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- /*
- * Created by Phil on 1/08/2012.
- * Copyright 2012 Two Blue Cubes Ltd. All rights reserved.
- *
- * Distributed under the Boost Software License, Version 1.0. (See accompanying
- * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- */
- #ifndef TWOBLUECUBES_CATCH_OBJC_ARC_HPP_INCLUDED
- #define TWOBLUECUBES_CATCH_OBJC_ARC_HPP_INCLUDED
- #import <Foundation/Foundation.h>
- #ifdef __has_feature
- #define CATCH_ARC_ENABLED __has_feature(objc_arc)
- #else
- #define CATCH_ARC_ENABLED 0
- #endif
- void arcSafeRelease( NSObject* obj );
- id performOptionalSelector( id obj, SEL sel );
- #if !CATCH_ARC_ENABLED
- inline void arcSafeRelease( NSObject* obj ) {
- [obj release];
- }
- inline id performOptionalSelector( id obj, SEL sel ) {
- if( [obj respondsToSelector: sel] )
- return [obj performSelector: sel];
- return nil;
- }
- #define CATCH_UNSAFE_UNRETAINED
- #define CATCH_ARC_STRONG
- #else
- inline void arcSafeRelease( NSObject* ){}
- inline id performOptionalSelector( id obj, SEL sel ) {
- #ifdef __clang__
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Warc-performSelector-leaks"
- #endif
- if( [obj respondsToSelector: sel] )
- return [obj performSelector: sel];
- #ifdef __clang__
- #pragma clang diagnostic pop
- #endif
- return nil;
- }
- #define CATCH_UNSAFE_UNRETAINED __unsafe_unretained
- #define CATCH_ARC_STRONG __strong
- #endif
- #endif // TWOBLUECUBES_CATCH_OBJC_ARC_HPP_INCLUDED
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