X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=eae549ad63f413b077ea9d6828cf6887ea86be54;hp=e34c0e775b4d3fdc21ee4f258c5e4de7e6416a5d;hb=be2925b3c5ef79685f9290414a96efab18bf3a8a;hpb=ec236924331beb1664d3b5f73f8eb4827827fe3b

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index e34c0e77..eae549ad 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -1,7 +1,7 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008 Marco Costalba
+  Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -17,351 +17,154 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-
-////
-//// Includes
-////
-
-#include <cassert>
-#include <string>
+#include <cctype>
+#include <iostream>
 #include <sstream>
-#include <vector>
 
 #include "misc.h"
 #include "thread.h"
 #include "ucioption.h"
 
+using std::string;
+using std::cout;
+using std::endl;
 
-////
-//// Variables
-////
-
-bool Chess960 = false;
-
-
-////
-//// Local definitions
-////
-
-namespace {
-
-  ///
-  /// Types
-  ///
-
-  enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON };
-
-  typedef std::vector<std::string> ComboValues;
-
-  struct Option {
-
-    std::string name, defaultValue, currentValue;
-    OptionType type;
-    int minValue, maxValue;
-    ComboValues comboValues;
-
-    Option(const char* name, const char* defaultValue, OptionType = STRING);
-    Option(const char* name, bool defaultValue, OptionType = CHECK);
-    Option(const char* name, int defaultValue, int minValue, int maxValue);
-  };
-
-  typedef std::vector<Option> Options;
-
-  ///
-  /// Constants
-  ///
-
-  // load_defaults populates the options vector with the hard
-  // coded names and default values.
-
-  void load_defaults(Options& o) {
-
-    o.push_back(Option("Use Search Log", false));
-    o.push_back(Option("Search Log Filename", "SearchLog.txt"));
-    o.push_back(Option("Book File", "book.bin"));
-    o.push_back(Option("Mobility (Middle Game)", 100, 0, 200));
-    o.push_back(Option("Mobility (Endgame)", 100, 0, 200));
-    o.push_back(Option("Pawn Structure (Middle Game)", 100, 0, 200));
-    o.push_back(Option("Pawn Structure (Endgame)", 100, 0, 200));
-    o.push_back(Option("Passed Pawns (Middle Game)", 100, 0, 200));
-    o.push_back(Option("Passed Pawns (Endgame)", 100, 0, 200));
-    o.push_back(Option("Aggressiveness", 100, 0, 200));
-    o.push_back(Option("Cowardice", 100, 0, 200));
-    o.push_back(Option("King Safety Curve", "Quadratic", COMBO));
-
-       o.back().comboValues.push_back("Quadratic");
-       o.back().comboValues.push_back("Linear");  /*, "From File"*/
-
-    o.push_back(Option("King Safety Coefficient", 40, 1, 100));
-    o.push_back(Option("King Safety X Intercept", 0, 0, 20));
-    o.push_back(Option("King Safety Max Slope", 30, 10, 100));
-    o.push_back(Option("King Safety Max Value", 500, 100, 1000));
-    o.push_back(Option("Queen Contact Check Bonus", 4, 0, 8));
-    o.push_back(Option("Rook Contact Check Bonus", 2, 0, 4));
-    o.push_back(Option("Queen Check Bonus", 2, 0, 4));
-    o.push_back(Option("Rook Check Bonus", 1, 0, 4));
-    o.push_back(Option("Bishop Check Bonus", 1, 0, 4));
-    o.push_back(Option("Knight Check Bonus", 1, 0, 4));
-    o.push_back(Option("Discovered Check Bonus", 3, 0, 8));
-    o.push_back(Option("Mate Threat Bonus", 3, 0, 8));
-    o.push_back(Option("Check Extension (PV nodes)", 2, 0, 2));
-    o.push_back(Option("Check Extension (non-PV nodes)", 1, 0, 2));
-    o.push_back(Option("Single Reply Extension (PV nodes)", 2, 0, 2));
-    o.push_back(Option("Single Reply Extension (non-PV nodes)", 2, 0, 2));
-    o.push_back(Option("Mate Threat Extension (PV nodes)", 0, 0, 2));
