1 | #line 24 "./Tokenizer.l" |
2 | // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
3 | // |
4 | // Licensed under the Apache License, Version 2.0 (the "License"); |
5 | // you may not use this file except in compliance with the License. |
6 | // You may obtain a copy of the License at |
7 | // |
8 | // http://www.apache.org/licenses/LICENSE-2.0 |
9 | // |
10 | // Unless required by applicable law or agreed to in writing, software |
11 | // distributed under the License is distributed on an "AS IS" BASIS, |
12 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | // See the License for the specific language governing permissions and |
14 | // limitations under the License. |
15 | |
16 | // This file is auto-generated by generate_parser.sh. DO NOT EDIT! |
17 | |
18 | |
19 | |
20 | #define YY_INT_ALIGNED short int |
21 | |
22 | /* A lexical scanner generated by flex */ |
23 | |
24 | |
25 | |
26 | |
27 | |
28 | |
29 | |
30 | |
31 | |
32 | |
33 | #define FLEX_SCANNER |
34 | #define YY_FLEX_MAJOR_VERSION 2 |
35 | #define YY_FLEX_MINOR_VERSION 6 |
36 | #define YY_FLEX_SUBMINOR_VERSION 4 |
37 | #if YY_FLEX_SUBMINOR_VERSION > 0 |
38 | #define FLEX_BETA |
39 | #endif |
40 | |
41 | |
42 | |
43 | |
44 | |
45 | |
46 | |
47 | |
48 | |
49 | |
50 | |
51 | |
52 | |
53 | |
54 | #ifdef yy_create_buffer |
55 | #define pp_create_buffer_ALREADY_DEFINED |
56 | #else |
57 | #define yy_create_buffer pp_create_buffer |
58 | #endif |
59 | |
60 | |
61 | #ifdef yy_delete_buffer |
62 | #define pp_delete_buffer_ALREADY_DEFINED |
63 | #else |
64 | #define yy_delete_buffer pp_delete_buffer |
65 | #endif |
66 | |
67 | |
68 | #ifdef yy_scan_buffer |
69 | #define pp_scan_buffer_ALREADY_DEFINED |
70 | #else |
71 | #define yy_scan_buffer pp_scan_buffer |
72 | #endif |
73 | |
74 | |
75 | #ifdef yy_scan_string |
76 | #define pp_scan_string_ALREADY_DEFINED |
77 | #else |
78 | #define yy_scan_string pp_scan_string |
79 | #endif |
80 | |
81 | |
82 | #ifdef yy_scan_bytes |
83 | #define pp_scan_bytes_ALREADY_DEFINED |
84 | #else |
85 | #define yy_scan_bytes pp_scan_bytes |
86 | #endif |
87 | |
88 | |
89 | #ifdef yy_init_buffer |
90 | #define pp_init_buffer_ALREADY_DEFINED |
91 | #else |
92 | #define yy_init_buffer pp_init_buffer |
93 | #endif |
94 | |
95 | |
96 | #ifdef yy_flush_buffer |
97 | #define pp_flush_buffer_ALREADY_DEFINED |
98 | #else |
99 | #define yy_flush_buffer pp_flush_buffer |
100 | #endif |
101 | |
102 | |
103 | #ifdef yy_load_buffer_state |
104 | #define pp_load_buffer_state_ALREADY_DEFINED |
105 | #else |
106 | #define yy_load_buffer_state pp_load_buffer_state |
107 | #endif |
108 | |
109 | |
110 | #ifdef yy_switch_to_buffer |
111 | #define pp_switch_to_buffer_ALREADY_DEFINED |
112 | #else |
113 | #define yy_switch_to_buffer pp_switch_to_buffer |
114 | #endif |
115 | |
116 | |
117 | #ifdef yypush_buffer_state |
118 | #define pppush_buffer_state_ALREADY_DEFINED |
119 | #else |
120 | #define yypush_buffer_state pppush_buffer_state |
121 | #endif |
122 | |
123 | |
124 | #ifdef yypop_buffer_state |
125 | #define pppop_buffer_state_ALREADY_DEFINED |
126 | #else |
127 | #define yypop_buffer_state pppop_buffer_state |
128 | #endif |
129 | |
130 | |
131 | #ifdef yyensure_buffer_stack |
132 | #define ppensure_buffer_stack_ALREADY_DEFINED |
133 | #else |
134 | #define yyensure_buffer_stack ppensure_buffer_stack |
135 | #endif |
136 | |
137 | |
138 | #ifdef yylex |
139 | #define pplex_ALREADY_DEFINED |
140 | #else |
141 | #define yylex pplex |
142 | #endif |
143 | |
144 | |
145 | #ifdef yyrestart |
146 | #define pprestart_ALREADY_DEFINED |
147 | #else |
148 | #define yyrestart pprestart |
149 | #endif |
150 | |
151 | |
152 | #ifdef yylex_init |
153 | #define pplex_init_ALREADY_DEFINED |
154 | #else |
155 | #define yylex_init pplex_init |
156 | #endif |
157 | |
158 | |
159 | #ifdef yylex_init_extra |
160 | #define pplex_init_extra_ALREADY_DEFINED |
161 | #else |
162 | #define |
163 | #endif |
164 | |
165 | |
166 | #ifdef yylex_destroy |
167 | #define pplex_destroy_ALREADY_DEFINED |
168 | #else |
169 | #define yylex_destroy pplex_destroy |
170 | #endif |
171 | |
172 | |
173 | #ifdef yyget_debug |
174 | #define ppget_debug_ALREADY_DEFINED |
175 | #else |
176 | #define yyget_debug ppget_debug |
177 | #endif |
178 | |
179 | |
180 | #ifdef yyset_debug |
181 | #define ppset_debug_ALREADY_DEFINED |
182 | #else |
183 | #define yyset_debug ppset_debug |
184 | #endif |
185 | |
186 | |
187 | #ifdef yyget_extra |
188 | #define ppget_extra_ALREADY_DEFINED |
189 | #else |
190 | #define |
191 | #endif |
192 | |
193 | |
194 | #ifdef yyset_extra |
195 | #define ppset_extra_ALREADY_DEFINED |
196 | #else |
197 | #define |
198 | #endif |
199 | |
200 | |
201 | #ifdef yyget_in |
202 | #define ppget_in_ALREADY_DEFINED |
203 | #else |
204 | #define yyget_in ppget_in |
205 | #endif |
206 | |
207 | |
208 | #ifdef yyset_in |
209 | #define ppset_in_ALREADY_DEFINED |
210 | #else |
211 | #define yyset_in ppset_in |
212 | #endif |
213 | |
214 | |
215 | #ifdef yyget_out |
216 | #define ppget_out_ALREADY_DEFINED |
217 | #else |
218 | #define yyget_out ppget_out |
219 | #endif |
220 | |
221 | |
222 | #ifdef yyset_out |
223 | #define ppset_out_ALREADY_DEFINED |
224 | #else |
225 | #define yyset_out ppset_out |
226 | #endif |
227 | |
228 | |
229 | #ifdef yyget_leng |
230 | #define ppget_leng_ALREADY_DEFINED |
231 | #else |
232 | #define yyget_leng ppget_leng |
233 | #endif |
234 | |
235 | |
236 | #ifdef yyget_text |
237 | #define ppget_text_ALREADY_DEFINED |
238 | #else |
239 | #define yyget_text ppget_text |
240 | #endif |
241 | |
242 | |
243 | #ifdef yyget_lineno |
244 | #define ppget_lineno_ALREADY_DEFINED |
245 | #else |
246 | #define yyget_lineno ppget_lineno |
247 | #endif |
248 | |
249 | |
250 | #ifdef yyset_lineno |
251 | #define ppset_lineno_ALREADY_DEFINED |
252 | #else |
253 | #define yyset_lineno ppset_lineno |
254 | #endif |
255 | |
256 | |
257 | |
258 | #ifdef yyget_column |
259 | #define ppget_column_ALREADY_DEFINED |
260 | #else |
261 | #define yyget_column ppget_column |
262 | #endif |
263 | |
264 | |
265 | #ifdef yyset_column |
266 | #define ppset_column_ALREADY_DEFINED |
267 | #else |
268 | #define yyset_column ppset_column |
269 | #endif |
270 | |
271 | |
272 | |
273 | #ifdef yywrap |
274 | #define ppwrap_ALREADY_DEFINED |
275 | #else |
276 | #define yywrap ppwrap |
277 | #endif |
278 | |
279 | |
280 | |
281 | |
282 | |
283 | #ifdef yyget_lval |
284 | #define ppget_lval_ALREADY_DEFINED |
285 | #else |
286 | #define yyget_lval ppget_lval |
287 | #endif |
288 | |
289 | |
290 | #ifdef yyset_lval |
291 | #define ppset_lval_ALREADY_DEFINED |
292 | #else |
293 | #define yyset_lval ppset_lval |
294 | #endif |
295 | |
296 | |
297 | |
298 | |
299 | |
300 | #ifdef yyget_lloc |
301 | #define ppget_lloc_ALREADY_DEFINED |
302 | #else |
303 | #define yyget_lloc ppget_lloc |
304 | #endif |
305 | |
306 | |
307 | #ifdef yyset_lloc |
308 | #define ppset_lloc_ALREADY_DEFINED |
309 | #else |
310 | #define yyset_lloc ppset_lloc |
311 | #endif |
312 | |
313 | |
314 | |
315 | |
316 | #ifdef yyalloc |
317 | #define ppalloc_ALREADY_DEFINED |
318 | #else |
319 | #define yyalloc ppalloc |
320 | #endif |
321 | |
322 | |
323 | #ifdef yyrealloc |
324 | #define pprealloc_ALREADY_DEFINED |
325 | #else |
326 | #define yyrealloc pprealloc |
327 | #endif |
328 | |
329 | |
330 | #ifdef yyfree |
331 | #define ppfree_ALREADY_DEFINED |
332 | #else |
333 | #define yyfree ppfree |
334 | #endif |
335 | |
336 | |
337 | |
338 | |
339 | |
340 | |
341 | |
342 | |
343 | |
344 | /* First, we deal with platform-specific or compiler-specific issues. */ |
345 | |
346 | /* begin standard C headers. */ |
347 | #include <stdio.h> |
348 | #include <string.h> |
349 | #include <errno.h> |
350 | #include <stdlib.h> |
351 | |
352 | /* end standard C headers. */ |
353 | |
354 | /* flex integer type definitions */ |
355 | |
356 | #ifndef FLEXINT_H |
357 | #define FLEXINT_H |
358 | |
359 | /* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ |
360 | |
361 | #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L |
362 | |
363 | /* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, |
364 | * if you want the limit (max/min) macros for int types. |
365 | */ |
366 | #ifndef __STDC_LIMIT_MACROS |
367 | #define __STDC_LIMIT_MACROS 1 |
368 | #endif |
369 | |
370 | #include <inttypes.h> |
371 | typedef int8_t flex_int8_t; |
372 | typedef uint8_t flex_uint8_t; |
373 | typedef int16_t flex_int16_t; |
374 | typedef uint16_t flex_uint16_t; |
375 | typedef int32_t flex_int32_t; |
376 | typedef uint32_t flex_uint32_t; |
377 | #else |
378 | typedef signed char flex_int8_t; |
379 | typedef short int flex_int16_t; |
380 | typedef int flex_int32_t; |
381 | typedef unsigned char flex_uint8_t; |
382 | typedef unsigned short int flex_uint16_t; |
383 | typedef unsigned int flex_uint32_t; |
384 | |
385 | /* Limits of integral types. */ |
386 | #ifndef INT8_MIN |
387 | #define INT8_MIN (-128) |
388 | #endif |
389 | #ifndef INT16_MIN |
390 | #define INT16_MIN (-32767-1) |
391 | #endif |
392 | #ifndef INT32_MIN |
393 | #define INT32_MIN (-2147483647-1) |
394 | #endif |
395 | #ifndef INT8_MAX |
396 | #define INT8_MAX (127) |
397 | #endif |
398 | #ifndef INT16_MAX |
399 | #define INT16_MAX (32767) |
400 | #endif |
401 | #ifndef INT32_MAX |
402 | #define INT32_MAX (2147483647) |
403 | #endif |
404 | #ifndef UINT8_MAX |
405 | #define UINT8_MAX (255U) |
406 | #endif |
407 | #ifndef UINT16_MAX |
408 | #define UINT16_MAX (65535U) |
409 | #endif |
410 | #ifndef UINT32_MAX |
411 | #define UINT32_MAX (4294967295U) |
412 | #endif |
413 | |
414 | #ifndef SIZE_MAX |
415 | #define SIZE_MAX (~(size_t)0) |
416 | #endif |
417 | |
418 | #endif /* ! C99 */ |
419 | |
420 | #endif /* ! FLEXINT_H */ |
421 | |
422 | |
423 | /* begin standard C++ headers. */ |
424 | |
425 | /* TODO: this is always defined, so inline it */ |
426 | #define yyconst const |
427 | |
428 | #if defined(__GNUC__) && __GNUC__ >= 3 |
429 | #define yynoreturn __attribute__((__noreturn__)) |
430 | #else |
431 | #define yynoreturn |
432 | #endif |
433 | |
434 | /* Returned upon end-of-file. */ |
435 | #define YY_NULL 0 |
436 | |
437 | |
438 | /* Promotes a possibly negative, possibly signed char to an |
439 | * integer in range [0..255] for use as an array index. |
440 | */ |
441 | #define YY_SC_TO_UI(c) ((YY_CHAR) (c)) |
442 | |
443 | |
444 | |
445 | |
446 | |
447 | /* An opaque pointer. */ |
448 | #ifndef YY_TYPEDEF_YY_SCANNER_T |
449 | #define YY_TYPEDEF_YY_SCANNER_T |
450 | typedef void* yyscan_t; |
451 | #endif |
452 | |
453 | |
454 | |
455 | |
456 | |
457 | |
458 | |
459 | |
460 | |
461 | |
462 | |
463 | |
464 | |
465 | |
466 | |
467 | |
468 | |
469 | /* For convenience, these vars (plus the bison vars far below) |
470 | are macros in the reentrant scanner. */ |
471 | #define yyin yyg->yyin_r |
472 | #define yyout yyg->yyout_r |
473 | #define yyg->yyextra_r |
474 | #define yyleng yyg->yyleng_r |
475 | #define yytext yyg->yytext_r |
476 | #define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno) |
477 | #define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column) |
478 | #define yy_flex_debug yyg->yy_flex_debug_r |
479 | |
480 | |
481 | |
482 | |
483 | |
484 | |
485 | |
486 | |
487 | |
488 | |
489 | |
490 | |
491 | |
