X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fuci.cpp;h=6aea40682d98b499f36916e712718a2c5c78483c;hp=95d050f3bcaa66b624f159bc144ebfd4cf974f18;hb=f5727deee3823accf791984836f45db78e3a53e5;hpb=55948623e7b8ad1fc6624cd06733b16d295eecb8

diff --git a/src/uci.cpp b/src/uci.cpp
index 95d050f3..6aea4068 100644
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -39,8 +39,9 @@ namespace {
   // FEN string of the initial position, normal chess
   const char* StartFEN = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
 
-  // Keep track of position keys along the setup moves (from start position to the
-  // position just before to start searching). Needed by repetition draw detection.
+  // Keep a track of the position keys along the setup moves (from the start position
+  // to the position just before the search starts). This is needed by the repetition
+  // draw detection code.
   Search::StateStackPtr SetupStates;
 
   void setoption(istringstream& up);
@@ -69,11 +70,11 @@ void UCI::loop(const string& args) {
 
       if (token == "quit" || token == "stop" || token == "ponderhit")
       {
-          // GUI sends 'ponderhit' to tell us to ponder on the same move the
+          // The GUI sends 'ponderhit' to tell us to ponder on the same move the
           // opponent has played. In case Signals.stopOnPonderhit is set we are
           // waiting for 'ponderhit' to stop the search (for instance because we
           // already ran out of time), otherwise we should continue searching but
-          // switching from pondering to normal search.
+          // switch from pondering to normal search.
           if (token != "ponderhit" || Search::Signals.stopOnPonderhit)
           {
               Search::Signals.stop = true;
@@ -103,6 +104,11 @@ void UCI::loop(const string& args) {
                     << "\n"       << Options
                     << "\nuciok"  << sync_endl;
 
+      else if (token == "eval")
+      {
+          Search::RootColor = pos.side_to_move(); // Ensure it is set
+          sync_cout << Eval::trace(pos) << sync_endl;
+      }
       else if (token == "ucinewgame") TT.clear();
       else if (token == "go")         go(pos, is);
       else if (token == "position")   position(pos, is);
@@ -111,20 +117,19 @@ void UCI::loop(const string& args) {
       else if (token == "bench")      benchmark(pos, is);
       else if (token == "d")          sync_cout << pos.pretty() << sync_endl;
       else if (token == "isready")    sync_cout << "readyok" << sync_endl;
-      else if (token == "eval")       sync_cout << Eval::trace(pos) << sync_endl;
       else
           sync_cout << "Unknown command: " << cmd << sync_endl;
 
   } while (token != "quit" && args.empty()); // Args have one-shot behaviour
 
-  Threads.wait_for_think_finished(); // Cannot quit while search is running
+  Threads.wait_for_think_finished(); // Cannot quit whilst the search is running
 }
 
 
 namespace {
 
   // position() is called when engine receives the "position" UCI command.
-  // The function sets up the position described in the given fen string ("fen")
+  // The function sets up the position described in the given FEN string ("fen")
   // or the starting position ("startpos") and then makes the moves given in the
   // following move list ("moves").