X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=parser.l;h=03e0adc716c6a1e6859c97b74f2b139c72c4c568;hb=7e4f4f5718bf4efee8be4abfc981d18cfd6f8438;hp=e35de38fa351c75559cdb9a4083a43281ff8e541;hpb=056614196635a4730170261fe0e638191f14c620;p=xboard.git diff --git a/parser.l b/parser.l index e35de38..03e0adc 100644 --- a/parser.l +++ b/parser.l @@ -1,997 +1,4091 @@ -%a 10000 -%o 10000 -%e 2000 -%k 2500 -%p 7000 -%n 1000 -%{ -/* - * parser.l -- lex parser of algebraic chess moves for XBoard - * $Id: parser.l,v 2.1 2003/10/27 19:21:00 mann Exp $ - * - * Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts. - * Enhancements Copyright 1992-95 Free Software Foundation, Inc. - * - * The following terms apply to Digital Equipment Corporation's copyright - * interest in XBoard: - * ------------------------------------------------------------------------ - * All Rights Reserved - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notice appear in all copies and that - * both that copyright notice and this permission notice appear in - * supporting documentation, and that the name of Digital not be - * used in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * - * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR - * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, - * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * ------------------------------------------------------------------------ - * - * The following terms apply to the enhanced version of XBoard distributed - * by the Free Software Foundation: - * ------------------------------------------------------------------------ - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * ------------------------------------------------------------------------ - */ - -/* This parser handles all forms of promotion. - * The parser resolves ambiguous moves by searching and check-testing. - * It also parses comments of the form [anything] or (anything). - */ - -#include "config.h" - -#define NO_CONSTRAINT -1 -#undef YYLMAX -#define YYLMAX 4096 -#define UNPUT_BUF_SIZE YYLMAX - -#ifdef FLEX_SCANNER -/* yytext is probably a char*, but could be a char[]. yy_text is set - in YY_DECL below, because if yytext is a char*, its value is not - constant. */ -char *yy_text; -#else /*!FLEX_SCANNER*/ -/* yytext is definitely a char[], so yy_text can be set here, statically. */ -char *yy_text = (char *) yytext; -#endif - -#ifdef FLEX_SCANNER -/* This is flex */ -#undef YY_INPUT -#define YY_INPUT(buf, result, max_size) my_yy_input(buf, &result, max_size) -#undef YY_DECL -#define YY_DECL \ - int _yylex YY_PROTO((void)); \ - int yylex YY_PROTO((void)) \ - { \ - int result = _yylex(); \ - yy_text = (char *) yytext; \ - return(result); \ - } \ - int _yylex YY_PROTO((void)) -#else -/* This is lex */ -#undef input -#undef output -#undef unput -#endif - -/* The includes must be here, below the #undef input */ - -#include - -#if STDC_HEADERS -# include -# include -#else /* not STDC_HEADERS */ -# if HAVE_STRING_H -# include -# else /* not HAVE_STRING_H */ -# include -# endif /* not HAVE_STRING_H */ -#endif /* not STDC_HEADERS */ - -#if HAVE_UNISTD_H -# include -#endif - -#if defined(_amigados) -# include -# if HAVE_FCNTL_H -# include /* isatty() prototype */ -# endif /* HAVE_FCNTL_H */ -#endif /* defined(_amigados) */ - -#include "common.h" -#include "backend.h" -#include "frontend.h" -#include "parser.h" -#include "moves.h" - -extern int PosFlags P((int)); - -extern Board boards[MAX_MOVES]; -int yyboardindex; -int yyskipmoves = FALSE; -char currentMoveString[YYLMAX]; -#ifndef FLEX_SCANNER -char unputBuffer[UNPUT_BUF_SIZE]; -int unputCount = 0; -#endif - -#ifdef FLEX_SCANNER -void my_yy_input P((char *buf, int *result, int max_size)); -#else /*!FLEX_SCANNER*/ -static int input P((void)); -static void output P((int ch)); -static void unput P((int ch)); -int yylook P((void)); -int yyback P((int *, int)); -#endif -#undef yywrap -int yywrap P((void)); -extern void CopyBoard P((Board to, Board from)); - -%} -%% - -[RrBbNnQqKkPpACDEFGHMWO][/]?[a-l][0-9][xX:-]?[a-l][0-9](=?\(?[RrBbNnQqKkAaCc]\)?)? { - /* - * Fully-qualified algebraic move, possibly with promotion - * [HGM] Bigger-than-8x8 boards must rely on long algebraic formats - * where I allowed piece types A & C (also as promotions) - * files a-l and ranks 0-9 - */ - int skip1 = 0, skip2 = 0; - ChessSquare piece; - ChessMove result; - - if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ - - /* remove the / */ - if (yytext[1] == '/') skip1 = 1; - - /* remove the [xX:-] */ - if ((yytext[3+skip1] == 'x') || (yytext[3+skip1] == 'X') || - (yytext[3+skip1] == '-') || (yytext[3+skip1] == ':')) skip2 = 1; - - currentMoveString[0] = yytext[1+skip1]; - currentMoveString[1] = yytext[2+skip1]; - currentMoveString[2] = yytext[3+skip1+skip2]; - currentMoveString[3] = yytext[4+skip1+skip2]; - currentMoveString[4] = NULLCHAR; - - if (yyleng-skip1-skip2 > 5) { - if (yytext[yyleng-1] == ')') { - currentMoveString[4] = ToLower(yytext[yyleng-2]); - } else { - currentMoveString[4] = ToLower(yytext[yyleng-1]); - } - currentMoveString[5] = NULLCHAR; - } - - /* [HGM] do not allow values beyond board size */ - if(currentMoveString[1] - ONE >= BOARD_HEIGHT || - currentMoveString[0] - 'a' >= BOARD_WIDTH || - currentMoveString[3] - ONE >= BOARD_HEIGHT || - currentMoveString[2] - 'a' >= BOARD_WIDTH ) - return 0; - - piece = boards[yyboardindex] - [currentMoveString[1] - ONE][currentMoveString[0] - 'a']; - if (ToLower(yytext[0]) != ToLower(PieceToChar(piece))) - return (int) IllegalMove; - - result = LegalityTest(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, - initialRights, /* [HGM] assume all castlings allowed */ - currentMoveString[1] - ONE, - currentMoveString[0] - 'a', - currentMoveString[3] - ONE, - currentMoveString[2] - 'a', - currentMoveString[4]); - - if (currentMoveString[4] == NULLCHAR && - (result == WhitePromotionQueen || result == BlackPromotionQueen)) { - currentMoveString[4] = 'q'; - currentMoveString[5] = NULLCHAR; - } - - return (int) result; -} - -[a-l][0-9][xX:-]?[a-l][0-9](=?\(?[RrBbNnQqKkAaCc]\)?)? { - /* - * Simple algebraic move, possibly with promotion - * [HGM] Bigger-than-8x8 boards must rely on this format - * where I allowed piece types A & C (also as promotions) - * files a-l and ranks 0-9 - */ - int skip = 0; - ChessMove result; - - if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ - - /* remove the [xX:-] */ - if ((yytext[2] == 'x') || (yytext[2] == 'X') || - (yytext[2] == '-') || (yytext[2] == ':')) skip = 1; - - currentMoveString[0] = yytext[0]; - currentMoveString[1] = yytext[1]; - currentMoveString[2] = yytext[2+skip]; - currentMoveString[3] = yytext[3+skip]; - currentMoveString[4] = NULLCHAR; - - if (yyleng-skip > 4) { - if (yytext[yyleng-1] == ')') { - currentMoveString[4] = ToLower(yytext[yyleng-2]); - } else { - currentMoveString[4] = ToLower(yytext[yyleng-1]); - } - currentMoveString[5] = NULLCHAR; - } - - /* [HGM] do not allow values beyond board size */ - if(currentMoveString[1] - ONE >= BOARD_HEIGHT || - currentMoveString[0] - 'a' >= BOARD_WIDTH || - currentMoveString[3] - ONE >= BOARD_HEIGHT || - currentMoveString[2] - 'a' >= BOARD_WIDTH ) - return 0; - - result = LegalityTest(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, - initialRights, /* [HGM] assume all castlings allowed */ - currentMoveString[1] - ONE, - currentMoveString[0] - 'a', - currentMoveString[3] - ONE, - currentMoveString[2] - 'a', - currentMoveString[4]); - - if (currentMoveString[4] == NULLCHAR && - (result == WhitePromotionQueen || result == BlackPromotionQueen)) { - currentMoveString[4] = 'q'; - currentMoveString[5] = NULLCHAR; - } - - return (int) result; -} - -[a-l][0-9](=?\(?[RrBbNnQqKkAaCc]\)?)? { - /* - * Pawn move, possibly with promotion - */ - DisambiguateClosure cl; - int skip = 0; - - if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ - - /* remove the =() */ - if (yytext[2] == '=') skip++; - if (yytext[2+skip] == '(') skip++; - - cl.pieceIn = WhiteOnMove(yyboardindex) ? WhitePawn : BlackPawn; - cl.rfIn = -1; - cl.ffIn = yytext[0] - 'a'; - cl.rtIn = yytext[1] - ONE; - cl.ftIn = yytext[0] - 'a'; - cl.promoCharIn = yytext[2+skip]; - - /* [HGM] do not allow values beyond board size */ - if(cl.rtIn >= BOARD_HEIGHT || - cl.ffIn >= BOARD_WIDTH || - cl.ftIn >= BOARD_WIDTH ) - return 0; - - - Disambiguate(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, &cl); - - currentMoveString[0] = cl.ff + 'a'; - currentMoveString[1] = cl.rf + ONE; - currentMoveString[2] = cl.ft + 'a'; - currentMoveString[3] = cl.rt + ONE; - currentMoveString[4] = cl.promoChar; - currentMoveString[5] = NULLCHAR; - - return (int) cl.kind; -} - - -(ab|bc|cd|de|ef|fg|gh|hi|ij|jk|kl|lk|kj|ji|ih|hg|gf|fe|ed|dc|cb|ba|aa|bb|cc|dd|ee|ff|gg|hh|ii|jj|kk|ll|([a-l][xX:-][a-l]))(=?\(?[RrBbNnQqKkAaCc]\)?)?(ep|"e.p.")? { - /* - * Pawn capture, possibly with promotion, possibly ambiguous - */ - DisambiguateClosure cl; - int skip1 = 0, skip2 = 0; - - if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ - - /* remove trailing ep or e.p. (nonstandard PGN) */ - if (yytext[yyleng-1] == 'p') { - yyleng -= 2; - yytext[yyleng] = NULLCHAR; - } else if (yytext[yyleng-1] == '.') { - yyleng -= 4; - yytext[yyleng] = NULLCHAR; - } - - /* remove the [xX:-] and =() */ - if ((yytext[1] == 'x') || (yytext[1] == 'X') - || (yytext[1] == ':') || (yytext[1] == '-')) skip1 = 1; - if (yytext[2+skip1] == '=') skip2++; - if (yytext[2+skip1+skip2] == '(') skip2++; - - cl.pieceIn = WhiteOnMove(yyboardindex) ? WhitePawn : BlackPawn; - cl.rfIn = -1; - cl.ffIn = yytext[0] - 'a'; - cl.rtIn = -1; - cl.ftIn = yytext[1+skip1] - 'a'; - cl.promoCharIn = yytext[2+skip1+skip2]; - - /* [HGM] do not allow values beyond board size */ - if(cl.ffIn >= BOARD_WIDTH || - cl.ftIn >= BOARD_WIDTH ) - return 0; - - Disambiguate(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, &cl); - - currentMoveString[0] = cl.ff + 'a'; - currentMoveString[1] = cl.rf + ONE; - currentMoveString[2] = cl.ft + 'a'; - currentMoveString[3] = cl.rt + ONE; - currentMoveString[4] = cl.promoChar; - currentMoveString[5] = NULLCHAR; - - return (int) cl.kind; -} - -[a-l][xX:]?[a-l][0-9](=?\(?[RrBbNnQqKkAaCc]\)?)?(ep|"e.p.")? { - /* - * unambiguously abbreviated Pawn capture, possibly with promotion - */ - int skip = 0; - ChessMove result; - - if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ - - /* remove trailing ep or e.p. (nonstandard PGN) */ - if (yytext[yyleng-1] == 'p') { - yyleng -= 2; - yytext[yyleng] = NULLCHAR; - } else if (yytext[yyleng-1] == '.') { - yyleng -= 4; - yytext[yyleng] = NULLCHAR; - } - - /* remove the [xX:-] */ - if ((yytext[1] == 'x') || (yytext[1] == 'X') - || (yytext[1] == ':') || (yytext[1] == '-')) skip = 1; - - currentMoveString[0] = yytext[0]; - currentMoveString[2] = yytext[1+skip]; - currentMoveString[3] = yytext[2+skip]; - - /* [HGM] do not allow values beyond board size */ - if(currentMoveString[0] - 'a' >= BOARD_WIDTH || - currentMoveString[3] - ONE >= BOARD_HEIGHT || - currentMoveString[2] - 'a' >= BOARD_WIDTH ) - return 0; - - if (gameInfo.variant == VariantXiangqi && /* [HGM] In Xiangqi rank stays same */ - currentMoveString[0] != currentMoveString[2] ) { - if (yytext[2+skip] == ONE) return (int) ImpossibleMove; - currentMoveString[1] = yytext[2+skip]; - } else - if (WhiteOnMove(yyboardindex)) { - if (yytext[2+skip] == ONE) return (int) ImpossibleMove; - currentMoveString[1] = yytext[2+skip] - 1; - } else { - currentMoveString[1] = currentMoveString[3] + 1; - if (currentMoveString[3] == ONE+BOARD_HEIGHT-1) return (int) ImpossibleMove; - } - if (yyleng-skip > 3) { - if (yytext[yyleng-1] == ')') - currentMoveString[4] = ToLower(yytext[yyleng-2]); - else - currentMoveString[4] = ToLower(yytext[yyleng-1]); - currentMoveString[5] = NULLCHAR; - } else { - currentMoveString[4] = NULLCHAR; - } - - result = LegalityTest(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, - initialRights, /* [HGM] assume all castlings allowed */ - currentMoveString[1] - ONE, - currentMoveString[0] - 'a', - currentMoveString[3] - ONE, - currentMoveString[2] - 'a', - currentMoveString[4]); - - if (currentMoveString[4] == NULLCHAR && - (result == WhitePromotionQueen || result == BlackPromotionQueen)) { - currentMoveString[4] = 'q'; - currentMoveString[5] = NULLCHAR; - } - - if (result != IllegalMove) return (int) result; - - /* Special case: improperly written en passant capture */ - if (WhiteOnMove(yyboardindex)) { - if (currentMoveString[3] == '5') { - currentMoveString[1] = '5'; - currentMoveString[3] = '6'; - } else { - return (int) IllegalMove; - } - } else { - if (currentMoveString[3] == '4') { - currentMoveString[1] = '4'; - currentMoveString[3] = '3'; - } else { - return (int) IllegalMove; - } - } - - result = LegalityTest(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, - initialRights, /* [HGM] assume all castlings allowed */ - currentMoveString[1] - ONE, - currentMoveString[0] - 'a', - currentMoveString[3] - ONE, - currentMoveString[2] - 'a', - currentMoveString[4]); - - if (result == WhiteCapturesEnPassant || result == BlackCapturesEnPassant) - return (int) result; - else - return (int) IllegalMove; -} - -[RrBbNnQqKkACDEFGHMWO][xX:-]?