-    o.push_back(Option("Mate Threat Extension (non-PV nodes)", 0, 0, 2));
-    o.push_back(Option("Pawn Push to 7th Extension (PV nodes)", 1, 0, 2));
-    o.push_back(Option("Pawn Push to 7th Extension (non-PV nodes)", 1, 0, 2));
-    o.push_back(Option("Passed Pawn Extension (PV nodes)", 1, 0, 2));
-    o.push_back(Option("Passed Pawn Extension (non-PV nodes)", 0, 0, 2));
-    o.push_back(Option("Pawn Endgame Extension (PV nodes)", 2, 0, 2));
-    o.push_back(Option("Pawn Endgame Extension (non-PV nodes)", 2, 0, 2));
-    o.push_back(Option("Full Depth Moves (PV nodes)", 14, 1, 100));
-    o.push_back(Option("Full Depth Moves (non-PV nodes)", 3, 1, 100));
-    o.push_back(Option("Threat Depth", 5, 0, 100));
-    o.push_back(Option("Selective Plies", 7, 0, 10));
-    o.push_back(Option("Futility Pruning (Main Search)", true));
-    o.push_back(Option("Futility Pruning (Quiescence Search)", true));
-    o.push_back(Option("Futility Margin 0", 50, 0, 1000));
-    o.push_back(Option("Futility Margin 1", 100, 0, 1000));
-    o.push_back(Option("Futility Margin 2", 300, 0, 1000));
-    o.push_back(Option("Maximum Razoring Depth", 3, 0, 4));
-    o.push_back(Option("Razoring Margin", 300, 150, 600));
-    o.push_back(Option("LSN filtering", false));
-    o.push_back(Option("LSN Time Margin (sec)", 4, 1, 10));
-    o.push_back(Option("LSN Value Margin", 200, 100, 600));
-    o.push_back(Option("Randomness", 0, 0, 10));
-    o.push_back(Option("Minimum Split Depth", 4, 4, 7));
-    o.push_back(Option("Maximum Number of Threads per Split Point", 5, 4, 8));
-    o.push_back(Option("Threads", 1, 1, 8));
-    o.push_back(Option("Hash", 32, 4, 4096));
-    o.push_back(Option("Clear Hash", false, BUTTON));
-    o.push_back(Option("Ponder", true));
-    o.push_back(Option("OwnBook", true));
-    o.push_back(Option("MultiPV", 1, 1, 500));
-    o.push_back(Option("UCI_ShowCurrLine", false));
-    o.push_back(Option("UCI_Chess960", false));
-  }
-
-  ///
-  /// Variables
-  ///
-
-  Options options;
-
-  // Local functions
-  Options::iterator option_with_name(const std::string& optionName);
-
-  // stringify converts a value of type T to a std::string
-  template<typename T>
-  std::string stringify(const T& v) {
-
-     std::ostringstream ss;
-     ss << v;
-     return ss.str();
-  }
-
-  // We want conversion from a bool value to be "true" or "false",
-  // not "1" or "0", so add a specialization for bool type.
-  template<>
-  std::string stringify<bool>(const bool& v) {
-
-    return v ? "true" : "false";
-  }
-
-  // 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 std::string& optionName) {
-
-      T ret;
-      Options::iterator it = option_with_name(optionName);
-
-      if (it != options.end())
-      {
-          std::istringstream ss(it->currentValue);
-          ss >> ret;
-      }
-      return ret;
-  }
-
-  // Unfortunatly we need a specialization to convert "false" and "true"
-  // to proper bool values. The culprit is that we use a non standard way
-  // to store a bool value in a string, in particular we use "false" and
-  // "true" instead of "0" and "1" due to how UCI protocol works.
-
-  template<>
-  bool get_option_value<bool>(const std::string& optionName) {
-
-      Options::iterator it = option_with_name(optionName);
-
-      return it != options.end() && it->currentValue == "true";
-  }
-}
-
-////
-//// Functions
-////
-
-/// init_uci_options() initializes the UCI options.  Currently, the only
-/// thing this function does is to initialize the default value of the
-/// "Threads" parameter to the number of available CPU cores.
-
-void init_uci_options() {
+OptionsMap Options; // Global object
 
