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1 /* A lexical scanner generated by flex */
2
3 /* scanner skeleton version:
4 * $Header$
5 Last change: JS 13 Jul 97 6:17 pm
6 */
7 /* Copyright: (c) Julian Smart */
8 /* Licence: wxWindows Licence */
9
10 #ifdef __VISUALC__
11 #pragma warning(push)
12 #pragma warning(disable:4127) /* warning C4127: conditional expression is constant [about while ( 0 | 1 )] */
13 #pragma warning(disable:4244) /* warning C4244: '=' : conversion from 'A' to 'B', possible loss of data */
14 #endif
15
16 #define FLEX_SCANNER
17
18 #include <stdio.h>
19
20
21 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
22 #ifdef c_plusplus
23 #ifndef __cplusplus
24 #define __cplusplus
25 #endif
26 #endif
27
28
29 #ifdef __cplusplus
30
31 #include <stdlib.h>
32
33 #ifdef __SALFORDC__
34 #include <io.h>
35 #include <clib.h>
36 #else
37 #include <osfcn.h>
38 #endif
39
40 #ifdef __VISAGECPP__
41 #include <io.h>
42 #endif
43
44 #ifdef __cplusplus
45 static int yyinput()
46 #else
47 static int input()
48 #endif
49
50 /* use prototypes in function declarations */
51 #define YY_USE_PROTOS
52
53 /* the "const" storage-class-modifier is valid */
54 #define YY_USE_CONST
55
56 #else /* ! __cplusplus */
57
58 #ifdef __STDC__
59
60 #ifdef __GNUC__
61 #include <stddef.h>
62 #else
63 #include <stdlib.h>
64 #endif /* __GNUC__ */
65
66 #define YY_USE_PROTOS
67 #define YY_USE_CONST
68
69 #endif /* __STDC__ */
70
71 #ifdef __VISUALC__
72 #define YY_USE_PROTOS
73 #endif
74
75 #ifdef __BORLANDC__
76 #include <io.h>
77 #define YY_USE_PROTOS
78 #define YY_USE_CONST
79 #endif
80
81 #if defined(__MINGW32__) || defined(__WATCOMC__)
82 #include <io.h>
83 #endif
84
85 #endif /* ! __cplusplus */
86
87
88 #ifdef __TURBOC__
89 #define YY_USE_CONST
90 #endif
91
92
93 #ifndef YY_USE_CONST
94 #define const
95 #endif
96
97
98 #ifdef YY_USE_PROTOS
99 #define YY_PROTO(proto) proto
100 #else
101 #define YY_PROTO(proto) ()
102 /* we can't get here if it's an ANSI C compiler, or a C++ compiler,
103 * so it's got to be a K&R compiler, and therefore there's no standard
104 * place from which to include these definitions
105 */
106 /*
107 char *malloc();
108 int free();
109 */
110 #endif
111
112
113 /* amount of stuff to slurp up with each read */
114 #ifndef YY_READ_BUF_SIZE
115 #define YY_READ_BUF_SIZE 8192
116 #endif
117
118
119 /* returned upon end-of-file */
120 #define YY_END_TOK 0
121
122
123 /* copy whatever the last rule matched to the standard output */
124
125 /* cast to (char *) is because for 8-bit chars, yytext is (unsigned char *) */
126 /* this used to be an fputs(), but since the string might contain NUL's,
127 * we now use fwrite()
128 */
129 #define ECHO (void) fwrite( (char *) yytext, yyleng, 1, yyout )
130
131
132 /* gets input and stuffs it into "buf". number of characters read, or YY_NULL,
133 * is returned in "result".
134 */
135 #define YY_INPUT(buf,result,max_size) \
136 if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
137 YY_FATAL_ERROR( "read() in flex scanner failed" );
138 #define YY_NULL 0
139
140
141 /* no semi-colon after return; correct usage is to write "yyterminate();" -
142 * we don't want an extra ';' after the "return" because that will cause
143 * some compilers to complain about unreachable statements.
144 */
145 #define yyterminate() return ( YY_NULL )
146
147
148 /* report a fatal error */
149
150 /* The funky do-while is used to turn this macro definition into
151 * a single C statement (which needs a semi-colon terminator).
152 * This avoids problems with code like:
153 *
154 * if ( something_happens )
155 * YY_FATAL_ERROR( "oops, the something happened" );
156 * else
157 * everything_okay();
158 *
159 * Prior to using the do-while the compiler would get upset at the
160 * "else" because it interpreted the "if" statement as being all
161 * done when it reached the ';' after the YY_FATAL_ERROR() call.
