/*
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) 2004-2023 The Stockfish developers (see AUTHORS file)
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 <algorithm>
+#include <cassert>
+#include <cctype>
+#include <cstddef>
+#include <iosfwd>
+#include <istream>
+#include <map>
+#include <ostream>
#include <sstream>
+#include <string>
#include "evaluate.h"
#include "misc.h"
+#include "search.h"
+#include "syzygy/tbprobe.h"
#include "thread.h"
#include "tt.h"
-#include "ucioption.h"
+#include "types.h"
+#include "uci.h"
+#include "hashprobe.h"
using std::string;
-OptionsMap Options; // Global object
+namespace Stockfish {
+
+UCI::OptionsMap Options; // Global object
+std::unique_ptr<HashProbeThread> hash_probe_thread;
+
+namespace UCI {
+
+// 'On change' actions, triggered by an option's value change
+static void on_clear_hash(const Option&) { Search::clear(); }
+static void on_hash_size(const Option& o) { TT.resize(size_t(o)); }
+static void on_logger(const Option& o) { start_logger(o); }
+static void on_threads(const Option& o) { Threads.set(size_t(o)); }
+static void on_tb_path(const Option& o) { Tablebases::init(o); }
+static void on_use_NNUE(const Option& ) { Eval::NNUE::init(); }
+static void on_eval_file(const Option& ) { Eval::NNUE::init(); }
+static void on_rpc_server_address(const Option& o) {
+ if (hash_probe_thread) {
+ hash_probe_thread->Shutdown();
+ }
+ std::string addr = o;
+ hash_probe_thread.reset(new HashProbeThread(addr));
+}
-namespace {
+// Our case insensitive less() function as required by UCI protocol
+bool CaseInsensitiveLess::operator()(const string& s1, const string& s2) const {
-/// 'On change' actions, triggered by an option's value change
-void on_logger(const UCIOption& opt) { start_logger(opt); }
-void on_eval(const UCIOption&) { Eval::init(); }
-void on_threads(const UCIOption&) { Threads.read_uci_options(); }
-void on_hash_size(const UCIOption& opt) { TT.set_size(opt); }
-void on_clear_hash(const UCIOption&) { TT.clear(); }
+ return std::lexicographical_compare(s1.begin(), s1.end(), s2.begin(), s2.end(),
+ [](char c1, char c2) { return tolower(c1) < tolower(c2); });
+}
-/// Our case insensitive less() function as required by UCI protocol
-bool ci_less(char c1, char c2) { return tolower(c1) < tolower(c2); }
+// Initializes the UCI options to their hard-coded default values
+void init(OptionsMap& o) {
+
+ constexpr int MaxHashMB = Is64Bit ? 33554432 : 2048;
+
+ o["Debug Log File"] << Option("", on_logger);
+ o["Threads"] << Option(1, 1, 1024, on_threads);
+ o["Hash"] << Option(16, 1, MaxHashMB, on_hash_size);
+ o["Clear Hash"] << Option(on_clear_hash);
+ o["Ponder"] << Option(false);
+ o["MultiPV"] << Option(1, 1, 500);
+ o["Skill Level"] << Option(20, 0, 20);
+ o["Move Overhead"] << Option(10, 0, 5000);
+ o["nodestime"] << Option(0, 0, 10000);
+ o["UCI_Chess960"] << Option(false);
+ o["UCI_LimitStrength"] << Option(false);
+ o["UCI_Elo"] << Option(1320, 1320, 3190);
+ o["UCI_ShowWDL"] << Option(false);
+ o["SyzygyPath"] << Option("<empty>", on_tb_path);
+ o["SyzygyProbeDepth"] << Option(1, 1, 100);
+ o["Syzygy50MoveRule"] << Option(true);
+ o["SyzygyProbeLimit"] << Option(7, 0, 7);
+ o["EvalFile"] << Option(EvalFileDefaultName, on_eval_file);
+ o["RPCServerAddress"] << Option("<empty>", on_rpc_server_address);
}
-bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
- return lexicographical_compare(s1.begin(), s1.end(), s2.begin(), s2.end(), ci_less);
-}
+// Used to print all the options default values in chronological
+// insertion order (the idx field) and in the format defined by the UCI protocol.
