2011-11-12 20:44:06 +01:00
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/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
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2014-05-31 14:23:03 +02:00
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Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
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2011-11-12 20:44:06 +01:00
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Stockfish is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Stockfish is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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2012-01-01 01:52:19 +01:00
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#include <algorithm>
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#include <cassert>
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#include <cstdlib>
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2011-11-12 20:44:06 +01:00
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#include <sstream>
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2012-06-04 18:25:51 +02:00
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#include "evaluate.h"
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2011-11-12 20:44:06 +01:00
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#include "misc.h"
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#include "thread.h"
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#include "tt.h"
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2011-11-12 20:44:06 +01:00
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#include "ucioption.h"
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using std::string;
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2012-09-16 17:16:15 +02:00
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UCI::OptionsMap Options; // Global object
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2011-11-12 20:44:06 +01:00
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2012-09-16 17:16:15 +02:00
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namespace UCI {
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/// 'On change' actions, triggered by an option's value change
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void on_logger(const Option& o) { start_logger(o); }
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void on_eval(const Option&) { Eval::init(); }
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void on_threads(const Option&) { Threads.read_uci_options(); }
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void on_hash_size(const Option& o) { TT.resize(o); }
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void on_clear_hash(const Option&) { TT.clear(); }
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2011-11-12 20:44:06 +01:00
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/// Our case insensitive less() function as required by UCI protocol
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bool ci_less(char c1, char c2) { return tolower(c1) < tolower(c2); }
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bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
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return std::lexicographical_compare(s1.begin(), s1.end(), s2.begin(), s2.end(), ci_less);
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}
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/// init() initializes the UCI options to their hard-coded default values
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void init(OptionsMap& o) {
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o["Write Debug Log"] << Option(false, on_logger);
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o["Write Search Log"] << Option(false);
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o["Search Log Filename"] << Option("SearchLog.txt");
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o["Book File"] << Option("book.bin");
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o["Best Book Move"] << Option(false);
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o["Contempt Factor"] << Option(0, -50, 50);
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o["Mobility (Midgame)"] << Option(100, 0, 200, on_eval);
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o["Mobility (Endgame)"] << Option(100, 0, 200, on_eval);
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o["Pawn Structure (Midgame)"] << Option(100, 0, 200, on_eval);
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o["Pawn Structure (Endgame)"] << Option(100, 0, 200, on_eval);
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o["Passed Pawns (Midgame)"] << Option(100, 0, 200, on_eval);
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o["Passed Pawns (Endgame)"] << Option(100, 0, 200, on_eval);
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o["Space"] << Option(100, 0, 200, on_eval);
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o["Aggressiveness"] << Option(100, 0, 200, on_eval);
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o["Cowardice"] << Option(100, 0, 200, on_eval);
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o["Min Split Depth"] << Option(0, 0, 12, on_threads);
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o["Threads"] << Option(1, 1, MAX_THREADS, on_threads);
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o["Hash"] << Option(32, 1, 16384, on_hash_size);
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o["Clear Hash"] << Option(on_clear_hash);
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o["Ponder"] << Option(true);
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o["OwnBook"] << Option(false);
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o["MultiPV"] << Option(1, 1, 500);
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o["Skill Level"] << Option(20, 0, 20);
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o["Emergency Move Horizon"] << Option(40, 0, 50);
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o["Emergency Base Time"] << Option(60, 0, 30000);
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o["Emergency Move Time"] << Option(30, 0, 5000);
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o["Minimum Thinking Time"] << Option(20, 0, 5000);
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o["Slow Mover"] << Option(80, 10, 1000);
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o["UCI_Chess960"] << Option(false);
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}
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2012-09-16 17:16:15 +02:00
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/// operator<<() is used to print all the options default values in chronological
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/// insertion order (the idx field) and in the format defined by the UCI protocol.
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2012-01-01 01:52:19 +01:00
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std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
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2013-11-30 20:12:34 +01:00
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for (size_t idx = 0; idx < om.size(); ++idx)
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for (OptionsMap::const_iterator it = om.begin(); it != om.end(); ++it)
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if (it->second.idx == idx)
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{
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const Option& o = it->second;
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os << "\noption name " << it->first << " type " << o.type;
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if (o.type != "button")
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os << " default " << o.defaultValue;
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if (o.type == "spin")
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os << " min " << o.min << " max " << o.max;
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break;
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}
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return os;
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}
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/// Option class constructors and conversion operators
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Option::Option(const char* v, OnChange f) : type("string"), min(0), max(0), on_change(f)
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{ defaultValue = currentValue = v; }
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Option::Option(bool v, OnChange f) : type("check"), min(0), max(0), on_change(f)
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{ defaultValue = currentValue = (v ? "true" : "false"); }
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Option::Option(OnChange f) : type("button"), min(0), max(0), on_change(f)
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{}
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Option::Option(int v, int minv, int maxv, OnChange f) : type("spin"), min(minv), max(maxv), on_change(f)
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{ std::ostringstream ss; ss << v; defaultValue = currentValue = ss.str(); }
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Option::operator int() const {
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assert(type == "check" || type == "spin");
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return (type == "spin" ? atoi(currentValue.c_str()) : currentValue == "true");
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}
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Option::operator std::string() const {
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assert(type == "string");
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return currentValue;
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}
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/// operator<<() inits options and assigns idx in the correct printing order
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void Option::operator<<(const Option& o) {
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static size_t insert_order = 0;
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*this = o;
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idx = insert_order++;
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}
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/// operator=() updates currentValue and triggers on_change() action. It's up to
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/// the GUI to check for option's limits, but we could receive the new value from
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/// the user by console window, so let's check the bounds anyway.
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Option& Option::operator=(const string& v) {
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assert(!type.empty());
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if ( (type != "button" && v.empty())
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|| (type == "check" && v != "true" && v != "false")
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|| (type == "spin" && (atoi(v.c_str()) < min || atoi(v.c_str()) > max)))
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return *this;
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if (type != "button")
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currentValue = v;
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if (on_change)
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on_change(*this);
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return *this;
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}
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} // namespace UCI
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