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Contents of /code/trunk/src/pcre2_internal.h

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Revision 600 - (show annotations)
Sat Nov 19 12:46:24 2016 UTC (2 years, 9 months ago) by ph10
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Add PCRE2_CALL_CONVENTION into prototypes.
1 /*************************************************
2 * Perl-Compatible Regular Expressions *
3 *************************************************/
4
5 /* PCRE2 is a library of functions to support regular expressions whose syntax
6 and semantics are as close as possible to those of the Perl 5 language.
7
8 Written by Philip Hazel
9 Original API code Copyright (c) 1997-2012 University of Cambridge
10 New API code Copyright (c) 2016 University of Cambridge
11
12 -----------------------------------------------------------------------------
13 Redistribution and use in source and binary forms, with or without
14 modification, are permitted provided that the following conditions are met:
15
16 * Redistributions of source code must retain the above copyright notice,
17 this list of conditions and the following disclaimer.
18
19 * Redistributions in binary form must reproduce the above copyright
20 notice, this list of conditions and the following disclaimer in the
21 documentation and/or other materials provided with the distribution.
22
23 * Neither the name of the University of Cambridge nor the names of its
24 contributors may be used to endorse or promote products derived from
25 this software without specific prior written permission.
26
27 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
28 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
31 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 POSSIBILITY OF SUCH DAMAGE.
38 -----------------------------------------------------------------------------
39 */
40
41 /* We do not support both EBCDIC and Unicode at the same time. The "configure"
42 script prevents both being selected, but not everybody uses "configure". EBCDIC
43 is only supported for the 8-bit library, but the check for this has to be later
44 in this file, because the first part is not width-dependent, and is included by
45 pcre2test.c with CODE_UNIT_WIDTH == 0. */
46
47 #if defined EBCDIC && defined SUPPORT_UNICODE
48 #error The use of both EBCDIC and SUPPORT_UNICODE is not supported.
49 #endif
50
51 /* Standard C headers */
52
53 #include <ctype.h>
54 #include <limits.h>
55 #include <stddef.h>
56 #include <stdio.h>
57 #include <stdlib.h>
58 #include <string.h>
59
60 /* Macros to make boolean values more obvious. The #ifndef is to pacify
61 compiler warnings in environments where these macros are defined elsewhere.
62 Unfortunately, there is no way to do the same for the typedef. */
63
64 typedef int BOOL;
65 #ifndef FALSE
66 #define FALSE 0
67 #define TRUE 1
68 #endif
69
70 /* Valgrind (memcheck) support */
71
72 #ifdef SUPPORT_VALGRIND
73 #include <valgrind/memcheck.h>
74 #endif
75
76 /* Older versions of MSVC lack snprintf(). This define allows for
77 warning/error-free compilation and testing with MSVC compilers back to at least
78 MSVC 10/2010. Except for VC6 (which is missing some fundamentals and fails). */
79
80 #if defined(_MSC_VER) && (_MSC_VER < 1900)
81 #define snprintf _snprintf
82 #endif
83
84 /* When compiling a DLL for Windows, the exported symbols have to be declared
85 using some MS magic. I found some useful information on this web page:
86 http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the
87 information there, using __declspec(dllexport) without "extern" we have a
88 definition; with "extern" we have a declaration. The settings here override the
89 setting in pcre2.h (which is included below); it defines only PCRE2_EXP_DECL,
90 which is all that is needed for applications (they just import the symbols). We
91 use:
92
93 PCRE2_EXP_DECL for declarations
94 PCRE2_EXP_DEFN for definitions
95
96 The reason for wrapping this in #ifndef PCRE2_EXP_DECL is so that pcre2test,
97 which is an application, but needs to import this file in order to "peek" at
98 internals, can #include pcre2.h first to get an application's-eye view.
99
100 In principle, people compiling for non-Windows, non-Unix-like (i.e. uncommon,
101 special-purpose environments) might want to stick other stuff in front of
102 exported symbols. That's why, in the non-Windows case, we set PCRE2_EXP_DEFN
103 only if it is not already set. */
104
105 #ifndef PCRE2_EXP_DECL
106 # ifdef _WIN32
107 # ifndef PCRE2_STATIC
108 # define PCRE2_EXP_DECL extern __declspec(dllexport)
109 # define PCRE2_EXP_DEFN __declspec(dllexport)
110 # else
111 # define PCRE2_EXP_DECL extern
112 # define PCRE2_EXP_DEFN
113 # endif
114 # else
115 # ifdef __cplusplus
116 # define PCRE2_EXP_DECL extern "C"
117 # else
118 # define PCRE2_EXP_DECL extern
119 # endif
120 # ifndef PCRE2_EXP_DEFN
121 # define PCRE2_EXP_DEFN PCRE2_EXP_DECL
122 # endif
123 # endif
124 #endif
125
126 /* Include the public PCRE2 header and the definitions of UCP character
127 property values. This must follow the setting of PCRE2_EXP_DECL above. */
128
129 #include "pcre2.h"
130 #include "pcre2_ucp.h"
131
132 /* When PCRE2 is compiled as a C++ library, the subject pointer can be replaced
133 with a custom type. This makes it possible, for example, to allow pcre2_match()
134 to process subject strings that are discontinuous by using a smart pointer
135 class. It must always be possible to inspect all of the subject string in
136 pcre2_match() because of the way it backtracks. */
137
138 /* WARNING: This is as yet untested for PCRE2. */
139
140 #ifdef CUSTOM_SUBJECT_PTR
141 #undef PCRE2_SPTR
142 #define PCRE2_SPTR CUSTOM_SUBJECT_PTR
143 #endif
144
145 /* When checking for integer overflow in pcre2_compile(), we need to handle
146 large integers. If a 64-bit integer type is available, we can use that.
