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

compiled/filter/RegExpFilter.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 335 matching lines @@
         AddSitekey(DependentString(sitekeys, start, scanner.position() - start));
       start = scanner.position() + 1;
     }
   }
 }
 
 void RegExpFilter::GenerateCustomBindings()
 {
   printf("exports.RegExpFilter.typeMap = {\n");
 
-  for (const auto& it : typeMap)
-  {
-    std::string type(it.first.length(), '\0');
-    for (int i = 0; i < it.first.length(); i++)
-      type[i] = (it.first[i] == '-' ? '_' : toupper(it.first[i]));
-    printf("  %s: %i,\n", type.c_str(), it.second);
+  for (const auto& item : typeMap)
+  {
+    std::string type(item.first.length(), '\0');
+    for (int i = 0; i < item.first.length(); i++)
+      type[i] = (item.first[i] == '-' ? '_' : toupper(item.first[i]));
+    printf("  %s: %i,\n", type.c_str(), item.second);
   }
   printf("};\n");
 }
 
 RegExpFilter::DomainMap* RegExpFilter::GetDomains() const
 {
   if (!mData.DomainsParsingDone())
   {
     ParseDomains(mData.GetDomainsSource(mText), u'|');
     mData.SetDomainsParsingDone();
@@ skipping 22 matching lines @@
     return false;
   }
 
   if (!mData.RegExpParsingDone())
   {
     const OwnedString pattern(mData.GetRegExpSource(mText));
     mData.SetRegExp(GenerateRegExp(RegExpFromSource(pattern), mData.mMatchCase));
   }
   return EM_ASM_INT(return regexps.test($0, $1), mData.mRegexpId, &location);
 }