LLDB tips

gistfile1.txt

Simulator起動時に `Lost connection to the debugger` と表示されてディタッチされてしまう＆Simulator上でアプリが起動しない

# https://developer.apple.com/forums/thread/681037

```
settings set plugin.process.gdb-remote.packet-timeout 300
```

lldb_tips.txt

/**
 * Swift
 */
// 変数に代入
// `$`を付ける
(lldb) e var $vc = viewController
(lldb) po $vc
// ライブラリをimport
(lldb) expr -l Swift -- import SomeLibrary


/**
 * Objective-C
 */
// poiter addressを変数に代入
(lldb) po UIView* $v = nil
(lldb) po $v = (UIView *)0x10551b330

// 参考
* http://akisute.com/2015/12/xcode-72-lldb-swift.html

/// LLDB (Swift): Casting Raw Address into Usable Type
/// https://stackoverflow.com/a/42766226
expr -l Swift -- import UIKit
expr -l Swift -- let $pin = unsafeBitCast(0x7df67c50, to: UIViewController.self)
expr -l Swift -- print($pin.alpha)