From: H.G. Muller Date: Fri, 19 Feb 2010 20:52:06 +0000 (+0100) Subject: Newly lexed parser in XBoard directory X-Git-Tag: master-20100221~7 X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=dfe5928a3db9c9fe2056c79592301203ed135557;p=xboard.git Newly lexed parser in XBoard directory --- diff --git a/winboard/parser.c b/parser.c similarity index 81% rename from winboard/parser.c rename to parser.c index b75d113..70111a4 100644 --- a/winboard/parser.c +++ b/parser.c @@ -1,67 +1,112 @@ -/* 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 $ - */ +#line 3 "parser.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ #define FLEX_SCANNER #define YY_FLEX_MAJOR_VERSION 2 #define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 34 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ +/* begin standard C headers. */ #include +#include +#include +#include +/* end standard C headers. */ -/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ -#ifdef c_plusplus -#ifndef __cplusplus -#define __cplusplus +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have . Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) #endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) #endif +#endif /* ! FLEXINT_H */ #ifdef __cplusplus -#include -#include - -/* Use prototypes in function declarations. */ -#define YY_USE_PROTOS - /* The "const" storage-class-modifier is valid. */ #define YY_USE_CONST #else /* ! __cplusplus */ -#if __STDC__ +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) -#define YY_USE_PROTOS #define YY_USE_CONST -#endif /* __STDC__ */ +#endif /* defined (__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 @@ -76,71 +121,77 @@ * but we do it the disgusting crufty way forced on us by the ()-less * definition of BEGIN. */ -#define BEGIN yy_start = 1 + 2 * +#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 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_NEW_FILE yyrestart(yyin ) #define YY_END_OF_BUFFER_CHAR 0 /* Size of default input buffer. */ +#ifndef YY_BUF_SIZE #define YY_BUF_SIZE 16384 +#endif +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif 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 YY_LESS_LINENO(n) + +/* 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; \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ YY_RESTORE_YY_MORE_OFFSET \ - yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ YY_DO_BEFORE_ACTION; /* set up yytext again */ \ } \ while ( 0 ) -#define unput(c) yyunput( c, yytext_ptr ) +#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). + * Given that the standard has decreed that size_t exists since 1989, + * I guess we can afford to depend on it. Manoj. */ -typedef unsigned int yy_size_t; +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE struct yy_buffer_state { FILE *yy_input_file; @@ -177,12 +228,16 @@ struct yy_buffer_state */ int yy_at_bol; + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + /* 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 @@ -196,28 +251,38 @@ struct yy_buffer_state * just pointing yyin at a new input file. */ #define YY_BUFFER_EOF_PENDING 2 + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ -static YY_BUFFER_STATE yy_current_buffer = 0; +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ /* 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". + * + * Returns the top of the stack, or NULL. */ -#define YY_CURRENT_BUFFER yy_current_buffer +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] /* 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_init = 0; /* 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 @@ -225,68 +290,92 @@ static int yy_start = 0; /* start state number */ */ static int yy_did_buffer_switch_on_eof; -void yyrestart YY_PROTO(( FILE *input_file )); +void yyrestart (FILE *input_file ); +void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); +void yy_delete_buffer (YY_BUFFER_STATE b ); +void yy_flush_buffer (YY_BUFFER_STATE b ); +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state (void ); + +static void yyensure_buffer_stack (void ); +static void yy_load_buffer_state (void ); +static void yy_init_buffer (YY_BUFFER_STATE b,FILE *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 ) +#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 )); +YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes (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 * )); +void *yyalloc (yy_size_t ); +void *yyrealloc (void *,yy_size_t ); +void yyfree (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; \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->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; \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ } -#define YY_AT_BOL() (yy_current_buffer->yy_at_bol) +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) +/* Begin