1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
|
#ifndef ONIGMO_REGINT_H
#define ONIGMO_REGINT_H
/**********************************************************************
regint.h - Onigmo (Oniguruma-mod) (regular expression library)
**********************************************************************/
/*-
* Copyright (c) 2002-2013 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* Copyright (c) 2011-2016 K.Takata <kentkt AT csc DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* for debug */
/* #define ONIG_DEBUG_PARSE_TREE */
/* #define ONIG_DEBUG_COMPILE */
/* #define ONIG_DEBUG_SEARCH */
/* #define ONIG_DEBUG_MATCH */
/* #define ONIG_DEBUG_MEMLEAK */
/* #define ONIG_DONT_OPTIMIZE */
/* for byte-code statistical data. */
/* #define ONIG_DEBUG_STATISTICS */
#if defined(ONIG_DEBUG_PARSE_TREE) || defined(ONIG_DEBUG_MATCH) || \
defined(ONIG_DEBUG_SEARCH) || defined(ONIG_DEBUG_COMPILE) || \
defined(ONIG_DEBUG_STATISTICS) || defined(ONIG_DEBUG_MEMLEAK)
# ifndef ONIG_DEBUG
# define ONIG_DEBUG
# endif
#endif
#ifndef UNALIGNED_WORD_ACCESS
# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
defined(__powerpc64__) || \
defined(__mc68020__)
# define UNALIGNED_WORD_ACCESS 1
# else
# define UNALIGNED_WORD_ACCESS 0
# endif
#endif
#if UNALIGNED_WORD_ACCESS
# define PLATFORM_UNALIGNED_WORD_ACCESS
#endif
/* config */
/* spec. config */
#define USE_NAMED_GROUP
#define USE_SUBEXP_CALL
#define USE_PERL_SUBEXP_CALL
#define USE_CAPITAL_P_NAMED_GROUP
#define USE_BACKREF_WITH_LEVEL /* \k<name+n>, \k<name-n> */
#define USE_MONOMANIAC_CHECK_CAPTURES_IN_ENDLESS_REPEAT /* /(?:()|())*\2/ */
#define USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE /* /\n$/ =~ "\n" */
#define USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
/* !!! moved to regenc.h. */ /* #define USE_CRNL_AS_LINE_TERMINATOR */
#define USE_NO_INVALID_QUANTIFIER
/* internal config */
/* #define USE_OP_PUSH_OR_JUMP_EXACT */
#define USE_QTFR_PEEK_NEXT
#define USE_ST_LIBRARY
#define USE_SUNDAY_QUICK_SEARCH
#define INIT_MATCH_STACK_SIZE 160
#define DEFAULT_MATCH_STACK_LIMIT_SIZE 0 /* unlimited */
#define DEFAULT_PARSE_DEPTH_LIMIT 4096
#define OPT_EXACT_MAXLEN 24
/* check config */
#if defined(USE_PERL_SUBEXP_CALL) || defined(USE_CAPITAL_P_NAMED_GROUP)
# if !defined(USE_NAMED_GROUP) || !defined(USE_SUBEXP_CALL)
# error USE_NAMED_GROUP and USE_SUBEXP_CALL must be defined.
# endif
#endif
#if defined(__GNUC__)
# define ARG_UNUSED __attribute__ ((unused))
#else
# define ARG_UNUSED
#endif
#if !defined(RUBY) && defined(RUBY_EXPORT)
# define RUBY
#endif
#ifdef RUBY
# ifndef RUBY_DEFINES_H
# include "ruby/ruby.h"
# undef xmalloc
# undef xrealloc
# undef xcalloc
# undef xfree
# endif
#else /* RUBY */
# include "config.h"
# if SIZEOF_LONG_LONG > 0
# define LONG_LONG long long
# endif
#endif /* RUBY */
#include <stdarg.h>
/* */
/* escape other system UChar definition */
#ifdef ONIG_ESCAPE_UCHAR_COLLISION
# undef ONIG_ESCAPE_UCHAR_COLLISION
#endif
#define USE_WORD_BEGIN_END /* "\<": word-begin, "\>": word-end */
#ifdef RUBY
# undef USE_CAPTURE_HISTORY
#else
# define USE_CAPTURE_HISTORY
#endif
#define USE_VARIABLE_META_CHARS
#define USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
/* #define USE_COMBINATION_EXPLOSION_CHECK */ /* (X*)* */
#ifndef xmalloc
# define xmalloc malloc
# define xrealloc realloc
# define xcalloc calloc
# define xfree free
#endif
#ifdef RUBY
