Add support for elp.restartServer command (#90)

Summary:
Adds the ability to restart the ELP server from the VS Code command palette.

Closes #90.

Reviewed By: alanz

Differential Revision: D72441620

fbshipit-source-id: 7346149f6756520c0fa9cc4fccb0488009eccae7

editors/code/client/src/commands.ts

@@ -10,6 +10,7 @@
 import * as vscode from 'vscode';
 import * as dapConfig from './dapConfig';
 import * as edbDebugger from './debugger';
+import { LanguageClient } from 'vscode-languageclient/node';
 
 export type Runnable = {
     label: string;
@@ -30,8 +31,7 @@ export type CommonRunnableArgs = {
     workspaceRoot: string;
 };
 
-export function registerCommands(context: vscode.ExtensionContext) {
-    // elp.runSingle
+export function registerCommands(context: vscode.ExtensionContext, client: LanguageClient) {
     context.subscriptions.push(
         vscode.commands.registerCommand(
             'elp.runSingle',
@@ -39,15 +39,18 @@ export function registerCommands(context: vscode.ExtensionContext) {
                 await runSingle(runnable);
             },
         ),
-    );
-    // elp.debugSingle
-    context.subscriptions.push(
         vscode.commands.registerCommand(
             'elp.debugSingle',
             async (runnable: Runnable) => {
                 await debugSingle(runnable);
             },
         ),
+        vscode.commands.registerCommand(
+            'elp.restartServer',
+            async () => {
+                await client.restart();
+            },
+        ),
     );
 }
 

editors/code/client/src/extension.ts

@@ -66,8 +66,6 @@ export function activate(context: vscode.ExtensionContext) {
 		}
 	};
 
-	registerCommands(context);
-
 	// Create the language client and start the client.
 	client = new LanguageClient(
 		'elp',
@@ -76,6 +74,8 @@ export function activate(context: vscode.ExtensionContext) {
 		clientOptions
 	);
 
+	registerCommands(context, client);
+
 	log.append('Activating debugger');
 	// Activate the DAP Debugger
 	activateDebugger(context);

editors/code/package.json

@@ -61,6 +61,13 @@
         "path": "./third-party/grammar/Erlang.plist"
       }
     ],
+    "commands": [
+      {
+        "command": "elp.restartServer",
+        "title": "Restart server",
+        "category": "Erlang"
+      }
+    ],
     "debuggers": [
       {
         "type": "erlang-edb",