Added memory helpers

This will protect some memory-related code from new redefinition


Former-commit-id: 337e69e70acd0bf8dbc3ba1657c6bb0bddfd5df4

include/Nazara/Core/MemoryHelper.hpp

@@ -0,0 +1,20 @@
+// Copyright (C) 2014 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Core module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_MEMORYHELPER_HPP
+#define NAZARA_MEMORYHELPER_HPP
+
+#include <cstddef>
+
+void NzOperatorDelete(void* ptr);
+void* NzOperatorNew(std::size_t size);
+
+template<typename T, typename... Args>
+T* NzPlacementNew(void* ptr, Args... args);
+
+#include <Nazara/Core/MemoryHelper.inl>
+
+#endif // NAZARA_MEMORYHELPER_HPP

include/Nazara/Core/MemoryHelper.inl

@@ -0,0 +1,45 @@
+// Copyright (C) 2014 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Core module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+// Je ne suis pas fier des cinq lignes qui suivent mais difficile de faire autrement pour le moment...
+#ifdef NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
+	#define NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION_DEFINED
+#else
+	#define NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
+#endif
+
+#include <Nazara/Core/MemoryManager.hpp>
+#include <new>
+#include <Nazara/Core/Debug.hpp>
+
+inline void NzOperatorDelete(void* ptr)
+{
+	#if NAZARA_CORE_MANAGE_MEMORY
+	NzMemoryManager::Free(ptr);
+	#else
+	operator delete(ptr);
+	#endif
+}
+
+inline void* NzOperatorNew(std::size_t size)
+{
+	#if NAZARA_CORE_MANAGE_MEMORY
+	return NzMemoryManager::Allocate(size);
+	#else
+	return operator new(size);
+	#endif
+}
+
+template<typename T, typename... Args>
+T* NzPlacementNew(void* ptr, Args... args)
+{
+	return new (ptr) T(args...);
+}
+
+#include <Nazara/Core/DebugOff.hpp>
+
+// Si c'est nous qui avons défini la constante, alors il nous faut l'enlever (Pour éviter que le moteur entier n'en souffre)
+#ifndef NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION_DEFINED
+	#undef NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
+#endif

include/Nazara/Core/MemoryPool.inl

@@ -2,14 +2,7 @@
 // This file is part of the "Nazara Engine - Core module"
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
-// Je ne suis pas fier des cinq lignes qui suivent mais difficile de faire autrement pour le moment...
-#ifdef NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
-	#define NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION_DEFINED
-#else
-	#define NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
-#endif
-
-#include <new>
+#include <Nazara/Core/MemoryHelper.hpp>
 #include <Nazara/Core/Debug.hpp>
 
 template<unsigned int blockSize, bool canGrow>
@@ -58,7 +51,7 @@ void* NzMemoryPool<blockSize, canGrow>::Allocate(unsigned int size)
 		}
 	}
 
-	return operator new(size);
+	return NzOperatorNew(size);
 }
 
 template<unsigned int blockSize, bool canGrow>
@@ -93,7 +86,7 @@ void NzMemoryPool<blockSize, canGrow>::Free(void* ptr)
 			if (m_next)
 				m_next->Free(ptr);
 			else
-				operator delete(ptr);
+				NzOperatorDelete(ptr);
 		}
 	}
 }
@@ -111,8 +104,3 @@ unsigned int NzMemoryPool<blockSize, canGrow>::GetSize() const
 }
 
 #include <Nazara/Core/DebugOff.hpp>
-
-// Si c'est nous qui avons défini la constante, alors il nous faut l'enlever (Pour éviter que le moteur entier n'en souffre)
-#ifndef NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION_DEFINED
-	#undef NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
-#endif

include/Nazara/Lua/LuaClass.inl

@@ -4,6 +4,7 @@
 
 #include <Nazara/Core/Error.hpp>
 #include <iostream>
+#include <Nazara/Core/MemoryHelper.hpp>
 #include <Nazara/Lua/Debug.hpp>
 
 template<class T>
@@ -31,7 +32,7 @@ void NzLuaClass<T>::Register(NzLuaInstance& lua)
 	// Ainsi c'est Lua qui va s'occuper de la destruction pour nous :-)
 	// De même, l'utilisation d'un shared_ptr permet de garder la structure en vie même si l'instance est libérée avant le LuaClass
 	void* info = lua.PushUserdata(sizeof(std::shared_ptr<ClassInfo>));
-	new (info) std::shared_ptr<ClassInfo>(m_info);
+	NzPlacementNew<std::shared_ptr<ClassInfo>>(info, m_info);
 