# define CHECK_INTERRUPT_IN_MATCH_AT rb_thread_check_ints()
# define onig_st_init_table st_init_table
# define onig_st_init_table_with_size st_init_table_with_size
# define onig_st_init_numtable st_init_numtable
# define onig_st_init_numtable_with_size st_init_numtable_with_size
# define onig_st_init_strtable st_init_strtable
# define onig_st_init_strtable_with_size st_init_strtable_with_size
# define onig_st_delete st_delete
# define onig_st_delete_safe st_delete_safe
# define onig_st_insert st_insert
# define onig_st_lookup st_lookup
# define onig_st_foreach st_foreach
# define onig_st_add_direct st_add_direct
# define onig_st_free_table st_free_table
# define onig_st_cleanup_safe st_cleanup_safe
# define onig_st_copy st_copy
# define onig_st_nothing_key_clone st_nothing_key_clone
# define onig_st_nothing_key_free st_nothing_key_free
# define onig_st_is_member st_is_member
# define USE_UPPER_CASE_TABLE
#else /* RUBY */
# define CHECK_INTERRUPT_IN_MATCH_AT
# define st_init_table onig_st_init_table
# define st_init_table_with_size onig_st_init_table_with_size
# define st_init_numtable onig_st_init_numtable
# define st_init_numtable_with_size onig_st_init_numtable_with_size
# define st_init_strtable onig_st_init_strtable
# define st_init_strtable_with_size onig_st_init_strtable_with_size
# define st_delete onig_st_delete
# define st_delete_safe onig_st_delete_safe
# define st_insert onig_st_insert
# define st_lookup onig_st_lookup
# define st_foreach onig_st_foreach
# define st_add_direct onig_st_add_direct
# define st_free_table onig_st_free_table
# define st_cleanup_safe onig_st_cleanup_safe
# define st_copy onig_st_copy
# define st_nothing_key_clone onig_st_nothing_key_clone
# define st_nothing_key_free onig_st_nothing_key_free
/* */
# define onig_st_is_member st_is_member
#endif /* RUBY */
#define STATE_CHECK_STRING_THRESHOLD_LEN 7
#define STATE_CHECK_BUFF_MAX_SIZE 0x4000
#define xmemset memset
#define xmemcpy memcpy
#define xmemmove memmove
#if ((defined(RUBY_MSVCRT_VERSION) && RUBY_MSVCRT_VERSION >= 90) \
|| (!defined(RUBY_MSVCRT_VERSION) && defined(_WIN32))) \
&& !defined(__GNUC__)
# define xalloca _alloca
# define xvsnprintf(buf,size,fmt,args) _vsnprintf_s(buf,size,_TRUNCATE,fmt,args)
# define xsnprintf sprintf_s
# define xstrcat(dest,src,size) strcat_s(dest,size,src)
#else
# define xalloca alloca
# define xvsnprintf vsnprintf
# define xsnprintf snprintf
# define xstrcat(dest,src,size) strcat(dest,src)
#endif
#if defined(ONIG_DEBUG_MEMLEAK) && defined(_MSC_VER)
# define _CRTDBG_MAP_ALLOC
# include <malloc.h>
# include <crtdbg.h>
#endif
#include <stdlib.h>
#if defined(HAVE_ALLOCA_H) && (defined(_AIX) || !defined(__GNUC__))
# include <alloca.h>
#endif
#include <string.h>
#include <ctype.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#include <stddef.h>
#ifdef _WIN32
# include <malloc.h> /* for alloca() */
#endif
#ifdef ONIG_DEBUG
# include <stdio.h>
#endif
#ifdef _WIN32
# if defined(_MSC_VER) && (_MSC_VER < 1300)
# ifndef _INTPTR_T_DEFINED
# define _INTPTR_T_DEFINED
typedef int intptr_t;
# endif
# ifndef _UINTPTR_T_DEFINED
# define _UINTPTR_T_DEFINED
typedef unsigned int uintptr_t;
# endif
# endif
#endif /* _WIN32 */
#ifndef PRIdPTR
# ifdef _WIN64
# define PRIdPTR "I64d"
# define PRIuPTR "I64u"
# define PRIxPTR "I64x"
# else
# define PRIdPTR "ld"
# define PRIuPTR "lu"
# define PRIxPTR "lx"
# endif
#endif
#ifndef PRIdPTRDIFF
# define PRIdPTRDIFF PRIdPTR
#endif
#include "regenc.h"
RUBY_SYMBOL_EXPORT_BEGIN
#ifdef MIN
# undef MIN
#endif
#ifdef MAX
# undef MAX
#endif
#define MIN(a,b) (((a)>(b))?(b):(a))
#define MAX(a,b) (((a)<(b))?(b):(a))
#define IS_NULL(p) (((void*)(p)) == (void*)0)
#define IS_NOT_NULL(p) (((void*)(p)) != (void*)0)
