Towards compiling Hello World!

pkg/compiler/lib/src/js_backend/constant_emitter.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.
 
 import '../common.dart';
 import '../common_elements.dart';
 import '../constants/values.dart';
+import '../elements/elements.dart';
+import '../elements/entities.dart';
 import '../elements/resolution_types.dart';
-import '../elements/elements.dart';
 import '../io/code_output.dart';
 import '../js/js.dart' as jsAst;
 import '../js/js.dart' show js;
 import '../js_emitter/code_emitter_task.dart';
 import '../options.dart';
+import '../universe/world_builder.dart';
 import 'constant_system_javascript.dart';
 import 'js_backend.dart';
 import 'namer.dart';
 import 'runtime_types.dart';
 
 typedef jsAst.Expression _ConstantReferenceGenerator(ConstantValue constant);
 
 typedef jsAst.Expression _ConstantListGenerator(jsAst.Expression array);
 
 /**
  * Generates the JavaScript expressions for constants.
  *
  * It uses a given [constantReferenceGenerator] to reference nested constants
  * (if there are some). It is hence up to that function to decide which
  * constants should be inlined or not.
  */
 class ConstantEmitter implements ConstantValueVisitor<jsAst.Expression, Null> {
   // Matches blank lines, comment lines and trailing comments that can't be part
   // of a string.
   static final RegExp COMMENT_RE =
       new RegExp(r'''^ *(//.*)?\n|  *//[^''"\n]*$''', multiLine: true);
 
   final CompilerOptions _options;
   final CommonElements _commonElements;
+  final CodegenWorldBuilder _worldBuilder;
   final RuntimeTypesNeed _rtiNeed;
   final RuntimeTypesEncoder _rtiEncoder;
   final Namer _namer;
   final CodeEmitterTask _task;
   final _ConstantReferenceGenerator constantReferenceGenerator;
   final _ConstantListGenerator makeConstantList;
 
   /**
    * The given [constantReferenceGenerator] function must, when invoked with a
    * constant, either return a reference or return its literal expression if it
    * can be inlined.
    */
   ConstantEmitter(
       this._options,
       this._commonElements,
+      this._worldBuilder,
       this._rtiNeed,
       this._rtiEncoder,
       this._namer,
       this._task,
       this.constantReferenceGenerator,
       this.makeConstantList);
 
   Emitter get _emitter => _task.emitter;
 
   /**
@@ skipping 212 matching lines @@
   @override
   jsAst.Expression visitType(TypeConstantValue constant, [_]) {
     ResolutionDartType type = constant.representedType;
     jsAst.Name typeName = _namer.runtimeTypeName(type.element);
     return new jsAst.Call(getHelperProperty(_commonElements.createRuntimeType),
         [js.quoteName(typeName)]);
   }
 
   @override
   jsAst.Expression visitInterceptor(InterceptorConstantValue constant, [_]) {
-    ClassElement interceptorClass = constant.cls;
+    ClassEntity interceptorClass = constant.cls;
     return _task.interceptorPrototypeAccess(interceptorClass);
   }
 
   @override
   jsAst.Expression visitSynthetic(SyntheticConstantValue constant, [_]) {
     switch (constant.valueKind) {
       case SyntheticConstantKind.DUMMY_INTERCEPTOR:
       case SyntheticConstantKind.EMPTY_VALUE:
         return new jsAst.LiteralNumber('0');
       case SyntheticConstantKind.TYPEVARIABLE_REFERENCE:
       case SyntheticConstantKind.NAME:
         return constant.payload;
       default:
         throw new SpannableAssertionFailure(NO_LOCATION_SPANNABLE,
             "Unexpected DummyConstantKind ${constant.kind}");
     }
   }
 
   @override
   jsAst.Expression visitConstructed(ConstructedConstantValue constant, [_]) {
-    ClassElement element = constant.type.element;
+    ClassEntity element = constant.type.element;
     if (element == _commonElements.jsConstClass) {
       StringConstantValue str = constant.fields.values.single;
       String value = str.primitiveValue;
       return new jsAst.LiteralExpression(stripComments(value));
     }
     jsAst.Expression constructor =
         _emitter.constructorAccess(constant.type.element);
     List<jsAst.Expression> fields = <jsAst.Expression>[];
-    element.forEachInstanceField((_, FieldElement field) {
+    _worldBuilder.forEachInstanceField(element, (_, FieldEntity field) {
       fields.add(constantReferenceGenerator(constant.fields[field]));
-    }, includeSuperAndInjectedMembers: true);
+    });
     if (_rtiNeed.classNeedsRtiField(constant.type.element)) {
       fields.add(_reifiedTypeArguments(constant.type));
     }
     jsAst.New instantiation = new jsAst.New(constructor, fields);
     return instantiation;
   }
 
   String stripComments(String rawJavaScript) {
     return rawJavaScript.replaceAll(COMMENT_RE, '');
   }
@@ skipping 24 matching lines @@
           _rtiEncoder.getTypeRepresentation(_emitter, argument, unexpected));
     }
     return new jsAst.ArrayInitializer(arguments);
   }
 
   @override
   jsAst.Expression visitDeferred(DeferredConstantValue constant, [_]) {
     return constantReferenceGenerator(constant.referenced);
   }
 }