 	// On créé la table qui contiendra une méthode (Le finalizer) pour libérer le ClassInfo
 	lua.PushTable(0, 1);

src/Nazara/Core/Debug/NewRedefinition.cpp

@@ -5,12 +5,12 @@
 #include <Nazara/Core/Config.hpp>
 #if NAZARA_CORE_MANAGE_MEMORY
 
-#define NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
-
-#include <Nazara/Core/Debug/NewRedefinition.hpp>
 #include <Nazara/Core/MemoryManager.hpp>
 #include <new> // Nécessaire ?
 
+#define NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
+#include <Nazara/Core/Debug/NewRedefinition.hpp>
+
 void* operator new(std::size_t size, const char* file, unsigned int line)
 {
 	return NzMemoryManager::Allocate(size, false, file, line);

src/Nazara/Core/ParameterList.cpp

@@ -2,11 +2,9 @@
 // This file is part of the "Nazara Engine - Core module"
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
-// Notre utilisation du placement new n'est pas (encore ?) compatible avec les définitions du MLT
-#define NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
-
 #include <Nazara/Core/ParameterList.hpp>
 #include <Nazara/Core/Error.hpp>
+#include <Nazara/Core/MemoryHelper.hpp>
 #include <cstring>
 #include <limits>
 #include <new>
@@ -309,7 +307,7 @@ void NzParameterList::SetParameter(const NzString& name, const NzString& value)
 
 	parameter.type = nzParameterType_String;
 
-	new (&parameter.value.stringVal) NzString(value);
+	NzPlacementNew<NzString>(&parameter.value.stringVal, value);
 }
 
 void NzParameterList::SetParameter(const NzString& name, const char* value)
@@ -322,7 +320,7 @@ void NzParameterList::SetParameter(const NzString& name, const char* value)
 
 	parameter.type = nzParameterType_String;
 
-	new (&parameter.value.stringVal) NzString(value);
+	NzPlacementNew<NzString>(&parameter.value.stringVal, value);
 }
 
 void NzParameterList::SetParameter(const NzString& name, void* value)
@@ -405,7 +403,7 @@ NzParameterList& NzParameterList::operator=(const NzParameterList& list)
 			case nzParameterType_String:
 				parameter.type = nzParameterType_String;
 
-				new (&parameter.value.stringVal) NzString(it->second.value.stringVal);
+				NzPlacementNew<NzString>(&parameter.value.stringVal, it->second.value.stringVal);
 				break;
 
 			case nzParameterType_Userdata:

src/Nazara/Lua/LuaInstance.cpp

@@ -2,8 +2,6 @@
 // This file is part of the "Nazara Engine - Lua scripting module"
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
-#define NAZARA_DEBUG_NEWREDEFINITION_DISABLE_REDEFINITION
-
 #include <Nazara/Lua/LuaInstance.hpp>
 #include <Lua/lauxlib.h>
 #include <Lua/lua.h>
@@ -11,6 +9,7 @@
 #include <Nazara/Core/Clock.hpp>
 #include <Nazara/Core/Error.hpp>
 #include <Nazara/Core/File.hpp>
+#include <Nazara/Core/MemoryHelper.hpp>
 #include <Nazara/Core/MemoryStream.hpp>
 #include <Nazara/Core/StringStream.hpp>
 #include <cstdlib>
@@ -621,7 +620,7 @@ void NzLuaInstance::PushCFunction(NzLuaCFunction func, int upvalueCount)
 void NzLuaInstance::PushFunction(NzLuaFunction func)
 {
 	NzLuaFunction* luaFunc = reinterpret_cast<NzLuaFunction*>(lua_newuserdata(m_state, sizeof(NzLuaFunction)));
-	new (luaFunc) NzLuaFunction(std::move(func));
+	NzPlacementNew<NzLuaFunction>(luaFunc, std::move(func));
 
 	lua_pushcclosure(m_state, ProxyFunc, 1);
 }