unsigned int* clua_checkgosomething(lua_State* L, int index, const char *desired_metatable)
{
if (desired_metatable != NULL)
{
return testudata(L, index, desired_metatable);
}
else
{
unsigned int *sid = testudata(L, index, MT_GOFUNCTION);
if (sid != NULL) return sid;
return testudata(L, index, MT_GOINTERFACE);
}
}
int clua_isgofunction(lua_State *L, int n)
{
return testudata(L, n, MT_GOFUNCTION) != NULL;
}
int clua_isgostruct(lua_State *L, int n)
{
return testudata(L, n, MT_GOINTERFACE) != NULL;
}
bool is_exception(lua_State * L, int i) {
return testudata(L, i, exception_mt);
}
