Fix compilation after recent merge.

[stockfish] / src / uci.h

diff --git a/src/uci.h b/src/uci.h
index 9e3f3df8363048d273b93d8a2ea2ef4eb253f8c4..55fb47c29ef64ef328d8698a96b817f185598264 100644 (file)
--- a/src/uci.h
+++ b/src/uci.h
@@ -1,7 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2009 Marco Costalba
+  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
@@ -17,15 +16,80 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-
-#if !defined(UCI_H_INCLUDED)
+#ifndef UCI_H_INCLUDED
 #define UCI_H_INCLUDED
 
-////
-//// Prototypes
-////
+#include <cstddef>
+#include <iosfwd>
+#include <map>
+#include <string>
+
+#include "types.h"
+
+namespace Stockfish {
+
+class Position;
+
+namespace UCI {
+
+// Normalizes the internal value as reported by evaluate or search
+// to the UCI centipawn result used in output. This value is derived from
+// the win_rate_model() such that Stockfish outputs an advantage of
+// "100 centipawns" for a position if the engine has a 50% probability to win
+// from this position in self-play at fishtest LTC time control.
+const int NormalizeToPawnValue = 328;
+
+class Option;
+
+// Define a custom comparator, because the UCI options should be case-insensitive
+struct CaseInsensitiveLess {
+    bool operator()(const std::string&, const std::string&) const;
+};
+
+// The options container is defined as a std::map
+using OptionsMap = std::map<std::string, Option, CaseInsensitiveLess>;
+
+// The Option class implements each option as specified by the UCI protocol
+class Option {
+
+    using OnChange = void (*)(const Option&);
+
+   public:
+    Option(OnChange = nullptr);
+    Option(bool v, OnChange = nullptr);
+    Option(const char* v, OnChange = nullptr);
+    Option(double v, int minv, int maxv, OnChange = nullptr);
+    Option(const char* v, const char* cur, OnChange = nullptr);
+
+    Option& operator=(const std::string&);
+    void    operator<<(const Option&);
+    operator int() const;
+    operator std::string() const;
+    bool operator==(const char*) const;
+
+   private:
+    friend std::ostream& operator<<(std::ostream&, const OptionsMap&);
+
+    std::string defaultValue, currentValue, type;
+    int         min, max;
+    size_t      idx;
+    OnChange    on_change;
+};
+
+void        init(OptionsMap&);
+void        loop(int argc, char* argv[]);
+int         to_cp(Value v);
+std::string value(Value v);
+std::string square(Square s);
+std::string move(Move m, bool chess960);
+std::string pv(const Position& pos, Depth depth);
+std::string wdl(Value v, int ply);
+Move        to_move(const Position& pos, std::string& str);
+
+}  // namespace UCI
 
-extern void uci_main_loop();
+extern UCI::OptionsMap Options;
 
+}  // namespace Stockfish
 
-#endif // !defined(UCI_H_INCLUDED)
+#endif  // #ifndef UCI_H_INCLUDED