Integration of the new analysis driver, behind a flag.

pkg/analysis_server/lib/src/server/driver.dart

Index: pkg/analysis_server/lib/src/server/driver.dart
diff --git a/pkg/analysis_server/lib/src/server/driver.dart b/pkg/analysis_server/lib/src/server/driver.dart
index 3095df81c368e09dd0d629ff5f181abf3d49673b..df6df7bc05dddf31ec8f90225ee76eabc553da8c 100644
--- a/pkg/analysis_server/lib/src/server/driver.dart
+++ b/pkg/analysis_server/lib/src/server/driver.dart
@@ -245,6 +245,11 @@ class Driver implements ServerStarter {
   /**
    * The name of the option used to enable using pub summary manager.
    */
+  static const String ENABLE_NEW_ANALYSIS_DRIVER = 'enable-new-analysis-driver';
+
+  /**
+   * The name of the option used to enable using pub summary manager.
+   */
   static const String ENABLE_PUB_SUMMARY_MANAGER = 'enable-pub-summary-manager';
 
   /**
@@ -383,6 +388,8 @@ class Driver implements ServerStarter {
         results[ENABLE_INCREMENTAL_RESOLUTION_API];
     analysisServerOptions.enableIncrementalResolutionValidation =
         results[INCREMENTAL_RESOLUTION_VALIDATION];
+    analysisServerOptions.enableNewAnalysisDriver =
+      results[ENABLE_NEW_ANALYSIS_DRIVER];
     analysisServerOptions.enablePubSummaryManager =
         results[ENABLE_PUB_SUMMARY_MANAGER];
     analysisServerOptions.finerGrainedInvalidation =
@@ -532,6 +539,10 @@ class Driver implements ServerStarter {
         help: "enable validation of incremental resolution results (slow)",
         defaultsTo: false,
         negatable: false);
+    parser.addFlag(ENABLE_NEW_ANALYSIS_DRIVER,
+        help: "enable using new analysis driver",
+        defaultsTo: false,
+        negatable: false);
     parser.addFlag(ENABLE_PUB_SUMMARY_MANAGER,
         help: "enable using summaries for pub cache packages",
         defaultsTo: false,