147 Otherwise we have to cast to double, which of course requires floating point
148 arithmetic. Handle this by defining a macro for the appropriate type. If
149 stdint.h is available, include it; it may define INT64_MAX. Systems that do not
150 have stdint.h (e.g. Solaris) may have inttypes.h. The macro int64_t may be set
151 by "configure". */
152
153 #if defined HAVE_STDINT_H
154 #include <stdint.h>
155 #elif defined HAVE_INTTYPES_H
156 #include <inttypes.h>
157 #endif
158
159 #if defined INT64_MAX || defined int64_t
160 #define INT64_OR_DOUBLE int64_t
161 #else
162 #define INT64_OR_DOUBLE double
163 #endif
164
165 /* When compiling for use with the Virtual Pascal compiler, these functions
166 need to have their names changed. PCRE2 must be compiled with the -DVPCOMPAT
167 option on the command line. */
168
169 #ifdef VPCOMPAT
170 #define strlen(s) _strlen(s)
171 #define strncmp(s1,s2,m) _strncmp(s1,s2,m)
172 #define memcmp(s,c,n) _memcmp(s,c,n)
173 #define memcpy(d,s,n) _memcpy(d,s,n)
174 #define memmove(d,s,n) _memmove(d,s,n)
175 #define memset(s,c,n) _memset(s,c,n)
176 #else /* VPCOMPAT */
177
178 /* To cope with SunOS4 and other systems that lack memmove() but have bcopy(),
179 define a macro for memmove() if HAVE_MEMMOVE is false, provided that HAVE_BCOPY
180 is set. Otherwise, include an emulating function for those systems that have
181 neither (there some non-Unix environments where this is the case). */
182
183 #ifndef HAVE_MEMMOVE
184 #undef memmove /* some systems may have a macro */
185 #ifdef HAVE_BCOPY
186 #define memmove(a, b, c) bcopy(b, a, c)
187 #else /* HAVE_BCOPY */
188 static void *
189 pcre2_memmove(void *d, const void *s, size_t n)
190 {
191 size_t i;
192 unsigned char *dest = (unsigned char *)d;
193 const unsigned char *src = (const unsigned char *)s;
194 if (dest > src)
195 {
196 dest += n;
197 src += n;
198 for (i = 0; i < n; ++i) *(--dest) = *(--src);
199 return (void *)dest;
200 }
201 else
202 {
203 for (i = 0; i < n; ++i) *dest++ = *src++;
204 return (void *)(dest - n);
205 }
206 }
207 #define memmove(a, b, c) pcre2_memmove(a, b, c)
208 #endif /* not HAVE_BCOPY */
209 #endif /* not HAVE_MEMMOVE */
210 #endif /* not VPCOMPAT */
211
212 /* External (in the C sense) functions and tables that are private to the
213 libraries are always referenced using the PRIV macro. This makes it possible
214 for pcre2test.c to include some of the source files from the libraries using a
215 different PRIV definition to avoid name clashes. It also makes it clear in the
216 code that a non-static object is being referenced. */
217
218 #ifndef PRIV
219 #define PRIV(name) _pcre2_##name
220 #endif
221
222 /* This is an unsigned int value that no UTF character can ever have, as
223 Unicode doesn't go beyond 0x0010ffff. */
224
225 #define NOTACHAR 0xffffffff
226
227 /* This is the largest valid UTF/Unicode code point. */
228
229 #define MAX_UTF_CODE_POINT 0x10ffff
230
231 /* Compile-time positive error numbers (all except UTF errors, which are
232 negative) start at this value. It should probably never be changed, in case
233 some application is checking for specific numbers. There is a copy of this
234 #define in pcre2posix.c (which now no longer includes this file). Ideally, a
235 way of having a single definition should be found, but as the number is
236 unlikely to change, this is not a pressing issue. The original reason for
237 having a base other than 0 was to keep the absolute values of compile-time and
238 run-time error numbers numerically different, but in the event the code does
239 not rely on this. */
240
241 #define COMPILE_ERROR_BASE 100
242
243 /* Define the default BSR convention. */
244
245 #ifdef BSR_ANYCRLF
246 #define BSR_DEFAULT PCRE2_BSR_ANYCRLF
247 #else
248 #define BSR_DEFAULT PCRE2_BSR_UNICODE
249 #endif
250
251
252 /* ---------------- Basic UTF-8 macros ---------------- */
253
254 /* These UTF-8 macros are always defined because they are used in pcre2test for
255 handling wide characters in 16-bit and 32-bit modes, even if an 8-bit library
256 is not supported. */
257
258 /* Tests whether a UTF-8 code point needs extra bytes to decode. */
259
260 #define HASUTF8EXTRALEN(c) ((c) >= 0xc0)
261
262 /* The following macros were originally written in the form of loops that used
263 data from the tables whose names start with PRIV(utf8_table). They were
264 rewritten by a user so as not to use loops, because in some environments this
265 gives a significant performance advantage, and it seems never to do any harm.
