From 0c391fdbce5a079cf03e483eb6174dd47806163d Mon Sep 17 00:00:00 2001 From: chai Date: Wed, 7 Aug 2019 21:08:47 +0800 Subject: *misc --- Source/external/Luax/luax_ref.h | 62 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Source/external/Luax/luax_ref.h (limited to 'Source/external/Luax/luax_ref.h') diff --git a/Source/external/Luax/luax_ref.h b/Source/external/Luax/luax_ref.h new file mode 100644 index 0000000..d0001f2 --- /dev/null +++ b/Source/external/Luax/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 -- cgit v1.1-26-g67d0