New analyzer_experimental snapshot.

pkg/analyzer_experimental/example/parser_driver.dart

 #!/usr/bin/env 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:analyzer_experimental/src/generated/java_core.dart' show CharSequence;
 import 'package:analyzer_experimental/src/generated/ast.dart';
 import 'package:analyzer_experimental/src/generated/error.dart';
 import 'package:analyzer_experimental/src/generated/parser.dart';
 import 'package:analyzer_experimental/src/generated/scanner.dart';
 
-import 'dart:io';
-
 
 main() {
 
   print('working dir ${new File('.').fullPathSync()}');
 
   var args = new Options().arguments;
   if (args.length == 0) {
     print('Usage: parser_driver [files_to_parse]');
     exit(0);
   }
 
   for (var arg in args) {
     _parse(new File(arg));
   }
 
 }
 
 _parse(File file) {
   var src = file.readAsStringSync();
   var errorListener = new _ErrorCollector();
-  var scanner = new StringScanner(null, src, errorListener);
+  var reader = new CharSequenceReader(new CharSequence(src));
+  var scanner = new Scanner(null, reader, errorListener);
   var token = scanner.tokenize();
   var parser = new Parser(null, errorListener);
   var unit = parser.parseCompilationUnit(token);
 
   var visitor = new _ASTVisitor();
   unit.accept(visitor);
 
   for (var error in errorListener.errors) {
     print(error);
   }
 }
 
 class _ErrorCollector extends AnalysisErrorListener {
   List<AnalysisError> errors;
   _ErrorCollector() : errors = new List<AnalysisError>();
   onError(error) => errors.add(error);
 }
 
 class _ASTVisitor extends GeneralizingASTVisitor {
   visitNode(ASTNode node) {
     print('${node.runtimeType} : <"${node.toString()}">');
     return super.visitNode(node);
   }
 }