This document summarizes Yusuke Kita's open source Swift workshop presented at try! Swift Tokyo 2019. The workshop covered getting started with contributing to the Swift compiler, building Swift and SwiftSyntax from source, debugging and testing Swift, building your own tools with SwiftSyntax, writing your own compilers, and tips for working with the open source Swift project. Attendees were encouraged to ask questions during the workshop presentation.

1. Open Source
Swift
Workshop
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

2. Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

3. Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

4. Hi, I'm Yusuke
@kitasuke
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

5. Contributing to Swift Compiler
→ https://www.slideshare.net/kitasuke/
contributing-to-swift-compiler
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

6. Getting
Started
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

7. Getting Started
→ https://github.com/apple/swift#getting-started
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

8. Building Swift
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

9. Building Swift
→ Building Swift Compiler on specific branch
→ 特定のブランチでSwiftコンパイラをビルドする方
法(jp)
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

10. Building
SwiftSyntax
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

11. Building SwiftSyntax
→ Building SwiftSyntax on master branch
→ SwiftSyntaxのmasterブランチをビルドする方法
(jp)
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

12. Debugging
Swift
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

13. !
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

14. Testing Swift
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

15. Testing Swift
→ Writing test code using lit for Swift Compiler
→ Swiftコンパイラのテストコードをlitで書く方法(jp)
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

16. Building your
own tool
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

17. Building your own tool
→ IBOutletRewriter using SwiftSyntax
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

18. Writing your
own compiler
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

19. Writing your own compiler
→ monkey-swift
→ monkey-go
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

20. Pro Tips
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

21. Pro Tips
→ Use stable swift-4.2-branch or swift-5.0-branch
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

22. Pro Tips
→ Use stable swift-4.2-branch or swift-5.0-branch
→ Make sure xcode-select and xcrun --find swift
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

23. Pro Tips
→ Use stable swift-4.2-branch or swift-5.0-branch
→ Make sure xcode-select and xcrun --find swift
→
!
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

24. Pro Tips
→ Use stable swift-4.2-branch or swift-5.0-branch
→ Make sure xcode-select and xcrun --find swift
→
!
→ Buy iMac Pro or Mac Mini
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019

25. Ask us anything!
Open Source Swift Workshop, Yusuke Kita (@kitasuke), try! Swift Tokyo 2019