+std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
+
+ for (size_t idx = 0; idx < om.size(); ++idx)
+ for (const auto& it : om)
+ if (it.second.idx == idx)
+ {
+ const Option& o = it.second;
+ os << "\noption name " << it.first << " type " << o.type;
+
+ if (o.type == "string" || o.type == "check" || o.type == "combo")
+ os << " default " << o.defaultValue;
-/// OptionsMap c'tor initializes the UCI options to their hard coded default
-/// values and initializes the default value of "Threads" and "Min Split Depth"
-/// parameters according to the number of CPU cores detected.
-
-OptionsMap::OptionsMap() {
-
- int cpus = std::min(cpu_count(), MAX_THREADS);
- int msd = cpus < 8 ? 4 : 7;
- OptionsMap& o = *this;
-
- o["Use Debug Log"] = UCIOption(false, on_logger);
- o["Use Search Log"] = UCIOption(false);
- o["Search Log Filename"] = UCIOption("SearchLog.txt");
- o["Book File"] = UCIOption("book.bin");
- o["Best Book Move"] = UCIOption(false);
- o["Mobility (Middle Game)"] = UCIOption(100, 0, 200, on_eval);
- o["Mobility (Endgame)"] = UCIOption(100, 0, 200, on_eval);
- o["Passed Pawns (Middle Game)"] = UCIOption(100, 0, 200, on_eval);
- o["Passed Pawns (Endgame)"] = UCIOption(100, 0, 200, on_eval);
- o["Space"] = UCIOption(100, 0, 200, on_eval);
- o["Aggressiveness"] = UCIOption(100, 0, 200, on_eval);
- o["Cowardice"] = UCIOption(100, 0, 200, on_eval);
- o["Min Split Depth"] = UCIOption(msd, 4, 7, on_threads);
- o["Max Threads per Split Point"] = UCIOption(5, 4, 8, on_threads);
- o["Threads"] = UCIOption(cpus, 1, MAX_THREADS, on_threads);
- o["Use Sleeping Threads"] = UCIOption(true, on_threads);
- o["Hash"] = UCIOption(32, 4, 8192, on_hash_size);
- o["Clear Hash"] = UCIOption(on_clear_hash);
- o["Ponder"] = UCIOption(true);
- o["OwnBook"] = UCIOption(false);
- o["MultiPV"] = UCIOption(1, 1, 500);
- o["Skill Level"] = UCIOption(20, 0, 20);
- o["Emergency Move Horizon"] = UCIOption(40, 0, 50);
- o["Emergency Base Time"] = UCIOption(200, 0, 30000);
- o["Emergency Move Time"] = UCIOption(70, 0, 5000);
- o["Minimum Thinking Time"] = UCIOption(20, 0, 5000);
- o["Slow Mover"] = UCIOption(100, 10, 1000);
- o["UCI_Chess960"] = UCIOption(false);
- o["UCI_AnalyseMode"] = UCIOption(false, on_eval);
+ if (o.type == "spin")
+ os << " default " << int(stof(o.defaultValue)) << " min " << o.min << " max "
+ << o.max;
+
+ break;
+ }
+
+ return os;
}
-/// operator<<() is used to output all the UCI options in chronological insertion
-/// order (the idx field) and in the format defined by the UCI protocol.
