Check closure data for serialization

pkg/compiler/lib/src/elements/modelx.dart

 // Copyright (c) 2013, 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.
 
 library elements.modelx;
 
 import '../common.dart';
 import '../common/resolution.dart' show Resolution, ParsingContext;
 import '../compiler.dart' show Compiler;
 import '../constants/constant_constructors.dart';
@@ skipping 2266 matching lines @@
   bool get hasNode => false;
 
   FunctionExpression get node => null;
 
   @override
   SetterElement get setter => null;
 }
 
 class ConstructorBodyElementX extends BaseFunctionElementX
     implements ConstructorBodyElement {
-  ConstructorElementX constructor;
+  final ResolvedAst _resolvedAst;
+  final ConstructorElement constructor;
 
-  ConstructorBodyElementX(ConstructorElementX constructor)
-      : this.constructor = constructor,
+  ConstructorBodyElementX(
+      ResolvedAst resolvedAst, ConstructorElement constructor)
+      : this._resolvedAst = resolvedAst,
+        this.constructor = constructor,
         super(constructor.name, ElementKind.GENERATIVE_CONSTRUCTOR_BODY,
             Modifiers.EMPTY, constructor.enclosingElement) {
     functionSignature = constructor.functionSignature;
   }
 
-  bool get hasNode => constructor.hasNode;
+  bool get hasNode => _resolvedAst.kind == ResolvedAstKind.PARSED;
 
-  FunctionExpression get node => constructor.node;
+  FunctionExpression get node => _resolvedAst.node;
+
+  ResolvedAst get resolvedAst {
+    if (_resolvedAst.kind == ResolvedAstKind.PARSED) {
+      return new ParsedResolvedAst(declaration, _resolvedAst.node,
+          _resolvedAst.body, _resolvedAst.elements, _resolvedAst.sourceUri);
+    } else {
+      return new SynthesizedResolvedAst(declaration, _resolvedAst.kind);
+    }
+  }
 
   List<MetadataAnnotation> get metadata => constructor.metadata;
 
   bool get isInstanceMember => true;
 
   FunctionType computeType(Resolution resolution) {
     DiagnosticReporter reporter = resolution.reporter;
     reporter.internalError(this, '$this.computeType.');
     return null;
   }
 
+  int get sourceOffset => constructor.sourceOffset;
+
   Token get position => constructor.position;
 
   Element get outermostEnclosingMemberOrTopLevel => constructor;
 
   Element get analyzableElement => constructor.analyzableElement;
 
   accept(ElementVisitor visitor, arg) {
     return visitor.visitConstructorBodyElement(this, arg);
   }
 
@@ skipping 948 matching lines @@
       body = node.asFunctionExpression().body;
     }
     return new ParsedResolvedAst(
         declaration,
         node,
         body,
         definingElement.treeElements,
         definingElement.compilationUnit.script.resourceUri);
   }
 }