#define CHECK_NULL_RETURN(p) if (IS_NULL(p)) return NULL
#define CHECK_NULL_RETURN_MEMERR(p) if (IS_NULL(p)) return ONIGERR_MEMORY
#define NULL_UCHARP ((UChar* )0)
#define ONIG_LAST_CODE_POINT (~((OnigCodePoint )0))
#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
# define PLATFORM_GET_INC(val,p,type) do{\
val = *(type* )p;\
(p) += sizeof(type);\
} while(0)
#else
# define PLATFORM_GET_INC(val,p,type) do{\
xmemcpy(&val, (p), sizeof(type));\
(p) += sizeof(type);\
} while(0)
/* sizeof(OnigCodePoint) */
# define WORD_ALIGNMENT_SIZE SIZEOF_LONG
# define GET_ALIGNMENT_PAD_SIZE(addr,pad_size) do {\
(pad_size) = WORD_ALIGNMENT_SIZE \
- ((uintptr_t )(addr) % WORD_ALIGNMENT_SIZE);\
if ((pad_size) == WORD_ALIGNMENT_SIZE) (pad_size) = 0;\
} while (0)
# define ALIGNMENT_RIGHT(addr) do {\
(addr) += (WORD_ALIGNMENT_SIZE - 1);\
(addr) -= ((uintptr_t )(addr) % WORD_ALIGNMENT_SIZE);\
} while (0)
#endif /* PLATFORM_UNALIGNED_WORD_ACCESS */
/* stack pop level */
#define STACK_POP_LEVEL_FREE 0
#define STACK_POP_LEVEL_MEM_START 1
#define STACK_POP_LEVEL_ALL 2
/* optimize flags */
#define ONIG_OPTIMIZE_NONE 0
#define ONIG_OPTIMIZE_EXACT 1 /* Slow Search */
#define ONIG_OPTIMIZE_EXACT_BM 2 /* Boyer Moore Search */
#define ONIG_OPTIMIZE_EXACT_BM_NOT_REV 3 /* BM (applied to a multibyte string) */
#define ONIG_OPTIMIZE_EXACT_IC 4 /* Slow Search (ignore case) */
#define ONIG_OPTIMIZE_MAP 5 /* char map */
#define ONIG_OPTIMIZE_EXACT_BM_IC 6 /* BM (ignore case) */
#define ONIG_OPTIMIZE_EXACT_BM_NOT_REV_IC 7 /* BM (applied to a multibyte string) (ignore case) */
/* bit status */
typedef unsigned int BitStatusType;
#define BIT_STATUS_BITS_NUM (sizeof(BitStatusType) * 8)
#define BIT_STATUS_CLEAR(stats) (stats) = 0
#define BIT_STATUS_ON_ALL(stats) (stats) = ~((BitStatusType )0)
#define BIT_STATUS_AT(stats,n) \
((n) < (int )BIT_STATUS_BITS_NUM ? ((stats) & ((BitStatusType )1 << n)) : ((stats) & 1))
#define BIT_STATUS_ON_AT(stats,n) do {\
if ((n) < (int )BIT_STATUS_BITS_NUM)\
(stats) |= (1 << (n));\
else\
(stats) |= 1;\
} while (0)
#define BIT_STATUS_ON_AT_SIMPLE(stats,n) do {\
if ((n) < (int )BIT_STATUS_BITS_NUM)\
(stats) |= (1 << (n));\
} while (0)
#define INT_MAX_LIMIT ((1UL << (SIZEOF_INT * 8 - 1)) - 1)
#define DIGITVAL(code) ((code) - '0')
#define ODIGITVAL(code) DIGITVAL(code)
#define XDIGITVAL(enc,code) \
(ONIGENC_IS_CODE_DIGIT(enc,code) ? DIGITVAL(code) \
: (ONIGENC_IS_CODE_UPPER(enc,code) ? (code) - 'A' + 10 : (code) - 'a' + 10))
#define IS_SINGLELINE(option) ((option) & ONIG_OPTION_SINGLELINE)
#define IS_MULTILINE(option) ((option) & ONIG_OPTION_MULTILINE)
#define IS_IGNORECASE(option) ((option) & ONIG_OPTION_IGNORECASE)
#define IS_EXTEND(option) ((option) & ONIG_OPTION_EXTEND)
#define IS_FIND_LONGEST(option) ((option) & ONIG_OPTION_FIND_LONGEST)
#define IS_FIND_NOT_EMPTY(option) ((option) & ONIG_OPTION_FIND_NOT_EMPTY)
#define IS_FIND_CONDITION(option) ((option) & \
(ONIG_OPTION_FIND_LONGEST | ONIG_OPTION_FIND_NOT_EMPTY))
#define IS_NOTBOL(option) ((option) & ONIG_OPTION_NOTBOL)
#define IS_NOTEOL(option) ((option) & ONIG_OPTION_NOTEOL)
#define IS_NOTBOS(option) ((option) & ONIG_OPTION_NOTBOS)
#define IS_NOTEOS(option) ((option) & ONIG_OPTION_NOTEOS)
#define IS_ASCII_RANGE(option) ((option) & ONIG_OPTION_ASCII_RANGE)
#define IS_POSIX_BRACKET_ALL_RANGE(option) ((option) & ONIG_OPTION_POSIX_BRACKET_ALL_RANGE)
#define IS_WORD_BOUND_ALL_RANGE(option) ((option) & ONIG_OPTION_WORD_BOUND_ALL_RANGE)
#define IS_NEWLINE_CRLF(option) ((option) & ONIG_OPTION_NEWLINE_CRLF)
/* OP_SET_OPTION is required for these options.