162 */
163
164 #if !defined(__VISAGECPP__)
165 #define YY_FATAL_ERROR(msg) \
166 do \
167 { \
168 (void) fputs( msg, stderr ); \
169 (void) putc( '\n', stderr ); \
170 exit( 1 ); \
171 } \
172 while ( 0 )
173 #else
174 /* suppress expression always false warning */
175 int os2var = 0;
176 #define YY_FATAL_ERROR(msg) \
177 do \
178 { \
179 (void) fputs( msg, stderr ); \
180 (void) putc( '\n', stderr ); \
181 exit( 1 ); \
182 } \
183 while ( os2var == 0 )
184 #endif
185
186
187 /* default yywrap function - always treat EOF as an EOF */
188 int yywrap(void) { return 1; }
189
190
191 /* enter a start condition. This macro really ought to take a parameter,
192 * but we do it the disgusting crufty way forced on us by the ()-less
193 * definition of BEGIN
194 */
195 #define BEGIN yy_start = 1 + 2 *
196
197 /* action number for EOF rule of a given start state */
198 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
199
200 /* special action meaning "start processing a new file" */
201 #if !defined(__VISAGECPP__)
202 #define YY_NEW_FILE \
203 do \
204 { \
205 yy_init_buffer( yy_current_buffer, yyin ); \
206 yy_load_buffer_state(); \
207 } \
208 while ( 0 )
209 #else
210 #define YY_NEW_FILE \
211 do \
212 { \
213 yy_init_buffer( yy_current_buffer, yyin ); \
214 yy_load_buffer_state(); \
215 } \
216 while ( os2var == 0 )
217 #endif
218
219
220 /* default declaration of generated scanner - a define so the user can
221 * easily add parameters
222 */
223 #define YY_DECL int yylex YY_PROTO(( void ))
224
225
226 #define YY_END_OF_BUFFER_CHAR 0
227
228 #ifndef YY_BUF_SIZE
229 #define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of default input buffer */
230 #endif
231
232 typedef struct yy_buffer_state *YY_BUFFER_STATE;
233
234 #define YY_CHAR unsigned char
235 /* # line 1 "lexer.l" */
236 #define INITIAL 0
237 /* # line 9 "lexer.l" */
238 /*
239 * File: lexer.l
240 * Description: Lexical analyser for PROLOGIO; can be used with
241 * either lex and flex.
242 */
243 #include <string.h>
244
245 /* +++steve162e: added, otherwise, PROIO_input will be undefined (at least under LINUX)
246 please check, if this is also TRUE under other UNIXes.
247 */
248
249 #if defined(FLEX_SCANNER) && defined(_LINUX)
250 #define PROIO_input my_input
251 #endif
252 /* ---steve162e */
253
254 #include "wx/deprecated/expr.h"
255 #ifdef wx_x
256 extern char *malloc();
257 #endif
258
259 #if defined(VMS) && ( __VMS_VER < 70000000 )
260 #define strdup(s) (strcpy((char *)malloc(strlen(s)+1), s));
261 #endif
262
263 static size_t lex_buffer_length = 0;
264 static const char *lex_buffer = NULL;
265 static size_t lex_string_ptr = 0;
266 static int lex_read_from_string = 0;
267
268 static int my_input(void);
269 #ifndef FLEX_SCANNER
270 static int my_unput(char);
271 #endif
272
273 #ifdef FLEX_SCANNER
274 #undef YY_INPUT
275 #define YY_INPUT(buf,result,max_size) \
276 if (lex_read_from_string) \
277 { \
278 int c = my_input(); \
279 result = (c == 0) ? YY_NULL : ((buf)[0]=(c), 1); \
280 } \
281 else \
282 if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
283 YY_FATAL_ERROR( "read() in flex scanner failed" );
284 #else
285 #ifndef unput
286 #undef unput
287 #endif
288 #define unput(_c) my_unput(_c)
289 #endif
290
291 /* # line 58 "lexer.l" */
292
293 /* done after the current pattern has been matched and before the
294 * corresponding action - sets up yytext
295 */
296
297 #define YY_DO_BEFORE_ACTION \
298 yytext = yy_bp; \
299 yyleng = yy_cp - yy_bp; \
300 yy_hold_char = *yy_cp; \
301 *yy_cp = '\0'; \
302 yy_c_buf_p = yy_cp;
303
304 #define EOB_ACT_CONTINUE_SCAN 0
305 #define EOB_ACT_END_OF_FILE 1
306 #define EOB_ACT_LAST_MATCH 2
307
308 /* return all but the first 'n' matched characters back to the input stream */
309 #if !defined(__VISAGECPP__)
310 #define yyless(n) \
311 do \
312 { \
313 /* undo effects of setting up yytext */ \
314 *yy_cp = yy_hold_char; \
315 yy_c_buf_p = yy_cp = yy_bp + n; \
316 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
317 } \
318 while ( 0 )
319 #else
320 #define yyless(n) \
321 do \
322 { \
323 /* undo effects of setting up yytext */ \
324 *yy_cp = yy_hold_char; \
325 yy_c_buf_p = yy_cp = yy_bp + n; \
326 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
327 } \
328 while ( os2var == 0 )
329 #endif
330
331 #undef unput
332 #define unput(c) yyunput( c, yytext )
333
334 struct yy_buffer_state
335 {
336 FILE *yy_input_file;
337
338 YY_CHAR *yy_ch_buf; /* input buffer */
339 YY_CHAR *yy_buf_pos; /* current position in input buffer */
340
341 /* size of input buffer in bytes, not including room for EOB characters*/
342 int yy_buf_size;
343
344 /* number of characters read into yy_ch_buf, not including EOB characters */
345 int yy_n_chars;
346
347 int yy_eof_status; /* whether we've seen an EOF on this buffer */
348
349 #define EOF_NOT_SEEN 0
