X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=be5a1df53d8782189f4ee27c1bac23947377e10f;hp=d700e6d18e840aef53f2abf888fe98baf843ce42;hb=b58ecb85c73e31e3fec5d1ea983642864038a5b3;hpb=6c64f68ccf18a4ee1d4429abbef5fb4c0e216504

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index d700e6d1..be5a1df5 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -1,13 +1,14 @@
 /*
-  Glaurung, a UCI chess playing engine.
-  Copyright (C) 2004-2008 Tord Romstad
+  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
 
-  Glaurung is free software: you can redistribute it and/or modify
+  Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
-  Glaurung is distributed in the hope that it will be useful,
+  Stockfish is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
@@ -21,6 +22,7 @@
 //// Includes
 ////
 
+#include <algorithm>
 #include <cassert>
 #include <map>
 #include <string>
@@ -31,13 +33,7 @@
 #include "thread.h"
 #include "ucioption.h"
 
-
-////
-//// Variables
-////
-
-bool Chess960 = false;
-
+using std::string;
 
 ////
 //// Local definitions
@@ -49,110 +45,131 @@ namespace {
   /// Types
   ///
 
-  enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON, OPTION_TYPE_NONE };
+  enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON };
 
-  typedef std::vector<std::string> ComboValues;
+  typedef std::vector<string> ComboValues;
 
-  struct OptionValue
-  {
-    std::string defaultValue, currentValue;
+  struct Option {
+
+    string name, defaultValue, currentValue;
     OptionType type;
+    size_t idx;
     int minValue, maxValue;
     ComboValues comboValues;
 
-    // Helper to convert a bool or an int in a std::string
-    template<typename T> std::string stringify(const T& v);
+    Option();
+    Option(const char* defaultValue, OptionType = STRING);
+    Option(bool defaultValue, OptionType = CHECK);
+    Option(int defaultValue, int minValue, int maxValue);
 
-    OptionValue(); // this is needed to use a std::map
-    OptionValue(const char* defaultValue, OptionType = STRING);
-    OptionValue(bool defaultValue);
-    OptionValue(int defaultValue, int minValue, int maxValue);
+    bool operator<(const Option& o) const { return this->idx < o.idx; }
   };
 
-  typedef std::map<std::string, OptionValue> Options;
+  typedef std::map<string, Option> Options;
 