266 */
267
268 /* Base macro to pick up the remaining bytes of a UTF-8 character, not
269 advancing the pointer. */
270
271 #define GETUTF8(c, eptr) \
272 { \
273 if ((c & 0x20u) == 0) \
274 c = ((c & 0x1fu) << 6) | (eptr[1] & 0x3fu); \
275 else if ((c & 0x10u) == 0) \
276 c = ((c & 0x0fu) << 12) | ((eptr[1] & 0x3fu) << 6) | (eptr[2] & 0x3fu); \
277 else if ((c & 0x08u) == 0) \
278 c = ((c & 0x07u) << 18) | ((eptr[1] & 0x3fu) << 12) | \
279 ((eptr[2] & 0x3fu) << 6) | (eptr[3] & 0x3fu); \
280 else if ((c & 0x04u) == 0) \
281 c = ((c & 0x03u) << 24) | ((eptr[1] & 0x3fu) << 18) | \
282 ((eptr[2] & 0x3fu) << 12) | ((eptr[3] & 0x3fu) << 6) | \
283 (eptr[4] & 0x3fu); \
284 else \
285 c = ((c & 0x01u) << 30) | ((eptr[1] & 0x3fu) << 24) | \
286 ((eptr[2] & 0x3fu) << 18) | ((eptr[3] & 0x3fu) << 12) | \
287 ((eptr[4] & 0x3fu) << 6) | (eptr[5] & 0x3fu); \
288 }
289
290 /* Base macro to pick up the remaining bytes of a UTF-8 character, advancing
291 the pointer. */
292
293 #define GETUTF8INC(c, eptr) \
294 { \
295 if ((c & 0x20u) == 0) \
296 c = ((c & 0x1fu) << 6) | (*eptr++ & 0x3fu); \
297 else if ((c & 0x10u) == 0) \
298 { \
299 c = ((c & 0x0fu) << 12) | ((*eptr & 0x3fu) << 6) | (eptr[1] & 0x3fu); \
300 eptr += 2; \
301 } \
302 else if ((c & 0x08u) == 0) \
303 { \
304 c = ((c & 0x07u) << 18) | ((*eptr & 0x3fu) << 12) | \
305 ((eptr[1] & 0x3fu) << 6) | (eptr[2] & 0x3fu); \
306 eptr += 3; \
307 } \
308 else if ((c & 0x04u) == 0) \
309 { \
310 c = ((c & 0x03u) << 24) | ((*eptr & 0x3fu) << 18) | \
311 ((eptr[1] & 0x3fu) << 12) | ((eptr[2] & 0x3fu) << 6) | \
312 (eptr[3] & 0x3fu); \
313 eptr += 4; \
314 } \
315 else \
316 { \
317 c = ((c & 0x01u) << 30) | ((*eptr & 0x3fu) << 24) | \
318 ((eptr[1] & 0x3fu) << 18) | ((eptr[2] & 0x3fu) << 12) | \
319 ((eptr[3] & 0x3fu) << 6) | (eptr[4] & 0x3fu); \
320 eptr += 5; \
321 } \
322 }
323
324 /* Base macro to pick up the remaining bytes of a UTF-8 character, not
325 advancing the pointer, incrementing the length. */
326
327 #define GETUTF8LEN(c, eptr, len) \
328 { \
329 if ((c & 0x20u) == 0) \
330 { \
331 c = ((c & 0x1fu) << 6) | (eptr[1] & 0x3fu); \
332 len++; \
333 } \
334 else if ((c & 0x10u) == 0) \
335 { \
336 c = ((c & 0x0fu) << 12) | ((eptr[1] & 0x3fu) << 6) | (eptr[2] & 0x3fu); \
337 len += 2; \
338 } \
339 else if ((c & 0x08u) == 0) \
340 {\
341 c = ((c & 0x07u) << 18) | ((eptr[1] & 0x3fu) << 12) | \
342 ((eptr[2] & 0x3fu) << 6) | (eptr[3] & 0x3fu); \
343 len += 3; \
344 } \
345 else if ((c & 0x04u) == 0) \
346 { \
347 c = ((c & 0x03u) << 24) | ((eptr[1] & 0x3fu) << 18) | \
348 ((eptr[2] & 0x3fu) << 12) | ((eptr[3] & 0x3fu) << 6) | \
349 (eptr[4] & 0x3fu); \
350 len += 4; \
351 } \
352 else \
353 {\
354 c = ((c & 0x01u) << 30) | ((eptr[1] & 0x3fu) << 24) | \
355 ((eptr[2] & 0x3fu) << 18) | ((eptr[3] & 0x3fu) << 12) | \
356 ((eptr[4] & 0x3fu) << 6) | (eptr[5] & 0x3fu); \
357 len += 5; \
358 } \
359 }
360
361 /* --------------- Whitespace macros ---------------- */
362
363 /* Tests for Unicode horizontal and vertical whitespace characters must check a
364 number of different values. Using a switch statement for this generates the
365 fastest code (no loop, no memory access), and there are several places in the
366 interpreter code where this happens. In order to ensure that all the case lists
367 remain in step, we use macros so that there is only one place where the lists
368 are defined.
