Even more debug code for _scrollViewDidChangeBounds

Since SPTableView and SPCopyTable seem to be the cause behind the majority of crashes let's take a closer look at them.

Source/SPObjectAdditions.m

@@ -30,6 +30,7 @@

#import <objc/runtime.h>
static NSMutableDictionary *gScrollViewListeners;
static NSMutableDictionary *gScrollViewDealloc;

@implementation NSObject (SPObjectAdditions)

@@ -97,7 +98,10 @@ - (void)_scrollViewDidChangeBounds:(id)obj
	
	NSString *key = [NSString stringWithFormat:@"snd=%p,obs=%p",obj,self];
	
	[msg appendFormat:@"registration info for pair (%@):\n %@",key,[gScrollViewListeners objectForKey:key]];
	[msg appendFormat:@"registration info for pair (%@):\n %@\n\n",key,[gScrollViewListeners objectForKey:key]];
	
	NSString *deallocKey = [NSString stringWithFormat:@"=%p",self];
	[msg appendFormat:@"self %@ was originally dealloc'ed at:\n %@",deallocKey,[gScrollViewDealloc objectForKey:deallocKey]];
	
	@throw [NSException exceptionWithName:NSInternalInconsistencyException reason:msg userInfo:nil];
}
@@ -144,4 +148,41 @@ - (void)sp_addObserver:(id)notificationObserver selector:(SEL)notificationSelect
	[self sp_addObserver:notificationObserver selector:notificationSelector name:notificationName object:notificationSender];
}

@end

#import "SPTableView.h"

@implementation SPTableView (SPScrollViewDebug)

+ (void)load
{
	static dispatch_once_t onceToken;
	
	dispatch_once(&onceToken, ^{
		gScrollViewDealloc = [[NSMutableDictionary alloc] init];
		
		Class tableView = [self class];
		
		SEL orig = @selector(dealloc);
		SEL exch = @selector(sp_dealloc);
		
		Method origM = class_getInstanceMethod(tableView, orig);
		Method exchM = class_getInstanceMethod(tableView, exch);
		
		method_exchangeImplementations(origM, exchM);
	});
}

- (void)sp_dealloc
{
	NSString *key = [NSString stringWithFormat:@"=%p",self];
	NSString *val = [NSString stringWithFormat:@"\ndealloc backtrace:\n%@\n\n",[NSThread callStackSymbols]];
	
	[gScrollViewDealloc setObject:val forKey:key];
	
	// not recursive! method is swizzled.
	[self sp_dealloc];
}


@end

Source/SPTableView.m

@@ -61,6 +61,11 @@ - (id) init
	return self;
}

- (void)dealloc
{
	[super dealloc];
}

- (void) awakeFromNib
{
	[super setDoubleAction:@selector(_doubleClickAction)];