X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=487778e5ad590b007dde1156f9a95eef6c09b559;hp=49e8f228ee36ab039b73cc514b69533556a93685;hb=9ba7f701ead00fd4a59841d457d15a15d3b84378;hpb=ebb0f31928621115037779ba14311d1ec8b90542

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 49e8f228..487778e5 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
@@ -17,347 +17,164 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-
-////
-//// Includes
-////
-
-#include <algorithm>
-#include <cassert>
-#include <map>
-#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;
-    size_t idx;
-
-    Option();
-    Option(const std::string& defaultValue, OptionType = STRING);
-    Option(bool defaultValue, OptionType = CHECK);
-    Option(int defaultValue, int minValue, int maxValue);
-
-    bool operator<(const Option& o) { return this->idx < o.idx; }
-  };
-
-  typedef std::map<std::string, Option> Options;
-
-  ///
-  /// Constants
-  ///
-
-  // 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["Selective Plies"] = Option(7, 0, 10);
-    o["Futility Pruning (Main Search)"] = Option(true);
-    o["Futility Pruning (Quiescence Search)"] = Option(true);
-    o["Futility Margin (Quiescence Search)"] = Option(50, 0, 1000);
-    o["Futility Margin Scale Factor (Main Search)"] = Option(100, 0, 1000);
-    o["Maximum Razoring Depth"] = Option(3, 0, 4);
-    o["Razoring Margin"] = Option(300, 150, 600);
-    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;
-
-  // 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 = T();
-      if (options.find(optionName) == options.end())
-          return ret;
-
-      std::istringstream ss(options[optionName].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) {
-
-      if (options.find(optionName) == options.end())
-          return false;
-
-      return options[optionName].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.
-  assert(options.find("Threads") != options.end());
-  assert(options.find("Minimum Split Depth") != options.end());
+// Our case insensitive less() function as required by UCI protocol
+bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
 
-  options["Threads"].defaultValue = stringify(Min(cpu_count(), 7));
-  options["Threads"].currentValue = stringify(Min(cpu_count(), 7));
+  int c1, c2;
+  size_t i = 0;
 
-  // 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())
   {
-      options["Minimum Split Depth"].defaultValue = "6";
-      options["Minimum Split Depth"].currentValue = "6";
-  }
-}
-
+      c1 = tolower(s1[i]);
+      c2 = tolower(s2[i++]);
 
-/// 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"
-  };
-
-  // 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);
-
-  std::sort(vec.begin(), vec.end());
-
-  for (std::vector<Option>::const_iterator it = vec.begin(); it != vec.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::const_iterator itc = it->comboValues.begin();
-                  itc != it->comboValues.end(); ++itc)
-                      std::cout << " var " << *itc;
-      }
-      std::cout << std::endl;
+      if (c1 != c2)
+          return c1 < c2;
   }
+  return s1.size() < s2.size();
 }
 
 
-/// get_option_value_bool() returns the current value of a UCI parameter of
-/// type "check".
+// stringify() converts a numeric value of type T to a std::string
+template<typename T>
+static string stringify(const T& v) {
 
-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) {
-
-  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".
+/// init_uci_options() 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.
 
-const std::string get_option_value_string(const std::string& optionName) {
+void init_uci_options() {
 