350
351 /* "pending" happens when the EOF has been seen but there's still
352 * some text process
353 */
354
355 #define EOF_PENDING 1
356 #define EOF_DONE 2
357 };
358
359 static YY_BUFFER_STATE yy_current_buffer;
360
361 /* we provide macros for accessing buffer states in case in the
362 * future we want to put the buffer states in a more general
363 * "scanner state"
364 */
365 #define YY_CURRENT_BUFFER yy_current_buffer
366
367
368 /* yy_hold_char holds the character lost when yytext is formed */
369 static YY_CHAR yy_hold_char;
370
371 static int yy_n_chars; /* number of characters read into yy_ch_buf */
372
373
374
375 #ifndef YY_USER_ACTION
376 #define YY_USER_ACTION
377 #endif
378
379 #ifndef YY_USER_INIT
380 #define YY_USER_INIT
381 #endif
382
383 extern YY_CHAR *yytext;
384 extern int yyleng;
385 extern FILE *yyin, *yyout;
386
387 YY_CHAR *yytext;
388 int yyleng;
389
390 FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
391
392 #define YY_END_OF_BUFFER 18
393 typedef int yy_state_type;
394 static const short int yy_accept[34] =
395 { 0,
396 0, 0, 18, 16, 13, 14, 16, 16, 6, 7,
397 16, 8, 12, 16, 1, 11, 3, 9, 10, 2,
398 0, 5, 0, 0, 0, 4, 1, 15, 3, 5,
399 0, 0, 0
400 } ;
401
402 static const YY_CHAR yy_ec[256] =
403 { 0,
404 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
405 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
406 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
407 1, 2, 1, 4, 1, 1, 1, 1, 5, 6,
408 7, 8, 9, 10, 9, 11, 12, 13, 13, 13,
409 13, 13, 13, 13, 13, 13, 13, 1, 1, 1,
410 14, 1, 1, 1, 15, 15, 15, 15, 15, 15,
411 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
412 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
413 16, 17, 18, 1, 15, 1, 15, 15, 15, 15,
414
415 19, 15, 15, 15, 15, 15, 15, 15, 15, 15,
416 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
417 15, 15, 1, 20, 1, 1, 1, 1, 1, 1,
418 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
419 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
420 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
421 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
422 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
423 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
424 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
425
426 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
427 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
428 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
429 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
430 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
431 1, 1, 1, 1, 1
432 } ;
433
434 static const YY_CHAR yy_meta[21] =
435 { 0,
436 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
437 1, 1, 2, 1, 2, 1, 3, 1, 2, 1
438 } ;
439
440 static const short int yy_base[37] =
441 { 0,
442 0, 0, 48, 55, 55, 55, 17, 42, 55, 55,
443 19, 55, 55, 23, 17, 55, 0, 55, 55, 0,
444 18, 55, 19, 23, 21, 55, 12, 55, 0, 24,
445 25, 29, 55, 49, 52, 22
446 } ;
447
448 static const short int yy_def[37] =
449 { 0,
450 33, 1, 33, 33, 33, 33, 34, 35, 33, 33,
451 33, 33, 33, 33, 33, 33, 36, 33, 33, 36,
452 34, 33, 34, 34, 35, 33, 33, 33, 36, 34,
453 34, 34, 0, 33, 33, 33
454 } ;
455
456 static const short int yy_nxt[76] =
457 { 0,
458 4, 5, 6, 7, 8, 9, 10, 4, 11, 12,
459 13, 14, 15, 16, 17, 18, 4, 19, 20, 4,
460 22, 22, 30, 29, 27, 26, 22, 22, 30, 27,
461 28, 27, 30, 23, 23, 23, 24, 24, 24, 31,
462 23, 32, 24, 24, 24, 23, 26, 33, 24, 21,
463 21, 21, 25, 25, 3, 33, 33, 33, 33, 33,
464 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
465 33, 33, 33, 33, 33
466 } ;
467
468 static const short int yy_chk[76] =
469 { 0,
470 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
471 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
472 7, 21, 23, 36, 27, 25, 24, 30, 31, 15,
473 14, 11, 32, 7, 21, 23, 7, 21, 23, 24,
474 30, 31, 24, 30, 31, 32, 8, 3, 32, 34,
475 34, 34, 35, 35, 33, 33, 33, 33, 33, 33,
476 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
477 33, 33, 33, 33, 33
478 } ;
479
480 static yy_state_type yy_last_accepting_state;
481 static YY_CHAR *yy_last_accepting_cpos;
482
483 /* the intent behind this definition is that it'll catch
484 * any uses of REJECT which flex missed
485 */
486 #define REJECT reject_used_but_not_detected
487 #define yymore() yymore_used_but_not_detected
488 #define YY_MORE_ADJ 0
489
490 /* these variables are all declared out here so that section 3 code can
491 * manipulate them
492 */
493 /* points to current character in buffer */
494 static YY_CHAR *yy_c_buf_p = (YY_CHAR *) 0;
495 static int yy_init = 1; /* whether we need to initialize */
496 static int yy_start = 0; /* start state number */
497
498 /* flag which is used to allow yywrap()'s to do buffer switches
499 * instead of setting up a fresh yyin. A bit of a hack ...
