Get code to format from 'overlayState' or from the Source.

pkg/analyzer/lib/src/dart/analysis/driver.dart

 // Copyright (c) 2016, 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.
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 828 matching lines @@
       int ms = timer.elapsedMilliseconds;
       writeln('--- $msg in $ms ms.');
     }
   }
 
   /**
    * Write a new line into the log
    */
   void writeln(String msg) {
     String indent = '\t' * _level;
-    sink.writeln('$indent$msg');
+//    sink.writeln('$indent$msg');

[Brian Wilkerson, 2016/10/31 20:17:23]

I don't understand this change. Why are we not writing to the sink? And if we're
not going to write, why not also comment out the unused variable?

[scheglov, 2016/10/31 20:42:38]

I forgot to roll this change back.

   }
 }
 
 /**
  * The performance measurement section for operations that start and end
  * at different place in code, so cannot be run using [PerformanceLog.run].
  *
  * The client must call [exit] for every [PerformanceLog.enter].
  */
 class PerformanceLogSection {
@@ skipping 358 matching lines @@
       }
     }
     for (UnlinkedExportPublic export in unit.publicNamespace.exports) {
       referenced.exported.add(export.uri);
     }
     return referenced;
   }
 
   _ReferencedUris._();
 }