   ///
   /// Constants
   ///
 
-  // load-defaults populates the options map with the hard
-  // coded options names and their default values.
-  void load_defaults(Options& options) {
-
-    options["Use Search Log"]                            = OptionValue(false);
-    options["Search Log Filename"]                       = OptionValue("SearchLog.txt");
-    options["Book File"]                                 = OptionValue("book.bin");
-    options["Mobility (Middle Game)"]                    = OptionValue(100, 0, 200);
-    options["Mobility (Endgame)"]                        = OptionValue(100, 0, 200);
-    options["Pawn Structure (Middle Game)"]              = OptionValue(100, 0, 200);
-    options["Pawn Structure (Endgame)"]                  = OptionValue(100, 0, 200);
-    options["Passed Pawns (Middle Game)"]                = OptionValue(100, 0, 200);
-    options["Passed Pawns (Endgame)"]                    = OptionValue(100, 0, 200);
-    options["Aggressiveness"]                            = OptionValue(100, 0, 200);
-    options["Cowardice"]                                 = OptionValue(100, 0, 200);
-    options["King Safety Curve"]                         = OptionValue("Quadratic", COMBO);
-
-       options["King Safety Curve"].comboValues.push_back("Quadratic");
-       options["King Safety Curve"].comboValues.push_back("Linear");  /*, "From File"*/
-
-    options["King Safety Coefficient"]                   = OptionValue(40, 1, 100);
-    options["King Safety X Intercept"]                   = OptionValue(0, 0, 20);
-    options["King Safety Max Slope"]                     = OptionValue(30, 10, 100);
-    options["King Safety Max Value"]                     = OptionValue(500, 100, 1000);
-    options["Queen Contact Check Bonus"]                 = OptionValue(4, 0, 8);
-    options["Rook Contact Check Bonus"]                  = OptionValue(2, 0, 4);
-    options["Queen Check Bonus"]                         = OptionValue(2, 0, 4);
-    options["Rook Check Bonus"]                          = OptionValue(1, 0, 4);
-    options["Bishop Check Bonus"]                        = OptionValue(1, 0, 4);
-    options["Knight Check Bonus"]                        = OptionValue(1, 0, 4);
-    options["Discovered Check Bonus"]                    = OptionValue(3, 0, 8);
-    options["Mate Threat Bonus"]                         = OptionValue(3, 0, 8);
-
-    options["Check Extension (PV nodes)"]                = OptionValue(2, 0, 2);
-    options["Check Extension (non-PV nodes)"]            = OptionValue(1, 0, 2);
-    options["Single Reply Extension (PV nodes)"]         = OptionValue(2, 0, 2);
-    options["Single Reply Extension (non-PV nodes)"]     = OptionValue(2, 0, 2);
-    options["Mate Threat Extension (PV nodes)"]          = OptionValue(2, 0, 2);
-    options["Mate Threat Extension (non-PV nodes)"]      = OptionValue(0, 0, 2);
-    options["Pawn Push to 7th Extension (PV nodes)"]     = OptionValue(1, 0, 2);
-    options["Pawn Push to 7th Extension (non-PV nodes)"] = OptionValue(1, 0, 2);
-    options["Passed Pawn Extension (PV nodes)"]          = OptionValue(1, 0, 2);
-    options["Passed Pawn Extension (non-PV nodes)"]      = OptionValue(0, 0, 2);
-    options["Pawn Endgame Extension (PV nodes)"]         = OptionValue(2, 0, 2);
-    options["Pawn Endgame Extension (non-PV nodes)"]     = OptionValue(2, 0, 2);
-    options["Full Depth Moves (PV nodes)"]               = OptionValue(14, 1, 100);
-    options["Full Depth Moves (non-PV nodes)"]           = OptionValue(3, 1, 100);
-    options["Threat Depth"]                              = OptionValue(5, 0, 100);
-    options["Selective Plies"]                           = OptionValue(7, 0, 10);
-    options["Futility Pruning (Main Search)"]            = OptionValue(true);
-    options["Futility Pruning (Quiescence Search)"]      = OptionValue(true);
-    options["Futility Margin 0"]                         = OptionValue(50, 0, 1000);
-    options["Futility Margin 1"]                         = OptionValue(100, 0, 1000);
-    options["Futility Margin 2"]                         = OptionValue(300, 0, 1000);
-    options["Maximum Razoring Depth"]                    = OptionValue(3, 0, 4);
