-%a 10000\r
-%o 10000\r
-%e 2000\r
-%k 2500\r
-%p 7000\r
-%n 1000\r
-%{\r
-/*\r
- * parser.l -- lex parser of algebraic chess moves for XBoard\r
- *\r
- * Copyright 1991 by Digital Equipment Corporation, Maynard,\r
- * Massachusetts.\r
- *\r
- * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005,\r
- * 2006, 2007, 2008, 2009 Free Software Foundation, Inc.\r
- *\r
- * The following terms apply to Digital Equipment Corporation's copyright\r
- * interest in XBoard:\r
- * ------------------------------------------------------------------------\r
- * All Rights Reserved\r
- *\r
- * Permission to use, copy, modify, and distribute this software and its\r
- * documentation for any purpose and without fee is hereby granted,\r
- * provided that the above copyright notice appear in all copies and that\r
- * both that copyright notice and this permission notice appear in\r
- * supporting documentation, and that the name of Digital not be\r
- * used in advertising or publicity pertaining to distribution of the\r
- * software without specific, written prior permission.\r
- *\r
- * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING\r
- * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL\r
- * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR\r
- * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,\r
- * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,\r
- * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS\r
- * SOFTWARE.\r
- * ------------------------------------------------------------------------\r
- *\r
- * The following terms apply to the enhanced version of XBoard\r
- * distributed by the Free Software Foundation:\r
- * ------------------------------------------------------------------------\r
- *\r
- * GNU XBoard is free software: you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation, either version 3 of the License, or (at\r
- * your option) any later version.\r
- *\r
- * GNU XBoard is distributed in the hope that it will be useful, but\r
- * WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
- * General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program. If not, see http://www.gnu.org/licenses/. \r
- *\r
- *------------------------------------------------------------------------\r
- ** See the file ChangeLog for a revision history. */\r
-\r
-/* This parser handles all forms of promotion.\r
- * The parser resolves ambiguous moves by searching and check-testing.\r
- * It also parses comments of the form [anything] or (anything).\r
- *\r
- * [HGM] Parser extensively modified for bigger boards, Shogi-like syntax,\r
- * and unknow pieces. All pieces are now mandatory upper case, but can be\r
- * any letter A-Z. Files must be lower case (as before), but can run upto 'l'.\r
- * Ranks can be 0-9. The parser returns 0 for off-board files and ranks.\r
- * For an unknown piece (as mover or promotion piece) it returns\r
- * IllegalMove, like it does when the piece doesn't match.\r
- * Promotions can now also be appended Shogi-style, a bare '=' or '+',\r
- * and this is then returned as promotion character. The piece indicator\r
- * can be prefixed by a '+' to indicate it is a promoted piece.\r
- */\r
-\r
-#include "config.h"\r
-\r
-#define NO_CONSTRAINT -1\r
-#undef YYLMAX\r
-#define YYLMAX 4096\r
-#define UNPUT_BUF_SIZE YYLMAX\r
-\r
-#ifdef FLEX_SCANNER\r
-/* yytext is probably a char*, but could be a char[]. yy_text is set\r
- in YY_DECL below, because if yytext is a char*, its value is not\r
- constant. */\r
-char *yy_text;\r
-#else /*!FLEX_SCANNER*/\r
-/* yytext is definitely a char[], so yy_text can be set here, statically. */\r
-char *yy_text = (char *) yytext;\r
-#endif\r
-\r
-#ifdef FLEX_SCANNER\r
-/* This is flex */\r
-/* [AP] use prototypes in function declarations */\r
-#define YY_USE_PROTOS\r
-\r
-#ifdef YY_USE_PROTOS\r
-#define YY_PROTO(proto) proto\r
-#else\r
-#define YY_PROTO(proto) ()\r
-#endif\r
-/* end of [AP] fix */\r
-\r
-#undef YY_INPUT\r
-#define YY_INPUT(buf, result, max_size) my_yy_input(buf, &result, max_size)\r
-#undef YY_DECL\r
-#define YY_DECL \\r
- int _yylex YY_PROTO((void)); \\r
- int yylex YY_PROTO((void)) \\r
- { \\r
- int result = _yylex(); \\r
- yy_text = (char *) yytext; \\r
- return(result); \\r
- } \\r
- int _yylex YY_PROTO((void))\r
-#else\r
-/* This is lex */\r
-#undef input\r
-#undef output\r
-#undef unput\r
-#endif\r
-\r
-/* The includes must be here, below the #undef input */\r
-\r
-#include <ctype.h>\r
-\r
-#if STDC_HEADERS\r
-# include <stdlib.h>\r
-# include <string.h>\r
-#else /* not STDC_HEADERS */\r
-# if HAVE_STRING_H\r
-# include <string.h>\r
-# else /* not HAVE_STRING_H */\r
-# include <strings.h>\r
-# endif /* not HAVE_STRING_H */\r
-#endif /* not STDC_HEADERS */\r
-\r
-#if HAVE_UNISTD_H\r
-# include <unistd.h>\r
-#endif\r
-\r
-#if defined(_amigados)\r
-# include <errno.h>\r
-# if HAVE_FCNTL_H\r
-# include <fcntl.h> /* isatty() prototype */\r
-# endif /* HAVE_FCNTL_H */\r
-#endif /* defined(_amigados) */\r
-\r
-#include "common.h"\r
-#include "backend.h"\r
-#include "frontend.h"\r
-#include "parser.h"\r
-#include "moves.h"\r
-\r
-extern int PosFlags P((int));\r
-\r
-extern Board boards[MAX_MOVES];\r
-int yyboardindex;\r
-int yyskipmoves = FALSE;\r
-char currentMoveString[YYLMAX];\r
-#ifndef FLEX_SCANNER\r
-char unputBuffer[UNPUT_BUF_SIZE];\r
-int unputCount = 0;\r
-#endif\r
-\r
-#ifdef FLEX_SCANNER\r
-void my_yy_input P((char *buf, int *result, int max_size));\r
-#else /*!FLEX_SCANNER*/\r
-static int input P((void));\r
-static void output P((int ch));\r
-static void unput P((int ch));\r
-int yylook P((void));\r
-int yyback P((int *, int));\r
-#endif\r
-#undef yywrap\r
-int yywrap P((void));\r
-extern void CopyBoard P((Board to, Board from));\r
-\r
-%}\r
-%%\r
-\r
-"+"?[A-Z][/]?[a-l][0-9][xX:-]?[a-l][0-9]((=?\(?[A-Z]\)?)|=)? {\r
- /*\r
- * Fully-qualified algebraic move, possibly with promotion\r
- */\r
- int skip1 = 0, skip2 = 0, skip3 = 0, promoted = 0;\r
- ChessSquare piece;\r
- ChessMove result;\r
- char c;\r
- \r
- if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */\r
-\r
- if (yytext[0] == '+') skip1 = skip3 = promoted = 1; /* [HGM] Shogi promoted */\r
-\r
- /* remove the / */\r
- if (yytext[1+skip1] == '/') skip1++; \r
- \r
- /* remove the [xX:-] */\r
- if ((yytext[3+skip1] == 'x') || (yytext[3+skip1] == 'X') ||\r
- (yytext[3+skip1] == '-') || (yytext[3+skip1] == ':')) skip2 = 1;\r
- \r
- currentMoveString[0] = yytext[1+skip1];\r
- currentMoveString[1] = yytext[2+skip1];\r
- currentMoveString[2] = yytext[3+skip1+skip2];\r
- currentMoveString[3] = yytext[4+skip1+skip2];\r
- currentMoveString[4] = NULLCHAR;\r
- \r
- if (appData.debugMode) {\r
- fprintf(debugFP, "Parser Qa1b2: yyleng=%d\n",\r
- yyleng);\r
- }\r
-\r
- if (yyleng-skip1-skip2 > 5) { char c;\r
- if (yytext[yyleng-1] == ')') {\r
- c = currentMoveString[4] = ToLower(yytext[yyleng-2]);\r
- } else {\r
- c = currentMoveString[4] = ToLower(yytext[yyleng-1]);\r
- }\r
- currentMoveString[5] = NULLCHAR;\r
- if(c != '=' && c != '+' && CharToPiece(c) == EmptySquare)\r
- return IllegalMove; /* [HGM] promotion to invalid piece */\r
- }\r
-\r
- if (appData.debugMode) {\r
- fprintf(debugFP, "parser: %s\n", currentMoveString);\r
- }\r
- /* [HGM] do not allow values beyond board size */\r
