Add the 3.3.3 sources for class-dump.

class-dump/src/CDFile.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 "CDFile.h"
+
+#import "CDFatFile.h"
+#import "CDMachO32File.h"
+#import "CDMachO64File.h"
+
+NSString *CDNameForCPUType(cpu_type_t cputype, cpu_subtype_t cpusubtype)
+{
+    const NXArchInfo *archInfo;
+
+    archInfo = NXGetArchInfoFromCpuType(cputype, cpusubtype);
+    if (archInfo == NULL)
+        return [NSString stringWithFormat:@"0x%x:0x%x", cputype, cpusubtype];
+
+    return [NSString stringWithUTF8String:archInfo->name];
+}
+
+CDArch CDArchFromName(NSString *name)
+{
+    const NXArchInfo *archInfo;
+    CDArch arch;
+
+    arch.cputype = CPU_TYPE_ANY;
+    arch.cpusubtype = 0;
+
+    if (name == nil)
+        return arch;
+
+    archInfo = NXGetArchInfoFromName([name UTF8String]);
+    if (archInfo == NULL) {
+        NSScanner *scanner;
+        NSString *ignore;
+
+        scanner = [[NSScanner alloc] initWithString:name];
+        if ([scanner scanHexInt:(uint32_t *)&arch.cputype]
+            && [scanner scanString:@":" intoString:&ignore]
+            && [scanner scanHexInt:(uint32_t *)&arch.cpusubtype]) {
+            // Great!
+            //NSLog(@"scanned 0x%08x : 0x%08x from '%@'", arch.cputype, arch.cpusubtype, name);
+        } else {
+            arch.cputype = CPU_TYPE_ANY;
+            arch.cpusubtype = 0;
+        }
+
+        [scanner release];
+    } else {
+        arch.cputype = archInfo->cputype;
+        arch.cpusubtype = archInfo->cpusubtype;
+    }
+
+    return arch;
+}
+
+BOOL CDArchUses64BitABI(CDArch arch)
+{
+    return (arch.cputype & CPU_ARCH_MASK) == CPU_ARCH_ABI64;
+}
+
+@implementation CDFile
+
++ (id)fileWithData:(NSData *)someData filename:(NSString *)aFilename searchPathState:(CDSearchPathState *)aSearchPathState;
+{
+    return [self fileWithData:someData offset:0 filename:aFilename searchPathState:aSearchPathState];
+}
+
++ (id)fileWithData:(NSData *)someData offset:(NSUInteger)anOffset filename:(NSString *)aFilename searchPathState:(CDSearchPathState *)aSearchPathState;
+{
+    CDFatFile *aFatFile = nil;
+
+    if (anOffset == 0)
+        aFatFile = [[[CDFatFile alloc] initWithData:someData offset:anOffset filename:aFilename searchPathState:aSearchPathState] autorelease];
+
+    if (aFatFile == nil) {
+        CDMachOFile *machOFile;
+
+        machOFile = [[[CDMachO32File alloc] initWithData:someData offset:anOffset filename:aFilename searchPathState:aSearchPathState] autorelease];
+        if (machOFile == nil)
+            machOFile = [[[CDMachO64File alloc] initWithData:someData offset:anOffset filename:aFilename searchPathState:aSearchPathState] autorelease];
+        return machOFile;
+    }
+
+    return aFatFile;
+}
+
+- (id)init;
+{
+    [NSException raise:@"RejectUnusedImplementation" format:@"-initWithData: is the designated initializer"];
+    return nil;
+}
+
+- (id)initWithData:(NSData *)someData offset:(NSUInteger)anOffset filename:(NSString *)aFilename searchPathState:(CDSearchPathState *)aSearchPathState;
+{
+    if ([super init] == nil)
+        return nil;
+
+    // Otherwise reading the magic number fails.
+    if ([someData length] < 4) {
+        [self release];
+        return nil;
+    }
+
+    filename = [aFilename retain];
+    data = [someData retain];
+    offset = anOffset;
+    searchPathState = [aSearchPathState retain];
+
+    return self;
+}
+
+- (void)dealloc;
+{
+    [filename release];
+    [data release];
+    [searchPathState release];
+
+    [super dealloc];
+}
+
+- (NSString *)filename;
+{
+    return filename;
+}
+
+- (NSData *)data;
+{
+    return data;
+}
+
+- (NSUInteger)offset;
+{
+    return offset;
+}
+
+- (void)setOffset:(NSUInteger)newOffset;
+{
+    offset = newOffset;
+}
+
+- (CDSearchPathState *)searchPathState;
+{
+    return searchPathState;
+}
+
+- (BOOL)bestMatchForLocalArch:(CDArch *)archPtr;
+{
+    if (archPtr != NULL) {
+        archPtr->cputype = CPU_TYPE_ANY;
+        archPtr->cpusubtype = 0;
+    }
+
+    return YES;
+}
+
+- (CDMachOFile *)machOFileWithArch:(CDArch)arch;
+{
+    return nil;
+}
+
+@end