+// Option class constructors and conversion operators
-std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
+Option::Option(const char* v, OnChange f) :
+ type("string"),
+ min(0),
+ max(0),
+ on_change(f) {
+ defaultValue = currentValue = v;
+}
- for (size_t idx = 0; idx < om.size(); idx++)
- for (OptionsMap::const_iterator it = om.begin(); it != om.end(); ++it)
- if (it->second.idx == idx)
- {
- const UCIOption& o = it->second;
- os << "\noption name " << it->first << " type " << o.type;
+Option::Option(bool v, OnChange f) :
+ type("check"),
+ min(0),
+ max(0),
+ on_change(f) {
+ defaultValue = currentValue = (v ? "true" : "false");
+}
- if (o.type != "button")
- os << " default " << o.defaultValue;
+Option::Option(OnChange f) :
+ type("button"),
+ min(0),
+ max(0),
+ on_change(f) {}
+
+Option::Option(double v, int minv, int maxv, OnChange f) :
+ type("spin"),
+ min(minv),
+ max(maxv),
+ on_change(f) {
+ defaultValue = currentValue = std::to_string(v);
+}
+
+Option::Option(const char* v, const char* cur, OnChange f) :
+ type("combo"),
+ min(0),
+ max(0),
+ on_change(f) {
+ defaultValue = v;
+ currentValue = cur;
+}
+
+Option::operator int() const {
+ assert(type == "check" || type == "spin");
+ return (type == "spin" ? std::stoi(currentValue) : currentValue == "true");
+}
- if (o.type == "spin")
- os << " min " << o.min << " max " << o.max;
+Option::operator std::string() const {
+ assert(type == "string");
+ return currentValue;
+}
- break;
- }
- return os;
+bool Option::operator==(const char* s) const {
+ assert(type == "combo");
+ return !CaseInsensitiveLess()(currentValue, s) && !CaseInsensitiveLess()(s, currentValue);
}
-/// UCIOption class c'tors
+// Inits options and assigns idx in the correct printing order
+
+void Option::operator<<(const Option& o) {
-UCIOption::UCIOption(const char* v, Fn* f) : type("string"), min(0), max(0), idx(Options.size()), on_change(f)
-{ defaultValue = currentValue = v; }
+ static size_t insert_order = 0;
-UCIOption::UCIOption(bool v, Fn* f) : type("check"), min(0), max(0), idx(Options.size()), on_change(f)
-{ defaultValue = currentValue = (v ? "true" : "false"); }
+ *this = o;
+ idx = insert_order++;
+}
-UCIOption::UCIOption(Fn* f) : type("button"), min(0), max(0), idx(Options.size()), on_change(f)
-{}
-UCIOption::UCIOption(int v, int minv, int maxv, Fn* f) : type("spin"), min(minv), max(maxv), idx(Options.size()), on_change(f)
-{ std::ostringstream ss; ss << v; defaultValue = currentValue = ss.str(); }
+// Updates currentValue and triggers on_change() action. It's up to
+// the GUI to check for option's limits, but we could receive the new value
+// from the user by console window, so let's check the bounds anyway.
+Option& Option::operator=(const string& v) {
+ assert(!type.empty());
-/// UCIOption::operator=() updates currentValue. Normally it's up to the GUI to
-/// check for option's limits, but we could receive the new value directly from
-/// the user by console window, so let's check the bounds anyway.
+ if ((type != "button" && type != "string" && v.empty())
+ || (type == "check" && v != "true" && v != "false")
+ || (type == "spin" && (stof(v) < min || stof(v) > max)))
+ return *this;
-void UCIOption::operator=(const string& v) {
+ if (type == "combo")
+ {
+ OptionsMap comboMap; // To have case insensitive compare
+ string token;
+ std::istringstream ss(defaultValue);
+ while (ss >> token)
+ comboMap[token] << Option();
+ if (!comboMap.count(v) || v == "var")
+ return *this;
+ }
- assert(!type.empty());
+ if (type != "button")
+ currentValue = v;
- if ( (type == "button" || !v.empty())
- && (type != "check" || (v == "true" || v == "false"))
- && (type != "spin" || (atoi(v.c_str()) >= min && atoi(v.c_str()) <= max)))
- {
- if (type != "button")
- currentValue = v;
+ if (on_change)
+ on_change(*this);
- if (on_change)
- (*on_change)(*this);
- }
+ return *this;
}
+
+} // namespace UCI
+
+} // namespace Stockfish
projects / stockfish / blobdiff