- if(currentMoveString[1] - ONE >= BOARD_HEIGHT ||\r
- currentMoveString[1] - ONE < 0 ||\r
- currentMoveString[0] - AAA >= BOARD_RGHT ||\r
- currentMoveString[3] - ONE >= BOARD_HEIGHT ||\r
- currentMoveString[3] - ONE < 0 ||\r
- currentMoveString[2] - AAA >= BOARD_RGHT ||\r
- currentMoveString[0] - AAA < BOARD_LEFT ||\r
- currentMoveString[2] - AAA < BOARD_LEFT )\r
- return ImpossibleMove;\r
-\r
- piece = boards[yyboardindex]\r
- [currentMoveString[1] - ONE][currentMoveString[0] - AAA];\r
- if(promoted) piece = (ChessSquare) (DEMOTED piece);\r
- c = PieceToChar(piece);\r
- if(c == '~') c = PieceToChar((ChessSquare) (DEMOTED piece));\r
- if (ToLower(yytext[skip3]) != ToLower(c))\r
- return (int) IllegalMove;\r
-\r
- result = LegalityTest(boards[yyboardindex],\r
- PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!\r
- currentMoveString[1] - ONE,\r
- currentMoveString[0] - AAA,\r
- currentMoveString[3] - ONE,\r
- currentMoveString[2] - AAA,\r
- currentMoveString[4]);\r
-\r
- if (currentMoveString[4] == NULLCHAR &&\r
- (result == WhitePromotionKnight || result == BlackPromotionKnight ||\r
- result == WhitePromotionQueen || result == BlackPromotionQueen)) {\r
- currentMoveString[4] = PieceToChar(BlackQueen);\r
- currentMoveString[5] = NULLCHAR;\r
- }\r
-\r
- return (int) result;\r
-}\r
-\r
-[a-l][0-9][xX:-]?[a-l][0-9]((=?\(?[A-Za-z]\)?)|=)? {\r
- /*\r
- * Simple algebraic move, possibly with promotion\r
- * [HGM] Engine moves are received in this format, with lower-case promoChar!\r
- */\r
- int skip = 0;\r
- ChessMove result;\r
-\r
- if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */\r
-\r
- /* remove the [xX:-] */\r
- if ((yytext[2] == 'x') || (yytext[2] == 'X') ||\r
- (yytext[2] == '-') || (yytext[2] == ':')) skip = 1;\r
-\r
- currentMoveString[0] = yytext[0];\r
- currentMoveString[1] = yytext[1];\r
- currentMoveString[2] = yytext[2+skip];\r
- currentMoveString[3] = yytext[3+skip];\r
- currentMoveString[4] = NULLCHAR;\r
-\r
- if (yyleng-skip > 4) { char c;\r
- if (yytext[yyleng-1] == ')') {\r
- c = currentMoveString[4] = ToLower(yytext[yyleng-2]);\r
- } else {\r
- c = currentMoveString[4] = ToLower(yytext[yyleng-1]);\r
- }\r
- currentMoveString[5] = NULLCHAR;\r
- if(c != '=' && c != '+' && CharToPiece(c) == EmptySquare)\r
- return IllegalMove;\r
- }\r
-\r
- /* [HGM] do not allow values beyond board size */\r
- if(currentMoveString[1] - ONE >= BOARD_HEIGHT ||\r
- currentMoveString[1] - ONE < 0 ||\r
- currentMoveString[0] - AAA >= BOARD_RGHT ||\r
- currentMoveString[3] - ONE >= BOARD_HEIGHT ||\r
- currentMoveString[3] - ONE < 0 ||\r
- currentMoveString[2] - AAA >= BOARD_RGHT ||\r
- currentMoveString[0] - AAA < BOARD_LEFT ||\r
- currentMoveString[2] - AAA < BOARD_LEFT )\r
- return ImpossibleMove;\r
-\r
- result = LegalityTest(boards[yyboardindex],\r
- PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!\r
- currentMoveString[1] - ONE,\r
- currentMoveString[0] - AAA,\r
- currentMoveString[3] - ONE,\r
- currentMoveString[2] - AAA,\r
- currentMoveString[4]);\r
-\r
+%a 10000
+%o 10000
+%e 2000
+%k 2500
+%p 7000
+%n 1000
+%{
+/*
+ * parser.l -- lex parser of algebraic chess moves for XBoard
+ *
+ * Copyright 1991 by Digital Equipment Corporation, Maynard,
+ * Massachusetts.
+ *
+ * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005,
+ * 2006, 2007, 2008, 2009 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:
+ * ------------------------------------------------------------------------
+ *
+ * GNU XBoard 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 3 of the License, or (at
+ * your option) any later version.
+ *
+ * GNU XBoard 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, see http://www.gnu.org/licenses/.
+ *
+ *------------------------------------------------------------------------
+ ** See the file ChangeLog for a revision history. */
+
+/* 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).
+ *
+ * [HGM] Parser extensively modified for bigger boards, Shogi-like syntax,
+ * and unknow pieces. All pieces are now mandatory upper case, but can be
+ * any letter A-Z. Files must be lower case (as before), but can run upto 'l'.
+ * Ranks can be 0-9. The parser returns 0 for off-board files and ranks.
+ * For an unknown piece (as mover or promotion piece) it returns
+ * IllegalMove, like it does when the piece doesn't match.
+ * Promotions can now also be appended Shogi-style, a bare '=' or '+',
+ * and this is then returned as promotion character. The piece indicator
+ * can be prefixed by a '+' to indicate it is a promoted piece.
+ */
+
+#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 */
+/* [AP] use prototypes in function declarations */
+#define YY_USE_PROTOS
+
+#ifdef YY_USE_PROTOS
+#define YY_PROTO(proto) proto
+#else
+#define YY_PROTO(proto) ()
+#endif
+/* end of [AP] fix */
+
+#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 <ctype.h>
+
+#if STDC_HEADERS
+# include <stdlib.h>
+# include <string.h>
+#else /* not STDC_HEADERS */
+# if HAVE_STRING_H
+# include <string.h>
+# else /* not HAVE_STRING_H */
+# include <strings.h>
+# endif /* not HAVE_STRING_H */
+#endif /* not STDC_HEADERS */
+
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#if defined(_amigados)
+# include <errno.h>
+# if HAVE_FCNTL_H
+# include <fcntl.h> /* 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));
+
+%}
+%%
+
+"+"?[A-Z][/]?[a-l][0-9][xX:-]?[a-l][0-9]((=?\(?[A-Z]\)?)|=)? {
+ /*
+ * Fully-qualified algebraic move, possibly with promotion
+ */
+ int skip1 = 0, skip2 = 0, skip3 = 0, promoted = 0;
+ ChessSquare piece;
+ ChessMove result;
+ char c;
+
+ if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */
+
+ if (yytext[0] == '+') skip1 = skip3 = promoted = 1; /* [HGM] Shogi promoted */
+
+ /* remove the / */
+ if (yytext[1+skip1] == '/') skip1++;
+
+ /* 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 (appData.debugMode) {
+ fprintf(debugFP, "Parser Qa1b2: yyleng=%d\n",
+ yyleng);
+ }
+
+ if (yyleng-skip1-skip2 > 5) { char c;
+ if (yytext[yyleng-1] == ')') {
+ c = currentMoveString[4] = ToLower(yytext[yyleng-2]);
+ } else {
+ c = currentMoveString[4] = ToLower(yytext[yyleng-1]);
+ }
+ currentMoveString[5] = NULLCHAR;
+ if(c != '=' && c != '+' && CharToPiece(c) == EmptySquare)
+ return IllegalMove; /* [HGM] promotion to invalid piece */
+ }
+
+ if (appData.debugMode) {
+ fprintf(debugFP, "parser: %s\n", currentMoveString);
+ }
+ /* [HGM] do not allow values beyond board size */
+ if(currentMoveString[1] - ONE >= BOARD_HEIGHT ||
+ currentMoveString[1] - ONE < 0 ||
+ currentMoveString[0] - AAA >= BOARD_RGHT ||
+ currentMoveString[3] - ONE >= BOARD_HEIGHT ||
+ currentMoveString[3] - ONE < 0 ||
+ currentMoveString[2] - AAA >= BOARD_RGHT ||
+ currentMoveString[0] - AAA < BOARD_LEFT ||
+ currentMoveString[2] - AAA < BOARD_LEFT )
+ return ImpossibleMove;
+
+ piece = boards[yyboardindex]
+ [currentMoveString[1] - ONE][currentMoveString[0] - AAA];
+ if(promoted) piece = (ChessSquare) (DEMOTED piece);
+ c = PieceToChar(piece);
+ if(c == '~') c = PieceToChar((ChessSquare) (DEMOTED piece));
+ if (ToLower(yytext[skip3]) != ToLower(c))
+ return (int) IllegalMove;
+
+ result = LegalityTest(boards[yyboardindex],
+ PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!
