Regenerate pub sources.

sdk/lib/_internal/pub_generated/lib/src/command/serve.dart

Index: sdk/lib/_internal/pub_generated/lib/src/command/serve.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/command/serve.dart b/sdk/lib/_internal/pub_generated/lib/src/command/serve.dart
index 8255ec1932dda27f1446a923700dfdf870006ab2..2aae583d9740ffe4691ebf119721c4d89ab39ab6 100644
--- a/sdk/lib/_internal/pub_generated/lib/src/command/serve.dart
+++ b/sdk/lib/_internal/pub_generated/lib/src/command/serve.dart
@@ -1,13 +1,23 @@
+// 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 pub.command.serve;
+
 import 'dart:async';
 import 'dart:math' as math;
+
 import 'package:barback/barback.dart';
+
 import '../barback/asset_environment.dart';
 import '../barback/pub_package_provider.dart';
 import '../log.dart' as log;
 import '../utils.dart';
 import 'barback.dart';
+
 final _arrow = getSpecial('\u2192', '=>');
+
+/// Handles the `serve` pub command.
 class ServeCommand extends BarbackCommand {
   String get description =>
       'Run a local web development server.\n\n'
@@ -15,18 +25,38 @@ class ServeCommand extends BarbackCommand {
           'directories to serve can be provided as well.';
   String get usage => "pub serve [directories...]";
   String get docUrl => "http://dartlang.org/tools/pub/cmd/pub-serve.html";
+
   PubPackageProvider _provider;
+
   String get hostname => commandOptions['hostname'];
+
+  /// The base port for the servers.
+  ///
+  /// This will print a usage error and exit if the specified port is invalid.
   int get port => parseInt(commandOptions['port'], 'port');
+
+  /// The port for the admin UI.
+  ///
+  /// This will print a usage error and exit if the specified port is invalid.
   int get adminPort {
     var adminPort = commandOptions['admin-port'];
     return adminPort == null ? null : parseInt(adminPort, 'admin port');
   }
+
+  /// `true` if Dart entrypoints should be compiled to JavaScript.
   bool get useDart2JS => commandOptions['dart2js'];
+
+  /// `true` if the admin server URL should be displayed on startup.
   bool get logAdminUrl => commandOptions['log-admin-url'];
+
   BarbackMode get defaultMode => BarbackMode.DEBUG;
+
   List<String> get defaultSourceDirectories => ["web", "test"];
+
+  /// This completer is used to keep pub running (by not completing) and to
+  /// pipe fatal errors to pub's top-level error-handling machinery.
   final _completer = new Completer();
+
   ServeCommand() {
     commandParser.addOption(
         'hostname',
@@ -36,8 +66,17 @@ class ServeCommand extends BarbackCommand {
         'port',
         defaultsTo: '8080',
         help: 'The base port to listen on.');
+
+    // TODO(rnystrom): A hidden option to print the URL that the admin server
+    // is bound to on startup. Since this is currently only used for the Web
+    // Socket interface, we don't want to show it to users, but the tests and
+    // Editor need this logged to know what port to bind to.
+    // Remove this (and always log) when #16954 is fixed.
     commandParser.addFlag('log-admin-url', defaultsTo: false, hide: true);
+
+    // TODO(nweiz): Make this public when issue 16954 is fixed.