492 | /* Enter a start condition. This macro really ought to take a parameter, |
493 | * but we do it the disgusting crufty way forced on us by the ()-less |
494 | * definition of BEGIN. |
495 | */ |
496 | #define BEGIN yyg->yy_start = 1 + 2 * |
497 | /* Translate the current start state into a value that can be later handed |
498 | * to BEGIN to return to the state. The YYSTATE alias is for lex |
499 | * compatibility. |
500 | */ |
501 | #define YY_START ((yyg->yy_start - 1) / 2) |
502 | #define YYSTATE YY_START |
503 | /* Action number for EOF rule of a given start state. */ |
504 | #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) |
505 | /* Special action meaning "start processing a new file". */ |
506 | #define YY_NEW_FILE yyrestart( yyin , yyscanner ) |
507 | #define YY_END_OF_BUFFER_CHAR 0 |
508 | |
509 | |
510 | /* Size of default input buffer. */ |
511 | #ifndef YY_BUF_SIZE |
512 | #ifdef __ia64__ |
513 | /* On IA-64, the buffer size is 16k, not 8k. |
514 | * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. |
515 | * Ditto for the __ia64__ case accordingly. |
516 | */ |
517 | #define YY_BUF_SIZE 32768 |
518 | #else |
519 | #define YY_BUF_SIZE 16384 |
520 | #endif /* __ia64__ */ |
521 | #endif |
522 | |
523 | |
524 | /* The state buf must be large enough to hold one state per character in the main buffer. |
525 | */ |
526 | #define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) |
527 | |
528 | |
529 | |
530 | #ifndef YY_TYPEDEF_YY_BUFFER_STATE |
531 | #define YY_TYPEDEF_YY_BUFFER_STATE |
532 | typedef struct yy_buffer_state *YY_BUFFER_STATE; |
533 | #endif |
534 | |
535 | #ifndef YY_TYPEDEF_YY_SIZE_T |
536 | #define YY_TYPEDEF_YY_SIZE_T |
537 | typedef size_t yy_size_t; |
538 | #endif |
539 | |
540 | |
541 | |
542 | |
543 | #define EOB_ACT_CONTINUE_SCAN 0 |
544 | #define EOB_ACT_END_OF_FILE 1 |
545 | #define EOB_ACT_LAST_MATCH 2 |
546 | |
547 | #define YY_LESS_LINENO(n) |
548 | #define YY_LINENO_REWIND_TO(ptr) |
549 | |
550 | /* Return all but the first "n" matched characters back to the input stream. */ |
551 | #define yyless(n) \ |
552 | do \ |
553 | { \ |
554 | /* Undo effects of setting up yytext. */ \ |
555 | int yyless_macro_arg = (n); \ |
556 | YY_LESS_LINENO(yyless_macro_arg);\ |
557 | *yy_cp = yyg->yy_hold_char; \ |
558 | YY_RESTORE_YY_MORE_OFFSET \ |
559 | yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ |
560 | YY_DO_BEFORE_ACTION; /* set up yytext again */ \ |
561 | } \ |
562 | while ( 0 ) |
563 | #define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner ) |
564 | |
565 | |
566 | #ifndef YY_STRUCT_YY_BUFFER_STATE |
567 | #define YY_STRUCT_YY_BUFFER_STATE |
568 | struct yy_buffer_state |
569 | { |
570 | FILE *yy_input_file; |
571 | |
572 | |
573 | |
574 | char *yy_ch_buf; /* input buffer */ |
575 | char *yy_buf_pos; /* current position in input buffer */ |
576 | |
577 | /* Size of input buffer in bytes, not including room for EOB |
578 | * characters. |
579 | */ |
580 | int yy_buf_size; |
581 | |
582 | /* Number of characters read into yy_ch_buf, not including EOB |
583 | * characters. |
584 | */ |
585 | int yy_n_chars; |
586 | |
587 | /* Whether we "own" the buffer - i.e., we know we created it, |
588 | * and can realloc() it to grow it, and should free() it to |
589 | * delete it. |
590 | */ |
591 | int yy_is_our_buffer; |
592 | |
593 | /* Whether this is an "interactive" input source; if so, and |
594 | * if we're using stdio for input, then we want to use getc() |
595 | * instead of fread(), to make sure we stop fetching input after |
596 | * each newline. |
597 | */ |
598 | int yy_is_interactive; |
599 | |
600 | /* Whether we're considered to be at the beginning of a line. |
601 | * If so, '^' rules will be active on the next match, otherwise |
602 | * not. |
603 | */ |
604 | int yy_at_bol; |
605 | |
606 | int yy_bs_lineno; /**< The line count. */ |
607 | int yy_bs_column; /**< The column count. */ |
608 | |
609 | |
610 | /* Whether to try to fill the input buffer when we reach the |
611 | * end of it. |
612 | */ |
613 | int yy_fill_buffer; |
614 | |
615 | int yy_buffer_status; |
616 | |
617 | #define YY_BUFFER_NEW 0 |
618 | #define YY_BUFFER_NORMAL 1 |
619 | /* When an EOF's been seen but there's still some text to process |
620 | * then we mark the buffer as YY_EOF_PENDING, to indicate that we |
621 | * shouldn't try reading from the input source any more. We might |
622 | * still have a bunch of tokens to match, though, because of |
623 | * possible backing-up. |
624 | * |
625 | * When we actually see the EOF, we change the status to "new" |
626 | * (via yyrestart()), so that the user can continue scanning by |
627 | * just pointing yyin at a new input file. |
628 | */ |
629 | #define YY_BUFFER_EOF_PENDING 2 |
630 | |
631 | }; |
632 | #endif /* !YY_STRUCT_YY_BUFFER_STATE */ |
633 | |
634 | |
635 | |
636 | |
637 | /* We provide macros for accessing buffer states in case in the |
638 | * future we want to put the buffer states in a more general |
639 | * "scanner state". |
640 | * |
641 | * Returns the top of the stack, or NULL. |
642 | */ |
643 | #define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \ |
644 | ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \ |
645 | : NULL) |
646 | /* Same as previous macro, but useful when we know that the buffer stack is not |
647 | * NULL or when we need an lvalue. For internal use only. |
648 | */ |
649 | #define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] |
650 | |
651 | |
652 | |
653 | |
654 | |
655 | void yyrestart ( FILE *input_file , yyscan_t yyscanner ); |
656 | void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner ); |
657 | YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size , yyscan_t yyscanner ); |
658 | void yy_delete_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner ); |
659 | void yy_flush_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner ); |
660 | void yypush_buffer_state ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner ); |
661 | void yypop_buffer_state ( yyscan_t yyscanner ); |
662 | |
663 | |
664 | static void yyensure_buffer_stack ( yyscan_t yyscanner ); |
665 | static void yy_load_buffer_state ( yyscan_t yyscanner ); |
666 | static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file , yyscan_t yyscanner ); |
667 | #define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER , yyscanner) |
668 | |
669 | |
670 | YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size , yyscan_t yyscanner ); |
671 | YY_BUFFER_STATE yy_scan_string ( const char *yy_str , yyscan_t yyscanner ); |
672 | YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len , yyscan_t yyscanner ); |
673 | |
674 | |
675 | void *yyalloc ( yy_size_t , yyscan_t yyscanner ); |
676 | void *yyrealloc ( void *, yy_size_t , yyscan_t yyscanner ); |
677 | void yyfree ( void * , yyscan_t yyscanner ); |
678 | |
679 | |
680 | #define yy_new_buffer yy_create_buffer |
681 | #define yy_set_interactive(is_interactive) \ |
682 | { \ |
683 | if ( ! YY_CURRENT_BUFFER ){ \ |
684 | yyensure_buffer_stack (yyscanner); \ |
685 | YY_CURRENT_BUFFER_LVALUE = \ |
686 | yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner); \ |
687 | } \ |
688 | YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ |
689 | } |
690 | #define yy_set_bol(at_bol) \ |
691 | { \ |
692 | if ( ! YY_CURRENT_BUFFER ){\ |
693 | yyensure_buffer_stack (yyscanner); \ |
694 | YY_CURRENT_BUFFER_LVALUE = \ |
695 | yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner); \ |
696 | } \ |
697 | YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ |
698 | } |
699 | #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) |
700 | |
701 | |
702 | /* Begin user sect3 */ |
703 | |
704 | #define ppwrap(yyscanner) (/*CONSTCOND*/1) |
705 | #define YY_SKIP_YYWRAP |
706 | typedef flex_uint8_t YY_CHAR; |
707 | |
708 | |
709 | typedef int yy_state_type; |
710 | |
711 | #define yytext_ptr yytext_r |
712 | |
713 | |
714 | |
715 | |
716 | |
717 | |
718 | static yy_state_type yy_get_previous_state ( yyscan_t yyscanner ); |
719 | static yy_state_type yy_try_NUL_trans ( yy_state_type current_state , yyscan_t yyscanner); |
720 | static int yy_get_next_buffer ( yyscan_t yyscanner ); |
721 | static void yynoreturn yy_fatal_error ( const char* msg , yyscan_t yyscanner ); |
722 | |
723 | |
724 | |
725 | |
726 | /* Done after the current pattern has been matched and before the |
727 | * corresponding action - sets up yytext. |
728 | */ |
729 | #define YY_DO_BEFORE_ACTION \ |
730 | yyg->yytext_ptr = yy_bp; \ |
731 | yyleng = (int) (yy_cp - yy_bp); \ |
732 | yyg->yy_hold_char = *yy_cp; \ |
733 | *yy_cp = '\0'; \ |
734 | yyg->yy_c_buf_p = yy_cp; |
735 | #define YY_NUM_RULES 37 |
736 | #define YY_END_OF_BUFFER 38 |
737 | /* This struct is not used in this scanner, |
738 | but its presence is necessary. */ |
739 | struct yy_trans_info |
740 | { |
741 | flex_int32_t yy_verify; |
742 | flex_int32_t yy_nxt; |
743 | }; |
744 | static const flex_int16_t yy_accept[95] = |
745 | { 0, |
746 | 0, 0, 0, 0, 38, 36, 34, 35, 35, 33, |
747 | 7, 33, 33, 33, 33, 33, 33, 33, 33, 9, |
748 | 9, 33, 33, 33, 8, 33, 33, 3, 5, 5, |
749 | 4, 34, 35, 19, 27, 20, 30, 25, 12, 23, |
750 | 13, 24, 10, 2, 1, 26, 10, 9, 11, 11, |
751 | 11, 9, 11, 9, 9, 14, 16, 18, 17, 15, |
752 | 8, 31, 21, 32, 22, 3, 5, 6, 11, 10, |
753 | 11, 10, 1, 10, 11, 10, 0, 10, 9, 9, |
754 | 9, 28, 29, 0, 10, 10, 10, 10, 9, 10, |
755 | 10, 9, 10, 0 |
756 | |
757 | } ; |
758 | |
759 | static const YY_CHAR yy_ec[256] = |
760 | { 0, |
761 | 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, |
762 | 2, 2, 4, 1, 1, 1, 1, 1, 1, 1, |
763 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
764 | 1, 2, 5, 1, 6, 1, 7, 8, 1, 9, |
765 | 9, 10, 11, 9, 12, 13, 14, 15, 16, 16, |
766 | 16, 16, 16, 16, 16, 17, 17, 9, 9, 18, |
767 | 19, 20, 9, 1, 21, 21, 21, 21, 22, 23, |
768 | 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, |
769 | 24, 24, 24, 24, 25, 24, 24, 26, 24, 24, |
770 | 9, 1, 9, 27, 24, 1, 21, 21, 21, 21, |
771 | |
772 | 22, 23, 24, 24, 24, 24, 24, 24, 24, 24, |
773 | 24, 24, 24, 24, 24, 24, 25, 24, 24, 26, |
774 | 24, 24, 9, 28, 9, 9, 1, 1, 1, 1, |
775 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
776 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
777 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
778 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
779 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
780 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
781 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
782 | |
783 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
784 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
785 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
786 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
787 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
788 | 1, 1, 1, 1, 1 |
789 | } ; |
790 | |
791 | static const YY_CHAR yy_meta[29] = |
792 | { 0, |
793 | 1, 1, 2, 2, 1, 1, 1, 1, 1, 3, |
794 | 1, 1, 4, 1, 5, 5, 5, 1, 1, 1, |
795 | 5, 5, 5, 5, 5, 5, 1, 1 |
796 | } ; |
797 | |
798 | static const flex_int16_t yy_base[100] = |
799 | { 0, |
800 | 0, 0, 26, 28, 133, 195, 130, 195, 128, 105, |
801 | 195, 104, 25, 195, 100, 23, 27, 32, 31, 38, |
802 | 50, 38, 93, 49, 0, 16, 51, 0, 195, 105, |
803 | 87, 93, 195, 195, 195, 195, 195, 195, 195, 195, |