+ currentMoveString[1] - ONE,
+ currentMoveString[0] - AAA,
+ currentMoveString[3] - ONE,
+ currentMoveString[2] - AAA,
+ currentMoveString[4]);
+
+ if (currentMoveString[4] == NULLCHAR &&
+ (result == WhitePromotionKnight || result == BlackPromotionKnight ||
+ result == WhitePromotionQueen || result == BlackPromotionQueen)) {
+ currentMoveString[4] = PieceToChar(BlackQueen);
+ currentMoveString[5] = NULLCHAR;
+ }
+
+ return (int) result;
+}
+
+[a-l][0-9][xX:-]?[a-l][0-9]((=?\(?[A-Za-z]\)?)|=)? {
+ /*
+ * Simple algebraic move, possibly with promotion
+ * [HGM] Engine moves are received in this format, with lower-case promoChar!
+ */
+ 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) { char c;
+ if (yytext[yyleng-1] == ')') {
+ c = currentMoveString[4] = ToLower(yytext[yyleng-2]);
+ } else {
+ c = currentMoveString[4] = ToLower(yytext[yyleng-1]);
+ }
+ currentMoveString[5] = NULLCHAR;
+ if(c != '=' && c != '+' && CharToPiece(c) == EmptySquare)
+ return IllegalMove;
+ }
+
+ /* [HGM] do not allow values beyond board size */
+ if(currentMoveString[1] - ONE >= BOARD_HEIGHT ||
+ currentMoveString[1] - ONE < 0 ||
+ currentMoveString[0] - AAA >= BOARD_RGHT ||
+ currentMoveString[3] - ONE >= BOARD_HEIGHT ||
+ currentMoveString[3] - ONE < 0 ||
+ currentMoveString[2] - AAA >= BOARD_RGHT ||
+ currentMoveString[0] - AAA < BOARD_LEFT ||
+ currentMoveString[2] - AAA < BOARD_LEFT )
+ return ImpossibleMove;
+
+ result = LegalityTest(boards[yyboardindex],
+ PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!
+ currentMoveString[1] - ONE,
+ currentMoveString[0] - AAA,
+ currentMoveString[3] - ONE,
+ currentMoveString[2] - AAA,
+ currentMoveString[4]);
+
if (currentMoveString[4] == NULLCHAR) {
if(result == WhitePromotionKnight || result == BlackPromotionKnight ||
result == WhitePromotionQueen || result == BlackPromotionQueen) {
currentMoveString[2] - AAA,
currentMoveString[4]);
- if (currentMoveString[4] == NULLCHAR &&\r
- (result == WhitePromotionKnight || result == BlackPromotionKnight ||\r
- result == WhitePromotionQueen || result == BlackPromotionQueen)) {\r
- if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)\r
- currentMoveString[4] = PieceToChar(BlackFerz);\r
- else if(gameInfo.variant == VariantGreat)\r
- currentMoveString[4] = PieceToChar(BlackMan);\r
- else\r
- currentMoveString[4] = PieceToChar(BlackQueen);\r
- currentMoveString[5] = NULLCHAR;\r
+ if (currentMoveString[4] == NULLCHAR &&
+ (result == WhitePromotionKnight || result == BlackPromotionKnight ||
+ result == WhitePromotionQueen || result == BlackPromotionQueen)) {
+ if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
+ currentMoveString[4] = PieceToChar(BlackFerz);
+ else if(gameInfo.variant == VariantGreat)
+ currentMoveString[4] = PieceToChar(BlackMan);
+ else
+ currentMoveString[4] = PieceToChar(BlackQueen);
+ currentMoveString[5] = NULLCHAR;
} else if(appData.testLegality && // strip off unnecessary and false promo characters
!(result == WhitePromotionQueen || result == BlackPromotionQueen ||
result == WhiteNonPromotion || result == BlackNonPromotion)) currentMoveString[4] = NULLCHAR;
-\r
- return (int) result;\r
-}\r
-\r
-[a-l][0-9]((=?\(?[A-Za-z]\)?)|=)? {\r
- /*\r
- * Pawn move, possibly with promotion\r
- */\r
- DisambiguateClosure cl;\r
- int skip = 0; char c;\r
-\r
- if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */\r
-\r
- /* remove the =() */\r
- if (yytext[2] == '=' && yytext[3] != NULLCHAR) skip++;\r
- if (yytext[2+skip] == '(') skip++;\r
-\r
- cl.pieceIn = WhiteOnMove(yyboardindex) ? WhitePawn : BlackPawn;\r
- cl.rfIn = -1;\r
- cl.ffIn = yytext[0] - AAA;\r
- cl.rtIn = yytext[1] - ONE;\r
- cl.ftIn = yytext[0] - AAA;\r
- c = cl.promoCharIn = ToLower(yytext[2+skip]);\r
-\r
- /* [HGM] do not allow values beyond board size */\r
- if(cl.rtIn >= BOARD_HEIGHT ||\r
- cl.rtIn < 0 ||\r
- cl.ffIn >= BOARD_RGHT ||\r
- cl.ftIn < BOARD_LEFT )\r
- return ImpossibleMove;\r
-\r
- if(c != '=' && c != '+' && c != NULLCHAR && CharToPiece(c) == EmptySquare)\r
- return IllegalMove;\r
-\r
-\r
- Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &cl);\r
-\r
- currentMoveString[0] = cl.ff + AAA;\r
- currentMoveString[1] = cl.rf + ONE;\r
- currentMoveString[2] = cl.ft + AAA;\r
- currentMoveString[3] = cl.rt + ONE;\r
- currentMoveString[4] = cl.promoChar;\r
- currentMoveString[5] = NULLCHAR;\r
-\r
- return (int) cl.kind;\r
-}\r
-\r
-\r
-(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]))((=?\(?[A-Z]\)?)|ep|"e.p."|=)? {\r
- /*\r
- * Pawn capture, possibly with promotion, possibly ambiguous\r
- */\r
- DisambiguateClosure cl;\r
- int skip1 = 0, skip2 = 0; char c;\r
-\r
- if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */\r
-\r
- /* remove trailing ep or e.p. (nonstandard PGN) */\r
- if (yytext[yyleng-1] == 'p') {\r
- yyleng -= 2;\r
- yytext[yyleng] = NULLCHAR;\r
- } else if (yytext[yyleng-1] == '.') {\r
- yyleng -= 4;\r
- yytext[yyleng] = NULLCHAR;\r
- }\r
-\r
- /* remove the [xX:-] and =() */\r
- if ((yytext[1] == 'x') || (yytext[1] == 'X')\r
- || (yytext[1] == ':') || (yytext[1] == '-')) skip1 = 1;\r
- if (yytext[2+skip1] == '=' && yytext[3+skip1] != NULLCHAR) skip2++;\r
- if (yytext[2+skip1+skip2] == '(') skip2++;\r
-\r
- cl.pieceIn = WhiteOnMove(yyboardindex) ? WhitePawn : BlackPawn;\r
- cl.rfIn = -1;\r
- cl.ffIn = yytext[0] - AAA;\r
- cl.rtIn = -1;\r
- cl.ftIn = yytext[1+skip1] - AAA;\r
- c = cl.promoCharIn = yytext[2+skip1+skip2];\r
-\r
- /* [HGM] do not allow values beyond board size */\r
- if(cl.ffIn >= BOARD_RGHT ||\r
- cl.ffIn < BOARD_LEFT ||\r
- cl.ftIn >= BOARD_RGHT ||\r
- cl.ftIn < BOARD_LEFT )\r
- return ImpossibleMove;\r
-\r
- if(c != '=' && c != '+' && c != NULLCHAR && CharToPiece(c) == EmptySquare)\r
- return IllegalMove;\r
-\r
- Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &cl);\r
-\r
- currentMoveString[0] = cl.ff + AAA;\r
- currentMoveString[1] = cl.rf + ONE;\r
