Add the 3.3.3 sources for class-dump.

class-dump/src/CDVisitorPropertyState.m

+// -*- 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 "CDVisitorPropertyState.h"
+
+#import "CDOCProperty.h"
+
+@implementation CDVisitorPropertyState
+
+- (id)initWithProperties:(NSArray *)properties;
+{
+    if ([super init] == nil)
+        return nil;
+
+    propertiesByAccessor = [[NSMutableDictionary alloc] init];
+    propertiesByName = [[NSMutableDictionary alloc] init];
+
+    for (CDOCProperty *property in properties) {
+        //NSLog(@"property: %@, getter: %@, setter: %@", [property name], [property getter], [property setter]);
+        [propertiesByName setObject:property forKey:[property name]];
+        [propertiesByAccessor setObject:property forKey:[property getter]];
+        if ([property isReadOnly] == NO)
+            [propertiesByAccessor setObject:property forKey:[property setter]];
+    }
+
+    return self;
+}
+
+- (void)dealloc;
+{
+    [propertiesByAccessor release];
+    [propertiesByName release];
+
+    [super dealloc];
+}
+
+- (CDOCProperty *)propertyForAccessor:(NSString *)str;
+{
+    return [propertiesByAccessor objectForKey:str];
+}
+
+- (BOOL)hasUsedProperty:(CDOCProperty *)property;
+{
+    return [propertiesByName objectForKey:[property name]] == nil;
+}
+
+- (void)useProperty:(CDOCProperty *)property;
+{
+    [propertiesByName removeObjectForKey:[property name]];
+}
+
+- (NSArray *)remainingProperties;
+{
+    return [[propertiesByName allValues] sortedArrayUsingSelector:@selector(ascendingCompareByName:)];
+}
+
+- (void)log;
+{
+    NSLog(@"propertiesByAccessor: %@", propertiesByAccessor);
+    NSLog(@"propertiesByName: %@", propertiesByName);
+}
+
+@end