55                                          state_);  in Initialize()
56            lua_setglobal(state_, "actions");  in Initialize()
60                                               &conversation_.messages, state_);  in Initialize()
61            lua_setglobal(state_, "messages");  in Initialize()
67   if (lua_type(state_, /*idx=*/-1) != LUA_TTABLE) {  in ReadActionsRanking()
69                    << lua_type(state_, /*idx=*/-1);  in ReadActionsRanking()
70     lua_pop(state_, 1);  in ReadActionsRanking()
71     lua_error(state_);  in ReadActionsRanking()
75   lua_pushnil(state_);  in ReadActionsRanking()
76   while (lua_next(state_, /*idx=*/-2)) {  in ReadActionsRanking()
78         static_cast<int>(lua_tointeger(state_, /*idx=*/-1)) - 1;  in ReadActionsRanking()
79     lua_pop(state_, 1);  in ReadActionsRanking()
82       lua_error(state_);  in ReadActionsRanking()
87   lua_pop(state_, 1);  in ReadActionsRanking()
98   if (luaL_loadbuffer(state_, ranker_code_.data(), ranker_code_.size(),  in RankActions()
104   if (lua_pcall(state_, /*nargs=*/0, /*nresults=*/1, /*errfunc=*/0) != LUA_OK) {  in RankActions()