- currentMoveString[2] = cl.ft + AAA;\r
- currentMoveString[3] = cl.rt + ONE;\r
- currentMoveString[4] = cl.promoChar;\r
- currentMoveString[5] = NULLCHAR;\r
-\r
- return (int) cl.kind;\r
-}\r
-\r
-[a-l][xX:]?[a-l][0-9]((=?\(?[A-Z]\)?)|ep|"e.p."|=)? {\r
- /*\r
- * unambiguously abbreviated Pawn capture, possibly with promotion\r
- */\r
- int skip = 0;\r
- ChessMove result; char c;\r
-\r
- if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */\r
-\r
- /* remove trailing ep or e.p. (nonstandard PGN) */\r
- if (yytext[yyleng-1] == 'p') {\r
- yyleng -= 2;\r
- yytext[yyleng] = NULLCHAR;\r
- } else if (yytext[yyleng-1] == '.') {\r
- yyleng -= 4;\r
- yytext[yyleng] = NULLCHAR;\r
- }\r
-\r
- /* remove the [xX:-] */\r
- if ((yytext[1] == 'x') || (yytext[1] == 'X')\r
- || (yytext[1] == ':') || (yytext[1] == '-')) skip = 1;\r
-\r
- currentMoveString[0] = yytext[0];\r
- currentMoveString[2] = yytext[1+skip];\r
- currentMoveString[3] = yytext[2+skip];\r
-\r
- /* [HGM] do not allow values beyond board size */\r
- if(currentMoveString[0] - AAA >= BOARD_RGHT ||\r
- currentMoveString[3] - ONE >= BOARD_HEIGHT ||\r
- currentMoveString[3] - ONE < 0 ||\r
- currentMoveString[2] - AAA >= BOARD_RGHT ||\r
- currentMoveString[0] - AAA < BOARD_LEFT ||\r
- currentMoveString[2] - AAA < BOARD_LEFT )\r
- return ImpossibleMove;\r
-\r
- if (gameInfo.variant == VariantXiangqi && /* [HGM] In Xiangqi rank stays same */\r
- currentMoveString[0] != currentMoveString[2] ) {\r
- currentMoveString[1] = yytext[2+skip];\r
- } else \r
- if (WhiteOnMove(yyboardindex)) {\r
- if (yytext[2+skip] == ONE) return (int) ImpossibleMove;\r
- currentMoveString[1] = yytext[2+skip] - 1;\r
- if(boards[yyboardindex][currentMoveString[1]-ONE][currentMoveString[0]-AAA] != WhitePawn) \r
- return ImpossibleMove;\r
- } else {\r
- currentMoveString[1] = currentMoveString[3] + 1;\r
- if (currentMoveString[3] == ONE+BOARD_HEIGHT-1) return (int) ImpossibleMove;\r
- if(boards[yyboardindex][currentMoveString[1]-ONE][currentMoveString[0]-AAA] != BlackPawn) \r
- return ImpossibleMove;\r
- }\r
- if (yyleng-skip > 3) {\r
- if (yytext[yyleng-1] == ')')\r
- c = currentMoveString[4] = ToLower(yytext[yyleng-2]);\r
- else\r
- c = currentMoveString[4] = ToLower(yytext[yyleng-1]);\r
- currentMoveString[5] = NULLCHAR;\r
- if(c != '=' && c != '+' && CharToPiece(c) == EmptySquare)\r
- return IllegalMove;\r
- } else {\r
- currentMoveString[4] = NULLCHAR;\r
- }\r
-\r
- result = LegalityTest(boards[yyboardindex],\r
- PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!\r
- currentMoveString[1] - ONE,\r
- currentMoveString[0] - AAA,\r
- currentMoveString[3] - ONE,\r
- currentMoveString[2] - AAA,\r
- currentMoveString[4]);\r
-\r
- if (currentMoveString[4] == NULLCHAR &&\r
- (result == WhitePromotionQueen || result == BlackPromotionQueen ||\r
- result == WhitePromotionKnight || result == BlackPromotionKnight)) {\r
- currentMoveString[4] = PieceToChar(BlackQueen);\r
- // [HGM] shatranj: take care of variants without Queen\r
- if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)\r
- currentMoveString[4] = PieceToChar(BlackFerz);\r
- if(gameInfo.variant == VariantGreat)\r
- currentMoveString[4] = PieceToChar(BlackMan);\r
- currentMoveString[5] = NULLCHAR;\r
- }\r
-\r
- if (result != IllegalMove) return (int) result;\r
-\r
- /* Special case: improperly written en passant capture */\r
- if (WhiteOnMove(yyboardindex)) {\r
- if (currentMoveString[3] == '5') {\r
- currentMoveString[1] = '5';\r
- currentMoveString[3] = '6';\r
- } else {\r
- return (int) IllegalMove;\r
- }\r
- } else {\r
- if (currentMoveString[3] == '4') {\r
- currentMoveString[1] = '4';\r
- currentMoveString[3] = '3';\r
- } else {\r
- return (int) IllegalMove;\r
- }\r
- }\r
-\r
- result = LegalityTest(boards[yyboardindex],\r
- PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!\r
- currentMoveString[1] - ONE,\r
- currentMoveString[0] - AAA,\r
- currentMoveString[3] - ONE,\r
- currentMoveString[2] - AAA,\r
- currentMoveString[4]);\r
-\r
- if (result == WhiteCapturesEnPassant || result == BlackCapturesEnPassant)\r
- return (int) result;\r
- else\r
- return (int) IllegalMove;\r
-}\r
-\r
-"+"?[A-Z][xX:-]?[a-l][0-9]=? {\r
- /*\r
- * piece move, possibly ambiguous\r
- */\r
- DisambiguateClosure cl;\r
- int skip = 0, skip2 = 0, promoted = 0;\r
-\r
- if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */\r
-\r
- if(yytext[0] == '+') promoted = skip = skip2 = 1;\r
-\r
- /* remove the [xX:-] */\r
- if ((yytext[1+skip] == 'x') || (yytext[1+skip] == 'X')\r
- || (yytext[1+skip] == ':') || (yytext[1+skip] == '-')) skip++;\r
-\r
- if (WhiteOnMove(yyboardindex)) {\r
- cl.pieceIn = CharToPiece(ToUpper(yytext[skip2]));\r
- } else {\r
- cl.pieceIn = CharToPiece(ToLower(yytext[skip2]));\r
- }\r
- if(promoted) cl.pieceIn = (ChessSquare) (PROMOTED cl.pieceIn);\r
-\r
- cl.rfIn = -1;\r
- cl.ffIn = -1;\r
- cl.rtIn = yytext[2+skip] - ONE;\r
- cl.ftIn = yytext[1+skip] - AAA;\r
- cl.promoCharIn = NULLCHAR;\r
-\r
- if(yyleng-skip > 3) /* [HGM] can have Shogi-style promotion */\r
- cl.promoCharIn = yytext[yyleng-1];\r
-\r
- if (appData.debugMode) {\r
- fprintf(debugFP, "Parser Qa1: yyleng=%d, %d(%d,%d)-(%d,%d) = %d (%c)\n",\r
- yyleng,\r
- cl.pieceIn,cl.ffIn,cl.rfIn,cl.ftIn,cl.rtIn,cl.promoCharIn,cl.promoCharIn?cl.promoCharIn:' ');\r
- }\r
-\r
- /* [HGM] but do not allow values beyond board size */\r
- if(cl.rtIn >= BOARD_HEIGHT ||\r
- cl.rtIn < 0 ||\r
- cl.ftIn >= BOARD_RGHT ||\r
- cl.ftIn < BOARD_LEFT )\r
- return ImpossibleMove;\r
-\r
- Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &cl);\r
-\r
- currentMoveString[0] = cl.ff + AAA;\r
- currentMoveString[1] = cl.rf + ONE;\r
- currentMoveString[2] = cl.ft + AAA;\r
- currentMoveString[3] = cl.rt + ONE;\r
- currentMoveString[4] = cl.promoChar;\r
- currentMoveString[5] = NULLCHAR;\r
-\r
- return (int) cl.kind;\r
-}\r
-\r