#define IS_DYNAMIC_OPTION(option) \
(((option) & (ONIG_OPTION_MULTILINE | ONIG_OPTION_IGNORECASE)) != 0)
*/
/* ignore-case and multibyte status are included in compiled code. */
#define IS_DYNAMIC_OPTION(option) 0
#define DISABLE_CASE_FOLD_MULTI_CHAR(case_fold_flag) \
((case_fold_flag) & ~INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR)
#define REPEAT_INFINITE -1
#define IS_REPEAT_INFINITE(n) ((n) == REPEAT_INFINITE)
/* bitset */
#define BITS_PER_BYTE 8
#define SINGLE_BYTE_SIZE (1 << BITS_PER_BYTE)
#define BITS_IN_ROOM ((int )sizeof(Bits) * BITS_PER_BYTE)
#define BITSET_SIZE (SINGLE_BYTE_SIZE / BITS_IN_ROOM)
#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
typedef unsigned int Bits;
#else
typedef unsigned char Bits;
#endif
typedef Bits BitSet[BITSET_SIZE];
typedef Bits* BitSetRef;
#define SIZE_BITSET (int )sizeof(BitSet)
#define BITSET_CLEAR(bs) do {\
int i;\
for (i = 0; i < BITSET_SIZE; i++) { (bs)[i] = 0; } \
} while (0)
#define BS_ROOM(bs,pos) (bs)[(int )(pos) / BITS_IN_ROOM]
#define BS_BIT(pos) (1U << ((int )(pos) % BITS_IN_ROOM))
#define BITSET_AT(bs, pos) (BS_ROOM(bs,pos) & BS_BIT(pos))
#define BITSET_SET_BIT(bs, pos) BS_ROOM(bs,pos) |= BS_BIT(pos)
#define BITSET_CLEAR_BIT(bs, pos) BS_ROOM(bs,pos) &= ~(BS_BIT(pos))
#define BITSET_INVERT_BIT(bs, pos) BS_ROOM(bs,pos) ^= BS_BIT(pos)
/* bytes buffer */
typedef struct _BBuf {
UChar* p;
unsigned int used;
unsigned int alloc;
} BBuf;
#define BBUF_INIT(buf,size) onig_bbuf_init((BBuf* )(buf), (size))
#define BBUF_SIZE_INC(buf,inc) do{\
UChar *tmp;\
(buf)->alloc += (inc);\
tmp = (UChar* )xrealloc((buf)->p, (buf)->alloc);\
if (IS_NULL(tmp)) return(ONIGERR_MEMORY);\
(buf)->p = tmp;\
} while (0)
#define BBUF_EXPAND(buf,low) do{\
UChar *tmp;\
do { (buf)->alloc *= 2; } while ((buf)->alloc < (unsigned int )low);\
tmp = (UChar* )xrealloc((buf)->p, (buf)->alloc);\
if (IS_NULL(tmp)) return(ONIGERR_MEMORY);\
(buf)->p = tmp;\
} while (0)
#define BBUF_ENSURE_SIZE(buf,size) do{\
unsigned int new_alloc = (buf)->alloc;\
while (new_alloc < (unsigned int )(size)) { new_alloc *= 2; }\
if ((buf)->alloc != new_alloc) {\
UChar *tmp;\
tmp = (UChar* )xrealloc((buf)->p, new_alloc);\
if (IS_NULL(tmp)) return(ONIGERR_MEMORY);\
(buf)->p = tmp;\
(buf)->alloc = new_alloc;\
}\
} while (0)
#define BBUF_WRITE(buf,pos,bytes,n) do{\
int used = (pos) + (int )(n);\
if ((buf)->alloc < (unsigned int )used) BBUF_EXPAND((buf),used);\
xmemcpy((buf)->p + (pos), (bytes), (n));\
if ((buf)->used < (unsigned int )used) (buf)->used = used;\
} while (0)
#define BBUF_WRITE1(buf,pos,byte) do{\
int used = (pos) + 1;\
if ((buf)->alloc < (unsigned int )used) BBUF_EXPAND((buf),used);\
(buf)->p[(pos)] = (UChar )(byte);\
if ((buf)->used < (unsigned int )used) (buf)->used = used;\
} while (0)
#define BBUF_ADD(buf,bytes,n) BBUF_WRITE((buf),(buf)->used,(bytes),(n))
#define BBUF_ADD1(buf,byte) BBUF_WRITE1((buf),(buf)->used,(byte))
#define BBUF_GET_ADD_ADDRESS(buf) ((buf)->p + (buf)->used)
#define BBUF_GET_OFFSET_POS(buf) ((buf)->used)
/* from < to */
#define BBUF_MOVE_RIGHT(buf,from,to,n) do {\
if ((unsigned int )((to)+(n)) > (buf)->alloc) BBUF_EXPAND((buf),(to) + (n));\
xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
if ((unsigned int )((to)+(n)) > (buf)->used) (buf)->used = (to) + (n);\
} while (0)
/* from > to */
#define BBUF_MOVE_LEFT(buf,from,to,n) do {\
xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
} while (0)
/* from > to */
#define BBUF_MOVE_LEFT_REDUCE(buf,from,to) do {\
xmemmove((buf)->p + (to), (buf)->p + (from), (buf)->used - (from));\
(buf)->used -= (from - to);\