-  load_defaults(options);
 
-  // Limit the default value of "Threads" to 7 even if we have 8 CPU cores.
-  // According to Ken Dail's tests, Glaurung plays much better with 7 than
-  // 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.
-  Options::iterator it = option_with_name("Threads");
+// Our case insensitive less() function as required by UCI protocol
+bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
 
-  assert(it != options.end());
+  int c1, c2;
+  size_t i = 0;
 
-  it->defaultValue = stringify(Min(cpu_count(), 7));
-  it->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)
+  while (i < s1.size() && i < s2.size())
   {
-      it = option_with_name("Minimum Split Depth");
-
-      assert(it != options.end());
+      c1 = tolower(s1[i]);
+      c2 = tolower(s2[i++]);
 
-      it->defaultValue = "6";
-      it->currentValue = "6";
+      if (c1 != c2)
+          return c1 < c2;
   }
+  return s1.size() < s2.size();
 }
 
 
-/// print_uci_options() prints all the UCI options to the standard output,
-/// in the format defined by the UCI protocol.
-
-void print_uci_options() {
-
-  static const char optionTypeName[][16] = {
-    "spin", "combo", "check", "string", "button"
-  };
-
-  for (Options::iterator it = options.begin(); it != options.end(); ++it)
-  {
-      std::cout << "option name " << it->name
-                << " type "       << optionTypeName[it->type];
-
-      if (it->type != BUTTON)
-      {
-          std::cout << " default " << it->defaultValue;
-
-          if (it->type == SPIN)
-              std::cout << " min " << it->minValue
-                        << " max " << it->maxValue;
-
-          else if (it->type == COMBO)
-              for(ComboValues::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) {
-
-  return get_option_value<bool>(optionName);
-}
-
-
-/// get_option_value_int() returns the value of a UCI parameter as an integer.
-/// Normally, this function will be used for a parameter of type "spin", but
-/// 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) {
+// stringify() converts a numeric value of type T to a std::string
+template<typename T>
+static string stringify(const T& v) {
 
-  return get_option_value<int>(optionName);
+  std::ostringstream ss;
+  ss << v;
+  return ss.str();
 }
 
 
-/// 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);
+/// OptionsMap c'tor initializes the UCI options to their hard coded default
+/// values and initializes the default value of "Threads" and "Minimum Split Depth"
+/// parameters according to the number of CPU cores.
+
+OptionsMap::OptionsMap() {
+
+  OptionsMap& o = *this;
+
+  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);
+  o["Mobility (Endgame)"] = UCIOption(100, 0, 200);
+  o["Passed Pawns (Middle Game)"] = UCIOption(100, 0, 200);
+  o["Passed Pawns (Endgame)"] = UCIOption(100, 0, 200);
+  o["Space"] = UCIOption(100, 0, 200);
+  o["Aggressiveness"] = UCIOption(100, 0, 200);
+  o["Cowardice"] = UCIOption(100, 0, 200);
+  o["Minimum Split Depth"] = UCIOption(4, 4, 7);
+  o["Maximum Number of Threads per Split Point"] = UCIOption(5, 4, 8);
+  o["Threads"] = UCIOption(1, 1, MAX_THREADS);
+  o["Use Sleeping Threads"] = UCIOption(true);
+  o["Hash"] = UCIOption(32, 4, 8192);
+  o["Clear Hash"] = UCIOption(false, "button");
+  o["Ponder"] = UCIOption(true);
+  o["OwnBook"] = UCIOption(true);
+  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["UCI_Chess960"] = UCIOption(false);
+  o["UCI_AnalyseMode"] = UCIOption(false);
+
+  // Set some SMP parameters accordingly to the detected CPU count
+  UCIOption& thr = o["Threads"];
+  UCIOption& msd = o["Minimum Split Depth"];
+
+  thr.defaultValue = thr.currentValue = stringify(cpu_count());
+
+  if (cpu_count() >= 8)
+      msd.defaultValue = msd.currentValue = stringify(7);
 }
 