804 | 195, 195, 67, 195, 0, 195, 81, 55, 84, 98, |
805 | 110, 53, 61, 0, 52, 39, 195, 195, 195, 33, |
806 | 0, 195, 195, 195, 195, 0, 195, 195, 113, 0, |
807 | 126, 0, 0, 0, 133, 0, 56, 128, 0, 133, |
808 | 0, 195, 195, 101, 141, 143, 145, 0, 15, 154, |
809 | 195, 0, 195, 195, 177, 32, 182, 187, 189 |
810 | |
811 | } ; |
812 | |
813 | static const flex_int16_t yy_def[100] = |
814 | { 0, |
815 | 94, 1, 95, 95, 94, 94, 94, 94, 94, 94, |
816 | 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, |
817 | 20, 94, 94, 94, 96, 94, 94, 97, 94, 94, |
818 | 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, |
819 | 94, 94, 94, 94, 98, 94, 94, 20, 20, 49, |
820 | 50, 50, 99, 21, 50, 94, 94, 94, 94, 94, |
821 | 96, 94, 94, 94, 94, 97, 94, 94, 43, 43, |
822 | 69, 69, 98, 47, 50, 50, 94, 51, 50, 99, |
823 | 50, 94, 94, 94, 71, 75, 94, 50, 50, 94, |
824 | 94, 50, 94, 0, 94, 94, 94, 94, 94 |
825 | |
826 | } ; |
827 | |
828 | static const flex_int16_t yy_nxt[224] = |
829 | { 0, |
830 | 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
831 | 16, 17, 18, 19, 20, 21, 21, 22, 23, 24, |
832 | 25, 25, 25, 25, 25, 25, 26, 27, 29, 30, |
833 | 29, 30, 36, 39, 62, 31, 61, 31, 41, 92, |
834 | 44, 40, 63, 37, 45, 42, 43, 43, 43, 46, |
835 | 47, 83, 48, 48, 49, 56, 57, 82, 50, 51, |
836 | 50, 50, 52, 53, 54, 54, 54, 59, 60, 64, |
837 | 87, 87, 87, 50, 55, 50, 81, 79, 65, 69, |
838 | 50, 70, 70, 70, 50, 50, 50, 69, 71, 72, |
839 | 69, 69, 69, 50, 32, 74, 74, 74, 49, 49, |
840 | |
841 | 68, 50, 75, 76, 50, 50, 50, 67, 50, 50, |
842 | 50, 58, 50, 50, 50, 90, 90, 90, 38, 50, |
843 | 77, 77, 35, 34, 78, 78, 78, 69, 69, 69, |
844 | 33, 32, 94, 94, 69, 69, 84, 84, 94, 94, |
845 | 85, 85, 85, 84, 84, 50, 94, 86, 86, 86, |
846 | 88, 94, 94, 94, 94, 94, 50, 89, 50, 87, |
847 | 87, 87, 94, 72, 94, 76, 94, 91, 90, 90, |
848 | 90, 94, 94, 94, 94, 94, 93, 28, 28, 28, |
849 | 28, 28, 66, 94, 94, 66, 66, 73, 94, 73, |
850 | 73, 73, 80, 80, 5, 94, 94, 94, 94, 94, |
851 | |
852 | 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, |
853 | 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, |
854 | 94, 94, 94 |
855 | } ; |
856 | |
857 | static const flex_int16_t yy_chk[224] = |
858 | { 0, |
859 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
860 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
861 | 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, |
862 | 4, 4, 13, 16, 26, 3, 96, 4, 17, 89, |
863 | 19, 16, 26, 13, 19, 17, 18, 18, 18, 19, |
864 | 20, 60, 20, 20, 20, 22, 22, 56, 20, 20, |
865 | 20, 20, 20, 20, 21, 21, 21, 24, 24, 27, |
866 | 77, 77, 77, 53, 21, 21, 55, 52, 27, 43, |
867 | 48, 43, 43, 43, 53, 53, 53, 43, 43, 43, |
868 | 43, 43, 43, 47, 32, 47, 47, 47, 49, 49, |
869 | |
870 | 31, 47, 47, 47, 47, 47, 47, 30, 49, 49, |
871 | 50, 23, 50, 50, 50, 84, 84, 84, 15, 50, |
872 | 51, 51, 12, 10, 51, 51, 51, 69, 69, 69, |
873 | 9, 7, 5, 0, 69, 69, 71, 71, 78, 78, |
874 | 71, 71, 71, 75, 75, 80, 0, 75, 75, 75, |
875 | 78, 85, 85, 86, 86, 0, 80, 80, 80, 87, |
876 | 87, 87, 0, 85, 0, 86, 0, 87, 90, 90, |
877 | 90, 0, 0, 0, 0, 0, 90, 95, 95, 95, |
878 | 95, 95, 97, 0, 0, 97, 97, 98, 0, 98, |
879 | 98, 98, 99, 99, 94, 94, 94, 94, 94, 94, |
880 | |
881 | 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, |
882 | 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, |
883 | 94, 94, 94 |
884 | } ; |
885 | |
886 | /* The intent behind this definition is that it'll catch |
887 | * any uses of REJECT which flex missed. |
888 | */ |
889 | #define REJECT reject_used_but_not_detected |
890 | #define yymore() yymore_used_but_not_detected |
891 | #define YY_MORE_ADJ 0 |
892 | #define YY_RESTORE_YY_MORE_OFFSET |
893 | /* |
894 | // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
895 | // |
896 | // Licensed under the Apache License, Version 2.0 (the "License"); |
897 | // you may not use this file except in compliance with the License. |
898 | // You may obtain a copy of the License at |
899 | // |
900 | // http://www.apache.org/licenses/LICENSE-2.0 |
901 | // |
902 | // Unless required by applicable law or agreed to in writing, software |
903 | // distributed under the License is distributed on an "AS IS" BASIS, |
904 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
905 | // See the License for the specific language governing permissions and |
906 | // limitations under the License. |
907 | |
908 | This file contains the Lex specification for GLSL ES preprocessor. |
909 | Based on Microsoft Visual Studio 2010 Preprocessor Grammar: |
910 | http://msdn.microsoft.com/en-us/library/2scxys89.aspx |
911 | |
912 | IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN generate_parser.sh. |
913 | */ |
914 | |
915 | #if defined(_MSC_VER) |
916 | #pragma warning(disable: 4005) |
917 | #endif |
918 | |
919 | #include "Tokenizer.h" |
920 | |
921 | #include "DiagnosticsBase.h" |
922 | #include "Token.h" |
923 | |
924 | #if defined(__GNUC__) |
925 | // Triggered by the auto-generated yy_fatal_error function. |
926 | #pragma GCC diagnostic ignored "-Wmissing-noreturn" |
927 | #elif defined(_MSC_VER) |
928 | #pragma warning(disable: 4244) |
929 | #endif |
930 | |
931 | // Workaround for flex using the register keyword, deprecated in C++11. |
932 | #ifdef __cplusplus |
933 | #if __cplusplus > 199711L |
934 | #define register |
935 | #endif |
936 | #endif |
937 | |
938 | typedef std::string YYSTYPE; |
939 | typedef pp::SourceLocation YYLTYPE; |
940 | |
941 | // Use the unused yycolumn variable to track file (string) number. |
942 | #define yyfileno yycolumn |
943 | |
944 | #define YY_USER_INIT \ |
945 | do { \ |
946 | yyfileno = 0; \ |
947 | yylineno = 1; \ |
948 | yyextra->leadingSpace = false; \ |
949 | yyextra->lineStart = true; \ |
950 | } while(0); |
951 | |
952 | #define YY_USER_ACTION \ |
953 | do \ |
954 | { \ |
955 | pp::Input* input = &yyextra->input; \ |
956 | pp::Input::Location* scanLoc = &yyextra->scanLoc; \ |
957 | while ((scanLoc->sIndex < input->count()) && \ |
958 | (scanLoc->cIndex >= input->length(scanLoc->sIndex))) \ |
959 | { \ |
960 | scanLoc->cIndex -= input->length(scanLoc->sIndex++); \ |
961 | ++yyfileno; yylineno = 1; \ |
962 | } \ |
963 | yylloc->file = yyfileno; \ |
964 | yylloc->line = yylineno; \ |
965 | scanLoc->cIndex += yyleng; \ |
966 | } while(0); |
967 | |
968 | #define YY_INPUT(buf, result, maxSize) \ |
969 | result = yyextra->input.read(buf, maxSize, &yylineno); |
970 | |
971 | |
972 | |
973 | |
974 | |
975 | #define INITIAL 0 |
976 | #define 1 |
977 | |
978 | |
979 | |
980 | |
981 | |
982 | |
983 | #define pp::Tokenizer::Context* |
984 | |
985 | |
986 | |
987 | |
988 | /* Holds the entire state of the reentrant scanner. */ |
989 | struct yyguts_t |
990 | { |
991 | |
992 | /* User-defined. Not touched by flex. */ |
993 | YY_EXTRA_TYPE ; |
994 | |
995 | /* The rest are the same as the globals declared in the non-reentrant scanner. */ |
996 | FILE *yyin_r, *yyout_r; |
997 | size_t yy_buffer_stack_top; /**< index of top of stack. */ |
998 | size_t yy_buffer_stack_max; /**< capacity of stack. */ |
999 | YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ |
1000 | char yy_hold_char; |
1001 | int yy_n_chars; |
1002 | int yyleng_r; |
1003 | char *yy_c_buf_p; |
1004 | int yy_init; |
1005 | int yy_start; |
1006 | int yy_did_buffer_switch_on_eof; |
1007 | int yy_start_stack_ptr; |
1008 | int yy_start_stack_depth; |
1009 | int *yy_start_stack; |
1010 | yy_state_type yy_last_accepting_state; |
1011 | char* yy_last_accepting_cpos; |
1012 | |
1013 | int yylineno_r; |
1014 | int yy_flex_debug_r; |
1015 | |
1016 | |
1017 | |
1018 | |
1019 | char *yytext_r; |
1020 | int yy_more_flag; |
1021 | int yy_more_len; |
1022 | |
1023 | |
1024 | |
1025 | YYSTYPE * yylval_r; |
1026 | |
1027 | |
1028 | |
1029 | YYLTYPE * yylloc_r; |
1030 | |
1031 | |
1032 | }; /* end struct yyguts_t */ |
1033 | |
1034 | |
1035 | |
1036 | |
1037 | static int yy_init_globals ( yyscan_t yyscanner ); |
1038 | |
1039 | |
1040 | |
1041 | |
1042 | |
1043 | /* This must go here because YYSTYPE and YYLTYPE are included |
1044 | * from bison output in section 1.*/ |
1045 | # define yylval yyg->yylval_r |
1046 | |
1047 | |
1048 | |
1049 | # define yylloc yyg->yylloc_r |
1050 | |
1051 | |
1052 | |
1053 | int yylex_init (yyscan_t* scanner); |
1054 | |
1055 | int yylex_init_extra ( YY_EXTRA_TYPE user_defined, yyscan_t* scanner); |
1056 | |
1057 | |
1058 | |
1059 | /* Accessor methods to globals. |
1060 | These are made visible to non-reentrant scanners for convenience. */ |
1061 | |
1062 | |
1063 | int yylex_destroy ( yyscan_t yyscanner ); |
1064 | |
1065 | |
1066 | |
1067 | int yyget_debug ( yyscan_t yyscanner ); |
1068 | |
1069 | |
1070 | |
1071 | void yyset_debug ( int debug_flag , yyscan_t yyscanner ); |
1072 | |
1073 | |
1074 | |
1075 | YY_EXTRA_TYPE yyget_extra ( yyscan_t yyscanner ); |
1076 | |
1077 | |
1078 | |
1079 | void yyset_extra ( YY_EXTRA_TYPE user_defined , yyscan_t yyscanner ); |
1080 | |
1081 | |
1082 | |
1083 | FILE *yyget_in ( yyscan_t yyscanner ); |
1084 | |
1085 | |
1086 | |
1087 | void yyset_in ( FILE * _in_str , yyscan_t yyscanner ); |
1088 | |
1089 | |
1090 | |
1091 | FILE *yyget_out ( yyscan_t yyscanner ); |
1092 | |
1093 | |
1094 | |
1095 | void yyset_out ( FILE * _out_str , yyscan_t yyscanner ); |
1096 | |
1097 | |
1098 | |
1099 | int yyget_leng ( yyscan_t yyscanner ); |
1100 | |
1101 | |
1102 | |
1103 | char *yyget_text ( yyscan_t yyscanner ); |
1104 | |
1105 | |
1106 | |
1107 | int yyget_lineno ( yyscan_t yyscanner ); |
1108 | |
1109 | |
1110 | |
1111 | void yyset_lineno ( int _line_number , yyscan_t yyscanner ); |
1112 | |
1113 | |
1114 | |
1115 | |
1116 | int yyget_column ( yyscan_t yyscanner ); |
1117 | |
1118 | |
1119 | |
1120 | |
1121 | |
1122 | void yyset_column ( int _column_no , yyscan_t yyscanner ); |
1123 | |
1124 | |
1125 | |
1126 | |
1127 | YYSTYPE * yyget_lval ( yyscan_t yyscanner ); |
1128 | |
1129 | |
1130 | void yyset_lval ( YYSTYPE * yylval_param , yyscan_t yyscanner ); |
1131 | |
1132 | |
1133 | |
1134 | YYLTYPE *yyget_lloc ( yyscan_t yyscanner ); |
1135 | |
1136 | |
1137 | |
1138 | void yyset_lloc ( YYLTYPE * yylloc_param , yyscan_t yyscanner ); |
1139 | |
1140 | |
1141 | |
1142 | /* Macros after this point can all be overridden by user definitions in |
1143 | * section 1. |
1144 | */ |
1145 | |
1146 | #ifndef YY_SKIP_YYWRAP |
1147 | #ifdef __cplusplus |
1148 | extern "C" int yywrap ( yyscan_t yyscanner ); |
1149 | #else |
1150 | extern int yywrap ( yyscan_t yyscanner ); |
1151 | #endif |
1152 | #endif |
1153 | |
1154 | #ifndef YY_NO_UNPUT |
1155 | |
1156 | #endif |
1157 | |
1158 | |
1159 | #ifndef yytext_ptr |
1160 | static void yy_flex_strncpy ( char *, const char *, int , yyscan_t yyscanner); |
1161 | #endif |
1162 | |
1163 | #ifdef YY_NEED_STRLEN |
1164 | static int yy_flex_strlen ( const char * , yyscan_t yyscanner); |
1165 | #endif |
1166 | |
1167 | #ifndef YY_NO_INPUT |
1168 | #ifdef __cplusplus |
1169 | static int yyinput ( yyscan_t yyscanner ); |
1170 | #else |
1171 | static int input ( yyscan_t yyscanner ); |
1172 | #endif |
1173 | |
1174 | #endif |
1175 | |
1176 | |
1177 | |
1178 | |
1179 | |
1180 | |
1181 | |
1182 | |
1183 | /* Amount of stuff to slurp up with each read. */ |
1184 | #ifndef YY_READ_BUF_SIZE |
1185 | #ifdef __ia64__ |
