X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fuci.cpp;h=c8f504463cef969db7a72c9816d3c23fd6f18b94;hb=19dd0de4ff83e682bafa56d27f302d8f00d3040d;hp=65633c30b0ee041088569924f66a7b21466a54ea;hpb=ce063f59cd0fea215309c719ee56cbf486a5ea80;p=stockfish
diff --git a/src/uci.cpp b/src/uci.cpp
index 65633c30..c8f50446 100644
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -1,7 +1,7 @@
/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, 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
@@ -17,6 +17,7 @@
along with this program. If not, see .
*/
+#include
#include
#include
#include
@@ -44,7 +45,7 @@ namespace {
void set_option(istringstream& up);
void set_position(Position& pos, istringstream& up);
- void go(Position& pos, istringstream& up);
+ void go(const Position& pos, istringstream& up);
}
@@ -56,41 +57,32 @@ namespace {
void UCI::loop(const string& args) {
Position pos(StartFEN, false, Threads.main_thread()); // The root position
- string cmd, token;
+ string token, cmd = args;
- while (token != "quit")
- {
- if (!args.empty())
- cmd = args;
-
- else if (!getline(cin, cmd)) // Block here waiting for input
+ do {
+ if (args.empty() && !getline(cin, cmd)) // Block here waiting for input
cmd = "quit";
istringstream is(cmd);
is >> skipws >> token;
- if (token == "quit" || token == "stop")
- {
- Search::Signals.stop = true;
- Threads.wait_for_search_finished(); // Cannot quit while threads are running
- }
-
- else if (token == "ponderhit")
+ if (token == "quit" || token == "stop" || token == "ponderhit")
{
- // The opponent has played the expected move. GUI sends "ponderhit" if
- // we were told to ponder on the same move the opponent has played. We
- // should continue searching but switching from pondering to normal search.
- Search::Limits.ponder = false;
-
- if (Search::Signals.stopOnPonderhit)
+ // 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
+ // switching from pondering to normal search.
+ if (token != "ponderhit" || Search::Signals.stopOnPonderhit)
{
Search::Signals.stop = true;
- Threads.main_thread()->wake_up(); // Could be sleeping
+ Threads.main_thread()->notify_one(); // Could be sleeping
}
+ else
+ Search::Limits.ponder = false;
}
-
- else if (token == "perft" && (is >> token)) // Read requested depth
+ else if (token == "perft" && (is >> token)) // Read perft depth
{
stringstream ss;
@@ -99,15 +91,17 @@ void UCI::loop(const string& args) {
benchmark(pos, ss);
}
-
- else if (token == "key") sync_cout << "position key: " << hex << pos.key()
- << "\nmaterial key: " << pos.material_key()
- << "\npawn key: " << pos.pawn_key()
- << sync_endl;
-
- else if (token == "uci") sync_cout << "id name " << engine_info(true)
- << "\n" << Options
- << "\nuciok" << sync_endl;
+ 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 << 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);
@@ -121,12 +115,9 @@ void UCI::loop(const string& args) {
else
sync_cout << "Unknown command: " << cmd << sync_endl;
- if (!args.empty()) // Command line arguments have one-shot behaviour
- {
- Threads.wait_for_search_finished();
- break;
- }
- }
+ } while (token != "quit" && args.empty()); // Args have one-shot behaviour
+
+ Threads.wait_for_think_finished(); // Cannot quit while search is running
}
@@ -192,10 +183,10 @@ namespace {
// go() is called when engine receives the "go" UCI command. The function sets
- // the thinking time and other parameters from the input string, and then starts
+ // the thinking time and other parameters from the input string, and starts
// the search.
- void go(Position& pos, istringstream& is) {
+ void go(const Position& pos, istringstream& is) {
Search::LimitsType limits;
vector searchMoves;
@@ -220,6 +211,6 @@ namespace {
else if (token == "ponder") limits.ponder = true;
}
- Threads.start_searching(pos, limits, searchMoves, SetupStates);
+ Threads.start_thinking(pos, limits, searchMoves, SetupStates);
}
}