Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
- Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+ Copyright (C) 2015-2020 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "position.h"
#include "search.h"
#include "thread.h"
-#include "tt.h"
#include "timeman.h"
+#include "tt.h"
#include "uci.h"
#include "syzygy/tbprobe.h"
// Read option name (can contain spaces)
while (is >> token && token != "value")
- name += string(" ", name.empty() ? 0 : 1) + token;
+ name += (name.empty() ? "" : " ") + token;
// Read option value (can contain spaces)
while (is >> token)
- value += string(" ", value.empty() ? 0 : 1) + token;
+ value += (value.empty() ? "" : " ") + token;
if (Options.count(name))
Options[name] = value;
uint64_t num, nodes = 0, cnt = 1;
vector<string> list = setup_bench(pos, args);
- num = count_if(list.begin(), list.end(), [](string s) { return s.find("go ") == 0; });
+ num = count_if(list.begin(), list.end(), [](string s) { return s.find("go ") == 0 || s.find("eval") == 0; });
TimePoint elapsed = now();
istringstream is(cmd);
is >> skipws >> token;
- if (token == "go")
+ if (token == "go" || token == "eval")
{
cerr << "\nPosition: " << cnt++ << '/' << num << endl;
- go(pos, is, states);
- Threads.main()->wait_for_search_finished();
- nodes += Threads.nodes_searched();
+ if (token == "go")
+ {
+ go(pos, is, states);
+ Threads.main()->wait_for_search_finished();
+ nodes += Threads.nodes_searched();
+ }
+ else
+ sync_cout << "\n" << Eval::trace(pos) << sync_endl;
}
else if (token == "setoption") setoption(is);
else if (token == "position") position(pos, is, states);
- else if (token == "ucinewgame") Search::clear();
+ else if (token == "ucinewgame") { Search::clear(); elapsed = now(); } // Search::clear() may take some while
}
elapsed = now() - elapsed + 1; // Ensure positivity to avoid a 'divide by zero'
Position pos;
string token, cmd;
StateListPtr states(new std::deque<StateInfo>(1));
- auto uiThread = std::make_shared<Thread>(0);
- pos.set(StartFEN, false, &states->back(), uiThread.get());
+ pos.set(StartFEN, false, &states->back(), Threads.main());
for (int i = 1; i < argc; ++i)
cmd += std::string(argv[i]) + " ";
token.clear(); // Avoid a stale if getline() returns empty or blank line
is >> skipws >> token;
- // The GUI sends 'ponderhit' to tell us the user has played the expected move.
- // So 'ponderhit' will be sent if we were told to ponder on the same move the
- // user has played. We should continue searching but switch from pondering to
- // normal search. In case Threads.stopOnPonderhit is set we are waiting for
- // 'ponderhit' to stop the search, for instance if max search depth is reached.
if ( token == "quit"
- || token == "stop"
- || (token == "ponderhit" && Threads.stopOnPonderhit))
+ || token == "stop")
Threads.stop = true;
+ // The GUI sends 'ponderhit' to tell us the user has played the expected move.
+ // So 'ponderhit' will be sent if we were told to ponder on the same move the
+ // user has played. We should continue searching but switch from pondering to
+ // normal search.
else if (token == "ponderhit")
- Threads.ponder = false; // Switch to normal search
+ Threads.main()->ponder = false; // Switch to normal search
else if (token == "uci")
sync_cout << "id name " << engine_info(true)
else if (token == "ucinewgame") Search::clear();
else if (token == "isready") sync_cout << "readyok" << sync_endl;
- // Additional custom non-UCI commands, mainly for debugging
- else if (token == "flip") pos.flip();
- else if (token == "bench") bench(pos, is, states);
- else if (token == "d") sync_cout << pos << sync_endl;
- else if (token == "eval") sync_cout << Eval::trace(pos) << sync_endl;
+ // Additional custom non-UCI commands, mainly for debugging.
+ // Do not use these commands during a search!
+ else if (token == "flip") pos.flip();
+ else if (token == "bench") bench(pos, is, states);
+ else if (token == "d") sync_cout << pos << sync_endl;
+ else if (token == "eval") sync_cout << Eval::trace(pos) << sync_endl;
+ else if (token == "compiler") sync_cout << compiler_info() << sync_endl;
else
sync_cout << "Unknown command: " << cmd << sync_endl;