🐍 Snake, Yet Another Mach-O Unused ObjC Selector/Class/Protocol Detector.
ObjC Metadata
- Classes ✔
- Protocols ✔
- Methods ✔
- Categories ✔
- Binding Info ✔
- ObjC-Specific Sections
- __objc_selrefs ✔
- __objc_superrefs ✔
- __objc_classrefs ✔
- __objc_classlist ✔
- __objc_catlist ✔
- __objc_protolist ✔
See SnakeKit
- Parse Mach-O directly, no Symbols option required in Strip style of Build Settings, no depends on otool.
- Unused selectors.
- Unsued classes.
- Unused protocols.
- Duplicate selectors.
- All classes.
- Selector/Classes/Protocols sort by library, and selector size, if Linkmap file provided.
- Fast, a 460.6M binary and a 134.3M linkmap file costs 1.62s(3.7 GHz 6-Core Intel Core i5;40 GB 2667 MHz DDR4).
brew tap flexih/tap && brew install snake
Usage:
snake [-dscp] [-l path] path/to/binary ...
-s, --selector Unused selectors
-c, --class Unused classes
-p, --protocol Unused protocoles
-d, --duplicate Duplicate selectors
-a, --allclass All Classes
-l, --linkmap arg Linkmap file, which has selector size, library name
-j, --json Output json format
--help Print help
snake -l path/to/linkmap path/to/binary [-dscpa]
bin/snake -l demo/release/demo-LinkMap-normal-x86_64.txt demo/release/demo.app/demo -c
Total Lib Count: 1
Total Unused Class Count: 3
# demo
SceneDelegate
UnusedClass
ViewController
bin/snake -l demo/release/demo-LinkMap-normal-x86_64.txt demo/release/demo.app/demo -s
Total Lib Count: 1
Total Class Count: 2
Total Unused Selector: 2
# demo
@ UnusedClass
-[UnusedClass unusedMethOfUnusedClass] 6
@ UsedClass
-[UsedClass unusedMeth] 6
Used selectors
python2 storyboard.py path/to/x.storyboard
git clone --recursive https://github.com/flexih/Snake.git
Objective-C二进制瘦身