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#ifndef __LUA_BIND_UTILITY_H__
#define __LUA_BIND_UTILITY_H__
// 导出native接口
// RegisterClass 注册类的方法和成员，比如枚举、常量等到class table GetNativeClassName 获得工厂的类名，
// 同时用来避免注册时错误注册为了singleton，通过编译时报错避免
// RegisterClass和win32的宏冲突，所以加个下划线
#define LUA_BIND_DECL_CLASS(type, ...) \
friend class LuaBind::State; \
friend class LuaBind::NativeClass<type,##__VA_ARGS__>; \
static void RegisterClass_(LuaBind::State&); \
static void RegisterPostprocess(LuaBind::State&); \
static const char* GetNativeClassName() { return #type; };
//static const char* GetClassName() { return #type; };
#define LUA_BIND_DECL_METHOD(mtd) static int mtd(lua_State* L)
#define LUA_BIND_DECL_ENUM(e, under_line_index)
// 标明方法实现的宏。上下文里有一个L。
#define LUA_BIND_IMPL_METHOD(type, f) int type::f(lua_State* L)
// 由应用程序实现的两个接口。上下文里有一个state。
#define LUA_BIND_REGISTRY(type) void type::RegisterClass_(LuaBind::State& state)
#define LUA_BIND_POSTPROCESS(type) void type::RegisterPostprocess(LuaBind::State& state)
// 用来注册的宏。之前这里忘了用可变宏，导致没有luaclastable ref没有注册对。
#define LUA_BIND_REGISTER_CLASS(state, param) state.RegisterNativeClass<param>()
#define LUA_BIND_REGISTER_ABSTRACT_CLASS(state, type) type::RegisterPostprocess(state)
#define LUA_BIND_REGISTER_METHODS(state, ...) \
do{ \
luaL_Reg __m[] = {__VA_ARGS__,{0, 0}}; \
state.RegisterMethods(__m); \
}while(0)
#define LUA_BIND_REGISTER_ENUM(state, name, ...) \
do{ \
::Enum __e[] = {__VA_ARGS__,{0, 0}}; \
state.RegisterEnum(name, __e); \
}while(0)
#define LUA_BIND_PREPARE(L, T) \
LUA_BIND_STATE(L); \
T* self = state.GetUserdata<T>(1);
#define LUA_BIND_CHECK(L, params)\
if(!state.CheckParams(1, params)) {\
luaL_error(state, "Unexcepted parameters.");\
return 0;\
}
#define luaxport private
#endif
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