500 */
501 static int yy_did_buffer_switch_on_eof;
502
503 static yy_state_type yy_get_previous_state YY_PROTO(( void ));
504 static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
505 static int yy_get_next_buffer YY_PROTO(( void ));
506 static void yyunput YY_PROTO(( YY_CHAR c, YY_CHAR *buf_ptr ));
507 void yyrestart YY_PROTO(( FILE *input_file ));
508 void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
509 void yy_load_buffer_state YY_PROTO(( void ));
510 YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
511 void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
512 void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
513
514 #define yy_new_buffer yy_create_buffer
515
516 #ifdef __cplusplus
517 static int yyinput YY_PROTO(( void ));
518 #else
519 static int input YY_PROTO(( void ));
520 #endif
521
522 YY_DECL
523 {
524 register yy_state_type yy_current_state;
525 register YY_CHAR *yy_cp, *yy_bp;
526 register int yy_act;
527
528
529
530
531 if ( yy_init )
532 {
533 YY_USER_INIT;
534
535 if ( ! yy_start )
536 yy_start = 1; /* first start state */
537
538 if ( ! yyin )
539 yyin = stdin;
540
541 if ( ! yyout )
542 yyout = stdout;
543
544 if ( yy_current_buffer )
545 yy_init_buffer( yy_current_buffer, yyin );
546 else
547 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
548
549 yy_load_buffer_state();
550
551 yy_init = 0;
552 }
553
554 #if !defined(__VISAGECPP__)
555 while ( 1 ) /* loops until end-of-file is reached */
556 #else
557 os2var = 1;
558 if (os2var == 0) return 0;
559 while ( os2var == 1 ) /* loops until end-of-file is reached */
560 #endif
561 {
562 yy_cp = yy_c_buf_p;
563
564 /* support of yytext */
565 *yy_cp = yy_hold_char;
566
567 /* yy_bp points to the position in yy_ch_buf of the start of the
568 * current run.
569 */
570 yy_bp = yy_cp;
571
572 yy_current_state = yy_start;
573 yy_match:
574 do
575 {
576 register YY_CHAR yy_c = yy_ec[*yy_cp];
577 if ( yy_accept[yy_current_state] )
578 {
579 yy_last_accepting_state = yy_current_state;
580 yy_last_accepting_cpos = yy_cp;
581 }
582 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
583 {
584 yy_current_state = yy_def[yy_current_state];
585 if ( yy_current_state >= 34 )
586 yy_c = yy_meta[yy_c];
587 }
588 yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
589 ++yy_cp;
590 }
591 while ( yy_current_state != 33 );
592 yy_cp = yy_last_accepting_cpos;
593 yy_current_state = yy_last_accepting_state;
594
595 yy_find_action:
596 yy_act = yy_accept[yy_current_state];
597
598 YY_DO_BEFORE_ACTION;
599 YY_USER_ACTION;
600
601 do_action: /* this label is used only to access EOF actions */
602
603
604 switch ( yy_act )
605 {
606 case 0: /* must backtrack */
607 {
608 /* undo the effects of YY_DO_BEFORE_ACTION */
609 *yy_cp = yy_hold_char;
610 yy_cp = yy_last_accepting_cpos;
611 yy_current_state = yy_last_accepting_state;
612 goto yy_find_action;
613 }
614
615 case 1:
616 {
617 yylval.s = strdup((const char*) yytext);
618 return INTEGER;
619 }
620
621 case 2:
622 {
623 return EXP;
624 }
625
626 case 3:
627 {
628 yylval.s = strdup((const char*) yytext);
629 return WORD;
630 }
631
632 case 4:
633 {
634 int len = strlen((const char*) yytext);
635 yytext[len-1] = 0;
636 yylval.s = strdup((const char*) (yytext+1));
637 return WORD;
638 }
639
640 case 5:
641 {
642 yylval.s = strdup((const char*) yytext);
643 return STRING;
644 }
645
646 case 6:
647 {
648 return OPEN;
649 }
650
651 case 7:
652 {
653 return CLOSE;
654 }
655
656 case 8:
657 {
658 return COMMA;
659 }
660
661 case 9:
662 {
663 return OPEN_SQUARE;
664 }
665
666 case 10:
667 {
668 return CLOSE_SQUARE;
669 }
670
671 case 11:
672 {
673 return EQUALS;
674 }
675
676 case 12:
677 {
678 return PERIOD;
679 }
680
681 case 13:
682 {
683 break;
684 }
685
686 case 14:
687 {
688 break;
689 }
690
