////
#include <cassert>
+#include <cctype>
#include <iostream>
#include <sstream>
#include <string>
#include "move.h"
#include "movegen.h"
#include "position.h"
-#include "san.h"
#include "search.h"
#include "ucioption.h"
UCIParser up(cmd);
string token;
- if (!(up >> token)) // operator>>() skips any whitespace
- return true;
+ up >> token; // operator>>() skips any whitespace
if (token == "quit")
return false;
- if (token == "go")
+ else if (token == "go")
return go(pos, up);
- if (token == "uci")
- {
+ else if (token == "uci")
cout << "id name " << engine_name()
- << "\nid author Tord Romstad, Marco Costalba, Joona Kiiski\n";
- print_uci_options();
- cout << "uciok" << endl;
- }
+ << "\nid author " << engine_authors()
+ << "\n" << Options.print_all()
+ << "\nuciok" << endl;
+
else if (token == "ucinewgame")
pos.from_fen(StartPositionFEN, false);
else if (token == "setoption")
set_option(up);
- // The remaining commands are for debugging purposes only
else if (token == "d")
pos.print();
- else if (token == "flip")
- {
- Position p(pos, pos.thread());
- pos.flipped_copy(p);
- }
else if (token == "eval")
{
- Value evalMargin;
- cout << "Incremental mg: " << mg_value(pos.value())
- << "\nIncremental eg: " << eg_value(pos.value())
- << "\nFull eval: " << evaluate(pos, evalMargin) << endl;
+ read_evaluation_uci_options(pos.side_to_move());
+ cout << trace_evaluate(pos) << endl;
}
+
else if (token == "key")
- cout << "key: " << hex << pos.get_key()
+ cout << "key: " << hex << pos.get_key()
<< "\nmaterial key: " << pos.get_material_key()
- << "\npawn key: " << pos.get_pawn_key() << endl;
+ << "\npawn key: " << pos.get_pawn_key() << endl;
else if (token == "perft")
perft(pos, up);
+ else if (token == "flip")
+ {
+ Position p(pos, pos.thread());
+ pos.flipped_copy(p);
+ }
else
cout << "Unknown command: " << cmd << endl;
void set_position(Position& pos, UCIParser& up) {
- string token;
+ string fen, token;
- if (!(up >> token) || (token != "startpos" && token != "fen"))
- return;
+ up >> token; // operator>>() skips any whitespace
if (token == "startpos")
{
pos.from_fen(StartPositionFEN, false);
- if (!(up >> token))
- return;
+ up >> token; // Consume "moves" token
}
- else // fen
+ else if (token == "fen")
{
- string fen;
while (up >> token && token != "moves")
- {
- fen += token;
- fen += ' ';
- }
+ fen += token + " ";
+
pos.from_fen(fen, Options["UCI_Chess960"].value<bool>());
}
+ else return;
- if (token != "moves")
- return;
-
- // Parse optional move list
- Move move;
- StateInfo st;
+ // Parse move list (if any)
while (up >> token)
- {
- move = move_from_uci(pos, token);
- pos.do_move(move, st);
- if (pos.rule_50_counter() == 0)
- pos.reset_game_ply();
-
- pos.inc_startpos_ply_counter(); //FIXME: make from_fen to support this and rule50
- }
- // Our StateInfo st is about going out of scope so copy
- // its content inside pos before it disappears.
- pos.detach();
+ pos.do_setup_move(move_from_uci(pos, token));
}
void set_option(UCIParser& up) {
- string token, name, value;
-
- if (!(up >> token) || token != "name") // operator>>() skips any whitespace
- return;
+ string value = "true"; // UCI buttons don't have a "value" field
+ string token, name;
- if (!(up >> name))
- return;
+ up >> token; // Consume "name" token
+ up >> name; // Read option name
// Handle names with included spaces
while (up >> token && token != "value")
- name += (" " + token);
-
- if (Options.find(name) == Options.end())
- {
- cout << "No such option: " << name << endl;
- return;
- }
-
- // Is a button ?
- if (token != "value")
- {
- Options[name].set_value("true");
- return;
- }
+ name += " " + token;
- if (!(up >> value))
- return;
+ up >> value; // Read option value
// Handle values with included spaces
while (up >> token)
- value += (" " + token);
+ value += " " + token;
- Options[name].set_value(value);
+ if (Options.find(name) != Options.end())
+ Options[name].set_value(value);
+ else
+ cout << "No such option: " << name << endl;
}
bool go(Position& pos, UCIParser& up) {
string token;
-
- int time[2] = {0, 0}, inc[2] = {0, 0};
- int movesToGo = 0, depth = 0, nodes = 0, moveTime = 0;
- bool infinite = false, ponder = false;
- Move searchMoves[MOVES_MAX];
-
- searchMoves[0] = MOVE_NONE;
+ SearchLimits limits;
+ Move searchMoves[MAX_MOVES] = { MOVE_NONE };
+ Move* cur = searchMoves;
+ int time[] = { 0, 0 }, inc[] = { 0, 0 };
while (up >> token)
{
if (token == "infinite")
- infinite = true;
+ limits.infinite = true;
else if (token == "ponder")
- ponder = true;
+ limits.ponder = true;
else if (token == "wtime")
- up >> time[0];
+ up >> time[WHITE];
else if (token == "btime")
- up >> time[1];
+ up >> time[BLACK];
else if (token == "winc")
- up >> inc[0];
+ up >> inc[WHITE];
else if (token == "binc")
- up >> inc[1];
+ up >> inc[BLACK];
else if (token == "movestogo")
- up >> movesToGo;
+ up >> limits.movesToGo;
else if (token == "depth")
- up >> depth;
+ up >> limits.maxDepth;
else if (token == "nodes")
- up >> nodes;
+ up >> limits.maxNodes;
else if (token == "movetime")
- up >> moveTime;
+ up >> limits.maxTime;
else if (token == "searchmoves")
{
- int numOfMoves = 0;
while (up >> token)
- searchMoves[numOfMoves++] = move_from_uci(pos, token);
+ *cur++ = move_from_uci(pos, token);
- searchMoves[numOfMoves] = MOVE_NONE;
+ *cur = MOVE_NONE;
}
}
assert(pos.is_ok());
- return think(pos, infinite, ponder, time, inc, movesToGo,
- depth, nodes, moveTime, searchMoves);
+ limits.time = time[pos.side_to_move()];
+ limits.increment = inc[pos.side_to_move()];
+
+ return think(pos, limits, searchMoves);
}
void perft(Position& pos, UCIParser& up) {
projects / stockfish / blobdiff