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pkg/analyzer/benchmark/errors_in_all_libraries.dart

 #!/usr/bin/env 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.
 
 /// Resolves this library and everything it transitively imports and generates
 /// errors in all of those libraries. Does this in an infinite loop, starting
 /// from scratch each time, to show how VM warm-up affects things and to make
 /// it easier to connect to this with observatory.
 import 'dart:io';
 
-import 'package:path/path.dart' as p;
-
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/sdk_io.dart' show DirectoryBasedDartSdk;
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
+import 'package:path/path.dart' as p;
 
 void main(List<String> args) {
   JavaSystemIO.setProperty(
       "com.google.dart.sdk",
       p.normalize(
           p.join(p.dirname(p.fromUri(Platform.script)), "../../../sdk")));
 
   // Assumes you have run "pub get" in the analyzer directory itself and uses
   // that "packages" directory as its package root.
   var packageRoot =
@@ skipping 50 matching lines @@
   void find(LibraryElement lib) {
     if (seen.contains(lib)) return;
     seen.add(lib);
     results.add(lib);
     lib.importedLibraries.forEach(find);
     lib.exportedLibraries.forEach(find);
   }
   find(start);
   return results;
 }