691 case 15:
692 {
693 loop:
694 #ifdef __cplusplus
695 while (yyinput() != '*') ;
696 switch (yyinput())
697 #else
698 while (input() != '*') ;
699 switch (input())
700 #endif
701 {
702 case '/':
703 break;
704 case '*':
705 unput('*');
706 default:
707 goto loop;
708 }
709 break;
710 }
711
712 case 16:
713 {
714 return ERROR;
715 }
716
717 case 17:
718 {
719 ECHO;
720 break;
721 }
722
723 case YY_STATE_EOF(INITIAL):
724 {
725 yyterminate();
726 }
727
728 case YY_END_OF_BUFFER:
729 {
730 /* amount of text matched not including the EOB char */
731 int yy_amount_of_matched_text = yy_cp - yytext - 1;
732
733 /* undo the effects of YY_DO_BEFORE_ACTION */
734 *yy_cp = yy_hold_char;
735
736 /* note that here we test for yy_c_buf_p "<=" to the position
737 * of the first EOB in the buffer, since yy_c_buf_p will
738 * already have been incremented past the NUL character
739 * (since all states make transitions on EOB to the end-
740 * of-buffer state). Contrast this with the test in yyinput().
741 */
742 if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
743 /* this was really a NUL */
744 {
745 yy_state_type yy_next_state;
746
747 yy_c_buf_p = yytext + yy_amount_of_matched_text;
748
749 yy_current_state = yy_get_previous_state();
750
751 /* okay, we're now positioned to make the
752 * NUL transition. We couldn't have
753 * yy_get_previous_state() go ahead and do it
754 * for us because it doesn't know how to deal
755 * with the possibility of jamming (and we
756 * don't want to build jamming into it because
757 * then it will run more slowly)
758 */
759
760 yy_next_state = yy_try_NUL_trans( yy_current_state );
761
762 yy_bp = yytext + YY_MORE_ADJ;
763
764 if ( yy_next_state )
765 {
766 /* consume the NUL */
767 yy_cp = ++yy_c_buf_p;
768 yy_current_state = yy_next_state;
769 goto yy_match;
770 }
771 else
772 {
773 yy_cp = yy_last_accepting_cpos;
774 yy_current_state = yy_last_accepting_state;
775 goto yy_find_action;
776 }
777 }
778 else switch ( yy_get_next_buffer() )
779 {
780 case EOB_ACT_END_OF_FILE:
781 {
782 yy_did_buffer_switch_on_eof = 0;
783
784 if ( yywrap() )
785 {
786 /* note: because we've taken care in
787 * yy_get_next_buffer() to have set up yytext,
788 * we can now set up yy_c_buf_p so that if some
789 * total hoser (like flex itself) wants
790 * to call the scanner after we return the
791 * YY_NULL, it'll still work - another YY_NULL
792 * will get returned.
793 */
794 yy_c_buf_p = yytext + YY_MORE_ADJ;
795
796 yy_act = YY_STATE_EOF((yy_start - 1) / 2);
797 goto do_action;
798 }
799 else
800 {
801 if ( ! yy_did_buffer_switch_on_eof )
802 YY_NEW_FILE;
803 }
804 }
805 break;
806
807 case EOB_ACT_CONTINUE_SCAN:
808 yy_c_buf_p = yytext + yy_amount_of_matched_text;
809
810 yy_current_state = yy_get_previous_state();
811
812 yy_cp = yy_c_buf_p;
813 yy_bp = yytext + YY_MORE_ADJ;
814 goto yy_match;
815
816 case EOB_ACT_LAST_MATCH:
817 yy_c_buf_p = &yy_current_buffer->yy_ch_buf[yy_n_chars];
818
819 yy_current_state = yy_get_previous_state();
820
821 yy_cp = yy_c_buf_p;
822 yy_bp = yytext + YY_MORE_ADJ;
823 goto yy_find_action;
824 }
825 }
826 break;
827
828 default:
829 #ifdef FLEX_DEBUG
830 printf( "action # %d\n", yy_act );
831 #endif
832 YY_FATAL_ERROR("fatal flex scanner internal error--no action found" );
833 }
834 }
835
836 #if defined(__VISAGECPP__)
837 /* VA complains about proc maybe not returning a value so return one */
838 return 0;
839 #endif
840 }
841
842
843 /* yy_get_next_buffer - try to read in a new buffer
844 *
845 * synopsis
846 * int yy_get_next_buffer();
847 *
848 * returns a code representing an action
849 * EOB_ACT_LAST_MATCH -
850 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
851 * EOB_ACT_END_OF_FILE - end of file
852 */
853
854 static int yy_get_next_buffer()
855 {