369
370 These values are also required as lists in pcre2_compile.c when processing \h,
371 \H, \v and \V in a character class. The lists are defined in pcre2_tables.c,
372 but macros that define the values are here so that all the definitions are
373 together. The lists must be in ascending character order, terminated by
374 NOTACHAR (which is 0xffffffff).
375
376 Any changes should ensure that the various macros are kept in step with each
377 other. NOTE: The values also appear in pcre2_jit_compile.c. */
378
379 /* -------------- ASCII/Unicode environments -------------- */
380
381 #ifndef EBCDIC
382
383 /* Character U+180E (Mongolian Vowel Separator) is not included in the list of
384 spaces in the Unicode file PropList.txt, and Perl does not recognize it as a
385 space. However, in many other sources it is listed as a space and has been in
386 PCRE (both APIs) for a long time. */
387
388 #define HSPACE_LIST \
389 CHAR_HT, CHAR_SPACE, CHAR_NBSP, \
390 0x1680, 0x180e, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, \
391 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202f, 0x205f, 0x3000, \
392 NOTACHAR
393
394 #define HSPACE_MULTIBYTE_CASES \
395 case 0x1680: /* OGHAM SPACE MARK */ \
396 case 0x180e: /* MONGOLIAN VOWEL SEPARATOR */ \
397 case 0x2000: /* EN QUAD */ \
398 case 0x2001: /* EM QUAD */ \
399 case 0x2002: /* EN SPACE */ \
400 case 0x2003: /* EM SPACE */ \
401 case 0x2004: /* THREE-PER-EM SPACE */ \
402 case 0x2005: /* FOUR-PER-EM SPACE */ \
403 case 0x2006: /* SIX-PER-EM SPACE */ \
404 case 0x2007: /* FIGURE SPACE */ \
405 case 0x2008: /* PUNCTUATION SPACE */ \
406 case 0x2009: /* THIN SPACE */ \
407 case 0x200A: /* HAIR SPACE */ \
408 case 0x202f: /* NARROW NO-BREAK SPACE */ \
409 case 0x205f: /* MEDIUM MATHEMATICAL SPACE */ \
410 case 0x3000 /* IDEOGRAPHIC SPACE */
411
412 #define HSPACE_BYTE_CASES \
413 case CHAR_HT: \
414 case CHAR_SPACE: \
415 case CHAR_NBSP
416
417 #define HSPACE_CASES \
418 HSPACE_BYTE_CASES: \
419 HSPACE_MULTIBYTE_CASES
420
421 #define VSPACE_LIST \
422 CHAR_LF, CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, 0x2028, 0x2029, NOTACHAR
423
424 #define VSPACE_MULTIBYTE_CASES \
425 case 0x2028: /* LINE SEPARATOR */ \
426 case 0x2029 /* PARAGRAPH SEPARATOR */
427
428 #define VSPACE_BYTE_CASES \
429 case CHAR_LF: \
430 case CHAR_VT: \
431 case CHAR_FF: \
432 case CHAR_CR: \
433 case CHAR_NEL
434
435 #define VSPACE_CASES \
436 VSPACE_BYTE_CASES: \
437 VSPACE_MULTIBYTE_CASES
438
439 /* -------------- EBCDIC environments -------------- */
440
441 #else
442 #define HSPACE_LIST CHAR_HT, CHAR_SPACE, CHAR_NBSP, NOTACHAR
443
444 #define HSPACE_BYTE_CASES \
445 case CHAR_HT: \
446 case CHAR_SPACE: \
447 case CHAR_NBSP
448
449 #define HSPACE_CASES HSPACE_BYTE_CASES
450
451 #ifdef EBCDIC_NL25
452 #define VSPACE_LIST \
453 CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, CHAR_LF, NOTACHAR
454 #else
455 #define VSPACE_LIST \
456 CHAR_VT, CHAR_FF, CHAR_CR, CHAR_LF, CHAR_NEL, NOTACHAR
457 #endif
458
459 #define VSPACE_BYTE_CASES \
460 case CHAR_LF: \
461 case CHAR_VT: \
462 case CHAR_FF: \
463 case CHAR_CR: \
464 case CHAR_NEL
465
466 #define VSPACE_CASES VSPACE_BYTE_CASES
467 #endif /* EBCDIC */
468
469 /* -------------- End of whitespace macros -------------- */
470
471
472 /* PCRE2 is able to support several different kinds of newline (CR, LF, CRLF,
473 "any" and "anycrlf" at present). The following macros are used to package up
474 testing for newlines. NLBLOCK, PSSTART, and PSEND are defined in the various
475 modules to indicate in which datablock the parameters exist, and what the
476 start/end of string field names are. */
477
478 #define NLTYPE_FIXED 0 /* Newline is a fixed length string */
479 #define NLTYPE_ANY 1 /* Newline is any Unicode line ending */
480 #define NLTYPE_ANYCRLF 2 /* Newline is CR, LF, or CRLF */
481
482 /* This macro checks for a newline at the given position */
483
484 #define IS_NEWLINE(p) \
485 ((NLBLOCK->nltype != NLTYPE_FIXED)? \
486 ((p) < NLBLOCK->PSEND && \
487 PRIV(is_newline)((p), NLBLOCK->nltype, NLBLOCK->PSEND, \
488 &(NLBLOCK->nllen), utf)) \
489 : \
490 ((p) <= NLBLOCK->PSEND - NLBLOCK->nllen && \
491 UCHAR21TEST(p) == NLBLOCK->nl[0] && \
492 (NLBLOCK->nllen == 1 || UCHAR21TEST(p+1) == NLBLOCK->nl[1]) \
493 ) \
494 )
495
496 /* This macro checks for a newline immediately preceding the given position */
497
498 #define WAS_NEWLINE(p) \
499 ((NLBLOCK->nltype != NLTYPE_FIXED)? \
500 ((p) > NLBLOCK->PSSTART && \
501 PRIV(was_newline)((p), NLBLOCK->nltype, NLBLOCK->PSSTART, \
502 &(NLBLOCK->nllen), utf)) \
503 : \
504 ((p) >= NLBLOCK->PSSTART + NLBLOCK->nllen && \
505 UCHAR21TEST(p - NLBLOCK->nllen) == NLBLOCK->nl[0] && \
506 (NLBLOCK->nllen == 1 || UCHAR21TEST(p - NLBLOCK->nllen + 1) == NLBLOCK->nl[1]) \
507 ) \
508 )
509
510 /* Private flags containing information about the compiled pattern. The first
511 three must not be changed, because whichever is set is actually the number of
512 bytes in a code unit in that mode. */
513
514 #define PCRE2_MODE8 0x00000001 /* compiled in 8 bit mode */
515 #define PCRE2_MODE16 0x00000002 /* compiled in 16 bit mode */
516 #define PCRE2_MODE32 0x00000004 /* compiled in 32 bit mode */
517 #define PCRE2_FIRSTSET 0x00000010 /* first_code unit is set */
518 #define PCRE2_FIRSTCASELESS 0x00000020 /* caseless first code unit */
519 #define PCRE2_FIRSTMAPSET 0x00000040 /* bitmap of first code units is set */
520 #define PCRE2_LASTSET 0x00000080 /* last code unit is set */
521 #define PCRE2_LASTCASELESS 0x00000100 /* caseless last code unit */
522 #define PCRE2_STARTLINE 0x00000200 /* start after \n for multiline */
523 #define PCRE2_JCHANGED 0x00000400 /* j option used in pattern */
524 #define PCRE2_HASCRORLF 0x00000800 /* explicit \r or \n in pattern */
525 #define PCRE2_HASTHEN 0x00001000 /* pattern contains (*THEN) */
526 #define PCRE2_MATCH_EMPTY 0x00002000 /* pattern can match empty string */
527 #define PCRE2_BSR_SET 0x00004000 /* BSR was set in the pattern */