} while (0)
#define BBUF_INSERT(buf,pos,bytes,n) do {\
if (pos >= (buf)->used) {\
BBUF_WRITE(buf,pos,bytes,n);\
}\
else {\
BBUF_MOVE_RIGHT((buf),(pos),(pos) + (n),((buf)->used - (pos)));\
xmemcpy((buf)->p + (pos), (bytes), (n));\
}\
} while (0)
#define BBUF_GET_BYTE(buf, pos) (buf)->p[(pos)]
#define ANCHOR_BEGIN_BUF (1<<0)
#define ANCHOR_BEGIN_LINE (1<<1)
#define ANCHOR_BEGIN_POSITION (1<<2)
#define ANCHOR_END_BUF (1<<3)
#define ANCHOR_SEMI_END_BUF (1<<4)
#define ANCHOR_END_LINE (1<<5)
#define ANCHOR_WORD_BOUND (1<<6)
#define ANCHOR_NOT_WORD_BOUND (1<<7)
#define ANCHOR_WORD_BEGIN (1<<8)
#define ANCHOR_WORD_END (1<<9)
#define ANCHOR_PREC_READ (1<<10)
#define ANCHOR_PREC_READ_NOT (1<<11)
#define ANCHOR_LOOK_BEHIND (1<<12)
#define ANCHOR_LOOK_BEHIND_NOT (1<<13)
#define ANCHOR_ANYCHAR_STAR (1<<14) /* ".*" optimize info */
#define ANCHOR_ANYCHAR_STAR_ML (1<<15) /* ".*" optimize info (multi-line) */
#define ANCHOR_KEEP (1<<16)
/* operation code */
enum OpCode {
OP_FINISH = 0, /* matching process terminator (no more alternative) */
OP_END = 1, /* pattern code terminator (success end) */
OP_EXACT1 = 2, /* single byte, N = 1 */
OP_EXACT2, /* single byte, N = 2 */
OP_EXACT3, /* single byte, N = 3 */
OP_EXACT4, /* single byte, N = 4 */
OP_EXACT5, /* single byte, N = 5 */
OP_EXACTN, /* single byte */
OP_EXACTMB2N1, /* mb-length = 2 N = 1 */
OP_EXACTMB2N2, /* mb-length = 2 N = 2 */
OP_EXACTMB2N3, /* mb-length = 2 N = 3 */
OP_EXACTMB2N, /* mb-length = 2 */
OP_EXACTMB3N, /* mb-length = 3 */
OP_EXACTMBN, /* other length */
OP_EXACT1_IC, /* single byte, N = 1, ignore case */
OP_EXACTN_IC, /* single byte, ignore case */
OP_CCLASS,
OP_CCLASS_MB,
OP_CCLASS_MIX,
OP_CCLASS_NOT,
OP_CCLASS_MB_NOT,
OP_CCLASS_MIX_NOT,
OP_ANYCHAR, /* "." */
OP_ANYCHAR_ML, /* "." multi-line */
OP_ANYCHAR_STAR, /* ".*" */
OP_ANYCHAR_ML_STAR, /* ".*" multi-line */
OP_ANYCHAR_STAR_PEEK_NEXT,
OP_ANYCHAR_ML_STAR_PEEK_NEXT,
OP_WORD,
OP_NOT_WORD,
OP_WORD_BOUND,
OP_NOT_WORD_BOUND,
OP_WORD_BEGIN,
OP_WORD_END,
OP_ASCII_WORD,
OP_NOT_ASCII_WORD,
OP_ASCII_WORD_BOUND,
OP_NOT_ASCII_WORD_BOUND,
OP_ASCII_WORD_BEGIN,
OP_ASCII_WORD_END,
OP_BEGIN_BUF,
OP_END_BUF,
OP_BEGIN_LINE,
OP_END_LINE,
OP_SEMI_END_BUF,
OP_BEGIN_POSITION,
OP_BACKREF1,
OP_BACKREF2,
OP_BACKREFN,
OP_BACKREFN_IC,
OP_BACKREF_MULTI,
OP_BACKREF_MULTI_IC,
OP_BACKREF_WITH_LEVEL, /* \k<xxx+n>, \k<xxx-n> */
OP_MEMORY_START,
OP_MEMORY_START_PUSH, /* push back-tracker to stack */
OP_MEMORY_END_PUSH, /* push back-tracker to stack */
OP_MEMORY_END_PUSH_REC, /* push back-tracker to stack */
OP_MEMORY_END,
OP_MEMORY_END_REC, /* push marker to stack */
OP_KEEP,
OP_FAIL, /* pop stack and move */
OP_JUMP,
OP_PUSH,
OP_POP,
OP_PUSH_OR_JUMP_EXACT1, /* if match exact then push, else jump. */
OP_PUSH_IF_PEEK_NEXT, /* if match exact then push, else none. */
OP_REPEAT, /* {n,m} */
OP_REPEAT_NG, /* {n,m}? (non greedy) */
OP_REPEAT_INC,
OP_REPEAT_INC_NG, /* non greedy */
OP_REPEAT_INC_SG, /* search and get in stack */
OP_REPEAT_INC_NG_SG, /* search and get in stack (non greedy) */
OP_NULL_CHECK_START, /* null loop checker start */
OP_NULL_CHECK_END, /* null loop checker end */
OP_NULL_CHECK_END_MEMST, /* null loop checker end (with capture status) */
OP_NULL_CHECK_END_MEMST_PUSH, /* with capture status and push check-end */
OP_PUSH_POS, /* (?=...) start */
OP_POP_POS, /* (?=...) end */
OP_PUSH_POS_NOT, /* (?!...) start */
OP_FAIL_POS, /* (?!...) end */
OP_PUSH_STOP_BT, /* (?>...) start */
OP_POP_STOP_BT, /* (?>...) end */
OP_LOOK_BEHIND, /* (?<=...) start (no needs end opcode) */
