Add LuaLoader::Find() helper to find the state’s loader.

src/lolua/baselua.cpp

@@ -133,6 +133,15 @@ void Loader::Release(LuaState* l, Lolua::Loader* loader)
     }
 }
 
+Lolua::Loader *LuaLoader::Find(LuaState* l)
+{
+    for (int i = 0; i < g_loaders.count(); ++i)
+        if (g_loaders[i].m1 == l)
+            return g_loaders[i].m2;
+
+    return nullptr;
+}
+
 //Store lua object --------------------------------------------------------
 void Loader::StoreObject(LuaState* l, Object* obj)
 {

src/lolua/baselua.h

@@ -995,6 +995,7 @@ public:
 protected:
     LuaState* GetLuaState();
     static void Store(LuaState* l, Loader* loader);
+    static Loader *Find(LuaState* l);
     static void Release(LuaState* l, Loader* loader);
     static void StoreObject(LuaState* l, Object* obj);
     //Virtual Store lua object ------------------------------------------------