func sandboxCompile(L *lua.State, registryIndex string, name, code string) {
L.PushString(registryIndex)
L.GetTable(lua.LUA_REGISTRYINDEX)
L.PushString(name)
err := L.LoadString(code)
if err != 0 {
log.Fatalf("%s: %s", name, L.ToString(-1))
L.Pop(2)
} else {
L.SetTable(-3)
}
}