856 register YY_CHAR *dest = yy_current_buffer->yy_ch_buf;
857 register YY_CHAR *source = yytext - 1; /* copy prev. char, too */
858 register int number_to_move, i;
859 int ret_val;
860
861 if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
862 YY_FATAL_ERROR( "fatal flex scanner internal error--end of buffer missed" );
863
864 /* try to read more data */
865
866 /* first move last chars to start of buffer */
867 number_to_move = yy_c_buf_p - yytext;
868
869 for ( i = 0; i < number_to_move; ++i )
870 *(dest++) = *(source++);
871
872 if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN )
873 /* don't do the read, it's not guaranteed to return an EOF,
874 * just force an EOF
875 */
876 yy_n_chars = 0;
877
878 else
879 {
880 int num_to_read = yy_current_buffer->yy_buf_size - number_to_move - 1;
881
882 if ( num_to_read > YY_READ_BUF_SIZE )
883 num_to_read = YY_READ_BUF_SIZE;
884
885 else if ( num_to_read <= 0 )
886 YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" );
887
888 /* read in more data */
889 YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
890 yy_n_chars, num_to_read );
891 }
892
893 if ( yy_n_chars == 0 )
894 {
895 if ( number_to_move == 1 )
896 {
897 ret_val = EOB_ACT_END_OF_FILE;
898 yy_current_buffer->yy_eof_status = EOF_DONE;
899 }
900
901 else
902 {
903 ret_val = EOB_ACT_LAST_MATCH;
904 yy_current_buffer->yy_eof_status = EOF_PENDING;
905 }
906 }
907
908 else
909 ret_val = EOB_ACT_CONTINUE_SCAN;
910
911 yy_n_chars += number_to_move;
912 yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
913 yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
914
915 /* yytext begins at the second character in yy_ch_buf; the first
916 * character is the one which preceded it before reading in the latest
917 * buffer; it needs to be kept around in case it's a newline, so
918 * yy_get_previous_state() will have with '^' rules active
919 */
920
921 yytext = &yy_current_buffer->yy_ch_buf[1];
922
923 return ( ret_val );
924 }
925
926
927 /* yy_get_previous_state - get the state just before the EOB char was reached
928 *
929 * synopsis
930 * yy_state_type yy_get_previous_state();
931 */
932
933 static yy_state_type yy_get_previous_state()
934 {
935 register yy_state_type yy_current_state;
936 register YY_CHAR *yy_cp;
937
938 yy_current_state = yy_start;
939
940 for ( yy_cp = yytext + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
941 {
942 register YY_CHAR yy_c = (*yy_cp ? yy_ec[*yy_cp] : 1);
943 if ( yy_accept[yy_current_state] )
944 {
945 yy_last_accepting_state = yy_current_state;
946 yy_last_accepting_cpos = yy_cp;
947 }
948 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
949 {
950 yy_current_state = yy_def[yy_current_state];
951 if ( yy_current_state >= 34 )
952 yy_c = yy_meta[yy_c];
953 }
954 yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
955 }
956
957 return ( yy_current_state );
958 }
959
960
961 /* yy_try_NUL_trans - try to make a transition on the NUL character
962 *
963 * synopsis
964 * next_state = yy_try_NUL_trans( current_state );
965 */
966
967 #ifdef YY_USE_PROTOS
968 static yy_state_type yy_try_NUL_trans( register yy_state_type yy_current_state )
969 #else
970 static yy_state_type yy_try_NUL_trans( yy_current_state )
971 register yy_state_type yy_current_state;
972 #endif
973 {
974 register int yy_is_jam;
975 register YY_CHAR *yy_cp = yy_c_buf_p;
976
977 register YY_CHAR yy_c = 1;
978 if ( yy_accept[yy_current_state] )
979 {
980 yy_last_accepting_state = yy_current_state;
981 yy_last_accepting_cpos = yy_cp;
982 }
983 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
984 {
985 yy_current_state = yy_def[yy_current_state];
986 if ( yy_current_state >= 34 )
987 yy_c = yy_meta[yy_c];
988 }
989 yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
990 yy_is_jam = (yy_current_state == 33);
991