-    options["Razoring Margin"]                           = OptionValue(300, 150, 600);
-    options["Randomness"]                                = OptionValue(0, 0, 10);
-    options["Minimum Split Depth"]                       = OptionValue(4, 4, 7);
-    options["Maximum Number of Threads per Split Point"] = OptionValue(5, 4, 8);
-    options["Threads"]                                   = OptionValue(1, 1, 8);
-    options["Hash"]                                      = OptionValue(32, 4, 4096);
-    options["Clear Hash"]                                = OptionValue(false);
-    options["Ponder"]                                    = OptionValue(true);
-    options["OwnBook"]                                   = OptionValue(true);
-    options["MultiPV"]                                   = OptionValue(1, 1, 500);
-    options["UCI_ShowCurrLine"]                          = OptionValue(false);
-    options["UCI_Chess960"]                              = OptionValue(false);
+  // load_defaults populates the options map with the hard
+  // coded names and default values.
+
+  void load_defaults(Options& o) {
+
+    o["Use Search Log"] = Option(false);
+    o["Search Log Filename"] = Option("SearchLog.txt");
+    o["Book File"] = Option("book.bin");
+    o["Mobility (Middle Game)"] = Option(100, 0, 200);
+    o["Mobility (Endgame)"] = Option(100, 0, 200);
+    o["Pawn Structure (Middle Game)"] = Option(100, 0, 200);
+    o["Pawn Structure (Endgame)"] = Option(100, 0, 200);
+    o["Passed Pawns (Middle Game)"] = Option(100, 0, 200);
+    o["Passed Pawns (Endgame)"] = Option(100, 0, 200);
+    o["Space"] = Option(100, 0, 200);
+    o["Aggressiveness"] = Option(100, 0, 200);
+    o["Cowardice"] = Option(100, 0, 200);
+    o["King Safety Curve"] = Option("Quadratic", COMBO);
+
+       o["King Safety Curve"].comboValues.push_back("Quadratic");
+       o["King Safety Curve"].comboValues.push_back("Linear");  /*, "From File"*/
+
+    o["King Safety Coefficient"] = Option(40, 1, 100);
+    o["King Safety X Intercept"] = Option(0, 0, 20);
+    o["King Safety Max Slope"] = Option(30, 10, 100);
+    o["King Safety Max Value"] = Option(500, 100, 1000);
+    o["Queen Contact Check Bonus"] = Option(3, 0, 8);
+    o["Queen Check Bonus"] = Option(2, 0, 4);
+    o["Rook Check Bonus"] = Option(1, 0, 4);
+    o["Bishop Check Bonus"] = Option(1, 0, 4);
+    o["Knight Check Bonus"] = Option(1, 0, 4);
+    o["Discovered Check Bonus"] = Option(3, 0, 8);
+    o["Mate Threat Bonus"] = Option(3, 0, 8);
+    o["Check Extension (PV nodes)"] = Option(2, 0, 2);
+    o["Check Extension (non-PV nodes)"] = Option(1, 0, 2);
+    o["Single Reply Extension (PV nodes)"] = Option(2, 0, 2);
+    o["Single Reply Extension (non-PV nodes)"] = Option(2, 0, 2);
+    o["Mate Threat Extension (PV nodes)"] = Option(0, 0, 2);
+    o["Mate Threat Extension (non-PV nodes)"] = Option(0, 0, 2);
+    o["Pawn Push to 7th Extension (PV nodes)"] = Option(1, 0, 2);
+    o["Pawn Push to 7th Extension (non-PV nodes)"] = Option(1, 0, 2);
+    o["Passed Pawn Extension (PV nodes)"] = Option(1, 0, 2);
+    o["Passed Pawn Extension (non-PV nodes)"] = Option(0, 0, 2);
+    o["Pawn Endgame Extension (PV nodes)"] = Option(2, 0, 2);
+    o["Pawn Endgame Extension (non-PV nodes)"] = Option(2, 0, 2);
+    o["Full Depth Moves (PV nodes)"] = Option(14, 1, 100);
+    o["Full Depth Moves (non-PV nodes)"] = Option(3, 1, 100);
+    o["Threat Depth"] = Option(5, 0, 100);
+    o["LSN filtering"] = Option(true);
+    o["LSN Time Margin (sec)"] = Option(4, 1, 10);
+    o["LSN Value Margin"] = Option(200, 100, 600);
+    o["Randomness"] = Option(0, 0, 10);
+    o["Minimum Split Depth"] = Option(4, 4, 7);
+    o["Maximum Number of Threads per Split Point"] = Option(5, 4, 8);
+    o["Threads"] = Option(1, 1, 8);
+    o["Hash"] = Option(32, 4, 4096);
+    o["Clear Hash"] = Option(false, BUTTON);
+    o["Ponder"] = Option(true);
+    o["OwnBook"] = Option(true);
+    o["MultiPV"] = Option(1, 1, 500);
+    o["UCI_ShowCurrLine"] = Option(false);
+    o["UCI_Chess960"] = Option(false);
+
+    // Any option should know its name so to be easily printed
+    for (Options::iterator it = o.begin(); it != o.end(); ++it)
+        it->second.name = it->first;
   }
 
