スタックオーバーフロー

HSPでは関数呼び出しのスタックと式の計算用スタックが共有。

mes (0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+(0+0)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

#Error 29 in line 1 (???)
-->スタック領域のオーバーフローです

ここから、一番深い位置にある「0+0」を「0」にすると終了時に「問題が発生したため、hsp3.exe を終了します。」というエラーが。
またバッファオーバーフローが発生してる？