[a-l][0-9] { - /* - * piece move, possibly ambiguous - */ - DisambiguateClosure cl; - int skip = 0; - - if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ - - /* remove the [xX:-] */ - if ((yytext[1] == 'x') || (yytext[1] == 'X') - || (yytext[1] == ':') || (yytext[1] == '-')) skip = 1; - - if (WhiteOnMove(yyboardindex)) { - cl.pieceIn = CharToPiece(ToUpper(yytext[0])); - } else { - cl.pieceIn = CharToPiece(ToLower(yytext[0])); - } - cl.rfIn = -1; - cl.ffIn = -1; - cl.rtIn = yytext[2+skip] - ONE; - cl.ftIn = yytext[1+skip] - 'a'; - cl.promoCharIn = NULLCHAR; - - /* [HGM] but do not allow values beyond board size */ - if(cl.rtIn >= BOARD_HEIGHT || - cl.ftIn >= BOARD_WIDTH ) - return 0; - - Disambiguate(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, &cl); - - currentMoveString[0] = cl.ff + 'a'; - currentMoveString[1] = cl.rf + ONE; - currentMoveString[2] = cl.ft + 'a'; - currentMoveString[3] = cl.rt + ONE; - currentMoveString[4] = cl.promoChar; - currentMoveString[5] = NULLCHAR; - - return (int) cl.kind; -} - -[RrBbNnQqKkACDEFGHMWO][a-l0-9][xX:-]?[a-l][0-9] { - /* - * piece move with rank or file disambiguator - */ - DisambiguateClosure cl; - int skip = 0; - - if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ - - /* remove the [xX:-] */ - if ((yytext[2] == 'x') || (yytext[2] == 'X') - || (yytext[2] == ':') || (yytext[2] == '-')) skip = 1; - - if (WhiteOnMove(yyboardindex)) { - cl.pieceIn = CharToPiece(ToUpper(yytext[0])); - } else { - cl.pieceIn = CharToPiece(ToLower(yytext[0])); - } - if (isalpha(yytext[1])) { - cl.rfIn = -1; - cl.ffIn = yytext[1] - 'a'; - } else { - cl.rfIn = yytext[1] - ONE; - cl.ffIn = -1; - } - cl.rtIn = yytext[3+skip] - ONE; - cl.ftIn = yytext[2+skip] - 'a'; - cl.promoCharIn = NULLCHAR; - - /* [HGM] do not allow values beyond board size */ - if(cl.rtIn >= BOARD_HEIGHT || - cl.rfIn >= BOARD_HEIGHT || - cl.ffIn >= BOARD_WIDTH || - cl.ftIn >= BOARD_WIDTH ) - return 0; - - Disambiguate(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, &cl); - - currentMoveString[0] = cl.ff + 'a'; - currentMoveString[1] = cl.rf + ONE; - currentMoveString[2] = cl.ft + 'a'; - currentMoveString[3] = cl.rt + ONE; - currentMoveString[4] = cl.promoChar; - currentMoveString[5] = NULLCHAR; - - return (int) cl.kind; -} - -000|0-0-0|ooo|OOO|o-o-o|O-O-O { - int rf, ff, rt, ft; - - if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ - - /* [HGM] all squares referenced to board edges in stead of absolute */ - if (WhiteOnMove(yyboardindex)) { - if (boards[yyboardindex][0][(BOARD_WIDTH-1)>>1] == WhiteKing) { - /* ICS wild castling */ - rf = 0; - ff = (BOARD_WIDTH-1)>>1; - rt = 0; - ft = BOARD_WIDTH-3; - sprintf(currentMoveString, "%c%c%c%c",ff+'a',rf+ONE,ft+'a',rt+ONE); - } else { - rf = 0; - ff = BOARD_WIDTH>>1; - rt = 0; - ft = 2; - sprintf(currentMoveString, "%c%c%c%c",ff+'a',rf+ONE,ft+'a',rt+ONE); - } - } else{ - if (boards[yyboardindex][BOARD_HEIGHT-1][3] == BlackKing) { - /* ICS wild castling */ - rf = BOARD_HEIGHT-1; - ff = (BOARD_WIDTH-1)>>1; - rt = BOARD_HEIGHT-1; - ft = BOARD_WIDTH-3; - sprintf(currentMoveString, "%c%c%c%c",ff+'a',rf+ONE,ft+'a',rt+ONE); - } else { - rf = BOARD_HEIGHT-1; - ff = BOARD_WIDTH>>1; - rt = BOARD_HEIGHT-1; - ft = 2; - sprintf(currentMoveString, "%c%c%c%c",ff+'a',rf+ONE,ft+'a',rt+ONE); - } - } - return (int) LegalityTest(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, - initialRights, /* [HGM] assume all castlings allowed */ - rf, ff, rt, ft, NULLCHAR); -} - -00|0-0|oo|OO|o-o|O-O { - int rf, ff, rt, ft; - - if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ - - if (WhiteOnMove(yyboardindex)) { - if (boards[yyboardindex][0][(BOARD_WIDTH-1)>>1] == WhiteKing) { - /* ICS wild castling */ - rf = 0; - ff = (BOARD_WIDTH-1)>>1; - rt = 0; - ft = 1; - sprintf(currentMoveString, "%c%c%c%c",ff+'a',rf+ONE,ft+'a',rt+ONE); - } else { - rf = 0; - ff = BOARD_WIDTH>>1; - rt = 0; - ft = BOARD_WIDTH-2; - sprintf(currentMoveString, "%c%c%c%c",ff+'a',rf+ONE,ft+'a',rt+ONE); - } - } else { - if (boards[yyboardindex][BOARD_HEIGHT-1][(BOARD_WIDTH-1)>>1] == BlackKing) { - /* ICS wild castling */ - rf = BOARD_HEIGHT-1; - ff = (BOARD_WIDTH-1)>>1; - rt = BOARD_HEIGHT-1; - ft = 1; - sprintf(currentMoveString, "%c%c%c%c",ff+'a',rf+ONE,ft+'a',rt+ONE); - } else { - rf = BOARD_HEIGHT-1; - ff = BOARD_WIDTH>>1; - rt = BOARD_HEIGHT-1; - ft = BOARD_WIDTH-2; - sprintf(currentMoveString, "%c%c%c%c",ff+'a',rf+ONE,ft+'a',rt+ONE); - } - } - return (int) LegalityTest(boards[yyboardindex], - PosFlags(yyboardindex), EP_UNKNOWN, - initialRights, /* [HGM] assume all castlings allowed */ - rf, ff, rt, ft, NULLCHAR); -} - -[PpNnBbRrQqAaCc]@[a-l][0-9] { - /* Bughouse piece drop. No legality checking for now. */ - currentMoveString[1] = '@'; - currentMoveString[2] = yytext[2]; - currentMoveString[3] = yytext[3]; - currentMoveString[4] = NULLCHAR; - - /* [HGM] do not allow values beyond board size */ - if(currentMoveString[1] - ONE >= BOARD_HEIGHT || - currentMoveString[0] - 'a' >= BOARD_WIDTH || - currentMoveString[3] - ONE >= BOARD_HEIGHT || - currentMoveString[2] - 'a' >= BOARD_WIDTH ) - return 0; - - if (WhiteOnMove(yyboardindex)) { - currentMoveString[0] = ToUpper(yytext[0]); - return (int) WhiteDrop; - } else { - currentMoveString[0] = ToLower(yytext[0]); - return (int) BlackDrop; - } -} - -[Rr]esign(s|ed)? { - if (WhiteOnMove(yyboardindex)) - return (int) BlackWins; - else - return (int) WhiteWins; -} - -(([Ww](hite)?)|([Bb](lack)?))" "(([Rr]esign)|([Ff]orfeit))(s|ed)? { - return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins); -} - -(([Ww](hite)?)|([Bb](lack)?))" "[Dd]isconnect(s|ed) { - return (int) GameUnfinished; -} - -[Ss]talemate { - return (int) GameIsDrawn; -} - -"+-+" { - return (int) GameIsDrawn; -} - -([Cc]heck)?[Mm]ate { - if (WhiteOnMove(yyboardindex)) - return (int) BlackWins; - else - return (int) WhiteWins; -} - -"++" { - if (WhiteOnMove(yyboardindex)) - return (int) BlackWins; - else - return (int) WhiteWins; -} - -[Dd]raw(n)?(" "by)?(" "[Rr]epetition)|(" "[Aa]gree(d|ment)) { - return (int) GameIsDrawn; -} - -[Dd]raw(n)?(" (".*")")? { - return (int) GameIsDrawn; -} - -(([Ww](hite)?)|([Bb](lack)?))" "([Mm]ate(s|ed)?)|([Ww][io]n(s)?.*) { - return (int) (ToUpper(yytext[0]) == 'W' ? WhiteWins : BlackWins); -} - -(([Ww](hite)?)|([Bb](lack)?))" "([Mm]ate(s|ed)?)|([Ll]os[tes]+.*) { - return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins); -} - -("{"[^\}\n]*"} ")?(1-0|"1 - 0"|"1/0"|"1 / 0"|"1:0"|"1 : 0")(" (".*")"|" {".*"}")? { - return (int) WhiteWins; -} - -("{"[^\}\n]*"} ")?(0-1|"0 - 1"|"0/1"|"0 / 1"|"0:1"|"0 : 1")(" (".*")"|" {".*"}")? { - return (int) BlackWins; -} - -("{"[^\}\n]*"} ")?("1/2"|"1 / 2")(" "?[-:]" "?("1/2"|"1 / 2"))?(" (".*")"|" {".*"}")? { - return (int) GameIsDrawn; -} - -("{"[^\}\n]*"} ")?"*"(" (".*")"|" {".*"}")? { - return (int) GameUnfinished; -} - -[1-9][0-9]*/"."?[ \t\n]*[a-lNnPpRrBQqKACFEWDGHOo] { - /* move numbers */ - if ((yyleng == 1) && (yytext[0] == '1')) - return (int) MoveNumberOne; -} - -\([0-9]+:[0-9][0-9](\.[0-9]+)?\)|\{[0-9]+:[0-9][0-9](\.[0-9]+)?\} { - /* elapsed time indication, e.g. (0:12) or {10:21.071} */ - return (int) ElapsedTime; -} - -"[--"[^\]]*"--]" { - /* position diagram enclosed in [-- --] */ - return (int) PositionDiagram; -} - -^"{--------------"\n[^\}]*\n"--------------}"$ { - /* position diagram enclosed in {-- --} */ - return (int) PositionDiagram; -} - -\[[ \t\n]*[A-Za-z0-9][A-Za-z0-9_+#=-]*[ \t\n]*\"[^"]*\"[ \t\n]*\] { - return (int) PGNTag; -} - -[Gg](nu|NU)" "?[Cc](hess|HESS).*[Gg](ame|AME) { - return (int) GNUChessGame; -} - -^[#;%]" "[^ ]*(" game file"|" position file").*$ { - return (int) XBoardGame; -} - -\$[0-9]+ { /* numeric annotation glyph */ - return (int) NAG; -} - -\{[^\}]*\} { /* anything in {} */ - return (int) Comment; -} - -;.*$ { /* ; to end of line */ - return (int) Comment; -} - -\[[^\]]*\] { /* anything in [] */ - return (int) Comment; -} - -\([^()]*(\([^()]*\)[^()]*)+[^()]*\) { /* nested () */ - return (int) Comment; -} - -\([^)][^)]+\) { /* >=2 chars in () */ - return (int) Comment; -} - -^[-a-zA-Z0-9]+:" ".*(\n[ \t]+.*)* { - /* Skip mail headers */ -} - -[a-zA-Z0-9'-]+ { - /* Skip random words */ -} - -.|\n { - /* Skip everything else */ -} - -%% - - -static char *StringToLex; - -#ifndef FLEX_SCANNER -static FILE *lexFP; - -static int input() -{ - int ret; - - if (StringToLex != NULL) { - ret = *StringToLex; - if (ret == NULLCHAR) - ret = EOF; - else - StringToLex++; - } else if (unputCount > 0) { - ret = unputBuffer[--unputCount]; - } else { - ret = fgetc(lexFP); - } - - if (ret == EOF) - return 0; - else - return ret; -} - -/* - * Return offset of next pattern within current file - */ -int yyoffset() -{ - int offset = ftell(lexFP) - unputCount; - - if (offset < 0) { - offset = 0; - } - return(offset); -} - -static void output(ch) - int ch; -{ - fprintf(stderr, "PARSER BUG: unmatched character '%c' (0%o)\n", - ch, ch); -} - -static void unput(ch) - int ch; -{ - if (ch == 0) return; - if (StringToLex != NULL) { - StringToLex--; - } else { - if (unputCount >= UNPUT_BUF_SIZE) - fprintf(stderr, "PARSER BUG: unput buffer overflow '%c' (0%o)\n", - ch, ch); - unputBuffer[unputCount++] = ch; - } -} - -/* Get ready to lex from a new file. Kludge below sticks - an artificial newline at the front of the file, which the - above grammar ignores, but which makes ^ at start of pattern - match at the real start of the file. -*/ -void yynewfile(f) - FILE *f; -{ - lexFP = f; - StringToLex = NULL; - unputCount = 0; - unput('\n'); /* kludge */ -} - -/* Get ready to lex from a string. ^ at start of pattern WON'T - match at the start of the string! -*/ -void yynewstr(s) - char *s; -{ - lexFP = NULL; - StringToLex = s; - unputCount = 0; -} -#endif /*!FLEX_SCANNER*/ - -#ifdef FLEX_SCANNER -void my_yy_input(buf, result, max_size) - char *buf; - int *result; - int max_size; -{ - int count; - - if (StringToLex != NULL) { - count = 0; - while (*StringToLex != NULLCHAR) { - *buf++ = *StringToLex++; - count++; - } - *result = count; - return; - } else { - count = fread(buf, 1, max_size, yyin); - if (count == 0) { - *result = YY_NULL; - } else { - *result = count; - } - return; - } -} - -static YY_BUFFER_STATE my_file_buffer = NULL; - -/* - Return offset of next pattern in the current file. -*/ -int yyoffset() -{ - int pos = yy_c_buf_p - yy_current_buffer->yy_ch_buf; - - return(ftell(yy_current_buffer->yy_input_file) - - yy_n_chars + pos); -} - - -void yynewstr(s) - char *s; -{ - if (my_file_buffer != NULL) - yy_delete_buffer(my_file_buffer); - StringToLex = s; - my_file_buffer = yy_create_buffer(stdin, YY_BUF_SIZE); - yy_switch_to_buffer(my_file_buffer); -} - -void yynewfile(f) - FILE *f; -{ - if (my_file_buffer != NULL) - yy_delete_buffer(my_file_buffer); - StringToLex = NULL; - my_file_buffer = yy_create_buffer(f, YY_BUF_SIZE); - yy_switch_to_buffer(my_file_buffer); -} -#endif /*FLEX_SCANNER*/ - -int yywrap() -{ - return TRUE; -} - -/* Parse a move from the given string s */ -/* ^ at start of pattern WON'T work here unless using flex */ -ChessMove yylexstr(boardIndex, s) - int boardIndex; - char *s; -{ - ChessMove ret; - char *oldStringToLex; -#ifdef FLEX_SCANNER - YY_BUFFER_STATE buffer, oldBuffer; -#endif - - yyboardindex = boardIndex; - oldStringToLex = StringToLex; - StringToLex = s; -#ifdef FLEX_SCANNER - buffer = yy_create_buffer(stdin, YY_BUF_SIZE); - oldBuffer = YY_CURRENT_BUFFER; - yy_switch_to_buffer(buffer); -#endif /*FLEX_SCANNER*/ - - ret = (ChessMove) yylex(); - -#ifdef FLEX_SCANNER - if (oldBuffer != NULL) - yy_switch_to_buffer(oldBuffer); - yy_delete_buffer(buffer); -#endif /*FLEX_SCANNER*/ - StringToLex = oldStringToLex; - - return ret; -} +/* A lexical scanner generated by flex */ + +/* Scanner skeleton version: + * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $ + */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 + +#include +#include + +/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ +#ifdef c_plusplus +#ifndef __cplusplus +#define __cplusplus +#endif +#endif + + +#ifdef __cplusplus + +#include +#ifndef _WIN32 +#include +#endif + +/* Use prototypes in function declarations. */ +#define YY_USE_PROTOS + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +#if __STDC__ + +#define YY_USE_PROTOS +#define YY_USE_CONST + +#endif /* __STDC__ */ +#endif /* ! __cplusplus */ + +#ifdef __TURBOC__ + #pragma warn -rch + #pragma warn -use +#include +#include +#define YY_USE_CONST +#define YY_USE_PROTOS +#endif + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + + +#ifdef YY_USE_PROTOS +#define YY_PROTO(proto) proto +#else +#define YY_PROTO(proto) () +#endif + + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN yy_start = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START ((yy_start - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart( yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#define