Mercurial > vba-clojure
view src/sdl/expr-lex.cpp @ 461:a2ae4213deb7
implemented adjustable wave-duty for the two pitch channels.
author | Robert McIntyre <rlm@mit.edu> |
---|---|
date | Fri, 04 May 2012 03:01:28 -0500 |
parents | f9f4f1b99eed |
children |
line wrap: on
line source
1 #line 2 "expr-lex.cpp"2 /* A lexical scanner generated by flex */4 /* Scanner skeleton version:5 * $Header: /cvsroot/vba/VisualBoyAdvance/src/expr-lex.cpp,v 1.2 2003/06/06 14:17:21 forgotten Exp $6 */8 #define FLEX_SCANNER9 #define YY_FLEX_MAJOR_VERSION 210 #define YY_FLEX_MINOR_VERSION 512 #include <stdio.h>13 #ifdef __GNUC__14 #include <unistd.h>15 #endif18 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */19 #ifdef c_plusplus20 #ifndef __cplusplus21 #define __cplusplus22 #endif23 #endif26 #ifdef __cplusplus28 #include <stdlib.h>30 /* Use prototypes in function declarations. */31 #define YY_USE_PROTOS33 /* The "const" storage-class-modifier is valid. */34 #define YY_USE_CONST36 #else /* ! __cplusplus */38 #if __STDC__40 #define YY_USE_PROTOS41 #define YY_USE_CONST43 #endif /* __STDC__ */44 #endif /* ! __cplusplus */46 #ifdef __TURBOC__47 #pragma warn -rch48 #pragma warn -use49 #include <io.h>50 #include <stdlib.h>51 #define YY_USE_CONST52 #define YY_USE_PROTOS53 #endif55 #ifdef YY_USE_CONST56 #define yyconst const57 #else58 #define yyconst59 #endif62 #ifdef YY_USE_PROTOS63 #define YY_PROTO(proto) proto64 #else65 #define YY_PROTO(proto) ()66 #endif68 /* Returned upon end-of-file. */69 #define YY_NULL 071 /* Promotes a possibly negative, possibly signed char to an unsigned72 * integer for use as an array index. If the signed char is negative,73 * we want to instead treat it as an 8-bit unsigned char, hence the74 * double cast.75 */76 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)78 /* Enter a start condition. This macro really ought to take a parameter,79 * but we do it the disgusting crufty way forced on us by the ()-less80 * definition of BEGIN.81 */82 #define BEGIN yy_start = 1 + 2 *84 /* Translate the current start state into a value that can be later handed85 * to BEGIN to return to the state. The YYSTATE alias is for lex86 * compatibility.87 */88 #define YY_START ((yy_start - 1) / 2)89 #define YYSTATE YY_START91 /* Action number for EOF rule of a given start state. */92 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)94 /* Special action meaning "start processing a new file". */95 #define YY_NEW_FILE yyrestart( yyin )97 #define YY_END_OF_BUFFER_CHAR 099 /* Size of default input buffer. */100 #define YY_BUF_SIZE 16384102 typedef struct yy_buffer_state *YY_BUFFER_STATE;104 extern int yyleng;105 extern FILE *yyin, *yyout;107 #define EOB_ACT_CONTINUE_SCAN 0108 #define EOB_ACT_END_OF_FILE 1109 #define EOB_ACT_LAST_MATCH 2111 /* The funky do-while in the following #define is used to turn the definition112 * int a single C statement (which needs a semi-colon terminator). This113 * avoids problems with code like:114 *115 * if ( condition_holds )116 * yyless( 5 );117 * else118 * do_something_else();119 *120 * Prior to using the do-while the compiler would get upset at the121 * "else" because it interpreted the "if" statement as being all122 * done when it reached the ';' after the yyless() call.123 */125 /* Return all but the first 'n' matched characters back to the input stream. */127 #define yyless(n) \128 do \129 { \130 /* Undo effects of setting up yytext. */ \131 *yy_cp = yy_hold_char; \132 YY_RESTORE_YY_MORE_OFFSET \133 yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \134 YY_DO_BEFORE_ACTION; /* set up yytext again */ \135 } \136 while ( 0 )138 #define unput(c) yyunput( c, yytext_ptr )140 /* The following is because we cannot portably get our hands on size_t141 * (without autoconf's help, which isn't available because we want142 * flex-generated scanners to compile on their own).143 */144 typedef unsigned int yy_size_t;147 struct yy_buffer_state148 {149 FILE *yy_input_file;151 char *yy_ch_buf; /* input buffer */152 char *yy_buf_pos; /* current position in input buffer */154 /* Size of input buffer in bytes, not including room for EOB155 * characters.156 */157 yy_size_t yy_buf_size;159 /* Number of characters read into yy_ch_buf, not including EOB160 * characters.161 */162 int yy_n_chars;164 /* Whether we "own" the buffer - i.e., we know we created it,165 * and can realloc() it to grow it, and should free() it to166 * delete it.167 */168 int yy_is_our_buffer;170 /* Whether this is an "interactive" input source; if so, and171 * if we're using stdio for input, then we want to use getc()172 * instead of fread(), to make sure we stop fetching input after173 * each newline.174 */175 int yy_is_interactive;177 /* Whether we're considered to be at the beginning of a line.178 * If so, '^' rules will be active on the next match, otherwise179 * not.180 */181 int