 
-/// button_was_pressed() tests whether a UCI parameter of type "button" has
-/// been selected since the last time the function was called.
+/// OptionsMap::print_all() returns a string with all the UCI options in chronological
+/// insertion order (the idx field) and in the format defined by the UCI protocol.
 
-bool button_was_pressed(const std::string& buttonName) {
+string OptionsMap::print_all() const {
 
-  if (get_option_value<bool>(buttonName))
-  {
-    set_option_value(buttonName, "false");
-    return true;
-  }
+  std::stringstream s;
 
-  return false;
-}
+  for (size_t i = 0; i <= size(); i++)
+      for (OptionsMap::const_iterator it = begin(); it != end(); ++it)
+          if (it->second.idx == i)
+          {
+              const UCIOption& o = it->second;
+              s << "\noption name " << it->first << " type " << o.type;
 
+              if (o.type != "button")
+                  s << " default " << o.defaultValue;
 
-/// 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.
+              if (o.type == "spin")
+                  s << " min " << o.minValue << " max " << o.maxValue;
 
-void set_option_value(const std::string& optionName,
-                      const std::string& newValue) {
-
-  Options::iterator it = option_with_name(optionName);
-
-  if (it != options.end())
-      it->currentValue = newValue;
-  else
-      std::cout << "No such option: " << optionName << std::endl;
+              break;
+          }
+  return s.str();
 }
 
 
-/// 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) {
+/// Option class c'tors
 
-  set_option_value(buttonName, "true");
-}
+UCIOption::UCIOption(const char* def) : type("string"), minValue(0), maxValue(0), idx(Options.size())
+{ defaultValue = currentValue = def; }
 
+UCIOption::UCIOption(bool def, string t) : type(t), minValue(0), maxValue(0), idx(Options.size())
+{ defaultValue = currentValue = (def ? "true" : "false"); }
 
-namespace {
+UCIOption::UCIOption(int def, int minv, int maxv) : type("spin"), minValue(minv), maxValue(maxv), idx(Options.size())
+{ defaultValue = currentValue = stringify(def); }
 
-    // Define constructors of Option class.
 
-    Option::Option(const char* nm, const char* def, OptionType t)
-    : name(nm), defaultValue(def), currentValue(def), type(t), minValue(0), maxValue(0) {}
+/// set_value() updates currentValue of the Option object. 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 teminal window. So let's check the bounds anyway.
 
-    Option::Option(const char* nm, bool def, OptionType t)
-    : name(nm), defaultValue(stringify(def)), currentValue(stringify(def)), type(t), minValue(0), maxValue(0) {}
+void UCIOption::set_value(const string& v) {
 
-    Option::Option(const char* nm, int def, int minv, int maxv)
-    : name(nm), defaultValue(stringify(def)), currentValue(stringify(def)), type(SPIN), minValue(minv), maxValue(maxv) {}
+  assert(!type.empty());
 
-    // option_with_name() tries to find a UCI option with a given
-    // name.  It returns an iterator to the UCI option or to options.end(),
-    // depending on whether an option with the given name exists.
+  if (v.empty())
+      return;
 
-    Options::iterator option_with_name(const std::string& optionName) {
+  if ((type == "check" || type == "button") != (v == "true" || v == "false"))
+      return;
 
-        for (Options::iterator it = options.begin(); it != options.end(); ++it)
-            if (it->name == optionName)
-                return it;
+  if (type == "spin")
+  {
+      int val = atoi(v.c_str());
+      if (val < minValue || val > maxValue)
+          return;
+  }
 
-        return options.end();
-    }
+  currentValue = v;
 }