[146] Issue #146 - October 24, 2019

[jpsim]

To contribute to this issue, simply leave a comment here. Please also review our contributing guidelines.

The current draft for this issue in _drafts/. If you want to contribute directly, feel free to open a pull request.

[jpsim]

Initial support for swift package manager in bazel

bazelbuild/rules_swift#329

[fassko]

New project announcement: Swift compiler driver reimplementation in Swift

The swift-driver project is a new implementation of the Swift compiler driver that is intended to replace the existing driver with a more extensible, maintainable, and robust code base. The Swift compiler’s driver is what handles the build of a Swift module: it runs the Swift compiler frontend to compile source code to object files, the linker to link those object files into a library or executable, and so on, and contains much of the knowledge of how to produce working programs for any given platform. The driver is the main program that build systems (e.g. SwiftPM, xcodebuild, make, ninja) interact with to compile Swift code, so it is a key piece of infrastructure for building Swift code. The new swift-driver is architected as a Swift library, allowing for deeper integration with the Swift Package Manager.

https://forums.swift.org/t/new-project-announcement-swift-compiler-driver-reimplementation-in-swift/29696

https://github.com/apple/swift-driver

[fassko]

Un-gitignore CMakeCache.txt

I just lost a stupid amount of time to swiftlang/swift#84. Any objections to me pulling it out, so CMakeCache.txt shows up in git status by default? Individuals who want to do in-source-tree builds can still add it to their local .git/info/exclude. (I haven't seen the original contributor of that PR around in a while either.)

https://forums.swift.org/t/un-gitignore-cmakecache-txt/29712

[fassko]

Improving the representation of polymorphic interfaces in SIL with "substituted function types"

SIL has a lot of incidental complexity arising from representational issues in how we handle the types of polymorphically-callable functions such as protocol witnesses, class methods, and closures. Here is a proposed design for substituted function types, which tries to address some of these issues.
...

https://forums.swift.org/t/improving-the-representation-of-polymorphic-interfaces-in-sil-with-substituted-function-types/29711

[fassko]

https://medium.com/@ianpartridge/swift-development-in-docker-using-visual-studio-code-remote-b84d035e70db

https://forums.swift.org/t/vscode-extension/29722

[fassko]

Swift 5.1.1 is now available for download.

It is a bug-fix release that addresses a security issue on Ubuntu platforms.

https://forums.swift.org/t/swift-5-1-1-released-linux-only/29732

[BasThomas]

267 scheduled https://github.com/apple/swift-evolution/blob/master/proposals/0267-where-on-contextually-generic.md

[BasThomas]

New project announcement: Swift compiler driver reimplementation in Swift

@fassko I already included that one (last-minute!) in the previous issue 😄

[fassko]

Heads up about potential update-checkout failures for fetches from the clang, llvm, compiler-rt, libcxx, clang-tools-extra, lldb repos

After some llvm-project monorepo preparation work @dexonsmith and I did yesterday, your update-checkout fetches for https://github.com/apple/swift-{clang,llvm,compiler-rt,libcxx,clang-tools-extra,lldb} might fail with errors ...

https://forums.swift.org/t/heads-up-about-potential-update-checkout-failures-for-fetches-from-the-clang-llvm-compiler-rt-libcxx-clang-tools-extra-lldb-repos/29746