Added .scss transform

pkg/csslib/lib/parser.dart

Index: pkg/csslib/lib/parser.dart
diff --git a/pkg/csslib/lib/parser.dart b/pkg/csslib/lib/parser.dart
index a1cd7158da23e7846555c79815108cc46a231401..e9ce2b38d4614fb0bcc0a2546917ca6580513728 100644
--- a/pkg/csslib/lib/parser.dart
+++ b/pkg/csslib/lib/parser.dart
@@ -4,8 +4,11 @@
 
 library csslib.parser;
 
+import 'dart:async';
 import 'dart:math' as math;
 
+import 'package:barback/barback.dart';

[Siggi Cherem (dart-lang), 2013/09/08 20:31:33]

note barback.dart depends on dart:io, so you might want to pull the transformer
code to be on a separate library.

(I thought so far you needed to have the parser independent of dart:io so it
could be used in the client-side.)

+
 import 'package:source_maps/span.dart' show SourceFile, Span, FileSpan;
 
 import "visitor.dart";
@@ -19,7 +22,6 @@ part 'src/tokenizer_base.dart';
 part 'src/tokenizer.dart';
 part 'src/tokenkind.dart';
 
-
 /** Used for parser lookup ahead (used for nested selectors Less support). */
 class ParserState extends TokenizerState {
   final Token peekToken;