/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008 Marco Costalba
+ Copyright (C) 2008-2009 Marco Costalba
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "movepick.h"
#include "san.h"
-extern SearchStack EmptySearchStack;
+using std::string;
////
//// Local definitions
/// Functions
Ambiguity move_ambiguity(const Position& pos, Move m);
- const std::string time_string(int milliseconds);
- const std::string score_string(Value v);
+ const string time_string(int milliseconds);
+ const string score_string(Value v);
}
/// that the move is a legal move from the position. The return value is
/// a string containing the move in short algebraic notation.
-const std::string move_to_san(const Position& pos, Move m) {
+const string move_to_san(const Position& pos, Move m) {
assert(pos.is_ok());
assert(move_is_ok(m));
to = move_to(m);
pt = type_of_piece(pos.piece_on(move_from(m)));
- std::string san = "";
+ string san = "";
if (m == MOVE_NONE)
return "(none)";
/// the move is returned. On failure (i.e. if the string is unparsable, or
/// if the move is illegal or ambiguous), MOVE_NONE is returned.
-Move move_from_san(const Position& pos, const std::string& movestr) {
+Move move_from_san(const Position& pos, const string& movestr) {
assert(pos.is_ok());
// Normal moves. We use a simple FSM to parse the san string.
enum { START, TO_FILE, TO_RANK, PROMOTION_OR_CHECK, PROMOTION, CHECK, END };
- static const std::string pieceLetters = "KQRBN";
+ static const string pieceLetters = "KQRBN";
PieceType pt = NO_PIECE_TYPE, promotion = NO_PIECE_TYPE;
File fromFile = FILE_NONE, toFile = FILE_NONE;
Rank fromRank = RANK_NONE, toRank = RANK_NONE;
for (size_t i = 0; i < movestr.length(); i++)
{
char type, c = movestr[i];
- if (pieceLetters.find(c) != std::string::npos)
+ if (pieceLetters.find(c) != string::npos)
type = 'P';
else if (c >= 'a' && c <= 'h')
type = 'F';
/// length of 80 characters. After a line break, 'startColumn' spaces are
/// inserted at the beginning of the new line.
-const std::string line_to_san(const Position& pos, Move line[], int startColumn, bool breakLines) {
+const string line_to_san(const Position& pos, Move line[], int startColumn, bool breakLines) {
StateInfo st;
std::stringstream s;
- std::string moveStr;
+ string moveStr;
size_t length = 0;
size_t maxLength = 80 - startColumn;
Position p(pos);
/// It is used to write search information to the log file (which is created
/// when the UCI parameter "Use Search Log" is "true").
-const std::string pretty_pv(const Position& pos, int time, int depth,
- uint64_t nodes, Value score, Move pv[]) {
+const string pretty_pv(const Position& pos, int time, int depth,
+ uint64_t nodes, Value score, Move pv[]) {
std::stringstream s;
// Depth
}
- const std::string time_string(int milliseconds) {
+ const string time_string(int milliseconds) {
std::stringstream s;
s << std::setfill('0');
}
- const std::string score_string(Value v) {
+ const string score_string(Value v) {
std::stringstream s;