YY_BUF_SIZE 16384 + +typedef struct yy_buffer_state *YY_BUFFER_STATE; + +extern int yyleng; +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + +/* The funky do-while in the following #define is used to turn the definition + * int a single C statement (which needs a semi-colon terminator). This + * avoids problems with code like: + * + * if ( condition_holds ) + * yyless( 5 ); + * else + * do_something_else(); + * + * Prior to using the do-while the compiler would get upset at the + * "else" because it interpreted the "if" statement as being all + * done when it reached the ';' after the yyless() call. + */ + +/* Return all but the first 'n' matched characters back to the input stream. */ + +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + *yy_cp = yy_hold_char; \ + YY_RESTORE_YY_MORE_OFFSET \ + yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, yytext_ptr ) + +/* The following is because we cannot portably get our hands on size_t + * (without autoconf's help, which isn't available because we want + * flex-generated scanners to compile on their own). + */ +typedef unsigned int yy_size_t; + + +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + }; + +static YY_BUFFER_STATE yy_current_buffer = 0; + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + */ +#define YY_CURRENT_BUFFER yy_current_buffer + + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; + +static int yy_n_chars; /* number of characters read into yy_ch_buf */ + + +int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 1; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart YY_PROTO(( FILE *input_file )); + +void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer )); +void yy_load_buffer_state YY_PROTO(( void )); +YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size )); +void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); +void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file )); +void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b )); +#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer ) + +YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size )); +YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str )); +YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len )); + +static void *yy_flex_alloc YY_PROTO(( yy_size_t )); +static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t )); +static void yy_flex_free YY_PROTO(( void * )); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! yy_current_buffer ) \ + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ + yy_current_buffer->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! yy_current_buffer ) \ + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ + yy_current_buffer->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (yy_current_buffer->yy_at_bol) + + +#define YY_USES_REJECT +typedef unsigned char YY_CHAR; +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; +typedef int yy_state_type; +extern char *yytext; +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state YY_PROTO(( void )); +static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state )); +static int yy_get_next_buffer YY_PROTO(( void )); +static void yy_fatal_error YY_PROTO(( yyconst char msg[] )); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + yytext_ptr = yy_bp; \ + yyleng = (int) (yy_cp - yy_bp); \ + yy_hold_char = *yy_cp; \ + *yy_cp = '\0'; \ + yy_c_buf_p = yy_cp; + +#define YY_NUM_RULES 42 +#define YY_END_OF_BUFFER 43 +static yyconst short int yy_acclist[709] = + { 0, + 43, 41, 42, 41, 42, 41, 42, 40, 41, 42, + 41, 42, 25, 41, 42, 41, 42, 40, 41, 42, + 40, 41, 42,16410, 40, 41, 42,16410, 41, 42, + 40, 41, 42, 40, 41, 42, 40, 41, 42, 40, + 41, 42, 40, 41, 42, 40, 41, 42, 40, 41, + 42, 40, 41, 42, 40, 41, 42, 40, 41, 42, + 40, 41, 42, 40, 41, 42, 40, 41, 42, 41, + 42, 40, 41, 42, 40, 41, 42, 40, 41, 42, + 40, 41, 42, 40, 41, 42, 40, 41, 42, 40, + 41, 42, 40, 41, 42, 40, 41, 42, 40, 41, + + 42, 40, 41, 42, 40, 41, 42, 40, 41, 42, + 40, 41, 42, 40, 41, 42, 41, 42, 41, 42, + 40, 41, 42, 40, 41, 42, 40, 41, 42,16410, + 40, 41, 42,16410, 41, 42, 40, 41, 42, 40, + 41, 42, 40, 41, 42, 40, 41, 42, 40, 41, + 42, 40, 41, 42, 40, 41, 42, 40, 41, 42, + 40, 41, 42, 40, 41, 42, 40, 41, 42, 40, + 41, 42, 40, 41, 42, 40, 41, 42, 40, 41, + 42, 40, 41, 42, 40, 41, 42, 40, 41, 42, + 40, 41, 42, 40, 41, 42, 40, 41, 42, 40, + + 41, 42, 40, 41, 42, 40, 41, 42, 40, 41, + 42, 40, 41, 42, 40, 41, 42, 40, 41, 42, + 41, 42, 33, 40, 17, 40, 9, 40, 40, 40, + 16410, 8218, 40, 35, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 9, 40, 40, 40, 40, + 40, 40, 40, 36, 40, 3, 40, 40, 4, 40, + 40, 40, 3, 40, 40, 4, 40, 40, 40, 40, + 40, 40, 9, 40, 40, 34, 40, 40, 9, 40, + 40, 40,16410, 8218, 40, 40, 40, 40, 40, 40, + 40, 40, 40, 40, 40, 40, 9, 40, 40, 40, + + 40, 40, 40, 40, 40, 3, 40, 40, 4, 40, + 40, 40, 3, 40, 40, 4, 40, 40, 40, 40, + 40, 40, 9, 40, 40, 15, 9, 40, 23, 40, + 23, 8, 40, 8218, 22, 40, 22, 24, 40, 40, + 40, 6, 40, 40, 40, 40, 40, 40, 40, 9, + 40, 40, 40, 40, 40, 20, 40, 4, 40, 40, + 3, 40, 3, 40, 40, 4, 5, 40, 4, 40, + 40, 4, 40, 40, 3, 40, 40, 4, 4, 40, + 5, 6, 40, 4, 40, 40, 40, 9, 40, 40, + 34, 39, 9, 40, 23, 40, 8, 40, 22, 40, + + 35, 40, 40, 40, 6, 40, 40, 40, 40, 40, + 40, 40, 9, 40, 40, 40, 40, 40, 20, 40, + 4, 40, 40, 3, 40, 3, 40, 40, 5, 40, + 4, 40, 40, 4, 40, 40, 3, 40, 40, 4, + 40, 5, 6, 40, 4, 40, 40, 40, 9, 40, + 40, 38, 38, 37, 25, 25, 40, 6, 40, 7, + 40, 6, 10, 40, 40, 40, 40, 19, 40, 40, + 21, 40, 16, 40, 40, 40, 40, 40, 20, 20, + 40, 20, 40, 36, 3, 3, 2, 40, 5, 4, + 5, 40, 40, 4, 4, 40, 2, 7, 40, 5, + + 6, 5, 6, 40, 5, 40, 40, 40, 25, 39, + 40, 6, 40, 7, 40, 40, 40, 40, 40, 19, + 40, 40, 21, 40, 16, 40, 40, 40, 40, 40, + 20, 40, 20, 20, 40, 2, 40, 5, 40, 40, + 4, 40, 2, 7, 40, 5, 6, 40, 5, 40, + 40, 40, 7, 1, 40, 40, 40, 19, 40, 40, + 40, 21, 21, 40, 21, 40, 40, 40, 40, 30, + 36, 2, 2, 40, 5, 4, 5, 5, 40, 2, + 7, 39, 1, 40, 40, 40, 19, 40, 40, 40, + 21, 40, 21, 21, 40, 40, 40, 40, 20, 39, + + 2, 40, 5, 40, 27, 38, 23, 23, 22, 22, + 24, 24, 1, 1, 40, 20, 21, 40, 40, 40, + 11, 40, 40, 28, 36, 30, 2, 2, 5, 27, + 34, 39, 39, 1, 40, 40, 40, 40, 21, 39, + 11, 40, 40, 20, 39, 18, 24, 1, 1, 20, + 21, 19, 40, 40, 40, 11, 40, 40, 40, 40, + 21, 39, 40, 11, 40, 40, 12, 40, 40, 40, + 40, 12, 40, 40, 14, 40, 40, 40, 14, 40, + 40, 40, 39, 40, 40, 40, 40, 39, 39, 40, + 40, 31, 40, 39, 39, 31, 40, 13, 31, 32, + + 32, 35, 39, 39, 31, 39, 34, 29 + } ; + +static yyconst short int yy_accept[736] = + { 0, + 1, 1, 1, 2, 4, 6, 8, 11, 13, 16, + 18, 21, 25, 29, 31, 34, 37, 40, 43, 46, + 49, 52, 55, 58, 61, 64, 67, 70, 72, 75, + 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, + 108, 111, 114, 117, 119, 121, 124, 127, 131, 135, + 137, 140, 143, 146, 149, 152, 155, 158, 161, 164, + 167, 170, 173, 176, 179, 182, 185, 188, 191, 194, + 197, 200, 203, 206, 209, 212, 215, 218, 221, 223, + 223, 224, 225, 225, 225, 225, 225, 226, 226, 226, + 227, 227, 229, 229, 229, 229, 230, 230, 230, 232, + + 232, 234, 234, 235, 236, 236, 237, 237, 237, 238, + 238, 239, 240, 241, 242, 243, 244, 245, 246, 248, + 249, 250, 251, 252, 253, 254, 254, 254, 254, 254, + 255, 256, 258, 258, 259, 261, 262, 263, 265, 265, + 266, 268, 269, 270, 271, 272, 273, 275, 276, 276, + 276, 276, 277, 277, 278, 278, 279, 281, 281, 282, + 284, 284, 286, 286, 287, 288, 288, 289, 290, 291, + 292, 293, 294, 295, 296, 297, 299, 300, 301, 302, + 303, 304, 305, 306, 308, 308, 309, 311, 312, 313, + 315, 315, 316, 318, 319, 320, 321, 322, 323, 325, + + 326, 326, 326, 326, 326, 326, 326, 326, 326, 326, + 326, 326, 327, 327, 327, 327, 329, 331, 332, 334, + 335, 335, 335, 335, 337, 338, 339, 340, 340, 341, + 341, 342, 342, 342, 344, 344, 344, 344, 344, 345, + 346, 347, 348, 349, 350, 352, 353, 354, 355, 356, + 358, 358, 358, 358, 358, 360, 360, 361, 361, 361, + 363, 365, 366, 367, 367, 369, 369, 371, 372, 374, + 375, 375, 377, 378, 379, 381, 384, 386, 387, 388, + 390, 391, 392, 392, 392, 392, 392, 393, 395, 397, + 399, 401, 401, 402, 402, 403, 404, 404, 405, 407, + + 408, 409, 410, 411, 412, 413, 415, 416, 417, 418, + 419, 421, 423, 424, 424, 426, 428, 429, 431, 433, + 434, 436, 437, 437, 439, 440, 442, 445, 447, 448, + 449, 451, 452, 452, 452, 453, 454, 454, 454, 455, + 455, 455, 456, 456, 457, 457, 457, 457, 458, 458, + 458, 458, 458, 458, 458, 458, 460, 460, 460, 462, + 463, 464, 465, 465, 466, 466, 466, 466, 466, 467, + 468, 470, 470, 471, 473, 475, 476, 477, 478, 479, + 480, 482, 484, 484, 484, 484, 484, 485, 486, 486, + 487, 489, 490, 491, 491, 491, 491, 493, 494, 495, + + 495, 497, 497, 500, 502, 505, 507, 508, 509, 509, + 510, 510, 510, 510, 510, 511, 511, 512, 512, 512, + 514, 516, 517, 517, 518, 519, 520, 522, 523, 525, + 527, 528, 529, 530, 531, 533, 534, 536, 538, 540, + 541, 543, 546, 549, 551, 552, 553, 553, 553, 553, + 553, 553, 553, 553, 553, 553, 553, 553, 553, 553, + 554, 556, 556, 556, 556, 556, 557, 558, 558, 560, + 560, 561, 562, 563, 565, 567, 568, 569, 570, 570, + 570, 572, 572, 572, 573, 573, 573, 575, 576, 576, + 577, 578, 578, 580, 580, 582, 582, 582, 582, 582, + + 582, 582, 583, 583, 583, 585, 586, 587, 589, 590, + 591, 593, 594, 596, 597, 598, 599, 601, 603, 605, + 605, 605, 607, 607, 607, 608, 608, 609, 609, 610, + 610, 611, 611, 612, 612, 613, 613, 613, 614, 614, + 614, 616, 616, 616, 618, 618, 619, 619, 619, 619, + 619, 619, 620, 621, 623, 624, 626, 626, 627, 628, + 629, 630, 630, 630, 632, 632, 632, 633, 634, 634, + 634, 636, 637, 638, 639, 641, 643, 644, 646, 646, + 647, 647, 647, 647, 648, 649, 650, 650, 650, 650, + 652, 652, 652, 653, 653, 653, 653, 653, 654, 655, + + 656, 658, 659, 659, 659, 659, 659, 659, 660, 661, + 663, 664, 666, 667, 667, 667, 667, 667, 667, 667, + 668, 668, 668, 668, 668, 669, 670, 670, 670, 670, + 670, 671, 672, 672, 672, 672, 672, 673, 673, 673, + 673, 674, 675, 677, 677, 677, 677, 677, 678, 678, + 679, 681, 681, 681, 681, 681, 682, 683, 683, 683, + 683, 683, 684, 685, 686, 686, 686, 686, 686, 686, + 687, 688, 688, 688, 688, 688, 689, 690, 691, 692, + 692, 692, 692, 692, 692, 694, 694, 694, 694, 694, + 695, 696, 698, 698, 698, 699, 699, 700, 700, 701, + + 701, 701, 703, 703, 704, 705, 705, 705, 705, 705, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 707, 707, 707, 707, 707, 707, 707, 707, + 707, 707, 708, 709, 709 + } ; + +static yyconst int yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 4, 1, 5, 6, 7, 8, 1, 9, 10, + 11, 12, 13, 1, 14, 15, 16, 17, 18, 19, + 20, 20, 20, 20, 20, 20, 20, 21, 22, 1, + 23, 1, 1, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 33, 43, 33, 44, 45, 33, 33, + 46, 1, 47, 1, 48, 1, 49, 50, 51, 52, + + 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, + 63, 64, 40, 65, 66, 67, 68, 33, 69, 45, + 70, 33, 71, 1, 72, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst int yy_meta[73] = + { 0, + 1, 2, 3, 2, 1, 1, 1, 1, 4, 5, + 6, 1, 1, 7, 1, 1, 8, 8, 8, 8, + 9, 1, 10, 1, 11, 11, 11, 12, 12, 12, + 12, 12, 4, 11, 4, 4, 11, 12, 12, 11, + 11, 4, 4, 12, 7, 1, 1, 1, 13, 13, + 13, 14, 15, 14, 14, 14, 14, 14, 13, 14, + 4, 11, 12, 12, 11, 4, 4, 4, 4, 4, + 1, 1 + } ; + +static yyconst short int yy_base[824] = + { 0, + 0, 72, 2710, 5057, 120, 129, 0, 140, 2705, 138, + 149, 169, 160, 2705, 226, 157, 2651, 151, 2679, 130, + 2639, 131, 227, 271, 2648, 2633, 244, 331, 390, 447, + 203, 239, 332, 338, 375, 340, 370, 428, 430, 249, + 2650, 201, 254, 397, 2694, 147, 253, 506, 344, 257, + 568, 189, 2641, 229, 2672, 339, 294, 248, 335, 620, + 2642, 284, 574, 667, 724, 318, 640, 555, 608, 709, + 590, 610, 690, 746, 761, 462, 449, 644, 577, 2639, + 455, 0, 2683, 303, 781, 309, 5057, 2679, 439, 354, + 2673, 2673, 2671, 419, 692, 2671, 491, 160, 809, 2670, + + 0, 2683, 5057, 782, 0, 829, 0, 0, 499, 862, + 712, 582, 2636, 2641, 2615, 2616, 736, 2640, 2639, 717, + 797, 2627, 769, 829, 2613, 2627, 927, 336, 999, 5057, + 1023, 1074, 0, 1091, 1142, 834, 1159, 1206, 0, 1218, + 1265, 838, 847, 842, 2606, 2609, 2608, 2613, 303, 2597, + 890, 2664, 2663, 572, 2662, 594, 633, 298, 634, 1324, + 401, 688, 429, 1386, 1433, 2661, 851, 927, 900, 903, + 751, 689, 892, 946, 2626, 946, 951, 960, 973, 968, + 972, 690, 1445, 1496, 2659, 1513, 1565, 1010, 1582, 1629, + 2658, 1641, 1688, 1018, 1036, 1040, 972, 1003, 1023, 694, + + 804, 2596, 446, 503, 518, 2649, 542, 1153, 1167, 2648, + 2586, 5057, 2649, 2648, 2647, 2636, 2643, 2638, 0, 5057, + 2632, 2627, 2626, 2625, 2624, 808, 1023, 1045, 1073, 0, + 1072, 1085, 1136, 1735, 2570, 2563, 2576, 2571, 1179, 1229, + 2554, 1154, 930, 2569, 2607, 0, 2563, 2559, 1214, 1795, + 569, 1240, 605, 1867, 1930, 0, 1947, 0, 2608, 2606, + 1218, 1204, 1278, 0, 1998, 2606, 755, 398, 1272, 2015, + 0, 1288, 1317, 1395, 1379, 2062, 1405, 1391, 2564, 2600, + 2546, 5057, 1446, 750, 2608, 127, 2608, 885, 1185, 996, + 1447, 789, 2606, 1238, 1410, 2114, 2602, 1452, 2161, 1602, + + 1652, 1181, 1707, 1458, 1506, 1412, 0, 1100, 1179, 1637, + 2221, 2285, 2302, 2601, 1101, 1701, 1706, 2353, 1523, 1580, + 1383, 2370, 2600, 1742, 1748, 1457, 2417, 1803, 1816, 1411, + 1499, 1608, 1103, 2550, 5057, 817, 834, 