1186 | /* On IA-64, the buffer size is 16k, not 8k */ |
1187 | #define YY_READ_BUF_SIZE 16384 |
1188 | #else |
1189 | #define YY_READ_BUF_SIZE 8192 |
1190 | #endif /* __ia64__ */ |
1191 | #endif |
1192 | |
1193 | |
1194 | /* Copy whatever the last rule matched to the standard output. */ |
1195 | #ifndef ECHO |
1196 | /* This used to be an fputs(), but since the string might contain NUL's, |
1197 | * we now use fwrite(). |
1198 | */ |
1199 | #define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0) |
1200 | #endif |
1201 | |
1202 | |
1203 | |
1204 | /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, |
1205 | * is returned in "result". |
1206 | */ |
1207 | #ifndef YY_INPUT |
1208 | #define YY_INPUT(buf,result,max_size) \ |
1209 | if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ |
1210 | { \ |
1211 | int c = '*'; \ |
1212 | int n; \ |
1213 | for ( n = 0; n < max_size && \ |
1214 | (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ |
1215 | buf[n] = (char) c; \ |
1216 | if ( c == '\n' ) \ |
1217 | buf[n++] = (char) c; \ |
1218 | if ( c == EOF && ferror( yyin ) ) \ |
1219 | YY_FATAL_ERROR( "input in flex scanner failed" ); \ |
1220 | result = n; \ |
1221 | } \ |
1222 | else \ |
1223 | { \ |
1224 | errno=0; \ |
1225 | while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \ |
1226 | { \ |
1227 | if( errno != EINTR) \ |
1228 | { \ |
1229 | YY_FATAL_ERROR( "input in flex scanner failed" ); \ |
1230 | break; \ |
1231 | } \ |
1232 | errno=0; \ |
1233 | clearerr(yyin); \ |
1234 | } \ |
1235 | }\ |
1236 | \ |
1237 | |
1238 | #endif |
1239 | |
1240 | |
1241 | |
1242 | /* No semi-colon after return; correct usage is to write "yyterminate();" - |
1243 | * we don't want an extra ';' after the "return" because that will cause |
1244 | * some compilers to complain about unreachable statements. |
1245 | */ |
1246 | #ifndef yyterminate |
1247 | #define yyterminate() return YY_NULL |
1248 | #endif |
1249 | |
1250 | |
1251 | /* Number of entries by which start-condition stack grows. */ |
1252 | #ifndef YY_START_STACK_INCR |
1253 | #define YY_START_STACK_INCR 25 |
1254 | #endif |
1255 | |
1256 | |
1257 | /* Report a fatal error. */ |
1258 | #ifndef YY_FATAL_ERROR |
1259 | #define YY_FATAL_ERROR(msg) yy_fatal_error( msg , yyscanner) |
1260 | #endif |
1261 | |
1262 | |
1263 | |
1264 | /* end tables serialization structures and prototypes */ |
1265 | |
1266 | |
1267 | |
1268 | /* Default declaration of generated scanner - a define so the user can |
1269 | * easily add parameters. |
1270 | */ |
1271 | #ifndef YY_DECL |
1272 | #define YY_DECL_IS_OURS 1 |
1273 | |
1274 | |
1275 | |
1276 | |
1277 | |
1278 | |
1279 | |
1280 | |
1281 | |
1282 | |
1283 | |
1284 | |
1285 | |
1286 | |
1287 | |
1288 | |
1289 | |
1290 | extern int yylex \ |
1291 | (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner); |
1292 | |
1293 | #define YY_DECL int yylex \ |
1294 | (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner) |
1295 | #endif /* !YY_DECL */ |
1296 | |
1297 | |
1298 | /* Code executed at the beginning of each rule, after yytext and yyleng |
1299 | * have been set up. |
1300 | */ |
1301 | #ifndef YY_USER_ACTION |
1302 | #define YY_USER_ACTION |
1303 | #endif |
1304 | |
1305 | |
1306 | |
1307 | /* Code executed at the end of each rule. */ |
1308 | #ifndef YY_BREAK |
1309 | #define YY_BREAK /*LINTED*/break; |
1310 | #endif |
1311 | |
1312 | |
1313 | |
1314 | #define YY_RULE_SETUP \ |
1315 | YY_USER_ACTION |
1316 | |
1317 | |
1318 | /** The main scanner function which does all the work. |
1319 | */ |
1320 | YY_DECL |
1321 | { |
1322 | yy_state_type yy_current_state; |
1323 | char *yy_cp, *yy_bp; |
1324 | int yy_act; |
1325 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1326 | |
1327 | |
1328 | |
1329 | |
1330 | yylval = yylval_param; |
1331 | |
1332 | |
1333 | |
1334 | yylloc = yylloc_param; |
1335 | |
1336 | |
1337 | if ( !yyg->yy_init ) |
1338 | { |
1339 | yyg->yy_init = 1; |
1340 | |
1341 | #ifdef YY_USER_INIT |
1342 | YY_USER_INIT; |
1343 | #endif |
1344 | |
1345 | |
1346 | |
1347 | if ( ! yyg->yy_start ) |
1348 | yyg->yy_start = 1; /* first start state */ |
1349 | |
1350 | if ( ! yyin ) |
1351 | yyin = stdin; |
1352 | |
1353 | if ( ! yyout ) |
1354 | yyout = stdout; |
1355 | |
1356 | if ( ! YY_CURRENT_BUFFER ) { |
1357 | yyensure_buffer_stack (yyscanner); |
1358 | YY_CURRENT_BUFFER_LVALUE = |
1359 | yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner); |
1360 | } |
1361 | |
1362 | yy_load_buffer_state( yyscanner ); |
1363 | } |
1364 | |
1365 | { |
1366 | |
1367 | |
1368 | /* Line comment */ |
1369 | |
1370 | while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */ |
1371 | { |
1372 | yy_cp = yyg->yy_c_buf_p; |
1373 | |
1374 | /* Support of yytext. */ |
1375 | *yy_cp = yyg->yy_hold_char; |
1376 | |
1377 | /* yy_bp points to the position in yy_ch_buf of the start of |
1378 | * the current run. |
1379 | */ |
1380 | yy_bp = yy_cp; |
1381 | |
1382 | yy_current_state = yyg->yy_start; |
1383 | yy_match: |
1384 | do |
1385 | { |
1386 | YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; |
1387 | if ( yy_accept[yy_current_state] ) |
1388 | { |
1389 | yyg->yy_last_accepting_state = yy_current_state; |
1390 | yyg->yy_last_accepting_cpos = yy_cp; |
1391 | } |
1392 | while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) |
1393 | { |
1394 | yy_current_state = (int) yy_def[yy_current_state]; |
1395 | if ( yy_current_state >= 95 ) |
1396 | yy_c = yy_meta[yy_c]; |
1397 | } |
1398 | yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; |
1399 | ++yy_cp; |
1400 | } |
1401 | while ( yy_current_state != 94 ); |
1402 | yy_cp = yyg->yy_last_accepting_cpos; |
1403 | yy_current_state = yyg->yy_last_accepting_state; |
1404 | |
1405 | yy_find_action: |
1406 | yy_act = yy_accept[yy_current_state]; |
1407 | |
1408 | YY_DO_BEFORE_ACTION; |
1409 | |
1410 | |
1411 | |
1412 | do_action: /* This label is used only to access EOF actions. */ |
1413 | |
1414 | |
1415 | switch ( yy_act ) |
1416 | { /* beginning of action switch */ |
1417 | case 0: /* must back up */ |
1418 | /* undo the effects of YY_DO_BEFORE_ACTION */ |
1419 | *yy_cp = yyg->yy_hold_char; |
1420 | yy_cp = yyg->yy_last_accepting_cpos; |
1421 | yy_current_state = yyg->yy_last_accepting_state; |
1422 | goto yy_find_action; |
1423 | |
1424 | case 1: |
1425 | YY_RULE_SETUP |
1426 | |
1427 | YY_BREAK |
1428 | /* Block comment */ |
1429 | /* Line breaks are just counted - not returned. */ |
1430 | /* The comment is replaced by a single space. */ |
1431 | case 2: |
1432 | YY_RULE_SETUP |
1433 | { BEGIN(COMMENT); } |
1434 | YY_BREAK |
1435 | case 3: |
1436 | YY_RULE_SETUP |
1437 | |
1438 | YY_BREAK |
1439 | case 4: |
1440 | YY_RULE_SETUP |
1441 | |
1442 | YY_BREAK |
1443 | case 5: |
1444 | /* rule 5 can match eol */ |
1445 | YY_RULE_SETUP |
1446 | { |
1447 | if (yylineno == INT_MAX) |
1448 | { |
1449 | *yylval = "Integer overflow on line number" ; |
1450 | return pp::Token::GOT_ERROR; |
1451 | } |
1452 | ++yylineno; |
1453 | } |
1454 | YY_BREAK |
1455 | case 6: |
1456 | YY_RULE_SETUP |
1457 | { |
1458 | yyextra->leadingSpace = true; |
1459 | BEGIN(INITIAL); |
1460 | } |
1461 | YY_BREAK |
1462 | case 7: |
1463 | YY_RULE_SETUP |
1464 | { |
1465 | // # is only valid at start of line for preprocessor directives. |
1466 | yylval->assign(1, yytext[0]); |
1467 | return yyextra->lineStart ? pp::Token::PP_HASH : pp::Token::PP_OTHER; |
1468 | } |
1469 | YY_BREAK |
1470 | case 8: |
1471 | YY_RULE_SETUP |
1472 | { |
1473 | yylval->assign(yytext, yyleng); |
1474 | return pp::Token::IDENTIFIER; |
1475 | } |
1476 | YY_BREAK |
1477 | case 9: |
1478 | YY_RULE_SETUP |
1479 | { |
1480 | yylval->assign(yytext, yyleng); |
1481 | return pp::Token::CONST_INT; |
1482 | } |
1483 | YY_BREAK |
1484 | case 10: |
1485 | YY_RULE_SETUP |
1486 | { |
1487 | yylval->assign(yytext, yyleng); |
1488 | return pp::Token::CONST_FLOAT; |
1489 | } |
1490 | YY_BREAK |
1491 | /* Anything that starts with a {DIGIT} or .{DIGIT} must be a number. */ |
1492 | /* Rule to catch all invalid integers and floats. */ |
1493 | case 11: |
1494 | YY_RULE_SETUP |
1495 | { |
1496 | yylval->assign(yytext, yyleng); |
1497 | return pp::Token::PP_NUMBER; |
1498 | } |
1499 | YY_BREAK |
1500 | case 12: |
1501 | YY_RULE_SETUP |
1502 | { |
1503 | yylval->assign(yytext, yyleng); |
1504 | return pp::Token::OP_INC; |
1505 | } |
1506 | YY_BREAK |
1507 | case 13: |
1508 | YY_RULE_SETUP |
1509 | { |
1510 | yylval->assign(yytext, yyleng); |
1511 | return pp::Token::OP_DEC; |
1512 | } |
1513 | YY_BREAK |
1514 | case 14: |
1515 | YY_RULE_SETUP |
1516 | { |
1517 | yylval->assign(yytext, yyleng); |
1518 | return pp::Token::OP_LEFT; |
1519 | } |
1520 | YY_BREAK |
1521 | case 15: |
1522 | YY_RULE_SETUP |
1523 | { |
1524 | yylval->assign(yytext, yyleng); |
1525 | return pp::Token::OP_RIGHT; |
1526 | } |
1527 | YY_BREAK |
1528 | case 16: |
1529 | YY_RULE_SETUP |
1530 | { |
1531 | yylval->assign(yytext, yyleng); |
1532 | return pp::Token::OP_LE; |
1533 | } |
1534 | YY_BREAK |
1535 | case 17: |
1536 | YY_RULE_SETUP |
1537 | { |
1538 | yylval->assign(yytext, yyleng); |
1539 | return pp::Token::OP_GE; |
1540 | } |
1541 | YY_BREAK |
1542 | case 18: |
1543 | YY_RULE_SETUP |
1544 | { |
1545 | yylval->assign(yytext, yyleng); |
1546 | return pp::Token::OP_EQ; |
1547 | } |
1548 | YY_BREAK |
1549 | case 19: |
1550 | YY_RULE_SETUP |
1551 | { |
1552 | yylval->assign(yytext, yyleng); |
1553 | return pp::Token::OP_NE; |
1554 | } |
1555 | YY_BREAK |
1556 | case 20: |
1557 | YY_RULE_SETUP |
1558 | { |
1559 | yylval->assign(yytext, yyleng); |
1560 | return pp::Token::OP_AND; |
1561 | } |
1562 | YY_BREAK |
1563 | case 21: |
1564 | YY_RULE_SETUP |
1565 | { |
1566 | yylval->assign(yytext, yyleng); |
1567 | return pp::Token::OP_XOR; |
1568 | } |
1569 | YY_BREAK |
1570 | case 22: |
1571 | YY_RULE_SETUP |
1572 | { |
1573 | yylval->assign(yytext, yyleng); |
1574 | return pp::Token::OP_OR; |
1575 | } |
1576 | YY_BREAK |
1577 | case 23: |
1578 | YY_RULE_SETUP |
1579 | { |
1580 | yylval->assign(yytext, yyleng); |
1581 | return pp::Token::OP_ADD_ASSIGN; |
1582 | } |
1583 | YY_BREAK |
1584 | case 24: |
1585 | YY_RULE_SETUP |
1586 | { |
1587 | yylval->assign(yytext, yyleng); |
1588 | return pp::Token::OP_SUB_ASSIGN; |
1589 | } |
1590 | YY_BREAK |
1591 | case 25: |
1592 | YY_RULE_SETUP |
1593 | { |
1594 | yylval->assign(yytext, yyleng); |
1595 | return pp::Token::OP_MUL_ASSIGN; |
1596 | } |
1597 | YY_BREAK |
1598 | case 26: |
1599 | YY_RULE_SETUP |
1600 | { |
1601 | yylval->assign(yytext, yyleng); |
1602 | return pp::Token::OP_DIV_ASSIGN; |
1603 | } |
1604 | YY_BREAK |
1605 | case 27: |
1606 | YY_RULE_SETUP |
1607 | { |
1608 | yylval->assign(yytext, yyleng); |
1609 | return pp::Token::OP_MOD_ASSIGN; |
1610 | } |
1611 | YY_BREAK |
1612 | case 28: |
1613 | YY_RULE_SETUP |
1614 | { |
1615 | yylval->assign(yytext, yyleng); |
1616 | return pp::Token::OP_LEFT_ASSIGN; |
1617 | } |
1618 | YY_BREAK |
1619 | case 29: |
1620 | YY_RULE_SETUP |
1621 | { |
1622 | yylval->assign(yytext, yyleng); |
1623 | return pp::Token::OP_RIGHT_ASSIGN; |
1624 | } |
1625 | YY_BREAK |
1626 | case 30: |
1627 | YY_RULE_SETUP |
1628 | { |
1629 | yylval->assign(yytext, yyleng); |
1630 | return pp::Token::OP_AND_ASSIGN; |
1631 | } |
1632 | YY_BREAK |
1633 | case 31: |
1634 | YY_RULE_SETUP |
1635 | { |