528 #define PCRE2_NL_SET 0x00008000 /* newline was set in the pattern */
529 #define PCRE2_NOTEMPTY_SET 0x00010000 /* (*NOTEMPTY) used ) keep */
530 #define PCRE2_NE_ATST_SET 0x00020000 /* (*NOTEMPTY_ATSTART) used) together */
531 #define PCRE2_DEREF_TABLES 0x00040000 /* release character tables */
532 #define PCRE2_NOJIT 0x00080000 /* (*NOJIT) used */
533 #define PCRE2_HASBKPORX 0x00100000 /* contains \P, \p, or \X */
534 #define PCRE2_DUPCAPUSED 0x00200000 /* contains (?| */
535 #define PCRE2_HASBKC 0x00400000 /* contains \C */
536
537 #define PCRE2_MODE_MASK (PCRE2_MODE8 | PCRE2_MODE16 | PCRE2_MODE32)
538
539 /* Values for the matchedby field in a match data block. */
540
541 enum { PCRE2_MATCHEDBY_INTERPRETER, /* pcre2_match() */
542 PCRE2_MATCHEDBY_DFA_INTERPRETER, /* pcre2_dfa_match() */
543 PCRE2_MATCHEDBY_JIT }; /* pcre2_jit_match() */
544
545 /* Magic number to provide a small check against being handed junk. */
546
547 #define MAGIC_NUMBER 0x50435245UL /* 'PCRE' */
548
549 /* The maximum remaining length of subject we are prepared to search for a
550 req_unit match. */
551
552 #define REQ_CU_MAX 1000
553
554 /* Offsets for the bitmap tables in the cbits set of tables. Each table
555 contains a set of bits for a class map. Some classes are built by combining
556 these tables. */
557
558 #define cbit_space 0 /* [:space:] or \s */
559 #define cbit_xdigit 32 /* [:xdigit:] */
560 #define cbit_digit 64 /* [:digit:] or \d */
561 #define cbit_upper 96 /* [:upper:] */
562 #define cbit_lower 128 /* [:lower:] */
563 #define cbit_word 160 /* [:word:] or \w */
564 #define cbit_graph 192 /* [:graph:] */
565 #define cbit_print 224 /* [:print:] */
566 #define cbit_punct 256 /* [:punct:] */
567 #define cbit_cntrl 288 /* [:cntrl:] */
568 #define cbit_length 320 /* Length of the cbits table */
569
570 /* Bit definitions for entries in the ctypes table. */
571
572 #define ctype_space 0x01
573 #define ctype_letter 0x02
574 #define ctype_digit 0x04
575 #define ctype_xdigit 0x08
576 #define ctype_word 0x10 /* alphanumeric or '_' */
577 #define ctype_meta 0x80 /* regexp meta char or zero (end pattern) */
578
579 /* Offsets of the various tables from the base tables pointer, and
580 total length of the tables. */
581
582 #define lcc_offset 0 /* Lower case */
583 #define fcc_offset 256 /* Flip case */
584 #define cbits_offset 512 /* Character classes */
585 #define ctypes_offset (cbits_offset + cbit_length) /* Character types */
586 #define tables_length (ctypes_offset + 256)
587
588
589 /* -------------------- Character and string names ------------------------ */
590
591 /* If PCRE2 is to support UTF-8 on EBCDIC platforms, we cannot use normal
592 character constants like '*' because the compiler would emit their EBCDIC code,
593 which is different from their ASCII/UTF-8 code. Instead we define macros for
594 the characters so that they always use the ASCII/UTF-8 code when UTF-8 support
595 is enabled. When UTF-8 support is not enabled, the definitions use character
596 literals. Both character and string versions of each character are needed, and
597 there are some longer strings as well.
598
599 This means that, on EBCDIC platforms, the PCRE2 library can handle either
600 EBCDIC, or UTF-8, but not both. To support both in the same compiled library
601 would need different lookups depending on whether PCRE2_UTF was set or not.
602 This would make it impossible to use characters in switch/case statements,
603 which would reduce performance. For a theoretical use (which nobody has asked
604 for) in a minority area (EBCDIC platforms), this is not sensible. Any
605 application that did need both could compile two versions of the library, using
606 macros to give the functions distinct names. */
607
608 #ifndef SUPPORT_UNICODE
609
610 /* UTF-8 support is not enabled; use the platform-dependent character literals
611 so that PCRE2 works in both ASCII and EBCDIC environments, but only in non-UTF
612 mode. Newline characters are problematic in EBCDIC. Though it has CR and LF
613 characters, a common practice has been to use its NL (0x15) character as the
614 line terminator in C-like processing environments. However, sometimes the LF
615 (0x25) character is used instead, according to this Unicode document:
616
617 http://unicode.org/standard/reports/tr13/tr13-5.html
618
619 PCRE2 defaults EBCDIC NL to 0x15, but has a build-time option to select 0x25
620 instead. Whichever is *not* chosen is defined as NEL.
621
622 In both ASCII and EBCDIC environments, CHAR_NL and CHAR_LF are synonyms for the
623 same code point. */
624
625 #ifdef EBCDIC
626
627 #ifndef EBCDIC_NL25
628 #define CHAR_NL '\x15'
629 #define CHAR_NEL '\x25'
630 #define STR_NL "\x15"
631 #define STR_NEL "\x25"
632 #else
633 #define CHAR_NL '\x25'
634 #define CHAR_NEL '\x15'
635 #define STR_NL "\x25"
636 #define STR_NEL "\x15"
637 #endif
638
639 #define CHAR_LF CHAR_NL
640 #define STR_LF STR_NL
641
642 #define CHAR_ESC '\047'
643 #define CHAR_DEL '\007'
644 #define CHAR_NBSP ((unsigned char)'\x41')
645 #define STR_ESC "\047"
646 #define STR_DEL "\007"
647
648 #else /* Not EBCDIC */
649
650 /* In ASCII/Unicode, linefeed is '\n' and we equate this to NL for
651 compatibility. NEL is the Unicode newline character; make sure it is
652 a positive value. */
653
654 #define CHAR_LF '\n'
655 #define CHAR_NL CHAR_LF
656 #define CHAR_NEL ((unsigned char)'\x85')
657 #define CHAR_ESC '\033'
658 #define CHAR_DEL '\177'
659 #define CHAR_NBSP ((unsigned char)'\xa0')
660
661 #define STR_LF "\n"
662 #define STR_NL STR_LF
663 #define STR_NEL "\x85"
664 #define STR_ESC "\033"
665 #define STR_DEL "\177"
666
667 #endif /* EBCDIC */
668
669 /* The remaining definitions work in both environments. */
670
671 #define CHAR_NULL '\0'
672 #define CHAR_HT '\t'
673 #define CHAR_VT '\v'
674 #define CHAR_FF '\f'
675 #define CHAR_CR '\r'
676 #define CHAR_BS '\b'
677 #define CHAR_BEL '\a'
678
679 #define CHAR_SPACE ' '
680 #define CHAR_EXCLAMATION_MARK '!'
