Generated source mapping through CPS.

pkg/compiler/lib/src/io/source_information.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.
 
 library dart2js.source_information;
 
 import '../dart2jslib.dart' show SourceSpan, MessageKind;
 import '../elements/elements.dart' show
     AstElement,
     LocalElement;
@@ skipping 43 matching lines @@
   /// Create a [SourceInformationBuilder] for [element].
   SourceInformationBuilder forContext(AstElement element) => this;
 
   /// Generate [SourceInformation] the declaration of [element].
   SourceInformation buildDeclaration(AstElement element) => null;
 
   /// Generate [SourceInformation] for the generic [node].
   @deprecated
   SourceInformation buildGeneric(Node node) => null;
 
+  /// Generate [SourceInformation] for an instantiation of a class using [node]
+  /// for the source position.
+  SourceInformation buildCreate(Node node) => null;
+
   /// Generate [SourceInformation] for the return [node].
   SourceInformation buildReturn(Node node) => null;
 
   /// Generate [SourceInformation] for an implicit return in [element].
   SourceInformation buildImplicitReturn(AstElement element) => null;
 
   /// Generate [SourceInformation] for the loop [node].
   SourceInformation buildLoop(Node node) => null;
 
   /// Generate [SourceInformation] for the read access in [node].
@@ skipping 110 matching lines @@
     return '${computeElementNameForSourceMaps(local.executableContext)}.$name';
   } else if (element.enclosingClass != null) {
     if (element.enclosingClass.isClosure) {
       return computeElementNameForSourceMaps(element.enclosingClass);
     }
     return '${element.enclosingClass.name}.${element.name}';
   } else {
     return element.name;
   }
 }