yy_at_bol;183 /* Whether to try to fill the input buffer when we reach the184 * end of it.185 */186 int yy_fill_buffer;188 int yy_buffer_status;189 #define YY_BUFFER_NEW 0190 #define YY_BUFFER_NORMAL 1191 /* When an EOF's been seen but there's still some text to process192 * then we mark the buffer as YY_EOF_PENDING, to indicate that we193 * shouldn't try reading from the input source any more. We might194 * still have a bunch of tokens to match, though, because of195 * possible backing-up.196 *197 * When we actually see the EOF, we change the status to "new"198 * (via yyrestart()), so that the user can continue scanning by199 * just pointing yyin at a new input file.200 */201 #define YY_BUFFER_EOF_PENDING 2202 };204 static YY_BUFFER_STATE yy_current_buffer = 0;206 /* We provide macros for accessing buffer states in case in the207 * future we want to put the buffer states in a more general208 * "scanner state".209 */210 #define YY_CURRENT_BUFFER yy_current_buffer213 /* yy_hold_char holds the character lost when yytext is formed. */214 static char yy_hold_char;216 static int yy_n_chars; /* number of characters read into yy_ch_buf */219 int yyleng;221 /* Points to current character in buffer. */222 static char *yy_c_buf_p = (char *) 0;223 static int yy_init = 1; /* whether we need to initialize */224 static int yy_start = 0; /* start state number */226 /* Flag which is used to allow yywrap()'s to do buffer switches227 * instead of setting up a fresh yyin. A bit of a hack ...228 */229 static int yy_did_buffer_switch_on_eof;231 void yyrestart YY_PROTO(( FILE *input_file ));233 void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));234 void yy_load_buffer_state YY_PROTO(( void ));235 YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));236 void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));237 void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));238 void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));239 #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )241 YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));242 YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));243 YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));245 static void *yy_flex_alloc YY_PROTO(( yy_size_t ));246 static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));247 static void yy_flex_free YY_PROTO(( void * ));249 #define yy_new_buffer yy_create_buffer251 #define yy_set_interactive(is_interactive) \252 { \253 if ( ! yy_current_buffer ) \254 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \255 yy_current_buffer->yy_is_interactive = is_interactive; \256 }258 #define yy_set_bol(at_bol) \259 { \260 if ( ! yy_current_buffer ) \261 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \262 yy_current_buffer->yy_at_bol = at_bol; \263 }265 #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)268 #define yywrap() 1269 #define YY_SKIP_YYWRAP270 typedef unsigned char YY_CHAR;271 FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;272 typedef int yy_state_type;273 extern char *yytext;274 #define yytext_ptr yytext276 static yy_state_type yy_get_previous_state YY_PROTO(( void ));277 static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));278 static int yy_get_next_buffer YY_PROTO(( void ));279 static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));281 /* Done after the current pattern has been matched and before the282 * corresponding action - sets up yytext.283 */284 #define YY_DO_BEFORE_ACTION \285 yytext_ptr = yy_bp; \286 yyleng = (int) (yy_cp - yy_bp); \287 yy_hold_char = *yy_cp; \288 *yy_cp = '\0'; \289 yy_c_buf_p = yy_cp;291 #define YY_NUM_RULES 10292 #define YY_END_OF_BUFFER 11293 static yyconst short int yy_accept[24] =294 { 0,295 0, 0, 11, 9, 8, 8, 6, 7, 9, 4,296 3, 2, 2, 8, 5, 3, 2, 2, 2, 2,297 2, 1, 0298 } ;300 static yyconst int yy_ec[256] =301 { 0,302 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,303 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,304 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,305 1, 2, 1, 1, 1, 1, 1, 4, 1, 1,306 1, 5, 1, 1, 6, 7, 1, 8, 8, 8,307 8, 8, 8, 8, 8, 8, 8, 1, 1, 1,308 1, 9, 1, 1, 10, 10, 10, 10, 10, 10,309 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,310 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,311 1, 1, 1, 1, 10, 1, 10, 10, 10, 10,313 11, 12, 10, 10, 13, 10, 10, 10, 10, 10,314 14, 10, 10, 10, 15, 10, 10, 10, 10, 10,315 10, 16, 1, 1, 1, 1, 1, 1, 1, 1,316 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,317 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,318 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,319 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,320 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,321 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,322 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,324 