Clean up the scanner directory

dart/lib/compiler/implementation/scanner/parser_bench.dart

Index: dart/lib/compiler/implementation/scanner/parser_bench.dart
diff --git a/dart/lib/compiler/implementation/scanner/parser_bench.dart b/dart/lib/compiler/implementation/scanner/parser_bench.dart
deleted file mode 100644
index 69dea0adce1541d218fb700c8020c520a122ca18..0000000000000000000000000000000000000000
--- a/dart/lib/compiler/implementation/scanner/parser_bench.dart
+++ /dev/null
@@ -1,114 +0,0 @@
-// Copyright (c) 2011, 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.
-
-/**
- * A benchmark for the Dart parser.
- */
-class ParserBench extends BaseParserBench {
-  int charCount = 0;
-  double score = 0.0;
-
-  Token scanFileNamed(String filename) {
-    Token token;
-    getBytes(filename, (bytes) {
-      StringScanner scanner = makeScanner(bytes);
-      try {
-        token = scanner.tokenize();
-        printTokens(token);
-        charCount += scanner.charOffset;
-      } catch (MalformedInputException e) {
-        print("${filename}: ${e}");
-      }
-    });
-    return token;
-  }
-
-  void timedParseAll(List<String> arguments) {
-    charCount = 0;
-    Stopwatch timer = new Stopwatch();
-    timer.start();
-    BenchListener listener = parseAll(arguments);
-    timer.stop();
-    print("Parsing (${listener.libraryTagCount} tags, "
-          "${listener.classCount} classes, "
-          "${listener.interfaceCount} interfaces, "
-          "${listener.aliasCount} typedefs, "
-          "${listener.topLevelMemberCount} top-level members) "
-          "took ${timer.elapsedInMs()}ms");
-  }
-
-  BenchListener parseAll(List<String> arguments) {
-    charCount = 0;
-    Stopwatch timer = new Stopwatch();
-    timer.start();
-    BenchListener listener = new BenchListener();
-    for (String argument in arguments) {
-      parseFileNamed(argument, listener);
-    }
-    timer.stop();
-    score = charCount / timer.elapsedInMs();
-    return listener;
-  }
-
-  void parseFileNamed(String argument, Listener listener) {
-    bool failed = true;
-    try {
-      PartialParser parser = new PartialParser(listener);
-      parser.parseUnit(scanFileNamed(argument));
-      failed = false;
-    } finally {
-      if (failed) print('Error in ${argument}');
-    }
-  }
-
-  void main(List<String> arguments) {
-    for (int i = 0; i < 10; i++) {
-      timedParseAll(arguments);
-    }
-    final int iterations = 500;
-    VerboseProgressBar bar = new VerboseProgressBar(iterations);
-    bar.begin();
-    for (int i = 0; i < iterations; i++) {
-      bar.tick();
-      parseAll(arguments);
-      bar.recordScore(score);
-    }
-    bar.end();
-    for (int i = 0; i < 10; i++) {
-      timedParseAll(arguments);
-    }
-  }
-}
-
-main() {
-  new ParserBench().main(argv);
-}
-
-class BenchListener extends Listener {
-  int aliasCount = 0;
-  int classCount = 0;
-  int interfaceCount = 0;
-  int libraryTagCount = 0;
-  int topLevelMemberCount = 0;
-
-  void beginTopLevelMember(Token token) {
-    topLevelMemberCount++;
-  }
-
-  void beginLibraryTag(Token token) {
-    libraryTagCount++;
-  }
-
-  void beginInterface(Token token) {
-    interfaceCount++;
-  }
-
-  void beginClass(Token token) {
-    classCount++;
-  }
-
-  void beginFunctionTypeAlias(Token token) {
-    aliasCount++;
-  }
-}