2591, 5057, 1828, + 2590, 2589, 2527, 2526, 2579, 2578, 2577, 2577, 388, 2576, + 349, 2575, 890, 1761, 1029, 0, 1326, 1560, 0, 5057, + 5057, 2429, 1436, 1590, 2525, 2525, 2522, 2522, 2528, 2522, + 815, 503, 841, 2489, 0, 2542, 2524, 2525, 2522, 0, + 2561, 2633, 858, 907, 910, 1727, 2565, 2553, 1645, 5057, + 2696, 1760, 1085, 618, 1805, 2549, 1241, 1003, 2505, 2493, + + 0, 1759, 0, 1834, 2752, 1875, 1834, 2491, 1882, 2549, + 1901, 1902, 2503, 2488, 2547, 434, 1522, 653, 953, 1219, + 1291, 2809, 2545, 1912, 1875, 1888, 1899, 1572, 2869, 1505, + 1519, 1604, 1898, 1915, 2941, 2544, 3013, 3077, 1916, 1951, + 1591, 0, 3133, 1967, 2025, 1841, 1663, 2494, 2535, 1637, + 2534, 2472, 2532, 2469, 2529, 2467, 2520, 1748, 1924, 5057, + 3189, 2483, 2479, 2479, 2474, 2526, 1268, 1972, 2525, 870, + 2498, 2473, 0, 3254, 3326, 2463, 2463, 2519, 1299, 1946, + 5057, 2515, 1971, 1097, 1394, 1506, 2508, 1319, 1239, 5057, + 2454, 2439, 0, 2483, 1817, 2013, 2474, 1582, 2448, 2400, + + 2393, 1048, 1250, 1594, 3389, 2005, 2020, 2073, 2069, 1937, + 3454, 2440, 3526, 2041, 1956, 2075, 2440, 2084, 2010, 2077, + 430, 5057, 2114, 2425, 2424, 2360, 2345, 2405, 2403, 2341, + 2339, 2397, 2394, 2328, 2326, 2379, 2373, 1850, 2076, 2077, + 2380, 2325, 2315, 2035, 2311, 2293, 2330, 2286, 2267, 2304, + 2279, 2288, 2263, 2044, 2278, 5057, 2008, 5057, 2312, 5057, + 5057, 2306, 2123, 2296, 2238, 2232, 2283, 1861, 872, 1450, + 2118, 2127, 2135, 2136, 2278, 2137, 2129, 2273, 2177, 5057, + 2187, 2142, 2203, 2200, 2177, 5057, 2125, 2129, 2103, 5057, + 2089, 2136, 2126, 2064, 2105, 2066, 1992, 2011, 1986, 1984, + + 0, 1960, 2180, 1990, 1924, 1065, 1113, 2229, 2175, 1960, + 2172, 2083, 2180, 2191, 1900, 1933, 1299, 1883, 1859, 2126, + 1806, 1072, 1787, 1760, 3598, 1728, 1719, 1697, 1506, 1747, + 3670, 2230, 2232, 1665, 1664, 1616, 5057, 1582, 1880, 1999, + 3742, 2081, 0, 1530, 1479, 1752, 1163, 3814, 2244, 2160, + 2244, 2252, 1487, 1478, 2229, 1476, 1419, 1392, 1372, 1591, + 1710, 2254, 1312, 1271, 2256, 1158, 1136, 2225, 2227, 1106, + 942, 906, 918, 1045, 1456, 2259, 2315, 875, 756, 2293, + 2211, 733, 2243, 2248, 0, 701, 584, 603, 1827, 2312, + 2314, 0, 2299, 538, 5057, 421, 2242, 473, 5057, 304, + + 315, 5057, 2151, 2378, 2346, 2302, 234, 206, 1795, 2379, + 2317, 203, 1623, 1642, 1664, 1887, 2369, 2370, 2382, 2383, + 2434, 2436, 2437, 2442, 2443, 2444, 2446, 2449, 2450, 2514, + 2030, 159, 5057, 5057, 3883, 3898, 3913, 3928, 3943, 3955, + 3970, 3985, 3999, 4002, 4005, 4008, 4023, 4038, 4041, 4044, + 4059, 4074, 4086, 4101, 4116, 4131, 4146, 4161, 4176, 4191, + 4194, 4209, 4224, 4239, 4254, 4269, 1899, 4272, 4283, 2048, + 4286, 4301, 4316, 4328, 4343, 4358, 4373, 4388, 4403, 4418, + 4433, 4448, 4457, 4472, 4487, 4502, 4517, 4532, 4547, 4562, + 4573, 4588, 4603, 4618, 4633, 4648, 4663, 4678, 4693, 4708, + + 4723, 4738, 4753, 4768, 4783, 4798, 4813, 4828, 4839, 4852, + 4867, 4882, 4897, 4908, 4921, 4936, 4951, 4966, 4981, 4996, + 5011, 5026, 5041 + } ; + +static yyconst short int yy_def[824] = + { 0, + 734, 734, 734, 734, 734, 734, 735, 736, 734, 734, + 735, 734, 12, 737, 735, 15, 15, 15, 15, 15, + 735, 15, 15, 735, 15, 735, 15, 738, 15, 15, + 29, 29, 29, 29, 29, 29, 29, 29, 30, 29, + 735, 735, 735, 739, 734, 740, 740, 734, 48, 737, + 740, 51, 51, 51, 51, 51, 740, 51, 51, 740, + 51, 740, 51, 51, 51, 64, 64, 64, 64, 64, + 64, 64, 64, 65, 64, 740, 740, 740, 739, 734, + 734, 735, 741, 742, 741, 734, 734, 734, 734, 735, + 734, 735, 734, 743, 743, 735, 743, 734, 12, 734, + + 735, 737, 734, 735, 744, 735, 745, 746, 106, 734, + 106, 106, 735, 735, 735, 735, 106, 104, 735, 735, + 106, 735, 106, 106, 735, 747, 738, 747, 748, 734, + 735, 735, 749, 735, 735, 735, 735, 132, 750, 735, + 135, 106, 106, 735, 735, 735, 735, 735, 739, 751, + 739, 734, 752, 753, 734, 753, 753, 734, 753, 734, + 734, 753, 754, 753, 164, 745, 165, 165, 165, 753, + 753, 753, 753, 165, 164, 753, 753, 165, 753, 165, + 165, 753, 164, 164, 749, 164, 753, 753, 164, 184, + 750, 164, 187, 165, 165, 753, 753, 753, 753, 753, + + 739, 734, 755, 756, 756, 757, 758, 755, 755, 759, + 760, 734, 734, 734, 734, 735, 735, 734, 735, 734, + 734, 734, 734, 735, 734, 734, 735, 734, 106, 761, + 735, 734, 734, 735, 734, 734, 734, 734, 735, 735, + 735, 735, 735, 735, 735, 234, 735, 735, 735, 762, + 763, 764, 765, 766, 735, 767, 735, 768, 767, 735, + 735, 735, 769, 770, 735, 770, 735, 735, 255, 735, + 771, 735, 735, 770, 255, 265, 735, 735, 735, 735, + 735, 734, 739, 734, 772, 734, 773, 774, 774, 774, + 774, 775, 772, 776, 774, 774, 761, 774, 296, 774, + + 774, 774, 774, 774, 774, 774, 299, 774, 774, 774, + 777, 774, 296, 768, 774, 774, 774, 312, 774, 774, + 312, 296, 771, 774, 774, 312, 318, 774, 774, 774, + 774, 774, 739, 734, 734, 778, 778, 779, 734, 780, + 781, 781, 782, 782, 734, 734, 734, 735, 734, 734, + 734, 734, 734, 734, 734, 735, 783, 734, 735, 734, + 734, 735, 783, 735, 734, 734, 734, 734, 735, 735, + 735, 734, 735, 784, 735, 735, 735, 735, 735, 785, + 786, 786, 787, 787, 788, 789, 790, 734, 734, 734, + 735, 791, 734, 734, 791, 395, 735, 735, 734, 734, + + 735, 734, 391, 395, 391, 735, 735, 735, 739, 734, + 734, 734, 734, 734, 792, 734, 774, 793, 793, 774, + 774, 774, 363, 774, 774, 774, 774, 774, 794, 774, + 774, 774, 774, 774, 795, 785, 795, 774, 774, 774, + 774, 438, 438, 774, 774, 774, 739, 734, 796, 797, + 798, 799, 800, 801, 802, 803, 734, 734, 734, 734, + 735, 734, 734, 734, 734, 735, 735, 734, 735, 734, + 735, 735, 804, 805, 805, 735, 735, 735, 806, 807, + 734, 808, 734, 809, 809, 809, 735, 734, 734, 734, + 734, 734, 735, 734, 809, 739, 734, 734, 734, 734, + + 734, 810, 811, 811, 438, 774, 774, 774, 774, 774, + 812, 804, 812, 774, 774, 774, 813, 774, 774, 739, + 734, 734, 797, 798, 798, 799, 799, 800, 800, 801, + 801, 802, 802, 803, 803, 734, 734, 814, 814, 814, + 735, 734, 734, 734, 734, 735, 815, 734, 734, 734, + 734, 735, 735, 735, 735, 734, 734, 734, 734, 734, + 734, 734, 739, 734, 734, 734, 810, 810, 811, 811, + 774, 774, 774, 774, 816, 774, 774, 813, 739, 734, + 734, 797, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 815, 815, 734, 734, 734, 734, 735, 735, 735, + + 735, 735, 739, 734, 734, 811, 811, 774, 774, 816, + 774, 774, 774, 739, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 817, 735, 734, 734, 811, 811, + 818, 774, 739, 734, 734, 734, 734, 734, 819, 819, + 817, 641, 735, 734, 734, 811, 811, 818, 819, 648, + 774, 739, 734, 734, 819, 641, 641, 734, 734, 811, + 811, 820, 648, 648, 739, 734, 734, 819, 819, 641, + 641, 734, 734, 811, 811, 820, 820, 648, 648, 739, + 734, 734, 819, 819, 641, 821, 734, 822, 811, 820, + 820, 648, 739, 734, 734, 734, 819, 821, 734, 734, + + 822, 734, 811, 820, 820, 739, 734, 734, 811, 820, + 739, 734, 811, 739, 823, 823, 823, 823, 823, 823, + 823, 823, 823, 823, 823, 823, 823, 823, 823, 823, + 823, 734, 734, 0, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734 + } ; + +static yyconst short int yy_nxt[5130] = + { 0, + 4, 4, 4, 5, 4, 4, 6, 4, 7, 8, + 4, 9, 10, 7, 4, 4, 11, 12, 13, 13, + 4, 14, 4, 4, 15, 16, 17, 18, 19, 19, + 20, 19, 7, 19, 21, 22, 15, 23, 24, 15, + 25, 26, 7, 27, 7, 28, 4, 4, 29, 30, + 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, + 41, 15, 42, 24, 25, 26, 7, 7, 43, 7, + 44, 4, 4, 4, 4, 5, 4, 45, 6, 45, + 7, 8, 4, 9, 10, 46, 4, 4, 47, 48, + 49, 49, 4, 50, 4, 4, 51, 52, 53, 54, + + 55, 55, 56, 55, 46, 55, 57, 58, 51, 59, + 60, 51, 61, 62, 46, 63, 46, 28, 4, 4, + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, + 74, 75, 76, 51, 77, 60, 61, 62, 46, 46, + 78, 46, 79, 4, 80, 81, 81, 81, 81, 84, + 87, 88, 89, 734, 734, 82, 85, 85, 85, 85, + 110, 733, 90, 94, 91, 92, 114, 155, 80, 93, + 94, 94, 95, 82, 734, 734, 225, 82, 226, 117, + 734, 413, 96, 97, 98, 99, 99, 99, 99, 100, + 414, 115, 110, 101, 101, 101, 101, 101, 101, 101, + + 101, 82, 101, 82, 82, 101, 101, 101, 101, 101, + 82, 82, 101, 82, 146, 113, 111, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 82, + 101, 101, 101, 101, 82, 82, 82, 82, 82, 104, + 118, 105, 106, 106, 106, 106, 107, 110, 168, 108, + 734, 136, 734, 135, 135, 686, 89, 110, 144, 103, + 163, 82, 734, 147, 119, 712, 156, 734, 91, 157, + 104, 734, 734, 158, 109, 109, 109, 109, 109, 109, + 109, 109, 109, 109, 109, 109, 105, 136, 136, 135, + 135, 135, 82, 170, 108, 580, 174, 136, 136, 123, + + 124, 287, 82, 113, 155, 150, 125, 135, 135, 148, + 125, 116, 206, 207, 155, 218, 125, 702, 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541, 734, 734, 734, 734, + 734, 734, 541, 734, 734, 541, 734, 734, 541, 541, + 734, 734, 734, 734, 734, 734, 734, 541, 541, 541, + 734, 734, 734, 734, 734, 734, 734, 541, 734, 734, + 541, 734, 734, 541, 473, 473, 734, 473, 473, 473, + 473, 473, 734, 473, 473, 473, 473, 734, 473, 473, + 734, 734, 734, 734, 473, 473, 473, 473, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 473, + + 473, 473, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 473, 473, 473, 473, 734, 473, + 473, 473, 473, 473, 734, 473, 473, 473, 473, 734, + 473, 473, 734, 734, 734, 734, 473, 473, 473, 473, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 473, 473, 473, 734, 734, 734, 734, 475, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 475, 475, 734, 734, 734, 473, 473, 539, 734, + + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 540, 734, 571, 571, 571, 734, 734, 734, 734, + 734, 734, 571, 734, 734, 571, 734, 734, 571, 571, + 734, 734, 734, 734, 734, 734, 734, 571, 571, 571, + 734, 734, 734, 734, 734, 734, 734, 571, 734, 734, + 571, 734, 734, 571, 473, 473, 734, 473, 473, 473, + 473, 473, 474, 473, 473, 473, 473, 734, 473, 473, + 734, 734, 734, 734, 512, 473, 473, 473, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 473, + + 473, 473, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 473, 473, 473, 473, 734, 473, + 473, 473, 473, 473, 474, 473, 473, 473, 473, 734, + 473, 473, 734, 734, 734, 734, 512, 473, 473, 473, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 473, 473, 473, 734, 734, 734, 734, 513, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 513, 513, 734, 734, 734, 473, 473, 640, 640, + + 734, 640, 640, 640, 640, 640, 734, 640, 640, 640, + 640, 734, 640, 640, 734, 734, 734, 734, 640, 640, + 640, 640, 734, 734, 734, 734, 734, 734, 642, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 640, 640, 640, 734, 734, 734, 734, + 734, 734, 642, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 640, 640, + 640, 640, 734, 640, 640, 640, 640, 640, 641, 640, + 640, 640, 640, 734, 640, 640, 734, 734, 734, 734, + 649, 640, 640, 640, 734, 734, 734, 734, 734, 734, + + 650, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 640, 640, 640, 734, 734, + 734, 734, 734, 734, 650, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 640, 640, 640, 640, 734, 640, 640, 640, 640, 640, + 734, 640, 640, 640, 640, 734, 640, 640, 734, 734, + 734, 734, 640, 640, 640, 640, 734, 734, 734, 734, + 734, 734, 642, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 640, 640, 640, + 734, 734, 734, 734, 734, 734, 642, 734, 734, 734, + + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 640, 640, 640, 640, 734, 640, 640, 640, + 640, 640, 641, 640, 640, 640, 640, 734, 640, 640, + 734, 734, 734, 734, 649, 640, 640, 640, 734, 734, + 734, 734, 734, 734, 650, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 640, + 640, 640, 734, 734, 734, 734, 734, 734, 650, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 640, 640, 82, 734, 734, 82, + 82, 734, 734, 82, 82, 82, 82, 82, 83, 83, + + 83, 83, 83, 734, 83, 83, 83, 83, 83, 83, + 83, 83, 83, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, 129, 129, + 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, + 129, 129, 129, 149, 149, 149, 149, 149, 149, 149, + 149, 149, 149, 149, 149, 149, 149, 149, 154, 734, + 734, 154, 154, 154, 734, 154, 154, 154, 154, 154, + 203, 203, 203, 203, 203, 734, 203, 203, 203, 203, + 203, 203, 203, 203, 203, 205, 205, 205, 205, 205, + 205, 205, 205, 205, 205, 205, 205, 205, 205, 205, + + 220, 220, 734, 734, 734, 734, 734, 734, 734, 220, + 220, 220, 220, 220, 228, 228, 228, 232, 232, 232, + 233, 233, 233, 126, 126, 126, 126, 126, 126, 126, + 126, 126, 126, 126, 126, 126, 126, 126, 254, 254, + 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, + 254, 254, 254, 263, 263, 263, 274, 274, 274, 150, + 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, + 150, 150, 150, 150, 285, 285, 285, 285, 285, 285, + 285, 285, 285, 285, 285, 285, 285, 285, 285, 154, + 734, 734, 154, 154, 154, 734, 154, 154, 154, 154, + + 154, 292, 292, 292, 292, 292, 292, 292, 292, 292, + 292, 292, 292, 292, 292, 292, 203, 203, 203, 203, + 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, + 203, 205, 205, 205, 205, 205, 205, 205, 205, 205, + 205, 205, 205, 205, 205, 205, 206, 206, 206, 206, + 206, 206, 206, 206, 206, 206, 206, 206, 206, 206, + 206, 337, 337, 337, 337, 337, 337, 337, 337, 337, + 337, 337, 337, 337, 337, 337, 341, 341, 734, 341, + 341, 341, 341, 341, 341, 341, 341, 341, 341, 341, + 341, 343, 343, 734, 343, 343, 343, 343, 343, 343, + + 343, 343, 343, 343, 343, 343, 358, 358, 358, 381, + 381, 