Remove the Path class from dart:io

utils/compiler/create_snapshot.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';
 
 Future<String> getVersion(var options, var rootPath) {
   var suffix = Platform.operatingSystem == 'windows' ? '.exe' : '';
-  var printVersionScript =
-      rootPath.append("tools").append("print_version.py").toNativePath();
-  return Process.run("python$suffix", [printVersionScript]).then((result) {
+  var printVersionScript = rootPath.resolve("tools/print_version.py");
+  return Process.run("python$suffix",
+                     [printVersionScript.toFilePath()]).then((result) {
     if (result.exitCode != 0) {
       throw "Could not generate version";
     }
     return result.stdout.trim();
   });
 }
 
 Future<String> getSnapshotGenerationFile(var options, var args, var rootPath) {
-  var dart2js = rootPath.append(args["dart2js_main"]);
-  var dartdoc = rootPath.append(args["dartdoc_main"]);
-
+  var dart2js = rootPath.resolve(args["dart2js_main"]);
+  var dartdoc = rootPath.resolve(args["dartdoc_main"]);
   return getVersion(options, rootPath).then((version) {
     var snapshotGenerationText =
 """
-import '${dart2js}' as dart2jsMain;
-import '${dartdoc}' as dartdocMain;
+import '${dart2js.toFilePath()}' as dart2jsMain;

[ahe, 2013/08/15 09:29:00]

That isn't right. Dart imports use URI syntax.

+import '${dartdoc.toFilePath()}' as dartdocMain;
 import 'dart:io';
 
 void main() {
   Options options = new Options();
   if (options.arguments.length < 1) throw "No tool given as argument";
   String tool = options.arguments.removeAt(0);
   if (tool == "dart2js") {
     dart2jsMain.BUILD_ID = "$version";
     dart2jsMain.mainWithErrorHandler(options);
   } else if (tool == "dartdoc") {
@@ skipping 41 matching lines @@
     if (!validArguments.contains(argumentSplit[0])) {
       throw "Invalid argument $argument";
     }
     args[argumentSplit[0].substring(2)] = argumentSplit[1];
   }
   if (!args.containsKey("dart2js_main")) throw "Please specify dart2js_main";
   if (!args.containsKey("dartdoc_main")) throw "Please specify dartdoc_main";
   if (!args.containsKey("output_dir")) throw "Please specify output_dir";
   if (!args.containsKey("package_root")) throw "Please specify package_root";
 
-  var scriptFile = new File(new File(options.script).fullPathSync());
-  var path = new Path(scriptFile.directory.path);
-  var rootPath = path.directoryPath.directoryPath;
+  var scriptFile = new Uri.file(new File(options.script).fullPathSync());
+  var path = scriptFile.resolve(".");
+  var rootPath = path.resolve("../..");
   getSnapshotGenerationFile(options, args, rootPath).then((result) {
     var wrapper = "${args['output_dir']}/utils_wrapper.dart";
     writeSnapshotFile(wrapper, result);
     createSnapshot(options, wrapper, args["package_root"]);
   });
 }