Update extension.ts

client/src/extension.ts

@@ -1,11 +1,22 @@
 // The module 'vscode' contains the VS Code extensibility API
 // Import the module and reference it with the alias vscode in your code below
 import * as vscode from 'vscode';
+import * as path from 'path';
+import {
+  LanguageClient,
+  LanguageClientOptions,
+  ServerOptions,
+  TransportKind
+} from 'vscode-languageclient/node';
+
+let client: LanguageClient; // Declare client at the top level
 
 // this method is called when your extension is activated
 // your extension is activated the very first time the command is executed
 export function activate(context: vscode.ExtensionContext){
-  let disposable = vscode.languages.registerFoldingRangeProvider('nmtran', {
+
+  let disposable = vscode.languages.registerFoldingRangeProvider('nmtran',
+  {
     provideFoldingRanges(document, context, token) {
       // console.log('folding range invoked'); // comes here on every character edit
       let sectionStart = 0, FR = [], re = /^\$/;  // regex to detect start of region
@@ -25,5 +36,44 @@ export function activate(context: vscode.ExtensionContext){
     }
   });
 
+  // Adding Language Client Setup
+  let serverModule = context.asAbsolutePath(
+    path.join('server', 'out', 'server.js')
+  );
+  let debugOptions = { execArgv: ['--nolazy', '--inspect=6009'] };
+
+  let serverOptions: ServerOptions = {
+    run: { module: serverModule, transport: TransportKind.ipc },
+    debug: {
+      module: serverModule,
+      transport: TransportKind.ipc,
+      options: debugOptions
+    }
+  };
+
+  let clientOptions: LanguageClientOptions = {
+    documentSelector: [{ scheme: 'file', language: 'nmtran' }],
+    synchronize: {
+      fileEvents: vscode.workspace.createFileSystemWatcher('**/.clientrc')
+    }
+  };
+
+  client = new LanguageClient(
+    'NMTRANLanguageServer',
+    'NMTRAN Language Server',
+    serverOptions,
+    clientOptions
+  );
+
+  client.start();
+
+  // Register the folding range provider
   context.subscriptions.push(disposable);
 }
+
+export function deactivate(): Thenable<void> | undefined {
+  if (!client) {
+    return undefined;
+  }
+  return client.stop();
+}