dealloc in category

dealloc_in_category.h

#define BEGIN_DEALLOC_CATEGORY + (void)load {\
        SEL originalSelector = NSSelectorFromString(@"dealloc");\
        SEL overrideSelector = @selector(__dealloc__);\
        Method originalMethod = class_getInstanceMethod(self, originalSelector);\
        Method overrideMethod = class_getInstanceMethod(self, overrideSelector);\
        if (class_addMethod(self, originalSelector, method_getImplementation(overrideMethod), method_getTypeEncoding(overrideMethod))) {\
            class_replaceMethod(self, overrideSelector, method_getImplementation(originalMethod), method_getTypeEncoding(originalMethod));\
        } else {\
            method_exchangeImplementations(originalMethod, overrideMethod);\
        }\
    }\
\
- (void)__dealloc__{\

#define END_DEALLOC_CATEGORY }