Run closed_world2_test using the normal compiler pipeline.

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 91 matching lines @@
   // but may be inlined in a loop.
   static const int _mayInlineInLoopMustNotOutside = 1;
   // The function can be inlined in a loop, but not outside.
   static const int _canInlineInLoopMustNotOutside = 2;
   // May-inline means that we know that it can be inlined inside a loop, but
   // don't know about the general case yet.
   static const int _canInlineInLoopMayInlineOutside = 3;
   static const int _canInline = 4;
   static const int _mustInline = 5;
 
-  final Map<MethodElement, int> _cachedDecisions =
-      new Map<MethodElement, int>();
+  final Map<FunctionEntity, int> _cachedDecisions =
+      new Map<FunctionEntity, int>();
 
   /// Returns the current cache decision. This should only be used for testing.
   int getCurrentCacheDecisionForTesting(Element element) {
     return _cachedDecisions[element];
   }
 
   // Returns `true`/`false` if we have a cached decision.
   // Returns `null` otherwise.
-  bool canInline(MethodElement element, {bool insideLoop}) {
+  bool canInline(FunctionEntity element, {bool insideLoop}) {
     int decision = _cachedDecisions[element];
 
     if (decision == null) {
       // These synthetic elements are not yet present when we initially compute
       // this cache from metadata annotations, so look for their parent.
       if (element is ConstructorBodyElement) {
         ConstructorBodyElement body = element;
         decision = _cachedDecisions[body.constructor];
       }
       if (decision == null) {
@@ skipping 34 matching lines @@
         case _canInline:
         case _mustInline:
           return true;
       }
     }
 
     // Quiet static checker.
     return null;
   }
 
-  void markAsInlinable(MethodElement element, {bool insideLoop}) {
+  void markAsInlinable(FunctionEntity element, {bool insideLoop}) {
     int oldDecision = _cachedDecisions[element];
 
     if (oldDecision == null) {
       oldDecision = _unknown;
     }
 
     if (insideLoop) {
       switch (oldDecision) {
         case _mustNotInline:
           throw new SpannableAssertionFailure(
@@ skipping 34 matching lines @@
           break;
 
         case _canInline:
         case _mustInline:
           // Do nothing.
           break;
       }
     }
   }
 
-  void markAsNonInlinable(MethodElement element, {bool insideLoop: true}) {
+  void markAsNonInlinable(FunctionEntity element, {bool insideLoop: true}) {
     int oldDecision = _cachedDecisions[element];
 
     if (oldDecision == null) {
       oldDecision = _unknown;
     }
 
     if (insideLoop) {
       switch (oldDecision) {
         case _canInlineInLoopMustNotOutside:
         case _canInlineInLoopMayInlineOutside:
@@ skipping 37 matching lines @@
 
         case _mayInlineInLoopMustNotOutside:
         case _canInlineInLoopMustNotOutside:
         case _mustNotInline:
           // Do nothing.
           break;
       }
     }
   }
 
-  void markAsMustInline(MethodElement element) {
+  void markAsMustInline(FunctionEntity element) {
     _cachedDecisions[element] = _mustInline;
   }
 }
 
 enum SyntheticConstantKind {
   DUMMY_INTERCEPTOR,
   EMPTY_VALUE,
   TYPEVARIABLE_REFERENCE, // Reference to a type in reflection data.
   NAME
 }
@@ skipping 42 matching lines @@
 
   Namer get namer {
     assert(invariant(NO_LOCATION_SPANNABLE, _namer != null,
         message: "Namer has not been created yet."));
     return _namer;
   }
 
   /**
    * Set of classes whose `operator ==` methods handle `null` themselves.
    */
-  final Set<ClassElement> specialOperatorEqClasses = new Set<ClassElement>();
+  final Set<ClassEntity> specialOperatorEqClasses = new Set<ClassEntity>();
 
