Change to use Pathos

pkg/docgen/bin/docgen.dart

 // 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.
 
 import 'dart:io';
 
 import 'package:args/args.dart';
 import 'package:logging/logging.dart';
 
 import '../lib/docgen.dart';
-import '../../../sdk/lib/_internal/compiler/implementation/mirrors/mirrors.dart';
-import '../../../sdk/lib/_internal/compiler/implementation/mirrors/mirrors_util.dart';
 
 /**
  * Analyzes Dart files and generates a representation of included libraries, 
  * classes, and members. 
  */
 void main() {
   logger.onRecord.listen((record) => print(record.message));
   var results = initArgParser().parse(new Options().arguments);
   if (results["help"]) return;  
-  new Docgen(results).analyze(listLibraries(results.rest));
+  new Docgen(results);
 }
 
 /**
  * Creates parser for docgen command line arguments. 
  */
 ArgParser initArgParser() {
   var parser = new ArgParser();
   parser.addFlag("help", abbr: "h", 
       help: "Prints help and usage information.", 
       negatable: false, 
@@ skipping 17 matching lines @@
       help: "Same as output-format=yaml.", negatable: false);
   parser.addFlag("json", abbr: "j", 
       help: "Same as output-format=json.", negatable: false);
   parser.addFlag("include-private", 
       help: "Flag to include private declarations.", negatable: false);
   parser.addFlag("include-sdk", 
       help: "Flag to parse SDK Library files.", negatable: false);
   
   return parser;
 }