misc: add README.md

Author: jdrupal-dev

README.md

@@ -0,0 +1,29 @@
+# Drupal LS
+The missing language server for Drupal.
+
+WIP!
+
+## Features
+### Hover
+- Service references
+- Service class
+- Route references
+- Route controller/form
+- Hook references
+### Go to definition
+- Service references
+- Service class
+- Route references
+- Route controller/form
+- Hook references
+### Completion
+- Services
+- Routes
+- Hook snippets
+- General snippets
+
+## Roadmap
+### Completion
+- [ ] Autocomplete permissions.
+- [ ] Autocomplete plugin IDs (eg. queue workers, blocks, fields, migrate source/process/destination).
+

src/server/handle_notification.rs

@@ -12,6 +12,7 @@ pub fn handle_notification(notification: Notification) -> () {
         "textDocument/didChange" => handle_text_document_did_change(notification.params),
         "textDocument/didClose" => (),
         "textDocument/didSave" => (),
+        "exit" => (),
         _ => log::warn!("Unhandled notification {:?}", notification),
     };
 }

src/server/handle_request.rs

@@ -12,6 +12,7 @@ pub fn handle_request(request: Request) -> Response {
         "textDocument/hover" => handle_text_document_hover(request),
         "textDocument/definition" => handle_text_document_definition(request),
         "textDocument/completion" => handle_text_document_completion(request),
+        "shutdown" => None,
         _ => {
             log::warn!("Unhandled request {:?}", request);
             None

src/server/mod.rs

@@ -75,6 +75,6 @@ pub async fn start_lsp() -> Result<()> {
     io_threads.join()?;
 
     // Shut down gracefully.
-    log::warn!("Shutting down Drupal LSP server");
+    log::info!("Shutting down Drupal LSP server");
     Ok(())
 }