-
   ///
   /// Variables
   ///
 
   Options options;
 
-  // Local functions
-  template<typename T> T get_option_value(const std::string& optionName);
+  // stringify converts a value of type T to a std::string
+  template<typename T>
+  string stringify(const T& v) {
+
+     std::ostringstream ss;
+     ss << v;
+     return ss.str();
+  }
+
+
+  // get_option_value implements the various get_option_value_<type>
+  // functions defined later, because only the option value
+  // type changes a template seems a proper solution.
+
+  template<typename T>
+  T get_option_value(const string& optionName) {
+
+      T ret = T();
+      if (options.find(optionName) == options.end())
+          return ret;
+
+      std::istringstream ss(options[optionName].currentValue);
+      ss >> ret;
+      return ret;
+  }
 
 }
 
@@ -173,19 +190,18 @@ void init_uci_options() {
   // with 8 threads.  This is weird, but it is probably difficult to find out
   // why before I have a 8-core computer to experiment with myself.
   assert(options.find("Threads") != options.end());
+  assert(options.find("Minimum Split Depth") != options.end());
 
-  options["Threads"].defaultValue = Min(cpu_count(), 7);
-  options["Threads"].currentValue = Min(cpu_count(), 7);
+  options["Threads"].defaultValue = stringify(Min(cpu_count(), 7));
+  options["Threads"].currentValue = stringify(Min(cpu_count(), 7));
 
   // Increase the minimum split depth when the number of CPUs is big.
   // It would probably be better to let this depend on the number of threads
   // instead.
-  if(cpu_count() > 4)
+  if (cpu_count() > 4)
   {
-      assert(options.find("Minimum Split Depth") != options.end());
-
-      options["Minimum Split Depth"].defaultValue = 6;
-      options["Minimum Split Depth"].currentValue = 6;
+      options["Minimum Split Depth"].defaultValue = "6";
+      options["Minimum Split Depth"].currentValue = "6";
   }
 }
 
@@ -199,33 +215,42 @@ void print_uci_options() {
     "spin", "combo", "check", "string", "button"
   };
 
-  for (Options::iterator it = options.begin(); it != options.end(); ++it)
-  {
-      const OptionValue& o = it->second;
-
-      std::cout << "option name " << it->first
-                << " type "       << optionTypeName[o.type];
+  // Build up a vector out of the options map and sort it according to idx
+  // field, that is the chronological insertion order in options map.
+  std::vector<Option> vec;
+  for (Options::const_iterator it = options.begin(); it != options.end(); ++it)
+      vec.push_back(it->second);
 
-      if (o.type != BUTTON)
-      {
-          std::cout << " default " << o.defaultValue;
+  std::sort(vec.begin(), vec.end());
 
-          if (o.type == SPIN)
-              std::cout << " min " << o.minValue
-                        << " max " << o.maxValue;
-
-          else if (o.type == COMBO)
-              for(ComboValues::size_type i = 0; i < o.comboValues.size(); ++i)
-                  std::cout << " var " << o.comboValues[i];
-      }
-      std::cout << std::endl;
+  for (std::vector<Option>::const_iterator it = vec.begin(); it != vec.end(); ++it)
+  {
+      std::cout << "\noption name " << it->name
+                << " type "         << optionTypeName[it->type];
+
+      if (it->type == BUTTON)
+          continue;
+
+      if (it->type == CHECK)
+          std::cout << " default " << (it->defaultValue == "1" ? "true" : "false");
+      else
+          std::cout << " default " << it->defaultValue;
+
+      if (it->type == SPIN)
+          std::cout << " min " << it->minValue << " max " << it->maxValue;
+      else if (it->type == COMBO)
+          for (ComboValues::const_iterator itc = it->comboValues.begin();
+              itc != it->comboValues.end(); ++itc)
+              std::cout << " var " << *itc;
   }
+  std::cout << std::endl;
 }
 
+
 /// get_option_value_bool() returns the current value of a UCI parameter of
 /// type "check".
 
-bool get_option_value_bool(const std::string& optionName) {
+bool get_option_value_bool(const string& optionName) {
 
   return get_option_value<bool>(optionName);
 }
@@ -236,98 +261,78 @@ bool get_option_value_bool(const std::string& optionName) {
 /// it could also be used with a "combo" parameter, where all the available
 /// values are integers.
 
-int get_option_value_int(const std::string& optionName) {
+int get_option_value_int(const string& optionName) {
 
   return get_option_value<int>(optionName);
 }
 
 
 /// get_option_value_string() returns the current value of a UCI parameter as
-/// a string.  It is used with parameters of type "combo" and "string".
-
-const std::string get_option_value_string(const std::string& optionName) {
-
-   return get_option_value<std::string>(optionName);
-}
-
-
-/// button_was_pressed() tests whether a UCI parameter of type "button" has
-/// been selected since the last time the function was called.
+/// a string. It is used with parameters of type "combo" and "string".
 
