public void PushCSObject(object o)
{
if (o == null)
{
LuaLib.lua_pushnil(L);
return;
}
int refId;
if (!_objectUserdataRefIds.TryGetValue(o, out refId))
{
LuaBindMetatable metatable = Bindings.GetMetatable(o.GetType(), LuaBindMetatableType.Instance);
int objectUserdataValue = _newObjectUserdataValue++;
LuaLib.wutlua_newuserdata(L, objectUserdataValue); // |ud
metatable.Push(); // |ud|mt
LuaLib.lua_setmetatable(L, -2); // |ud // ud.metatable = mt
refId = LuaLib.luaL_ref(L, LuaIndices.LUA_REGISTRYINDEX); // |
_objects[objectUserdataValue] = o;
_objectUserdataRefIds[o] = refId;
}
LuaLib.lua_rawgeti(L, LuaIndices.LUA_REGISTRYINDEX, refId); // |ud
}
public LuaTable(LuaState luaState, int index) : base(luaState)
{
if (!LuaLib.lua_isnil(luaState.L, index))
{
LuaLib.lua_pushvalue(luaState.L, index); // |...|t|...|t
_RefId = LuaLib.luaL_ref(luaState.L, LuaIndices.LUA_REGISTRYINDEX); // |...|t|...| // Registry[reference] = t
}
}
public LuaTable(LuaState luaState) : base(luaState)
{
LuaLib.lua_newtable(luaState.L); // |...|t
_RefId = LuaLib.luaL_ref(luaState.L, LuaIndices.LUA_REGISTRYINDEX); // |...| // Registry[reference] = t
}
public LuaFunction(LuaState luaState, int index) : base(luaState)
{
LuaLib.lua_pushvalue(luaState.L, index); // |...|f|...|f
_RefId = LuaLib.luaL_ref(luaState.L, LuaIndices.LUA_REGISTRYINDEX); // |...|f|...| // Registry[reference] = f
}