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manage (none) best move for mate

This commit is contained in:
Baptiste Fouques 2023-02-22 11:41:58 +01:00
parent da6060cf37
commit 71a166c927
2 changed files with 8 additions and 7 deletions
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11
chess_uci/src/uci_command.rs
View File

@ -71,7 +71,7 @@ pub enum EngineCommand {
UciOk,
ReadyOk,
BestMove {
best_move: ChessMove,
best_move: Option<ChessMove>,
ponder: Option<ChessMove>,
},
CopyProtection, // unimplemented
@ -141,16 +141,17 @@ pub fn parse(message: &mut str) -> Result<EngineCommand, &'static str> {
Some("readyok") => unimplemented!(),
Some("bestmove") => match message_iter.collect::<Vec<&str>>().as_slice() {
[] => Err("Empty bestmove command"),
["(none)"] => Ok(EngineCommand::BestMove { best_move: None, ponder: None }),
[chessmove] => Ok(EngineCommand::BestMove {
best_move: ChessMove::from_str(chessmove).expect(&format!("chessmove {:?} is invalid", chessmove)),
best_move: Some(
ChessMove::from_str(chessmove).expect(&format!("chessmove {:?} is invalid", chessmove))),
ponder: None,
}),
[_, "ponder"] => Err("Empty ponder in bestmove command"),
[chessmove, "ponder", chess_ponder] => Ok(EngineCommand::BestMove {
best_move: ChessMove::from_str(chessmove).expect("chessmove is invalid"),
best_move: Some(ChessMove::from_str(chessmove).expect(&format!("chessmove {:?} is invalid", chessmove))),
ponder: Some(
ChessMove::from_str(chess_ponder).expect("chessmove ponder is invalid"),
),
ChessMove::from_str(chess_ponder).expect(&format!("ponder {:?} is invalid", chessmove))),
}),
_ => Err("Invalid chessmove subcommand"),
},

4
chess_uci_demo/src/main.rs
View File

@ -63,11 +63,11 @@ pub fn main() {
uci.push_raw("d\n");
uci.go().expect("can not make engine move");
uci.go();
loop {
match uci.pull() {
Some(EngineCommand::BestMove { best_move, .. }) => {
Some(EngineCommand::BestMove { best_move: Some(best_move), .. }) => {
uci.make_move(&best_move);
break;
}