1 files changed, 62 insertions, 0 deletions
diff --git a/Runtime/Scripting/luax_ref.h b/Runtime/Scripting/luax_ref.h
new file mode 100644
index 0000000..d0001f2
--- /dev/null
+++ b/Runtime/Scripting/luax_ref.h
@@ -0,0 +1,62 @@
+#ifndef __LUAX_REF_H__
+#define __LUAX_REF_H__
+
+#include "luax_config.h"
+#include "luax_state.h"
+
+namespace Luax
+{
+
+	///
+	/// 引用，存在LUA_REGISTRYINDEX下面的两个表里
+	///
+	class LuaxRef
+	{
+	public:
+
+		enum RefMode
+		{
+			STRONG_REF, 
+			WEAK_REF
+		};
+		
+		LuaxRef(int mode = STRONG_REF);
+		virtual ~LuaxRef();
+
+		operator bool();
+
+		void SetRef(LuaxState& state, int idx);
+		bool PushRef(LuaxState& state);
+
+		int GetRefID();
+
+	private:
+
+		int mRefID; // luaL_ref
+		int mMode;  // strong or weak 
+
+	};
+
+	///
+	/// 强引用，在LUA_REGISTRYINDEX["_LUAX_STRONGREF_TABLE"]里，保证lua object不会被回收。
+	///
+	class LuaxStrongRef: public LuaxRef
+	{
+	public:
+		LuaxStrongRef();
+
+	};
+
+	///
+	/// 弱引用，在LUA_REGISTRYINDEX["_LUAX_WEAKREF_TABLE"]里，不影响lua object的回收，只是作为一个方便取lua object的映射。
+	///
+	class LuaxWeakRef : public LuaxRef
+	{
+	public:
+		LuaxWeakRef();
+
+	};
+
+}
+
+#endif
+\ No newline at end of file