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,325 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,326 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,327 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,328 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,329 1, 1, 1, 1, 1330 } ;332 static yyconst int yy_meta[17] =333 { 0,334 1, 1, 1, 1, 1, 1, 1, 2, 1, 2,335 2, 2, 2, 2, 2, 2336 } ;338 static yyconst short int yy_base[25] =339 { 0,340 0, 0, 32, 33, 15, 17, 33, 33, 22, 33,341 22, 0, 16, 19, 33, 20, 0, 11, 15, 11,342 12, 0, 33, 21343 } ;345 static yyconst short int yy_def[25] =346 { 0,347 23, 1, 23, 23, 23, 23, 23, 23, 23, 23,348 23, 24, 24, 23, 23, 23, 24, 24, 24, 24,349 24, 24, 0, 23350 } ;352 static yyconst short int yy_nxt[50] =353 { 0,354 4, 5, 6, 7, 8, 9, 10, 11, 4, 12,355 12, 12, 12, 12, 13, 12, 14, 14, 14, 14,356 14, 14, 17, 22, 21, 20, 19, 16, 18, 16,357 15, 23, 3, 23, 23, 23, 23, 23, 23, 23,358 23, 23, 23, 23, 23, 23, 23, 23, 23359 } ;361 static yyconst short int yy_chk[50] =362 { 0,363 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,364 1, 1, 1, 1, 1, 1, 5, 5, 6, 6,365 14, 14, 24, 21, 20, 19, 18, 16, 13, 11,366 9, 3, 23, 23, 23, 23, 23, 23, 23, 23,367 23, 23, 23, 23, 23, 23, 23, 23, 23368 } ;370 static yy_state_type yy_last_accepting_state;371 static char *yy_last_accepting_cpos;373 /* The intent behind this definition is that it'll catch374 * any uses of REJECT which flex missed.375 */376 #define REJECT reject_used_but_not_detected377 #define yymore() yymore_used_but_not_detected378 #define YY_MORE_ADJ 0379 #define YY_RESTORE_YY_MORE_OFFSET380 char *yytext;381 #line 1 "expr.l"382 #define INITIAL 0383 #line 2 "expr.l"384 #include "expr.cpp.h"386 #ifndef __GNUC__387 #include <io.h>388 #define isatty _isatty389 #endif391 char *exprString;392 int exprCol;394 #define YY_INPUT(buf,result,max_size) \395 { \396 int c = *exprString++; \397 exprCol++;\398 result = (c == 0) ? YY_NULL : (buf[0] = c, 1); \399 }400 #define YY_MAIN 0401 #line 400 "expr-lex.cpp"403 /* Macros after this point can all be overridden by user definitions in404 * section 1.405 */407 #ifndef YY_SKIP_YYWRAP408 #ifdef __cplusplus409 extern "C" int yywrap YY_PROTO(( void ));410 #else411 extern int yywrap YY_PROTO(( void ));412 #endif413 #endif415 #ifndef YY_NO_UNPUT416 static void yyunput YY_PROTO(( int c, char *buf_ptr ));417 #endif419 #ifndef yytext_ptr420 static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));421 #endif423 #ifdef YY_NEED_STRLEN424 static int yy_flex_strlen YY_PROTO(( yyconst char * ));425 #endif427 #ifndef YY_NO_INPUT428 #ifdef __cplusplus429 static int yyinput YY_PROTO(( void ));430 #else431 static int input YY_PROTO(( void ));432 #endif433 #endif435 #if YY_STACK_USED436 static int yy_start_stack_ptr = 0;437 static int yy_start_stack_depth = 0;438 static int *yy_start_stack = 0;439 #ifndef YY_NO_PUSH_STATE440 static void yy_push_state YY_PROTO(( int new_state ));441 #endif442 #ifndef YY_NO_POP_STATE443 static void yy_pop_state YY_PROTO(( void ));444 #endif445 #ifndef YY_NO_TOP_STATE446 static int yy_top_state YY_PROTO(( void ));447 #endif449 #else450 #define YY_NO_PUSH_STATE 1451 #define YY_NO_POP_STATE 1452 #define YY_NO_TOP_STATE 1453 #endif455 #ifdef YY_MALLOC_DECL456 YY_MALLOC_DECL457 #else458 #if __STDC__459 #ifndef __cplusplus460 #include <stdlib.h>461 #endif462 #else463 /* Just try to get by without declaring the routines. This will fail464 * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)465 * or sizeof(void*) != sizeof(int).466 */467 #endif468 #endif470 /* Amount of stuff to slurp up with each read. */471 #ifndef YY_READ_BUF_SIZE472 #define YY_READ_BUF_SIZE 8192473 #endif475 /* Copy whatever the last rule matched to the standard output. */477 #ifndef ECHO478 /* This used to be an fputs(), but since the string might contain NUL's,479 * we now use fwrite().480 */481 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )482 #endif484 /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,485 * is returned in "result".486 */487 #ifndef YY_INPUT488 #define YY_INPUT(buf,result,max_size) \489 if ( yy_current_buffer->yy_is_interactive ) \490 { \491 int c = '*', n; \492 for ( n = 0; n < max_size && \493 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \494 buf[n] = (char) c; \495 if ( c == '\n' ) \496 buf[n++] = (char) c; \497 if ( c == EOF && ferror( yyin ) ) \498 YY_FATAL_ERROR( "input in flex scanner failed" ); \499 result = n; \500 } \501 else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \502 && ferror( yyin ) ) \503 YY_FATAL_ERROR( "input in flex scanner failed" );504 #endif506 /* No semi-colon after return; correct usage is to write "yyterminate();" -507 * we don't want an extra ';' after the "return" because that will cause508 * some compilers to complain about unreachable statements.509 */510 #ifndef yyterminate511 #define yyterminate() return YY_NULL512 #endif514 /* Number of entries by which start-condition stack grows. */515 #ifndef YY_START_STACK_INCR516 #define YY_START_STACK_INCR 25517 #endif519 /* Report a fatal error. */520 #ifndef YY_FATAL_ERROR521 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )522 #endif524 /* Default declaration of generated scanner - a define so the user can525 * easily add parameters.526 */527 #ifndef YY_DECL528 #define YY_DECL int yylex YY_PROTO(( void ))529 #endif531 /* Code executed at the beginning of each rule, after yytext and yyleng532 * have been set up.533 */534 #ifndef YY_USER_ACTION535 #define YY_USER_ACTION536 #endif538 /* Code executed at the end of each rule. */539 #ifndef YY_BREAK540 #define YY_BREAK break;541 #endif543 #define YY_RULE_SETUP \544 YY_USER_ACTION546 YY_DECL547 {548 register yy_state_type yy_current_state;549 register char *yy_cp = NULL, *yy_bp = NULL;550 register int yy_act;552 #line 31 "expr.l"555 #line 554 "expr-lex.cpp"557 if ( yy_init )558 {559 yy_init = 0;561 #ifdef YY_USER_INIT562 YY_USER_INIT;563 #endif565 if ( ! yy_start )566 yy_start = 1; /* first start state */568 if ( ! yyin )569 yyin = stdin;571 if ( ! yyout )572 yyout = stdout;574 if ( ! yy_current_buffer )575 yy_current_buffer =576 yy_create_buffer( yyin, YY_BUF_SIZE );578 yy_load_buffer_state();579 }581 while ( 1 ) /* loops until end-of-file is reached */582 {583 yy_cp = yy_c_buf_p;585 /* Support of yytext. */586 *yy_cp = yy_hold_char;588 /* yy_bp points to the position in yy_ch_buf of the start of589 * the current run.590 */591 yy_bp = yy_cp;593 yy_current_state = yy_start;594 yy_match:595 do596 {597 register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];598 if ( yy_accept[yy_current_state] )599 {600 yy_last_accepting_state = yy_current_state;601 yy_last_accepting_cpos = yy_cp;602 }603 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )604 {605 yy_current_state = (int) yy_def[yy_current_state];606 if ( yy_current_state >= 24 )607 yy_c = yy_meta[(unsigned int) yy_c];608 }609 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];610 ++yy_cp;611 }612 while ( yy_base[yy_current_state] != 33 );614 yy_find_action:615 yy_act = yy_accept[yy_current_state];616 if ( yy_act == 0 )617 { /* have to back up */618 yy_cp = yy_last_accepting_cpos;619 yy_current_state = yy_last_accepting_state;620 yy_act = yy_accept[yy_current_state];621 }623 YY_DO_BEFORE_ACTION;626 do_action: /* This label is used only to access EOF actions. */629 switch ( yy_act )630 { /* beginning of action switch */631 case 0: /* must back up */632 /* undo the effects of YY_DO_BEFORE_ACTION */633 *yy_cp = yy_hold_char;634 yy_cp = yy_last_accepting_cpos;635 yy_current_state = yy_last_accepting_state;636 goto yy_find_action;638 case 1:639 YY_RULE_SETUP640 #line 33 "expr.l"641 {642 return TOKEN_SIZEOF;643 }644 YY_BREAK645 case 2:646 YY_RULE_SETUP647 #line 37 "expr.l"648 {649 return TOKEN_IDENTIFIER;650 }651 YY_BREAK652 case 3:653 YY_RULE_SETUP654 #line 41 "expr.l"655 {656 return TOKEN_NUMBER;657 }658 YY_BREAK659 case 4:660 YY_RULE_SETUP661 #line 45 "expr.l"662 {663 return TOKEN_DOT;664 }665 YY_BREAK666 case 5:667 YY_RULE_SETUP668 #line 49 "expr.l"669 {670 return TOKEN_ARROW;671 }672 YY_BREAK673 case 6:674 YY_RULE_SETUP675 #line 53 "expr.l"676 {677 return TOKEN_ADDR;678 }679 YY_BREAK680 case 7:681 YY_RULE_SETUP682 #line 57 "expr.l"683 {684 return TOKEN_STAR;685 }686 YY_BREAK687 case 8:688 YY_RULE_SETUP689 #line 61 "expr.l"691 YY_BREAK692 case 9:693 YY_RULE_SETUP694 #line 63 "expr.l"695 return *yytext;696 YY_BREAK697 case 10:698 YY_RULE_SETUP699 #line 65 "expr.l"700 ECHO;701 YY_BREAK702 #line 701 "expr-lex.cpp"703 case YY_STATE_EOF(INITIAL):704 yyterminate();706 case YY_END_OF_BUFFER:707 {708 /* Amount of text matched not including the EOB char. */709 int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;711 /* Undo the effects of YY_DO_BEFORE_ACTION. */712 *yy_cp = yy_hold_char;713 YY_RESTORE_YY_MORE_OFFSET715 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )716 {717 /* We're scanning a new file or input source. It's718 * possible that this happened because the user719 * just pointed yyin at a new source and called720 * yylex(). If so, then we have to assure721 * consistency between yy_current_buffer and our722 * globals. Here is the right place to do so, because723 * this is the first action (other than possibly a724 * back-up) that will match for the new input source.725 */726 yy_n_chars = yy_current_buffer->yy_n_chars;727 yy_current_buffer->yy_input_file = yyin;728 yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;729 }731 /* Note that here we test for yy_c_buf_p "<=" to the position732 * of the first EOB in the buffer, since yy_c_buf_p will733 * already have been incremented past the NUL character734 * (since all states make