fix restart and stop issue

package.json

 {
 	"name": "topjs-debugger",
 	"displayName": "TopJS Debugger",
-	"version": "0.0.2",
+	"version": "0.0.3",
 	"publisher": "AbbyCin",
 	"description": "TopJS debugger extension for VS Code.",
 	"author": {

src/topjsDebug.js

@@ -43,6 +43,20 @@ class TopJSDebugSession extends vscode_debugadapter.LoggingDebugSession {
         this.setDebuggerColumnsStartAt1(false);
 
         this._cachedBreakpoints = {};
+        this._restart = false;
+
+        // overwrite event in base class
+
+        // when close stop button
+        this.on('close', () => {
+            this.terminateSession('exit');
+            super.shutdown();
+        });
+
+        this.on('error', (error) => {
+            this.terminateSession('exit');
+            super.shutdown();
+        });
 
         // runtime instance for interacting with debugger backend
         this._runtime = new topjsRuntime.topjsRuntime();
@@ -150,7 +164,7 @@ class TopJSDebugSession extends vscode_debugadapter.LoggingDebugSession {
                 spawn.execSync(`${TASK_KILL} /F /T /PID ${processId}`);
             }
             catch (err) {
-                this.err(err);
+                //this.err(err.message);
             }
         }
         else {
@@ -168,7 +182,10 @@ class TopJSDebugSession extends vscode_debugadapter.LoggingDebugSession {
         let argv = [`--remote-debugging-port=${args.port}`, args.program];
         this._backend = spawn.spawn(args.runtimeExecutable, argv);
         this._backend.on('exit', () => {
+            if(!this._restart) {
+                this._restart = false;
                 this.sendEvent(new vscode_debugadapter.TerminatedEvent());
+            }
             if(this.isExtensionHost()) {
                 this.terminateSession(msg);
             }
@@ -178,7 +195,10 @@ class TopJSDebugSession extends vscode_debugadapter.LoggingDebugSession {
             if(!this.isExtensionHost()) {
                 this.terminateSession(msg);
             }
+            if(!this._restart) {
+                this._restart = false;
                 this.sendEvent(new vscode_debugadapter.TerminatedEvent());
+            }
             process.exit(0);
         });
         this._backend.stdout.on('data', (data) => {
@@ -190,7 +210,10 @@ class TopJSDebugSession extends vscode_debugadapter.LoggingDebugSession {
         this._backend.on('error', (err) => {
             this.err(err.message());
             this.err('main process exit...');
+            if(!this._restart) {
+                this._restart = false;
                 this.sendEvent(new vscode_debugadapter.TerminatedEvent());
+            }
             process.exit(1);
         });
         this.log([args.runtimeExecutable, `--remote-debugging-port=${args.port}`, Path.basename(args.program)].join(' '));
@@ -362,6 +385,7 @@ class TopJSDebugSession extends vscode_debugadapter.LoggingDebugSession {
     }
 
     restartRequest(response, args) {
+        this._restart = true;
         this._runtime.quit();
         this.terminateSession('restart');
         this.spawnBackend(this._args);

src/topjsRuntime.js

@@ -277,9 +277,9 @@ class topjsRuntime extends events.EventEmitter {
 
     quit() {
         try {
-            this.client.disconnect();
+            this.client.destroy('close');
         } catch(e) {
-
+            //this._logger.log(`disconnect: ${e}`);
         }
         this._started = false;
     }