New, simpler and faster line splitter.

lib/src/nesting_builder.dart

-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// 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 dart_style.src.nesting_builder;
 
-import 'nesting.dart';
+import 'nesting_level.dart';
 import 'whitespace.dart';
 
 /// Keeps track of expression nesting while the source code is being visited
 /// and the chunks are being built.
 class NestingBuilder {
   /// The expression nesting levels and block indentation levels.
   ///
   /// This is tracked as a stack of [_IndentLevel]s. Each element in the stack
   /// represents a level of block indentation. It's stored as a stack because
   /// expressions may contain blocks which in turn contain other expressions.
@@ skipping 120 matching lines @@
 /// block boundaries.
 class _IndentLevel {
   /// The number of spaces of indentation at this level.
   final int indent;
 
   /// The current expression nesting in this indentation level.
   NestingLevel nesting = new NestingLevel();
 
   _IndentLevel(this.indent);
 }