61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
|
//
|
||
|
|
// FABAttributes.h
|
||
|
|
// Fabric
|
||
|
|
//
|
||
|
|
// Copyright (C) 2015 Twitter, Inc.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
//
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#define FAB_UNAVAILABLE(x) __attribute__((unavailable(x)))
|
||
|
|
|
||
|
|
#if __has_feature(nullability)
|
||
|
|
#define fab_nullable nullable
|
||
|
|
#define fab_nonnull nonnull
|
||
|
|
#define fab_null_unspecified null_unspecified
|
||
|
|
#define fab_null_resettable null_resettable
|
||
|
|
#define __fab_nullable __nullable
|
||
|
|
#define __fab_nonnull __nonnull
|
||
|
|
#define __fab_null_unspecified __null_unspecified
|
||
|
|
#else
|
||
|
|
#define fab_nullable
|
||
|
|
#define fab_nonnull
|
||
|
|
#define fab_null_unspecified
|
||
|
|
#define fab_null_resettable
|
||
|
|
#define __fab_nullable
|
||
|
|
#define __fab_nonnull
|
||
|
|
#define __fab_null_unspecified
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef NS_ASSUME_NONNULL_BEGIN
|
||
|
|
#define NS_ASSUME_NONNULL_BEGIN
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef NS_ASSUME_NONNULL_END
|
||
|
|
#define NS_ASSUME_NONNULL_END
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The following macros are defined here to provide
|
||
|
|
* backwards compatability. If you are still using
|
||
|
|
* them you should migrate to the new versions that
|
||
|
|
* are defined above.
|
||
|
|
*/
|
||
|
|
#define FAB_NONNULL __fab_nonnull
|
||
|
|
#define FAB_NULLABLE __fab_nullable
|
||
|
|
#define FAB_START_NONNULL NS_ASSUME_NONNULL_BEGIN
|
||
|
|
#define FAB_END_NONNULL NS_ASSUME_NONNULL_END
|