New analyzer_experimental snapshot.

pkg/analyzer_experimental/lib/src/services/formatter_impl.dart

 // Copyright (c) 2013, 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 formatter_impl;
 
 import 'dart:math';
 
 import 'package:analyzer_experimental/analyzer.dart';
+import 'package:analyzer_experimental/src/generated/java_core.dart' show CharSequence;
 import 'package:analyzer_experimental/src/generated/parser.dart';
 import 'package:analyzer_experimental/src/generated/scanner.dart';
 import 'package:analyzer_experimental/src/generated/source.dart';
 import 'package:analyzer_experimental/src/services/writer.dart';
 
 /// Formatter options.
 class FormatterOptions {
 
   /// Create formatter options with defaults derived (where defined) from
   /// the style guide: <http://www.dartlang.org/articles/style-guide/>.
@@ skipping 143 matching lines @@
     if (errors.length > 0) {
       throw new FormatterException.forError(errors);
     }
   }
 
   onError(AnalysisError error) {
     errors.add(error);
   }
 
   Token tokenize(String source) {
-    var scanner = new StringScanner(null, source, this);
+    var reader = new CharSequenceReader(new CharSequence(source));
+    var scanner = new Scanner(null, reader, this);
     var token = scanner.tokenize();
     lineInfo = new LineInfo(scanner.lineStarts);
     return token;
   }
 
 }
 
 
 // Compares two token streams.  Used for sanity checking formatted results.
 class TokenStreamComparator {
@@ skipping 1340 matching lines @@
     var lastLine =
         lineInfo.getLocation(lastOffset).lineNumber;
     var currentLine =
         lineInfo.getLocation(currentOffset).lineNumber;
     return currentLine - lastLine;
   }
 
   String toString() => writer.toString();
 
 }