support to restart 'attach' session. fixes microsoft/vscode#2103

.vscode/launch.json

@@ -22,8 +22,7 @@
 			"stopOnEntry": false,
 			"runtimeArgs": [ "--nolazy" ],
 			"args": [ "--server=4711" ],
-			//"env": { "VSCODE_NLS_CONFIG": "{\"locale\":\"pseudo\",\"availableLanguages\":{}}" },
-			"externalConsole": true,
+			"externalConsole": false,
 			"sourceMaps": true,
 			"outDir": "${workspaceRoot}/out"
 		},

package.json

@@ -17,8 +17,8 @@
 		"vscode": "^0.10.1"
 	},
 	"dependencies": {
-		"vscode-debugprotocol": "next",
-		"vscode-debugadapter": "next",
+		"vscode-debugprotocol": "1.6.0-pre8",
+		"vscode-debugadapter": "1.6.0-pre12",
 		"source-map": "^0.5.3",
 		"vscode-nls": "^1.0.4"
 	},
@@ -78,6 +78,8 @@
 						"type": "node",
 						"request": "attach",
 						"port": 5858,
+						"address": "localhost",
+						"restart": false,
 						"sourceMaps": false,
 						"outDir": null,
 						"localRoot": "${workspaceRoot}",
@@ -159,6 +161,11 @@
 								"description": "%node.attach.timeout.description%",
 								"default": 10000
 							},
+							"restart": {
+								"type": "boolean",
+								"description": "%node.attach.restart.description%",
+								"default": true
+							},
 							"sourceMaps": {
 								"type": "boolean",
 								"description": "%node.sourceMaps.description%",

package.nls.json

@@ -21,6 +21,7 @@
 	"node.attach.port.description": "Debug port to attach to. Default is 5858.",
 	"node.attach.address.description": "TCP/IP address of debug port (for node >= 5.0 only). Default is 'localhost'.",
 	"node.attach.timeout.description": "Retry for this number of milliseconds to connect to the node runtime. Default is 10000 ms.",
+	"node.attach.restart.description": "Restart session after node has terminated.",
 	"node.attach.localRoot.description": "The local source root that corresponds to the 'remoteRoot'.",
 	"node.attach.remoteRoot.description": "The source root of the remote host.",
 

src/node/nodeDebug.ts

@@ -151,7 +151,8 @@ export interface AttachRequestArguments extends CommonArguments {
 	address?: string;
 	/** Retry for this number of milliseconds to connect to the node runtime. */
 	timeout?: number;
-
+	/** Request frontend to restart session on termination. */
+	restart?: boolean;
 	/** Node's root directory. */
 	remoteRoot?: string;
 	/** VS Code's root directory. */
@@ -189,6 +190,7 @@ export class NodeDebugSession extends DebugSession {
 	private _externalConsole: boolean;
 	private _isTerminated: boolean;
 	private _inShutdown: boolean;
+	private _restartMode = false;
 	private _terminalProcess: CP.ChildProcess;		// the terminal process or undefined
 	private _pollForNodeProcess = false;
 	private _nodeProcessId: number = -1; 		// pid of the node runtime
@@ -279,7 +281,11 @@ export class NodeDebugSession extends DebugSession {
 
 		if (!this._isTerminated) {
 			this._isTerminated = true;
-			this.sendEvent(new TerminatedEvent());
+			if (this._restartMode) {
+				this.sendEvent(new TerminatedEvent(true));
+			} else {
+				this.sendEvent(new TerminatedEvent());
+			}
 		}
 	}
 
@@ -551,6 +557,10 @@ export class NodeDebugSession extends DebugSession {
 			this._attachMode = true;
 		}
 
+		if (typeof args.restart === 'boolean') {
+			this._restartMode = args.restart;
+		}
+
 		if (args.localRoot) {
 			if (!FS.existsSync(args.localRoot)) {
 				this.sendErrorResponse(response, 2023, localize('VSND2023', "attribute 'localRoot' ('{path}') does not exist"), { path: args.localRoot });