- if (uip.good())
- {
- if (token != "moves")
- uip >> token;
-
- if (token == "moves")
- {
- Move move;
- StateInfo st;
- while (uip >> token)
- {
- move = move_from_string(RootPosition, token);
- RootPosition.do_move(move, st);
- if (RootPosition.rule_50_counter() == 0)
- RootPosition.reset_game_ply();
- }
- // Our StateInfo st is about going out of scope so copy
- // its content inside RootPosition before they disappear.
- RootPosition.detach();
- }
- }
- }
+ do {
+ if (argc == 1 && !getline(cin, cmd)) // Block here waiting for input
+ cmd = "quit";
+
+ istringstream is(cmd);
+
+ is >> skipws >> token;
+
+ if (token == "quit" || token == "stop" || token == "ponderhit")
+ {
+ // The GUI sends 'ponderhit' to tell us to ponder on the same move the
+ // opponent has played. In case Signals.stopOnPonderhit is set we are
+ // waiting for 'ponderhit' to stop the search (for instance because we
+ // already ran out of time), otherwise we should continue searching but
+ // switch from pondering to normal search.
+ if (token != "ponderhit" || Search::Signals.stopOnPonderhit)
+ {
+ Search::Signals.stop = true;
+ Threads.main()->notify_one(); // Could be sleeping
+ }
+ else
+ Search::Limits.ponder = false;
+ }
+ else if (token == "perft")
+ {
+ int depth;
+ stringstream ss;
+
+ is >> depth;
+ ss << Options["Hash"] << " "
+ << Options["Threads"] << " " << depth << " current " << token;
+
+ benchmark(pos, ss);
+ }
+ else if (token == "key")
+ sync_cout << hex << uppercase << setfill('0')
+ << "position key: " << setw(16) << pos.key()
+ << "\nmaterial key: " << setw(16) << pos.material_key()
+ << "\npawn key: " << setw(16) << pos.pawn_key()
+ << dec << nouppercase << setfill(' ') << sync_endl;
+
+ else if (token == "uci")
+ sync_cout << "id name " << engine_info(true)
+ << "\n" << Options
+ << "\nuciok" << sync_endl;
+
+ else if (token == "ucinewgame") TT.clear();
+ else if (token == "go") go(pos, is);
+ else if (token == "position") position(pos, is);
+ else if (token == "setoption") setoption(is);
+ else if (token == "flip") pos.flip();
+ else if (token == "bench") benchmark(pos, is);
+ else if (token == "d") sync_cout << pos << sync_endl;
+ else if (token == "isready") sync_cout << "readyok" << sync_endl;
+ else if (token == "eval") sync_cout << Eval::trace(pos) << sync_endl;
+ else
+ sync_cout << "Unknown command: " << cmd << sync_endl;
+
+ } while (token != "quit" && argc == 1); // Passed args have one-shot behaviour
+
+ Threads.wait_for_think_finished(); // Cannot quit whilst the search is running
+}