-"+"?[A-Z][a-l0-9][xX:-]?[a-l][0-9]=? {\r
- /*\r
- * piece move with rank or file disambiguator\r
- */\r
- DisambiguateClosure cl;\r
- int skip = 0, skip2 = 0; int promoted=0;\r
-\r
- if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */\r
-\r
- if(yytext[0]=='+') promoted = skip = skip2 = 1;\r
-\r
- /* remove the [xX:-] */\r
- if ((yytext[2+skip] == 'x') || (yytext[2+skip] == 'X')\r
- || (yytext[2+skip] == ':') || (yytext[2+skip] == '-')) skip++;\r
-\r
- if (WhiteOnMove(yyboardindex)) {\r
- cl.pieceIn = CharToPiece(ToUpper(yytext[skip2]));\r
- } else {\r
- cl.pieceIn = CharToPiece(ToLower(yytext[skip2]));\r
- }\r
- if(promoted) cl.pieceIn = (ChessSquare) (PROMOTED cl.pieceIn);\r
-\r
- if (isalpha(yytext[1+skip2])) {\r
- cl.rfIn = -1;\r
- cl.ffIn = yytext[1+skip2] - AAA;\r
- \r
- if(cl.ffIn >= BOARD_RGHT ||\r
- cl.ffIn < BOARD_LEFT ) return 0;\r
- } else {\r
- cl.rfIn = yytext[1+skip2] - ONE;\r
- cl.ffIn = -1;\r
- if(cl.rfIn >= BOARD_HEIGHT ||\r
- cl.rfIn < 0) return 0;\r
- }\r
- cl.rtIn = yytext[3+skip] - ONE;\r
- cl.ftIn = yytext[2+skip] - AAA;\r
- cl.promoCharIn = NULLCHAR;\r
-\r
- if(yyleng-skip > 4) /* [HGM] can have Shogi-style promotion */\r
- cl.promoCharIn = yytext[yyleng-1];\r
-\r
- /* [HGM] do not allow values beyond board size */\r
- if(cl.rtIn >= BOARD_HEIGHT ||\r
- cl.rtIn < 0 ||\r
- cl.ftIn >= BOARD_RGHT ||\r
- cl.ftIn < BOARD_LEFT )\r
- return ImpossibleMove;\r
-\r
- Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &cl);\r
-\r
- currentMoveString[0] = cl.ff + AAA;\r
- currentMoveString[1] = cl.rf + ONE;\r
- currentMoveString[2] = cl.ft + AAA;\r
- currentMoveString[3] = cl.rt + ONE;\r
- currentMoveString[4] = cl.promoChar;\r
- currentMoveString[5] = NULLCHAR;\r
-\r
- return (int) cl.kind;\r
-}\r
-\r
-000|0-0-0|ooo|OOO|o-o-o|O-O-O {\r
- int rf, ff, rt, ft;\r
-\r
- if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */\r
-\r
- /* [HGM] all squares referenced to board edges in stead of absolute */\r
- if (WhiteOnMove(yyboardindex)) {\r
- if (boards[yyboardindex][0][(BOARD_WIDTH-1)>>1] == WhiteKing) {\r
- /* ICS wild castling */\r
- rf = 0;\r
- ff = (BOARD_WIDTH-1)>>1;\r
- rt = 0;\r
- ft = BOARD_RGHT-3;\r
- } else {\r
- rf = 0;\r
- ff = BOARD_WIDTH>>1;\r
- rt = 0;\r
- ft = BOARD_LEFT+2;\r
- }\r
- } else{ \r
- if (boards[yyboardindex][BOARD_HEIGHT-1][(BOARD_WIDTH-1)>>1] == BlackKing) {\r
- /* ICS wild castling */\r
- rf = BOARD_HEIGHT-1;\r
- ff = (BOARD_WIDTH-1)>>1;\r
- rt = BOARD_HEIGHT-1;\r
- ft = BOARD_RGHT-3;\r
- } else {\r
- rf = BOARD_HEIGHT-1;\r
- ff = BOARD_WIDTH>>1;\r
- rt = BOARD_HEIGHT-1;\r
- ft = BOARD_LEFT+2;\r
- }\r
- }\r
+
+ return (int) result;
+}
+
+[a-l][0-9]((=?\(?[A-Za-z]\)?)|=)? {
+ /*
+ * Pawn move, possibly with promotion
+ */
+ DisambiguateClosure cl;
+ int skip = 0; char c;
+
+ if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */
+
+ /* remove the =() */
+ if (yytext[2] == '=' && yytext[3] != NULLCHAR) 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;
+ c = cl.promoCharIn = ToLower(yytext[2+skip]);
+
+ /* [HGM] do not allow values beyond board size */
+ if(cl.rtIn >= BOARD_HEIGHT ||
+ cl.rtIn < 0 ||
+ cl.ffIn >= BOARD_RGHT ||
+ cl.ftIn < BOARD_LEFT )
+ return ImpossibleMove;
+
+ if(c != '=' && c != '+' && c != NULLCHAR && CharToPiece(c) == EmptySquare)
+ return IllegalMove;
+
+
+ Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &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;
+}
+
+
+(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]))((=?\(?[A-Z]\)?)|ep|"e.p."|=)? {
+ /*
+ * Pawn capture, possibly with promotion, possibly ambiguous
+ */
+ DisambiguateClosure cl;
+ int skip1 = 0, skip2 = 0; char c;
+
+ 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] == '=' && yytext[3+skip1] != NULLCHAR) 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;
+ c = cl.promoCharIn = yytext[2+skip1+skip2];
+
+ /* [HGM] do not allow values beyond board size */
+ if(cl.ffIn >= BOARD_RGHT ||
+ cl.ffIn < BOARD_LEFT ||
+ cl.ftIn >= BOARD_RGHT ||
+ cl.ftIn < BOARD_LEFT )
+ return ImpossibleMove;
+
+ if(c != '=' && c != '+' && c != NULLCHAR && CharToPiece(c) == EmptySquare)
+ return IllegalMove;
+
+ Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &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;
+}
+
+[a-l][xX:]?[a-l][0-9]((=?\(?[A-Z]\)?)|ep|"e.p."|=)? {
+ /*
+ * unambiguously abbreviated Pawn capture, possibly with promotion
+ */
+ int skip = 0;
+ ChessMove result; char c;
+
+ 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_RGHT ||
+ currentMoveString[3] - ONE >= BOARD_HEIGHT ||
+ currentMoveString[3] - ONE < 0 ||
+ currentMoveString[2] - AAA >= BOARD_RGHT ||
+ currentMoveString[0] - AAA < BOARD_LEFT ||
+ currentMoveString[2] - AAA < BOARD_LEFT )
+ return ImpossibleMove;
+
+ if (gameInfo.variant == VariantXiangqi && /* [HGM] In Xiangqi rank stays same */
+ currentMoveString[0] != currentMoveString[2] ) {
+ currentMoveString[1] = yytext[2+skip];
+ } else
+ if (WhiteOnMove(yyboardindex)) {
+ if (yytext[2+skip] == ONE) return (int) ImpossibleMove;
+ currentMoveString[1] = yytext[2+skip] - 1;
+ if(boards[yyboardindex][currentMoveString[1]-ONE][currentMoveString[0]-AAA] != WhitePawn)
+ return ImpossibleMove;
+ } else {
+ currentMoveString[1] = currentMoveString[3] + 1;
+ if (currentMoveString[3] == ONE+BOARD_HEIGHT-1) return (int) ImpossibleMove;
+ if(boards[yyboardindex][currentMoveString[1]-ONE][currentMoveString[0]-AAA] != BlackPawn)
+ return ImpossibleMove;
+ }
+ if (yyleng-skip > 3) {
+ if (yytext[yyleng-1] == ')')
+ c = currentMoveString[4] = ToLower(yytext[yyleng-2]);
+ else
+ c = currentMoveString[4] = ToLower(yytext[yyleng-1]);
+ currentMoveString[5] = NULLCHAR;
+ if(c != '=' && c != '+' && CharToPiece(c) == EmptySquare)
+ return IllegalMove;
+ } else {
+ currentMoveString[4] = NULLCHAR;
+ }
+
+ result = LegalityTest(boards[yyboardindex],
+ PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!
