X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fuci.cpp;h=88c1229e320ea804c4ef277f29c7c0d4da95013c;hp=f6b27114b13d64f60fafbd24c74c9550b7053afe;hb=2f6927ac08887ff3b709cfe9228b27a85bdd1d88;hpb=ef6fca98a0b70b82ba701e6969a80cd9daf78705

diff --git a/src/uci.cpp b/src/uci.cpp
index f6b27114..88c1229e 100644
--- a/src/uci.cpp
+++ b/src/uci.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) 2008-2009 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
@@ -54,7 +54,7 @@ namespace {
   // The root position. This is set up when the user (or in practice, the GUI)
   // sends the "position" UCI command. The root position is sent to the think()
   // function when the program receives the "go" command.
-  Position RootPosition;
+  Position RootPosition(0);
 
   // Local functions
   bool handle_command(const string& command);
@@ -107,7 +107,8 @@ namespace {
     UCIInputParser uip(command);
     string token;
 
-    uip >> token; // operator>>() skips any whitespace
+    if (!(uip >> token)) // operator>>() skips any whitespace
+        return true;
 
     if (token == "quit")
         return false;
@@ -124,7 +125,7 @@ namespace {
     }
     else if (token == "ucinewgame")
     {
-        push_button("Clear Hash");
+        push_button("New Game");
         Position::init_piece_square_tables();
         RootPosition.from_fen(StartPosition);
     }
@@ -142,7 +143,7 @@ namespace {
         RootPosition.print();
     else if (token == "flip")
     {
-        Position p(RootPosition);
+        Position p(RootPosition, RootPosition.thread());
         RootPosition.flipped_copy(p);
     }
     else if (token == "eval")
@@ -159,14 +160,8 @@ namespace {
     else if (token == "perft")
         perft(uip);
     else
-    {
         cout << "Unknown command: " << command << endl;
-        while (!uip.eof())
-        {
-            uip >> token;
-            cout << token << endl;
-        }
-    }
+
     return true;
   }
 
@@ -181,41 +176,41 @@ namespace {
 
     string token;
 
-    uip >> token; // operator>>() skips any whitespace
+    if (!(uip >> token)) // operator>>() skips any whitespace
+        return;
 
     if (token == "startpos")
         RootPosition.from_fen(StartPosition);
     else if (token == "fen")
     {
         string fen;
-        while (token != "moves" && !uip.eof())
+        while (uip >> token && token != "moves")
         {
-            uip >> token;
             fen += token;
             fen += ' ';
         }
         RootPosition.from_fen(fen);
     }
 
-    if (!uip.eof())
+    if (uip.good())
     {
         if (token != "moves")
           uip >> token;
+
         if (token == "moves")
         {
             Move move;
             StateInfo st;
-            while (!uip.eof())
+            while (uip >> token)
             {
-                uip >> token;
                 move = move_from_string(RootPosition, token);
                 RootPosition.do_move(move, st);
                 if (RootPosition.rule_50_counter() == 0)
-                    RootPosition.reset_game_ply();
+                    RootPosition.reset_ply();
             }
             // Our StateInfo st is about going out of scope so copy
             // its content inside RootPosition before they disappear.
-            RootPosition.saveState();
+            RootPosition.detach();
         }
     }
   }
@@ -229,27 +224,22 @@ namespace {
 
   void set_option(UCIInputParser& uip) {
 
-    string token, name;
+    string token, name, value;
 
-    uip >> token;
-    if (token == "name")
-    {
-        uip >> name;
-        while (!uip.eof())
-        {
-            uip >> token;
-            if (token == "value")
-                break;
+    if (!(uip >> token)) // operator>>() skips any whitespace
+        return;
 
+    if (token == "name" && uip >> name)
+    {
+        while (uip >> token && token != "value")
             name += (" " + token);
-        }
-        if (token == "value")
+
+        if (token == "value" && uip >> value)
         {
-            // Reads until end of line and left trim white space
-            getline(uip, token);
-            token.erase(0, token.find_first_not_of(" \n\r\t"));
+            while (uip >> token)
+                value += (" " + token);
 
-            set_option_value(name, token);
+            set_option_value(name, value);
         } else
             push_button(name);
     }
@@ -276,10 +266,8 @@ namespace {
 
     searchMoves[0] = MOVE_NONE;
 
-    while (!uip.eof())
+    while (uip >> token)
     {
-        uip >> token;
-
         if (token == "infinite")
             infinite = true;
         else if (token == "ponder")
@@ -303,18 +291,13 @@ namespace {
         else if (token == "searchmoves")
         {
             int numOfMoves = 0;
-            while (!uip.eof())
-            {
-                uip >> token;
+            while (uip >> token)
                 searchMoves[numOfMoves++] = move_from_string(RootPosition, token);
-            }
+
             searchMoves[numOfMoves] = MOVE_NONE;
         }
     }
 
-    if (moveTime)
-        infinite = true;  // HACK
-
     assert(RootPosition.is_ok());
 
     return think(RootPosition, infinite, ponder, RootPosition.side_to_move(),
@@ -324,18 +307,16 @@ namespace {
   void perft(UCIInputParser& uip) {
 
     string token;
-    int depth = 0;
+    int depth, tm, n;
+    Position pos(RootPosition, RootPosition.thread());
 
-    while (!uip.eof())
-    {
-        uip >> token;
+    if (!(uip >> depth))
+        return;
+
+    tm = get_system_time();
+
+    n = perft(pos, depth * OnePly);
 
-        if (token == "depth")
-            uip >> depth;
-    }
-    Position pos = RootPosition;
-    int tm = get_system_time();
-    int n = perft(pos, depth * OnePly);
     tm = get_system_time() - tm;
     std::cout << "\nNodes " << n
               << "\nTime (ms) " << tm