Initial support for an explicit plugin list

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 252 matching lines @@
   AnalysisOptions get analysisOptions => _options;
 
   @override
   void set analysisOptions(AnalysisOptions options) {
     bool needsRecompute = this._options.analyzeFunctionBodiesPredicate !=
             options.analyzeFunctionBodiesPredicate ||
         this._options.generateImplicitErrors !=
             options.generateImplicitErrors ||
         this._options.generateSdkErrors != options.generateSdkErrors ||
         this._options.dart2jsHint != options.dart2jsHint ||
+        _notEqual(
+            this._options.enabledPluginNames, options.enabledPluginNames) ||
         _notEqual(this._options.errorProcessors, options.errorProcessors) ||
         _notEqual(this._options.excludePatterns, options.excludePatterns) ||
         (this._options.hint && !options.hint) ||
         (this._options.lint && !options.lint) ||
         _notEqual(this._options.lintRules, options.lintRules) ||
         this._options.preserveComments != options.preserveComments ||
         this._options.strongMode != options.strongMode ||
         this._options.enableAssertInitializer !=
             options.enableAssertInitializer ||
         this._options.enableLazyAssignmentOperators !=
@@ skipping 21 matching lines @@
         options.analyzeFunctionBodiesPredicate;
     this._options.generateImplicitErrors = options.generateImplicitErrors;
     this._options.generateSdkErrors = options.generateSdkErrors;
     this._options.dart2jsHint = options.dart2jsHint;
     this._options.enableAssertInitializer = options.enableAssertInitializer;
     this._options.enableStrictCallChecks = options.enableStrictCallChecks;
     this._options.enableLazyAssignmentOperators =
         options.enableLazyAssignmentOperators;
     this._options.enableSuperMixins = options.enableSuperMixins;
     this._options.enableTiming = options.enableTiming;
+    this._options.enabledPluginNames = options.enabledPluginNames;
     this._options.errorProcessors = options.errorProcessors;
     this._options.excludePatterns = options.excludePatterns;
     this._options.hint = options.hint;
     this._options.lint = options.lint;
     this._options.lintRules = options.lintRules;
     this._options.preserveComments = options.preserveComments;
     if (this._options.strongMode != options.strongMode) {
       _typeSystem = null;
     }
     this._options.strongMode = options.strongMode;
@@ skipping 1785 matching lines @@
     }
     DartSdk sdk = factory.dartSdk;
     if (sdk == null) {
       throw new ArgumentError(
           "The source factory for an SDK analysis context must have a DartUriResolver");
     }
     return new AnalysisCache(
         <CachePartition>[AnalysisEngine.instance.partitionManager.forSdk(sdk)]);
   }
 }