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ba31196455
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@32384 72102866-910b-0410-8b05-ffd578937521
61 lines
1.2 KiB
Objective-C
61 lines
1.2 KiB
Objective-C
#import <Foundation/NSObject.h>
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/* Declare the block copy functions ourself so that we don't depend on a
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* specific header location.
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*/
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void *_Block_copy(void *);
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void _Block_release(void *);
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@interface GSBlock : NSObject
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@end
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@implementation GSBlock
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+ (void) load
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{
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unsigned int methodCount;
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Method *m = NULL;
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Method *methods = class_copyMethodList(self, &methodCount);
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id blockClass = objc_lookUpClass("_NSBlock");
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Protocol *nscopying = NULL;
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/* If we don't have an _NSBlock class, we don't have blocks support in the
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* runtime, so give up.
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*/
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if (nil == blockClass)
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{
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return;
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}
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/* Copy all of the methods in this class onto the block-runtime-provided
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* _NSBlock
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*/
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for (m = methods; NULL != *m; m++)
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{
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class_addMethod(blockClass, method_getName(*m),
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method_getImplementation(*m), method_getTypeEncoding(*m));
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}
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nscopying = objc_getProtocol("NSCopying");
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class_addProtocol(blockClass, nscopying);
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}
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- (id) copyWithZone: (NSZone*)aZone
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{
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return _Block_copy(self);
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}
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- (id) copy
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{
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return _Block_copy(self);
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}
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- (id) retain
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{
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return _Block_copy(self);
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}
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- (void) release
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{
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_Block_release(self);
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}
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@end
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