1636 | yylval->assign(yytext, yyleng); |
1637 | return pp::Token::OP_XOR_ASSIGN; |
1638 | } |
1639 | YY_BREAK |
1640 | case 32: |
1641 | YY_RULE_SETUP |
1642 | { |
1643 | yylval->assign(yytext, yyleng); |
1644 | return pp::Token::OP_OR_ASSIGN; |
1645 | } |
1646 | YY_BREAK |
1647 | case 33: |
1648 | YY_RULE_SETUP |
1649 | { |
1650 | yylval->assign(1, yytext[0]); |
1651 | return yytext[0]; |
1652 | } |
1653 | YY_BREAK |
1654 | case 34: |
1655 | YY_RULE_SETUP |
1656 | { yyextra->leadingSpace = true; } |
1657 | YY_BREAK |
1658 | case 35: |
1659 | /* rule 35 can match eol */ |
1660 | YY_RULE_SETUP |
1661 | { |
1662 | if (yylineno == INT_MAX) |
1663 | { |
1664 | *yylval = "Integer overflow on line number" ; |
1665 | return pp::Token::GOT_ERROR; |
1666 | } |
1667 | ++yylineno; |
1668 | yylval->assign(1, '\n'); |
1669 | return '\n'; |
1670 | } |
1671 | YY_BREAK |
1672 | case 36: |
1673 | YY_RULE_SETUP |
1674 | { |
1675 | yylval->assign(1, yytext[0]); |
1676 | return pp::Token::PP_OTHER; |
1677 | } |
1678 | YY_BREAK |
1679 | case YY_STATE_EOF(INITIAL): |
1680 | case YY_STATE_EOF(COMMENT): |
1681 | { |
1682 | // YY_USER_ACTION is not invoked for handling EOF. |
1683 | // Set the location for EOF token manually. |
1684 | pp::Input* input = &yyextra->input; |
1685 | pp::Input::Location* scanLoc = &yyextra->scanLoc; |
1686 | yy_size_t sIndexMax = input->count() ? input->count() - 1 : 0; |
1687 | if (scanLoc->sIndex != sIndexMax) |
1688 | { |
1689 | // We can only reach here if there are empty strings at the |
1690 | // end of the input. |
1691 | scanLoc->sIndex = sIndexMax; scanLoc->cIndex = 0; |
1692 | // FIXME: this is not 64-bit clean. |
1693 | yyfileno = static_cast<int>(sIndexMax); yylineno = 1; |
1694 | } |
1695 | yylloc->file = yyfileno; |
1696 | yylloc->line = yylineno; |
1697 | yylval->clear(); |
1698 | |
1699 | // Line number overflows fake EOFs to exit early, check for this case. |
1700 | if (yylineno == INT_MAX) { |
1701 | yyextra->diagnostics->report(pp::Diagnostics::PP_TOKENIZER_ERROR, |
1702 | pp::SourceLocation(yyfileno, yylineno), |
1703 | "Integer overflow on line number" ); |
1704 | } |
1705 | else if (YY_START == COMMENT) |
1706 | { |
1707 | yyextra->diagnostics->report(pp::Diagnostics::PP_EOF_IN_COMMENT, |
1708 | pp::SourceLocation(yyfileno, yylineno), |
1709 | "EOF while in a comment" ); |
1710 | } |
1711 | yyterminate(); |
1712 | } |
1713 | YY_BREAK |
1714 | case 37: |
1715 | YY_RULE_SETUP |
1716 | ECHO; |
1717 | YY_BREAK |
1718 | |
1719 | case YY_END_OF_BUFFER: |
1720 | { |
1721 | /* Amount of text matched not including the EOB char. */ |
1722 | int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1; |
1723 | |
1724 | /* Undo the effects of YY_DO_BEFORE_ACTION. */ |
1725 | *yy_cp = yyg->yy_hold_char; |
1726 | YY_RESTORE_YY_MORE_OFFSET |
1727 | |
1728 | if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) |
1729 | { |
1730 | /* We're scanning a new file or input source. It's |
1731 | * possible that this happened because the user |
1732 | * just pointed yyin at a new source and called |
1733 | * yylex(). If so, then we have to assure |
1734 | * consistency between YY_CURRENT_BUFFER and our |
1735 | * globals. Here is the right place to do so, because |
1736 | * this is the first action (other than possibly a |
1737 | * back-up) that will match for the new input source. |
1738 | */ |
1739 | yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; |
1740 | YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; |
1741 | YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; |
1742 | } |
1743 | |
1744 | /* Note that here we test for yy_c_buf_p "<=" to the position |
1745 | * of the first EOB in the buffer, since yy_c_buf_p will |
1746 | * already have been incremented past the NUL character |
1747 | * (since all states make transitions on EOB to the |
1748 | * end-of-buffer state). Contrast this with the test |
1749 | * in input(). |
1750 | */ |
1751 | if ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) |
1752 | { /* This was really a NUL. */ |
1753 | yy_state_type yy_next_state; |
1754 | |
1755 | yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text; |
1756 | |
1757 | yy_current_state = yy_get_previous_state( yyscanner ); |
1758 | |
1759 | /* Okay, we're now positioned to make the NUL |
1760 | * transition. We couldn't have |
1761 | * yy_get_previous_state() go ahead and do it |
1762 | * for us because it doesn't know how to deal |
1763 | * with the possibility of jamming (and we don't |
1764 | * want to build jamming into it because then it |
1765 | * will run more slowly). |
1766 | */ |
1767 | |
1768 | yy_next_state = yy_try_NUL_trans( yy_current_state , yyscanner); |
1769 | |
1770 | yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; |
1771 | |
1772 | if ( yy_next_state ) |
1773 | { |
1774 | /* Consume the NUL. */ |
1775 | yy_cp = ++yyg->yy_c_buf_p; |
1776 | yy_current_state = yy_next_state; |
1777 | goto yy_match; |
1778 | } |
1779 | |
1780 | else |
1781 | { |
1782 | yy_cp = yyg->yy_last_accepting_cpos; |
1783 | yy_current_state = yyg->yy_last_accepting_state; |
1784 | goto yy_find_action; |
1785 | } |
1786 | } |
1787 | |
1788 | else switch ( yy_get_next_buffer( yyscanner ) ) |
1789 | { |
1790 | case EOB_ACT_END_OF_FILE: |
1791 | { |
1792 | yyg->yy_did_buffer_switch_on_eof = 0; |
1793 | |
1794 | if ( yywrap( yyscanner ) ) |
1795 | { |
1796 | /* Note: because we've taken care in |
1797 | * yy_get_next_buffer() to have set up |
1798 | * yytext, we can now set up |
1799 | * yy_c_buf_p so that if some total |
1800 | * hoser (like flex itself) wants to |
1801 | * call the scanner after we return the |
1802 | * YY_NULL, it'll still work - another |
1803 | * YY_NULL will get returned. |
1804 | */ |
1805 | yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ; |
1806 | |
1807 | yy_act = YY_STATE_EOF(YY_START); |
1808 | goto do_action; |
1809 | } |
1810 | |
1811 | else |
1812 | { |
1813 | if ( ! yyg->yy_did_buffer_switch_on_eof ) |
1814 | YY_NEW_FILE; |
1815 | } |
1816 | break; |
1817 | } |
1818 | |
1819 | case EOB_ACT_CONTINUE_SCAN: |
1820 | yyg->yy_c_buf_p = |
1821 | yyg->yytext_ptr + yy_amount_of_matched_text; |
1822 | |
1823 | yy_current_state = yy_get_previous_state( yyscanner ); |
1824 | |
1825 | yy_cp = yyg->yy_c_buf_p; |
1826 | yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; |
1827 | goto yy_match; |
1828 | |
1829 | case EOB_ACT_LAST_MATCH: |
1830 | yyg->yy_c_buf_p = |
1831 | &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars]; |
1832 | |
1833 | yy_current_state = yy_get_previous_state( yyscanner ); |
1834 | |
1835 | yy_cp = yyg->yy_c_buf_p; |
1836 | yy_bp = yyg->yytext_ptr + YY_MORE_ADJ; |
1837 | goto yy_find_action; |
1838 | } |
1839 | break; |
1840 | } |
1841 | |
1842 | default: |
1843 | YY_FATAL_ERROR( |
1844 | "fatal flex scanner internal error--no action found" ); |
1845 | } /* end of action switch */ |
1846 | } /* end of scanning one token */ |
1847 | } /* end of user's declarations */ |
1848 | } /* end of yylex */ |
1849 | |
1850 | |
1851 | |
1852 | |
1853 | |
1854 | /* yy_get_next_buffer - try to read in a new buffer |
1855 | * |
1856 | * Returns a code representing an action: |
1857 | * EOB_ACT_LAST_MATCH - |
1858 | * EOB_ACT_CONTINUE_SCAN - continue scanning from current position |
1859 | * EOB_ACT_END_OF_FILE - end of file |
1860 | */ |
1861 | static int yy_get_next_buffer (yyscan_t yyscanner) |
1862 | { |
1863 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
1864 | char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; |
1865 | char *source = yyg->yytext_ptr; |
1866 | int number_to_move, i; |
1867 | int ret_val; |
1868 | |
1869 | if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] ) |
1870 | YY_FATAL_ERROR( |
1871 | "fatal flex scanner internal error--end of buffer missed" ); |
1872 | |
1873 | if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) |
1874 | { /* Don't try to fill the buffer, so this is an EOF. */ |
1875 | if ( yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1 ) |
1876 | { |
1877 | /* We matched a single character, the EOB, so |
1878 | * treat this as a final EOF. |
1879 | */ |
1880 | return EOB_ACT_END_OF_FILE; |
1881 | } |
1882 | |
1883 | else |
1884 | { |
1885 | /* We matched some text prior to the EOB, first |
1886 | * process it. |
1887 | */ |
1888 | return EOB_ACT_LAST_MATCH; |
1889 | } |
1890 | } |
1891 | |
1892 | /* Try to read more data. */ |
1893 | |
1894 | /* First move last chars to start of buffer. */ |
1895 | number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr - 1); |
1896 | |
1897 | for ( i = 0; i < number_to_move; ++i ) |
1898 | *(dest++) = *(source++); |
1899 | |
1900 | if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) |
1901 | /* don't do the read, it's not guaranteed to return an EOF, |
1902 | * just force an EOF |
1903 | */ |
1904 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0; |
1905 | |
1906 | else |
1907 | { |
1908 | int num_to_read = |
1909 | YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; |
1910 | |
1911 | while ( num_to_read <= 0 ) |
1912 | { /* Not enough room in the buffer - grow it. */ |
1913 | |
1914 | /* just a shorter name for the current buffer */ |
1915 | YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; |
1916 | |
1917 | int yy_c_buf_p_offset = |
1918 | (int) (yyg->yy_c_buf_p - b->yy_ch_buf); |
1919 | |
1920 | if ( b->yy_is_our_buffer ) |
1921 | { |
1922 | int new_size = b->yy_buf_size * 2; |
1923 | |
1924 | if ( new_size <= 0 ) |
1925 | b->yy_buf_size += b->yy_buf_size / 8; |
1926 | else |
1927 | b->yy_buf_size *= 2; |
1928 | |
1929 | b->yy_ch_buf = (char *) |
1930 | /* Include room in for 2 EOB chars. */ |
1931 | yyrealloc( (void *) b->yy_ch_buf, |
1932 | (yy_size_t) (b->yy_buf_size + 2) , yyscanner ); |
1933 | } |
1934 | else |
1935 | /* Can't grow it, we don't own it. */ |
1936 | b->yy_ch_buf = NULL; |
1937 | |
1938 | if ( ! b->yy_ch_buf ) |
1939 | YY_FATAL_ERROR( |
1940 | "fatal error - scanner input buffer overflow" ); |
1941 | |
1942 | yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; |
1943 | |
1944 | num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - |
1945 | number_to_move - 1; |
1946 | |
1947 | } |
1948 | |
1949 | if ( num_to_read > YY_READ_BUF_SIZE ) |
1950 | num_to_read = YY_READ_BUF_SIZE; |
1951 | |
1952 | /* Read in more data. */ |
1953 | YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), |
1954 | yyg->yy_n_chars, num_to_read ); |
1955 | |
1956 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; |
1957 | } |
1958 | |
1959 | if ( yyg->yy_n_chars == 0 ) |
1960 | { |
1961 | if ( number_to_move == YY_MORE_ADJ ) |
1962 | { |
1963 | ret_val = EOB_ACT_END_OF_FILE; |
1964 | yyrestart( yyin , yyscanner); |
1965 | } |
1966 | |
1967 | else |
1968 | { |
1969 | ret_val = EOB_ACT_LAST_MATCH; |
1970 | YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = |
1971 | YY_BUFFER_EOF_PENDING; |
1972 | } |
1973 | } |
1974 | |
1975 | else |
1976 | ret_val = EOB_ACT_CONTINUE_SCAN; |
1977 | |
1978 | if ((yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { |
1979 | /* Extend the array by 50%, plus the number we really need. */ |
1980 | int new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1); |
1981 | YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc( |
1982 | (void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size , yyscanner ); |
