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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 65 matching lines @@
   @override
   LibraryElement get implementationLibrary => library;
 
   @override
   bool get isAbstract => false;
 
   @override
   bool get isClassMember => false;
 
   @override
-  bool get isClosure => _unsupported('isClosure');
+  bool get isClosure => false;
 
   @override
   bool get isConst => _unsupported('isConst');
 
   @override
   bool get isDeferredLoaderGetter => false;
 
   @override
   bool get isFinal => _unsupported('isFinal');
 
@@ skipping 372 matching lines @@
   Iterable<ImportElement> get imports {
     if (_imports == null) {
       _imports = _decoder.getElements(Key.IMPORTS, isOptional: true);
     }
     return _imports;
   }
 }
 
 class ScriptZ implements Script {
   final Uri resourceUri;
+  SourceFile _file;
 
   ScriptZ(this.resourceUri);
 
   @override
   Script copyWithFile(SourceFile file) {
     throw new UnsupportedError('ScriptZ.copyWithFile');
   }
 
   @override
-  SourceFile get file => throw new UnsupportedError('ScriptZ.file');
+  SourceFile get file {
+    if (_file == null) {
+      throw new UnsupportedError('ScriptZ.file');
+    }
+    return _file;
+  }
+
+  void set file(SourceFile value) {
+    _file = value;
+  }
 
   @override
   bool get isSynthesized => throw new UnsupportedError('ScriptZ.isSynthesized');
 
   @override
-  String get name => resourceUri.toString();
+  String get name {
+    if (_file != null) {
+      return _file.filename;
+    }
+    return resourceUri.toString();
+  }
 
   // TODO(johnniwinther): Support the distinction between [readableUri] and
   // [resourceUri]; needed for platform libraries.
   @override
   Uri get readableUri => resourceUri;
 
   @override
-  String get text => throw new UnsupportedError('ScriptZ.text');
+  String get text {
+    if (_file != null) {
+      return _file.slowText();
+    }
+    throw new UnsupportedError('ScriptZ.text');
+  }
 }
 
 class CompilationUnitElementZ extends DeserializedElementZ
     with LibraryMemberMixin, CompilationUnitElementCommon
     implements CompilationUnitElement {
   List<Element> _members;
   Script _script;
 
   CompilationUnitElementZ(ObjectDecoder decoder) : super(decoder);
 
@@ skipping 1476 matching lines @@
   }
 
   @override
   ElementKind get kind => ElementKind.PREFIX;
 
   @override
   Element lookupLocalMember(String memberName) {
     return _unsupported('lookupLocalMember');
   }
 }