Support class and typedef literals as expressions.

lib/compiler/implementation/js_backend/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.
 
 part of js_backend;
 
 /**
  * A function element that represents a closure call. The signature is copied
  * from the given element.
  */
@@ skipping 1403 matching lines @@
     String mainAccess = "${namer.isolateAccess(appMain)}";
     String currentIsolate = "${namer.CURRENT_ISOLATE}";
     String mainEnsureGetter = '';
     // Since we pass the closurized version of the main method to
     // the isolate method, we must make sure that it exists.
     if (!compiler.codegenWorld.staticFunctionsNeedingGetter.contains(appMain)) {
       Selector selector = new Selector.callClosure(0);
       String invocationName = "${namer.closureInvocationName(selector)}";
       mainEnsureGetter = "$mainAccess.$invocationName = $mainAccess";
     }
-
     // TODO(ngeoffray): These globals are currently required by the isolate
     // library. They should be removed.
     String runtimeTypeCache =
-        compiler.enabledRuntimeType ? "  context.runtimeTypeCache = {}\n" : "";
+        compiler.needsRuntimeTypeCache() ? "  context.runtimeTypeCache = {}\n"
+                                         : "";
 
     buffer.add("""
 var \$globalThis = $currentIsolate;
 var \$globalState;
 var \$globals;
 var \$isWorker = false;
 var \$supportsWorkers = false;
 var \$thisScriptUrl;
 function \$static_init(){};
 
@@ skipping 67 matching lines @@
       emitStaticFunctions(mainBuffer);
       emitStaticFunctionGetters(mainBuffer);
       // We need to finish the classes before we construct compile time
       // constants.
       emitFinishClassesInvocationIfNecessary(mainBuffer);
       emitCompileTimeConstants(mainBuffer);
       // Static field initializations require the classes and compile-time
       // constants to be set up.
       emitStaticNonFinalFieldInitializations(mainBuffer);
       emitLazilyInitializedStaticFields(mainBuffer);
-      if (compiler.enabledRuntimeType && !compiler.hasIsolateSupport()) {
+      if (compiler.needsRuntimeTypeCache() && !compiler.hasIsolateSupport()) {
         mainBuffer.add('$isolateProperties.runtimeTypeCache = {};\n');
       }
 
       isolateProperties = isolatePropertiesName;
       // The following code should not use the short-hand for the
       // initialStatics.
       mainBuffer.add('var ${namer.CURRENT_ISOLATE} = null;\n');
       mainBuffer.add(boundClosureBuffer);
       emitFinishClassesInvocationIfNecessary(mainBuffer);
       // After this assignment we will produce invalid JavaScript code if we use
@@ skipping 39 matching lines @@
 const String HOOKS_API_USAGE = """
 // Generated by dart2js, the Dart to JavaScript compiler.
 // The code supports the following hooks:
 // dartPrint(message)   - if this function is defined it is called
 //                        instead of the Dart [print] method.
 // dartMainRunner(main) - if this function is defined, the Dart [main]
 //                        method will not be invoked directly.
 //                        Instead, a closure that will invoke [main] is
 //                        passed to [dartMainRunner].
 """;