transitions on EOB to the735 * end-of-buffer state). Contrast this with the test736 * in input().737 */738 if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )739 { /* This was really a NUL. */740 yy_state_type yy_next_state;742 yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;744 yy_current_state = yy_get_previous_state();746 /* Okay, we're now positioned to make the NUL747 * transition. We couldn't have748 * yy_get_previous_state() go ahead and do it749 * for us because it doesn't know how to deal750 * with the possibility of jamming (and we don't751 * want to build jamming into it because then it752 * will run more slowly).753 */755 yy_next_state = yy_try_NUL_trans( yy_current_state );757 yy_bp = yytext_ptr + YY_MORE_ADJ;759 if ( yy_next_state )760 {761 /* Consume the NUL. */762 yy_cp = ++yy_c_buf_p;763 yy_current_state = yy_next_state;764 goto yy_match;765 }767 else768 {769 yy_cp = yy_c_buf_p;770 goto yy_find_action;771 }772 }774 else switch ( yy_get_next_buffer() )775 {776 case EOB_ACT_END_OF_FILE:777 {778 yy_did_buffer_switch_on_eof = 0;780 if ( yywrap() )781 {782 /* Note: because we've taken care in783 * yy_get_next_buffer() to have set up784 * yytext, we can now set up785 * yy_c_buf_p so that if some total786 * hoser (like flex itself) wants to787 * call the scanner after we return the788 * YY_NULL, it'll still work - another789 * YY_NULL will get returned.790 */791 yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;793 yy_act = YY_STATE_EOF(YY_START);794 goto do_action;795 }797 else798 {799 if ( ! yy_did_buffer_switch_on_eof )800 YY_NEW_FILE;801 }802 break;803 }805 case EOB_ACT_CONTINUE_SCAN:806 yy_c_buf_p =807 yytext_ptr + yy_amount_of_matched_text;809 yy_current_state = yy_get_previous_state();811 yy_cp = yy_c_buf_p;812 yy_bp = yytext_ptr + YY_MORE_ADJ;813 goto yy_match;815 case EOB_ACT_LAST_MATCH:816 yy_c_buf_p =817 &yy_current_buffer->yy_ch_buf[yy_n_chars];819 yy_current_state = yy_get_previous_state();821 yy_cp = yy_c_buf_p;822 yy_bp = yytext_ptr + YY_MORE_ADJ;823 goto yy_find_action;824 }825 break;826 }828 default:829 YY_FATAL_ERROR(830 "fatal flex scanner internal error--no action found" );831 } /* end of action switch */832 } /* end of scanning one token */833 } /* end of yylex */836 /* yy_get_next_buffer - try to read in a new buffer837 *838 * Returns a code representing an action:839 * EOB_ACT_LAST_MATCH -840 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position841 * EOB_ACT_END_OF_FILE - end of file842 */844 static int yy_get_next_buffer()845 {846 register char *dest = yy_current_buffer->yy_ch_buf;847 register char *source = yytext_ptr;848 register int number_to_move, i;849 int ret_val;851 if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )852 YY_FATAL_ERROR(853 "fatal flex scanner internal error--end of buffer missed" );855 if ( yy_current_buffer->yy_fill_buffer == 0 )856 { /* Don't try to fill the buffer, so this is an EOF. */857 if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )858 {859 /* We matched a single character, the EOB, so860 * treat this as a final EOF.861 */862 return EOB_ACT_END_OF_FILE;863 }865 else866 {867 /* We matched some text prior to the EOB, first868 * process it.869 */870 return EOB_ACT_LAST_MATCH;871 }872 }874 /* Try to read more data. */876 /* First move last chars to start of buffer. */877 number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;879 for ( i = 0; i < number_to_move; ++i )880 *(dest++) = *(source++);882 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )883 /* don't do the read, it's not guaranteed to return an EOF,884 * just force an EOF885 */886 yy_current_buffer->yy_n_chars = yy_n_chars = 0;888 else889 {890 int num_to_read =891 yy_current_buffer->yy_buf_size - number_to_move - 1;893 while ( num_to_read <= 0 )894 { /* Not enough room in the buffer - grow it. */895 #ifdef YY_USES_REJECT896 YY_FATAL_ERROR(897 "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );898 #else900 /* just a shorter name for the current buffer */901 YY_BUFFER_STATE b = yy_current_buffer;903 int yy_c_buf_p_offset =904 (int) (yy_c_buf_p - b->yy_ch_buf);906 if ( b->yy_is_our_buffer )907 {908 int new_size = b->yy_buf_size * 2;910 if ( new_size <= 0 )911 b->yy_buf_size += b->yy_buf_size / 8;912 else913 b->yy_buf_size *= 2;915 b->yy_ch_buf = (char *)916 /* Include room in for 2 EOB chars. */917 yy_flex_realloc( (void *) b->yy_ch_buf,918 b->yy_buf_size + 2 );919 }920 else921 /* Can't grow it, we don't own it. */922 b->yy_ch_buf = 0;924 if ( ! b->yy_ch_buf )925 YY_FATAL_ERROR(926 "fatal error - scanner input buffer overflow" );928 yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];930 num_to_read = yy_current_buffer->yy_buf_size -931 number_to_move - 1;932 #endif933 }935 if ( num_to_read > YY_READ_BUF_SIZE )936 num_to_read = YY_READ_BUF_SIZE;938 /* Read in more data. */939 YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),940 yy_n_chars, num_to_read );942 yy_current_buffer->yy_n_chars = yy_n_chars;943 }945 if ( yy_n_chars == 0 )946 {947 if ( number_to_move == YY_MORE_ADJ )948 {949 ret_val = EOB_ACT_END_OF_FILE;950 yyrestart( yyin );951 }953 else954 {955 ret_val = EOB_ACT_LAST_MATCH;956 yy_current_buffer->yy_buffer_status =957 YY_BUFFER_EOF_PENDING;958 }959 }961 else962 ret_val = EOB_ACT_CONTINUE_SCAN;964 yy_n_chars += number_to_move;965 yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;966 yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;968 yytext_ptr = &yy_current_buffer->yy_ch_buf[0];970 return ret_val;971 }974 /* yy_get_previous_state - get the state just before the EOB char was reached */976 static yy_state_type yy_get_previous_state()977 {978 register yy_state_type yy_current_state;979 register char *yy_cp;981 yy_current_state = yy_start;983 for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )984 {985 register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);986 if ( yy_accept[yy_current_state] )987 {988 yy_last_accepting_state = yy_current_state;989 yy_last_accepting_cpos = yy_cp;990 }991 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )992 {993 yy_current_state = (int) yy_def[yy_current_state];994 if ( yy_current_state >= 24 )995 yy_c = yy_meta[(unsigned int) yy_c];996 }997 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];998 }1000 return yy_current_state;1001 }1004 /* yy_try_NUL_trans - try to make a transition on the NUL character1005 *1006 * synopsis1007 * next_state = yy_try_NUL_trans( current_state );1008 */1010 #ifdef YY_USE_PROTOS1011 static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )1012 #else1013 static yy_state_type yy_try_NUL_trans( yy_current_state )1014 yy_state_type yy_current_state;1015 #endif1016 {1017 register int yy_is_jam;1018 register char *yy_cp = yy_c_buf_p;1020 register YY_CHAR yy_c = 1;1021 if ( yy_accept[yy_current_state] )1022 {1023 yy_last_accepting_state = yy_current_state;1024 yy_last_accepting_cpos = yy_cp;1025 }1026 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )1027 {1028 yy_current_state = (int) yy_def[yy_current_state];1029 if ( yy_current_state >= 24 )1030 yy_c = yy_meta[(unsigned int) yy_c];1031 }1032 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];1033 yy_is_jam = (yy_current_state == 23);1035 return yy_is_jam ? 0 : yy_current_state;1036 }1039 #ifndef YY_NO_UNPUT1040 #ifdef YY_USE_PROTOS1041 static void yyunput( int c, register char *yy_bp )1042 #else1043 static void yyunput( c, yy_bp )1044 int c;1045 register char *yy_bp;1046 #endif1047 {1048 register char *yy_cp = yy_c_buf_p;1050 /* undo effects of setting up yytext */1051 *yy_cp = yy_hold_char;1053 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )1054 { /* need to shift things up to make room */1055 /* +2 for EOB chars. */1056 register int number_to_move = yy_n_chars + 2;1057 register char *dest = &yy_current_buffer->yy_ch_buf[1058 yy_current_buffer->yy_buf_size + 2];1059 register char *source =1060 &yy_current_buffer->yy_ch_buf[number_to_move];1062 while ( source > yy_current_buffer->yy_ch_buf )1063 *--dest = *--source;1065 yy_cp += (int) (dest - source);1066 yy_bp += (int) (dest - source);1067 yy_current_buffer->yy_n_chars =1068 yy_n_chars = yy_current_buffer->yy_buf_size;1070 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )1071 YY_FATAL_ERROR( "flex scanner push-back overflow" );1072 }1074 *--yy_cp = (char) c;1077 yytext_ptr = yy_bp;1078 yy_hold_char = *yy_cp;1079 yy_c_buf_p = yy_cp;1080 }1081 #endif /* ifndef YY_NO_UNPUT */1084 #ifdef __cplusplus1085 static int yyinput()1086 #else1087 static int input()1088 #endif1089 {1090 int c;1092 *yy_c_buf_p = yy_hold_char;1094 if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )1095 {1096 /* yy_c_buf_p now points to the character we want to return.1097 * If this occurs *before* the EOB characters, then it's a1098 * valid NUL; if not, then we've hit the end of the buffer.1099 */1100 if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )1101 /* This was really a NUL. */1102 *yy_c_buf_p = '\0';1104 else1105 { /* need more input */1106 int offset = yy_c_buf_p - yytext_ptr;1107 ++yy_c_buf_p;1109 switch ( yy_get_next_buffer() )1110 {1111 case EOB_ACT_LAST_MATCH:1112 /* This happens because yy_g_n_b()1113 * sees that we've accumulated a1114 * token and flags that we need to1115 * try matching the token before1116 * proceeding. But for input(),1117 * there's no matching to consider.1118 * So convert the EOB_ACT_LAST_MATCH1119 * to EOB_ACT_END_OF_FILE.1120 */1122 /* Reset buffer status. */1123 yyrestart( yyin );1125 /* fall through */1127 case EOB_ACT_END_OF_FILE:1128 {1129 if ( yywrap() )1130 return EOF;1132 if ( ! yy_did_buffer_switch_on_eof )1133 YY_NEW_FILE;1134 #ifdef __cplusplus1135 return yyinput();1136 #else1137 return