     commandParser.addOption('admin-port', hide: true);
+
     commandParser.addFlag(
         'dart2js',
         defaultsTo: true,
@@ -47,6 +86,7 @@ class ServeCommand extends BarbackCommand {
         defaultsTo: false,
         help: 'Force the use of a polling filesystem watcher.');
   }
+
   Future onRunTransformerCommand() {
     final completer0 = new Completer();
     scheduleMicrotask(() {
@@ -65,8 +105,9 @@ class ServeCommand extends BarbackCommand {
                 useDart2JS: useDart2JS).then((x2) {
               try {
                 var environment = x2;
-                var directoryLength =
-                    sourceDirectories.map(((dir) => dir.length)).reduce(math.max);
+                var directoryLength = sourceDirectories.map(((dir) {
+                  return dir.length;
+                })).reduce(math.max);
                 environment.startAdminServer(adminPort).then((x3) {
                   try {
                     var server = x3;
@@ -76,7 +117,7 @@ class ServeCommand extends BarbackCommand {
                     join2() {
                       environment.pauseUpdates();
                       var it0 = sourceDirectories.iterator;
-                      break0(x7) {
+                      break0() {
                         environment.barback.errors.listen(((error) {
                           log.error(log.red("Build error:\n$error"));
                         }));
@@ -93,37 +134,38 @@ class ServeCommand extends BarbackCommand {
                         _completer.future.then((x4) {
                           try {
                             x4;
-                            completer0.complete(null);
-                          } catch (e2) {
-                            completer0.completeError(e2);
+                            completer0.complete();
+                          } catch (e0, s0) {
+                            completer0.completeError(e0, s0);
                           }
-                        }, onError: (e3) {
-                          completer0.completeError(e3);
-                        });
+                        }, onError: completer0.completeError);
                       }
-                      continue0(x8) {
+                      var trampoline0;
+                      continue0() {
+                        trampoline0 = null;
                         if (it0.moveNext()) {
-                          Future.wait([]).then((x6) {
-                            var directory = it0.current;
-                            _startServer(
-                                environment,
-                                directory,
-                                directoryLength).then((x5) {
+                          var directory = it0.current;
+                          _startServer(
+                              environment,
+                              directory,
+                              directoryLength).then((x5) {
+                            trampoline0 = () {
+                              trampoline0 = null;
                               try {
                                 x5;
-                                continue0(null);
-                              } catch (e4) {
-                                completer0.completeError(e4);
+                                trampoline0 = continue0;
+                              } catch (e1, s1) {
+                                completer0.completeError(e1, s1);
                               }
-                            }, onError: (e5) {
-                              completer0.completeError(e5);
-                            });
-                          });
+                            };
+                            do trampoline0(); while (trampoline0 != null);
+                          }, onError: completer0.completeError);
                         } else {
-                          break0(null);
+                          break0();
                         }
                       }
-                      continue0(null);
+                      trampoline0 = continue0;
+                      do trampoline0(); while (trampoline0 != null);
                     }
                     if (logAdminUrl) {
                       log.message(
@@ -132,18 +174,14 @@ class ServeCommand extends BarbackCommand {
                     } else {
                       join2();
                     }
-                  } catch (e1) {
-                    completer0.completeError(e1);
+                  } catch (e2, s2) {
+                    completer0.completeError(e2, s2);
                   }
-                }, onError: (e6) {
-                  completer0.completeError(e6);
-                });
-              } catch (e0) {
-                completer0.completeError(e0);
+                }, onError: completer0.completeError);
+              } catch (e3, s3) {
+                completer0.completeError(e3, s3);
               }
-            }, onError: (e7) {
-              completer0.completeError(e7);
-            });
+            }, onError: completer0.completeError);
           }
           if (commandOptions['force-poll']) {
             join1(WatcherType.POLLING);
@@ -156,12 +194,13 @@ class ServeCommand extends BarbackCommand {
         } else {
           join0(parseInt(commandOptions['admin-port'], 'admin port'));
         }
-      } catch (e8) {
-        completer0.completeError(e8);
+      } catch (e, s) {
+        completer0.completeError(e, s);
       }
     });
     return completer0.future;
   }
+
   Future _startServer(AssetEnvironment environment, String rootDirectory,
       int directoryLength) {
     final completer0 = new Completer();
@@ -194,26 +233,28 @@ class ServeCommand extends BarbackCommand {
                   "Serving ${entrypoint.root.name} "
                       "${padRight(server.rootDirectory, directoryLength)} "
                       "on ${log.bold('http://${hostname}:${server.port}')}");
-              completer0.complete(null);
+              completer0.complete();
             }
             if (mode == BarbackMode.RELEASE) {
-              server.allowAsset = ((url) => !url.path.endsWith(".dart"));
+              server.allowAsset = ((url) {
+                return !url.path.endsWith(".dart");
+              });
               join0();
             } else {
               join0();
             }
-          } catch (e0) {
-            completer0.completeError(e0);
+          } catch (e0, s0) {
+            completer0.completeError(e0, s0);
           }
-        }, onError: (e1) {
-          completer0.completeError(e1);
-        });
-      } catch (e2) {
-        completer0.completeError(e2);
+        }, onError: completer0.completeError);
+      } catch (e, s) {
+        completer0.completeError(e, s);
       }
     });
     return completer0.future;
   }
+
+  /// Reports [error] and exits the server.
   void _fatalError(error, [stackTrace]) {
     if (_completer.isCompleted) return;
     _completer.completeError(error, stackTrace);