Lots of frog cleanup

frog/block_scope.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.
 
 
 class BlockScope {
   MethodGenerator enclosingMethod;
   BlockScope parent;
 
   // TODO(jimhug): Using a list or tree-based map may improve perf; the list
@@ skipping 154 matching lines @@
     if (name != jsName) _jsNames.add(jsName);
     return ret;
   }
 
   Value declareParameter(Parameter p) {
     return create(p.name, p.type, p.definition.span, isParameter:true);
   }
 
   /** Declares a variable in the current scope for this identifier. */
   Value declare(DeclaredIdentifier id) {
-    var type = enclosingMethod.method.resolveType(id.type, false);
+    var type = enclosingMethod.method.resolveType(id.type, false, true);
     return create(id.name.name, type, id.span);
   }
 
   /**
    * Finds the first lexically enclosing catch block, if any, and returns its
    * exception variable.
    */
   String getRethrow() {
     var scope = this;
     while (scope.rethrow == null && scope.parent != null) {
@@ skipping 27 matching lines @@
         if (myVar.value !== v) {
           _vars[key] = myVar.replaceValue(v);
           changed = true;
         }
       });
     }
 
     return changed;
   }
 }