Fine. Add --with-fine-dependencies option for DAS.

Change-Id: I40d600320d30ee8a31b2392ad3106e43f58e12f2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/450942
Reviewed-by: Samuel Rawlins <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>

Author: scheglov

pkg/analysis_server/lib/src/analysis_server.dart

@@ -381,6 +381,7 @@ abstract class AnalysisServer {
       analysisDriverScheduler,
       instrumentationService,
       enableBlazeWatcher: enableBlazeWatcher,
+      withFineDependencies: options.withFineDependencies,
     );
 
     _dartFixPrompt =

pkg/analysis_server/lib/src/context_manager.dart

@@ -256,6 +256,9 @@ class ContextManagerImpl implements ContextManager {
   /// `--enable-experiment` command-line option.
   final List<String> _enabledExperiments;
 
+  /// Whether to enable fine-grained dependencies.
+  final bool withFineDependencies;
+
   /// Information about the current/last queued context rebuild.
   ///
   /// This is used when a new build is requested to cancel any in-progress
@@ -274,6 +277,7 @@ class ContextManagerImpl implements ContextManager {
     this._scheduler,
     this._instrumentationService, {
     required bool enableBlazeWatcher,
+    this.withFineDependencies = false,
   }) : pathContext = resourceProvider.pathContext {
     if (enableBlazeWatcher) {
       blazeWatcherService = BlazeFileWatcherService(_instrumentationService);
@@ -597,6 +601,7 @@ class ContextManagerImpl implements ContextManager {
           fileContentCache: _fileContentCache,
           unlinkedUnitStore: _unlinkedUnitStore,
           enabledExperiments: _enabledExperiments,
+          withFineDependencies: withFineDependencies,
         );
 
         for (var analysisContext in collection.contexts) {

pkg/analysis_server/lib/src/legacy_analysis_server.dart

@@ -175,6 +175,9 @@ class AnalysisServerOptions {
   /// Experiments which have been enabled (or disabled) via the
   /// `--enable-experiment` command-line option.
   List<String> enabledExperiments = [];
+
+  /// Whether to enable fine-grained dependencies.
+  bool withFineDependencies = false;
 }
 
 /// Instances of the class [LegacyAnalysisServer] implement a server that

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

@@ -136,6 +136,9 @@ class Driver implements ServerStarter {
   /// Flag to not use a (Evicting)FileByteStore.
   static const String DISABLE_FILE_BYTE_STORE = 'disable-file-byte-store';
 
+  /// The name of the flag to enable fine-grained dependencies.
+  static const String WITH_FINE_DEPENDENCIES = 'with-fine-dependencies';
+
   /// The builder for attachments that should be included into crash reports.
   CrashReportingAttachmentsBuilder crashReportingAttachmentsBuilder =
       CrashReportingAttachmentsBuilder.empty;
@@ -185,6 +188,9 @@ class Driver implements ServerStarter {
     analysisServerOptions.reportProtocolVersion = results.option(
       REPORT_PROTOCOL_VERSION,
     );
+    analysisServerOptions.withFineDependencies = results.flag(
+      WITH_FINE_DEPENDENCIES,
+    );
 
     analysisServerOptions.enabledExperiments = results.multiOption(
       ENABLE_EXPERIMENT,
@@ -851,6 +857,11 @@ class Driver implements ServerStarter {
           'Disable use of (Evicting)FileByteStore. Intended for benchmarking.',
       hide: true,
     );
+    parser.addFlag(
+      WITH_FINE_DEPENDENCIES,
+      help: 'Enable fine-grained dependencies.',
+      hide: true,
+    );
     parser.addFlag(
       DISABLE_SERVER_EXCEPTION_HANDLING,
       // TODO(jcollins-g): Pipeline option through and apply to all