OP_PUSH_LOOK_BEHIND_NOT, /* (?<!...) start */
OP_FAIL_LOOK_BEHIND_NOT, /* (?<!...) end */
OP_PUSH_ABSENT_POS, /* (?~...) start */
OP_ABSENT, /* (?~...) start of inner loop */
OP_ABSENT_END, /* (?~...) end */
OP_CALL, /* \g<name> */
OP_RETURN,
OP_CONDITION,
OP_STATE_CHECK_PUSH, /* combination explosion check and push */
OP_STATE_CHECK_PUSH_OR_JUMP, /* check ok -> push, else jump */
OP_STATE_CHECK, /* check only */
OP_STATE_CHECK_ANYCHAR_STAR,
OP_STATE_CHECK_ANYCHAR_ML_STAR,
/* no need: IS_DYNAMIC_OPTION() == 0 */
OP_SET_OPTION_PUSH, /* set option and push recover option */
OP_SET_OPTION /* set option */
};
typedef int RelAddrType;
typedef int AbsAddrType;
typedef int LengthType;
typedef int RepeatNumType;
typedef short int MemNumType;
typedef short int StateCheckNumType;
typedef void* PointerType;
#define SIZE_OPCODE 1
#define SIZE_RELADDR (int )sizeof(RelAddrType)
#define SIZE_ABSADDR (int )sizeof(AbsAddrType)
#define SIZE_LENGTH (int )sizeof(LengthType)
#define SIZE_MEMNUM (int )sizeof(MemNumType)
#define SIZE_STATE_CHECK_NUM (int )sizeof(StateCheckNumType)
#define SIZE_REPEATNUM (int )sizeof(RepeatNumType)
#define SIZE_OPTION (int )sizeof(OnigOptionType)
#define SIZE_CODE_POINT (int )sizeof(OnigCodePoint)
#define SIZE_POINTER (int )sizeof(PointerType)
#define GET_RELADDR_INC(addr,p) PLATFORM_GET_INC(addr, p, RelAddrType)
#define GET_ABSADDR_INC(addr,p) PLATFORM_GET_INC(addr, p, AbsAddrType)
#define GET_LENGTH_INC(len,p) PLATFORM_GET_INC(len, p, LengthType)
#define GET_MEMNUM_INC(num,p) PLATFORM_GET_INC(num, p, MemNumType)
#define GET_REPEATNUM_INC(num,p) PLATFORM_GET_INC(num, p, RepeatNumType)
#define GET_OPTION_INC(option,p) PLATFORM_GET_INC(option, p, OnigOptionType)
#define GET_POINTER_INC(ptr,p) PLATFORM_GET_INC(ptr, p, PointerType)
#define GET_STATE_CHECK_NUM_INC(num,p) PLATFORM_GET_INC(num, p, StateCheckNumType)
/* code point's address must be aligned address. */
#define GET_CODE_POINT(code,p) code = *((OnigCodePoint* )(p))
#define GET_BYTE_INC(byte,p) do{\
byte = *(p);\
(p)++;\
} while(0)
/* op-code + arg size */
#define SIZE_OP_ANYCHAR_STAR SIZE_OPCODE
#define SIZE_OP_ANYCHAR_STAR_PEEK_NEXT (SIZE_OPCODE + 1)
#define SIZE_OP_JUMP (SIZE_OPCODE + SIZE_RELADDR)
#define SIZE_OP_PUSH (SIZE_OPCODE + SIZE_RELADDR)
#define SIZE_OP_POP SIZE_OPCODE
#define SIZE_OP_PUSH_OR_JUMP_EXACT1 (SIZE_OPCODE + SIZE_RELADDR + 1)
#define SIZE_OP_PUSH_IF_PEEK_NEXT (SIZE_OPCODE + SIZE_RELADDR + 1)
#define SIZE_OP_REPEAT_INC (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_REPEAT_INC_NG (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_PUSH_POS SIZE_OPCODE
#define SIZE_OP_PUSH_POS_NOT (SIZE_OPCODE + SIZE_RELADDR)
#define SIZE_OP_POP_POS SIZE_OPCODE
#define SIZE_OP_FAIL_POS SIZE_OPCODE
#define SIZE_OP_SET_OPTION (SIZE_OPCODE + SIZE_OPTION)
#define SIZE_OP_SET_OPTION_PUSH (SIZE_OPCODE + SIZE_OPTION)
#define SIZE_OP_FAIL SIZE_OPCODE
#define SIZE_OP_MEMORY_START (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_MEMORY_START_PUSH (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_MEMORY_END_PUSH (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_MEMORY_END_PUSH_REC (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_MEMORY_END (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_MEMORY_END_REC (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_PUSH_STOP_BT SIZE_OPCODE
#define SIZE_OP_POP_STOP_BT SIZE_OPCODE
#define SIZE_OP_NULL_CHECK_START (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_NULL_CHECK_END (SIZE_OPCODE + SIZE_MEMNUM)
#define SIZE_OP_LOOK_BEHIND (SIZE_OPCODE + SIZE_LENGTH)
