Update charted to 0.4.8 and roll

packages/petitparser/test/core_benchmark.dart

-library petitparser.test.all_benchmark;
-
-import 'package:petitparser/petitparser.dart';
-
-double benchmark(Function function,
-    [int warmup = 100, int milliseconds = 2500]) {
-  var count = 0;
-  var elapsed = 0;
-  var watch = new Stopwatch();
-  while (warmup-- > 0) {
-    function();
-  }
-  watch.start();
-  while (elapsed < milliseconds) {
-    function();
-    elapsed = watch.elapsedMilliseconds;
-    count++;
-  }
-  return elapsed / count;
-}
-
-Function charTest(List<String> inputs, Parser parser) {
-  return () {
-    for (var i = 0; i < inputs.length; i++) {
-      parser.parse(inputs[i]);
-    }
-  };
-}
-
-final characters = new List.generate(256, (value) => new String.fromCharCode(value));
-
-Function stringTest(String input, Parser parser) {
-  return () {
-    parser.parse(input);
-  };
-}
-
-final string = characters.join();
-
-final benchmarks = {
-
-  // char tests
-  "any()": charTest(characters, any()),
-  "anyOf('uncopyrightable')": charTest(characters, anyOf('uncopyrightable')),
-  "char('a')": charTest(characters, char('a')),
-  "digit()": charTest(characters, digit()),
-  "letter()": charTest(characters, letter()),
-  "lowercase()": charTest(characters, lowercase()),
-  "noneOf('uncopyrightable')": charTest(characters, noneOf('uncopyrightable')),
-  "pattern('^a')": charTest(characters, pattern('^a')),
-  "pattern('^a-cx-zA-CX-Z1-37-9')": charTest(characters, pattern('^a-cx-zA-CX-Z1-37-9')),
-  "pattern('^a-z')": charTest(characters, pattern('^a-z')),
-  "pattern('^acegik')": charTest(characters, pattern('^acegik')),
-  "pattern('a')": charTest(characters, pattern('a')),
-  "pattern('a-cx-zA-CX-Z1-37-9')": charTest(characters, pattern('a-cx-zA-CX-Z1-37-9')),
-  "pattern('a-z')": charTest(characters, pattern('a-z')),
-  "pattern('acegik')": charTest(characters, pattern('acegik')),
-  "range('a', 'z')": charTest(characters, range('a', 'z')),
-  "uppercase()": charTest(characters, uppercase()),
-  "whitespace()": charTest(characters, whitespace()),
-  "word()": charTest(characters, word()),
-
-  // combinator tests
-  "star()": stringTest(string, any().star()),
-  "starLazy()": stringTest(string, any().starLazy(failure())),
-  "starGreedy()": stringTest(string, any().starGreedy(failure())),
-  "plus()": stringTest(string, any().plus()),
-  "plusLazy()": stringTest(string, any().plusLazy(failure())),
-  "plusGreedy()": stringTest(string, any().plusGreedy(failure())),
-  "or()": stringTest(string, failure().or(any()).star()),
-  "seq()": stringTest(string, new SequenceParser(new List.filled(string.length, any()))),
-};
-
-void main() {
-  print('<?xml version="1.0"?>');
-  print('<benchmarks>');
-  for (var name in benchmarks.keys) {
-    print('  <benchmark name="$name">${benchmark(benchmarks[name])}</benchmark>');
-  }
-  print('</benchmarks>');
-}