class-dump

1. 下载

http://stevenygard.com/projects/class-dump/

2. 安装

• 1> 下载完后，打开安装包，拖动【class-dump】到"/usr/bin/"，OS X 10.11 之后要复制到"/usr/local/bin/"
• 打开命令行，执行命令赋予其执行权限：

ios$ sudo chmod 777 /usr/bin/class-dump 

OS X 10.11 之后是

ios$ sudo chmod 777 /usr/local/bin/class-dump 

3. 使用

class-dump -a -A -s -S -H /Applications/Calculator.app -o /Users/hare2j/Desktop/calculate
class-dump -H /System/Library/Frameworks/AppKit.framework -o /Users/hare2j/Desktop/headers
class-dump /Users/hare2j/Desktop/headers

4. 命令说明

-H                输出头文件内容，可以-o指定输出目录
-o           放在-H后面用户指定输出目录
-s                根据名字进行对类名和协议进行排序
-S                根据名字对方法进行排序
-a                显示实例变量的偏移量
-A                显示实例方法的地址
--arch      choose a specific architecture from a universal binary (ppc, ppc64, i386, x86_64)
-C         only display classes matching regular expression
-f           find string in method name
-I                sort classes, categories, and protocols by inheritance (overrides -s)
-r                recursively expand frameworks and fixed VM shared libraries
-t                suppress header in output, for testing
--list-arches     list the arches in the file, then exit
--sdk-ios         specify iOS SDK version (will look in /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk
--sdk-mac         specify Mac OS X version (will look in /Developer/SDKs/MacOSX.sdk
--sdk-root        specify the full SDK root path (or use --sdk-ios/--sdk-mac for a shortcut)