lsp

editors/vscode/src/extension.ts

@@ -0,0 +1,44 @@
+import * as path from "path";
+import { workspace, ExtensionContext } from "vscode";
+import {
+  LanguageClient,
+  LanguageClientOptions,
+  ServerOptions,
+} from "vscode-languageclient/node";
+
+let client: LanguageClient;
+
+export function activate(context: ExtensionContext) {
+  const config = workspace.getConfiguration("pit");
+  const cellPath = config.get<string>("cellPath", "cell");
+  const lspDir = path.join(context.extensionPath, "lsp");
+
+  const serverOptions: ServerOptions = {
+    command: cellPath,
+    args: ["lsp/lsp"],
+    options: { cwd: lspDir },
+  };
+
+  const clientOptions: LanguageClientOptions = {
+    documentSelector: [{ scheme: "file", language: "pit" }],
+    synchronize: {
+      fileEvents: workspace.createFileSystemWatcher("**/*.{ce,cm}"),
+    },
+  };
+
+  client = new LanguageClient(
+    "pitLanguageServer",
+    "ƿit Language Server",
+    serverOptions,
+    clientOptions
+  );
+
+  client.start();
+}
+
+export function deactivate(): Thenable<void> | undefined {
+  if (!client) {
+    return undefined;
+  }
+  return client.stop();
+}