Core/MemoryHelper: Add portable stack allocation

Former-commit-id: 50b96029c53d1784f028148f1ec15ae2cf98d036 [formerly eb3398905190df3d0dc77c8a3b54bb455059e39b] [formerly bfac4638e043161208ee7cf4735a788b1427f73e [formerly 1ee0a59ab5aa407c995afd287a9aaa4307075754]]
Former-commit-id: 521c4248c638e5141534cd1d223d8f563693b821 [formerly 203f6191b3b24ccb2e04d330372973dadfb81e1d]
Former-commit-id: 140a5c705819055b4d27f43156b079d6142049a5

include/Nazara/Core/MemoryHelper.inl

@@ -9,6 +9,7 @@
 	#define NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
 #endif
 
+#include <Nazara/Core/MemoryHelper.hpp>
 #include <Nazara/Core/MemoryManager.hpp>
 #include <new>
 #include <utility>
@@ -62,6 +63,51 @@ namespace Nz
 	{
 		return new (ptr) T(std::forward<Args>(args)...);
 	}
+
+	/*!
+	* \ingroup core
+	* \class Nz::StackAllocation
+	* \brief Core class that represents a stack allocation
+	*/
+
+
+	/*!
+	* \brief Constructs a StackAllocation object with a pointer to a memory allocated with NAZARA_ALLOCA or OperatorNew is alloca is not supported
+	*
+	* \param ptr Pointer to raw memory
+	*/
+	inline StackAllocation::StackAllocation(void* stackMemory) :
+	m_ptr(stackMemory)
+	{
+	}
+
+	/*!
+	* \brief Destructs the object and release memory if necessary
+	*/
+	inline StackAllocation::~StackAllocation()
+	{
+		#ifndef NAZARA_ALLOCA_SUPPORT
+		OperatorDelete(m_ptr);
+		#endif
+	}
+
+	/*!
+	* \brief Access the internal pointer
+	* \return internal memory pointer
+	*/
+	inline void* StackAllocation::GetPtr()
+	{
+		return m_ptr;
+	}
+
+	/*!
+	* \brief Access the internal pointer
+	* \return internal memory pointer
+	*/
+	inline StackAllocation::operator void*()
+	{
+		return m_ptr;
+	}
 }
 
 #include <Nazara/Core/DebugOff.hpp>