Use more entities in program_builder, collector and registry

pkg/compiler/lib/src/js_emitter/code_emitter_task.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.js_emitter.code_emitter_task;
 
 import 'package:js_runtime/shared/embedded_names.dart' show JsBuiltin;
 
 import '../common.dart';
 import '../common/tasks.dart' show CompilerTask;
 import '../compiler.dart' show Compiler;
 import '../constants/values.dart';
 import '../deferred_load.dart' show OutputUnit;
 import '../elements/entities.dart';
 import '../js/js.dart' as jsAst;
 import '../js_backend/js_backend.dart' show JavaScriptBackend, Namer;
 import '../universe/world_builder.dart' show CodegenWorldBuilder;
 import '../world.dart' show ClosedWorld;
 import 'full_emitter/emitter.dart' as full_js_emitter;
 import 'lazy_emitter/emitter.dart' as lazy_js_emitter;
 import 'program_builder/program_builder.dart';
 import 'startup_emitter/emitter.dart' as startup_js_emitter;
 
 import 'metadata_collector.dart' show MetadataCollector;
 import 'native_emitter.dart' show NativeEmitter;
 import 'type_test_registry.dart' show TypeTestRegistry;
+import 'sorter.dart';
 
 const USE_LAZY_EMITTER = const bool.fromEnvironment("dart2js.use.lazy.emitter");
 
 /**
  * Generates the code for all used classes in the program. Static fields (even
  * in classes) are ignored, since they can be treated as non-class elements.
  *
  * The code for the containing (used) methods must exist in the `universe`.
  */
 class CodeEmitterTask extends CompilerTask {
@@ skipping 28 matching lines @@
           generateSourceMap: generateSourceMap);
     }
   }
 
   Emitter get emitter {
     assert(invariant(NO_LOCATION_SPANNABLE, _emitter != null,
         message: "Emitter has not been created yet."));
     return _emitter;
   }
 
+  /// Returns the [Sorter] use for ordering elements in the generated
+  /// JavaScript.
+  // TODO(johnniwinther): Switch this based on the used entity model.
+  Sorter get sorter => const ElementSorter();
+
   String get name => 'Code emitter';
 
   /// Returns true, if the emitter supports reflection.
   bool get supportsReflection => _emitterFactory.supportsReflection;
 
   /// Returns the closure expression of a static function.
   jsAst.Expression isolateStaticClosureAccess(FunctionEntity element) {
     return emitter.isolateStaticClosureAccess(element);
   }
 
@@ skipping 84 matching lines @@
           backend.rtiEncoder);
       typeTestRegistry = new TypeTestRegistry(codegenWorldBuilder, closedWorld);
     });
   }
 
   int assembleProgram(Namer namer, ClosedWorld closedWorld) {
     return measure(() {
       _finalizeRti();
       ProgramBuilder programBuilder = new ProgramBuilder(
           compiler.options,
+          compiler.elementEnvironment,
           compiler.commonElements,
           compiler.types,
           compiler.deferredLoadTask,
           compiler.closureToClassMapper,
           compiler.codegenWorldBuilder,
           backend.nativeCodegenEnqueuer,
           backend.backendUsage,
           backend.constants,
           backend.nativeData,
           backend.rtiNeed,
@@ skipping 74 matching lines @@
 
   /// Returns the JS code for accessing the given [constant].
   jsAst.Expression constantReference(ConstantValue constant);
 
   /// Returns the JS template for the given [builtin].
   jsAst.Template templateForBuiltin(JsBuiltin builtin);
 
   /// Returns the size of the code generated for a given output [unit].
   int generatedSize(OutputUnit unit);
 }