Tokenize one line at a time.

dart/site/try/project_server.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library trydart.projectServer;
 
 import 'dart:io';
 
 import 'dart:async' show
-    Future;
+    Future,
+    Stream;
 
 import 'dart:convert' show
     HtmlEscape,
     JSON,
     UTF8;
 
 class WatchHandler {
   final WebSocket socket;
 
   final Set<String> watchedFiles;
@@ skipping 117 matching lines @@
     print('Request for ${request.uri} ${response.statusCode}');
   }
 
   notFound(path) {
     response.statusCode = HttpStatus.NOT_FOUND;
     response.write(htmlInfo('Not Found',
                             'The file "$path" could not be found.'));
     response.close();
   }
 
-  redirect(String location) {
-    response.statusCode = HttpStatus.FOUND;
-    response.headers.add(HttpHeaders.LOCATION, location);
-    response.close();
-  }
-
   badRequest(String problem) {
     response.statusCode = HttpStatus.BAD_REQUEST;
     response.write(htmlInfo("Bad request",
                             "Bad request '${request.uri}': $problem"));
     response.close();
   }
 
   internalError(error, stack) {
     print(error);
     if (stack != null) print(stack);
@@ skipping 287 matching lines @@
     Conversation.packageRoot = Uri.base.resolve(arguments[4]);
   }
   HttpServer.bind(host, port).then((HttpServer server) {
     print('HTTP server started on http://$host:${server.port}/');
     server.listen(Conversation.onRequest, onError: Conversation.onError);
   }).catchError((e) {
     print("HttpServer.bind error: $e");
     exit(1);
   });
 }