Move frog/leg to lib/compiler/implementation.

frog/leg/scanner/scanner_bench.dart

-// Copyright (c) 2012, 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.
-
-#library('scanner_bench');
-#import('scannerlib.dart');
-#import('scanner_implementation.dart');
-#source('source_list.dart');
-
-/**
- * A common superclass for scanner benchmarks.
- */
-class ScannerBench {
-  void main(List<String> arguments) {
-    for (String argument in arguments) {
-      checkExistence(argument);
-    }
-    tokenizeAll(print, 10, arguments);
-    tokenizeAll((x) {}, 1000, arguments);
-    tokenizeAll(print, 10, arguments);
-  }
-
-  void tokenizeAll(void log(String s), int iterations, List<String> arguments) {
-    VerboseProgressBar bar = new VerboseProgressBar(iterations);
-    bar.begin();
-    for (int i = 0; i < iterations; i++) {
-      bar.tick();
-      Stopwatch timer = new Stopwatch();
-      timer.start();
-      int charCount = 0;
-      for (final String argument in arguments) {
-        charCount += tokenizeOne(argument);
-      }
-      timer.stop();
-      bar.recordScore(charCount / timer.elapsedInMs());
-      log("Tokenized ${arguments.length} files " +
-          "(total size = ${charCount} chars) " +
-          "in ${timer.elapsedInMs()}ms");
-    }
-    bar.end();
-  }
-
-  int tokenizeOne(String filename) {
-    return getBytes(filename, (bytes) {
-      Scanner scanner = makeScanner(bytes);
-      try {
-        printTokens(scanner.tokenize());
-      } catch (MalformedInputException e) {
-        print("${filename}: ${e}");
-      }
-    });
-  }
-
-  void printTokens(Token token) {
-    // TODO(ahe): Turn this into a proper test.
-    return;
-    StringBuffer sb = new StringBuffer();
-    for (; token != null; token = token.next) {
-      if (token.kind < 127) {
-        sb.add(new String.fromCharCodes([token.kind]));
-      } else {
-        sb.add(token.kind);
-      }
-      sb.add(":");
-      sb.add(token);
-      sb.add(" ");
-    }
-    print(sb.toString());
-  }
-
-  abstract int getBytes(String filename, void callback(bytes));
-  abstract Scanner makeScanner(bytes);
-  abstract void checkExistence(String filename);
-}
-
-class ProgressBar {
-  static final String hashes = "##############################################";
-  static final String spaces = "                                              ";
-  static final int GEOMEAN_COUNT = 50;
-
-  final String esc;
-  final String up;
-  final String clear;
-  final int total;
-  final List<num> scores;
-  int ticks = 0;
-
-  ProgressBar(int total) : this.escape(total, new String.fromCharCodes([27]));
-
-  ProgressBar.escape(this.total, String esc)
-    : esc = esc, up = "$esc[1A", clear = "$esc[K", scores = new List<num>();
-
-  void begin() {
-    if (total > 10) {
-      print("[$spaces] 0%");
-      print("$up[${hashes.substring(0, ticks * spaces.length ~/ total)}");
-    }
-  }
-
-  void tick() {
-    if (total > 10 && ticks % 5 === 0) {
-      print("$up$clear[$spaces] ${ticks * 100 ~/ total}% ${score()}");
-      print("$up[${hashes.substring(0, ticks * spaces.length ~/ total)}");
-    }
-    ++ticks;
-  }
-
-  void end() {
-    if (total > 10) {
-      print("$up$clear[$hashes] 100% ${score()}");
-    }
-  }
-
-  void recordScore(num score) {
-    scores.addLast(score);
-  }
-
-  int score() {
-    num geoMean = 1;
-    int count = Math.min(scores.length, GEOMEAN_COUNT);
-    for (int i = scores.length - count; i < scores.length; i++) {
-      geoMean *= scores[i];
-    }
-    geoMean = Math.pow(geoMean, 1/Math.max(count, 1));
-    return geoMean.round().toInt();
-  }
-}
-
-class VerboseProgressBar {
-  final int total;
-  int ticks = 0;
-
-  VerboseProgressBar(int this.total);
-
-  void begin() {
-  }
-
-  void tick() {
-    ++ticks;
-  }
-
-  void end() {
-  }
-
-  void recordScore(num score) {
-    if (total > 10) {
-      print("$ticks, $score, ${ticks * 100 ~/ total}%");
-    }
-  }
-}