSError *)error;
+    didFailToLogInWithError:(nullable NSError *)error;
 
 /*!
  @abstract Sent to the delegate when the log in screen is cancelled.
@@ -173,4 +173,4 @@ shouldBeginLogInWithUsername:(NSString *)username
 
 @end
 
-PFUI_ASSUME_NONNULL_END
+NS_ASSUME_NONNULL_END

ParseUI/Classes/ProductTableViewController/PFProductTableViewController.h

@@ -24,7 +24,7 @@
 #import <ParseUI/ParseUIConstants.h>
 #import <ParseUI/PFQueryTableViewController.h>
 
-PFUI_ASSUME_NONNULL_BEGIN
+NS_ASSUME_NONNULL_BEGIN
 
 /*!
  `PFProductTableViewController` displays in-app purchase products stored on Parse.
@@ -44,4 +44,4 @@ PFUI_ASSUME_NONNULL_BEGIN
 
 @end
 
-PFUI_ASSUME_NONNULL_END
+NS_ASSUME_NONNULL_END

ParseUI/Classes/QueryCollectionViewController/PFQueryCollectionViewController.h

@@ -23,7 +23,7 @@
 
 #import <ParseUI/ParseUIConstants.h>
 
-PFUI_ASSUME_NONNULL_BEGIN
+NS_ASSUME_NONNULL_BEGIN
 
 @class BFTask;
 @class PFCollectionViewCell;
@@ -50,7 +50,7 @@ PFUI_ASSUME_NONNULL_BEGIN
 /*!
  @abstract The class name of the <PFObject> this collection will use as a datasource.
  */
-@property (PFUI_NULLABLE_PROPERTY nonatomic, copy) IBInspectable NSString *parseClassName;
+@property (nullable, nonatomic, copy) IBInspectable NSString *parseClassName;
 
 /*!
  @abstract Whether the collection should use the default loading view. Default - `YES`.
@@ -89,7 +89,7 @@ PFUI_ASSUME_NONNULL_BEGIN
 
  @returns An initialized `PFQueryCollectionViewController` object or `nil` if the object couldn't be created.
  */
-- (instancetype)initWithClassName:(PFUI_NULLABLE NSString *)className;
+- (instancetype)initWithClassName:(nullable NSString *)className;
 
 /*!
  @abstract Initializes a view controller with a class name of <PFObject> that will be associated with this collection.
@@ -100,7 +100,7 @@ PFUI_ASSUME_NONNULL_BEGIN
  @returns An initialized `PFQueryCollectionViewController` object or `nil` if the object couldn't be created.
  */
 - (instancetype)initWithCollectionViewLayout:(UICollectionViewLayout *)layout
-                                   className:(PFUI_NULLABLE NSString *)className NS_DESIGNATED_INITIALIZER;
+                                   className:(nullable NSString *)className NS_DESIGNATED_INITIALIZER;
 
 ///--------------------------------------
 /// @name Responding to Events
@@ -117,7 +117,7 @@ PFUI_ASSUME_NONNULL_BEGIN
  call [super objectsDidLoad:] in your implementation.
  @param error The Parse error from running the PFQuery, if there was any.
  */
-- (void)objectsDidLoad:(PFUI_NULLABLE NSError *)error NS_REQUIRES_SUPER;
+- (void)objectsDidLoad:(nullable NSError *)error NS_REQUIRES_SUPER;
 
 ///--------------------------------------
 /// @name Accessing Results
@@ -138,17 +138,17 @@ PFUI_ASSUME_NONNULL_BEGIN
 
  @returns The object at the specified indexPath.
  */
-- (PFUI_NULLABLE PFObject *)objectAtIndexPath:(PFUI_NULLABLE NSIndexPath *)indexPath;
+- (nullable PFObject *)objectAtIndexPath:(nullable NSIndexPath *)indexPath;
 
 /*!
  @abstract Removes an object at the specified index path, animated.
  */
-- (void)removeObjectAtIndexPath:(PFUI_NULLABLE NSIndexPath *)indexPath;
+- (void)removeObjectAtIndexPath:(nullable NSIndexPath *)indexPath;
 
 /*!
  @abstract Removes all objects at the specified index paths, animated.
  */
-- (void)removeObjectsAtIndexPaths:(PFUI_NULLABLE NSArray *)indexes;
+- (void)removeObjectsAtIndexPaths:(nullable NSArray *)indexes;
 
 ///--------------------------------------
 /// @name Loading Data
@@ -208,9 +208,9 @@ PFUI_ASSUME_NONNULL_BEGIN
 
  @returns The cell that represents this object.
  */
-- (PFUI_NULLABLE PFCollectionViewCell *)collectionView:(UICollectionView *)collectionView
+- (nullable PFCollectionViewCell *)collectionView:(UICollectionView *)collectionView
                                 cellForItemAtIndexPath:(NSIndexPath *)indexPath
-                                                object:(PFUI_NULLABLE PFObject *)object;
+                                                object:(nullable PFObject *)object;
 
 /*!
  @discussion Override this method to customize the view that allows the user to load the
@@ -220,8 +220,8 @@ PFUI_ASSUME_NONNULL_BEGIN
 
  @returns The view that allows the user to paginate.
  */
-- (PFUI_NULLABLE UICollectionReusableView *)collectionViewReusableViewForNextPageAction:(UICollectionView *)collectionView;
+- (nullable UICollectionReusableView *)collectionViewReusableViewForNextPageAction:(UICollectionView *)collectionView;
 
 @end
 
-PFUI_ASSUME_NONNULL_END
+NS_ASSUME_NONNULL_END