Issue 5216 - [emscripten] Use a more reliable way of retrieving mangled function name

compiled/bindings/generator.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 126 matching lines @@
       args.push_back(type);
     }
 
     int nameLength = GetFunctionName(nullptr, function, signature.c_str());
     name.resize(nameLength);
     GetFunctionName(name.data(), function, signature.c_str());
   }
 
   bool FunctionInfo::empty() const
   {
-    return name.size() == 0;

[sergei, 2017/05/08 10:58:19]

name.empty() would be better.

[Wladimir Palant, 2017/05/08 11:41:34]

Done.

+    return name.empty();
   }
 
   ClassInfo* find_class(TYPEID classID)
   {
     for (auto& classInfo : classes)
       if (classInfo.id == classID)
         return &classInfo;
     return nullptr;
   }
 
@@ skipping 341 matching lines @@
 
 void printBindings()
 {
   bindings_internal::printHelpers();
 
   for (const auto& item : classes)
     bindings_internal::printClass(item);
   for (const auto& item : namespaces)
     bindings_internal::printNamespace(item);
 }