Implemented class literals in the VM.

runtime/vm/ast.h

Index: runtime/vm/ast.h
===================================================================
--- runtime/vm/ast.h	(revision 16455)
+++ runtime/vm/ast.h	(working copy)
@@ -345,6 +345,10 @@
 
   const AbstractType& type() const { return type_; }
 
+  virtual const Instance* EvalConstExpr() const {
+    return &type();
+  }

[regis, 2012/12/22 00:04:50]

You need to check if the type is instantiated and not malformed before returning
it.

As explained, a TypeNode is only a compile time constant in the special case of
a non-generic class or raw type. Uninstantiated types can only be instantiated
at run time. 

[Tom Ball, 2012/12/27 22:13:44]

Done.

+
   virtual void VisitChildren(AstNodeVisitor* visitor) const { }
 
   DECLARE_COMMON_NODE_FUNCTIONS(TypeNode);