IdeOptions awareness for Driver (for access via IDEA registry).

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 a96f054495fbc03fa5fabea87ba9b89435588d0e..fec24785f66b1c87cc4a26d72ba19fdab4b6911f 100644
--- a/pkg/analysis_server/lib/src/server/driver.dart
+++ b/pkg/analysis_server/lib/src/server/driver.dart
@@ -277,6 +277,12 @@ class Driver implements ServerStarter {
   static const String NEW_ANALYSIS_DRIVER_LOG = 'new-analysis-driver-log';
 
   /**
+   * The name of the option used to enable verbose Flutter completion code generation.
+   */
+  static const String VERBOSE_FLUTTER_COMPLETIONS =
+      'verbose-flutter-completions';
+
+  /**
    * The name of the flag used to disable the index.
    */
   static const String NO_INDEX = "no-index";
@@ -398,6 +404,8 @@ class Driver implements ServerStarter {
     analysisServerOptions.fileReadMode = results[FILE_READ_MODE];
     analysisServerOptions.newAnalysisDriverLog =
         results[NEW_ANALYSIS_DRIVER_LOG];
+    analysisServerOptions.enableVerboseFlutterCompletions =
+        results[VERBOSE_FLUTTER_COMPLETIONS];
 
     _initIncrementalLogger(results[INCREMENTAL_RESOLUTION_LOG]);
 
@@ -564,6 +572,8 @@ class Driver implements ServerStarter {
         negatable: false);
     parser.addOption(NEW_ANALYSIS_DRIVER_LOG,
         help: "set a destination for the new analysis driver's log");
+    parser.addOption(VERBOSE_FLUTTER_COMPLETIONS,
+        help: "enable verbose code completion for Flutter (experimental)");
     parser.addOption(PORT_OPTION,
         help: "the http diagnostic port on which the server provides"
             " status and performance information");
@@ -666,10 +676,10 @@ class _DiagnosticServerImpl extends DiagnosticServer {
 
   _DiagnosticServerImpl();
 
+  @override
+  Future<int> getServerPort() => httpServer.serveHttp();
+
   Future startOnPort(int port) {
     return httpServer.serveHttp(port);
   }
-
-  @override
-  Future<int> getServerPort() => httpServer.serveHttp();
 }