1983 | if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) |
1984 | YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); |
1985 | /* "- 2" to take care of EOB's */ |
1986 | YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2); |
1987 | } |
1988 | |
1989 | yyg->yy_n_chars += number_to_move; |
1990 | YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR; |
1991 | YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; |
1992 | |
1993 | yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; |
1994 | |
1995 | return ret_val; |
1996 | } |
1997 | |
1998 | |
1999 | /* yy_get_previous_state - get the state just before the EOB char was reached */ |
2000 | |
2001 | static yy_state_type yy_get_previous_state (yyscan_t yyscanner) |
2002 | { |
2003 | yy_state_type yy_current_state; |
2004 | char *yy_cp; |
2005 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2006 | |
2007 | yy_current_state = yyg->yy_start; |
2008 | |
2009 | for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp ) |
2010 | { |
2011 | YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); |
2012 | if ( yy_accept[yy_current_state] ) |
2013 | { |
2014 | yyg->yy_last_accepting_state = yy_current_state; |
2015 | yyg->yy_last_accepting_cpos = yy_cp; |
2016 | } |
2017 | while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) |
2018 | { |
2019 | yy_current_state = (int) yy_def[yy_current_state]; |
2020 | if ( yy_current_state >= 95 ) |
2021 | yy_c = yy_meta[yy_c]; |
2022 | } |
2023 | yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; |
2024 | } |
2025 | |
2026 | return yy_current_state; |
2027 | } |
2028 | |
2029 | |
2030 | /* yy_try_NUL_trans - try to make a transition on the NUL character |
2031 | * |
2032 | * synopsis |
2033 | * next_state = yy_try_NUL_trans( current_state ); |
2034 | */ |
2035 | static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state , yyscan_t yyscanner) |
2036 | { |
2037 | int yy_is_jam; |
2038 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */ |
2039 | char *yy_cp = yyg->yy_c_buf_p; |
2040 | |
2041 | YY_CHAR yy_c = 1; |
2042 | if ( yy_accept[yy_current_state] ) |
2043 | { |
2044 | yyg->yy_last_accepting_state = yy_current_state; |
2045 | yyg->yy_last_accepting_cpos = yy_cp; |
2046 | } |
2047 | while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) |
2048 | { |
2049 | yy_current_state = (int) yy_def[yy_current_state]; |
2050 | if ( yy_current_state >= 95 ) |
2051 | yy_c = yy_meta[yy_c]; |
2052 | } |
2053 | yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; |
2054 | yy_is_jam = (yy_current_state == 94); |
2055 | |
2056 | (void)yyg; |
2057 | return yy_is_jam ? 0 : yy_current_state; |
2058 | } |
2059 | |
2060 | |
2061 | #ifndef YY_NO_UNPUT |
2062 | |
2063 | #endif |
2064 | |
2065 | #ifndef YY_NO_INPUT |
2066 | #ifdef __cplusplus |
2067 | static int yyinput (yyscan_t yyscanner) |
2068 | #else |
2069 | static int input (yyscan_t yyscanner) |
2070 | #endif |
2071 | |
2072 | { |
2073 | int c; |
2074 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2075 | |
2076 | *yyg->yy_c_buf_p = yyg->yy_hold_char; |
2077 | |
2078 | if ( *yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) |
2079 | { |
2080 | /* yy_c_buf_p now points to the character we want to return. |
2081 | * If this occurs *before* the EOB characters, then it's a |
2082 | * valid NUL; if not, then we've hit the end of the buffer. |
2083 | */ |
2084 | if ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] ) |
2085 | /* This was really a NUL. */ |
2086 | *yyg->yy_c_buf_p = '\0'; |
2087 | |
2088 | else |
2089 | { /* need more input */ |
2090 | int offset = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr); |
2091 | ++yyg->yy_c_buf_p; |
2092 | |
2093 | switch ( yy_get_next_buffer( yyscanner ) ) |
2094 | { |
2095 | case EOB_ACT_LAST_MATCH: |
2096 | /* This happens because yy_g_n_b() |
2097 | * sees that we've accumulated a |
2098 | * token and flags that we need to |
2099 | * try matching the token before |
2100 | * proceeding. But for input(), |
2101 | * there's no matching to consider. |
2102 | * So convert the EOB_ACT_LAST_MATCH |
2103 | * to EOB_ACT_END_OF_FILE. |
2104 | */ |
2105 | |
2106 | /* Reset buffer status. */ |
2107 | yyrestart( yyin , yyscanner); |
2108 | |
2109 | /*FALLTHROUGH*/ |
2110 | |
2111 | case EOB_ACT_END_OF_FILE: |
2112 | { |
2113 | if ( yywrap( yyscanner ) ) |
2114 | return 0; |
2115 | |
2116 | if ( ! yyg->yy_did_buffer_switch_on_eof ) |
2117 | YY_NEW_FILE; |
2118 | #ifdef __cplusplus |
2119 | return yyinput(yyscanner); |
2120 | #else |
2121 | return input(yyscanner); |
2122 | #endif |
2123 | } |
2124 | |
2125 | case EOB_ACT_CONTINUE_SCAN: |
2126 | yyg->yy_c_buf_p = yyg->yytext_ptr + offset; |
2127 | break; |
2128 | } |
2129 | } |
2130 | } |
2131 | |
2132 | c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */ |
2133 | *yyg->yy_c_buf_p = '\0'; /* preserve yytext */ |
2134 | yyg->yy_hold_char = *++yyg->yy_c_buf_p; |
2135 | |
2136 | |
2137 | return c; |
2138 | } |
2139 | #endif /* ifndef YY_NO_INPUT */ |
2140 | |
2141 | /** Immediately switch to a different input stream. |
2142 | * @param input_file A readable stream. |
2143 | * @param yyscanner The scanner object. |
2144 | * @note This function does not reset the start condition to @c INITIAL . |
2145 | */ |
2146 | void yyrestart (FILE * input_file , yyscan_t yyscanner) |
2147 | { |
2148 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2149 | |
2150 | if ( ! YY_CURRENT_BUFFER ){ |
2151 | yyensure_buffer_stack (yyscanner); |
2152 | YY_CURRENT_BUFFER_LVALUE = |
2153 | yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner); |
2154 | } |
2155 | |
2156 | yy_init_buffer( YY_CURRENT_BUFFER, input_file , yyscanner); |
2157 | yy_load_buffer_state( yyscanner ); |
2158 | } |
2159 | |
2160 | |
2161 | /** Switch to a different input buffer. |
2162 | * @param new_buffer The new input buffer. |
2163 | * @param yyscanner The scanner object. |
2164 | */ |
2165 | void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) |
2166 | { |
2167 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2168 | |
2169 | /* TODO. We should be able to replace this entire function body |
2170 | * with |
2171 | * yypop_buffer_state(); |
2172 | * yypush_buffer_state(new_buffer); |
2173 | */ |
2174 | yyensure_buffer_stack (yyscanner); |
2175 | if ( YY_CURRENT_BUFFER == new_buffer ) |
2176 | return; |
2177 | |
2178 | if ( YY_CURRENT_BUFFER ) |
2179 | { |
2180 | /* Flush out information for old buffer. */ |
2181 | *yyg->yy_c_buf_p = yyg->yy_hold_char; |
2182 | YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; |
2183 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; |
2184 | } |
2185 | |
2186 | YY_CURRENT_BUFFER_LVALUE = new_buffer; |
2187 | yy_load_buffer_state( yyscanner ); |
2188 | |
2189 | /* We don't actually know whether we did this switch during |
2190 | * EOF (yywrap()) processing, but the only time this flag |
2191 | * is looked at is after yywrap() is called, so it's safe |
2192 | * to go ahead and always set it. |
2193 | */ |
2194 | yyg->yy_did_buffer_switch_on_eof = 1; |
2195 | } |
2196 | |
2197 | |
2198 | static void yy_load_buffer_state (yyscan_t yyscanner) |
2199 | { |
2200 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2201 | yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; |
2202 | yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; |
2203 | yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; |
2204 | yyg->yy_hold_char = *yyg->yy_c_buf_p; |
2205 | } |
2206 | |
2207 | /** Allocate and initialize an input buffer state. |
2208 | * @param file A readable stream. |
2209 | * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. |
2210 | * @param yyscanner The scanner object. |
2211 | * @return the allocated buffer state. |
2212 | */ |
2213 | YY_BUFFER_STATE yy_create_buffer (FILE * file, int size , yyscan_t yyscanner) |
2214 | { |
2215 | YY_BUFFER_STATE b; |
2216 | |
2217 | b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) , yyscanner ); |
2218 | if ( ! b ) |
2219 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); |
2220 | |
2221 | b->yy_buf_size = size; |
2222 | |
2223 | /* yy_ch_buf has to be 2 characters longer than the size given because |
2224 | * we need to put in 2 end-of-buffer characters. |
2225 | */ |
2226 | b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) , yyscanner ); |
2227 | if ( ! b->yy_ch_buf ) |
2228 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); |
2229 | |
2230 | b->yy_is_our_buffer = 1; |
2231 | |
2232 | yy_init_buffer( b, file , yyscanner); |
2233 | |
2234 | return b; |
2235 | } |
2236 | |
2237 | |
2238 | /** Destroy the buffer. |
2239 | * @param b a buffer created with yy_create_buffer() |
2240 | * @param yyscanner The scanner object. |
2241 | */ |
2242 | void yy_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) |
2243 | { |
2244 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2245 | |
2246 | if ( ! b ) |
2247 | return; |
2248 | |
2249 | if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ |
2250 | YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; |
2251 | |
2252 | if ( b->yy_is_our_buffer ) |
2253 | yyfree( (void *) b->yy_ch_buf , yyscanner ); |
2254 | |
2255 | yyfree( (void *) b , yyscanner ); |
2256 | } |
2257 | |
2258 | |
2259 | /* Initializes or reinitializes a buffer. |
2260 | * This function is sometimes called more than once on the same buffer, |
2261 | * such as during a yyrestart() or at EOF. |
2262 | */ |
2263 | static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) |
2264 | |
2265 | { |
2266 | int oerrno = errno; |
2267 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2268 | |
2269 | yy_flush_buffer( b , yyscanner); |
2270 | |
2271 | b->yy_input_file = file; |
2272 | b->yy_fill_buffer = 1; |
2273 | |
2274 | /* If b is the current buffer, then yy_init_buffer was _probably_ |
2275 | * called from yyrestart() or through yy_get_next_buffer. |
2276 | * In that case, we don't want to reset the lineno or column. |
2277 | */ |
2278 | if (b != YY_CURRENT_BUFFER){ |
2279 | b->yy_bs_lineno = 1; |
2280 | b->yy_bs_column = 0; |
2281 | } |
2282 | |
2283 | |
2284 | |
2285 | b->yy_is_interactive = 0; |
2286 | |
2287 | |
2288 | errno = oerrno; |
2289 | } |
2290 | |
2291 | /** Discard all buffered characters. On the next scan, YY_INPUT will be called. |
2292 | * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. |
2293 | * @param yyscanner The scanner object. |
2294 | */ |
2295 | void yy_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner) |
2296 | { |
2297 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2298 | if ( ! b ) |
2299 | return; |
2300 | |
2301 | b->yy_n_chars = 0; |
2302 | |
2303 | /* We always need two end-of-buffer characters. The first causes |
2304 | * a transition to the end-of-buffer state. The second causes |
2305 | * a jam in that state. |
2306 | */ |
2307 | b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; |
2308 | b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; |
2309 | |
2310 | b->yy_buf_pos = &b->yy_ch_buf[0]; |
2311 | |
2312 | b->yy_at_bol = 1; |
2313 | b->yy_buffer_status = YY_BUFFER_NEW; |
2314 | |
2315 | if ( b == YY_CURRENT_BUFFER ) |
2316 | yy_load_buffer_state( yyscanner ); |
2317 | } |
2318 | |
2319 | /** Pushes the new state onto the stack. The new state becomes |
