Support class and typedef literals as expressions.

lib/compiler/implementation/compiler.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.
 
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
 const bool REPORT_EXCESS_RESOLUTION = false;
@@ skipping 109 matching lines @@
   ClassElement closureClass;
   ClassElement dynamicClass;
   ClassElement boolClass;
   ClassElement numClass;
   ClassElement intClass;
   ClassElement doubleClass;
   ClassElement stringClass;
   ClassElement functionClass;
   ClassElement nullClass;
   ClassElement listClass;
+  ClassElement typeClass;
   Element assertMethod;
   Element identicalFunction;
 
   Element get currentElement => _currentElement;
   withCurrentElement(Element element, f()) {
     Element old = currentElement;
     _currentElement = element;
     try {
       return f();
     } on CompilerCancelledException catch (ex) {
@@ skipping 207 matching lines @@
       return result;
     }
     objectClass = lookupSpecialClass(const SourceString('Object'));
     boolClass = lookupSpecialClass(const SourceString('bool'));
     numClass = lookupSpecialClass(const SourceString('num'));
     intClass = lookupSpecialClass(const SourceString('int'));
     doubleClass = lookupSpecialClass(const SourceString('double'));
     stringClass = lookupSpecialClass(const SourceString('String'));
     functionClass = lookupSpecialClass(const SourceString('Function'));
     listClass = lookupSpecialClass(const SourceString('List'));
+    typeClass = lookupSpecialClass(const SourceString('Type'));
     closureClass = lookupSpecialClass(const SourceString('Closure'));
     dynamicClass = lookupSpecialClass(const SourceString('Dynamic_'));
     nullClass = lookupSpecialClass(const SourceString('Null'));
     types = new Types(this, dynamicClass);
     if (!coreLibValid) {
       cancel('core library does not contain required classes');
     }
   }
 
   void scanBuiltinLibraries() {
@@ skipping 483 matching lines @@
  * information in the generated error message.
  */
 bool invariant(Spannable spannable, var condition, {String message: null}) {
   // TODO(johnniwinther): Use [spannable] and [message] to provide better
   // information on assertion errors.
   if (condition is Function){
     condition = condition();
   }
   return spannable != null && condition;
 }