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Optimize Lua binding

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Optimize binding by removing a useless extra indirection and allowing to
move replying variables


Former-commit-id: 76728df1c3ab9a38a4304ae2b9f2fc6a000e0ebb
This commit is contained in:
Lynix
2016-04-24 19:54:46 +02:00
parent 6d66063b2c
commit 24a8fcee01
11 changed files with 190 additions and 107 deletions
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35
include/Nazara/Lua/LuaInstance.inl
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@@ -156,21 +156,21 @@ namespace Nz
return LuaImplReplyVal(instance, val, TypeTag<T>());
}
inline int LuaImplReplyVal(const LuaInstance& instance, std::string val, TypeTag<std::string>)
inline int LuaImplReplyVal(const LuaInstance& instance, std::string&& val, TypeTag<std::string>)
{
instance.PushString(val.c_str(), val.size());
return 1;
}
template<typename T>
inline int LuaImplReplyVal(const LuaInstance& instance, std::vector<T> valContainer, TypeTag<std::vector<T>>)
inline int LuaImplReplyVal(const LuaInstance& instance, std::vector<T>&& valContainer, TypeTag<std::vector<T>>)
{
std::size_t index = 1;
instance.PushTable(valContainer.size());
for (const T& val : valContainer)
for (T& val : valContainer)
{
instance.PushInteger(index++);
if (LuaImplReplyVal(instance, val, TypeTag<T>()) != 1)
if (LuaImplReplyVal(instance, std::move(val), TypeTag<T>()) != 1)
{
instance.Error("Couldn't create table: type need more than one place to store");
return 0;
@@ -181,20 +181,20 @@ namespace Nz
return 1;
}
inline int LuaImplReplyVal(const LuaInstance& instance, ByteArray val, TypeTag<ByteArray>)
inline int LuaImplReplyVal(const LuaInstance& instance, ByteArray&& val, TypeTag<ByteArray>)
{
instance.PushString(reinterpret_cast<const char*>(val.GetConstBuffer()), val.GetSize());
return 1;
}
inline int LuaImplReplyVal(const LuaInstance& instance, String val, TypeTag<String>)
inline int LuaImplReplyVal(const LuaInstance& instance, String&& val, TypeTag<String>)
{
instance.PushString(std::move(val));
return 1;
}
template<typename T1, typename T2>
int LuaImplReplyVal(const LuaInstance& instance, std::pair<T1, T2> val, TypeTag<std::pair<T1, T2>>)
int LuaImplReplyVal(const LuaInstance& instance, std::pair<T1, T2>&& val, TypeTag<std::pair<T1, T2>>)
{
int retVal = 0;
@@ -593,17 +593,30 @@ namespace Nz
}
template<typename T>
void LuaInstance::PushInstance(const char* tname, T* instance) const
void LuaInstance::PushInstance(const char* tname, const T& instance) const
{
T** userdata = static_cast<T**>(PushUserdata(sizeof(T*)));
*userdata = instance;
T* userdata = static_cast<T*>(PushUserdata(sizeof(T*)));
PlacementNew(userdata, instance);
SetMetatable(tname);
}
template<typename T>
void LuaInstance::PushInstance(const char* tname, T&& instance) const
{
T* userdata = static_cast<T*>(PushUserdata(sizeof(T*)));
PlacementNew(userdata, std::move(instance));
SetMetatable(tname);
}
template<typename T, typename... Args>
void LuaInstance::PushInstance(const char* tname, Args&&... args) const
{
PushInstance(tname, new T(std::forward<Args>(args)...));
T* userdata = static_cast<T*>(PushUserdata(sizeof(T*)));
PlacementNew(userdata, std::forward<Args>(args)...);
SetMetatable(tname);
}
template<typename T>