Update elements, nodes and visitors for serialization.

pkg/compiler/lib/src/serialization/modelz.dart

 // Copyright (c) 2015, 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.
 
 /// Implementation of the element model used for deserialiation.
 ///
 /// These classes are created by [ElementDeserializer] triggered by the
 /// [Deserializer].
 
 library dart2js.serialization.modelz;
@@ skipping 421 matching lines @@
     }
     return element;
   }
 
   @override
   Element findLocal(String elementName) {
     return localLookup(elementName);
   }
 
   @override
-  Element findExported(String elementName) => _unsupported('findExported');
+  Element findExported(String elementName) {
+    _ensureExports();
+    return _exportsMap.lookup(elementName);
+  }
 
   void _ensureImports() {
     if (_importsMap == null) {
       _importsMap = new ListedContainer(_decoder.getElements(Key.IMPORT_SCOPE));
     }
   }
 
   @override
   void forEachImport(f(Element element)) {
     _ensureImports();
@@ skipping 841 matching lines @@
 
 class TopLevelFieldElementZ extends FieldElementZ with LibraryMemberMixin {
   TopLevelFieldElementZ(ObjectDecoder decoder) : super(decoder);
 }
 
 class StaticFieldElementZ extends FieldElementZ
     with ClassMemberMixin, StaticMemberMixin {
   StaticFieldElementZ(ObjectDecoder decoder) : super(decoder);
 }
 
+class EnumConstantElementZ extends StaticFieldElementZ
+    implements EnumConstantElement {
+  EnumConstantElementZ(ObjectDecoder decoder)
+      : super(decoder);
+
+  int get index => _decoder.getInt(Key.INDEX);
+}
+
 class InstanceFieldElementZ extends FieldElementZ
     with ClassMemberMixin, InstanceMemberMixin {
   InstanceFieldElementZ(ObjectDecoder decoder) : super(decoder);
 }
 
 abstract class FunctionElementZ extends DeserializedElementZ
     with
         AnalyzableElementMixin,
         AstElementMixin,
         ParametersMixin,
@@ skipping 456 matching lines @@
 
   @override
   accept(ElementVisitor visitor, arg) {
     return visitor.visitFieldParameterElement(this, arg);
   }
 
   @override
   ElementKind get kind => ElementKind.INITIALIZING_FORMAL;
 }
 
+
+class LocalVariableElementZ extends DeserializedElementZ
+    with
+        AnalyzableElementMixin,
+        AstElementMixin,
+        LocalExecutableMixin,
+        TypedElementMixin
+    implements LocalVariableElement {
+  bool _isConst;
+  ConstantExpression _constant;
+
+  LocalVariableElementZ(ObjectDecoder decoder) : super(decoder);
+
+  @override
+  accept(ElementVisitor visitor, arg) {
+    return visitor.visitLocalVariableElement(this, arg);
+  }
+
+  @override
+  ElementKind get kind => ElementKind.VARIABLE;
+
+  @override
+  bool get isConst {
+    if (_isConst == null) {
+      _constant = _decoder.getConstant(Key.CONSTANT);
+      _isConst = _constant != null;
+    }
+    return _isConst;
+  }
+
+  @override
+  ConstantExpression get constant {
+    if (isConst) {
+      return _constant;
+    }
+    return null;
+  }
+
+  @override
+  Expression get initializer => _unsupported('initializer');
+}
+
 class ImportElementZ extends DeserializedElementZ
     with LibraryMemberMixin
     implements ImportElement {
   bool _isDeferred;
   PrefixElement _prefix;
   LibraryElement _importedLibrary;
   Uri _uri;
 
   ImportElementZ(ObjectDecoder decoder) : super(decoder);
 
@@ skipping 117 matching lines @@
   }
 
   @override
   ElementKind get kind => ElementKind.PREFIX;
 
   @override
   Element lookupLocalMember(String memberName) {
     return _unsupported('lookupLocalMember');
   }
 }