Add the 3.3.3 sources for class-dump.

class-dump/src/CDSection.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 "CDSection.h"
+
+#import "CDFatFile.h"
+#import "CDMachOFile.h"
+#import "CDLCSegment32.h"
+
+@implementation CDSection
+
+// Just to resolve multiple different definitions...
+- (id)init;
+{
+    if ([super init] == nil)
+        return nil;
+
+    segmentName = nil;
+    sectionName = nil;
+
+    data = nil;
+    _flags.hasLoadedData = NO;
+
+    return self;
+}
+
+- (void)dealloc;
+{
+    [segmentName release];
+    [sectionName release];
+    [data release];
+
+    [super dealloc];
+}
+
+- (NSString *)segmentName;
+{
+    return segmentName;
+}
+
+- (void)setSegmentName:(NSString *)newName;
+{
+    if (newName == segmentName)
+        return;
+
+    [segmentName release];
+    segmentName = [newName retain];
+}
+
+- (NSString *)sectionName;
+{
+    return sectionName;
+}
+
+- (void)setSectionName:(NSString *)newName;
+{
+    if (newName == sectionName)
+        return;
+
+    [sectionName release];
+    sectionName = [newName retain];
+}
+
+- (NSData *)data;
+{
+    [self loadData];
+
+    return data;
+}
+
+- (void)loadData;
+{
+    // Impelement in subclasses
+}
+
+- (void)unloadData;
+{
+    if (_flags.hasLoadedData) {
+        _flags.hasLoadedData = NO;
+        [data release];
+        data = nil;
+    }
+}
+
+- (NSUInteger)addr;
+{
+    // Implement in subclasses.
+    return 0;
+}
+
+- (NSUInteger)size;
+{
+    // Implement in subclasses.
+    return 0;
+}
+
+- (CDMachOFile *)machOFile;
+{
+    // Implement in subclass (for now).
+    return nil;
+}
+
+- (NSString *)description;
+{
+    return [NSString stringWithFormat:@"<%@:%p> segment; '%@', section: '%-16s'",
+                     NSStringFromClass([self class]), self,
+                     segmentName, [sectionName UTF8String]];
+}
+
+- (BOOL)containsAddress:(NSUInteger)address;
+{
+    // implement in subclasses.
+    return NO;
+}
+
+- (NSUInteger)fileOffsetForAddress:(NSUInteger)address;
+{
+    // implement in subclasses.
+    return 0;
+}
+
+@end