Towards compiling Hello World!

pkg/compiler/lib/src/js_emitter/program_builder/program_builder.dart

 // Copyright (c) 2014, 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.js_emitter.program_builder;
 
 import 'dart:io';
 import 'dart:convert' show JSON;
 
 import '../../closure.dart' show ClosureTask, ClosureFieldElement;
@@ skipping 177 matching lines @@
   Set<Class> _unneededNativeClasses;
 
   /// Classes that have been allocated during a profile run.
   ///
   /// These classes should not be soft-deferred.
   ///
   /// Also contains classes that are not tracked by the profile run (like
   /// interceptors, ...).
   Set<ClassElement> _notSoftDeferred;
 
+  Sorter get _sorter => _task.sorter;
+
   Program buildProgram({bool storeFunctionTypesInMetadata: false}) {
     collector.collect();
     _initializeSoftDeferredMap();
 
     this._storeFunctionTypesInMetadata = storeFunctionTypesInMetadata;
     // Note: In rare cases (mostly tests) output units can be empty. This
     // happens when the deferred code is dead-code eliminated but we still need
     // to check that the library has been loaded.
     _deferredLoadTask.allOutputUnits.forEach(_registry.registerOutputUnit);
     collector.outputClassLists.forEach(_registry.registerClasses);
@@ skipping 245 matching lines @@
     // TODO(floitsch): we shouldn't update the registry in the middle of
     // building a static field. (Note that the static-state holder was
     // already registered earlier, and that we just call the register to get
     // the holder-instance.
     return new StaticField(
         element, name, _registerStaticStateHolder(), code, isFinal, isLazy);
   }
 
   List<StaticField> _buildStaticLazilyInitializedFields(
       LibrariesMap librariesMap) {
-    Iterable<FieldElement> lazyFields = _constantHandler
+    Iterable<FieldEntity> lazyFields = _constantHandler
         .getLazilyInitializedFieldsForEmission()
-        .where((element) =>
-            _deferredLoadTask.outputUnitForElement(element) ==
+        .where((FieldEntity element) =>
+            _deferredLoadTask.outputUnitForMember(element) ==
             librariesMap.outputUnit);
-    return Elements
-        .sortedByPosition(lazyFields)
+    return _sorter
+        .sortMembers(lazyFields)
         .map(_buildLazyField)
         .where((field) => field != null) // Happens when the field was unused.
         .toList(growable: false);
   }
 
-  StaticField _buildLazyField(FieldElement element) {
+  StaticField _buildLazyField(FieldEntity element) {
     js.Expression code = _generatedCode[element];
     // The code is null if we ended up not needing the lazily
     // initialized field after all because of constant folding
     // before code generation.
     if (code == null) return null;
 
     js.Name name = _namer.globalPropertyNameForMember(element);
-    bool isFinal = element.isFinal;
+    bool isFinal = !element.isAssignable;
     bool isLazy = true;
     // TODO(floitsch): we shouldn't update the registry in the middle of
     // building a static field. (Note that the static-state holder was
     // already registered earlier, and that we just call the register to get
     // the holder-instance.
     return new StaticField(
         element, name, _registerStaticStateHolder(), code, isFinal, isLazy);
   }
 
   List<Library> _buildLibraries(LibrariesMap librariesMap) {
@@ skipping 479 matching lines @@
     }
   }
 
   List<ParameterStubMethod> _generateParameterStubs(
       FunctionEntity element, bool canTearOff) {
     if (!_methodNeedsStubs(element)) return const <ParameterStubMethod>[];
 
     ParameterStubGenerator generator = new ParameterStubGenerator(
         _commonElements,
         _task,
-        _constantHandler,
         _namer,
         _nativeData,
         _interceptorData,
         _worldBuilder,
         _closedWorld);
     return generator.generateParameterStubs(element, canTearOff: canTearOff);
   }
 
   /// Builds a stub method.
   ///
   /// Stub methods may have an element that can be used for code-size
   /// attribution.
   Method _buildStubMethod(js.Name name, js.Expression code,
       {MemberElement element}) {
     return new StubMethod(name, code, element: element);
   }
 
   // The getInterceptor methods directly access the prototype of classes.
   // We must evaluate these classes eagerly so that the prototype is
   // accessible.
   void _markEagerInterceptorClasses() {
     Iterable<js.Name> names =
         _oneShotInterceptorData.specializedGetInterceptorNames;
     for (js.Name name in names) {
-      for (ClassElement element
+      for (ClassEntity element
           in _oneShotInterceptorData.getSpecializedGetInterceptorsFor(name)) {
         Class cls = _classes[element];
         if (cls != null) cls.isEager = true;
       }
     }
   }
 
   Iterable<StaticStubMethod> _generateGetInterceptorMethods() {
     InterceptorStubGenerator stubGenerator = new InterceptorStubGenerator(
         _options,
@@ skipping 167 matching lines @@
       Constant constant = new Constant(name, holder, constantValue);
       _constants[constantValue] = constant;
     }
   }
 
   Holder _registerStaticStateHolder() {
     return _registry.registerHolder(_namer.staticStateHolder,
         isStaticStateHolder: true);
   }
 }