user sect3 */ -#define YY_USES_REJECT typedef unsigned char YY_CHAR; + FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + typedef int yy_state_type; + +extern int yylineno; + +int yylineno = 1; + 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[] )); +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (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; \ + (yytext_ptr) = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ *yy_cp = '\0'; \ - yy_c_buf_p = yy_cp; + (yy_c_buf_p) = yy_cp; #define YY_NUM_RULES 42 #define YY_END_OF_BUFFER 43 -static yyconst short int yy_acclist[602] = +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_acclist[602] = { 0, 43, 41, 42, 41, 42, 41, 42, 40, 41, 42, 41, 42, 25, 41, 42, 41, 42, 40, 41, 42, @@ -357,7 +446,7 @@ static yyconst short int yy_acclist[602] = 29 } ; -static yyconst short int yy_accept[689] = +static yyconst flex_int16_t yy_accept[689] = { 0, 1, 1, 1, 2, 4, 6, 8, 11, 13, 16, 18, 21, 25, 29, 31, 34, 37, 40, 43, 46, @@ -436,7 +525,7 @@ static yyconst short int yy_accept[689] = 600, 600, 600, 600, 600, 601, 602, 602 } ; -static yyconst int yy_ec[256] = +static yyconst flex_int32_t yy_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -468,7 +557,7 @@ static yyconst int yy_ec[256] = 1, 1, 1, 1, 1 } ; -static yyconst int yy_meta[74] = +static yyconst flex_int32_t yy_meta[74] = { 0, 1, 2, 3, 2, 1, 1, 1, 1, 4, 5, 6, 1, 7, 8, 1, 1, 9, 9, 9, 9, @@ -480,7 +569,7 @@ static yyconst int yy_meta[74] = 17, 1, 1 } ; -static yyconst short int yy_base[767] = +static yyconst flex_int16_t yy_base[767] = { 0, 0, 73, 3814, 3815, 122, 131, 0, 142, 3809, 140, 151, 171, 162, 3809, 231, 159, 3757, 3746, 119, 3762, @@ -568,7 +657,7 @@ static yyconst short int yy_base[767] = 3674, 3693, 3712, 3731, 3750, 3769 } ; -static yyconst short int yy_def[767] = +static yyconst flex_int16_t yy_def[767] = { 0, 687, 687, 687, 687, 687, 687, 688, 689, 687, 690, 688, 687, 12, 691, 688, 15, 15, 15, 15, 15, @@ -656,7 +745,7 @@ static yyconst short int yy_def[767] = 687, 687, 687, 687, 687, 687 } ; -static yyconst short int yy_nxt[3889] = +static yyconst flex_int16_t yy_nxt[3889] = { 0, 4, 4, 4, 5, 4, 4, 6, 4, 7, 8, 4, 9, 10, 7, 4, 4, 11, 12, 13, 13, @@ -1087,7 +1176,7 @@ static yyconst short int yy_nxt[3889] = 687, 687, 687, 687, 687, 687, 687, 687 } ; -static yyconst short int yy_chk[3889] = +static yyconst flex_int16_t yy_chk[3889] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -1518,7 +1607,10 @@ static yyconst short int yy_chk[3889] = 687, 687, 687, 687, 687, 687, 687, 687 } ; -static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr; +extern int yy_flex_debug; +int yy_flex_debug = 0; + +static yy_state_type *yy_state_buf=0, *yy_state_ptr=0; static char *yy_full_match; static int yy_lp; static int yy_looking_for_trail_begin = 0; @@ -1528,189 +1620,208 @@ static int *yy_full_state; #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; \ +*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; +#line 1 "parser.l" +#line 8 "parser.l" +/* + * 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 + +#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)); + +#line 1809 "parser.c" + #define INITIAL 0 -/* - * 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. +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. */ - -#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 - -#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; +#include #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)); +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * #endif -#undef yywrap -int yywrap P((void)); -extern void CopyBoard P((Board to, Board from)); +static int yy_init_globals (void ); /* Macros after this point can all be overridden by user definitions in * section 1. @@ -1718,65 +1829,30 @@ extern void CopyBoard P((Board to, Board from)); #ifndef YY_SKIP_YYWRAP #ifdef __cplusplus -extern "C" int yywrap YY_PROTO(( void )); +extern "C" int yywrap (void ); #else -extern int yywrap YY_PROTO(( void )); -#endif +extern int yywrap (void ); #endif - -#ifndef YY_NO_UNPUT -static void yyunput YY_PROTO(( int c, char *buf_ptr )); #endif + static void yyunput (int c,char *buf_ptr ); + #ifndef yytext_ptr -static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int )); +static void yy_flex_strncpy (char *,yyconst char *,int ); #endif #ifdef YY_NEED_STRLEN -static int yy_flex_strlen YY_PROTO(( yyconst char * )); +static int yy_flex_strlen (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 +#ifdef __cplusplus +static int yyinput (void ); #else -#define YY_NO_PUSH_STATE 1 -#define YY_NO_POP_STATE 1 -#define YY_NO_TOP_STATE 1 +static int input (void ); #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. */ @@ -1785,12 +1861,11 @@ YY_MALLOC_DECL #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 ) +#define ECHO fwrite( yytext, yyleng, 1, yyout ) #endif /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, @@ -1798,9 +1873,10 @@ YY_MALLOC_DECL */ #ifndef YY_INPUT #define YY_INPUT(buf,result,max_size) \ - if ( yy_current_buffer->yy_is_interactive ) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ { \ - int c = '*', n; \ + int c = '*'; \ + int n; \ for ( n = 0; n < max_size && \ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ buf[n] = (char) c; \ @@ -1810,9 +1886,22 @@ YY_MALLOC_DECL YY_FATAL_ERROR( "input in flex scanner failed" ); \ result = n; \ } \ - else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \ - && ferror( yyin ) ) \ - YY_FATAL_ERROR( "input in flex scanner failed" ); + 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();" - @@ -1833,12 +1922,18 @@ YY_MALLOC_DECL #define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) #endif +/* end tables serialization structures and prototypes */ + /* 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 +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ /* Code executed at the beginning of each rule, after yytext and yyleng * have been set up. @@ -1854,29 +1949,39 @@ YY_MALLOC_DECL #define YY_RULE_SETUP \ if ( yyleng > 0 ) \ - yy_current_buffer->yy_at_bol = \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ (yytext[yyleng - 1] == '\n'); \ YY_USER_ACTION +/** The main scanner function which does all the work. + */ YY_DECL - { +{ register yy_state_type yy_current_state; register char *yy_cp, *yy_bp; register int yy_act; + +#line 179 "parser.l" + +#line 1968 "parser.c" - - - if ( yy_init ) + if ( !(yy_init) ) { - yy_init = 0; + (yy_init) = 1; #ifdef YY_USER_INIT YY_USER_INIT; #endif - if ( ! yy_start ) - yy_start = 1; /* first start state */ + /* Create the reject buffer large enough to save one state per allowed character. */ + if ( ! (yy_state_buf) ) + (yy_state_buf) = (yy_state_type *)yyalloc(YY_STATE_BUF_SIZE ); + if ( ! (yy_state_buf) ) + YY_FATAL_ERROR( "out of dynamic memory in yylex()" ); + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ if ( ! yyin ) yyin = stdin; @@ -1884,29 +1989,33 @@ YY_DECL if ( ! yyout ) yyout = stdout; - if ( ! yy_current_buffer ) - yy_current_buffer = - yy_create_buffer( yyin, YY_BUF_SIZE ); + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } - yy_load_buffer_state(); + yy_load_buffer_state( ); } while ( 1 ) /* loops until end-of-file is reached */ { - yy_cp = yy_c_buf_p; + yy_cp = (yy_c_buf_p); /* Support of yytext. */ - *yy_cp = yy_hold_char; + *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_start); yy_current_state += YY_AT_BOL(); - yy_state_ptr = yy_state_buf; - *yy_state_ptr++ = yy_current_state; + + (yy_state_ptr) = (yy_state_buf); + *(yy_state_ptr)++ = yy_current_state; + yy_match: do { @@ -1918,926 +2027,978 @@ yy_match: 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_state_ptr)++ = yy_current_state; ++yy_cp; } while ( yy_base[yy_current_state] != 3815 ); yy_find_action: - yy_current_state = *--yy_state_ptr; - yy_lp = yy_accept[yy_current_state]; + 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] ) + if ( (yy_lp) && (yy_lp) < yy_accept[yy_current_state + 1] ) { - yy_act = yy_acclist[yy_lp]; + yy_act = yy_acclist[(yy_lp)]; if ( yy_act & YY_TRAILING_HEAD_MASK || - yy_looking_for_trail_begin ) + (yy_looking_for_trail_begin) ) { - if ( yy_act == yy_looking_for_trail_begin ) + if ( yy_act == (yy_looking_for_trail_begin) ) { - yy_looking_for_trail_begin = 0; + (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; + (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; + (yy_full_match) = yy_cp; + (yy_full_state) = (yy_state_ptr); + (yy_full_lp) = (yy_lp); break; } - ++yy_lp; + ++(yy_lp); goto find_rule; } --yy_cp; - yy_current_state = *--yy_state_ptr; - yy_lp = yy_accept[yy_current_state]; + 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 - */ - 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 0; - - 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; -} +#line 181 "parser.l" +{ + /* + * 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 0; + + 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; +} YY_BREAK case 2: YY_RULE_SETUP -{ - /* - * 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 0; - - 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)) { - if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) - currentMoveString[4] = PieceToChar(BlackFerz); - else if(gameInfo.variant == VariantGreat) - currentMoveString[4] = PieceToChar(BlackMan); - else - currentMoveString[4] = PieceToChar(BlackQueen); - currentMoveString[5] = NULLCHAR; - } - - return (int) result; -} +#line 263 "parser.l" +{ + /* + * 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 0; + + 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)) { + 