Show an error if a field has no getter defined in a getter context

compiler/java/com/google/dart/compiler/resolver/ResolverErrorCode.java

 // 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.
 package com.google.dart.compiler.resolver;
 
 import com.google.dart.compiler.ErrorCode;
 import com.google.dart.compiler.ErrorSeverity;
 import com.google.dart.compiler.SubSystem;
 
 /**
@@ skipping 78 matching lines @@
   EXPECTED_FIELD_NOT_METHOD("%s is a method, expected a local field"),
   EXPECTED_FIELD_NOT_PARAMETER("%s is a parameter, expected a local field"),
   EXPECTED_FIELD_NOT_TYPE_VAR("%s is a type variable, expected a local field"),
   EXPECTED_ONE_ARGUMENT("Expected one argument"),
   EXPECTED_STATIC_FIELD("expected a static field, but got %s"),
   EXTRA_TYPE_ARGUMENT("Type variables may not have type arguments"),
   FACTORY_CANNOT_BE_ABSTRACT("A factory cannot be abstract"),
   FACTORY_CANNOT_BE_CONST("A factory cannot be const"),
   FACTORY_CANNOT_BE_STATIC("A factory cannot be static"),
   FIELD_CONFLICTS("%s conflicts with previously defined %s at line %d column %d"),
+  FIELD_DOES_NOT_HAVE_A_GETTER("Field does not have a getter"),
+  FIELD_DOES_NOT_HAVE_A_SETTER("Field does not have a setter"),
   FINAL_FIELD_MUST_BE_INITIALIZED("The final field %s must be initialized"),
   ILLEGAL_ACCESS_TO_PRIVATE_MEMBER("\"%s\" refers to \"%s\" which is in a different library"),
   ILLEGAL_CONSTRUCTOR_NO_DEFAULT_IN_INTERFACE(
       "Illegal constructor declaration.  No default clause in interface"),
   ILLEGAL_FIELD_ACCESS_FROM_STATIC("Illegal access of instance field %s from static scope"),
   ILLEGAL_METHOD_ACCESS_FROM_STATIC("Illegal access of instance method %s from static scope"),
   INSTANCE_METHOD_FROM_STATIC("Instance methods cannot be referenced from static methods"),
   INTERNAL_ERROR("internal error: %s"),
   INVALID_RETURN_IN_CONSTRUCTOR("Generative constructors cannot return arbitrary expressions"),
   INVALID_TYPE_NAME_IN_CONSTRUCTOR("Invalid type in constructor name"),
@@ skipping 77 matching lines @@
   @Override
   public SubSystem getSubSystem() {
     return SubSystem.RESOLVER;
   }
 
   @Override
   public boolean needsRecompilation() {
     return true;
   }
 }