pkg/analyzer/example/scanner_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/src/generated/scanner.dart';
import 'package:analyzer/src/generated/java_core.dart' show CharSequence;

main() {

  print('working dir ${new File('.').fullPathSync()}');

  var args = new Options().arguments;
  if (args.length == 0) {
    print('Usage: scanner_driver [files_to_scan]');
    exit(0);
  }

  for (var arg in args) {
    _scan(new File(arg));
  }

}

_scan(File file) {
  var src = file.readAsStringSync();
  var reader = new CharSequenceReader(new CharSequence(src));
  var scanner = new Scanner(null, reader, null);
  var token = scanner.tokenize();
  while (token.type != TokenType.EOF) {
    print(token);
    token = token.next;
  }
}