input();1138 #endif1139 }1141 case EOB_ACT_CONTINUE_SCAN:1142 yy_c_buf_p = yytext_ptr + offset;1143 break;1144 }1145 }1146 }1148 c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */1149 *yy_c_buf_p = '\0'; /* preserve yytext */1150 yy_hold_char = *++yy_c_buf_p;1153 return c;1154 }1157 #ifdef YY_USE_PROTOS1158 void yyrestart( FILE *input_file )1159 #else1160 void yyrestart( input_file )1161 FILE *input_file;1162 #endif1163 {1164 if ( ! yy_current_buffer )1165 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );1167 yy_init_buffer( yy_current_buffer, input_file );1168 yy_load_buffer_state();1169 }1172 #ifdef YY_USE_PROTOS1173 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )1174 #else1175 void yy_switch_to_buffer( new_buffer )1176 YY_BUFFER_STATE new_buffer;1177 #endif1178 {1179 if ( yy_current_buffer == new_buffer )1180 return;1182 if ( yy_current_buffer )1183 {1184 /* Flush out information for old buffer. */1185 *yy_c_buf_p = yy_hold_char;1186 yy_current_buffer->yy_buf_pos = yy_c_buf_p;1187 yy_current_buffer->yy_n_chars = yy_n_chars;1188 }1190 yy_current_buffer = new_buffer;1191 yy_load_buffer_state();1193 /* We don't actually know whether we did this switch during1194 * EOF (yywrap()) processing, but the only time this flag1195 * is looked at is after yywrap() is called, so it's safe1196 * to go ahead and always set it.1197 */1198 yy_did_buffer_switch_on_eof = 1;1199 }1202 #ifdef YY_USE_PROTOS1203 void yy_load_buffer_state( void )1204 #else1205 void yy_load_buffer_state()1206 #endif1207 {1208 yy_n_chars = yy_current_buffer->yy_n_chars;1209 yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;1210 yyin = yy_current_buffer->yy_input_file;1211 yy_hold_char = *yy_c_buf_p;1212 }1215 #ifdef YY_USE_PROTOS1216 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )1217 #else1218 YY_BUFFER_STATE yy_create_buffer( file, size )1219 FILE *file;1220 int size;1221 #endif1222 {1223 YY_BUFFER_STATE b;1225 b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );1226 if ( ! b )1227 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );1229 b->yy_buf_size = size;1231 /* yy_ch_buf has to be 2 characters longer than the size given because1232 * we need to put in 2 end-of-buffer characters.1233 */1234 b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );1235 if ( ! b->yy_ch_buf )1236 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );1238 b->yy_is_our_buffer = 1;1240 yy_init_buffer( b, file );1242 return b;1243 }1246 #ifdef YY_USE_PROTOS1247 void yy_delete_buffer( YY_BUFFER_STATE b )1248 #else1249 void yy_delete_buffer( b )1250 YY_BUFFER_STATE b;1251 #endif1252 {1253 if ( ! b )1254 return;1256 if ( b == yy_current_buffer )1257 yy_current_buffer = (YY_BUFFER_STATE) 0;1259 if ( b->yy_is_our_buffer )1260 yy_flex_free( (void *) b->yy_ch_buf );1262 yy_flex_free( (void *) b );1263 }1267 #ifdef YY_USE_PROTOS1268 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )1269 #else1270 void yy_init_buffer( b, file )1271 YY_BUFFER_STATE b;1272 FILE *file;1273 #endif1276 {1277 yy_flush_buffer( b );1279 b->yy_input_file = file;1280 b->yy_fill_buffer = 1;1282 #if YY_ALWAYS_INTERACTIVE1283 b->yy_is_interactive = 1;1284 #else1285 #if YY_NEVER_INTERACTIVE1286 b->yy_is_interactive = 0;1287 #else1288 b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;1289 #endif1290 #endif1291 }1294 #ifdef YY_USE_PROTOS1295 void yy_flush_buffer( YY_BUFFER_STATE b )1296 #else1297 void yy_flush_buffer( b )1298 YY_BUFFER_STATE b;1299 #endif1301 {1302 if ( ! b )1303 return;1305 b->yy_n_chars = 0;1307 /* We always need two end-of-buffer characters. The first causes1308 * a transition to the end-of-buffer state. The second causes1309 * a jam in that state.1310 */1311 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;1312 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;1314 b->yy_buf_pos = &b->yy_ch_buf[0];1316 b->yy_at_bol = 1;1317 b->yy_buffer_status = YY_BUFFER_NEW;1319 if ( b == yy_current_buffer )1320 yy_load_buffer_state();1321 }1324 #ifndef YY_NO_SCAN_BUFFER1325 #ifdef YY_USE_PROTOS1326 YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )1327 #else1328 YY_BUFFER_STATE yy_scan_buffer( base, size )1329 char *base;1330 yy_size_t size;1331 #endif1332 {1333 YY_BUFFER_STATE b;1335 if ( size < 2 ||1336 base[size-2] != YY_END_OF_BUFFER_CHAR ||1337 base[size-1] != YY_END_OF_BUFFER_CHAR )1338 /* They forgot to leave room for the EOB's. */1339 return 0;1341 b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );1342 if ( ! b )1343 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );1345 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */1346 b->yy_buf_pos = b->yy_ch_buf = base;1347 b->yy_is_our_buffer = 0;1348 b->yy_input_file = 0;1349 b->yy_n_chars = b->yy_buf_size;1350 b->yy_is_interactive = 0;1351 b->yy_at_bol = 1;1352 b->yy_fill_buffer = 0;1353 b->yy_buffer_status = YY_BUFFER_NEW;1355 