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Allow to call Position::print() from MovePicker

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Fix a recursion issue that gives a stack overflow.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-12-05 09:50:18 +01:00
parent 9f943a132a
commit 268c12bf31
1 changed files with 10 additions and 0 deletions
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10
src/position.cpp
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@ -52,6 +52,7 @@ Key Position::zobSideToMove;
Value Position::MgPieceSquareTable[16][64]; Value Position::MgPieceSquareTable[16][64];
Value Position::EgPieceSquareTable[16][64]; Value Position::EgPieceSquareTable[16][64];
static bool RequestPending = false;
//// ////
//// Functions //// Functions
@ -272,6 +273,13 @@ void Position::print(Move m) const {
static const std::string pieceLetters = " PNBRQK PNBRQK ."; static const std::string pieceLetters = " PNBRQK PNBRQK .";
// Check for reentrancy, as example when called from inside
// MovePicker that is used also here in move_to_san()
if (RequestPending)
return;
RequestPending = true;
std::cout << std::endl; std::cout << std::endl;
if (m != MOVE_NONE) if (m != MOVE_NONE)
{ {
@ -296,6 +304,8 @@ void Position::print(Move m) const {
std::cout << "+---+---+---+---+---+---+---+---+" << std::endl std::cout << "+---+---+---+---+---+---+---+---+" << std::endl
<< "Fen is: " << to_fen() << std::endl << "Fen is: " << to_fen() << std::endl
<< "Key is: " << key << std::endl; << "Key is: " << key << std::endl;
RequestPending = false;
} }