Using Swift development snapshot (including sourcekit-lsp) to access latest features

[wojciech-kulik]

If you want to try out new features from sourcekit-lsp (recently they added smart rename, finally!), you will need to switch to Swift Development snapshot. Below you will find steps required to do that:

1. Download latest snapshot for Xcode from here
2. Install it.
3. Switch to it from Xcode (menu bar -> Xcode -> Toolchains)
4. Run (make sure that the path matches your version)

   sudo cp `xcode-select -p`/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/*/lib/darwin/libclang_rt.*.a /Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2024-03-07-a.xctoolchain/usr/lib/clang/17/lib/darwin/

5. Switch your LSP config to point to the new sourcekit-lsp:

   lspconfig["sourcekit"].setup({
     capabilities = capabilities,
     on_attach = on_attach,
     cmd = {
       "/Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2024-03-07-a.xctoolchain/usr/bin/sourcekit-lsp",
     },
     -- ...
   },

6. Add additional flags to build and test from Neovim using the latest toolchain. Update your xcodebuild.nvim setup options:

   commands = {
     extra_build_args = "-parallelizeTargets -toolchain swift-latest",
     extra_test_args = "-parallelizeTargets -toolchain swift-latest",
   },

7. Clean & build the project from Xcode.
8. Open project in Neovim as usual. New features like smart rename should be available.

[wojciech-kulik]

Moved to Wiki