Add the 3.3.3 sources for class-dump.

class-dump/src/CDTopoSortNode.h

+// -*- mode: ObjC -*-
+
+//  This file is part of class-dump, a utility for examining the Objective-C segment of Mach-O files.
+//  Copyright (C) 1997-1998, 2000-2001, 2004-2010 Steve Nygard.
+
+#import <Foundation/Foundation.h>
+#import "CDTopologicalSortProtocol.h"
+
+typedef enum {
+    CDWhiteNodeColor = 0,
+    CDGrayNodeColor = 1,
+    CDBlackNodeColor = 2,
+} CDNodeColor;
+
+@interface CDTopoSortNode : NSObject
+{
+    id <CDTopologicalSort> sortableObject;
+
+    NSMutableSet *dependancies;
+    CDNodeColor color;
+}
+
+- (id)initWithObject:(id <CDTopologicalSort>)anObject;
+- (void)dealloc;
+
+- (NSString *)identifier;
+- (id <CDTopologicalSort>)sortableObject;
+
+- (NSArray *)dependancies;
+- (void)addDependancy:(NSString *)anIdentifier;
+- (void)removeDependancy:(NSString *)anIdentifier;
+- (void)addDependanciesFromArray:(NSArray *)identifiers;
+
+- (CDNodeColor)color;
+- (void)setColor:(CDNodeColor)newColor;
+
+- (NSString *)description;
+
+- (NSComparisonResult)ascendingCompareByIdentifier:(id)otherNode;
+- (void)topologicallySortNodes:(NSDictionary *)nodesByIdentifier intoArray:(NSMutableArray *)sortedArray;
+
+@end