Add swift support

Cargo.toml

@@ -153,6 +153,7 @@ tree-sitter-typescript = { git = "https://github.com/tree-sitter/tree-sitter-typ
 tree-sitter-ruby = "0.20.0"
 tree-sitter-html = "0.19.0"
 tree-sitter-scheme = { git = "https://github.com/6cdh/tree-sitter-scheme", rev = "af0fd1fa452cb2562dc7b5c8a8c55551c39273b9"}
+tree-sitter-swift = "0.4.0"
 tree-sitter-svelte = { git = "https://github.com/Himujjal/tree-sitter-svelte", rev = "697bb515471871e85ff799ea57a76298a71a9cca"}
 tree-sitter-racket = { git = "https://github.com/zed-industries/tree-sitter-racket", rev = "eb010cf2c674c6fd9a6316a84e28ef90190fe51a"}
 tree-sitter-yaml = { git = "https://github.com/zed-industries/tree-sitter-yaml", rev = "f545a41f57502e1b5ddf2a6668896c1b0620f930"}

crates/zed/Cargo.toml

@@ -135,6 +135,7 @@ tree-sitter-html.workspace = true
 tree-sitter-php.workspace = true
 tree-sitter-scheme.workspace = true
 tree-sitter-svelte.workspace = true
+tree-sitter-swift.workspace = true
 tree-sitter-racket.workspace = true
 tree-sitter-yaml.workspace = true
 tree-sitter-lua.workspace = true

crates/zed/src/languages.rs

@@ -26,6 +26,7 @@ mod python;
 mod ruby;
 mod rust;
 mod svelte;
+mod swift;
 mod tailwind;
 mod typescript;
 mod uiua;
@@ -242,6 +243,11 @@ pub fn init(
             Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
         ],
     );
+    language(
+        "swift",
+        tree_sitter_swift::language(),
+        vec![Arc::new(swift::SourcekitLspAdapter)],
+    );
     language(
         "php",
         tree_sitter_php::language(),
@@ -250,7 +256,6 @@ pub fn init(
             Arc::new(tailwind::TailwindLspAdapter::new(node_runtime.clone())),
         ],
     );
-
     language("elm", tree_sitter_elm::language(), vec![]);
     language("glsl", tree_sitter_glsl::language(), vec![]);
     language("nix", tree_sitter_nix::language(), vec![]);

crates/zed/src/languages/swift.rs

@@ -0,0 +1,59 @@
+use anyhow::{anyhow, Result};
+use async_trait::async_trait;
+use language::{LanguageServerName, LspAdapter, LspAdapterDelegate};
+use lsp::LanguageServerBinary;
+use std::{any::Any, ffi::OsString, path::PathBuf};
+
+pub struct SourcekitLspAdapter;
+
+#[async_trait]
+impl LspAdapter for SourcekitLspAdapter {
+    fn name(&self) -> LanguageServerName {
+        LanguageServerName("swift-sourcekit-lsp".into())
+    }
+
+    fn short_name(&self) -> &'static str {
+        "sourcekit-lsp"
+    }
+
+    async fn fetch_latest_server_version(
+        &self,
+        _: &dyn LspAdapterDelegate,
+    ) -> Result<Box<dyn 'static + Any + Send>> {
+        Ok(Box::new(()))
+    }
+
+    async fn fetch_server_binary(
+        &self,
+        _version: Box<dyn 'static + Send + Any>,
+        _container_dir: PathBuf,
+        _: &dyn LspAdapterDelegate,
+    ) -> Result<LanguageServerBinary> {
+        Err(anyhow!(
+            "swift toolchain must be installed and available in your $PATH"
+        ))
+    }
+
+    async fn cached_server_binary(
+        &self,
+        _: PathBuf,
+        _: &dyn LspAdapterDelegate,
+    ) -> Option<LanguageServerBinary> {
+        get_cached_sourcekit_lsp_binary(vec![])
+    }
+
+    async fn installation_test_binary(&self, _: PathBuf) -> Option<LanguageServerBinary> {
+        get_cached_sourcekit_lsp_binary(vec!["--help".into()])
+    }
+
+    fn can_be_reinstalled(&self) -> bool {
+        false
+    }
+}
+
+fn get_cached_sourcekit_lsp_binary(arguments: Vec<OsString>) -> Option<LanguageServerBinary> {
+    Some(LanguageServerBinary {
+        path: "/usr/bin/sourcekit-lsp".into(),
+        arguments,
+    })
+}

crates/zed/src/languages/swift/brackets.scm

@@ -0,0 +1,5 @@
+("(" @open ")" @close)
+("[" @open "]" @close)
+("{" @open "}" @close)
+("<" @open ">" @close)
+("\"" @open "\"" @close)

crates/zed/src/languages/swift/config.toml

@@ -0,0 +1,11 @@
+name = "Swift"
+path_suffixes = ["swift"]
+line_comments = ["// ", "/// "]
+autoclose_before = ";:.,=}])>"
+brackets = [
+    { start = "{", end = "}", close = true, newline = true },
+    { start = "[", end = "]", close = true, newline = true },
+    { start = "(", end = ")", close = true, newline = true },
+    { start = "<", end = ">", close = false, newline = true, not_in = ["string", "comment"] },
+    { start = "\"", end = "\"", close = true, newline = false, not_in = ["string"] },
+]