Issue 2177 - Optimize filter matching performance by performing regexp match last

lib/filterClasses.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 600 matching lines @@
    * Tests whether the URL matches this filter
    * @param {String} location URL to be tested
    * @param {String} contentType content type identifier of the URL
    * @param {String} docDomain domain name of the document that loads the URL
    * @param {Boolean} thirdParty should be true if the URL is a third-party request
    * @param {String} sitekey public key provided by the document
    * @return {Boolean} true in case of a match
    */
   matches: function(location, contentType, docDomain, thirdParty, sitekey)
   {
-    if (this.regexp.test(location) &&
-        (RegExpFilter.typeMap[contentType] & this.contentType) != 0 &&
+    if ((RegExpFilter.typeMap[contentType] & this.contentType) != 0 &&
         (this.thirdParty == null || this.thirdParty == thirdParty) &&
-        this.isActiveOnDomain(docDomain, sitekey))
+        this.isActiveOnDomain(docDomain, sitekey) && this.regexp.test(location))
     {
       return true;
     }
 
     return false;
   }
 };
 
 // Required to optimize Matcher, see also RegExpFilter.prototype.length
 Object.defineProperty(RegExpFilter.prototype, "0",
@@ skipping 305 matching lines @@
 function ElemHideException(text, domains, selector)
 {
   ElemHideBase.call(this, text, domains, selector);
 }
 exports.ElemHideException = ElemHideException;
 
 ElemHideException.prototype =
 {
   __proto__: ElemHideBase.prototype
 };