Make source information mandatory for building send-like node in 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 '../common.dart';
 import '../elements/elements.dart' show
     AstElement,
     LocalElement;
@@ skipping 87 matching lines @@
 
   /// Generate [SourceInformation] for the throw in [node].
   SourceInformation buildThrow(Node node) => null;
 
   /// Generate [SourceInformation] for the assignment in [node].
   SourceInformation buildAssignment(Node node) => null;
 
   /// Generate [SourceInformation] for the variable declaration inserted as
   /// first statement of a function.
   SourceInformation buildVariableDeclaration() => null;
+
+  /// Generate [SourceInformation] for an invocation of a foreign method.
+  SourceInformation buildForeignCode(Node node) => null;
+
+  /// Generate [SourceInformation] for a string interpolation of [node].
+  SourceInformation buildStringInterpolation(Node node) => null;
+
+  /// Generate [SourceInformation] for the for-in `iterator` access in [node].
+  SourceInformation buildForInIterator(Node node) => null;
+
+  /// Generate [SourceInformation] for the for-in `moveNext` call in [node].
+  SourceInformation buildForInMoveNext(Node node) => null;
+
+  /// Generate [SourceInformation] for the for-in `current` access in [node].
+  SourceInformation buildForInCurrent(Node node) => null;
+
+  /// Generate [SourceInformation] for the for-in variable assignment in [node].
+  SourceInformation buildForInSet(Node node) => null;
+
+  /// Generate [SourceInformation] for the operator `[]` access in [node].
+  SourceInformation buildIndex(Node node) => null;
+
+  /// Generate [SourceInformation] for the operator `[]=` assignment in [node].
+  SourceInformation buildIndexSet(Node node) => null;
+
+  /// Generate [SourceInformation] for the binary operation in [node].
+  SourceInformation buildBinary(Node node) => null;
+
+  /// Generate [SourceInformation] for the unary operator in [node].
+  SourceInformation buildCatch(Node node) => null;
+
+  /// Generate [SourceInformation] for the is-test in [node].
+  SourceInformation buildIs(Node node) => null;
+
+  /// Generate [SourceInformation] for the as-cast in [node].
+  SourceInformation buildAs(Node node) => null;
 }
 
 /// A location in a source file.
 abstract class SourceLocation {
   final SourceFile _sourceFile;
   int _line;
 
   SourceLocation(this._sourceFile) {
     assert(isValid);
   }
@@ skipping 81 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;
   }
 }