yy_switch_to_buffer( b );1357 return b;1358 }1359 #endif1362 #ifndef YY_NO_SCAN_STRING1363 #ifdef YY_USE_PROTOS1364 YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )1365 #else1366 YY_BUFFER_STATE yy_scan_string( yy_str )1367 yyconst char *yy_str;1368 #endif1369 {1370 int len;1371 for ( len = 0; yy_str[len]; ++len )1372 ;1374 return yy_scan_bytes( yy_str, len );1375 }1376 #endif1379 #ifndef YY_NO_SCAN_BYTES1380 #ifdef YY_USE_PROTOS1381 YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )1382 #else1383 YY_BUFFER_STATE yy_scan_bytes( bytes, len )1384 yyconst char *bytes;1385 int len;1386 #endif1387 {1388 YY_BUFFER_STATE b;1389 char *buf;1390 yy_size_t n;1391 int i;1393 /* Get memory for full buffer, including space for trailing EOB's. */1394 n = len + 2;1395 buf = (char *) yy_flex_alloc( n );1396 if ( ! buf )1397 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );1399 for ( i = 0; i < len; ++i )1400 buf[i] = bytes[i];1402 buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;1404 b = yy_scan_buffer( buf, n );1405 if ( ! b )1406 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );1408 /* It's okay to grow etc. this buffer, and we should throw it1409 * away when we're done.1410 */1411 b->yy_is_our_buffer = 1;1413 return b;1414 }1415 #endif1418 #ifndef YY_NO_PUSH_STATE1419 #ifdef YY_USE_PROTOS1420 static void yy_push_state( int new_state )1421 #else1422 static void yy_push_state( new_state )1423 int new_state;1424 #endif1425 {1426 if ( yy_start_stack_ptr >= yy_start_stack_depth )1427 {1428 yy_size_t new_size;1430 yy_start_stack_depth += YY_START_STACK_INCR;1431 new_size = yy_start_stack_depth * sizeof( int );1433 if ( ! yy_start_stack )1434 yy_start_stack = (int *) yy_flex_alloc( new_size );1436 else1437 yy_start_stack = (int *) yy_flex_realloc(1438 (void *) yy_start_stack, new_size );1440 if ( ! yy_start_stack )1441 YY_FATAL_ERROR(1442 "out of memory expanding start-condition stack" );1443 }1445 yy_start_stack[yy_start_stack_ptr++] = YY_START;1447 BEGIN(new_state);1448 }1449 #endif1452 #ifndef YY_NO_POP_STATE1453 static void yy_pop_state()1454 {1455 if ( --yy_start_stack_ptr < 0 )1456 YY_FATAL_ERROR( "start-condition stack underflow" );1458 BEGIN(yy_start_stack[yy_start_stack_ptr]);1459 }1460 #endif1463 #ifndef YY_NO_TOP_STATE1464 static int yy_top_state()1465 {1466 return yy_start_stack[yy_start_stack_ptr - 1];1467 }1468 #endif1470 #ifndef YY_EXIT_FAILURE1471 #define YY_EXIT_FAILURE 21472 #endif1474 #ifdef YY_USE_PROTOS1475 static void yy_fatal_error( yyconst char msg[] )1476 #else1477 static void yy_fatal_error( msg )1478 char msg[];1479 #endif1480 {1481 (void) fprintf( stderr, "%s\n", msg );1482 exit( YY_EXIT_FAILURE );1483 }1487 /* Redefine yyless() so it works in section 3 code. */1489 #undef yyless1490 #define yyless(n) \1491 do \1492 { \1493 /* Undo effects of setting up yytext. */ \1494 yytext[yyleng] = yy_hold_char; \1495 yy_c_buf_p = yytext + n; \1496 yy_hold_char = *yy_c_buf_p; \1497 *yy_c_buf_p = '\0'; \1498 yyleng = n; \1499 } \1500 while ( 0 )1503 /* Internal utility routines. */1505 #ifndef yytext_ptr1506 #ifdef YY_USE_PROTOS1507 static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )1508 #else1509 static void yy_flex_strncpy( s1, s2, n )1510 char *s1;1511 yyconst char *s2;1512 int n;1513 #endif1514 {1515 register int i;1516 for ( i = 0; i < n; ++i )1517 s1[i] = s2[i];1518 }1519 #endif1521 #ifdef YY_NEED_STRLEN1522 #ifdef YY_USE_PROTOS1523 static int yy_flex_strlen( yyconst char *s )1524 #else1525 static int yy_flex_strlen( s )1526 yyconst char *s;1527 #endif1528 {1529 register int n;1530 for ( n = 0; s[n]; ++n )1531 ;1533 return n;1534 }1535 #endif1538 #ifdef YY_USE_PROTOS1539 static void *yy_flex_alloc( yy_size_t size )1540 #else1541 static void *yy_flex_alloc( size )1542 yy_size_t size;1543 #endif1544 {1545 return (void *) malloc( size );1546 }1548 #ifdef YY_USE_PROTOS1549 static void *yy_flex_realloc( void *ptr, yy_size_t size )1550 #else1551 static void *yy_flex_realloc( ptr, size )1552 void *ptr;1553 yy_size_t size;1554 #endif1555 {1556 /* The cast to (char *) in the following accommodates both1557 * implementations that use char* generic pointers, and those1558 * that use void* generic pointers. It works with the latter1559 * because both ANSI C and C++ allow castless assignment from1560 * any pointer type to void*, and deal with argument conversions1561 * as though doing an assignment.1562 */1563 return (void *) realloc( (char *) ptr, size );1564 }1566 #ifdef YY_USE_PROTOS1567 static void yy_flex_free( void *ptr )1568 #else1569 static void yy_flex_free( ptr )1570 void *ptr;1571 #endif1572 {1573 free( ptr );1574 }1576 #if YY_MAIN1577 int main()1578 {1579 yylex();1580 return 0;1581 }1582 #endif1583 #line 65 "expr.l"1586 void exprCleanBuffer()1587 {1588 yy_delete_buffer(yy_current_buffer);1589 yy_init = 1;1590 }