+ currentMoveString[1] - ONE,
+ currentMoveString[0] - AAA,
+ currentMoveString[3] - ONE,
+ currentMoveString[2] - AAA,
+ currentMoveString[4]);
+
+ if (currentMoveString[4] == NULLCHAR &&
+ (result == WhitePromotionQueen || result == BlackPromotionQueen ||
+ result == WhitePromotionKnight || result == BlackPromotionKnight)) {
+ currentMoveString[4] = PieceToChar(BlackQueen);
+ // [HGM] shatranj: take care of variants without Queen
+ if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
+ currentMoveString[4] = PieceToChar(BlackFerz);
+ if(gameInfo.variant == VariantGreat)
+ currentMoveString[4] = PieceToChar(BlackMan);
+ 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)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!
+ 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;
+}
+
+"+"?[A-Z][xX:-]?[a-l][0-9]=? {
+ /*
+ * piece move, possibly ambiguous
+ */
+ DisambiguateClosure cl;
+ int skip = 0, skip2 = 0, promoted = 0;
+
+ if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */
+
+ if(yytext[0] == '+') promoted = skip = skip2 = 1;
+
+ /* remove the [xX:-] */
+ if ((yytext[1+skip] == 'x') || (yytext[1+skip] == 'X')
+ || (yytext[1+skip] == ':') || (yytext[1+skip] == '-')) skip++;
+
+ if (WhiteOnMove(yyboardindex)) {
+ cl.pieceIn = CharToPiece(ToUpper(yytext[skip2]));
+ } else {
+ cl.pieceIn = CharToPiece(ToLower(yytext[skip2]));
+ }
+ if(promoted) cl.pieceIn = (ChessSquare) (PROMOTED cl.pieceIn);
+
+ cl.rfIn = -1;
+ cl.ffIn = -1;
+ cl.rtIn = yytext[2+skip] - ONE;
+ cl.ftIn = yytext[1+skip] - AAA;
+ cl.promoCharIn = NULLCHAR;
+
+ if(yyleng-skip > 3) /* [HGM] can have Shogi-style promotion */
+ cl.promoCharIn = yytext[yyleng-1];
+
+ if (appData.debugMode) {
+ fprintf(debugFP, "Parser Qa1: yyleng=%d, %d(%d,%d)-(%d,%d) = %d (%c)\n",
+ yyleng,
+ cl.pieceIn,cl.ffIn,cl.rfIn,cl.ftIn,cl.rtIn,cl.promoCharIn,cl.promoCharIn?cl.promoCharIn:' ');
+ }
+
+ /* [HGM] but do not allow values beyond board size */
+ if(cl.rtIn >= BOARD_HEIGHT ||
+ cl.rtIn < 0 ||
+ cl.ftIn >= BOARD_RGHT ||
+ cl.ftIn < BOARD_LEFT )
+ return ImpossibleMove;
+
+ Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &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;
+}
+
+"+"?[A-Z][a-l0-9][xX:-]?[a-l][0-9]=? {
+ /*
+ * piece move with rank or file disambiguator
+ */
+ DisambiguateClosure cl;
+ int skip = 0, skip2 = 0; int promoted=0;
+
+ if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */
+
+ if(yytext[0]=='+') promoted = skip = skip2 = 1;
+
+ /* remove the [xX:-] */
+ if ((yytext[2+skip] == 'x') || (yytext[2+skip] == 'X')
+ || (yytext[2+skip] == ':') || (yytext[2+skip] == '-')) skip++;
+
+ if (WhiteOnMove(yyboardindex)) {
+ cl.pieceIn = CharToPiece(ToUpper(yytext[skip2]));
+ } else {
+ cl.pieceIn = CharToPiece(ToLower(yytext[skip2]));
+ }
+ if(promoted) cl.pieceIn = (ChessSquare) (PROMOTED cl.pieceIn);
+
+ if (isalpha(yytext[1+skip2])) {
+ cl.rfIn = -1;
+ cl.ffIn = yytext[1+skip2] - AAA;
+
+ if(cl.ffIn >= BOARD_RGHT ||
+ cl.ffIn < BOARD_LEFT ) return 0;
+ } else {
+ cl.rfIn = yytext[1+skip2] - ONE;
+ cl.ffIn = -1;
+ if(cl.rfIn >= BOARD_HEIGHT ||
+ cl.rfIn < 0) return 0;
+ }
+ cl.rtIn = yytext[3+skip] - ONE;
+ cl.ftIn = yytext[2+skip] - AAA;
+ cl.promoCharIn = NULLCHAR;
+
+ if(yyleng-skip > 4) /* [HGM] can have Shogi-style promotion */
+ cl.promoCharIn = yytext[yyleng-1];
+
+ /* [HGM] do not allow values beyond board size */
+ if(cl.rtIn >= BOARD_HEIGHT ||
+ cl.rtIn < 0 ||
+ cl.ftIn >= BOARD_RGHT ||
+ cl.ftIn < BOARD_LEFT )
+ return ImpossibleMove;
+
+ Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &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;
+}
+
+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_RGHT-3;
+ } else {
+ rf = 0;
+ ff = BOARD_WIDTH>>1;
+ rt = 0;
+ ft = BOARD_LEFT+2;
+ }
+ } 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_RGHT-3;
+ } else {
+ rf = BOARD_HEIGHT-1;
+ ff = BOARD_WIDTH>>1;
+ rt = BOARD_HEIGHT-1;
+ ft = BOARD_LEFT+2;
+ }
+ }
if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
- if (WhiteOnMove(yyboardindex)) {\r
- ff = initialRights[2];\r
- ft = initialRights[1];\r
- } else {\r
- ff = initialRights[5];\r
- ft = initialRights[4];\r
- }\r
- if (appData.debugMode) \r
- {\r
- fprintf(debugFP, "Parser FRC long %d %d\n", ff, ft);\r
- };\r
- if(ff < 0 || ft < 0) return 0;\r
- }\r
- sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE);\r
- if (appData.debugMode) {\r
- fprintf(debugFP, "long castling %d %d\n", ff, ft);\r
- }\r
- return (int) LegalityTest(boards[yyboardindex],\r
- PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: e.p.!\r
- rf, ff, rt, ft, NULLCHAR);\r
-}\r
-\r
-00|0-0|oo|OO|o-o|O-O {\r
- int rf, ff, rt, ft;\r
-\r
- if (yyskipmoves) return (int) AmbiguousMove; /* not disambiguated */\r
-\r
- if (WhiteOnMove(yyboardindex)) {\r
- if (boards[yyboardindex][0][(BOARD_WIDTH-1)>>1] == WhiteKing) {\r
- /* ICS wild castling */\r
- rf = 0;\r
- ff = (BOARD_WIDTH-1)>>1;\r
- rt = 0;\r
- ft = BOARD_LEFT+1;\r
- } else {\r
- rf = 0;\r
- ff = BOARD_WIDTH>>1;\r
- rt = 0;\r
- ft = BOARD_RGHT-2;\r
- }\r
- } else {\r
- if (boards[yyboardindex][BOARD_HEIGHT-1][(BOARD_WIDTH-1)>>1] == BlackKing) {\r
- /* ICS wild castling */\r
- rf = BOARD_HEIGHT-1;\r
- ff = (BOARD_WIDTH-1)>>1;\r
- rt = BOARD_HEIGHT-1;\r
- ft = BOARD_LEFT+1;\r
- } else {\r
- rf = BOARD_HEIGHT-1;\r
- ff = BOARD_WIDTH>>1;\r
- rt = BOARD_HEIGHT-1;\r
- ft = BOARD_RGHT-2;\r
- }\r
- }\r
+ if (WhiteOnMove(yyboardindex)) {
+ ff = initialRights[2];
+ ft = initialRights[1];
+ } else {
+ ff = initialRights[5];
+ ft = initialRights[4];
+ }
+ if (appData.debugMode)
+ {
+ fprintf(debugFP, "Parser FRC long %d %d\n", ff, ft);
+ };
+ if(ff < 0 || ft < 0) return 0;
+ }
+ sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE);
+ if (appData.debugMode) {
+ fprintf(debugFP, "long castling %d %d\n", ff, ft);
+ }
+ return (int) LegalityTest(boards[yyboardindex],
+ PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: e.p.!
