Function ExtractFlagsFromRegisterFunction

src/storage/scripting.cc:1689–1710

}

[[nodiscard]] StatusOr<ScriptFlags> ExtractFlagsFromRegisterFunction(lua_State *lua) {
  if (!lua_istable(lua, -1)) {
    return {Status::NotOK, "Expects a valid flags argument to register_function, e.g. flags={ 'no-writes' }"};
  }
  auto flag_count = static_cast<int>(lua_objlen(lua, -1));
  std::vector<std::string> flags_content;
  flags_content.reserve(flag_count);
  for (int i = 1; i <= flag_count; ++i) {
    lua_pushnumber(lua, i);
    lua_gettable(lua, -2);
    if (!lua_isstring(lua, -1)) {
      return {Status::NotOK, "Expects a valid flags argument to register_function, e.g. flags={ 'no-writes' }"};
    }
    flags_content.emplace_back(lua_tostring(lua, -1));
    // pop up the current flag
    lua_pop(lua, 1);
  }
  // pop up the corresponding table of the flags parameter
  lua_pop(lua, 1);

  return GetFlagsFromStrings(flags_content);
}

void RemoveFromRegistry(lua_State *lua, const char *name) {
  lua_pushstring(lua, name);