Derive source information from ResolvedAst.

tests/compiler/dart2js/serialization_helper.dart

 // Copyright (c) 2016, 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 dart2js.serialization_helper;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:compiler/src/commandline_options.dart';
 import 'package:compiler/src/common.dart';
 import 'package:compiler/src/common/backend_api.dart';
 import 'package:compiler/src/common/names.dart';
 import 'package:compiler/src/common/resolution.dart';
 import 'package:compiler/src/compiler.dart';
 import 'package:compiler/src/elements/elements.dart';
 import 'package:compiler/src/io/source_file.dart';
 import 'package:compiler/src/scanner/scanner.dart';
 import 'package:compiler/src/script.dart';
 import 'package:compiler/src/serialization/impact_serialization.dart';
 import 'package:compiler/src/serialization/json_serializer.dart';
+import 'package:compiler/src/serialization/modelz.dart';
 import 'package:compiler/src/serialization/resolved_ast_serialization.dart';
 import 'package:compiler/src/serialization/serialization.dart';
 import 'package:compiler/src/serialization/task.dart';
 import 'package:compiler/src/tokens/token.dart';
 import 'package:compiler/src/universe/call_structure.dart';
 import 'package:compiler/src/universe/world_impact.dart';
 import 'package:compiler/src/universe/use.dart';
 
 import 'memory_compiler.dart';
 
@@ skipping 157 matching lines @@
   }
 
   @override
   Future<LibraryElement> readLibrary(Uri resolvedUri) {
     LibraryElement library = _deserializer.lookupLibrary(resolvedUri);
     if (library != null) {
       deserializedLibraries.add(library);
       if (_deserializeResolvedAst) {
         return Future.forEach(library.compilationUnits,
             (CompilationUnitElement compilationUnit) {
-          Script script = compilationUnit.script;
+          ScriptZ script = compilationUnit.script;
           return _compiler.readScript(script.readableUri)
               .then((Script newScript) {
+            script.file = newScript.file;
             _resolvedAstDeserializer.sourceFiles[script.resourceUri] =
                 newScript.file;
           });
         }).then((_) => library);
       }
     }
     return new Future<LibraryElement>.value(library);
   }
 
   @override
@@ skipping 126 matching lines @@
 
   @override
   void onElement(Element element, ObjectDecoder getDecoder(String tag)) {
     ObjectDecoder decoder = getDecoder(RESOLVED_AST_TAG);
     if (decoder != null) {
       _decoderMap[element] = decoder;
     }
   }
 }