Issue 4128, 5138 - Add Parser and Serializer implemented in C++

compiled/intrusive_ptr.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present 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 42 matching lines @@
 
   virtual ~ref_counted()
   {
     assert(mRefCount == 0, u"Destroying a ref-counted object with a non-zero reference count"_str);
   }
 
 private:
   int mRefCount;
 };
 
-template<typename T,
-    class = typename std::enable_if<std::is_base_of<ref_counted,T>::value>::type>
+template<typename T>
 class intrusive_ptr
 {
+  static_assert(std::is_base_of<ref_counted, T>::value, "The class T should inherit ref_counted");
 public:
   explicit intrusive_ptr()
       : mPointer(nullptr)
   {
   }
 
   explicit intrusive_ptr(T* pointer, bool addRef = true)
       : mPointer(pointer)
   {
     if (mPointer && addRef)
@@ skipping 35 matching lines @@
   {
     intrusive_ptr(other).swap(*this);
     return *this;
   }
 
   void reset()
   {
     intrusive_ptr().swap(*this);
   }
 
-  void reset(T* other)
+  void reset(T* other, bool addRef = true)
   {
-    intrusive_ptr(other).swap(*this);
+    intrusive_ptr(other, addRef).swap(*this);
   }
 
   const T* get() const
   {
     return mPointer;
   }
 
   T* get()
   {
     return mPointer;
@@ skipping 73 matching lines @@
 inline bool operator==(const T* a, const intrusive_ptr<U>& b)
 {
   return a == b.get();
 }
 
 template<typename T, typename U>
 inline bool operator!=(const T* a, intrusive_ptr<U> const& b)
 {
   return a != b.get();
 }