X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmain.cpp;h=e6dfe9344d5837a8194839aa7680927d46a75f3e;hp=49c66c0da69384e761034607a9548936a9ae9fe7;hb=09d01ee9dc16f20962d5f5ffcb61ade56d4fa579;hpb=bb751d6c890f5c50c642366d601740366cfae8d0

diff --git a/src/main.cpp b/src/main.cpp
index 49c66c0d..e6dfe934 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,95 +1,87 @@
 /*
-  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) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
 
-  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.
-  
+
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+// To profile with callgrind uncomment following line
+//#define USE_CALLGRIND
 
-////
-//// Includes
-////
-
-#include <cstdlib>
+#include <cstdio>
 #include <iostream>
+#include <string>
 
-#include "benchmark.h"
 #include "bitboard.h"
-#include "direction.h"
-#include "endgame.h"
 #include "evaluate.h"
-#include "material.h"
-#include "mersenne.h"
-#include "misc.h"
-#include "movepick.h"
 #include "position.h"
-#include "search.h"
 #include "thread.h"
-#include "uci.h"
+#include "search.h"
 #include "ucioption.h"
 
+#ifdef USE_CALLGRIND
+#include <valgrind/callgrind.h>
+#endif
 
-//// 
-//// Functions
-////
+using namespace std;
 
-int main(int argc, char *argv[]) {
+extern bool execute_uci_command(const string& cmd);
+extern void benchmark(int argc, char* argv[]);
+extern void init_kpk_bitbase();
 
-  // Disable IO buffering
-  setbuf(stdin, NULL);
-  setbuf(stdout, NULL);
-  std::cout.rdbuf()->pubsetbuf(NULL, 0);
-  std::cin.rdbuf()->pubsetbuf(NULL, 0);
+int main(int argc, char* argv[]) {
 
-  // Initialization
+  // Disable IO buffering for C and C++ standard libraries
+  setvbuf(stdin, NULL, _IONBF, 0);
+  setvbuf(stdout, NULL, _IONBF, 0);
+  cout.rdbuf()->pubsetbuf(NULL, 0);
+  cin.rdbuf()->pubsetbuf(NULL, 0);
 
-  init_mersenne();
-  init_direction_table();
+  // Startup initializations
   init_bitboards();
-  init_uci_options();
   Position::init_zobrist();
   Position::init_piece_square_tables();
-  MaterialInfo::init();
-  MovePicker::init_phase_table();
-  init_eval(1);
-  init_bitbases();
-  init_threads();
-
-  // Make random number generation less deterministic, for book moves
-  int i = abs(get_system_time() % 10000);
-  for(int j = 0; j < i; j++)
-    genrand_int32();
-
-  // Process command line arguments
-  if(argc >= 2) {
-    if(std::string(argv[1]) == "bench") {
-      if(argc != 4) {
-        std::cout << "Usage: glaurung bench <hash> <threads>" << std::endl;
-        exit(0);
-      }
-      benchmark(std::string(argv[2]), std::string(argv[3]));
-      return 0;
-    }
+  init_kpk_bitbase();
+  init_search();
+  Threads.init();
+
+#ifdef USE_CALLGRIND
+  CALLGRIND_START_INSTRUMENTATION;
+#endif
+
+  if (argc < 2)
+  {
+      // Print copyright notice
+      cout << engine_name() << " by " << engine_authors() << endl;
+
+      if (CpuHasPOPCNT)
+          cout << "Good! CPU has hardware POPCNT." << endl;
+
+      // Wait for a command from the user, and passes this command to
+      // execute_uci_command() and also intercepts EOF from stdin to
+      // ensure that we exit gracefully if the GUI dies unexpectedly.
+      string cmd;
+      while (getline(cin, cmd) && execute_uci_command(cmd)) {}
   }
-
-  // Print copyright notice
-  std::cout << engine_name() << ".  "
-            << "Copyright (C) 2004-2008 Tord Romstad."
-            << std::endl;
-
-  // Enter UCI mode
-  uci_main_loop();
-
+  else if (string(argv[1]) == "bench" && argc < 8)
+      benchmark(argc, argv);
+  else
+      cout << "Usage: stockfish bench [hash size = 128] [threads = 1] "
+           << "[limit = 12] [fen positions file = default] "
+           << "[limited by depth, time, nodes or perft = depth]" << endl;
+
+  Threads.exit();
   return 0;
 }