cleanup errors and fix a couple field negative tests

frog/gen.dart

 // Copyright (c) 2011, 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.
 
 /**
  * Top level generator object for writing code and keeping track of
  * dependencies.
  *
  * Should have two compilation models, but only one implemented so far.
  *
@@ skipping 527 matching lines @@
     _freeTemps = [];
   }
 
   // TODO(jimhug): Where does this really belong?
   MemberSet findMembers(String name) {
     return method.library._findMembers(name);
   }
 
   bool get isClosure() => (enclosingMethod != null);
 
+  bool get isStatic() => method.isStatic;
+
   Value getTemp(Value value) {
     return value.needsTemp ? forceTemp(value) : value;
   }
 
   Value forceTemp(Value value) {
     String name;
     if (_freeTemps.length > 0) {
       name = _freeTemps.removeLast();
     } else {
       name = '\$' + _usedTemps.length;
@@ skipping 855 matching lines @@
     writer.writeln('${value.code};');
     return false;
   }
 
   bool visitEmptyStatement(EmptyStatement node) {
     writer.writeln(';');
     return false;
   }
 
   _checkNonStatic(Node node) {
-    if (method.isStatic) {
+    if (isStatic) {
       world.warning('not allowed in static method', node.span);
     }
   }
 
   _makeSuperValue(Node node) {
     var parentType = method.declaringType.parent;
     _checkNonStatic(node);
     if (parentType == null) {
       world.error('no super class', node.span);
     }
@@ skipping 735 matching lines @@
       result.add(new Value(world.varType, '\$$i', false, /*needsTemp:*/false));
     }
     for (int i = bareCount; i < length; i++) {
       var name = getName(i);
       if (name == null) name = '\$$i';
       result.add(new Value(world.varType, name, false, /*needsTemp:*/false));
     }
     return new Arguments(nodes, result);
   }
 }