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Rename move_is_legal() in move_is_pl()

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We disjoint pseudo legal detection from full legal detection.

It will be used by future patches.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2011-05-23 12:04:59 +02:00
parent bc86668ba4
commit 45ce92b89c
5 changed files with 18 additions and 15 deletions
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12
src/position.cpp
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@@ -628,14 +628,14 @@ bool Position::pl_move_is_legal(Move m, Bitboard pinned) const {
/// move and tests whether the move is legal. This version is not very fast and
/// should be used only in non time-critical paths.
bool Position::move_is_legal(const Move m) const {
bool Position::move_is_pl_full(const Move m) const {
MoveStack mlist[MAX_MOVES];
MoveStack *cur, *last = generate<MV_PSEUDO_LEGAL>(*this, mlist);
for (cur = mlist; cur != last; cur++)
if (cur->move == m)
return pl_move_is_legal(m, pinned_pieces(sideToMove));
return true;
return false;
}
@@ -644,10 +644,9 @@ bool Position::move_is_legal(const Move m) const {
/// Fast version of Position::move_is_legal() that takes a position a move and
/// a bitboard of pinned pieces as input, and tests whether the move is legal.
bool Position::move_is_legal(const Move m, Bitboard pinned) const {
bool Position::move_is_pl(const Move m) const {
assert(is_ok());
assert(pinned == pinned_pieces(sideToMove));
Color us = sideToMove;
Color them = opposite_color(sideToMove);
@@ -657,7 +656,7 @@ bool Position::move_is_legal(const Move m, Bitboard pinned) const {
// Use a slower but simpler function for uncommon cases
if (move_is_special(m))
return move_is_legal(m);
return move_is_pl_full(m);
// Is not a promotion, so promotion piece must be empty
if (move_promotion_piece(m) - 2 != PIECE_TYPE_NONE)
@@ -763,8 +762,7 @@ bool Position::move_is_legal(const Move m, Bitboard pinned) const {
}
}
// The move is pseudo-legal, check if it is also legal
return pl_move_is_legal(m, pinned);
return true;
}