2 Stockfish, a UCI chess playing engine derived from Glaurung 2.1
3 Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
5 Stockfish is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 Stockfish is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #ifndef UCI_H_INCLUDED
20 #define UCI_H_INCLUDED
33 /// Custom comparator because UCI options should be case insensitive
34 struct CaseInsensitiveLess {
35 bool operator() (const std::string&, const std::string&) const;
38 /// Our options container is actually a std::map
39 typedef std::map<std::string, Option, CaseInsensitiveLess> OptionsMap;
41 /// Option class implements an option as defined by UCI protocol
44 typedef void (*OnChange)(const Option&);
47 Option(OnChange = nullptr);
48 Option(bool v, OnChange = nullptr);
49 Option(const char* v, OnChange = nullptr);
50 Option(double v, int minv, int maxv, OnChange = nullptr);
51 Option(const char* v, const char* cur, OnChange = nullptr);
53 Option& operator=(const std::string&);
54 void operator<<(const Option&);
55 operator double() const;
56 operator std::string() const;
57 bool operator==(const char*) const;
60 friend std::ostream& operator<<(std::ostream&, const OptionsMap&);
62 std::string defaultValue, currentValue, type;
68 void init(OptionsMap&);
69 void loop(int argc, char* argv[]);
70 std::string value(Value v);
71 std::string square(Square s);
72 std::string move(Move m, bool chess960);
73 std::string pv(const Position& pos, Depth depth, Value alpha, Value beta);
74 std::string wdl(Value v, int ply);
75 Move to_move(const Position& pos, std::string& str);
79 extern UCI::OptionsMap Options;
81 #endif // #ifndef UCI_H_INCLUDED