   List<CompilerTask> get tasks {
     List<CompilerTask> result = functionCompiler.tasks;
     result.add(emitter);
     result.add(patchResolverTask);
     result.add(kernelTask);
     return result;
   }
 
   final RuntimeTypesNeedBuilder _rtiNeedBuilder;
@@ skipping 354 matching lines @@
     if (class_.isSubclassOf(commonElements.jsArrayClass))
       return commonElements.jsArrayClass;
     return class_;
   }
 
   bool operatorEqHandlesNullArgument(FunctionElement operatorEqfunction) {
     return specialOperatorEqClasses.contains(operatorEqfunction.enclosingClass);
   }
 
   void validateInterceptorImplementsAllObjectMethods(
-      ClassElement interceptorClass) {
+      ClassEntity interceptorClass) {
     if (interceptorClass == null) return;
-    interceptorClass.ensureResolved(resolution);
-    ClassElement objectClass = commonElements.objectClass;
-    objectClass.forEachMember((_, Element member) {
-      if (member.isGenerativeConstructor) return;
-      Element interceptorMember = interceptorClass.lookupMember(member.name);
+    ClassEntity objectClass = commonElements.objectClass;
+    compiler.elementEnvironment.forEachClassMember(objectClass,
+        (_, MemberEntity member) {
+      if (member.isConstructor) return;
+      MemberEntity interceptorMember = compiler.elementEnvironment
+          .lookupClassMember(interceptorClass, member.name);
       // Interceptors must override all Object methods due to calling convention
       // differences.
       assert(invariant(interceptorMember,
           interceptorMember.enclosingClass == interceptorClass,
           message:
               "Member ${member.name} not overridden in ${interceptorClass}. "
               "Found $interceptorMember from "
               "${interceptorMember.enclosingClass}."));
     });
   }
@@ skipping 78 matching lines @@
 
   ResolutionEnqueuer createResolutionEnqueuer(
       CompilerTask task, Compiler compiler) {
     _nativeBasicData =
         nativeBasicDataBuilder.close(compiler.elementEnvironment);
     _nativeResolutionEnqueuer = new native.NativeResolutionEnqueuer(
         compiler.options,
         compiler.elementEnvironment,
         commonElements,
         backendUsageBuilder,
-        compiler.frontEndStrategy.createNativeClassResolver(nativeBasicData));
+        compiler.frontEndStrategy.createNativeClassFinder(nativeBasicData));
     _nativeData = new NativeDataImpl(nativeBasicData);
     _customElementsResolutionAnalysis = compiler.frontEndStrategy
         .createCustomElementsResolutionAnalysis(
             nativeBasicData, backendUsageBuilder);
     impactTransformer = new JavaScriptImpactTransformer(
         compiler.options,
         compiler.elementEnvironment,
         commonElements,
         impacts,
         nativeBasicData,
@@ skipping 318 matching lines @@
   /// Called when code generation has been completed.
   void onCodegenEnd() {
     sourceInformationStrategy.onComplete();
     tracer.close();
   }
 
   // Does this element belong in the output
   bool shouldOutput(Element element) => true;
 
   /// Returns `true` if the `native` pseudo keyword is supported for [library].
-  bool canLibraryUseNative(LibraryElement library) {
+  bool canLibraryUseNative(LibraryEntity library) {
     return native.maybeEnableNative(compiler, library);
   }
 
   bool isTargetSpecificLibrary(LibraryElement library) {
     Uri canonicalUri = library.canonicalUri;
     if (canonicalUri == Uris.dart__js_helper ||
         canonicalUri == Uris.dart__interceptors) {
       return true;
     }
     return false;
   }
 
   /// Process backend specific annotations.
   void processAnnotations(
       MemberElement element, ClosedWorldRefiner closedWorldRefiner) {
     if (element.isMalformed) {
       // Elements that are marked as malformed during parsing or resolution
       // might be registered here. These should just be ignored.
       return;
     }
 
-    MemberElement implementation = element.implementation;
     if (element.isFunction || element.isConstructor) {
-      if (annotations.noInline(implementation)) {
-        inlineCache.markAsNonInlinable(implementation);
+      MethodElement method = element.implementation;
+      if (annotations.noInline(method)) {
+        inlineCache.markAsNonInlinable(method);
       }
     }
+    if (element.isField) return;
+    MethodElement method = element;
 
