don't use native-helper for debug adapter

VS Code can run the debug adapter using the built-in node runtime, so we don't need a platform-specific executable for this anymore.

Author: dlech

CHANGELOG.md

@@ -4,6 +4,8 @@ All notable changes to the "ev3dev-browser" extension will be documented in this
 Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
 
 ## Unreleased
+### Changed
+- SSH shell no longer uses native executable on Linux and Mac.
 ### Fixed
 - Fix debugger hanging when ev3dev Device Browser view is collapsed
 

package.json

@@ -183,18 +183,8 @@
             {
                 "type": "ev3devBrowser",
                 "label": "ev3dev",
-                "linux": {
-                    "program": "./native/linux/helper"
-                },
-                "osx": {
-                    "program": "./native/darwin/helper"
-                },
-                "windows": {
-                    "program": "./native/win32/helper.exe"
-                },
-                "args": [
-                    "debugServer"
-                ],
+                "program": "./out/native-helper/debugServer.js",
+                "runtime": "node",
                 "configurationAttributes": {
                     "launch": {
                         "required": [

src/device.ts

@@ -180,7 +180,7 @@ export class Device extends vscode.Disposable {
                                 ch.setWindow(rows, cols, 0, 0);
                             }, data => {
                                 // dataIn callback
-                                ch.stdin.write(new Buffer(data, 'base64'));
+                                ch.stdin.write(Buffer.from(data, 'base64'));
                             });
                         });
                     }

src/native-helper/debugServer.ts

@@ -44,13 +44,4 @@ class Ev3devBrowserDebugSession extends DebugSession {
     }
 }
 
-/**
- * Run the debug server.
- */
-export function run(): void {
-    DebugSession.run(Ev3devBrowserDebugSession);
-}
-
-if (require.main === module) {
-    run();
-}
+DebugSession.run(Ev3devBrowserDebugSession);

src/native-helper/helper.ts

@@ -3,15 +3,11 @@
 // use this extension. Since nexe creates a rather large executable for a simple
 // program, we combine all of our helper programs into one executable.
 
-import { run as runDebugServer } from './debugServer';
 import { run as runShell } from './shell';
 
 const command = process.argv[1];
 
 switch(command) {
-case 'debugServer':
-    runDebugServer();
-    break;
 case 'shell':
     const port = parseInt(process.argv[2]);
     runShell(port);

src/native-helper/shell.ts

@@ -40,10 +40,10 @@ export function run(port: number): void {
             term: process.env['TERM'] || 'xterm-256color'
         }, dataOut => {
             // dataOut callback
-            process.stdout.write(new Buffer(dataOut, 'base64'));
+            process.stdout.write(Buffer.from(dataOut, 'base64'));
         }, dataErr => {
             // dataErr callback
-            process.stderr.write(new Buffer(dataErr, 'base64'));
+            process.stderr.write(Buffer.from(dataErr, 'base64'));
         }, (resize, dataIn) => {
             // ready callback
             process.stdout.on('resize', () => {