681 #define CHAR_QUOTATION_MARK '"'
682 #define CHAR_NUMBER_SIGN '#'
683 #define CHAR_DOLLAR_SIGN '$'
684 #define CHAR_PERCENT_SIGN '%'
685 #define CHAR_AMPERSAND '&'
686 #define CHAR_APOSTROPHE '\''
687 #define CHAR_LEFT_PARENTHESIS '('
688 #define CHAR_RIGHT_PARENTHESIS ')'
689 #define CHAR_ASTERISK '*'
690 #define CHAR_PLUS '+'
691 #define CHAR_COMMA ','
692 #define CHAR_MINUS '-'
693 #define CHAR_DOT '.'
694 #define CHAR_SLASH '/'
695 #define CHAR_0 '0'
696 #define CHAR_1 '1'
697 #define CHAR_2 '2'
698 #define CHAR_3 '3'
699 #define CHAR_4 '4'
700 #define CHAR_5 '5'
701 #define CHAR_6 '6'
702 #define CHAR_7 '7'
703 #define CHAR_8 '8'
704 #define CHAR_9 '9'
705 #define CHAR_COLON ':'
706 #define CHAR_SEMICOLON ';'
707 #define CHAR_LESS_THAN_SIGN '<'
708 #define CHAR_EQUALS_SIGN '='
709 #define CHAR_GREATER_THAN_SIGN '>'
710 #define CHAR_QUESTION_MARK '?'
711 #define CHAR_COMMERCIAL_AT '@'
712 #define CHAR_A 'A'
713 #define CHAR_B 'B'
714 #define CHAR_C 'C'
715 #define CHAR_D 'D'
716 #define CHAR_E 'E'
717 #define CHAR_F 'F'
718 #define CHAR_G 'G'
719 #define CHAR_H 'H'
720 #define CHAR_I 'I'
721 #define CHAR_J 'J'
722 #define CHAR_K 'K'
723 #define CHAR_L 'L'
724 #define CHAR_M 'M'
725 #define CHAR_N 'N'
726 #define CHAR_O 'O'
727 #define CHAR_P 'P'
728 #define CHAR_Q 'Q'
729 #define CHAR_R 'R'
730 #define CHAR_S 'S'
731 #define CHAR_T 'T'
732 #define CHAR_U 'U'
733 #define CHAR_V 'V'
734 #define CHAR_W 'W'
735 #define CHAR_X 'X'
736 #define CHAR_Y 'Y'
737 #define CHAR_Z 'Z'
738 #define CHAR_LEFT_SQUARE_BRACKET '['
739 #define CHAR_BACKSLASH '\\'
740 #define CHAR_RIGHT_SQUARE_BRACKET ']'
741 #define CHAR_CIRCUMFLEX_ACCENT '^'
742 #define CHAR_UNDERSCORE '_'
743 #define CHAR_GRAVE_ACCENT '`'
744 #define CHAR_a 'a'
745 #define CHAR_b 'b'
746 #define CHAR_c 'c'
747 #define CHAR_d 'd'
748 #define CHAR_e 'e'
749 #define CHAR_f 'f'
750 #define CHAR_g 'g'
751 #define CHAR_h 'h'
752 #define CHAR_i 'i'
753 #define CHAR_j 'j'
754 #define CHAR_k 'k'
755 #define CHAR_l 'l'
756 #define CHAR_m 'm'
757 #define CHAR_n 'n'
758 #define CHAR_o 'o'
759 #define CHAR_p 'p'
760 #define CHAR_q 'q'
761 #define CHAR_r 'r'
762 #define CHAR_s 's'
763 #define CHAR_t 't'
764 #define CHAR_u 'u'
765 #define CHAR_v 'v'
766 #define CHAR_w 'w'
767 #define CHAR_x 'x'
768 #define CHAR_y 'y'
769 #define CHAR_z 'z'
770 #define CHAR_LEFT_CURLY_BRACKET '{'
771 #define CHAR_VERTICAL_LINE '|'
772 #define CHAR_RIGHT_CURLY_BRACKET '}'
773 #define CHAR_TILDE '~'
774
775 #define STR_HT "\t"
776 #define STR_VT "\v"
777 #define STR_FF "\f"
778 #define STR_CR "\r"
779 #define STR_BS "\b"
780 #define STR_BEL "\a"
781
782 #define STR_SPACE " "
783 #define STR_EXCLAMATION_MARK "!"
784 #define STR_QUOTATION_MARK "\""
785 #define STR_NUMBER_SIGN "#"
786 #define STR_DOLLAR_SIGN "$"
787 #define STR_PERCENT_SIGN "%"
788 #define STR_AMPERSAND "&"
789 #define STR_APOSTROPHE "'"
790 #define STR_LEFT_PARENTHESIS "("
791 #define STR_RIGHT_PARENTHESIS ")"
792 #define STR_ASTERISK "*"
793 #define STR_PLUS "+"
794 #define STR_COMMA ","
795 #define STR_MINUS "-"
796 #define STR_DOT "."