-    LibraryElement library = element.library;
+    LibraryElement library = method.library;
     if (!library.isPlatformLibrary && !canLibraryUseNative(library)) return;
     bool hasNoInline = false;
     bool hasForceInline = false;
     bool hasNoThrows = false;
     bool hasNoSideEffects = false;
-    for (MetadataAnnotation metadata in element.implementation.metadata) {
+    for (MetadataAnnotation metadata in method.implementation.metadata) {
       metadata.ensureResolved(resolution);
       ConstantValue constantValue =
           compiler.constants.getConstantValue(metadata.constant);
       if (!constantValue.isConstructedObject) continue;
       ObjectConstantValue value = constantValue;
       ClassElement cls = value.type.element;
       if (cls == commonElements.forceInlineClass) {
         hasForceInline = true;
         if (VERBOSE_OPTIMIZER_HINTS) {
           reporter.reportHintMessage(
-              element, MessageKind.GENERIC, {'text': "Must inline"});
+              method, MessageKind.GENERIC, {'text': "Must inline"});
         }
-        inlineCache.markAsMustInline(element);
+        inlineCache.markAsMustInline(method);
       } else if (cls == commonElements.noInlineClass) {
         hasNoInline = true;
         if (VERBOSE_OPTIMIZER_HINTS) {
           reporter.reportHintMessage(
-              element, MessageKind.GENERIC, {'text': "Cannot inline"});
+              method, MessageKind.GENERIC, {'text': "Cannot inline"});
         }
-        inlineCache.markAsNonInlinable(element);
+        inlineCache.markAsNonInlinable(method);
       } else if (cls == commonElements.noThrowsClass) {
         hasNoThrows = true;
-        if (!Elements.isStaticOrTopLevelFunction(element) &&
-            !element.isFactoryConstructor) {
+        if (!Elements.isStaticOrTopLevelFunction(method) &&
+            !method.isFactoryConstructor) {
           reporter.internalError(
-              element,
+              method,
               "@NoThrows() is currently limited to top-level"
               " or static functions and factory constructors.");
         }
         if (VERBOSE_OPTIMIZER_HINTS) {
           reporter.reportHintMessage(
-              element, MessageKind.GENERIC, {'text': "Cannot throw"});
+              method, MessageKind.GENERIC, {'text': "Cannot throw"});
         }
-        closedWorldRefiner.registerCannotThrow(element);
+        closedWorldRefiner.registerCannotThrow(method);
       } else if (cls == commonElements.noSideEffectsClass) {
         hasNoSideEffects = true;
         if (VERBOSE_OPTIMIZER_HINTS) {
           reporter.reportHintMessage(
-              element, MessageKind.GENERIC, {'text': "Has no side effects"});
+              method, MessageKind.GENERIC, {'text': "Has no side effects"});
         }
-        closedWorldRefiner.registerSideEffectsFree(element);
+        closedWorldRefiner.registerSideEffectsFree(method);
       }
     }
     if (hasForceInline && hasNoInline) {
       reporter.internalError(
-          element, "@ForceInline() must not be used with @NoInline.");
+          method, "@ForceInline() must not be used with @NoInline.");
     }
     if (hasNoThrows && !hasNoInline) {
       reporter.internalError(
-          element, "@NoThrows() should always be combined with @NoInline.");
+          method, "@NoThrows() should always be combined with @NoInline.");
     }
     if (hasNoSideEffects && !hasNoInline) {
-      reporter.internalError(element,
-          "@NoSideEffects() should always be combined with @NoInline.");
+      reporter.internalError(
+          method, "@NoSideEffects() should always be combined with @NoInline.");
     }
   }
 
   MethodElement helperForBadMain() => commonElements.badMain;
 
   MethodElement helperForMissingMain() => commonElements.missingMain;
 
   MethodElement helperForMainArity() => commonElements.mainHasTooManyParameters;
 
   /// Enable deferred loading. Returns `true` if the backend supports deferred
@@ skipping 176 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);
   }
 }