/// that we exit gracefully if the GUI dies unexpectedly. In addition to the UCI
/// commands, the function also supports a few debug commands.
-void UCI::loop(const string& args) {
+void UCI::loop(int argc, char* argv[]) {
Position pos(StartFEN, false, Threads.main()); // The root position
- string token, cmd = args;
+ string token, cmd;
+
+ for (int i = 1; i < argc; ++i)
+ cmd += std::string(argv[i]) + " ";
do {
- if (args.empty() && !getline(cin, cmd)) // Block here waiting for input
+ if (argc == 1 && !getline(cin, cmd)) // Block here waiting for input
cmd = "quit";
istringstream is(cmd);
else
Search::Limits.ponder = false;
}
- else if (token == "perft" && (is >> token)) // Read perft depth
+ else if (token == "perft" || token == "divide")
{
+ int depth;
stringstream ss;
+ is >> depth;
ss << Options["Hash"] << " "
- << Options["Threads"] << " " << token << " current perft";
+ << Options["Threads"] << " " << depth << " current " << token;
benchmark(pos, ss);
}
<< "position key: " << setw(16) << pos.key()
<< "\nmaterial key: " << setw(16) << pos.material_key()
<< "\npawn key: " << setw(16) << pos.pawn_key()
- << dec << sync_endl;
+ << dec << nouppercase << setfill(' ') << sync_endl;
else if (token == "uci")
sync_cout << "id name " << engine_info(true)
<< "\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 == "eval") 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);
else
sync_cout << "Unknown command: " << cmd << sync_endl;
- } while (token != "quit" && args.empty()); // Args have one-shot behaviour
+ } while (token != "quit" && argc == 1); // Passed args have one-shot behaviour
Threads.wait_for_think_finished(); // Cannot quit whilst the search is running
}