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- // Copyright 2013 The Flutter Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef FLUTTER_FLUTTERMACROS_H_
- #define FLUTTER_FLUTTERMACROS_H_
- #if defined(FLUTTER_FRAMEWORK)
- #define FLUTTER_EXPORT __attribute__((visibility("default")))
- #else // defined(FLUTTER_SDK)
- #define FLUTTER_EXPORT
- #endif // defined(FLUTTER_SDK)
- #ifndef NS_ASSUME_NONNULL_BEGIN
- #define NS_ASSUME_NONNULL_BEGIN _Pragma("clang assume_nonnull begin")
- #define NS_ASSUME_NONNULL_END _Pragma("clang assume_nonnull end")
- #endif // defined(NS_ASSUME_NONNULL_BEGIN)
- /**
- * Indicates that the API has been deprecated for the specified reason. Code
- * that uses the deprecated API will continue to work as before. However, the
- * API will soon become unavailable and users are encouraged to immediately take
- * the appropriate action mentioned in the deprecation message and the BREAKING
- * CHANGES section present in the Flutter.h umbrella header.
- */
- #define FLUTTER_DEPRECATED(msg) __attribute__((__deprecated__(msg)))
- /**
- * Indicates that the previously deprecated API is now unavailable. Code that
- * uses the API will not work and the declaration of the API is only a stub
- * meant to display the given message detailing the actions for the user to take
- * immediately.
- */
- #define FLUTTER_UNAVAILABLE(msg) __attribute__((__unavailable__(msg)))
- #if __has_feature(objc_arc)
- #define FLUTTER_ASSERT_ARC
- #define FLUTTER_ASSERT_NOT_ARC #error ARC must be disabled!
- #else
- #define FLUTTER_ASSERT_ARC #error ARC must be enabled!
- #define FLUTTER_ASSERT_NOT_ARC
- #endif
- #endif // FLUTTER_FLUTTERMACROS_H_
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