734, 381, 381, 381, 381, 381, 381, 381, 381, + 381, 381, 381, 381, 383, 383, 383, 383, 383, 383, + 383, 383, 383, 383, 383, 383, 383, 383, 383, 126, + 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, + 126, 126, 126, 126, 385, 385, 385, 385, 385, 385, + 385, 385, 385, 385, 385, 385, 385, 385, 385, 254, + 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, + 254, 254, 254, 254, 389, 389, 389, 393, 734, 734, + 393, 734, 393, 393, 734, 393, 734, 393, 402, 402, + + 402, 285, 285, 285, 285, 285, 285, 285, 285, 285, + 285, 285, 285, 285, 285, 285, 415, 415, 415, 415, + 415, 415, 415, 415, 415, 415, 415, 415, 415, 415, + 415, 154, 734, 734, 154, 154, 154, 734, 154, 154, + 154, 154, 154, 292, 292, 292, 292, 292, 292, 292, + 292, 292, 292, 292, 292, 292, 292, 292, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 435, 435, 734, 435, 435, 435, 435, + 435, 435, 435, 435, 435, 435, 435, 435, 337, 337, + 337, 337, 337, 337, 337, 337, 337, 337, 337, 337, + + 337, 337, 337, 449, 449, 449, 449, 734, 449, 449, + 449, 449, 449, 449, 449, 449, 449, 449, 203, 203, + 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, + 203, 203, 203, 341, 341, 734, 341, 341, 341, 341, + 341, 341, 341, 341, 341, 341, 341, 341, 343, 343, + 734, 343, 343, 343, 343, 343, 343, 343, 343, 343, + 343, 343, 343, 459, 734, 459, 734, 734, 734, 459, + 459, 459, 474, 474, 734, 474, 474, 474, 474, 474, + 474, 474, 474, 474, 474, 474, 474, 380, 380, 734, + 380, 380, 380, 380, 380, 380, 380, 380, 380, 380, + + 380, 380, 381, 381, 734, 381, 381, 381, 381, 381, + 381, 381, 381, 381, 381, 381, 381, 383, 383, 383, + 383, 383, 383, 383, 383, 383, 383, 383, 383, 383, + 383, 383, 385, 385, 385, 385, 385, 385, 385, 385, + 385, 385, 385, 385, 385, 385, 385, 126, 126, 126, + 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, + 126, 126, 482, 482, 482, 482, 482, 482, 482, 482, + 482, 482, 482, 482, 482, 482, 482, 488, 734, 734, + 734, 734, 488, 488, 734, 488, 734, 488, 415, 415, + 415, 415, 415, 415, 415, 415, 415, 415, 415, 415, + + 415, 415, 415, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, 511, 511, + 734, 511, 511, 511, 511, 511, 511, 511, 511, 511, + 511, 511, 511, 435, 435, 734, 435, 435, 435, 435, + 435, 435, 435, 435, 435, 435, 435, 435, 449, 449, + 449, 449, 734, 449, 449, 449, 449, 449, 449, 449, + 449, 449, 449, 203, 203, 203, 203, 203, 203, 203, + 203, 203, 203, 203, 203, 203, 203, 203, 524, 524, + 734, 524, 524, 524, 524, 524, 524, 524, 524, 524, + 524, 524, 524, 526, 526, 734, 526, 526, 526, 526, + + 526, 526, 526, 526, 526, 526, 526, 526, 528, 528, + 734, 528, 528, 528, 528, 528, 528, 528, 528, 528, + 528, 528, 528, 530, 530, 734, 530, 530, 530, 530, + 530, 530, 530, 530, 530, 530, 530, 530, 532, 532, + 734, 532, 532, 532, 532, 532, 532, 532, 532, 532, + 532, 532, 532, 534, 534, 734, 534, 534, 534, 534, + 534, 534, 534, 534, 534, 534, 534, 534, 473, 473, + 734, 473, 473, 473, 473, 473, 473, 473, 473, 473, + 473, 473, 473, 474, 474, 734, 474, 474, 474, 474, + 474, 474, 474, 474, 474, 474, 474, 474, 383, 383, + + 383, 383, 383, 383, 383, 383, 383, 383, 383, 383, + 383, 383, 383, 126, 126, 126, 126, 126, 126, 126, + 126, 126, 126, 126, 126, 126, 126, 126, 482, 482, + 482, 482, 482, 482, 482, 482, 482, 482, 482, 482, + 482, 482, 482, 559, 734, 734, 734, 734, 559, 559, + 734, 559, 567, 567, 567, 567, 567, 567, 567, 567, + 567, 567, 567, 567, 567, 567, 567, 102, 102, 102, + 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, + 102, 102, 511, 511, 734, 511, 511, 511, 511, 511, + 511, 511, 511, 511, 511, 511, 511, 578, 578, 578, + + 578, 578, 578, 578, 578, 578, 578, 578, 578, 578, + 578, 578, 585, 734, 734, 734, 734, 585, 585, 734, + 585, 592, 592, 734, 592, 592, 592, 592, 592, 592, + 592, 592, 592, 592, 592, 592, 610, 610, 610, 610, + 610, 610, 610, 610, 610, 610, 610, 610, 610, 610, + 610, 641, 641, 734, 641, 641, 641, 641, 641, 641, + 641, 641, 641, 641, 641, 641, 648, 648, 734, 648, + 648, 648, 648, 648, 648, 648, 648, 648, 648, 648, + 648, 640, 640, 734, 640, 640, 640, 640, 640, 640, + 640, 640, 640, 640, 640, 640, 676, 676, 676, 676, + + 676, 676, 676, 676, 676, 676, 676, 676, 676, 676, + 676, 698, 698, 698, 698, 698, 698, 698, 698, 698, + 698, 698, 698, 698, 698, 698, 701, 701, 701, 701, + 701, 701, 701, 701, 701, 701, 701, 701, 701, 701, + 701, 716, 716, 716, 716, 716, 716, 716, 716, 716, + 716, 716, 716, 716, 716, 716, 3, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734 + } ; + +static yyconst short int yy_chk[5130] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 5, 6, 6, 6, 6, 8, + 10, 10, 11, 20, 22, 46, 8, 8, 8, 8, + 16, 732, 11, 13, 11, 11, 20, 46, 5, 11, + 12, 12, 12, 13, 18, 13, 98, 12, 98, 22, + 13, 286, 12, 12, 12, 12, 12, 12, 12, 12, + 286, 20, 52, 12, 12, 12, 12, 12, 12, 12, + + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 42, 18, 16, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 12, 12, 15, + 23, 15, 15, 15, 15, 15, 15, 27, 52, 15, + 23, 31, 54, 31, 31, 712, 47, 43, 31, 50, + 50, 47, 32, 42, 23, 708, 47, 27, 47, 47, + 15, 58, 40, 47, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 24, 32, 32, 32, + 32, 32, 62, 54, 24, 707, 58, 40, 40, 27, + + 27, 158, 57, 32, 62, 149, 27, 40, 40, 43, + 43, 40, 84, 84, 57, 158, 43, 701, 86, 24, + 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, + 24, 28, 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 49, 59, 128, + 62, 28, 28, 28, 28, 33, 57, 49, 59, 49, + 700, 34, 56, 36, 49, 351, 66, 351, 66, 66, + 90, 90, 59, 66, 149, 56, 28, 28, 28, 86, + 33, 33, 128, 33, 33, 33, 34, 34, 36, 36, + 34, 34, 34, 37, 36, 36, 36, 349, 35, 44, + + 56, 28, 28, 29, 161, 29, 29, 29, 29, 29, + 29, 35, 268, 44, 44, 44, 44, 161, 37, 37, + 94, 94, 94, 35, 35, 37, 37, 37, 35, 35, + 35, 163, 163, 39, 29, 416, 35, 416, 29, 29, + 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, + 30, 38, 89, 39, 89, 203, 203, 77, 349, 89, + 30, 268, 77, 30, 30, 30, 30, 30, 44, 77, + 76, 81, 81, 81, 81, 698, 38, 38, 39, 39, + 39, 521, 76, 696, 38, 38, 38, 39, 39, 39, + 521, 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754, 754, + 754, 754, 754, 754, 754, 754, 755, 755, 755, 755, + 755, 755, 755, 755, 755, 755, 755, 755, 755, 755, + 755, 756, 756, 756, 756, 756, 756, 756, 756, 756, + 756, 756, 756, 756, 756, 756, 757, 757, 757, 757, + 757, 757, 757, 757, 757, 757, 757, 757, 757, 757, + 757, 758, 758, 758, 758, 758, 758, 758, 758, 758, + 758, 758, 758, 758, 758, 758, 759, 759, 0, 759, + 759, 759, 759, 759, 759, 759, 759, 759, 759, 759, + 759, 760, 760, 0, 760, 760, 760, 760, 760, 760, + + 760, 760, 760, 760, 760, 760, 761, 761, 761, 762, + 762, 0, 762, 762, 762, 762, 762, 762, 762, 762, + 762, 762, 762, 762, 763, 763, 763, 763, 763, 763, + 763, 763, 763, 763, 763, 763, 763, 763, 763, 764, + 764, 764, 764, 764, 764, 764, 764, 764, 764, 764, + 764, 764, 764, 764, 765, 765, 765, 765, 765, 765, + 765, 765, 765, 765, 765, 765, 765, 765, 765, 766, + 766, 766, 766, 766, 766, 766, 766, 766, 766, 766, + 766, 766, 766, 766, 768, 768, 768, 769, 0, 0, + 769, 0, 769, 769, 0, 769, 0, 769, 771, 771, + + 771, 772, 772, 772, 772, 772, 772, 772, 772, 772, + 772, 772, 772, 772, 772, 772, 773, 773, 773, 773, + 773, 773, 773, 773, 773, 773, 773, 773, 773, 773, + 773, 774, 0, 0, 774, 774, 774, 0, 774, 774, + 774, 774, 774, 775, 775, 775, 775, 775, 775, 775, + 775, 775, 775, 775, 775, 775, 775, 775, 776, 776, + 776, 776, 776, 776, 776, 776, 776, 776, 776, 776, + 776, 776, 776, 777, 777, 0, 777, 777, 777, 777, + 777, 777, 777, 777, 777, 777, 777, 777, 778, 778, + 778, 778, 778, 778, 778, 778, 778, 778, 778, 778, + + 778, 778, 778, 779, 779, 779, 779, 0, 779, 779, + 779, 779, 779, 779, 779, 779, 779, 779, 780, 780, + 780, 780, 780, 780, 780, 780, 780, 780, 780, 780, + 780, 780, 780, 781, 781, 0, 781, 781, 781, 781, + 781, 781, 781, 781, 781, 781, 781, 781, 782, 782, + 0, 782, 782, 782, 782, 782, 782, 782, 782, 782, + 782, 782, 782, 783, 0, 783, 0, 0, 0, 783, + 783, 783, 784, 784, 0, 784, 784, 784, 784, 784, + 784, 784, 784, 784, 784, 784, 784, 785, 785, 0, + 785, 785, 785, 785, 785, 785, 785, 785, 785, 785, + + 785, 785, 786, 786, 0, 786, 786, 786, 786, 786, + 786, 786, 786, 786, 786, 786, 786, 787, 787, 787, + 787, 787, 787, 787, 787, 787, 787, 787, 787, 787, + 787, 787, 788, 788, 788, 788, 788, 788, 788, 788, + 788, 788, 788, 788, 788, 788, 788, 789, 789, 789, + 789, 789, 789, 789, 789, 789, 789, 789, 789, 789, + 789, 789, 790, 790, 790, 790, 790, 790, 790, 790, + 790, 790, 790, 790, 790, 790, 790, 791, 0, 0, + 0, 0, 791, 791, 0, 791, 0, 791, 792, 792, + 792, 792, 792, 792, 792, 792, 792, 792, 792, 792, + + 792, 792, 792, 793, 793, 793, 793, 793, 793, 793, + 793, 793, 793, 793, 793, 793, 793, 793, 794, 794, + 0, 794, 794, 794, 794, 794, 794, 794, 794, 794, + 794, 794, 794, 795, 795, 0, 795, 795, 795, 795, + 795, 795, 795, 795, 795, 795, 795, 795, 796, 796, + 796, 796, 0, 796, 796, 796, 796, 796, 796, 796, + 796, 796, 796, 797, 797, 797, 797, 797, 797, 797, + 797, 797, 797, 797, 797, 797, 797, 797, 798, 798, + 0, 798, 798, 798, 798, 798, 798, 798, 798, 798, + 798, 798, 798, 799, 799, 0, 799, 799, 799, 799, + + 799, 799, 799, 799, 799, 799, 799, 799, 800, 800, + 0, 800, 800, 800, 800, 800, 800, 800, 800, 800, + 800, 800, 800, 801, 801, 0, 801, 801, 801, 801, + 801, 801, 801, 801, 801, 801, 801, 801, 802, 802, + 0, 802, 802, 802, 802, 802, 802, 802, 802, 802, + 802, 802, 802, 803, 803, 0, 803, 803, 803, 803, + 803, 803, 803, 803, 803, 803, 803, 803, 804, 804, + 0, 804, 804, 804, 804, 804, 804, 804, 804, 804, + 804, 804, 804, 805, 805, 0, 805, 805, 805, 805, + 805, 805, 805, 805, 805, 805, 805, 805, 806, 806, + + 806, 806, 806, 806, 806, 806, 806, 806, 806, 806, + 806, 806, 806, 807, 807, 807, 807, 807, 807, 807, + 807, 807, 807, 807, 807, 807, 807, 807, 808, 808, + 808, 808, 808, 808, 808, 808, 808, 808, 808, 808, + 808, 808, 808, 809, 0, 0, 0, 0, 809, 809, + 0, 809, 810, 810, 810, 810, 810, 810, 810, 810, + 810, 810, 810, 810, 810, 810, 810, 811, 811, 811, + 811, 811, 811, 811, 811, 811, 811, 811, 811, 811, + 811, 811, 812, 812, 0, 812, 812, 812, 812, 812, + 812, 812, 812, 812, 812, 812, 812, 813, 813, 813, + + 813, 813, 813, 813, 813, 813, 813, 813, 813, 813, + 813, 813, 814, 0, 0, 0, 0, 814, 814, 0, + 814, 815, 815, 0, 815, 815, 815, 815, 815, 815, + 815, 815, 815, 815, 815, 815, 816, 816, 816, 816, + 816, 816, 816, 816, 816, 816, 816, 816, 816, 816, + 816, 817, 817, 0, 817, 817, 817, 817, 817, 817, + 817, 817, 817, 817, 817, 817, 818, 818, 0, 818, + 818, 818, 818, 818, 818, 818, 818, 818, 818, 818, + 818, 819, 819, 0, 819, 819, 819, 819, 819, 819, + 819, 819, 819, 819, 819, 819, 820, 820, 820, 820, + + 820, 820, 820, 820, 820, 820, 820, 820, 820, 820, + 820, 821, 821, 821, 821, 821, 821, 821, 821, 821, + 821, 821, 821, 821, 821, 821, 822, 822, 822, 822, + 822, 822, 822, 822, 822, 822, 822, 822, 822, 822, + 822, 823, 823, 823, 823, 823, 823, 823, 823, 823, + 823, 823, 823, 823, 823, 823, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734, 734, + 734, 734, 734, 734, 734, 734, 734, 734, 734 + } ; + +static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr; +static char *yy_full_match; +static int yy_lp; +static int yy_looking_for_trail_begin = 0; +static int yy_full_lp; +static int *yy_full_state; +#define YY_TRAILING_MASK 0x2000 +#define YY_TRAILING_HEAD_MASK 0x4000 +#define REJECT \ +{ \ +*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \ +yy_cp = yy_full_match; /* restore poss. backed-over text */ \ +yy_lp = yy_full_lp; /* restore orig. accepting pos. */ \ +yy_state_ptr = yy_full_state; /* restore orig. state */ \ +yy_current_state = *yy_state_ptr; /* restore curr. state */ \ +++yy_lp; \ +goto find_rule; \ +} +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#define INITIAL 0 +/* + * parser.l -- lex parser of algebraic chess moves for XBoard + * $Id: parser.l,v 2.1 2003/10/27 19:21:00 mann Exp $ + * + * Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts. + * Enhancements Copyright 1992-95 Free Software Foundation, Inc. + * + * The following terms apply to Digital Equipment Corporation's copyright + * interest in XBoard: + * ------------------------------------------------------------------------ + * All Rights Reserved + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, + * provided that the above copyright notice appear in all copies and that + * both that copyright notice and this permission notice appear in + * supporting documentation, and that the name of Digital not be + * used in advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * + * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING + * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL + * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR + * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, + * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + * ------------------------------------------------------------------------ + * + * The following terms apply to the enhanced version of XBoard distributed + * by the Free Software Foundation: + * ------------------------------------------------------------------------ + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * ------------------------------------------------------------------------ + */ + +/* This parser handles all forms of promotion. + * The parser resolves ambiguous moves by searching and check-testing. + * It also parses comments of the form [anything] or (anything). + */ + +#include "config.h" + +#define NO_CONSTRAINT -1 +#undef YYLMAX +#define YYLMAX 4096 +#define UNPUT_BUF_SIZE YYLMAX + +#ifdef FLEX_SCANNER +/* yytext is probably a char*, but could be a char[]. yy_text is set + in YY_DECL below, because if yytext is a char*, its value is not + constant. */ +char *yy_text; +#else /*!FLEX_SCANNER*/ +/* yytext is definitely a char[], so yy_text can be set here, statically. */ +char *yy_text = (char *) yytext; +#endif + +#ifdef FLEX_SCANNER +/* This is flex */ +#undef YY_INPUT +#define YY_INPUT(buf, result, max_size) my_yy_input(buf, &result, max_size) +#undef YY_DECL +#define YY_DECL \ + int _yylex YY_PROTO((void)); \ + int yylex YY_PROTO((void)) \ + { \ + int result = _yylex(); \ + yy_text = (char *) yytext; \ + return(result); \ + } \ + int _yylex YY_PROTO((void)) +#else +/* This is lex */ +#undef input +#undef output +#undef unput +#endif + +/* The includes must be here, below the #undef input */ + +#include + +#if STDC_HEADERS +# include +# include +#else /* not STDC_HEADERS */ +# if HAVE_STRING_H +# include +# else /* not HAVE_STRING_H */ +# include +# endif /* not HAVE_STRING_H */ +#endif /* not STDC_HEADERS */ + +#if HAVE_UNISTD_H +# include +#endif + +#if defined(_amigados) +# include +# if HAVE_FCNTL_H +# include /* isatty() prototype */ +# endif /* HAVE_FCNTL_H */ +#endif /* defined(_amigados) */ + +#include "common.h" +#include "backend.h" +#include "frontend.h" +#include "parser.h" +#include "moves.h" + +extern int PosFlags P((int)); + +extern Board boards[MAX_MOVES]; +int yyboardindex; +int yyskipmoves = FALSE; +char currentMoveString[YYLMAX]; +#ifndef FLEX_SCANNER +char unputBuffer[UNPUT_BUF_SIZE]; +int unputCount = 0; +#endif + +#ifdef FLEX_SCANNER +void my_yy_input P((char *buf, int *result, int max_size)); +#else /*!FLEX_SCANNER*/ +static int input P((void)); +static void output P((int ch)); +static void unput P((int ch)); +int yylook P((void)); +int yyback P((int *, int)); +#endif +#undef yywrap +int yywrap P((void)); +extern void CopyBoard P((Board to, Board from)); + + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap YY_PROTO(( void )); +#else +extern int yywrap YY_PROTO(( void )); +#endif +#endif + +#ifndef YY_NO_UNPUT +static void yyunput YY_PROTO(( int c, char *buf_ptr )); +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int )); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen YY_PROTO(( yyconst char * )); +#endif + +#ifndef YY_NO_INPUT +#ifdef __cplusplus +static int yyinput YY_PROTO(( void )); +#else +static int input YY_PROTO(( void )); +#endif +#endif + +#if YY_STACK_USED +static int yy_start_stack_ptr = 0; +static int yy_start_stack_depth = 0; +static int *yy_start_stack = 0; +#ifndef YY_NO_PUSH_STATE +static void yy_push_state YY_PROTO(( int new_state )); +#endif +#ifndef YY_NO_POP_STATE +static void yy_pop_state YY_PROTO(( void )); +#endif +#ifndef YY_NO_TOP_STATE +static int yy_top_state YY_PROTO(( void )); +#endif + +#else +#define YY_NO_PUSH_STATE 1 +#define YY_NO_POP_STATE 1 +#define YY_NO_TOP_STATE 1 +#endif + +#ifdef YY_MALLOC_DECL +YY_MALLOC_DECL +#else +#if __STDC__ +#ifndef __cplusplus +#include +#endif +#else +/* Just try to get by without declaring the routines. This will fail + * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int) + * or sizeof(void*) != sizeof(int). + */ +#endif +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ + +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO (void) fwrite( yytext, yyleng, 1, yyout ) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( yy_current_buffer->yy_is_interactive ) \ + { \ + int c = '*', n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + } +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL int yylex YY_PROTO(( void )) +#endif + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + if ( yyleng > 0 ) \ + yy_current_buffer->yy_at_bol = \ + (yytext[yyleng - 1] == '\n'); \ + YY_USER_ACTION + +YY_DECL + { + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + + + + + if ( yy_init ) + { + yy_init = 0; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! yy_start ) + yy_start = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! yy_current_buffer ) + yy_current_buffer = + yy_create_buffer( yyin, YY_BUF_SIZE ); + + yy_load_buffer_state(); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = yy_c_buf_p; + + /* Support of yytext. */ + *yy_cp = yy_hold_char; + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = yy_start; + yy_current_state += YY_AT_BOL(); + yy_state_ptr = yy_state_buf; + *yy_state_ptr++ = yy_current_state; +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 735 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + *yy_state_ptr++ = yy_current_state; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 5057 ); + +yy_find_action: + yy_current_state = *--yy_state_ptr; + yy_lp = yy_accept[yy_current_state]; +find_rule: /* we branch to this label when backing up */ + for ( ; ; ) /* until we find what rule we matched */ + { + if ( yy_lp && yy_lp < yy_accept[yy_current_state + 1] ) + { + yy_act = yy_acclist[yy_lp]; + if ( yy_act & YY_TRAILING_HEAD_MASK || + yy_looking_for_trail_begin ) + { + if ( yy_act == yy_looking_for_trail_begin ) + { + yy_looking_for_trail_begin = 0; + yy_act &= ~YY_TRAILING_HEAD_MASK; + break; + } + } + else if ( yy_act & YY_TRAILING_MASK ) + { + yy_looking_for_trail_begin = yy_act & ~YY_TRAILING_MASK; + yy_looking_for_trail_begin |= YY_TRAILING_HEAD_MASK; + } + else + { + yy_full_match = yy_cp; + yy_full_state = yy_state_ptr; + yy_full_lp = yy_lp; + break; + } + ++yy_lp; + goto find_rule; + } + --yy_cp; + yy_current_state = *--yy_state_ptr; + yy_lp = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + + +do_action: /* This label is used only to access EOF actions. */ + + + switch ( yy_act ) + { /* beginning of action switch */ +case 1: +YY_RULE_SETUP +{ + /* + * Fully-qualified algebraic move, possibly with promotion + * [HGM] Bigger-than-8x8 boards must rely on long algebraic formats + * where I allowed piece types A & C (also as promotions) + * files a-l and ranks 0-9 + */ + int skip1 = 0, skip2 = 0; + ChessSquare piece; + ChessMove result; + + if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ + + /* remove the / */ + if (yytext[1] == '/') skip1 = 1; + + /* remove the [xX:-] */ + if ((yytext[3+skip1] == 'x') || (yytext[3+skip1] == 'X') || + (yytext[3+skip1] == '-') || (yytext[3+skip1] == ':')) skip2 = 1; + + currentMoveString[0] = yytext[1+skip1]; + currentMoveString[1] = yytext[2+skip1]; + currentMoveString[2] = yytext[3+skip1+skip2]; + currentMoveString[3] = yytext[4+skip1+skip2]; + currentMoveString[4] = NULLCHAR; + + if (yyleng-skip1-skip2 > 5) { + if (yytext[yyleng-1] == ')') { + currentMoveString[4] = ToLower(yytext[yyleng-2]); + } else { + currentMoveString[4] = ToLower(yytext[yyleng-1]); + } + currentMoveString[5] = NULLCHAR; + } + + if (appData.debugMode) { + fprintf(debugFP, "parser: %s\n", currentMoveString); + } + /* [HGM] do not allow values beyond board size */ + if(currentMoveString[1] - ONE >= BOARD_HEIGHT || + currentMoveString[0] - AAA >= BOARD_WIDTH || + currentMoveString[3] - ONE >= BOARD_HEIGHT || + currentMoveString[2] - AAA >= BOARD_WIDTH ) + return 0; + + piece = boards[yyboardindex] + [currentMoveString[1] - ONE][currentMoveString[0] - AAA]; + if (ToLower(yytext[0]) != ToLower(PieceToChar(piece))) + return (int) IllegalMove; + + result = LegalityTest(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, + initialRights, /* [HGM] assume all castlings allowed */ + currentMoveString[1] - ONE, + currentMoveString[0] - AAA, + currentMoveString[3] - ONE, + currentMoveString[2] - AAA, + currentMoveString[4]); + + if (currentMoveString[4] == NULLCHAR && + (result == WhitePromotionQueen || result == BlackPromotionQueen)) { + currentMoveString[4] = 'q'; + currentMoveString[5] = NULLCHAR; + } + + return (int) result; +} + YY_BREAK +case 2: +YY_RULE_SETUP +{ + /* + * Simple algebraic move, possibly with promotion + * [HGM] Bigger-than-8x8 boards must rely on this format + * where I allowed piece types A & C (also as promotions) + * files a-l and ranks 0-9 + */ + int skip = 0; + ChessMove result; + + if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ + + /* remove the [xX:-] */ + if ((yytext[2] == 'x') || (yytext[2] == 'X') || + (yytext[2] == '-') || (yytext[2] == ':')) skip = 1; + + currentMoveString[0] = yytext[0]; + currentMoveString[1] = yytext[1]; + currentMoveString[2] = yytext[2+skip]; + currentMoveString[3] = yytext[3+skip]; + currentMoveString[4] = NULLCHAR; + + if (yyleng-skip > 4) { + if (yytext[yyleng-1] == ')') { + currentMoveString[4] = ToLower(yytext[yyleng-2]); + } else { + currentMoveString[4] = ToLower(yytext[yyleng-1]); + } + currentMoveString[5] = NULLCHAR; + } + + /* [HGM] do not allow values beyond board size */ + if(currentMoveString[1] - ONE >= BOARD_HEIGHT || + currentMoveString[0] - AAA >= BOARD_WIDTH || + currentMoveString[3] - ONE >= BOARD_HEIGHT || + currentMoveString[2] - AAA >= BOARD_WIDTH ) + return 0; + + result = LegalityTest(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, + initialRights, /* [HGM] assume all castlings allowed */ + currentMoveString[1] - ONE, + currentMoveString[0] - AAA, + currentMoveString[3] - ONE, + currentMoveString[2] - AAA, + currentMoveString[4]); + + if (currentMoveString[4] == NULLCHAR && + (result == WhitePromotionQueen || result == BlackPromotionQueen)) { + currentMoveString[4] = 'q'; + currentMoveString[5] = NULLCHAR; + } + + return (int) result; +} + YY_BREAK +case 3: +YY_RULE_SETUP +{ + /* + * Pawn move, possibly with promotion + */ + DisambiguateClosure cl; + int skip = 0; + + if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ + + /* remove the =() */ + if (yytext[2] == '=') skip++; + if (yytext[2+skip] == '(') skip++; + + cl.pieceIn = WhiteOnMove(yyboardindex) ? WhitePawn : BlackPawn; + cl.rfIn = -1; + cl.ffIn = yytext[0] - AAA; + cl.rtIn = yytext[1] - ONE; + cl.ftIn = yytext[0] - AAA; + cl.promoCharIn = yytext[2+skip]; + + /* [HGM] do not allow values beyond board size */ + if(cl.rtIn >= BOARD_HEIGHT || + cl.ffIn >= BOARD_WIDTH || + cl.ftIn >= BOARD_WIDTH ) + return 0; + + + Disambiguate(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, &cl); + + currentMoveString[0] = cl.ff + AAA; + currentMoveString[1] = cl.rf + ONE; + currentMoveString[2] = cl.ft + AAA; + currentMoveString[3] = cl.rt + ONE; + currentMoveString[4] = cl.promoChar; + currentMoveString[5] = NULLCHAR; + + return (int) cl.kind; +} + YY_BREAK +case 4: +YY_RULE_SETUP +{ + /* + * Pawn capture, possibly with promotion, possibly ambiguous + */ + DisambiguateClosure cl; + int skip1 = 0, skip2 = 0; + + if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ + + /* remove trailing ep or e.p. (nonstandard PGN) */ + if (yytext[yyleng-1] == 'p') { + yyleng -= 2; + yytext[yyleng] = NULLCHAR; + } else if (yytext[yyleng-1] == '.') { + yyleng -= 4; + yytext[yyleng] = NULLCHAR; + } + + /* remove the [xX:-] and =() */ + if ((yytext[1] == 'x') || (yytext[1] == 'X') + || (yytext[1] == ':') || (yytext[1] == '-')) skip1 = 1; + if (yytext[2+skip1] == '=') skip2++; + if (yytext[2+skip1+skip2] == '(') skip2++; + + cl.pieceIn = WhiteOnMove(yyboardindex) ? WhitePawn : BlackPawn; + cl.rfIn = -1; + cl.ffIn = yytext[0] - AAA; + cl.rtIn = -1; + cl.ftIn = yytext[1+skip1] - AAA; + cl.promoCharIn = yytext[2+skip1+skip2]; + + /* [HGM] do not allow values beyond board size */ + if(cl.ffIn >= BOARD_WIDTH || + cl.ftIn >= BOARD_WIDTH ) + return 0; + + Disambiguate(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, &cl); + + currentMoveString[0] = cl.ff + AAA; + currentMoveString[1] = cl.rf + ONE; + currentMoveString[2] = cl.ft + AAA; + currentMoveString[3] = cl.rt + ONE; + currentMoveString[4] = cl.promoChar; + currentMoveString[5] = NULLCHAR; + + return (int) cl.kind; +} + YY_BREAK +case 5: +YY_RULE_SETUP +{ + /* + * unambiguously abbreviated Pawn capture, possibly with promotion + */ + int skip = 0; + ChessMove result; + + if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ + + /* remove trailing ep or e.p. (nonstandard PGN) */ + if (yytext[yyleng-1] == 'p') { + yyleng -= 2; + yytext[yyleng] = NULLCHAR; + } else if (yytext[yyleng-1] == '.') { + yyleng -= 4; + yytext[yyleng] = NULLCHAR; + } + + /* remove the [xX:-] */ + if ((yytext[1] == 'x') || (yytext[1] == 'X') + || (yytext[1] == ':') || (yytext[1] == '-')) skip = 1; + + currentMoveString[0] = yytext[0]; + currentMoveString[2] = yytext[1+skip]; + currentMoveString[3] = yytext[2+skip]; + + /* [HGM] do not allow values beyond board size */ + if(currentMoveString[0] - AAA >= BOARD_WIDTH || + currentMoveString[3] - ONE >= BOARD_HEIGHT || + currentMoveString[2] - AAA >= BOARD_WIDTH ) + return 0; + + if (gameInfo.variant == VariantXiangqi && /* [HGM] In Xiangqi rank stays same */ + currentMoveString[0] != currentMoveString[2] ) { + if (yytext[2+skip] == ONE) return (int) ImpossibleMove; + currentMoveString[1] = yytext[2+skip]; + } else + if (WhiteOnMove(yyboardindex)) { + if (yytext[2+skip] == ONE) return (int) ImpossibleMove; + currentMoveString[1] = yytext[2+skip] - 1; + } else { + currentMoveString[1] = currentMoveString[3] + 1; + if (currentMoveString[3] == ONE+BOARD_HEIGHT-1) return (int) ImpossibleMove; + } + if (yyleng-skip > 3) { + if (yytext[yyleng-1] == ')') + currentMoveString[4] = ToLower(yytext[yyleng-2]); + else + currentMoveString[4] = ToLower(yytext[yyleng-1]); + currentMoveString[5] = NULLCHAR; + } else { + currentMoveString[4] = NULLCHAR; + } + + result = LegalityTest(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, + initialRights, /* [HGM] assume all castlings allowed */ + currentMoveString[1] - ONE, + currentMoveString[0] - AAA, + currentMoveString[3] - ONE, + currentMoveString[2] - AAA, + currentMoveString[4]); + + if (currentMoveString[4] == NULLCHAR && + (result == WhitePromotionQueen || result == BlackPromotionQueen)) { + currentMoveString[4] = 'q'; + currentMoveString[5] = NULLCHAR; + } + + if (result != IllegalMove) return (int) result; + + /* Special case: improperly written en passant capture */ + if (WhiteOnMove(yyboardindex)) { + if (currentMoveString[3] == '5') { + currentMoveString[1] = '5'; + currentMoveString[3] = '6'; + } else { + return (int) IllegalMove; + } + } else { + if (currentMoveString[3] == '4') { + currentMoveString[1] = '4'; + currentMoveString[3] = '3'; + } else { + return (int) IllegalMove; + } + } + + result = LegalityTest(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, + initialRights, /* [HGM] assume all castlings allowed */ + currentMoveString[1] - ONE, + currentMoveString[0] - AAA, + currentMoveString[3] - ONE, + currentMoveString[2] - AAA, + currentMoveString[4]); + + if (result == WhiteCapturesEnPassant || result == BlackCapturesEnPassant) + return (int) result; + else + return (int) IllegalMove; +} + YY_BREAK +case 6: +YY_RULE_SETUP +{ + /* + * piece move, possibly ambiguous + */ + DisambiguateClosure cl; + int skip = 0; + + if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ + + /* remove the [xX:-] */ + if ((yytext[1] == 'x') || (yytext[1] == 'X') + || (yytext[1] == ':') || (yytext[1] == '-')) skip = 1; + + if (WhiteOnMove(yyboardindex)) { + cl.pieceIn = CharToPiece(ToUpper(yytext[0])); + } else { + cl.pieceIn = CharToPiece(ToLower(yytext[0])); + } + cl.rfIn = -1; + cl.ffIn = -1; + cl.rtIn = yytext[2+skip] - ONE; + cl.ftIn = yytext[1+skip] - AAA; + cl.promoCharIn = NULLCHAR; + + /* [HGM] but do not allow values beyond board size */ + if(cl.rtIn >= BOARD_HEIGHT || + cl.ftIn >= BOARD_WIDTH ) + return 0; + + Disambiguate(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, &cl); + + currentMoveString[0] = cl.ff + AAA; + currentMoveString[1] = cl.rf + ONE; + currentMoveString[2] = cl.ft + AAA; + currentMoveString[3] = cl.rt + ONE; + currentMoveString[4] = cl.promoChar; + currentMoveString[5] = NULLCHAR; + + return (int) cl.kind; +} + YY_BREAK +case 7: +YY_RULE_SETUP +{ + /* + * piece move with rank or file disambiguator + */ + DisambiguateClosure cl; + int skip = 0; + + if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ + + /* remove the [xX:-] */ + if ((yytext[2] == 'x') || (yytext[2] == 'X') + || (yytext[2] == ':') || (yytext[2] == '-')) skip = 1; + + if (WhiteOnMove(yyboardindex)) { + cl.pieceIn = CharToPiece(ToUpper(yytext[0])); + } else { + cl.pieceIn = CharToPiece(ToLower(yytext[0])); + } + if (isalpha(yytext[1])) { + cl.rfIn = -1; + cl.ffIn = yytext[1] - AAA; + } else { + cl.rfIn = yytext[1] - ONE; + cl.ffIn = -1; + } + cl.rtIn = yytext[3+skip] - ONE; + cl.ftIn = yytext[2+skip] - AAA; + cl.promoCharIn = NULLCHAR; + + /* [HGM] do not allow values beyond board size */ + if(cl.rtIn >= BOARD_HEIGHT || + cl.rfIn >= BOARD_HEIGHT || + cl.ffIn >= BOARD_WIDTH || + cl.ftIn >= BOARD_WIDTH ) + return 0; + + Disambiguate(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, &cl); + + currentMoveString[0] = cl.ff + AAA; + currentMoveString[1] = cl.rf + ONE; + currentMoveString[2] = cl.ft + AAA; + currentMoveString[3] = cl.rt + ONE; + currentMoveString[4] = cl.promoChar; + currentMoveString[5] = NULLCHAR; + + return (int) cl.kind; +} + YY_BREAK +case 8: +YY_RULE_SETUP +{ + int rf, ff, rt, ft; + + if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ + + /* [HGM] all squares referenced to board edges in stead of absolute */ + if (WhiteOnMove(yyboardindex)) { + if (boards[yyboardindex][0][(BOARD_WIDTH-1)>>1] == WhiteKing) { + /* ICS wild castling */ + rf = 0; + ff = (BOARD_WIDTH-1)>>1; + rt = 0; + ft = BOARD_RGHT-3; + sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE); + } else { + rf = 0; + ff = BOARD_WIDTH>>1; + rt = 0; + ft = BOARD_LEFT+2; + sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE); + } + } else{ + if (boards[yyboardindex][BOARD_HEIGHT-1][3] == BlackKing) { + /* ICS wild castling */ + rf = BOARD_HEIGHT-1; + ff = (BOARD_WIDTH-1)>>1; + rt = BOARD_HEIGHT-1; + ft = BOARD_RGHT-3; + sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE); + } else { + rf = BOARD_HEIGHT-1; + ff = BOARD_WIDTH>>1; + rt = BOARD_HEIGHT-1; + ft = BOARD_LEFT+2; + sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE); + } + } + return (int) LegalityTest(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, + initialRights, /* [HGM] assume all castlings allowed */ + rf, ff, rt, ft, NULLCHAR); +} + YY_BREAK +case 9: +YY_RULE_SETUP +{ + int rf, ff, rt, ft; + + if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */ + + if (WhiteOnMove(yyboardindex)) { + if (boards[yyboardindex][0][(BOARD_WIDTH-1)>>1] == WhiteKing) { + /* ICS wild castling */ + rf = 0; + ff = (BOARD_WIDTH-1)>>1; + rt = 0; + ft = BOARD_LEFT+1; + sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE); + } else { + rf = 0; + ff = BOARD_WIDTH>>1; + rt = 0; + ft = BOARD_RGHT-2; + sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE); + } + } else { + if (boards[yyboardindex][BOARD_HEIGHT-1][(BOARD_WIDTH-1)>>1] == BlackKing) { + /* ICS wild castling */ + rf = BOARD_HEIGHT-1; + ff = (BOARD_WIDTH-1)>>1; + rt = BOARD_HEIGHT-1; + ft = BOARD_LEFT+1; + sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE); + } else { + rf = BOARD_HEIGHT-1; + ff = BOARD_WIDTH>>1; + rt = BOARD_HEIGHT-1; + ft = BOARD_RGHT-2; + sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE); + } + } + return (int) LegalityTest(boards[yyboardindex], + PosFlags(yyboardindex), EP_UNKNOWN, + initialRights, /* [HGM] assume all castlings allowed */ + rf, ff, rt, ft, NULLCHAR); +} + YY_BREAK +case 10: +YY_RULE_SETUP +{ + /* Bughouse piece drop. No legality checking for now. */ + currentMoveString[1] = '@'; + currentMoveString[2] = yytext[2]; + currentMoveString[3] = yytext[3]; + currentMoveString[4] = NULLCHAR; + + if (appData.debugMode) { + fprintf(debugFP, "Drop: %s\n", currentMoveString); + } + /* [HGM] do not allow values beyond board size */ + if(currentMoveString[3] - ONE >= BOARD_HEIGHT || + currentMoveString[2] - AAA >= BOARD_WIDTH ) + return 0; + + if (WhiteOnMove(yyboardindex)) { + currentMoveString[0] = ToUpper(yytext[0]); + return (int) WhiteDrop; + } else { + currentMoveString[0] = ToLower(yytext[0]); + return (int) BlackDrop; + } +} + YY_BREAK +case 11: +YY_RULE_SETUP +{ + if (WhiteOnMove(yyboardindex)) + return (int) BlackWins; + else + return (int) WhiteWins; +} + YY_BREAK +case 12: +YY_RULE_SETUP +{ + return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins); +} + YY_BREAK +case 13: +YY_RULE_SETUP +{ + return (int) GameUnfinished; +} + YY_BREAK +case 14: +YY_RULE_SETUP +{ + return (int) GameIsDrawn; +} + YY_BREAK +case 15: +YY_RULE_SETUP +{ + return (int) GameIsDrawn; +} + YY_BREAK +case 16: +YY_RULE_SETUP +{ + if (WhiteOnMove(yyboardindex)) + return (int) BlackWins; + else + return (int) WhiteWins; +} + YY_BREAK +case 17: +YY_RULE_SETUP +{ + if (WhiteOnMove(yyboardindex)) + return (int) BlackWins; + else + return (int) WhiteWins; +} + YY_BREAK +case 18: +YY_RULE_SETUP +{ + return (int) GameIsDrawn; +} + YY_BREAK +case 19: +YY_RULE_SETUP +{ + return (int) GameIsDrawn; +} + YY_BREAK +case 20: +YY_RULE_SETUP +{ + return (int) (ToUpper(yytext[0]) == 'W' ? WhiteWins : BlackWins); +} + YY_BREAK +case 21: +YY_RULE_SETUP +{ + return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins); +} + YY_BREAK +case 22: +YY_RULE_SETUP +{ + return (int) WhiteWins; +} + YY_BREAK +case 23: +YY_RULE_SETUP +{ + return (int) BlackWins; +} + YY_BREAK +case 24: +YY_RULE_SETUP +{ + return (int) GameIsDrawn; +} + YY_BREAK +case 25: +YY_RULE_SETUP +{ + return (int) GameUnfinished; +} + YY_BREAK +case 26: +YY_RULE_SETUP +{ + /* move numbers */ + if ((yyleng == 1) && (yytext[0] == '1')) + return (int) MoveNumberOne; +} + YY_BREAK +case 27: +YY_RULE_SETUP +{ + /* elapsed time indication, e.g. (0:12) or {10:21.071} */ + return (int) ElapsedTime; +} + YY_BREAK +case 28: +YY_RULE_SETUP +{ + /* position diagram enclosed in [-- --] */ + return (int) PositionDiagram; +} + YY_BREAK +case 29: +*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ +yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +{ + /* position diagram enclosed in {-- --} */ + return (int) PositionDiagram; +} + YY_BREAK +case 30: +YY_RULE_SETUP +{ + return (int) PGNTag; +} + YY_BREAK +case 31: +YY_RULE_SETUP +{ + return (int) GNUChessGame; +} + YY_BREAK +case 32: +*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ +yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +{ + return (int) XBoardGame; +} + YY_BREAK +case 33: +YY_RULE_SETUP +{ /* numeric annotation glyph */ + return (int) NAG; +} + YY_BREAK +case 34: +YY_RULE_SETUP +{ /* anything in {} */ + return (int) Comment; +} + YY_BREAK +case 35: +*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ +yy_c_buf_p = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +{ /* ; to end of line */ + return (int) Comment; +} + YY_BREAK +case 36: +YY_RULE_SETUP +{ /* anything in [] */ + return (int) Comment; +} + YY_BREAK +case 37: +YY_RULE_SETUP +{ /* nested () */ + return (int) Comment; +} + YY_BREAK +case 38: +YY_RULE_SETUP +{ /* >=2 chars in () */ + return (int) Comment; +} + YY_BREAK +case 39: +YY_RULE_SETUP +{ + /* Skip mail headers */ +} + YY_BREAK +case 40: +YY_RULE_SETUP +{ + /* Skip random words */ +} + YY_BREAK +case 41: +YY_RULE_SETUP +{ + /* Skip everything else */ +} + YY_BREAK +case 42: +YY_RULE_SETUP +ECHO; + YY_BREAK + case YY_STATE_EOF(INITIAL): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = yy_hold_char; + YY_RESTORE_YY_MORE_OFFSET + + if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between yy_current_buffer and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + yy_n_chars = yy_current_buffer->yy_n_chars; + yy_current_buffer->yy_input_file = yyin; + yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state(); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = yytext_ptr + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++yy_c_buf_p; + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = yy_c_buf_p; + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer() ) + { + case EOB_ACT_END_OF_FILE: + { + yy_did_buffer_switch_on_eof = 0; + + if ( yywrap() ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + yy_c_buf_p = yytext_ptr + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + yy_c_buf_p = + yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state(); + + yy_cp = yy_c_buf_p; + yy_bp = yytext_ptr + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + yy_c_buf_p = + &yy_current_buffer->yy_ch_buf[yy_n_chars]; + + yy_current_state = yy_get_previous_state(); + + yy_cp = yy_c_buf_p; + yy_bp = yytext_ptr + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ + } /* end of yylex */ + + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ + +static int yy_get_next_buffer() + { + register char *dest = yy_current_buffer->yy_ch_buf; + register char *source = yytext_ptr; + register int number_to_move, i; + int ret_val; + + if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( yy_current_buffer->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + yy_current_buffer->yy_n_chars = yy_n_chars = 0; + + else + { + int num_to_read = + yy_current_buffer->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ +#ifdef YY_USES_REJECT + YY_FATAL_ERROR( +"input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); +#else + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = yy_current_buffer; + + int yy_c_buf_p_offset = + (int) (yy_c_buf_p - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yy_flex_realloc( (void *) b->yy_ch_buf, + b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = yy_current_buffer->yy_buf_size - + number_to_move - 1; +#endif + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]), + yy_n_chars, num_to_read ); + + yy_current_buffer->yy_n_chars = yy_n_chars; + } + + if ( yy_n_chars == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart( yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + yy_current_buffer->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + yy_n_chars += number_to_move; + yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR; + yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; + + yytext_ptr = &yy_current_buffer->yy_ch_buf[0]; + + return ret_val; + } + + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + +static yy_state_type yy_get_previous_state() + { + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = yy_start; + yy_current_state += YY_AT_BOL(); + yy_state_ptr = yy_state_buf; + *yy_state_ptr++ = yy_current_state; + + for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 735 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + *yy_state_ptr++ = yy_current_state; + } + + return yy_current_state; + } + + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + +#ifdef YY_USE_PROTOS +static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state ) +#else +static yy_state_type yy_try_NUL_trans( yy_current_state ) +yy_state_type yy_current_state; +#endif + { + register int yy_is_jam; + + register YY_CHAR yy_c = 1; + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 735 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 734); + if ( ! yy_is_jam ) + *yy_state_ptr++ = yy_current_state; + + return yy_is_jam ? 