zhangkn

        UIWebClip *clip = [UIWebClip webClipWithIdentifier:nil];
        //UIWebClip *clip = [UIWebClip webClipWithURL:[webpage.request.mainDocumentURL absoluteString]];
        [clip retain];
        [clip setPageURL:webpage.request.mainDocumentURL];
        [clip setTitle:[webpage stringByEvaluatingJavaScriptFromString:@"document.title"]];
        UIWebDocumentView *docView = nil;
        UIScrollView *webpagescroller = [[webpage subviews] objectAtIndex:0];
        for (UIView* aView in [webpagescroller subviews]){
            if ([aView isKindOfClass:[NSClassFromString(@"UIWebBrowserView") class]]){
                docView = (UIWebDocumentView *)aView;

zhangkn

Assume LLVM Source tree is located at ../LLVM
The -DLLVM_CREATE_XCODE_TOOLCHAIN=on is only useful for macOS users that requires an Xcode Toolchain to use within Xcode. This enables an extra target called install-xcode-toolchain.
Add -DCMAKE_INSTALL_PREFIX=~/Library/Developer/ installs the Toolchain for the current user.
To install the toolchain globally, replace with -DCMAKE_INSTALL_PREFIX=/Library/Developer/ and invoke sudo ninja install-xcode-toolchain

LLVM Development:

cmake -G "Ninja" -DCMAKE_BUILD_TYPE=Debug -DLLVM_APPEND_VC_REV=on -DLLVM_CREATE_XCODE_TOOLCHAIN=on -DCMAKE_INSTALL_PREFIX=~/Library/Developer/ ../LLVM

Daily Usage

zhangkn

LLDB Cheat Sheet

A complete gdb to lldb command map.

Print out

• Print object

(lldb) po responseObject
(lldb) po [responseObject objectForKey@"state"]

• p - Print primitive type

zhangkn

#!/usr/bin/env python2
 
# lrdcq 
# usage python2 unwxapkg.py filename
 
import sys, os
import struct
 
class WxapkgFile(object):
  nameLen = 0

zhangkn

var CryptoJS = require('crypto-js')
var request = require('request-promise')

/*
 * npm install crypto-js request-promise request
 * node wx_t1t_hack.js
 */

// export function testEncription(msg, fullKey) {
//   var fullKey = fullKey.slice(0, 16)

zhangkn

'''
Break on Objective-C 's method using its address'
'''
import shlex
import lldb
import re
def breakonmethod(debugger, command, exe_ctx,result, internal_dict):
    args=shlex.split(command)
    Class=args[0]
    Method=args[1]

zhangkn

#!/bin/bash
#
# NOTE: You need to `brew install gnu-sed` on Mac
# 
# by @codecolorist
# http://github.com/chichou
# 
# fix some compilation error of headers generated by class-dump
#
# usage: fixheader.sh DIRECTORY