#define SIZE_OP_PUSH_LOOK_BEHIND_NOT (SIZE_OPCODE + SIZE_RELADDR + SIZE_LENGTH)
#define SIZE_OP_FAIL_LOOK_BEHIND_NOT SIZE_OPCODE
#define SIZE_OP_CALL (SIZE_OPCODE + SIZE_ABSADDR)
#define SIZE_OP_RETURN SIZE_OPCODE
#define SIZE_OP_CONDITION (SIZE_OPCODE + SIZE_MEMNUM + SIZE_RELADDR)
#define SIZE_OP_PUSH_ABSENT_POS SIZE_OPCODE
#define SIZE_OP_ABSENT (SIZE_OPCODE + SIZE_RELADDR)
#define SIZE_OP_ABSENT_END SIZE_OPCODE
#ifdef USE_COMBINATION_EXPLOSION_CHECK
# define SIZE_OP_STATE_CHECK (SIZE_OPCODE + SIZE_STATE_CHECK_NUM)
# define SIZE_OP_STATE_CHECK_PUSH (SIZE_OPCODE + SIZE_STATE_CHECK_NUM + SIZE_RELADDR)
# define SIZE_OP_STATE_CHECK_PUSH_OR_JUMP (SIZE_OPCODE + SIZE_STATE_CHECK_NUM + SIZE_RELADDR)
# define SIZE_OP_STATE_CHECK_ANYCHAR_STAR (SIZE_OPCODE + SIZE_STATE_CHECK_NUM)
#endif
#define MC_ESC(syn) (syn)->meta_char_table.esc
#define MC_ANYCHAR(syn) (syn)->meta_char_table.anychar
#define MC_ANYTIME(syn) (syn)->meta_char_table.anytime
#define MC_ZERO_OR_ONE_TIME(syn) (syn)->meta_char_table.zero_or_one_time
#define MC_ONE_OR_MORE_TIME(syn) (syn)->meta_char_table.one_or_more_time
#define MC_ANYCHAR_ANYTIME(syn) (syn)->meta_char_table.anychar_anytime
#define IS_MC_ESC_CODE(code, syn) \
((code) == MC_ESC(syn) && \
!IS_SYNTAX_OP2((syn), ONIG_SYN_OP2_INEFFECTIVE_ESCAPE))
#define SYN_POSIX_COMMON_OP \
( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_POSIX_BRACKET | \
ONIG_SYN_OP_DECIMAL_BACKREF | \
ONIG_SYN_OP_BRACKET_CC | ONIG_SYN_OP_ASTERISK_ZERO_INF | \
ONIG_SYN_OP_LINE_ANCHOR | \
ONIG_SYN_OP_ESC_CONTROL_CHARS )
#define SYN_GNU_REGEX_OP \
( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC | \
ONIG_SYN_OP_POSIX_BRACKET | ONIG_SYN_OP_DECIMAL_BACKREF | \
ONIG_SYN_OP_BRACE_INTERVAL | ONIG_SYN_OP_LPAREN_SUBEXP | \
ONIG_SYN_OP_VBAR_ALT | \
ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_PLUS_ONE_INF | \
ONIG_SYN_OP_QMARK_ZERO_ONE | \
ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR | ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR | \
ONIG_SYN_OP_ESC_W_WORD | \
ONIG_SYN_OP_ESC_B_WORD_BOUND | ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | \
ONIG_SYN_OP_ESC_S_WHITE_SPACE | ONIG_SYN_OP_ESC_D_DIGIT | \
ONIG_SYN_OP_LINE_ANCHOR )
#define SYN_GNU_REGEX_BV \
( ONIG_SYN_CONTEXT_INDEP_ANCHORS | ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS | \
ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS | ONIG_SYN_ALLOW_INVALID_INTERVAL | \
ONIG_SYN_BACKSLASH_ESCAPE_IN_CC | ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC )
#define NCCLASS_FLAGS(cc) ((cc)->flags)
#define NCCLASS_FLAG_SET(cc,flag) (NCCLASS_FLAGS(cc) |= (flag))
#define NCCLASS_FLAG_CLEAR(cc,flag) (NCCLASS_FLAGS(cc) &= ~(flag))
#define IS_NCCLASS_FLAG_ON(cc,flag) ((NCCLASS_FLAGS(cc) & (flag)) != 0)
/* cclass node */
#define FLAG_NCCLASS_NOT (1<<0)
#define NCCLASS_SET_NOT(nd) NCCLASS_FLAG_SET(nd, FLAG_NCCLASS_NOT)
#define NCCLASS_CLEAR_NOT(nd) NCCLASS_FLAG_CLEAR(nd, FLAG_NCCLASS_NOT)
#define IS_NCCLASS_NOT(nd) IS_NCCLASS_FLAG_ON(nd, FLAG_NCCLASS_NOT)
typedef struct {
int type;
/* struct _Node* next; */
/* unsigned int flags; */
} NodeBase;
typedef struct {
NodeBase base;
unsigned int flags;
BitSet bs;
BBuf* mbuf; /* multi-byte info or NULL */
} CClassNode;
typedef intptr_t OnigStackIndex;
typedef struct _OnigStackType {
unsigned int type;
union {
struct {
UChar *pcode; /* byte code position */
UChar *pstr; /* string position */
UChar *pstr_prev; /* previous char position of pstr */
#ifdef USE_COMBINATION_EXPLOSION_CHECK
unsigned int state_check;
#endif
UChar *pkeep; /* keep pattern position */
