Issue 5062 - [emscripten] Allow generation of custom bindings code

compiled/bindings.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 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 46 matching lines @@
   class_<ActiveFilter,Filter>("ActiveFilter")
       .property("disabled", &ActiveFilter::GetDisabled, &ActiveFilter::SetDisabled)
       .property("hitCount", &ActiveFilter::GetHitCount, &ActiveFilter::SetHitCount)
       .property("lastHit", &ActiveFilter::GetLastHit, &ActiveFilter::SetLastHit)
       .function("isActiveOnDomain", &ActiveFilter::IsActiveOnDomain)
       .function("isActiveOnlyOnDomain", &ActiveFilter::IsActiveOnlyOnDomain)
       .function("isGeneric", &ActiveFilter::IsGeneric)
       .function("serialize", &ActiveFilter::Serialize);
 
   class_<RegExpFilter,ActiveFilter>("RegExpFilter")
-      .function("matches", &RegExpFilter::Matches)
-      .class_initializer(&RegExpFilter::InitJSTypes);
+      .function("matches", &RegExpFilter::Matches);
+
+  custom_generator(&RegExpFilter::GenerateCustomBindings);
 
   class_<BlockingFilter,RegExpFilter>("BlockingFilter")
       .class_property("type", "'blocking'");
 
   class_<WhitelistFilter,RegExpFilter>("WhitelistFilter")
       .class_property("type", "'whitelist'");
 
   class_<ElemHideBase,ActiveFilter>("ElemHideBase")
       .property("selector", &ElemHideBase::GetSelector)
       .property("selectorDomain", &ElemHideBase::GetSelectorDomain);
@@ skipping 37 matching lines @@
       .property("softExpiration", &DownloadableSubscription::GetSoftExpiration, &DownloadableSubscription::SetSoftExpiration)
       .property("lastDownload", &DownloadableSubscription::GetLastDownload, &DownloadableSubscription::SetLastDownload)
       .property("downloadStatus", &DownloadableSubscription::GetDownloadStatus, &DownloadableSubscription::SetDownloadStatus)
       .property("lastSuccess", &DownloadableSubscription::GetLastSuccess, &DownloadableSubscription::SetLastSuccess)
       .property("errors", &DownloadableSubscription::GetErrorCount, &DownloadableSubscription::SetErrorCount)
       .property("version", &DownloadableSubscription::GetDataRevision, &DownloadableSubscription::SetDataRevision)
       .property("requiredVersion", &DownloadableSubscription::GetRequiredVersion, &DownloadableSubscription::SetRequiredVersion)
       .property("downloadCount", &DownloadableSubscription::GetDownloadCount, &DownloadableSubscription::SetDownloadCount)
       .function("serialize", &DownloadableSubscription::Serialize);
 }