Support for interpolated declarations in the js parser.

pkg/compiler/lib/src/js/printer.dart

 // Copyright (c) 2012, 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.
 
 part of js_ast;
 
 
 class JavaScriptPrintingOptions {
   final bool shouldCompressOutput;
   final bool minifyLocalVariables;
@@ skipping 951 matching lines @@
   visitInterpolatedParameter(InterpolatedParameter node) =>
       visitInterpolatedNode(node);
 
   visitInterpolatedSelector(InterpolatedSelector node) =>
       visitInterpolatedNode(node);
 
   visitInterpolatedStatement(InterpolatedStatement node) {
     outLn('#${node.nameOrPosition}');
   }
 
+  visitInterpolatedDeclaration(InterpolatedDeclaration node) {
+    visitInterpolatedNode(node);
+  }
+
   void visitComment(Comment node) {
     if (shouldCompressOutput) return;
     String comment = node.comment.trim();
     if (comment.isEmpty) return;
     for (var line in comment.split('\n')) {
       if (comment.startsWith('//')) {
         outIndentLn(line.trim());
       } else {
         outIndentLn('// ${line.trim()}');
       }
@@ skipping 256 matching lines @@
         codes.add(nthLetter((n ~/ nameSpaceSize) % LETTERS));
       }
       codes.add(charCodes.$0 + digit);
       newName = new String.fromCharCodes(codes);
     }
     assert(new RegExp(r'[a-zA-Z][a-zA-Z0-9]*').hasMatch(newName));
     maps.last[oldName] = newName;
     return newName;
   }
 }