2320 | * the current state. This function will allocate the stack |
2321 | * if necessary. |
2322 | * @param new_buffer The new state. |
2323 | * @param yyscanner The scanner object. |
2324 | */ |
2325 | void yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) |
2326 | { |
2327 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2328 | if (new_buffer == NULL) |
2329 | return; |
2330 | |
2331 | yyensure_buffer_stack(yyscanner); |
2332 | |
2333 | /* This block is copied from yy_switch_to_buffer. */ |
2334 | if ( YY_CURRENT_BUFFER ) |
2335 | { |
2336 | /* Flush out information for old buffer. */ |
2337 | *yyg->yy_c_buf_p = yyg->yy_hold_char; |
2338 | YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; |
2339 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; |
2340 | } |
2341 | |
2342 | /* Only push if top exists. Otherwise, replace top. */ |
2343 | if (YY_CURRENT_BUFFER) |
2344 | yyg->yy_buffer_stack_top++; |
2345 | YY_CURRENT_BUFFER_LVALUE = new_buffer; |
2346 | |
2347 | /* copied from yy_switch_to_buffer. */ |
2348 | yy_load_buffer_state( yyscanner ); |
2349 | yyg->yy_did_buffer_switch_on_eof = 1; |
2350 | } |
2351 | |
2352 | |
2353 | /** Removes and deletes the top of the stack, if present. |
2354 | * The next element becomes the new top. |
2355 | * @param yyscanner The scanner object. |
2356 | */ |
2357 | void yypop_buffer_state (yyscan_t yyscanner) |
2358 | { |
2359 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2360 | if (!YY_CURRENT_BUFFER) |
2361 | return; |
2362 | |
2363 | yy_delete_buffer(YY_CURRENT_BUFFER , yyscanner); |
2364 | YY_CURRENT_BUFFER_LVALUE = NULL; |
2365 | if (yyg->yy_buffer_stack_top > 0) |
2366 | --yyg->yy_buffer_stack_top; |
2367 | |
2368 | if (YY_CURRENT_BUFFER) { |
2369 | yy_load_buffer_state( yyscanner ); |
2370 | yyg->yy_did_buffer_switch_on_eof = 1; |
2371 | } |
2372 | } |
2373 | |
2374 | |
2375 | /* Allocates the stack if it does not exist. |
2376 | * Guarantees space for at least one push. |
2377 | */ |
2378 | static void yyensure_buffer_stack (yyscan_t yyscanner) |
2379 | { |
2380 | yy_size_t num_to_alloc; |
2381 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2382 | |
2383 | if (!yyg->yy_buffer_stack) { |
2384 | |
2385 | /* First allocation is just for 2 elements, since we don't know if this |
2386 | * scanner will even need a stack. We use 2 instead of 1 to avoid an |
2387 | * immediate realloc on the next call. |
2388 | */ |
2389 | num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */ |
2390 | yyg->yy_buffer_stack = (struct yy_buffer_state**)yyalloc |
2391 | (num_to_alloc * sizeof(struct yy_buffer_state*) |
2392 | , yyscanner); |
2393 | if ( ! yyg->yy_buffer_stack ) |
2394 | YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); |
2395 | |
2396 | |
2397 | memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*)); |
2398 | |
2399 | yyg->yy_buffer_stack_max = num_to_alloc; |
2400 | yyg->yy_buffer_stack_top = 0; |
2401 | return; |
2402 | } |
2403 | |
2404 | if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){ |
2405 | |
2406 | /* Increase the buffer to prepare for a possible push. */ |
2407 | yy_size_t grow_size = 8 /* arbitrary grow size */; |
2408 | |
2409 | num_to_alloc = yyg->yy_buffer_stack_max + grow_size; |
2410 | yyg->yy_buffer_stack = (struct yy_buffer_state**)yyrealloc |
2411 | (yyg->yy_buffer_stack, |
2412 | num_to_alloc * sizeof(struct yy_buffer_state*) |
2413 | , yyscanner); |
2414 | if ( ! yyg->yy_buffer_stack ) |
2415 | YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); |
2416 | |
2417 | /* zero only the new slots.*/ |
2418 | memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*)); |
2419 | yyg->yy_buffer_stack_max = num_to_alloc; |
2420 | } |
2421 | } |
2422 | |
2423 | |
2424 | |
2425 | |
2426 | |
2427 | /** Setup the input buffer state to scan directly from a user-specified character buffer. |
2428 | * @param base the character buffer |
2429 | * @param size the size in bytes of the character buffer |
2430 | * @param yyscanner The scanner object. |
2431 | * @return the newly allocated buffer state object. |
2432 | */ |
2433 | YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner) |
2434 | { |
2435 | YY_BUFFER_STATE b; |
2436 | |
2437 | if ( size < 2 || |
2438 | base[size-2] != YY_END_OF_BUFFER_CHAR || |
2439 | base[size-1] != YY_END_OF_BUFFER_CHAR ) |
2440 | /* They forgot to leave room for the EOB's. */ |
2441 | return NULL; |
2442 | |
2443 | b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) , yyscanner ); |
2444 | if ( ! b ) |
2445 | YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); |
2446 | |
2447 | b->yy_buf_size = (int) (size - 2); /* "- 2" to take care of EOB's */ |
2448 | b->yy_buf_pos = b->yy_ch_buf = base; |
2449 | b->yy_is_our_buffer = 0; |
2450 | b->yy_input_file = NULL; |
2451 | b->yy_n_chars = b->yy_buf_size; |
2452 | b->yy_is_interactive = 0; |
2453 | b->yy_at_bol = 1; |
2454 | b->yy_fill_buffer = 0; |
2455 | b->yy_buffer_status = YY_BUFFER_NEW; |
2456 | |
2457 | yy_switch_to_buffer( b , yyscanner ); |
2458 | |
2459 | return b; |
2460 | } |
2461 | |
2462 | |
2463 | |
2464 | |
2465 | /** Setup the input buffer state to scan a string. The next call to yylex() will |
2466 | * scan from a @e copy of @a str. |
2467 | * @param yystr a NUL-terminated string to scan |
2468 | * @param yyscanner The scanner object. |
2469 | * @return the newly allocated buffer state object. |
2470 | * @note If you want to scan bytes that may contain NUL values, then use |
2471 | * yy_scan_bytes() instead. |
2472 | */ |
2473 | YY_BUFFER_STATE yy_scan_string (const char * yystr , yyscan_t yyscanner) |
2474 | { |
2475 | |
2476 | return yy_scan_bytes( yystr, (int) strlen(yystr) , yyscanner); |
2477 | } |
2478 | |
2479 | |
2480 | |
2481 | |
2482 | /** Setup the input buffer state to scan the given bytes. The next call to yylex() will |
2483 | * scan from a @e copy of @a bytes. |
2484 | * @param yybytes the byte buffer to scan |
2485 | * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. |
2486 | * @param yyscanner The scanner object. |
2487 | * @return the newly allocated buffer state object. |
2488 | */ |
2489 | YY_BUFFER_STATE yy_scan_bytes (const char * yybytes, int _yybytes_len , yyscan_t yyscanner) |
2490 | { |
2491 | YY_BUFFER_STATE b; |
2492 | char *buf; |
2493 | yy_size_t n; |
2494 | int i; |
2495 | |
2496 | /* Get memory for full buffer, including space for trailing EOB's. */ |
2497 | n = (yy_size_t) (_yybytes_len + 2); |
2498 | buf = (char *) yyalloc( n , yyscanner ); |
2499 | if ( ! buf ) |
2500 | YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); |
2501 | |
2502 | for ( i = 0; i < _yybytes_len; ++i ) |
2503 | buf[i] = yybytes[i]; |
2504 | |
2505 | buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; |
2506 | |
2507 | b = yy_scan_buffer( buf, n , yyscanner); |
2508 | if ( ! b ) |
2509 | YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); |
2510 | |
2511 | /* It's okay to grow etc. this buffer, and we should throw it |
2512 | * away when we're done. |
2513 | */ |
2514 | b->yy_is_our_buffer = 1; |
2515 | |
2516 | return b; |
2517 | } |
2518 | |
2519 | |
2520 | |
2521 | |
2522 | |
2523 | |
2524 | |
2525 | |
2526 | |
2527 | |
2528 | |
2529 | #ifndef YY_EXIT_FAILURE |
2530 | #define YY_EXIT_FAILURE 2 |
2531 | #endif |
2532 | |
2533 | static void yynoreturn yy_fatal_error (const char* msg , yyscan_t yyscanner) |
2534 | { |
2535 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2536 | (void)yyg; |
2537 | fprintf( stderr, "%s\n" , msg ); |
2538 | exit( YY_EXIT_FAILURE ); |
2539 | } |
2540 | |
2541 | /* Redefine yyless() so it works in section 3 code. */ |
2542 | |
2543 | #undef yyless |
2544 | #define yyless(n) \ |
2545 | do \ |
2546 | { \ |
2547 | /* Undo effects of setting up yytext. */ \ |
2548 | int yyless_macro_arg = (n); \ |
2549 | YY_LESS_LINENO(yyless_macro_arg);\ |
2550 | yytext[yyleng] = yyg->yy_hold_char; \ |
2551 | yyg->yy_c_buf_p = yytext + yyless_macro_arg; \ |
2552 | yyg->yy_hold_char = *yyg->yy_c_buf_p; \ |
2553 | *yyg->yy_c_buf_p = '\0'; \ |
2554 | yyleng = yyless_macro_arg; \ |
2555 | } \ |
2556 | while ( 0 ) |
2557 | |
2558 | |
2559 | |
2560 | /* Accessor methods (get/set functions) to struct members. */ |
2561 | |
2562 | |
2563 | /** Get the user-defined data for this scanner. |
2564 | * @param yyscanner The scanner object. |
2565 | */ |
2566 | YY_EXTRA_TYPE yyget_extra (yyscan_t yyscanner) |
2567 | { |
2568 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2569 | return yyextra; |
2570 | } |
2571 | |
2572 | |
2573 | |
2574 | /** Get the current line number. |
2575 | * @param yyscanner The scanner object. |
2576 | */ |
2577 | int yyget_lineno (yyscan_t yyscanner) |
2578 | { |
2579 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2580 | |
2581 | |
2582 | if (! YY_CURRENT_BUFFER) |
2583 | return 0; |
2584 | |
2585 | return yylineno; |
2586 | } |
2587 | |
2588 | |
2589 | |
2590 | |
2591 | /** Get the current column number. |
2592 | * @param yyscanner The scanner object. |
2593 | */ |
2594 | int yyget_column (yyscan_t yyscanner) |
2595 | { |
2596 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2597 | |
2598 | |
2599 | if (! YY_CURRENT_BUFFER) |
2600 | return 0; |
2601 | |
2602 | return yycolumn; |
2603 | } |
2604 | |
2605 | |
2606 | |
2607 | |
2608 | /** Get the input stream. |
2609 | * @param yyscanner The scanner object. |
2610 | */ |
2611 | FILE *yyget_in (yyscan_t yyscanner) |
2612 | { |
2613 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2614 | return yyin; |
2615 | } |
2616 | |
2617 | |
2618 | |
2619 | /** Get the output stream. |
2620 | * @param yyscanner The scanner object. |
2621 | */ |
2622 | FILE *yyget_out (yyscan_t yyscanner) |
2623 | { |
2624 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2625 | return yyout; |
2626 | } |
2627 | |
2628 | |
2629 | |
2630 | /** Get the length of the current token. |
2631 | * @param yyscanner The scanner object. |
2632 | */ |
2633 | int yyget_leng (yyscan_t yyscanner) |
2634 | { |
2635 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2636 | return yyleng; |
2637 | } |
2638 | |
2639 | |
2640 | /** Get the current token. |
2641 | * @param yyscanner The scanner object. |
2642 | */ |
2643 | |
2644 | char *yyget_text (yyscan_t yyscanner) |
2645 | { |
2646 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2647 | return yytext; |
2648 | } |
2649 | |
2650 | |
2651 | |
2652 | /** Set the user-defined data. This data is never touched by the scanner. |
2653 | * @param user_defined The data to be associated with this scanner. |
2654 | * @param yyscanner The scanner object. |
2655 | */ |
2656 | void yyset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner) |
2657 | { |
2658 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2659 | yyextra = user_defined ; |
2660 | } |
2661 | |
2662 | |
2663 | |
2664 | /** Set the current line number. |
2665 | * @param _line_number line number |
2666 | * @param yyscanner The scanner object. |
2667 | */ |
2668 | void yyset_lineno (int _line_number , yyscan_t yyscanner) |
2669 | { |
2670 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2671 | |
2672 | |
2673 | /* lineno is only valid if an input buffer exists. */ |
2674 | if (! YY_CURRENT_BUFFER ) |
2675 | YY_FATAL_ERROR( "yyset_lineno called with no buffer" ); |
2676 | |
