feat(selector): initial version of the selector

modules/benchmarks/src/compiler/benchmark.es5

@@ -0,0 +1,17 @@
+System.import('benchmarks/compiler/selector_benchmark').then(function (bm) {
+  bm.setup();
+
+  window.benchmarkSteps.push({name: 'CssSelector.parse', fn: bm.runParse});
+}, console.log.bind(console));
+
+System.import('benchmarks/compiler/selector_benchmark').then(function (bm) {
+  bm.setup();
+
+  window.benchmarkSteps.push({name: 'SelectorMatcher.addSelectable', fn: bm.runAdd});
+}, console.log.bind(console));
+
+System.import('benchmarks/compiler/selector_benchmark').then(function (bm) {
+  bm.setup();
+
+  window.benchmarkSteps.push({name: 'SelectorMatcher.match', fn: bm.runMatch});
+}, console.log.bind(console));

modules/benchmarks/src/compiler/bp.conf.es5

@@ -0,0 +1,11 @@
+module.exports = function(config) {
+  config.set({
+    scripts: [
+      {src: '/js/traceur-runtime.js'},
+      {src: '/js/es6-module-loader-sans-promises.src.js'},
+      {src: '/js/extension-register.js'},
+      {src: 'register_system.js'},
+      {src: 'benchmark.js'}
+    ]
+  });
+};

modules/benchmarks/src/compiler/register_system.es5

@@ -0,0 +1,10 @@
+System.paths = {
+  'core/*': '/js/core/lib/*.js',
+  'change_detection/*': '/js/change_detection/lib/*.js',
+  'facade/*': '/js/facade/lib/*.js',
+  'di/*': '/js/di/lib/*.js',
+  'rtts_assert/*': '/js/rtts_assert/lib/*.js',
+  'test_lib/*': '/js/test_lib/lib/*.js',
+  'benchmarks/*': '/js/benchmarks/lib/*.js'
+};
+register(System);

modules/benchmarks/src/compiler/selector_benchmark.js

@@ -0,0 +1,81 @@
+import {SelectorMatcher, CssSelector} from "core/compiler/selector";
+import {StringWrapper, Math} from 'facade/lang';
+import {ListWrapper} from 'facade/collection';
+
+var fixedMatcher;
+var fixedSelectorStrings = [];
+var fixedSelectors = [];
+
+var COUNT = 1000;
+
+export function setup() {
+  for (var i=0; i<COUNT; i++) {
+    ListWrapper.push(fixedSelectorStrings, randomSelector());
+  }
+  for (var i=0; i<COUNT; i++) {
+    ListWrapper.push(fixedSelectors, CssSelector.parse(fixedSelectorStrings[i]));
+  }
+  fixedMatcher = new SelectorMatcher();
+  for (var i=0; i<COUNT; i++) {
+    fixedMatcher.addSelectable(fixedSelectors[i], i);
+  }
+}
+
+export function runParse() {
+  var result = [];
+  for (var i=0; i<COUNT; i++) {
+    ListWrapper.push(result, CssSelector.parse(fixedSelectorStrings[i]));
+  }
+  return result;
+}
+
+export function runAdd() {
+  // The sum is used to prevent Chrome from optimizing the loop away...
+  var matcher = new SelectorMatcher();
+  var count = 0;
+  for (var i=0; i<COUNT; i++) {
+    count += matcher.addSelectable(fixedSelectors[i], i);
+  }
+  return count;
+}
+
+export function runMatch() {
+  // The sum is used to prevent Chrome from optimizing the loop away...
+  var count = 0;
+  for (var i=0; i<COUNT; i++) {
+    fixedMatcher.match(fixedSelectors[i], (selected) => {
+      count += selected;
+    });
+  }
+  return count;
+}
+
+function randomSelector() {
+  var res = randomStr(5);
+  for (var i=0; i<3; i++) {
+    res += '.'+randomStr(5);
+  }
+  for (var i=0; i<3; i++) {
+    res += '['+randomStr(3)+'='+randomStr(6)+']';
+  }
+  return res;
+}
+
+function randomStr(len){
+  var s = '';
+  while (s.length < len) {
+    s += randomChar();
+  }
+  return s;
+}
+
+function randomChar(){
+  var n = randomNum(62);
+  if(n<10) return n; //1-10
+  if(n<36) return StringWrapper.fromCharCode(n+55); //A-Z
+  return StringWrapper.fromCharCode(n+61); //a-z
+}
+
+function randomNum(max) {
+  return Math.floor(Math.random() * max);
+}