992 return ( yy_is_jam ? 0 : yy_current_state );
993 }
994
995
996 #ifdef YY_USE_PROTOS
997 static void yyunput( YY_CHAR c, register YY_CHAR *yy_bp )
998 #else
999 static void yyunput( c, yy_bp )
1000 YY_CHAR c;
1001 register YY_CHAR *yy_bp;
1002 #endif
1003 {
1004 register YY_CHAR *yy_cp = yy_c_buf_p;
1005
1006 /* undo effects of setting up yytext */
1007 *yy_cp = yy_hold_char;
1008
1009 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
1010 { /* need to shift things up to make room */
1011 register int number_to_move = yy_n_chars + 2; /* +2 for EOB chars */
1012 register YY_CHAR *dest =
1013 &yy_current_buffer->yy_ch_buf[yy_current_buffer->yy_buf_size + 2];
1014 register YY_CHAR *source =
1015 &yy_current_buffer->yy_ch_buf[number_to_move];
1016
1017 while ( source > yy_current_buffer->yy_ch_buf )
1018 *--dest = *--source;
1019
1020 yy_cp += dest - source;
1021 yy_bp += dest - source;
1022 yy_n_chars = yy_current_buffer->yy_buf_size;
1023
1024 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
1025 YY_FATAL_ERROR( "flex scanner push-back overflow" );
1026 }
1027
1028 if ( yy_cp > yy_bp && yy_cp[-1] == '\n' )
1029 yy_cp[-2] = '\n';
1030
1031 *--yy_cp = c;
1032
1033 /* note: the formal parameter *must* be called "yy_bp" for this
1034 * macro to now work correctly
1035 */
1036 YY_DO_BEFORE_ACTION; /* set up yytext again */
1037 }
1038
1039
1040 #ifdef __cplusplus
1041 static int yyinput()
1042 #else
1043 static int input()
1044 #endif
1045 {
1046 int c;
1047 YY_CHAR *yy_cp = yy_c_buf_p;
1048
1049 *yy_cp = yy_hold_char;
1050
1051 if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
1052 {
1053 /* yy_c_buf_p now points to the character we want to return.
1054 * If this occurs *before* the EOB characters, then it's a
1055 * valid NUL; if not, then we've hit the end of the buffer.
1056 */
1057 if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
1058 { /* this was really a NUL */
1059 *yy_c_buf_p = '\0';
1060 }
1061 else
1062 { /* need more input */
1063 yytext = yy_c_buf_p;
1064 ++yy_c_buf_p;
1065
1066 switch ( yy_get_next_buffer() )
1067 {
1068 case EOB_ACT_END_OF_FILE:
1069 {
1070 if ( yywrap() )
1071 {
1072 yy_c_buf_p = yytext + YY_MORE_ADJ;
1073 return ( EOF );
1074 }
1075 YY_NEW_FILE;
1076
1077 #ifdef __cplusplus
1078 return ( yyinput() );
1079 #else
1080 return ( input() );
1081 #endif
1082 }
1083
1084 case EOB_ACT_CONTINUE_SCAN:
1085 yy_c_buf_p = yytext + YY_MORE_ADJ;
1086 break;
1087
1088 case EOB_ACT_LAST_MATCH:
1089 #ifdef __cplusplus
1090 YY_FATAL_ERROR( "unexpected last match in yyinput()" );
1091 #else
1092 YY_FATAL_ERROR( "unexpected last match in input()" );
1093 #endif
1094 }
1095 }
1096 }
1097
1098 c = *yy_c_buf_p;
1099 yy_hold_char = *++yy_c_buf_p;
1100
1101 return ( c );
1102 }
1103
1104
1105 #ifdef YY_USE_PROTOS
1106 void yyrestart( FILE *input_file )
1107 #else
1108 void yyrestart( input_file )
1109 FILE *input_file;
1110 #endif
1111 {
1112 yy_init_buffer( yy_current_buffer, input_file );
1113 yy_load_buffer_state();
1114 }
1115
1116
1117 #ifdef YY_USE_PROTOS
1118 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1119 #else
1120 void yy_switch_to_buffer( new_buffer )
1121 YY_BUFFER_STATE new_buffer;
1122 #endif
1123 {
1124 if ( yy_current_buffer == new_buffer )
1125 return;
1126
1127 if ( yy_current_buffer )
1128 {
1129 /* flush out information for old buffer */
1130 *yy_c_buf_p = yy_hold_char;
1131 yy_current_buffer->yy_buf_pos = yy_c_buf_p;
1132 yy_current_buffer->yy_n_chars = yy_n_chars;
1133 }
1134
1135 yy_current_buffer = new_buffer;
1136 yy_load_buffer_state();
1137
1138 /* we don't actually know whether we did this switch during
1139 * EOF (yywrap()) processing, but the only time this flag
1140 * is looked at is after yywrap() is called, so it's safe
1141 * to go ahead and always set it.
