Add more factory methods to FrontEndStrategy.

pkg/compiler/lib/src/js_backend/backend.dart

 // Copyright (c) 2012, 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 js_backend.backend;
 
 import '../common.dart';
 import '../common/backend_api.dart'
     show ForeignResolver, NativeRegistry, ImpactTransformer;
 import '../common/codegen.dart' show CodegenImpact, CodegenWorkItem;
@@ skipping 10 matching lines @@
 import '../elements/elements.dart';
 import '../elements/entities.dart';
 import '../elements/resolution_types.dart';
 import '../elements/types.dart';
 import '../enqueue.dart'
     show
         DirectEnqueuerStrategy,
         Enqueuer,
         EnqueueTask,
         ResolutionEnqueuer,
-        ResolutionWorkItemBuilder,
         TreeShakingEnqueuerStrategy;
 import '../frontend_strategy.dart';
 import '../io/multi_information.dart' show MultiSourceInformationStrategy;
 import '../io/position_information.dart' show PositionSourceInformationStrategy;
 import '../io/source_information.dart' show SourceInformationStrategy;
 import '../io/start_end_information.dart'
     show StartEndSourceInformationStrategy;
 import '../js/js.dart' as jsAst;
 import '../js/js.dart' show js;
 import '../js/js_source_mapping.dart' show JavaScriptSourceInformationStrategy;
@@ skipping 312 matching lines @@
   final Set<ClassElement> specialOperatorEqClasses = new Set<ClassElement>();
 
   List<CompilerTask> get tasks {
     List<CompilerTask> result = functionCompiler.tasks;
     result.add(emitter);
     result.add(patchResolverTask);
     result.add(kernelTask);
     return result;
   }
 
-  final RuntimeTypesNeedBuilder _rtiNeedBuilder =
-      new _RuntimeTypesNeedBuilder();
+  final RuntimeTypesNeedBuilder _rtiNeedBuilder;
   RuntimeTypesNeed _rtiNeed;
   final _RuntimeTypes _rti;
 
   RuntimeTypesEncoder _rtiEncoder;
 
   /// True if the html library has been loaded.
   bool htmlLibraryIsLoaded = false;
 
   /// Resolution analysis for tracking reflective access to type variables.
   TypeVariableResolutionAnalysis _typeVariableResolutionAnalysis;
@@ skipping 103 matching lines @@
       bool useMultiSourceInfo: false,
       bool useNewSourceInfo: false,
       bool useKernel: false})
       : _rti = new _RuntimeTypes(compiler),
         annotations = new Annotations(compiler),
         this.sourceInformationStrategy = createSourceInformationStrategy(
             generateSourceMap: generateSourceMap,
             useMultiSourceInfo: useMultiSourceInfo,
             useNewSourceInfo: useNewSourceInfo),
         constantCompilerTask = new JavaScriptConstantTask(compiler),
-        _nativeDataResolver = new NativeDataResolverImpl(compiler) {
+        _nativeDataResolver = new NativeDataResolverImpl(compiler),
+        _rtiNeedBuilder =
+            compiler.frontEndStrategy.createRuntimeTypesNeedBuilder() {
     _target = new JavaScriptBackendTarget(this);
     impacts = new BackendImpacts(compiler.options, commonElements);
-    _mirrorsData = new MirrorsDataImpl(
-        compiler, compiler.options, commonElements, constants);
+    _mirrorsData = compiler.frontEndStrategy.createMirrorsDataBuilder();
     _backendUsageBuilder = new BackendUsageBuilderImpl(commonElements);
     _checkedModeHelpers = new CheckedModeHelpers(commonElements);
     emitter =
         new CodeEmitterTask(compiler, generateSourceMap, useStartupEmitter);
 
