https://github.com/swiftlang/swift/pull/77406 CMake で configure 済みの build.ninja を元に xcodeproj を作るプロジェクトです。僕自身通常使用していますが非常に快適にswiftのコードベースが編集できますよ！

Introduce swift-xcodegen by hamishknight · Pull Request #77406 · sw...

This is a tool specifically designed to generate Xcode projects for the Swift repo (as well as a couple of adjacent repos such as LLVM and Clang). It aims to provide a much more user-friendly exper...