Support class and typedef literals as expressions.

lib/compiler/implementation/compiler.dart

Index: lib/compiler/implementation/compiler.dart
diff --git a/lib/compiler/implementation/compiler.dart b/lib/compiler/implementation/compiler.dart
index 4d587cbccf17751bb32b95de3f3d8e7f06412087..1f7643a0f1bf4d067ac60501f3856ae5c78d6dc7 100644
--- a/lib/compiler/implementation/compiler.dart
+++ b/lib/compiler/implementation/compiler.dart
@@ -127,6 +127,7 @@ abstract class Compiler implements DiagnosticListener {
   ClassElement functionClass;
   ClassElement nullClass;
   ClassElement listClass;
+  ClassElement typeClass;
   ClassElement mapClass;
   Element assertMethod;
   Element identicalFunction;
@@ -185,9 +186,23 @@ abstract class Compiler implements DiagnosticListener {
   static const SourceString START_ROOT_ISOLATE =
       const SourceString('startRootIsolate');
   bool enabledNoSuchMethod = false;
-  bool enabledRuntimeType = false;
   bool enabledFunctionApply = false;
 
+  bool _enabledRuntimeType = false;

[ngeoffray, 2012/10/31 10:33:03]

Why private? I'd prefer to have it consistent with the other flags.

[karlklose, 2012/10/31 13:01:18]

I have a change to implement the runtime cache to dart code so we do not need to
record if we have to emit it.

+  bool _needsRuntimeTypeCache = false;
+
+  void enableRuntimeTypeFunction() {
+    _enabledRuntimeType = true;
+    enableRuntimeTypeCache();
+  }
+
+  void enableRuntimeTypeCache() {
+    _needsRuntimeTypeCache = true;
+  }
+
+  bool get enabledRuntimeType => _enabledRuntimeType;
+  bool needsRuntimeTypeCache() => _needsRuntimeTypeCache;
+
   Stopwatch progress;
 
   static const int PHASE_SCANNING = 0;
@@ -393,6 +408,7 @@ abstract class Compiler implements DiagnosticListener {
     stringClass = lookupSpecialClass(const SourceString('String'));
     functionClass = lookupSpecialClass(const SourceString('Function'));
     listClass = lookupSpecialClass(const SourceString('List'));
+    typeClass = lookupSpecialClass(const SourceString('Type'));
     mapClass = lookupSpecialClass(const SourceString('Map'));
     closureClass = lookupSpecialClass(const SourceString('Closure'));
     dynamicClass = lookupSpecialClass(const SourceString('Dynamic_'));