     _typeVariableResolutionAnalysis = new TypeVariableResolutionAnalysis(
         compiler.elementEnvironment, impacts, backendUsageBuilder);
     jsInteropAnalysis = new JsInteropAnalysis(this);
     _mirrorsResolutionAnalysis =
-        new MirrorsResolutionAnalysisImpl(this, compiler.resolution);
+        compiler.frontEndStrategy.createMirrorsResolutionAnalysis(this);
     lookupMapResolutionAnalysis =
         new LookupMapResolutionAnalysis(reporter, compiler.elementEnvironment);
 
     noSuchMethodRegistry = new NoSuchMethodRegistry(
-        commonElements, new NoSuchMethodResolverImpl());
+        commonElements, compiler.frontEndStrategy.createNoSuchMethodResolver());
     kernelTask = new KernelTask(compiler);
     patchResolverTask = new PatchResolverTask(compiler);
     functionCompiler =
         new SsaFunctionCompiler(this, sourceInformationStrategy, useKernel);
     serialization = new JavaScriptBackendSerialization(this);
   }
 
   /// The [ConstantSystem] used to interpret compile-time constants for this
   /// backend.
   ConstantSystem get constantSystem => constants.constantSystem;
@@ skipping 307 matching lines @@
       CompilerTask task, Compiler compiler) {
     _nativeBasicData =
         nativeBasicDataBuilder.close(compiler.elementEnvironment);
     _nativeResolutionEnqueuer = new native.NativeResolutionEnqueuer(
         compiler.options,
         compiler.elementEnvironment,
         commonElements,
         backendUsageBuilder,
         compiler.frontEndStrategy.createNativeClassResolver(nativeBasicData));
     _nativeData = new NativeDataImpl(nativeBasicData);
-    _customElementsResolutionAnalysis = new CustomElementsResolutionAnalysis(
-        compiler.resolution,
-        constantSystem,
-        commonElements,
-        nativeBasicData,
-        backendUsageBuilder);
+    _customElementsResolutionAnalysis = compiler.frontEndStrategy
+        .createCustomElementsResolutionAnalysis(
+            nativeBasicData, backendUsageBuilder);
     impactTransformer = new JavaScriptImpactTransformer(
         compiler.options,
         compiler.elementEnvironment,
         commonElements,
         impacts,
         nativeBasicData,
         _nativeResolutionEnqueuer,
         backendUsageBuilder,
         mirrorsDataBuilder,
         customElementsResolutionAnalysis,
@@ skipping 18 matching lines @@
             rtiNeedBuilder,
             mirrorsDataBuilder,
             noSuchMethodRegistry,
             customElementsResolutionAnalysis,
             lookupMapResolutionAnalysis,
             mirrorsResolutionAnalysis,
             typeVariableResolutionAnalysis,
             _nativeResolutionEnqueuer,
             compiler.deferredLoadTask,
             kernelTask),
-        new ElementResolutionWorldBuilder(
-            this, compiler.resolution, const OpenWorldStrategy()),
-        new ResolutionWorkItemBuilder(compiler.resolution));
+        compiler.frontEndStrategy.createResolutionWorldBuilder(
+            nativeBasicData, const OpenWorldStrategy()),
+        compiler.frontEndStrategy
+            .createResolutionWorkItemBuilder(impactTransformer));
   }
 
   /// Creates an [Enqueuer] for code generation specific to this backend.
   CodegenEnqueuer createCodegenEnqueuer(
       CompilerTask task, Compiler compiler, ClosedWorld closedWorld) {
     _typeVariableCodegenAnalysis = new TypeVariableCodegenAnalysis(
         compiler.elementEnvironment, this, commonElements, mirrorsData);
     _lookupMapAnalysis = new LookupMapAnalysis(
         reporter,
         constantSystem,
@@ skipping 558 matching lines @@
 
   bool canUseAliasedSuperMember(MemberEntity member, Selector selector) {
     return !selector.isGetter;
   }
 
   /// Returns `true` if [member] is called from a subclass via `super`.
   bool isAliasedSuperMember(MemberEntity member) {
     return _aliasedSuperMembers.contains(member);
   }
 }