template for tracking allocations

trace.m

#define SYNTESIZE_TRACE(X) \
@interface Trace##X : X { \
} \
@end \
\
@implementation Trace##X\
\
- (id)retain {\
    NSUInteger oldRetainCount = [super retainCount];\
    id result = [super retain];\
    NSUInteger newRetainCount = [super retainCount];\
    NSLog(@"%@<%@> ++retainCount: %d => %d\n", [self class] , self, oldRetainCount, newRetainCount);\
    NSLog(@"%@\n", [NSThread callStackSymbols]  );\
    return result;\
}\
\
- (void)release {\
    NSUInteger oldRetainCount = [super retainCount];\
    BOOL gonnaDealloc = oldRetainCount == 1;\
    if (gonnaDealloc) {\
        NSLog(@"%@<%@> --retainCount: 1 => 0 (gonna dealloc)\n", [self class] , self);\
        NSLog(@"%@\n", [NSThread callStackSymbols] );\
    }\
    [super release];\
    if (!gonnaDealloc) {\
        NSUInteger newRetainCount = [super retainCount];\
        NSLog(@"%@<%@> --retainCount: %d => %d\n", [self class] , self, oldRetainCount, newRetainCount);\
        NSLog(@"%@\n", [NSThread callStackSymbols] );\
    }\
}\
\
@end