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; + } + + return (int) result; +} YY_BREAK case 3: YY_RULE_SETUP -{ - /* - * 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 = 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 0; - - 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; -} +#line 328 "parser.l" +{ + /* + * 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 = 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 0; + + 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; +} YY_BREAK case 4: YY_RULE_SETUP -{ - /* - * 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 0; - - 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; -} +#line 372 "parser.l" +{ + /* + * 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 0; + + 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; +} YY_BREAK case 5: YY_RULE_SETUP -{ - /* - * 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 0; - - 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) - 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; -} +#line 425 "parser.l" +{ + /* + * 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 0; + + 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; +} YY_BREAK case 6: YY_RULE_SETUP -{ - /* - * 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 0; - - 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; -} +#line 540 "parser.l" +{ + /* + * 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 0; + + 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; +} YY_BREAK case 7: YY_RULE_SETUP -{ - /* - * 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 0; - - 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; -} +#line 596 "parser.l" +{ + /* + * 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 0; + + 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; +} 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; - } 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; - } - } +#line 656 "parser.l" +{ + 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)) { - 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); -} + 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); +} 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; - } 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; - } - } +#line 712 "parser.l" +{ + 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)) { - 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); -} + 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); +} 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; - } -} +#line 767 "parser.l" +{ + /* 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; -} +#line 791 "parser.l" +{ + 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); -} +#line 798 "parser.l" +{ + return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins); +} YY_BREAK case 13: YY_RULE_SETUP -{ - return (int) GameUnfinished; -} +#line 802 "parser.l" +{ + return (int) GameUnfinished; +} YY_BREAK case 14: YY_RULE_SETUP -{ - return (int) GameIsDrawn; -} +#line 806 "parser.l" +{ + return (int) GameIsDrawn; +} YY_BREAK case 15: YY_RULE_SETUP -{ - return (int) GameIsDrawn; -} +#line 810 "parser.l" +{ + return (int) GameIsDrawn; +} YY_BREAK case 16: YY_RULE_SETUP -{ - if (WhiteOnMove(yyboardindex)) - return (int) BlackWins; - else - return (int) WhiteWins; -} +#line 814 "parser.l" +{ + 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; -} +#line 821 "parser.l" +{ + if (WhiteOnMove(yyboardindex)) + return (int) BlackWins; + else + return (int) WhiteWins; +} YY_BREAK case 18: YY_RULE_SETUP -{ - return (int) GameIsDrawn; -} +#line 828 "parser.l" +{ + return (int) GameIsDrawn; +} YY_BREAK case 19: YY_RULE_SETUP -{ - return (int) GameIsDrawn; -} +#line 832 "parser.l" +{ + return (int) GameIsDrawn; +} YY_BREAK case 20: YY_RULE_SETUP -{ - return (int) (ToUpper(yytext[0]) == 'W' ? WhiteWins : BlackWins); -} +#line 836 "parser.l" +{ + return (int) (ToUpper(yytext[0]) == 'W' ? WhiteWins : BlackWins); +} YY_BREAK case 21: YY_RULE_SETUP -{ - return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins); -} +#line 840 "parser.l" +{ + return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins); +} YY_BREAK case 22: YY_RULE_SETUP -{ - return (int) WhiteWins; -} +#line 844 "parser.l" +{ + return (int) WhiteWins; +} YY_BREAK case 23: YY_RULE_SETUP -{ - return (int) BlackWins; -} +#line 848 "parser.l" +{ + return (int) BlackWins; +} YY_BREAK case 24: YY_RULE_SETUP -{ - return (int) GameIsDrawn; -} +#line 852 "parser.l" +{ + return (int) GameIsDrawn; +} YY_BREAK case 25: YY_RULE_SETUP -{ - return (int) GameUnfinished; -} +#line 856 "parser.l" +{ + return (int) GameUnfinished; +} YY_BREAK case 26: +/* rule 26 can match eol */ YY_RULE_SETUP -{ - /* move numbers */ - if ((yyleng == 1) && (yytext[0] == '1')) - return (int) MoveNumberOne; -} +#line 860 "parser.l" +{ + /* 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; -} +#line 866 "parser.l" +{ + /* elapsed time indication, e.g. (0:12) or {10:21.071} */ + return (int) ElapsedTime; +} YY_BREAK case 28: +/* rule 28 can match eol */ YY_RULE_SETUP -{ - /* position diagram enclosed in [-- --] */ - return (int) PositionDiagram; -} +#line 871 "parser.l" +{ + /* 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; +/* rule 29 can match eol */ +*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; -} +#line 876 "parser.l" +{ + /* position diagram enclosed in {-- --} */ + return (int) PositionDiagram; +} YY_BREAK case 30: +/* rule 30 can match eol */ YY_RULE_SETUP -{ - return (int) PGNTag; -} +#line 881 "parser.l" +{ + return (int) PGNTag; +} YY_BREAK case 31: YY_RULE_SETUP -{ - return (int) GNUChessGame; -} +#line 885 "parser.l" +{ + 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; +/* rule 32 can match eol */ +*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; -} +#line 889 "parser.l" +{ + return (int) XBoardGame; +} YY_BREAK case 33: YY_RULE_SETUP -{ /* numeric annotation glyph */ - return (int) NAG; -} +#line 893 "parser.l" +{ /* numeric annotation glyph */ + return (int) NAG; +} YY_BREAK case 34: +/* rule 34 can match eol */ YY_RULE_SETUP -{ /* anything in {} */ - return (int) Comment; -} +#line 897 "parser.l" +{ /* 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_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; -} +#line 901 "parser.l" +{ /* ; to end of line */ + return (int) Comment; +} YY_BREAK case 36: +/* rule 36 can match eol */ YY_RULE_SETUP -{ /* anything in [] */ - return (int) Comment; -} +#line 905 "parser.l" +{ /* anything in [] */ + return (int) Comment; +} YY_BREAK case 37: +/* rule 37 can match eol */ YY_RULE_SETUP -{ /* very nested () */ - return (int) Comment; -} +#line 909 "parser.l" +{ /* very nested () */ + return (int) Comment; +} YY_BREAK case 38: +/* rule 38 can match eol */ YY_RULE_SETUP -{ /* >=2 chars in () */ - return (int) Comment; -} +#line 913 "parser.l" +{ /* >=2 chars in () */ + return (int) Comment; +} YY_BREAK case 39: +/* rule 39 can match eol */ YY_RULE_SETUP -{ - /* Skip mail headers */ -} +#line 917 "parser.l" +{ + /* Skip mail headers */ +} YY_BREAK case 40: YY_RULE_SETUP -{ - /* Skip random words */ -} +#line 921 "parser.l" +{ + /* Skip random words */ +} YY_BREAK case 41: +/* rule 41 can match eol */ YY_RULE_SETUP -{ - /* Skip everything else */ -} +#line 925 "parser.l" +{ + /* Skip everything else */ +} YY_BREAK case 42: YY_RULE_SETUP +#line 929 "parser.l" ECHO; YY_BREAK +#line 2976 "parser.c" 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; + 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_cp = (yy_hold_char); YY_RESTORE_YY_MORE_OFFSET - if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW ) + if ( YY_CURRENT_BUFFER_LVALUE->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 + * 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; + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; } /* Note that here we test for yy_c_buf_p "<=" to the position @@ -2847,13 +3008,13 @@ ECHO; * 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] ) + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->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_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; - yy_current_state = yy_get_previous_state(); + yy_current_state = yy_get_previous_state( ); /* Okay, we're now positioned to make the NUL * transition. We couldn't have @@ -2866,30 +3027,30 @@ ECHO; yy_next_state = yy_try_NUL_trans( yy_current_state ); - yy_bp = yytext_ptr + YY_MORE_ADJ; + yy_bp = (yytext_ptr) + YY_MORE_ADJ; if ( yy_next_state ) { /* Consume the NUL. */ - yy_cp = ++yy_c_buf_p; + yy_cp = ++(yy_c_buf_p); yy_current_state = yy_next_state; goto yy_match; } else { - yy_cp = yy_c_buf_p; + yy_cp = (yy_c_buf_p); goto yy_find_action; } } - else switch ( yy_get_next_buffer() ) + else switch ( yy_get_next_buffer( ) ) { case EOB_ACT_END_OF_FILE: { - yy_did_buffer_switch_on_eof = 0; + (yy_did_buffer_switch_on_eof) = 0; - if ( yywrap() ) + if ( yywrap( ) ) { /* Note: because we've taken care in * yy_get_next_buffer() to have set up @@ -2900,7 +3061,7 @@ ECHO; * YY_NULL, it'll still work - another * YY_NULL will get returned. */ - yy_c_buf_p = yytext_ptr + YY_MORE_ADJ; + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; yy_act = YY_STATE_EOF(YY_START); goto do_action; @@ -2908,30 +3069,30 @@ ECHO; else { - if ( ! yy_did_buffer_switch_on_eof ) + 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_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; - yy_current_state = yy_get_previous_state(); + yy_current_state = yy_get_previous_state( ); - yy_cp = yy_c_buf_p; - yy_bp = yytext_ptr + YY_MORE_ADJ; + 