797 #define STR_SLASH "/"
798 #define STR_0 "0"
799 #define STR_1 "1"
800 #define STR_2 "2"
801 #define STR_3 "3"
802 #define STR_4 "4"
803 #define STR_5 "5"
804 #define STR_6 "6"
805 #define STR_7 "7"
806 #define STR_8 "8"
807 #define STR_9 "9"
808 #define STR_COLON ":"
809 #define STR_SEMICOLON ";"
810 #define STR_LESS_THAN_SIGN "<"
811 #define STR_EQUALS_SIGN "="
812 #define STR_GREATER_THAN_SIGN ">"
813 #define STR_QUESTION_MARK "?"
814 #define STR_COMMERCIAL_AT "@"
815 #define STR_A "A"
816 #define STR_B "B"
817 #define STR_C "C"
818 #define STR_D "D"
819 #define STR_E "E"
820 #define STR_F "F"
821 #define STR_G "G"
822 #define STR_H "H"
823 #define STR_I "I"
824 #define STR_J "J"
825 #define STR_K "K"
826 #define STR_L "L"
827 #define STR_M "M"
828 #define STR_N "N"
829 #define STR_O "O"
830 #define STR_P "P"
831 #define STR_Q "Q"
832 #define STR_R "R"
833 #define STR_S "S"
834 #define STR_T "T"
835 #define STR_U "U"
836 #define STR_V "V"
837 #define STR_W "W"
838 #define STR_X "X"
839 #define STR_Y "Y"
840 #define STR_Z "Z"
841 #define STR_LEFT_SQUARE_BRACKET "["
842 #define STR_BACKSLASH "\\"
843 #define STR_RIGHT_SQUARE_BRACKET "]"
844 #define STR_CIRCUMFLEX_ACCENT "^"
845 #define STR_UNDERSCORE "_"
846 #define STR_GRAVE_ACCENT "`"
847 #define STR_a "a"
848 #define STR_b "b"
849 #define STR_c "c"
850 #define STR_d "d"
851 #define STR_e "e"
852 #define STR_f "f"
853 #define STR_g "g"
854 #define STR_h "h"
855 #define STR_i "i"
856 #define STR_j "j"
857 #define STR_k "k"
858 #define STR_l "l"
859 #define STR_m "m"
860 #define STR_n "n"
861 #define STR_o "o"
862 #define STR_p "p"
863 #define STR_q "q"
864 #define STR_r "r"
865 #define STR_s "s"
866 #define STR_t "t"
867 #define STR_u "u"
868 #define STR_v "v"
869 #define STR_w "w"
870 #define STR_x "x"
871 #define STR_y "y"
872 #define STR_z "z"
873 #define STR_LEFT_CURLY_BRACKET "{"
874 #define STR_VERTICAL_LINE "|"
875 #define STR_RIGHT_CURLY_BRACKET "}"
876 #define STR_TILDE "~"
877
878 #define STRING_ACCEPT0 "ACCEPT\0"
879 #define STRING_COMMIT0 "COMMIT\0"
880 #define STRING_F0 "F\0"
881 #define STRING_FAIL0 "FAIL\0"
882 #define STRING_MARK0 "MARK\0"
883 #define STRING_PRUNE0 "PRUNE\0"
884 #define STRING_SKIP0 "SKIP\0"
885 #define STRING_THEN "THEN"
886
887 #define STRING_alpha0 "alpha\0"
888 #define STRING_lower0 "lower\0"
889 #define STRING_upper0 "upper\0"
890 #define STRING_alnum0 "alnum\0"
891 #define STRING_ascii0 "ascii\0"
892 #define STRING_blank0 "blank\0"
893 #define STRING_cntrl0 "cntrl\0"
894 #define STRING_digit0 "digit\0"
895 #define STRING_graph0 "graph\0"
896 #define STRING_print0 "print\0"
897 #define STRING_punct0 "punct\0"
898 #define STRING_space0 "space\0"
899 #define STRING_word0 "word\0"
900 #define STRING_xdigit "xdigit"
901
902 #define STRING_DEFINE "DEFINE"
903 #define STRING_VERSION "VERSION"
904 #define STRING_WEIRD_STARTWORD "[:<:]]"
905 #define STRING_WEIRD_ENDWORD "[:>:]]"
906
907 #define STRING_CR_RIGHTPAR "CR)"
908 #define STRING_LF_RIGHTPAR "LF)"
909 #define STRING_CRLF_RIGHTPAR "CRLF)"
910 #define STRING_ANY_RIGHTPAR "ANY)"
911 #define STRING_ANYCRLF_RIGHTPAR "ANYCRLF)"
912 #define STRING_BSR_ANYCRLF_RIGHTPAR "BSR_ANYCRLF)"
913 #define STRING_BSR_UNICODE_RIGHTPAR "BSR_UNICODE)"
914 #define STRING_UTF8_RIGHTPAR "UTF8)"
915 #define STRING_UTF16_RIGHTPAR "UTF16)"
916 #define STRING_UTF32_RIGHTPAR "UTF32)"
917 #define STRING_UTF_RIGHTPAR "UTF)"
918 #define STRING_UCP_RIGHTPAR "UCP)"
919 #define STRING_NO_AUTO_POSSESS_RIGHTPAR "NO_AUTO_POSSESS)"
920 #define STRING_NO_DOTSTAR_ANCHOR_RIGHTPAR "NO_DOTSTAR_ANCHOR)"
921 #define STRING_NO_JIT_RIGHTPAR "NO_JIT)"
922 #define STRING_NO_START_OPT_RIGHTPAR "NO_START_OPT)"
923 #define STRING_NOTEMPTY_RIGHTPAR "NOTEMPTY)"
924 #define STRING_NOTEMPTY_ATSTART_RIGHTPAR "NOTEMPTY_ATSTART)"
925 #define STRING_LIMIT_MATCH_EQ "LIMIT_MATCH="
926 #define STRING_LIMIT_RECURSION_EQ "LIMIT_RECURSION="
927 #define STRING_MARK "MARK"
928
929 #else /* SUPPORT_UNICODE */
