Add --enable-incremental-resolution option.

pkg/analysis_server/lib/driver.dart

 // Copyright (c) 2014, 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 driver;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:analysis_server/http_server.dart';
+import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/socket_server.dart';
 import 'package:analysis_server/stdio_server.dart';
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/sdk_io.dart';
 import 'package:args/args.dart';
 
 /**
  * The [Driver] class represents a single running instance of the analysis
  * server application.  It is responsible for parsing command line options
  * and starting the HTTP and/or stdio servers.
  */
 class Driver {
   /**
    * The name of the application that is used to start a server.
    */
   static const BINARY_NAME = "server";
 
   /**
+   * The name of the option used to enable incremental resolution.
+   */
+  static const String ENABLE_INCREMENTAL_RESOLUTION =
+      "enable-incremental-resolution";
+
+  /**
    * The name of the option used to enable instrumentation.
    */
   static const String ENABLE_INSTRUMENTATION_OPTION = "enable-instrumentation";
 
   /**
    * The name of the option used to print usage information.
    */
   static const String HELP_OPTION = "help";
 
   /**
@@ skipping 27 matching lines @@
 
   StdioAnalysisServer stdioServer;
 
   Driver();
   /**
    * Use the given command-line arguments to start this server.
    */
   void start(List<String> args) {
     ArgParser parser = new ArgParser();
     parser.addFlag(
+        ENABLE_INCREMENTAL_RESOLUTION,
+        help: "enable using incremental resolution",
+        defaultsTo: false,
+        negatable: false);
+    parser.addFlag(
         ENABLE_INSTRUMENTATION_OPTION,
         help: "enable sending instrumentation information to a server",
         defaultsTo: false,
         negatable: false);
     parser.addFlag(
         HELP_OPTION,
         help: "print this help message without starting a server",
         defaultsTo: false,
         negatable: false);
     parser.addOption(
@@ skipping 17 matching lines @@
     }
     if (results[ENABLE_INSTRUMENTATION_OPTION]) {
       if (results[INSTRUMENTATION_LOG_FILE_OPTION] != null) {
         // TODO(brianwilkerson) Initialize the instrumentation system with
         // logging.
       } else {
         // TODO(brianwilkerson) Initialize the instrumentation system without
         // logging.
       }
     }
+
     int port;
     bool serve_http = false;
     if (results[PORT_OPTION] != null) {
       serve_http = true;
       try {
         port = int.parse(results[PORT_OPTION]);
       } on FormatException {
         print('Invalid port number: ${results[PORT_OPTION]}');
         print('');
         _printUsage(parser);
         exitCode = 1;
         return;
       }
     }
+
+    AnalysisServerOptions analysisServerOptions = new AnalysisServerOptions();
+    analysisServerOptions.enableIncrementalResolution =
+        results[ENABLE_INCREMENTAL_RESOLUTION];
+
     DartSdk defaultSdk;
     if (results[SDK_OPTION] != null) {
       defaultSdk = new DirectoryBasedDartSdk(new JavaFile(results[SDK_OPTION]));
     } else {
       // No path to the SDK provided; use DirectoryBasedDartSdk.defaultSdk,
       // which will make a guess.
       defaultSdk = DirectoryBasedDartSdk.defaultSdk;
     }
 
-    socketServer = new SocketServer(defaultSdk);
+    socketServer = new SocketServer(analysisServerOptions, defaultSdk);
     httpServer = new HttpAnalysisServer(socketServer);
     stdioServer = new StdioAnalysisServer(socketServer);
 
     if (serve_http) {
       httpServer.serveHttp(port);
     }
     _capturePrints(() {
       stdioServer.serveStdio().then((_) {
         if (serve_http) {
           httpServer.close();
@@ skipping 20 matching lines @@
   /**
    * Print information about how to use the server.
    */
   void _printUsage(ArgParser parser) {
     print('Usage: $BINARY_NAME [flags]');
     print('');
     print('Supported flags are:');
     print(parser.usage);
   }
 }