Merge pull request #2591 from Microsoft/serverAddExitMessage

Add an exit message for the server.

Author: steveluc

src/server/editorServices.ts

@@ -458,7 +458,7 @@ module ts.server {
                 var info = this.filenameToScriptInfo[args.file];
                 if (info) {
                     info.setFormatOptions(args.formatOptions);  
-                    this.log("Host configuration update for file " + args.file);
+                    this.log("Host configuration update for file " + args.file, "Info");
                 }
             }
             else {
@@ -823,7 +823,6 @@ module ts.server {
          */
 
         closeClientFile(filename: string) {
-            // TODO: tsconfig check
             var info = ts.lookUp(this.filenameToScriptInfo, filename);
             if (info) {
                 this.closeOpenFile(info);
@@ -856,6 +855,9 @@ module ts.server {
         }
 
         printProjects() {
+            if (!this.psLogger.isVerbose()) {
+                return;
+            }
             this.psLogger.startGroup();
             for (var i = 0, len = this.inferredProjects.length; i < len; i++) {
                 var project = this.inferredProjects[i];

src/server/protocol.d.ts

@@ -405,6 +405,13 @@ declare module ts.server.protocol {
         arguments: OpenRequestArgs;
     }
 
+    /**
+      *  Exit request; value of command field is "exit".  Ask the server process
+      *  to exit.
+      */
+    export interface ExitRequest extends Request {
+    }
+
     /**
       * Close request; value of command field is "close". Notify the
       * server that the client has closed a previously open file.  If

src/server/server.ts

@@ -177,16 +177,20 @@ module ts.server {
             super(host, logger);
         }
 
+        exit() {
+            this.projectService.log("Exiting...","Info");
+            this.projectService.closeLog();
+            process.exit(0);
+        }
+
         listen() {
             rl.on('line',(input: string) => {
                 var message = input.trim();
                 this.onMessage(message);
             });
 
             rl.on('close',() => {
-                this.projectService.log("Exiting...");
-                this.projectService.closeLog();
-                process.exit(0);
+                this.exit();
             });
         }
     }

src/server/session.ts

@@ -76,13 +76,14 @@ module ts.server {
     }
 
     export module CommandNames {
+        export var Brace = "brace";
         export var Change = "change";
         export var Close = "close";
         export var Completions = "completions";
         export var CompletionDetails = "completionEntryDetails";
-        export var SignatureHelp = "signatureHelp";        
         export var Configure = "configure";
         export var Definition = "definition";
+        export var Exit = "exit";
         export var Format = "format";
         export var Formatonkey = "formatonkey";
         export var Geterr = "geterr";
@@ -94,7 +95,7 @@ module ts.server {
         export var Reload = "reload";
         export var Rename = "rename";
         export var Saveto = "saveto";
-        export var Brace = "brace";
+        export var SignatureHelp = "signatureHelp";        
         export var Unknown = "unknown";
     }
 
@@ -758,6 +759,9 @@ module ts.server {
             }));
         }
 
+        exit() {
+        }
+
         onMessage(message: string) {
             if (this.logger.isVerbose()) {
                 this.logger.info("request: " + message);
@@ -769,6 +773,11 @@ module ts.server {
                 var errorMessage: string;
                 var responseRequired = true;
                 switch (request.command) {
+                    case CommandNames.Exit: {
+                        this.exit();
+                        responseRequired = false;
+                        break;
+                    }
                     case CommandNames.Definition: { 
                         var defArgs = <protocol.FileLocationRequestArgs>request.arguments;
                         response = this.getDefinition(defArgs.line, defArgs.offset, defArgs.file);