Add '--finer-grained-invalidation' option to Analysis Server.

pkg/analyzer/lib/src/context/context.dart

 // Copyright (c) 2015, 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 analyzer.src.context.context;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 291 matching lines @@
     this._options.enableSuperMixins = options.enableSuperMixins;
     this._options.enableTiming = options.enableTiming;
     this._options.hint = options.hint;
     this._options.incremental = options.incremental;
     this._options.incrementalApi = options.incrementalApi;
     this._options.incrementalValidation = options.incrementalValidation;
     this._options.lint = options.lint;
     this._options.preserveComments = options.preserveComments;
     this._options.strongMode = options.strongMode;
     this._options.trackCacheDependencies = options.trackCacheDependencies;
+    this._options.finerGrainedInvalidation = options.finerGrainedInvalidation;
     if (options is AnalysisOptionsImpl) {
       this._options.strongModeHints = options.strongModeHints;
       this._options.implicitCasts = options.implicitCasts;
     }
     if (needsRecompute) {
       for (WorkManager workManager in workManagers) {
         workManager.onAnalysisOptionsChanged();
       }
     }
   }
@@ skipping 1543 matching lines @@
           }
           return;
         }
       } catch (e) {
         entry.modificationTime = -1;
       }
     }
     // We need to invalidate the cache.
     {
       Object delta = null;
-      if (AnalysisEngine.instance.limitInvalidationInTaskModel &&
+      if (analysisOptions.finerGrainedInvalidation &&
           AnalysisEngine.isDartFileName(source.fullName)) {
         // TODO(scheglov) Incorrect implementation in general.
         entry.setState(TOKEN_STREAM, CacheState.FLUSHED);
         entry.setState(PARSED_UNIT, CacheState.FLUSHED);
         List<Source> librarySources = getLibrariesContaining(source);
         if (librarySources.length == 1) {
           Source librarySource = librarySources[0];
           CompilationUnit oldUnit =
               getResolvedCompilationUnit2(source, librarySource);
           if (oldUnit != null) {
@@ skipping 353 matching lines @@
     }
     DartSdk sdk = factory.dartSdk;
     if (sdk == null) {
       throw new IllegalArgumentException(
           "The source factory for an SDK analysis context must have a DartUriResolver");
     }
     return new AnalysisCache(
         <CachePartition>[AnalysisEngine.instance.partitionManager.forSdk(sdk)]);
   }
 }