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