2677 | yylineno = _line_number; |
2678 | } |
2679 | |
2680 | |
2681 | |
2682 | |
2683 | /** Set the current column. |
2684 | * @param _column_no column number |
2685 | * @param yyscanner The scanner object. |
2686 | */ |
2687 | void yyset_column (int _column_no , yyscan_t yyscanner) |
2688 | { |
2689 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2690 | |
2691 | |
2692 | /* column is only valid if an input buffer exists. */ |
2693 | if (! YY_CURRENT_BUFFER ) |
2694 | YY_FATAL_ERROR( "yyset_column called with no buffer" ); |
2695 | |
2696 | yycolumn = _column_no; |
2697 | } |
2698 | |
2699 | |
2700 | |
2701 | |
2702 | |
2703 | /** Set the input stream. This does not discard the current |
2704 | * input buffer. |
2705 | * @param _in_str A readable stream. |
2706 | * @param yyscanner The scanner object. |
2707 | * @see yy_switch_to_buffer |
2708 | */ |
2709 | void yyset_in (FILE * _in_str , yyscan_t yyscanner) |
2710 | { |
2711 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2712 | yyin = _in_str ; |
2713 | } |
2714 | |
2715 | |
2716 | |
2717 | void yyset_out (FILE * _out_str , yyscan_t yyscanner) |
2718 | { |
2719 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2720 | yyout = _out_str ; |
2721 | } |
2722 | |
2723 | |
2724 | |
2725 | |
2726 | int yyget_debug (yyscan_t yyscanner) |
2727 | { |
2728 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2729 | return yy_flex_debug; |
2730 | } |
2731 | |
2732 | |
2733 | |
2734 | void yyset_debug (int _bdebug , yyscan_t yyscanner) |
2735 | { |
2736 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2737 | yy_flex_debug = _bdebug ; |
2738 | } |
2739 | |
2740 | |
2741 | /* Accessor methods for yylval and yylloc */ |
2742 | |
2743 | |
2744 | YYSTYPE * yyget_lval (yyscan_t yyscanner) |
2745 | { |
2746 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2747 | return yylval; |
2748 | } |
2749 | |
2750 | |
2751 | |
2752 | void yyset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner) |
2753 | { |
2754 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2755 | yylval = yylval_param; |
2756 | } |
2757 | |
2758 | |
2759 | |
2760 | |
2761 | YYLTYPE *yyget_lloc (yyscan_t yyscanner) |
2762 | { |
2763 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2764 | return yylloc; |
2765 | } |
2766 | |
2767 | |
2768 | |
2769 | void yyset_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner) |
2770 | { |
2771 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2772 | yylloc = yylloc_param; |
2773 | } |
2774 | |
2775 | |
2776 | |
2777 | |
2778 | |
2779 | /* User-visible API */ |
2780 | |
2781 | /* yylex_init is special because it creates the scanner itself, so it is |
2782 | * the ONLY reentrant function that doesn't take the scanner as the last argument. |
2783 | * That's why we explicitly handle the declaration, instead of using our macros. |
2784 | */ |
2785 | int yylex_init(yyscan_t* ptr_yy_globals) |
2786 | { |
2787 | if (ptr_yy_globals == NULL){ |
2788 | errno = EINVAL; |
2789 | return 1; |
2790 | } |
2791 | |
2792 | *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), NULL ); |
2793 | |
2794 | if (*ptr_yy_globals == NULL){ |
2795 | errno = ENOMEM; |
2796 | return 1; |
2797 | } |
2798 | |
2799 | /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ |
2800 | memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); |
2801 | |
2802 | return yy_init_globals ( *ptr_yy_globals ); |
2803 | } |
2804 | |
2805 | |
2806 | /* yylex_init_extra has the same functionality as yylex_init, but follows the |
2807 | * convention of taking the scanner as the last argument. Note however, that |
2808 | * this is a *pointer* to a scanner, as it will be allocated by this call (and |
2809 | * is the reason, too, why this function also must handle its own declaration). |
2810 | * The user defined value in the first argument will be available to yyalloc in |
2811 | * the yyextra field. |
2812 | */ |
2813 | int yylex_init_extra( YY_EXTRA_TYPE yy_user_defined, yyscan_t* ptr_yy_globals ) |
2814 | { |
2815 | struct yyguts_t dummy_yyguts; |
2816 | |
2817 | yyset_extra (yy_user_defined, &dummy_yyguts); |
2818 | |
2819 | if (ptr_yy_globals == NULL){ |
2820 | errno = EINVAL; |
2821 | return 1; |
2822 | } |
2823 | |
2824 | *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); |
2825 | |
2826 | if (*ptr_yy_globals == NULL){ |
2827 | errno = ENOMEM; |
2828 | return 1; |
2829 | } |
2830 | |
2831 | /* By setting to 0xAA, we expose bugs in |
2832 | yy_init_globals. Leave at 0x00 for releases. */ |
2833 | memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); |
2834 | |
2835 | yyset_extra (yy_user_defined, *ptr_yy_globals); |
2836 | |
2837 | return yy_init_globals ( *ptr_yy_globals ); |
2838 | } |
2839 | |
2840 | |
2841 | static int yy_init_globals (yyscan_t yyscanner) |
2842 | { |
2843 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2844 | /* Initialization is the same as for the non-reentrant scanner. |
2845 | * This function is called from yylex_destroy(), so don't allocate here. |
2846 | */ |
2847 | |
2848 | |
2849 | yyg->yy_buffer_stack = NULL; |
2850 | yyg->yy_buffer_stack_top = 0; |
2851 | yyg->yy_buffer_stack_max = 0; |
2852 | yyg->yy_c_buf_p = NULL; |
2853 | yyg->yy_init = 0; |
2854 | yyg->yy_start = 0; |
2855 | |
2856 | |
2857 | yyg->yy_start_stack_ptr = 0; |
2858 | yyg->yy_start_stack_depth = 0; |
2859 | yyg->yy_start_stack = NULL; |
2860 | |
2861 | |
2862 | |
2863 | |
2864 | |
2865 | |
2866 | /* Defined in main.c */ |
2867 | #ifdef YY_STDINIT |
2868 | yyin = stdin; |
2869 | yyout = stdout; |
2870 | #else |
2871 | yyin = NULL; |
2872 | yyout = NULL; |
2873 | #endif |
2874 | |
2875 | /* For future reference: Set errno on error, since we are called by |
2876 | * yylex_init() |
2877 | */ |
2878 | return 0; |
2879 | } |
2880 | |
2881 | |
2882 | /* yylex_destroy is for both reentrant and non-reentrant scanners. */ |
2883 | int yylex_destroy (yyscan_t yyscanner) |
2884 | { |
2885 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2886 | |
2887 | /* Pop the buffer stack, destroying each element. */ |
2888 | while(YY_CURRENT_BUFFER){ |
2889 | yy_delete_buffer( YY_CURRENT_BUFFER , yyscanner ); |
2890 | YY_CURRENT_BUFFER_LVALUE = NULL; |
2891 | yypop_buffer_state(yyscanner); |
2892 | } |
2893 | |
2894 | /* Destroy the stack itself. */ |
2895 | yyfree(yyg->yy_buffer_stack , yyscanner); |
2896 | yyg->yy_buffer_stack = NULL; |
2897 | |
2898 | |
2899 | /* Destroy the start condition stack. */ |
2900 | yyfree( yyg->yy_start_stack , yyscanner ); |
2901 | yyg->yy_start_stack = NULL; |
2902 | |
2903 | |
2904 | |
2905 | |
2906 | /* Reset the globals. This is important in a non-reentrant scanner so the next time |
2907 | * yylex() is called, initialization will occur. */ |
2908 | yy_init_globals( yyscanner); |
2909 | |
2910 | /* Destroy the main struct (reentrant only). */ |
2911 | yyfree ( yyscanner , yyscanner ); |
2912 | yyscanner = NULL; |
2913 | return 0; |
2914 | } |
2915 | |
2916 | |
2917 | |
2918 | /* |
2919 | * Internal utility routines. |
2920 | */ |
2921 | |
2922 | |
2923 | |
2924 | #ifndef yytext_ptr |
2925 | static void yy_flex_strncpy (char* s1, const char * s2, int n , yyscan_t yyscanner) |
2926 | { |
2927 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2928 | (void)yyg; |
2929 | |
2930 | int i; |
2931 | for ( i = 0; i < n; ++i ) |
2932 | s1[i] = s2[i]; |
2933 | } |
2934 | #endif |
2935 | |
2936 | |
2937 | |
2938 | #ifdef YY_NEED_STRLEN |
2939 | static int yy_flex_strlen (const char * s , yyscan_t yyscanner) |
2940 | { |
2941 | int n; |
2942 | for ( n = 0; s[n]; ++n ) |
2943 | ; |
2944 | |
2945 | return n; |
2946 | } |
2947 | #endif |
2948 | |
2949 | |
2950 | |
2951 | void *yyalloc (yy_size_t size , yyscan_t yyscanner) |
2952 | { |
2953 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2954 | (void)yyg; |
2955 | return malloc(size); |
2956 | } |
2957 | |
2958 | |
2959 | |
2960 | void *yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner) |
2961 | { |
2962 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2963 | (void)yyg; |
2964 | |
2965 | /* The cast to (char *) in the following accommodates both |
2966 | * implementations that use char* generic pointers, and those |
2967 | * that use void* generic pointers. It works with the latter |
2968 | * because both ANSI C and C++ allow castless assignment from |
2969 | * any pointer type to void*, and deal with argument conversions |
2970 | * as though doing an assignment. |
2971 | */ |
2972 | return realloc(ptr, size); |
2973 | } |
2974 | |
2975 | |
2976 | |
2977 | void yyfree (void * ptr , yyscan_t yyscanner) |
2978 | { |
2979 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
2980 | (void)yyg; |
2981 | free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ |
2982 | } |
2983 | |
2984 | |
2985 | #define YYTABLES_NAME "yytables" |
2986 | |
2987 | |
2988 | |
2989 | |
2990 | |
2991 | |
2992 | |
2993 | |
2994 | namespace pp { |
2995 | |
2996 | Tokenizer::Tokenizer(Diagnostics *diagnostics) : mHandle(nullptr), mMaxTokenSize(1024) |
2997 | { |
2998 | mContext.diagnostics = diagnostics; |
2999 | } |
3000 | |
3001 | Tokenizer::~Tokenizer() |
3002 | { |
3003 | destroyScanner(); |
3004 | } |
3005 | |
3006 | bool Tokenizer::init(size_t count, const char * const string[], const int length[]) |
3007 | { |
3008 | if ((count > 0) && (string == 0)) |
3009 | return false; |
3010 | |
3011 | mContext.input = Input(count, string, length); |
3012 | return initScanner(); |
3013 | } |
3014 | |
3015 | void Tokenizer::setFileNumber(int file) |
3016 | { |
3017 | // We use column number as file number. |
3018 | // See macro yyfileno. |
3019 | yyset_column(file, mHandle); |
3020 | } |
3021 | |
3022 | void Tokenizer::setLineNumber(int line) |
3023 | { |
3024 | yyset_lineno(line, mHandle); |
3025 | } |
3026 | |
3027 | void Tokenizer::setMaxTokenSize(size_t maxTokenSize) |
3028 | { |
3029 | mMaxTokenSize = maxTokenSize; |
3030 | } |
3031 | |
3032 | void Tokenizer::lex(Token *token) |
3033 | { |
3034 | int tokenType = yylex(&token->text, &token->location, mHandle); |
3035 | |
3036 | if (tokenType == Token::GOT_ERROR) |
3037 | { |
3038 | mContext.diagnostics->report(Diagnostics::PP_TOKENIZER_ERROR, token->location, token->text); |
3039 | token->type = Token::LAST; |
3040 | } |
3041 | else |
3042 | { |
3043 | token->type = tokenType; |
3044 | } |
3045 | |
3046 | if (token->text.size() > mMaxTokenSize) |
3047 | { |
3048 | mContext.diagnostics->report(Diagnostics::PP_TOKEN_TOO_LONG, |
3049 | token->location, token->text); |
3050 | token->text.erase(mMaxTokenSize); |
3051 | } |
3052 | |
3053 | token->flags = 0; |
3054 | |
3055 | token->setAtStartOfLine(mContext.lineStart); |
3056 | mContext.lineStart = token->type == '\n'; |
3057 | |
3058 | token->setHasLeadingSpace(mContext.leadingSpace); |
3059 | mContext.leadingSpace = false; |
3060 | } |
3061 | |
3062 | bool Tokenizer::initScanner() |
3063 | { |
3064 | if ((mHandle == nullptr) && yylex_init_extra(&mContext, &mHandle)) |
3065 | return false; |
3066 | |
3067 | yyrestart(0, mHandle); |
3068 | return true; |
3069 | } |
3070 | |
3071 | void Tokenizer::destroyScanner() |
3072 | { |
3073 | if (mHandle == nullptr) |
3074 | return; |
3075 | |
3076 | yylex_destroy(mHandle); |
3077 | mHandle = nullptr; |
3078 | } |
3079 | |
3080 | } // namespace pp |
3081 | |
3082 | |
3083 | |