Timothy J. Wood tjw

Overview

	(*
	With a QuickTime file open QuickTime Player, and an OmniOutliner file open that matches the title below, if this is invoked:

	- If the QT file is playing, it is paused and the current playback speed is recorded (use option-click on the fast forward button to increase playing speed in QuickTime Player)
	- If there is not a row starting with the right session number, one is created at the top level (with a link back to the QT file)
	- A new row is added with the current time code and the insertion point to the right of it and OmniOutliner is activated.

	- Otherwise, playing in the QT file is resumed a couple seconds before the point at which it was paused, with the playback rate restored, and QT is activated

	- Setup:

	(*
	With a QuickTime file open QuickTime Player, and an OmniOutliner file open that matches the title below, if this is invoked:

	- If the QT file is playing, it is paused and the current playback speed is recorded (use option-click on the fast forward button to increase playing speed in QuickTime Player)
	- If there is not a row starting with the right session number, one is created at the top level (with a link back to the QT file)
	- A new row is added with the current time code and the insertion point to the right of it and OmniOutliner is activated.

	- Otherwise, playing in the QT file is resumed a couple seconds before the point at which it was paused, with the playback rate restored, and QT is activated

	- Setup:

	//
	// main.m
	// DispatchWriteSource
	//
	// Created by Timothy J. Wood on 3/27/18.
	// Copyright © 2018 The Omni Group. All rights reserved.
	//

	#import <Foundation/Foundation.h>
	#import <unistd.h>

	/*
	swift SetPrototype.swift

	On 10.13.4, the result is 'undefined', but it should be '5'.
	*/

	import Foundation
	import JavaScriptCore

	var definition:JSClassDefinition = kJSClassDefinitionEmpty

	# Trying to get the fastest incremental build times for small changes to the swift compiler.
	# This still rebuilds the stdlib on each change to the compiler (no --skip option I see to avoid that).
	[preset: ios]
	release
	debug-swift
	ios
	skip-build-ios-simulator
	skip-test-ios-simulator
	skip-build-osx
	skip-test-osx

	% ./utils/build-script --release-debuginfo --debug-swift
	#### hours pass ####
	% ../build/Ninja-RelWithDebInfoAssert+swift-DebugAssert/swift-macosx-x86_64/bin/swift -sdk /Applications/Xcode-9.1b2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk -target arm64-apple-ios11.1 /Users/bungi/Desktop/TransitiveAppExtensionAvailable/Example.swift
	<unknown>:0: error: unable to load standard library for target 'arm64-apple-ios11.1'

	import Foundation

	let u = URL(fileURLWithPath: "/tmp/missing-path", isDirectory: true)
	let d = FileManager.default.enumerator(at:u, includingPropertiesForKeys: nil, errorHandler: {_,_ in return false})!

	print("d \(d)") // --> d <NSURLDirectoryEnumerator: 0x100a01940>

	// Crashes, unless the error handler above is replaced with nil
	for _ in d {}

	import Foundation

	/*

	xcrun swift objc-throwing-block.swift

	objc-throwing-block.swift:20:13: error: method cannot be marked @objc because the type of the parameter cannot be represented in Objective-C
	@objc func access(accessor: Accessor) {}
	^
	objc-throwing-block.swift:20:30: note: throwing function types cannot be represented in Objective-C

	import JavaScriptCore
	let ctx = JSGlobalContextCreate(nil)
	let trueValue = JSValueMakeBoolean(ctx, true)

	// This returns false in both Xcode 7.3.1 and 8.0 b2.
	JSValueIsObject(ctx, trueValue)

	// This returns true in Xcode 7.3.1, and false in 8.0 b2.
	JSValueIsBoolean(ctx, trueValue)