1142 */
1143 yy_did_buffer_switch_on_eof = 1;
1144 }
1145
1146
1147 #ifdef YY_USE_PROTOS
1148 void yy_load_buffer_state( void )
1149 #else
1150 void yy_load_buffer_state()
1151 #endif
1152 {
1153 yy_n_chars = yy_current_buffer->yy_n_chars;
1154 yytext = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
1155 yyin = yy_current_buffer->yy_input_file;
1156 yy_hold_char = *yy_c_buf_p;
1157 }
1158
1159
1160 #ifdef YY_USE_PROTOS
1161 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
1162 #else
1163 YY_BUFFER_STATE yy_create_buffer( file, size )
1164 FILE *file;
1165 int size;
1166 #endif
1167 {
1168 YY_BUFFER_STATE b;
1169
1170 b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) );
1171
1172 if ( ! b )
1173 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1174
1175 b->yy_buf_size = size;
1176
1177 /* yy_ch_buf has to be 2 characters longer than the size given because
1178 * we need to put in 2 end-of-buffer characters.
1179 */
1180 b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 2) );
1181
1182 if ( ! b->yy_ch_buf )
1183 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1184
1185 yy_init_buffer( b, file );
1186
1187 return ( b );
1188 }
1189
1190
1191 #ifdef YY_USE_PROTOS
1192 void yy_delete_buffer( YY_BUFFER_STATE b )
1193 #else
1194 void yy_delete_buffer( b )
1195 YY_BUFFER_STATE b;
1196 #endif
1197 {
1198 if ( b == yy_current_buffer )
1199 yy_current_buffer = (YY_BUFFER_STATE) 0;
1200
1201 free( (char *) b->yy_ch_buf );
1202 free( (char *) b );
1203 }
1204
1205
1206 #ifdef YY_USE_PROTOS
1207 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
1208 #else
1209 void yy_init_buffer( b, file )
1210 YY_BUFFER_STATE b;
1211 FILE *file;
1212 #endif
1213 {
1214 b->yy_input_file = file;
1215
1216 /* we put in the '\n' and start reading from [1] so that an
1217 * initial match-at-newline will be true.
1218 */
1219
1220 b->yy_ch_buf[0] = '\n';
1221 b->yy_n_chars = 1;
1222
1223 /* we always need two end-of-buffer characters. The first causes
1224 * a transition to the end-of-buffer state. The second causes
1225 * a jam in that state.
1226 */
1227 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1228 b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR;
1229
1230 b->yy_buf_pos = &b->yy_ch_buf[1];
1231
1232 b->yy_eof_status = EOF_NOT_SEEN;
1233 }
1234 /* # line 108 "lexer.l" */
1235
1236
1237
1238 #ifdef FLEX_SCANNER
1239 static int lex_input()
1240 {
1241 return input();
1242 }
1243 #else /* BSD/AT&T lex */
1244 #ifndef input
1245 #error "Sorry, but need either flex or AT&T lex"
1246 #endif
1247 static int lex_input() {
1248 return input();
1249 }
1250
1251 /*
1252 # undef unput
1253 # define unput(_c) my_unput(_c)
1254 */
1255
1256 # undef input
1257 # define input() my_input()
1258 static int my_unput(char c)
1259 {
1260 if (lex_read_from_string)
1261 {
1262 /* Make sure we have something */
1263 if (lex_string_ptr)
1264 {
1265 if (c == '\n') yylineno--;
1266 lex_string_ptr--;
1267 }
1268 }
1269 else
1270 {
1271 yytchar= (c);if(yytchar=='\n')yylineno--;*yysptr++=yytchar;
1272 /* unput(c); Causes infinite recursion! */
1273 }
1274 return c;
1275 }
1276 #endif
1277
1278 /* Public */
1279 void LexFromFile(FILE *fd)
1280 {
1281 lex_read_from_string = 0;
1282 yyin = fd;
1283 /* Don't know why this is necessary, but otherwise
1284 * lex only works _once_!
1285 */
1286 #ifdef FLEX_SCANNER
1287 yy_init = 1;
1288 #endif
1289 }
1290
1291 void LexFromString(char *buffer)
1292 {
1293 lex_read_from_string = 1;
1294 lex_buffer = buffer;
1295 lex_buffer_length = strlen((const char*) buffer);
1296 lex_string_ptr = 0;
1297 /* Don't know why this is necessary, but otherwise
1298 * lex only works _once_!
1299 */
1300 #ifdef FLEX_SCANNER
1301 yy_init = 1;
1302 #endif
1303 }
1304
1305 static int my_input( void )
1306 {
1307 if (lex_read_from_string)
1308 {
1309 if (lex_string_ptr == lex_buffer_length)
1310 {
1311 return 0;
1312 }
1313 else
1314 {
1315 char c = lex_buffer[lex_string_ptr++];
1316 #ifndef FLEX_SCANNER
1317 if (c == '\n') yylineno++;
1318 #endif
1319 return c;
1320 }
1321 }
1322 else
1323 {
1324 return lex_input();
1325 }
1326 }
1327
1328 void wxExprCleanUp()
1329 {
1330 if (yy_current_buffer)
1331 yy_delete_buffer(yy_current_buffer);
1332 }
1333
1334 #ifdef __VISUALC__
1335 #pragma warning(pop)
1336 #endif
wxWidgets (Impactor)