} state;
struct {
int count; /* for OP_REPEAT_INC, OP_REPEAT_INC_NG */
UChar *pcode; /* byte code position (head of repeated target) */
int num; /* repeat id */
} repeat;
struct {
OnigStackIndex si; /* index of stack */
} repeat_inc;
struct {
int num; /* memory num */
UChar *pstr; /* start/end position */
/* Following information is set, if this stack type is MEM-START */
OnigStackIndex start; /* prev. info (for backtrack "(...)*" ) */
OnigStackIndex end; /* prev. info (for backtrack "(...)*" ) */
} mem;
struct {
int num; /* null check id */
UChar *pstr; /* start position */
} null_check;
#ifdef USE_SUBEXP_CALL
struct {
UChar *ret_addr; /* byte code position */
int num; /* null check id */
UChar *pstr; /* string position */
} call_frame;
#endif
struct {
UChar *abs_pstr; /* absent start position */
const UChar *end_pstr; /* end position */
} absent_pos;
} u;
} OnigStackType;
typedef struct {
void* stack_p;
size_t stack_n;
OnigOptionType options;
OnigRegion* region;
const UChar* start; /* search start position */
const UChar* gpos; /* global position (for \G: BEGIN_POSITION) */
#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
OnigPosition best_len; /* for ONIG_OPTION_FIND_LONGEST */
UChar* best_s;
#endif
#ifdef USE_COMBINATION_EXPLOSION_CHECK
void* state_check_buff;
int state_check_buff_size;
#endif
} OnigMatchArg;
#define IS_CODE_SB_WORD(enc,code) \
(ONIGENC_IS_CODE_ASCII(code) && ONIGENC_IS_CODE_WORD(enc,code))
typedef struct OnigEndCallListItem {
struct OnigEndCallListItem* next;
void (*func)(void);
} OnigEndCallListItemType;
extern void onig_add_end_call(void (*func)(void));
#ifdef ONIG_DEBUG
typedef struct {
short int opcode;
const char* name;
short int arg_type;
} OnigOpInfoType;
extern OnigOpInfoType OnigOpInfo[];
extern void onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar* bpend, UChar** nextp, OnigEncoding enc);
# ifdef ONIG_DEBUG_STATISTICS
extern void onig_statistics_init(void);
extern void onig_print_statistics(FILE* f);
# endif
#endif
extern UChar* onig_error_code_to_format(OnigPosition code);
extern void onig_vsnprintf_with_pattern(UChar buf[], int bufsize, OnigEncoding enc, UChar* pat, UChar* pat_end, const UChar *fmt, va_list args);
extern void onig_snprintf_with_pattern(UChar buf[], int bufsize, OnigEncoding enc, UChar* pat, UChar* pat_end, const UChar *fmt, ...);
extern int onig_bbuf_init(BBuf* buf, OnigDistance size);
extern int onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end, OnigErrorInfo* einfo);
#ifdef RUBY
extern int onig_compile_ruby(regex_t* reg, const UChar* pattern, const UChar* pattern_end, OnigErrorInfo* einfo, const char *sourcefile, int sourceline);
#endif
extern void onig_transfer(regex_t* to, regex_t* from);
extern int onig_is_code_in_cc(OnigEncoding enc, OnigCodePoint code, CClassNode* cc);
extern int onig_is_code_in_cc_len(int enclen, OnigCodePoint code, CClassNode* cc);
/* strend hash */
typedef void hash_table_type;
#ifdef RUBY
# include "ruby/st.h"
#else
# include "st.h"
#endif
typedef st_data_t hash_data_type;
extern hash_table_type* onig_st_init_strend_table_with_size(st_index_t size);
extern int onig_st_lookup_strend(hash_table_type* table, const UChar* str_key, const UChar* end_key, hash_data_type *value);
extern int onig_st_insert_strend(hash_table_type* table, const UChar* str_key, const UChar* end_key, hash_data_type value);
#ifdef RUBY
extern size_t onig_memsize(const regex_t *reg);
extern size_t onig_region_memsize(const struct re_registers *regs);
#endif
RUBY_SYMBOL_EXPORT_END
#endif /* ONIGMO_REGINT_H */
|