+ 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 = BOARD_LEFT+1;
+ } else {
+ rf = 0;
+ ff = BOARD_WIDTH>>1;
+ rt = 0;
+ ft = BOARD_RGHT-2;
+ }
+ } 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;
+ } else {
+ rf = BOARD_HEIGHT-1;
+ ff = BOARD_WIDTH>>1;
+ rt = BOARD_HEIGHT-1;
+ ft = BOARD_RGHT-2;
+ }
+ }
if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
- if (WhiteOnMove(yyboardindex)) {\r
- ff = initialRights[2];\r
- ft = initialRights[0];\r
- } else {\r
- ff = initialRights[5];\r
- ft = initialRights[3];\r
- }\r
- if (appData.debugMode) {\r
- fprintf(debugFP, "Parser FRC short %d %d\n", ff, ft);\r
- }\r
- if(ff < 0 || ft < 0) return 0;\r
- }\r
- sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE);\r
- if (appData.debugMode) {\r
- fprintf(debugFP, "short castling %d %d\n", ff, ft);\r
- }\r
-\r
- return (int) LegalityTest(boards[yyboardindex],\r
- PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: e.p.!\r
- rf, ff, rt, ft, NULLCHAR);\r
-}\r
-\r
-[A-Z][@*][a-l][0-9] {\r
- /* Bughouse piece drop. */\r
- currentMoveString[1] = '@';\r
- currentMoveString[2] = yytext[2];\r
- currentMoveString[3] = yytext[3];\r
- currentMoveString[4] = NULLCHAR;\r
-\r
- if (appData.debugMode) {\r
- fprintf(debugFP, "Drop: %s\n", currentMoveString);\r
- }\r
- /* [HGM] do not allow values beyond board size */\r
- if(currentMoveString[3] - ONE >= BOARD_HEIGHT ||\r
- currentMoveString[2] - AAA >= BOARD_WIDTH )\r
- return ImpossibleMove;\r
-\r
- if (WhiteOnMove(yyboardindex)) {\r
- currentMoveString[0] = ToUpper(yytext[0]);\r
- } else {\r
- currentMoveString[0] = ToLower(yytext[0]);\r
- }\r
+ if (WhiteOnMove(yyboardindex)) {
+ ff = initialRights[2];
+ ft = initialRights[0];
+ } else {
+ ff = initialRights[5];
+ ft = initialRights[3];
+ }
+ if (appData.debugMode) {
+ fprintf(debugFP, "Parser FRC short %d %d\n", ff, ft);
+ }
+ if(ff < 0 || ft < 0) return 0;
+ }
+ sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE);
+ if (appData.debugMode) {
+ fprintf(debugFP, "short castling %d %d\n", ff, ft);
+ }
+
+ return (int) LegalityTest(boards[yyboardindex],
+ PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: e.p.!
+ rf, ff, rt, ft, NULLCHAR);
+}
+
+[A-Z][@*][a-l][0-9] {
+ /* Bughouse piece drop. */
+ 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 ImpossibleMove;
+
+ if (WhiteOnMove(yyboardindex)) {
+ currentMoveString[0] = ToUpper(yytext[0]);
+ } else {
+ currentMoveString[0] = ToLower(yytext[0]);
+ }
return LegalityTest(boards[yyboardindex], PosFlags(yyboardindex), DROP_RANK, // [HGM] does drops now too
CharToPiece(currentMoveString[0]), currentMoveString[3] - ONE, currentMoveString[2] - AAA, NULLCHAR);
-}\r
-\r
-[Rr]esign(s|ed)? {\r
- if (WhiteOnMove(yyboardindex))\r
- return (int) BlackWins;\r
- else\r
- return (int) WhiteWins;\r
-}\r
-\r
-(([Ww](hite)?)|([Bb](lack)?))" "(([Rr]esign)|([Ff]orfeit))(s|ed)? {\r
- return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins);\r
-}\r
-\r
-(([Ww](hite)?)|([Bb](lack)?))" "[Dd]isconnect(s|ed) {\r
- return (int) GameUnfinished;\r
-}\r
-\r
-[Ss]talemate {\r
- return (int) GameIsDrawn;\r
-}\r
-\r
-"+-+" {\r
- return (int) GameIsDrawn;\r
-}\r
-\r
-([Cc]heck)?[Mm]ate {\r
- if (WhiteOnMove(yyboardindex))\r
- return (int) BlackWins;\r
- else\r
- return (int) WhiteWins;\r
-}\r
-\r
-"++" {\r
- if (WhiteOnMove(yyboardindex))\r
- return (int) BlackWins;\r
- else\r
- return (int) WhiteWins;\r
-}\r
-\r
-[Dd]raw(n)?(" "by)?(" "[Rr]epetition)|(" "[Aa]gree(d|ment)) {\r
- return (int) GameIsDrawn;\r
-}\r
-\r
-[Dd]raw(n)?(" (".*")")? {\r
- return (int) GameIsDrawn;\r
-}\r
-\r
-(([Ww](hite)?)|([Bb](lack)?))" "(([Mm]ates)|([Ww][io]n(s)?)) { \r
- return (int) (ToUpper(yytext[0]) == 'W' ? WhiteWins : BlackWins);\r
-}\r
-\r
-(([Ww](hite)?)|([Bb](lack)?))" "(([Mm]ated)|([Ll]os[tes]+)) { \r
- return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins);\r
-}\r
-\r
-("{"[^\}\n]*"} ")?(1-0|"1 - 0"|"1/0"|"1 / 0"|"1:0"|"1 : 0")(" (".*")"|" {".*"}")? { \r
- return (int) WhiteWins;\r
-}\r
-\r
-("{"[^\}\n]*"} ")?(0-1|"0 - 1"|"0/1"|"0 / 1"|"0:1"|"0 : 1")(" (".*")"|" {".*"}")? { \r
- return (int) BlackWins;\r
-}\r
-\r
-("{"[^\}\n]*"} ")?("1/2"|"1 / 2")(" "?[-:]" "?("1/2"|"1 / 2"))?(" (".*")"|" {".*"}")? {\r
- return (int) GameIsDrawn;\r
-}\r
-\r
-("{"[^\}\n]*"} ")?"*"(" (".*")"|" {".*"}")? {\r
- return (int) GameUnfinished;\r
-}\r
-\r
-[1-9][0-9]*/"."?[ \t\n]*[a-lNnPpRrBQqKACFEWDGHOo] {\r
- /* move numbers */\r
- if ((yyleng == 1) && (yytext[0] == '1'))\r
- return (int) MoveNumberOne;\r
-}\r
-\r
-\([0-9]+:[0-9][0-9](\.[0-9]+)?\)|\{[0-9]+:[0-9][0-9](\.[0-9]+)?\} {\r
- /* elapsed time indication, e.g. (0:12) or {10:21.071} */ \r
- return (int) ElapsedTime;\r
-}\r
-\r
-"[--"[^\]]*"--]" {\r
- /* position diagram enclosed in [-- --] */\r
- return (int) PositionDiagram;\r
-}\r
-\r
-^"{--------------"\n[^\}]*\n"--------------}"$ {\r
- /* position diagram enclosed in {-- --} */\r
- return (int) PositionDiagram;\r
-}\r
-\r
-\[[ \t\n]*[A-Za-z0-9][A-Za-z0-9_+#=-]*[ \t\n]*\"[^"]*\"[ \t\n]*\] {\r
- return (int) PGNTag;\r
-} \r
-\r
-[Gg](nu|NU)" "?[Cc](hess|HESS).*[Gg](ame|AME) {\r
- return (int) GNUChessGame;\r
-}\r
-\r
-^[#;%]" "[^ ]*(" game file"|" position file").*$ {\r
- return (int) XBoardGame;\r
-}\r
-\r
-\$[0-9]+ { /* numeric annotation glyph */\r
- return (int) NAG;\r
-}\r
-\r
-\{[^\}]*\} { /* anything in {} */\r
- return (int) Comment; \r
-}\r
-\r
-;.*$ { /* ; to end of line */\r
- return (int) Comment;\r
-}\r
-\r
-\[[^\]]*\] { /* anything in [] */\r
