Change the way hard splits are handled.

lib/src/line_writer.dart

 // Copyright (c) 2014, 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 dart_style.src.line_writer;
 
 import 'chunk.dart';
 import 'dart_formatter.dart';
 import 'debug.dart' as debug;
 import 'line_splitting/line_splitter.dart';
@@ skipping 126 matching lines @@
       {bool flushLeft}) {
     // Write the newlines required by the previous line.
     for (var j = 0; j < newlines; j++) {
       _buffer.write(_lineEnding);
     }
 
     var chunks = _chunks.sublist(start, end);
 
     if (debug.traceLineWriter) {
       debug.log(debug.green("\nWriting:"));
-      debug.dumpChunks(start, chunks);
+      debug.dumpChunks(0, chunks);
       debug.log();
     }
 
     // Run the line splitter.
     var splitter = new LineSplitter(this, chunks, _blockIndentation, indent,
         flushLeft: flushLeft);
     var splits = splitter.apply();
 
     // Write the indentation of the first line.
     if (!flushLeft) {
@@ skipping 112 matching lines @@
   final int selectionStart;
 
   /// Where in the resulting buffer the selection end point should appear if it
   /// was contained within this split list of chunks.
   ///
   /// Otherwise, this is `null`.
   final int selectionEnd;
 
   FormatResult(this.text, this.cost, this.selectionStart, this.selectionEnd);
 }