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Rename Position::list

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Use Position::square and Position::squares instead.

This allow us to remove king_square(), simplify
endgames and to have more naming uniformity.

Moreover, this is a prerequisite step in case
in the future we decide to retire piece lists
altoghter and use pop_lsb() to loop across
pieces and serialize the moves. In this way
we just need to change definition of Position::square
to something like:

template<PieceType Pt> inline
Square Position::square(Color c) const {
  return lsb(byColorBB[c]);
}

No functional change.
This commit is contained in:
Marco Costalba
2015-08-04 09:00:52 +02:00
parent 68d61b80c6
commit e6310b3469
6 changed files with 109 additions and 109 deletions
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13
src/position.h
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@@ -105,11 +105,11 @@ public:
Bitboard pieces(Color c, PieceType pt) const;
Bitboard pieces(Color c, PieceType pt1, PieceType pt2) const;
Piece piece_on(Square s) const;
Square king_square(Color c) const;
Square ep_square() const;
bool empty(Square s) const;
template<PieceType Pt> int count(Color c) const;
template<PieceType Pt> const Square* list(Color c) const;
template<PieceType Pt> const Square* squares(Color c) const;
template<PieceType Pt> Square square(Color c) const;
// Castling
int can_castle(Color c) const;
@@ -254,12 +254,13 @@ template<PieceType Pt> inline int Position::count(Color c) const {
return pieceCount[c][Pt];
}
template<PieceType Pt> inline const Square* Position::list(Color c) const {
template<PieceType Pt> inline const Square* Position::squares(Color c) const {
return pieceList[c][Pt];
}
inline Square Position::king_square(Color c) const {
return pieceList[c][KING][0];
template<PieceType Pt> inline Square Position::square(Color c) const {
assert(pieceCount[c][Pt] == 1);
return pieceList[c][Pt][0];
}
inline Square Position::ep_square() const {
@@ -362,7 +363,7 @@ inline void Position::set_nodes_searched(uint64_t n) {
inline bool Position::opposite_bishops() const {
return pieceCount[WHITE][BISHOP] == 1
&& pieceCount[BLACK][BISHOP] == 1
&& opposite_colors(pieceList[WHITE][BISHOP][0], pieceList[BLACK][BISHOP][0]);
&& opposite_colors(square<BISHOP>(WHITE), square<BISHOP>(BLACK));
}
inline bool Position::is_chess960() const {