- return (int) Comment; \r
-}\r
-\r
-\([^()]*(\([^()]*(\([^()]*(\([^()]*\)[^()]*)*\)[^()]*)*\)[^()]*)+[^()]*\) { /* very nested () */\r
- return (int) Comment; \r
-}\r
-\r
-\([^)][^)]+\) { /* >=2 chars in () */\r
- return (int) Comment; \r
-} \r
-\r
-^[-a-zA-Z0-9]+:" ".*(\n[ \t]+.*)* {\r
- /* Skip mail headers */\r
-}\r
-\r
-[a-zA-Z0-9'-]+ {\r
- /* Skip random words */\r
-}\r
-\r
-.|\n {\r
- /* Skip everything else */\r
-}\r
-\r
-%%\r
-\r
-\r
-static char *StringToLex;\r
-\r
-#ifndef FLEX_SCANNER\r
-static FILE *lexFP;\r
-\r
-static int input()\r
-{\r
- int ret;\r
- \r
- if (StringToLex != NULL) {\r
- ret = *StringToLex;\r
- if (ret == NULLCHAR)\r
- ret = EOF;\r
- else\r
- StringToLex++;\r
- } else if (unputCount > 0) {\r
- ret = unputBuffer[--unputCount];\r
- } else {\r
- ret = fgetc(lexFP);\r
- } \r
-\r
- if (ret == EOF) \r
- return 0;\r
- else\r
- return ret;\r
-}\r
-\r
-/*\r
- * Return offset of next pattern within current file\r
- */\r
-int yyoffset()\r
-{\r
- int offset = ftell(lexFP) - unputCount;\r
-\r
- if (offset < 0) {\r
- offset = 0;\r
- }\r
- return(offset);\r
-}\r
- \r
-static void output(ch)\r
- int ch;\r
-{\r
- if(appData.debugMode) fprintf(debugFP, "PARSER BUG: unmatched character '%c' (0%o)\n",\r
- ch, ch);\r
-}\r
-\r
-static void unput(ch)\r
- int ch;\r
-{\r
- if (ch == 0) return;\r
- if (StringToLex != NULL) {\r
- StringToLex--;\r
- } else {\r
- if (unputCount >= UNPUT_BUF_SIZE)\r
- if(appData.debugMode) fprintf(debugFP, "PARSER BUG: unput buffer overflow '%c' (0%o)\n",\r
- ch, ch);\r
- unputBuffer[unputCount++] = ch;\r
- }\r
-}\r
-\r
-/* Get ready to lex from a new file. Kludge below sticks\r
- an artificial newline at the front of the file, which the\r
- above grammar ignores, but which makes ^ at start of pattern\r
- match at the real start of the file.\r
-*/\r
-void yynewfile(f)\r
- FILE *f;\r
-{\r
- lexFP = f;\r
- StringToLex = NULL;\r
- unputCount = 0;\r
- unput('\n'); /* kludge */\r
-}\r
-\r
-/* Get ready to lex from a string. ^ at start of pattern WON'T\r
- match at the start of the string!\r
-*/\r
-void yynewstr(s)\r
- char *s;\r
-{\r
- lexFP = NULL;\r
- StringToLex = s;\r
- unputCount = 0;\r
-}\r
-#endif /*!FLEX_SCANNER*/\r
-\r
-#ifdef FLEX_SCANNER\r
-void my_yy_input(buf, result, max_size)\r
- char *buf;\r
- int *result;\r
- int max_size;\r
-{\r
- int count;\r
-\r
- if (StringToLex != NULL) {\r
- count = 0;\r
- while (*StringToLex != NULLCHAR) {\r
- *buf++ = *StringToLex++;\r
- count++;\r
- }\r
- *result = count;\r
- return;\r
- } else {\r
- count = fread(buf, 1, max_size, yyin);\r
- if (count == 0) {\r
- *result = YY_NULL;\r
- } else {\r
- *result = count;\r
- }\r
- return;\r
- } \r
-}\r
-\r
-static YY_BUFFER_STATE my_file_buffer = NULL;\r
-\r
-/*\r
- Return offset of next pattern in the current file.\r
-*/\r
-int yyoffset()\r
-{\r
- int pos = yy_c_buf_p - YY_CURRENT_BUFFER->yy_ch_buf;\r
-\r
- return(ftell(YY_CURRENT_BUFFER->yy_input_file) -\r
- yy_n_chars + pos);\r
-}\r
-\r
-\r
-void yynewstr(s)\r
- char *s;\r
-{\r
- if (my_file_buffer != NULL)\r
- yy_delete_buffer(my_file_buffer);\r
- StringToLex = s;\r
- my_file_buffer = yy_create_buffer(stdin, YY_BUF_SIZE);\r
- yy_switch_to_buffer(my_file_buffer);\r
-}\r
-\r
-void yynewfile(f)\r
- FILE *f;\r
-{\r
- if (my_file_buffer != NULL)\r
- yy_delete_buffer(my_file_buffer);\r
- StringToLex = NULL;\r
- my_file_buffer = yy_create_buffer(f, YY_BUF_SIZE);\r
- yy_switch_to_buffer(my_file_buffer);\r
-}\r
-#endif /*FLEX_SCANNER*/\r
-\r
-int yywrap()\r
-{\r
- return TRUE;\r
-}\r
-\r
-/* Parse a move from the given string s */\r
-/* ^ at start of pattern WON'T work here unless using flex */\r
-ChessMove yylexstr(boardIndex, s, text, len)\r
- int boardIndex, len;\r
- char *s, *text;\r
+}
+
+[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]ates)|([Ww][io]n(s)?)) {
+ return (int) (ToUpper(yytext[0]) == 'W' ? WhiteWins : BlackWins);
+}
+
+(([Ww](hite)?)|([Bb](lack)?))" "(([Mm]ated)|([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;
+}
+
+\([^()]*(\([^()]*(\([^()]*(\([^()]*\)[^()]*)*\)[^()]*)*\)[^()]*)+[^()]*\) { /* very 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()
{
- ChessMove ret;\r
- char *oldStringToLex;\r
-#ifdef FLEX_SCANNER\r
- YY_BUFFER_STATE buffer, oldBuffer;\r
-#endif\r
- \r
- yyboardindex = boardIndex;\r
- oldStringToLex = StringToLex;\r
- StringToLex = s;\r
-#ifdef FLEX_SCANNER\r
- buffer = yy_create_buffer(stdin, YY_BUF_SIZE);\r
- oldBuffer = YY_CURRENT_BUFFER;\r
- yy_switch_to_buffer(buffer);\r
-#endif /*FLEX_SCANNER*/\r
-\r
+ 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;
+{
+ if(appData.debugMode) fprintf(debugFP, "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)
+ if(appData.debugMode) fprintf(debugFP, "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, text, len)
+ int boardIndex, len;
+ char *s, *text;
+{
+ 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();
strncpy(text, yy_text, len-1); // [HGM] vari: yy_text is not available to caller after buffer switch ?!?
- text[len-1] = NULLCHAR;\r
-\r
-#ifdef FLEX_SCANNER\r
- if (oldBuffer != NULL) \r
- yy_switch_to_buffer(oldBuffer);\r
- yy_delete_buffer(buffer);\r
-#endif /*FLEX_SCANNER*/\r
- StringToLex = oldStringToLex;\r
-\r
- return ret;\r
-}\r
+ text[len-1] = NULLCHAR;
+
+#ifdef FLEX_SCANNER
+ if (oldBuffer != NULL)
+ yy_switch_to_buffer(oldBuffer);
+ yy_delete_buffer(buffer);
+#endif /*FLEX_SCANNER*/
+ StringToLex = oldStringToLex;
+
+ return ret;
+}
projects / xboard.git / commitdiff