Generate getters and setters dynamically.

lib/compiler/implementation/namer.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.
 
 /**
  * Assigns JavaScript identifiers to Dart variables, class-names and members.
  */
 class Namer {
   final Compiler compiler;
 
@@ skipping 51 matching lines @@
     }
     return '${privateName(lib, name)}\$${selector.argumentCount}$buffer';
   }
 
   String instanceFieldName(LibraryElement lib, SourceString name) {
     String proposedName = privateName(lib, name);
     return safeName(proposedName);
   }
 
   String setterName(LibraryElement lib, SourceString name) {
-    return 'set\$${privateName(lib, name)}';
+    // We dynamically create setters from the field-name. The setter name must
+    // therefore be derived from the instance field-name.
+    return 'set\$${instanceFieldName(lib, name)}';
   }
 
   String getterName(LibraryElement lib, SourceString name) {
-    return 'get\$${privateName(lib, name)}';
+    // We dynamically create getters from the field-name. The getter name must
+    // therefore be derived from the instance field-name.
+    return 'get\$${instanceFieldName(lib, name)}';
   }
 
   String getFreshGlobalName(String proposedName) {
     int usedCount = usedGlobals[proposedName];
     if (usedCount === null) {
       // No element with this name has been used before.
       usedGlobals[proposedName] = 1;
       return proposedName;
     } else {
       // Not the first time we see this name. Append a number to make it unique.
@@ skipping 124 matching lines @@
   }
 
   String safeName(String name) {
     if (jsReserved.contains(name) || name.startsWith('\$')) {
       name = "\$$name";
       assert(!jsReserved.contains(name));
     }
     return name;
   }
 }