0 : yy_current_state; + } + + +#ifndef YY_NO_UNPUT +#ifdef YY_USE_PROTOS +static void yyunput( int c, register char *yy_bp ) +#else +static void yyunput( c, yy_bp ) +int c; +register char *yy_bp; +#endif + { + register char *yy_cp = yy_c_buf_p; + + /* undo effects of setting up yytext */ + *yy_cp = yy_hold_char; + + if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + register int number_to_move = yy_n_chars + 2; + register char *dest = &yy_current_buffer->yy_ch_buf[ + yy_current_buffer->yy_buf_size + 2]; + register char *source = + &yy_current_buffer->yy_ch_buf[number_to_move]; + + while ( source > yy_current_buffer->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + yy_current_buffer->yy_n_chars = + yy_n_chars = yy_current_buffer->yy_buf_size; + + if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + + yytext_ptr = yy_bp; + yy_hold_char = *yy_cp; + yy_c_buf_p = yy_cp; + } +#endif /* ifndef YY_NO_UNPUT */ + + +#ifdef __cplusplus +static int yyinput() +#else +static int input() +#endif + { + int c; + + *yy_c_buf_p = yy_hold_char; + + if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] ) + /* This was really a NUL. */ + *yy_c_buf_p = '\0'; + + else + { /* need more input */ + int offset = yy_c_buf_p - yytext_ptr; + ++yy_c_buf_p; + + switch ( yy_get_next_buffer() ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart( yyin ); + + /* fall through */ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap() ) + return EOF; + + if ( ! yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + yy_c_buf_p = yytext_ptr + offset; + break; + } + } + } + + c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */ + *yy_c_buf_p = '\0'; /* preserve yytext */ + yy_hold_char = *++yy_c_buf_p; + + yy_current_buffer->yy_at_bol = (c == '\n'); + + return c; + } + + +#ifdef YY_USE_PROTOS +void yyrestart( FILE *input_file ) +#else +void yyrestart( input_file ) +FILE *input_file; +#endif + { + if ( ! yy_current_buffer ) + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); + + yy_init_buffer( yy_current_buffer, input_file ); + yy_load_buffer_state(); + } + + +#ifdef YY_USE_PROTOS +void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) +#else +void yy_switch_to_buffer( new_buffer ) +YY_BUFFER_STATE new_buffer; +#endif + { + if ( yy_current_buffer == new_buffer ) + return; + + if ( yy_current_buffer ) + { + /* Flush out information for old buffer. */ + *yy_c_buf_p = yy_hold_char; + yy_current_buffer->yy_buf_pos = yy_c_buf_p; + yy_current_buffer->yy_n_chars = yy_n_chars; + } + + yy_current_buffer = new_buffer; + yy_load_buffer_state(); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + yy_did_buffer_switch_on_eof = 1; + } + + +#ifdef YY_USE_PROTOS +void yy_load_buffer_state( void ) +#else +void yy_load_buffer_state() +#endif + { + yy_n_chars = yy_current_buffer->yy_n_chars; + yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos; + yyin = yy_current_buffer->yy_input_file; + yy_hold_char = *yy_c_buf_p; + } + + +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_create_buffer( FILE *file, int size ) +#else +YY_BUFFER_STATE yy_create_buffer( file, size ) +FILE *file; +int size; +#endif + { + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer( b, file ); + + return b; + } + + +#ifdef YY_USE_PROTOS +void yy_delete_buffer( YY_BUFFER_STATE b ) +#else +void yy_delete_buffer( b ) +YY_BUFFER_STATE b; +#endif + { + if ( ! b ) + return; + + if ( b == yy_current_buffer ) + yy_current_buffer = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yy_flex_free( (void *) b->yy_ch_buf ); + + yy_flex_free( (void *) b ); + } + + +#ifndef _WIN32 +#include +#else +#ifndef YY_ALWAYS_INTERACTIVE +#ifndef YY_NEVER_INTERACTIVE +extern int isatty YY_PROTO(( int )); +#endif +#endif +#endif + +#ifdef YY_USE_PROTOS +void yy_init_buffer( YY_BUFFER_STATE b, FILE *file ) +#else +void yy_init_buffer( b, file ) +YY_BUFFER_STATE b; +FILE *file; +#endif + + + { + yy_flush_buffer( b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + +#if YY_ALWAYS_INTERACTIVE + b->yy_is_interactive = 1; +#else +#if YY_NEVER_INTERACTIVE + b->yy_is_interactive = 0; +#else + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; +#endif +#endif + } + + +#ifdef YY_USE_PROTOS +void yy_flush_buffer( YY_BUFFER_STATE b ) +#else +void yy_flush_buffer( b ) +YY_BUFFER_STATE b; +#endif + + { + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == yy_current_buffer ) + yy_load_buffer_state(); + } + + +#ifndef YY_NO_SCAN_BUFFER +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size ) +#else +YY_BUFFER_STATE yy_scan_buffer( base, size ) +char *base; +yy_size_t size; +#endif + { + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer( b ); + + return b; + } +#endif + + +#ifndef YY_NO_SCAN_STRING +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str ) +#else +YY_BUFFER_STATE yy_scan_string( yy_str ) +yyconst char *yy_str; +#endif + { + int len; + for ( len = 0; yy_str[len]; ++len ) + ; + + return yy_scan_bytes( yy_str, len ); + } +#endif + + +#ifndef YY_NO_SCAN_BYTES +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len ) +#else +YY_BUFFER_STATE yy_scan_bytes( bytes, len ) +yyconst char *bytes; +int len; +#endif + { + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = len + 2; + buf = (char *) yy_flex_alloc( n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < len; ++i ) + buf[i] = bytes[i]; + + buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer( buf, n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; + } +#endif + + +#ifndef YY_NO_PUSH_STATE +#ifdef YY_USE_PROTOS +static void yy_push_state( int new_state ) +#else +static void yy_push_state( new_state ) +int new_state; +#endif + { + if ( yy_start_stack_ptr >= yy_start_stack_depth ) + { + yy_size_t new_size; + + yy_start_stack_depth += YY_START_STACK_INCR; + new_size = yy_start_stack_depth * sizeof( int ); + + if ( ! yy_start_stack ) + yy_start_stack = (int *) yy_flex_alloc( new_size ); + + else + yy_start_stack = (int *) yy_flex_realloc( + (void *) yy_start_stack, new_size ); + + if ( ! yy_start_stack ) + YY_FATAL_ERROR( + "out of memory expanding start-condition stack" ); + } + + yy_start_stack[yy_start_stack_ptr++] = YY_START; + + BEGIN(new_state); + } +#endif + + +#ifndef YY_NO_POP_STATE +static void yy_pop_state() + { + if ( --yy_start_stack_ptr < 0 ) + YY_FATAL_ERROR( "start-condition stack underflow" ); + + BEGIN(yy_start_stack[yy_start_stack_ptr]); + } +#endif + + +#ifndef YY_NO_TOP_STATE +static int yy_top_state() + { + return yy_start_stack[yy_start_stack_ptr - 1]; + } +#endif + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +#ifdef YY_USE_PROTOS +static void yy_fatal_error( yyconst char msg[] ) +#else +static void yy_fatal_error( msg ) +char msg[]; +#endif + { + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); + } + + + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + yytext[yyleng] = yy_hold_char; \ + yy_c_buf_p = yytext + n; \ + yy_hold_char = *yy_c_buf_p; \ + *yy_c_buf_p = '\0'; \ + yyleng = n; \ + } \ + while ( 0 ) + + +/* Internal utility routines. */ + +#ifndef yytext_ptr +#ifdef YY_USE_PROTOS +static void yy_flex_strncpy( char *s1, yyconst char *s2, int n ) +#else +static void yy_flex_strncpy( s1, s2, n ) +char *s1; +yyconst char *s2; +int n; +#endif + { + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; + } +#endif + +#ifdef YY_NEED_STRLEN +#ifdef YY_USE_PROTOS +static int yy_flex_strlen( yyconst char *s ) +#else +static int yy_flex_strlen( s ) +yyconst char *s; +#endif + { + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; + } +#endif + + +#ifdef YY_USE_PROTOS +static void *yy_flex_alloc( yy_size_t size ) +#else +static void *yy_flex_alloc( size ) +yy_size_t size; +#endif + { + return (void *) malloc( size ); + } + +#ifdef YY_USE_PROTOS +static void *yy_flex_realloc( void *ptr, yy_size_t size ) +#else +static void *yy_flex_realloc( ptr, size ) +void *ptr; +yy_size_t size; +#endif + { + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); + } + +#ifdef YY_USE_PROTOS +static void yy_flex_free( void *ptr ) +#else +static void yy_flex_free( ptr ) +void *ptr; +#endif + { + free( ptr ); + } + +#if YY_MAIN +int main() + { + yylex(); + return 0; + } +#endif + + + +static char *StringToLex; + +#ifndef FLEX_SCANNER +static FILE *lexFP; + +static int input() +{ + int ret; + + if (StringToLex != NULL) { + ret = *StringToLex; + if (ret == NULLCHAR) + ret = EOF; + else + StringToLex++; + } else if (unputCount > 0) { + ret = unputBuffer[--unputCount]; + } else { + ret = fgetc(lexFP); + } + + if (ret == EOF) + return 0; + else + return ret; +} + +/* + * Return offset of next pattern within current file + */ +int yyoffset() +{ + int offset = ftell(lexFP) - unputCount; + + if (offset < 0) { + offset = 0; + } + return(offset); +} + +static void output(ch) + int ch; +{ + fprintf(stderr, "PARSER BUG: unmatched character '%c' (0%o)\n", + ch, ch); +} + +static void unput(ch) + int ch; +{ + if (ch == 0) return; + if (StringToLex != NULL) { + StringToLex--; + } else { + if (unputCount >= UNPUT_BUF_SIZE) + fprintf(stderr, "PARSER BUG: unput buffer overflow '%c' (0%o)\n", + ch, ch); + unputBuffer[unputCount++] = ch; + } +} + +/* Get ready to lex from a new file. Kludge below sticks + an artificial newline at the front of the file, which the + above grammar ignores, but which makes ^ at start of pattern + match at the real start of the file. +*/ +void yynewfile(f) + FILE *f; +{ + lexFP = f; + StringToLex = NULL; + unputCount = 0; + unput('\n'); /* kludge */ +} + +/* Get ready to lex from a string. ^ at start of pattern WON'T + match at the start of the string! +*/ +void yynewstr(s) + char *s; +{ + lexFP = NULL; + StringToLex = s; + unputCount = 0; +} +#endif /*!FLEX_SCANNER*/ + +#ifdef FLEX_SCANNER +void my_yy_input(buf, result, max_size) + char *buf; + int *result; + int max_size; +{ + int count; + + if (StringToLex != NULL) { + count = 0; + while (*StringToLex != NULLCHAR) { + *buf++ = *StringToLex++; + count++; + } + *result = count; + return; + } else { + count = fread(buf, 1, max_size, yyin); + if (count == 0) { + *result = YY_NULL; + } else { + *result = count; + } + return; + } +} + +static YY_BUFFER_STATE my_file_buffer = NULL; + +/* + Return offset of next pattern in the current file. +*/ +int yyoffset() +{ + int pos = yy_c_buf_p - yy_current_buffer->yy_ch_buf; + + return(ftell(yy_current_buffer->yy_input_file) - + yy_n_chars + pos); +} + + +void yynewstr(s) + char *s; +{ + if (my_file_buffer != NULL) + yy_delete_buffer(my_file_buffer); + StringToLex = s; + my_file_buffer = yy_create_buffer(stdin, YY_BUF_SIZE); + yy_switch_to_buffer(my_file_buffer); +} + +void yynewfile(f) + FILE *f; +{ + if (my_file_buffer != NULL) + yy_delete_buffer(my_file_buffer); + StringToLex = NULL; + my_file_buffer = yy_create_buffer(f, YY_BUF_SIZE); + yy_switch_to_buffer(my_file_buffer); +} +#endif /*FLEX_SCANNER*/ + +int yywrap() +{ + return TRUE; +} + +/* Parse a move from the given string s */ +/* ^ at start of pattern WON'T work here unless using flex */ +ChessMove yylexstr(boardIndex, s) + int boardIndex; + char *s; +{ + ChessMove ret; + char *oldStringToLex; +#ifdef FLEX_SCANNER + YY_BUFFER_STATE buffer, oldBuffer; +#endif + + yyboardindex = boardIndex; + oldStringToLex = StringToLex; + StringToLex = s; +#ifdef FLEX_SCANNER + buffer = yy_create_buffer(stdin, YY_BUF_SIZE); + oldBuffer = YY_CURRENT_BUFFER; + yy_switch_to_buffer(buffer); +#endif /*FLEX_SCANNER*/ + + ret = (ChessMove) yylex(); + +#ifdef FLEX_SCANNER + if (oldBuffer != NULL) + yy_switch_to_buffer(oldBuffer); + yy_delete_buffer(buffer); +#endif /*FLEX_SCANNER*/ + StringToLex = oldStringToLex; + + return ret; +}