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_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; - yy_current_state = yy_get_previous_state(); + yy_current_state = yy_get_previous_state( ); - yy_cp = yy_c_buf_p; - yy_bp = yytext_ptr + YY_MORE_ADJ; + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; goto yy_find_action; } break; @@ -2942,8 +3103,7 @@ ECHO; "fatal flex scanner internal error--no action found" ); } /* end of action switch */ } /* end of scanning one token */ - } /* end of yylex */ - +} /* end of yylex */ /* yy_get_next_buffer - try to read in a new buffer * @@ -2952,21 +3112,20 @@ ECHO; * 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; +static int yy_get_next_buffer (void) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->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] ) + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->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 ) + if ( YY_CURRENT_BUFFER_LVALUE->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 ) + 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. @@ -2986,86 +3145,52 @@ static int yy_get_next_buffer() /* Try to read more data. */ /* First move last chars to start of buffer. */ - number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1; + 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 ) + if ( YY_CURRENT_BUFFER_LVALUE->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; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; else { - int num_to_read = - yy_current_buffer->yy_buf_size - number_to_move - 1; + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->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_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), (size_t) num_to_read ); - yy_current_buffer->yy_n_chars = yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); } - if ( yy_n_chars == 0 ) + if ( (yy_n_chars) == 0 ) { if ( number_to_move == YY_MORE_ADJ ) { ret_val = EOB_ACT_END_OF_FILE; - yyrestart( yyin ); + yyrestart(yyin ); } else { ret_val = EOB_ACT_LAST_MATCH; - yy_current_buffer->yy_buffer_status = + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_EOF_PENDING; } } @@ -3073,29 +3198,37 @@ static int yy_get_next_buffer() 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; + if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; - yytext_ptr = &yy_current_buffer->yy_ch_buf[0]; + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->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() - { + static yy_state_type yy_get_previous_state (void) +{ register yy_state_type yy_current_state; register char *yy_cp; - - yy_current_state = yy_start; + + 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 ) + (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 ) @@ -3105,28 +3238,21 @@ static yy_state_type yy_get_previous_state() 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_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 - { + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ register int yy_is_jam; - + register YY_CHAR yy_c = 1; while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { @@ -3137,83 +3263,76 @@ yy_state_type yy_current_state; yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; yy_is_jam = (yy_current_state == 687); if ( ! yy_is_jam ) - *yy_state_ptr++ = yy_current_state; + *(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; + static void yyunput (int c, register char * yy_bp ) +{ + register char *yy_cp; + + yy_cp = (yy_c_buf_p); /* undo effects of setting up yytext */ - *yy_cp = yy_hold_char; + *yy_cp = (yy_hold_char); - if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->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 int number_to_move = (yy_n_chars) + 2; + register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; register char *source = - &yy_current_buffer->yy_ch_buf[number_to_move]; + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; - while ( source > yy_current_buffer->yy_ch_buf ) + while ( source > YY_CURRENT_BUFFER_LVALUE->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; + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; - if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->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; +} - yytext_ptr = yy_bp; - yy_hold_char = *yy_cp; - yy_c_buf_p = yy_cp; - } -#endif /* ifndef YY_NO_UNPUT */ - - +#ifndef YY_NO_INPUT #ifdef __cplusplus -static int yyinput() + static int yyinput (void) #else -static int input() + static int input (void) #endif - { - int c; - *yy_c_buf_p = yy_hold_char; +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); - if ( *yy_c_buf_p == YY_END_OF_BUFFER_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] ) + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) /* This was really a NUL. */ - *yy_c_buf_p = '\0'; + *(yy_c_buf_p) = '\0'; else { /* need more input */ - int offset = yy_c_buf_p - yytext_ptr; - ++yy_c_buf_p; + int offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); - switch ( yy_get_next_buffer() ) + switch ( yy_get_next_buffer( ) ) { case EOB_ACT_LAST_MATCH: /* This happens because yy_g_n_b() @@ -3227,16 +3346,16 @@ static int input() */ /* Reset buffer status. */ - yyrestart( yyin ); + yyrestart(yyin ); - /* fall through */ + /*FALLTHROUGH*/ case EOB_ACT_END_OF_FILE: { - if ( yywrap() ) + if ( yywrap( ) ) return EOF; - if ( ! yy_did_buffer_switch_on_eof ) + if ( ! (yy_did_buffer_switch_on_eof) ) YY_NEW_FILE; #ifdef __cplusplus return yyinput(); @@ -3246,91 +3365,94 @@ static int input() } case EOB_ACT_CONTINUE_SCAN: - yy_c_buf_p = yytext_ptr + offset; + (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; + 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'); + YY_CURRENT_BUFFER_LVALUE->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 ); +} +#endif /* ifndef YY_NO_INPUT */ - yy_init_buffer( yy_current_buffer, input_file ); - yy_load_buffer_state(); +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + 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 ) +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) return; - if ( yy_current_buffer ) + 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_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); } - yy_current_buffer = new_buffer; - yy_load_buffer_state(); + YY_CURRENT_BUFFER_LVALUE = 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; - } + (yy_did_buffer_switch_on_eof) = 1; +} +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->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 - { +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ YY_BUFFER_STATE b; - - b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); @@ -3339,80 +3461,75 @@ int 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 ); + b->yy_ch_buf = (char *) yyalloc(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 ); + 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 - { +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) return; - if ( b == yy_current_buffer ) - yy_current_buffer = (YY_BUFFER_STATE) 0; + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; if ( b->yy_is_our_buffer ) - yy_flex_free( (void *) b->yy_ch_buf ); - - yy_flex_free( (void *) b ); - } + yyfree((void *) b->yy_ch_buf ); + yyfree((void *) b ); +} -#ifndef YY_ALWAYS_INTERACTIVE -#ifndef YY_NEVER_INTERACTIVE -extern int isatty YY_PROTO(( int )); -#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 - +#ifndef __cplusplus +extern int isatty (int ); +#endif /* __cplusplus */ + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) - { - yy_flush_buffer( b ); +{ + int oerrno = errno; + + 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 - } - + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } -#ifdef YY_USE_PROTOS -void yy_flush_buffer( YY_BUFFER_STATE b ) -#else -void yy_flush_buffer( b ) -YY_BUFFER_STATE b; -#endif + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} - { - if ( ! b ) +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) return; b->yy_n_chars = 0; @@ -3429,29 +3546,125 @@ YY_BUFFER_STATE b; b->yy_at_bol = 1; b->yy_buffer_status = YY_BUFFER_NEW; - if ( b == yy_current_buffer ) - yy_load_buffer_state(); + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; } +} +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + int num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } -#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 ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + 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 ) ); + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); @@ -3465,56 +3678,51 @@ yy_size_t size; b->yy_fill_buffer = 0; b->yy_buffer_status = YY_BUFFER_NEW; - yy_switch_to_buffer( b ); + 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 +} +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) +{ + + return yy_scan_bytes(yystr,strlen(yystr) ); +} -#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 - { +/** Setup the input buffer state to scan the given bytes. The next call to yylex() will + * scan from a @e copy of @a bytes. + * @param bytes the byte buffer to scan + * @param len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len ) +{ 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 ); + n = _yybytes_len + 2; + buf = (char *) yyalloc(n ); if ( ! buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); - for ( i = 0; i < len; ++i ) - buf[i] = bytes[i]; + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; - buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR; + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; - b = yy_scan_buffer( buf, n ); + b = yy_scan_buffer(buf,n ); if ( ! b ) YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); @@ -3524,78 +3732,17 @@ int len; 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 ); +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); exit( YY_EXIT_FAILURE ); - } - - +} /* Redefine yyless() so it works in section 3 code. */ @@ -3604,281 +3751,393 @@ char msg[]; 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; \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ } \ while ( 0 ) +/* Accessor methods (get/set functions) to struct members. */ -/* 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 ); - } +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} -#if YY_MAIN -int main() - { - yylex(); - return 0; - } -#endif +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} +/** Get the length of the current token. + * + */ +int yyget_leng (void) +{ + return yyleng; +} -static char *StringToLex; +/** Get the current token. + * + */ -#ifndef FLEX_SCANNER -static FILE *lexFP; +char *yyget_text (void) +{ + return yytext; +} -static int input() +/** Set the current line number. + * @param line_number + * + */ +void yyset_lineno (int line_number ) { - 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; + yylineno = line_number; } -/* - * Return offset of next pattern within current file +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see yy_switch_to_buffer */ -int yyoffset() +void yyset_in (FILE * in_str ) { - int offset = ftell(lexFP) - unputCount; - - if (offset < 0) { - offset = 0; - } - return(offset); + yyin = in_str ; } - -static void output(ch) - int ch; + +void yyset_out (FILE * out_str ) { - if(appData.debugMode) fprintf(debugFP, "PARSER BUG: unmatched character '%c' (0%o)\n", - ch, ch); + yyout = out_str ; } -static void unput(ch) - int ch; +int yyget_debug (void) { - 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; - } + return yy_flex_debug; } -/* 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; +void yyset_debug (int bdebug ) { - lexFP = f; - StringToLex = NULL; - unputCount = 0; - unput('\n'); /* kludge */ + yy_flex_debug = bdebug ; } -/* 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; +static int yy_init_globals (void) { - lexFP = NULL; - StringToLex = s; - unputCount = 0; + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from yylex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + + (yy_state_buf) = 0; + (yy_state_ptr) = 0; + (yy_full_match) = 0; + (yy_lp) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * yylex_init() + */ + return 0; } -#endif /*!FLEX_SCANNER*/ -#ifdef FLEX_SCANNER -void my_yy_input(buf, result, max_size) - char *buf; - int *result; - int max_size; +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) { - 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; + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); } - return; - } -} -static YY_BUFFER_STATE my_file_buffer = NULL; + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; -/* - Return offset of next pattern in the current file. -*/ -int yyoffset() -{ - int pos = yy_c_buf_p - YY_CURRENT_BUFFER->yy_ch_buf; + yyfree ( (yy_state_buf) ); + (yy_state_buf) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * yylex() is called, initialization will occur. */ + yy_init_globals( ); - return(ftell(YY_CURRENT_BUFFER->yy_input_file) - - yy_n_chars + pos); + return 0; } +/* + * Internal utility routines. + */ -void yynewstr(s) - char *s; +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) { - 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); + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; } +#endif -void yynewfile(f) - FILE *f; +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) { - 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); + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; } -#endif /*FLEX_SCANNER*/ +#endif -int yywrap() +void *yyalloc (yy_size_t size ) { - return TRUE; + return (void *) malloc( size ); } -/* 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; +void *yyrealloc (void * ptr, yy_size_t size ) { - 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*/ + /* 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 ); +} - ret = (ChessMove) yylex(); +void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} -#ifdef FLEX_SCANNER - if (oldBuffer != NULL) - yy_switch_to_buffer(oldBuffer); - yy_delete_buffer(buffer); -#endif /*FLEX_SCANNER*/ - StringToLex = oldStringToLex; +#define YYTABLES_NAME "yytables" + +#line 929 "parser.l" + + + + +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; +{ + 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; + +#ifdef FLEX_SCANNER + if (oldBuffer != NULL) + yy_switch_to_buffer(oldBuffer); + yy_delete_buffer(buffer); +#endif /*FLEX_SCANNER*/ + StringToLex = oldStringToLex; + + return ret; +} - return ret; -}