-   return get_option_value<std::string>(optionName);
+  Options["Use Search Log"] = Option(false);
+  Options["Search Log Filename"] = Option("SearchLog.txt");
+  Options["Book File"] = Option("book.bin");
+  Options["Best Book Move"] = Option(false);
+  Options["Mobility (Middle Game)"] = Option(100, 0, 200);
+  Options["Mobility (Endgame)"] = Option(100, 0, 200);
+  Options["Pawn Structure (Middle Game)"] = Option(100, 0, 200);
+  Options["Pawn Structure (Endgame)"] = Option(100, 0, 200);
+  Options["Passed Pawns (Middle Game)"] = Option(100, 0, 200);
+  Options["Passed Pawns (Endgame)"] = Option(100, 0, 200);
+  Options["Space"] = Option(100, 0, 200);
+  Options["Aggressiveness"] = Option(100, 0, 200);
+  Options["Cowardice"] = Option(100, 0, 200);
+  Options["Check Extension (PV nodes)"] = Option(2, 0, 2);
+  Options["Check Extension (non-PV nodes)"] = Option(1, 0, 2);
+  Options["Mate Threat Extension (PV nodes)"] = Option(2, 0, 2);
+  Options["Mate Threat Extension (non-PV nodes)"] = Option(2, 0, 2);
+  Options["Pawn Push to 7th Extension (PV nodes)"] = Option(1, 0, 2);
+  Options["Pawn Push to 7th Extension (non-PV nodes)"] = Option(1, 0, 2);
+  Options["Passed Pawn Extension (PV nodes)"] = Option(1, 0, 2);
+  Options["Passed Pawn Extension (non-PV nodes)"] = Option(0, 0, 2);
+  Options["Pawn Endgame Extension (PV nodes)"] = Option(2, 0, 2);
+  Options["Pawn Endgame Extension (non-PV nodes)"] = Option(2, 0, 2);
+  Options["Minimum Split Depth"] = Option(4, 4, 7);
+  Options["Maximum Number of Threads per Split Point"] = Option(5, 4, 8);
+  Options["Threads"] = Option(1, 1, MAX_THREADS);
+  Options["Use Sleeping Threads"] = Option(true);
+  Options["Hash"] = Option(32, 4, 8192);
+  Options["Clear Hash"] = Option(false, "button");
+  Options["Ponder"] = Option(true);
+  Options["OwnBook"] = Option(true);
+  Options["MultiPV"] = Option(1, 1, 500);
+  Options["Emergency Move Horizon"] = Option(40, 0, 50);
+  Options["Emergency Base Time"] = Option(200, 0, 30000);
+  Options["Emergency Move Time"] = Option(70, 0, 5000);
+  Options["Minimum Thinking Time"] = Option(20, 0, 5000);
+  Options["UCI_Chess960"] = Option(false);
+  Options["UCI_AnalyseMode"] = Option(false);
+
+  // Set some SMP parameters accordingly to the detected CPU count
+  Option& thr = Options["Threads"];
+  Option& msd = Options["Minimum Split Depth"];
+
+  thr.defaultValue = thr.currentValue = stringify(cpu_count());
+
+  if (cpu_count() >= 8)
+      msd.defaultValue = msd.currentValue = stringify(7);
 }
 
 
-/// 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.
+/// options_to_uci() returns a string with all the UCI options in chronological
+/// insertion order (the idx field) and in the format defined by the UCI protocol.
 
-void set_option_value(const std::string& optionName,
-                      const std::string& newValue) {
+string options_to_uci() {
 
-  if (options.find(optionName) != options.end())
-      options[optionName].currentValue = newValue;
-  else
-      std::cout << "No such option: " << optionName << std::endl;
-}
+  std::stringstream s;
 
+  for (size_t i = 0; i <= Options.size(); i++)
+      for (OptionsMap::const_iterator it = Options.begin(); it != Options.end(); ++it)
+          if (it->second.idx == i)
+          {
+              const Option& o = it->second;
+              s << "\noption name " << it->first << " type " << o.type;
 
-/// push_button() is used to tell the engine that a UCI parameter of type
-/// "button" has been selected:
+              if (o.type != "button")
+                  s << " default " << o.defaultValue;
 
-void push_button(const std::string& buttonName) {
+              if (o.type == "spin")
+                  s << " min " << o.minValue << " max " << o.maxValue;
 
-  set_option_value(buttonName, "true");
+              break;
+          }
+  return s.str();
 }
 
 
-/// 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.
+/// Option class c'tors
 
-bool button_was_pressed(const std::string& buttonName) {
+Option::Option(const char* def) : type("string"), idx(Options.size()), minValue(0), maxValue(0)
+{ defaultValue = currentValue = def; }
 
-  if (!get_option_value<bool>(buttonName))
-	  return false;
+Option::Option(bool def, string t) : type(t), idx(Options.size()), minValue(0), maxValue(0)
+{ defaultValue = currentValue = (def ? "true" : "false"); }
 
-  set_option_value(buttonName, "false");
-  return true;
-}
+Option::Option(int def, int minv, int maxv) : type("spin"), idx(Options.size()), minValue(minv), maxValue(maxv)
+{ defaultValue = currentValue = stringify(def); }
 
 
-namespace {
+/// 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.
 
-  // Define constructors of Option class.
+void Option::set_value(const string& value) {
 
-  Option::Option() {} // To allow insertion in a std::map
+  assert(!type.empty());
 
-  Option::Option(const std::string& def, OptionType t)
-  : defaultValue(def), currentValue(def), type(t), idx(options.size()), minValue(0), maxValue(0) {}
+  if (value.empty())
+      return;
 
-  Option::Option(bool def, OptionType t)
-  : defaultValue(stringify(def)), currentValue(stringify(def)), type(t), idx(options.size()), minValue(0), maxValue(0) {}
+  if (   (type == "check" || type == "button")
+      != (value == "true" || value == "false"))
+      return;
 
-  Option::Option(int def, int minv, int maxv)
-  : defaultValue(stringify(def)), currentValue(stringify(def)), type(SPIN), idx(options.size()), minValue(minv), maxValue(maxv) {}
+  if (type == "spin")
+  {
+      int v = atoi(value.c_str());
+      if (v < minValue || v > maxValue)
+          return;
+  }
 
+  currentValue = value;
 }