-bool button_was_pressed(const std::string& buttonName) {
+string get_option_value_string(const string& optionName) {
 
-  if (get_option_value<bool>(buttonName))
-  {
-    set_option_value(buttonName, "false");
-    return true;
-  }
-
-  return false;
+   return get_option_value<string>(optionName);
 }
 
 
-/// set_option_value() inserts a new value for a UCI parameter.  Note that
+/// set_option_value() inserts a new value for a UCI parameter. Note that
 /// the function does not check that the new value is legal for the given
-/// parameter:  This is assumed to be the responsibility of the GUI.
+/// parameter: This is assumed to be the responsibility of the GUI.
 
-void set_option_value(const std::string& optionName,
-                      const std::string& newValue) {
+void set_option_value(const string& name, const string& value) {
 
-  if (options.find(optionName) != options.end())
-      options[optionName].currentValue = newValue;
+  // UCI protocol uses "true" and "false" instead of "1" and "0", so convert
+  // value according to standard C++ convention before to store it.
+  string v(value);
+  if (v == "true")
+      v = "1";
+  else if (v == "false")
+      v = "0";
+
+  if (options.find(name) != options.end())
+      options[name].currentValue = v;
   else
-      std::cout << "No such option: " << optionName << std::endl;
+      std::cout << "No such option: " << name << std::endl;
 }
 
 
 /// push_button() is used to tell the engine that a UCI parameter of type
 /// "button" has been selected:
 
-void push_button(const std::string& buttonName) {
+void push_button(const string& buttonName) {
 
   set_option_value(buttonName, "true");
 }
 
 
-namespace {
-
-    // methods and c'tors of OptionValue class.
+/// button_was_pressed() tests whether a UCI parameter of type "button" has
+/// been selected since the last time the function was called, in this case
+/// it also resets the button.
 
-    template<typename T>
-    std::string OptionValue::stringify(const T& v)
-    {
-        std::ostringstream ss;
-        ss << v;
+bool button_was_pressed(const string& buttonName) {
 
-        return ss.str();
-    }
+  if (!get_option_value<bool>(buttonName))
+	  return false;
 
-    OptionValue::OptionValue() {}
+  set_option_value(buttonName, "false");
+  return true;
+}
 
-    OptionValue::OptionValue(const char* def, OptionType t)
-    : defaultValue(def), currentValue(def), type(t), minValue(0), maxValue(0) {}
 
-    OptionValue::OptionValue(bool def)
-    : defaultValue(stringify(def)), currentValue(stringify(def)), type(CHECK), minValue(0), maxValue(0) {}
+namespace {
 
-    OptionValue::OptionValue(int def, int minv, int maxv)
-    : defaultValue(stringify(def)), currentValue(stringify(def)), type(SPIN), minValue(minv), maxValue(maxv) {}
+  // Define constructors of Option class.
 
-    // get_option_value is the implementation of the various
-    // get_option_value_<type>, because only the option value
-    // type changes a template is the proper solution.
+  Option::Option() {} // To allow insertion in a std::map
 
-    template<typename T>
-    T get_option_value(const std::string& optionName) {
+  Option::Option(const char* def, OptionType t)
+  : defaultValue(def), currentValue(def), type(t), idx(options.size()), minValue(0), maxValue(0) {}
 
-        T ret;
+  Option::Option(bool def, OptionType t)
+  : defaultValue(stringify(def)), currentValue(stringify(def)), type(t), idx(options.size()), minValue(0), maxValue(0) {}
 
-        if (options.find(optionName) != options.end())
-        {
-            std::istringstream ss(options[optionName].currentValue);
-            ss >> ret;
-        }
-        return ret;
-    }
+  Option::Option(int def, int minv, int maxv)
+  : defaultValue(stringify(def)), currentValue(stringify(def)), type(SPIN), idx(options.size()), minValue(minv), maxValue(maxv) {}
 
 }