Extract ClosedWorldRefiner implementation from ClosedWorldImpl to ClosedWorldBase

pkg/compiler/lib/src/compiler.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 dart2js.compiler_base;
 
 import 'dart:async' show Future;
 
 import '../compiler_new.dart' as api;
 import 'closure.dart' as closureMapping show ClosureTask;
@@ skipping 818 matching lines @@
    * the queues are empty (nothing was added after we stopped
    * processing the queues). Also compute the number of methods that
    * were resolved, but not compiled (aka excess resolution).
    */
   checkQueues(Enqueuer resolutionEnqueuer, Enqueuer codegenEnqueuer) {
     for (Enqueuer enqueuer in [resolutionEnqueuer, codegenEnqueuer]) {
       enqueuer.checkQueueIsEmpty();
     }
     if (!REPORT_EXCESS_RESOLUTION) return;
     var resolved = new Set.from(resolutionEnqueuer.processedEntities);
-    for (Element e in codegenEnqueuer.processedEntities) {
+    for (MemberEntity e in codegenEnqueuer.processedEntities) {
       resolved.remove(e);
     }
-    for (Element e in new Set.from(resolved)) {
-      if (e.isClass ||
-          e.isField ||
-          e.isTypeVariable ||
-          e.isTypedef ||
-          identical(e.kind, ElementKind.ABSTRACT_FIELD)) {
+    for (MemberEntity e in new Set.from(resolved)) {
+      if (e.isField) {
         resolved.remove(e);
       }
-      if (identical(e.kind, ElementKind.GENERATIVE_CONSTRUCTOR)) {
+      if (e.isConstructor && (e as ConstructorEntity).isGenerativeConstructor) {
         resolved.remove(e);
       }
       if (backend.isTargetSpecificLibrary(e.library)) {
         resolved.remove(e);
       }
     }
     reporter.log('Excess resolution work: ${resolved.length}.');
-    for (Element e in resolved) {
+    for (MemberEntity e in resolved) {
       reporter.reportWarningMessage(e, MessageKind.GENERIC,
           {'text': 'Warning: $e resolved but not compiled.'});
     }
   }
 
   void showResolutionProgress(Enqueuer enqueuer) {
     if (shouldPrintProgress) {
       // TODO(ahe): Add structured diagnostics to the compiler API and
       // use it to separate this from the --verbose option.
       assert(phase == PHASE_RESOLVING);
@@ skipping 1133 matching lines @@
   ResolutionFunctionType getLocalFunctionType(LocalFunctionElement function) {
     return function.type;
   }
 
   @override
   ResolutionDartType getUnaliasedType(ResolutionDartType type) {
     type.computeUnaliased(_resolution);
     return type.unaliased;
   }
 }