930
931 /* UTF-8 support is enabled; always use UTF-8 (=ASCII) character codes. This
932 works in both modes non-EBCDIC platforms, and on EBCDIC platforms in UTF-8 mode
933 only. */
934
935 #define CHAR_HT '\011'
936 #define CHAR_VT '\013'
937 #define CHAR_FF '\014'
938 #define CHAR_CR '\015'
939 #define CHAR_LF '\012'
940 #define CHAR_NL CHAR_LF
941 #define CHAR_NEL ((unsigned char)'\x85')
942 #define CHAR_BS '\010'
943 #define CHAR_BEL '\007'
944 #define CHAR_ESC '\033'
945 #define CHAR_DEL '\177'
946
947 #define CHAR_NULL '\0'
948 #define CHAR_SPACE '\040'
949 #define CHAR_EXCLAMATION_MARK '\041'
950 #define CHAR_QUOTATION_MARK '\042'
951 #define CHAR_NUMBER_SIGN '\043'
952 #define CHAR_DOLLAR_SIGN '\044'
953 #define CHAR_PERCENT_SIGN '\045'
954 #define CHAR_AMPERSAND '\046'
955 #define CHAR_APOSTROPHE '\047'
956 #define CHAR_LEFT_PARENTHESIS '\050'
957 #define CHAR_RIGHT_PARENTHESIS '\051'
958 #define CHAR_ASTERISK '\052'
959 #define CHAR_PLUS '\053'
960 #define CHAR_COMMA '\054'
961 #define CHAR_MINUS '\055'
962 #define CHAR_DOT '\056'
963 #define CHAR_SLASH '\057'
964 #define CHAR_0 '\060'
965 #define CHAR_1 '\061'
966 #define CHAR_2 '\062'
967 #define CHAR_3 '\063'
968 #define CHAR_4 '\064'
969 #define CHAR_5 '\065'
970 #define CHAR_6 '\066'
971 #define CHAR_7 '\067'
972 #define CHAR_8 '\070'
973 #define CHAR_9 '\071'
974 #define CHAR_COLON '\072'
975 #define CHAR_SEMICOLON '\073'
976 #define CHAR_LESS_THAN_SIGN '\074'
977 #define CHAR_EQUALS_SIGN '\075'
978 #define CHAR_GREATER_THAN_SIGN '\076'
979 #define CHAR_QUESTION_MARK '\077'
980 #define CHAR_COMMERCIAL_AT '\100'
981 #define CHAR_A '\101'
982 #define CHAR_B '\102'
983 #define CHAR_C '\103'
984 #define CHAR_D '\104'
985 #define CHAR_E '\105'
986 #define CHAR_F '\106'
987 #define CHAR_G '\107'
988 #define CHAR_H '\110'
989 #define CHAR_I '\111'
990 #define CHAR_J '\112'
991 #define CHAR_K '\113'
992 #define CHAR_L '\114'
993 #define CHAR_M '\115'
994 #define CHAR_N '\116'
995 #define CHAR_O '\117'
996 #define CHAR_P '\120'
997 #define CHAR_Q '\121'
998 #define CHAR_R '\122'
999 #define CHAR_S '\123'
1000 #define CHAR_T '\124'
1001 #define CHAR_U '\125'
1002 #define CHAR_V '\126'
1003 #define CHAR_W '\127'
1004 #define CHAR_X '\130'
1005 #define CHAR_Y '\131'
1006 #define CHAR_Z '\132'
1007 #define CHAR_LEFT_SQUARE_BRACKET '\133'
1008 #define CHAR_BACKSLASH '\134'
1009 #define CHAR_RIGHT_SQUARE_BRACKET '\135'
1010 #define CHAR_CIRCUMFLEX_ACCENT '\136'
1011 #define CHAR_UNDERSCORE '\137'
1012 #define CHAR_GRAVE_ACCENT '\140'
1013 #define CHAR_a '\141'
1014 #define CHAR_b '\142'
1015 #define CHAR_c '\143'
1016 #define CHAR_d '\144'
1017 #define CHAR_e '\145'
1018 #define CHAR_f '\146'
1019 #define CHAR_g '\147'
1020 #define CHAR_h '\150'
1021 #define CHAR_i '\151'
1022 #define CHAR_j '\152'
1023 #define CHAR_k '\153'
1024 #define CHAR_l '\154'
1025 #define CHAR_m '\155'
1026 #define CHAR_n '\156'
1027 #define CHAR_o '\157'
1028 #define CHAR_p '\160'
1029 #define CHAR_q '\161'
1030 #define CHAR_r '\162'
1031 #define CHAR_s '\163'
1032 #define CHAR_t '\164'
1033 #define CHAR_u '\165'
1034 #define CHAR_v '\166'
1035 #define CHAR_w '\167'
1036 #define CHAR_x '\170'
1037 #define CHAR_y '\171'
1038 #define CHAR_z '\172'
1039 #define CHAR_LEFT_CURLY_BRACKET '\173'
1040 #define CHAR_VERTICAL_LINE '\174'
1041 #define CHAR_RIGHT_CURLY_BRACKET '\175'
1042 #define CHAR_TILDE '\176'
1043 #define CHAR_NBSP ((unsigned char)'\xa0')
1044
1045 #define STR_HT "\011"
1046 #define STR_VT "\013"
1047 #define STR_FF "\014"
1048 #define STR_CR "\015"
1049 #define STR_NL "\012"
1050 #define STR_BS "\010"
1051 #define STR_BEL "\007"
1052 #define STR_ESC "\033"
1053 #define STR_DEL "\177"
1054
1055 #define STR_SPACE "\040"
1056 #define STR_EXCLAMATION_MARK "\041"
1057 #define STR_QUOTATION_MARK "\042"
1058 #define STR_NUMBER_SIGN "\043"
1059 #define STR_DOLLAR_SIGN "\044"
1060 #define STR_PERCENT_SIGN "\045"
1061 #define STR_AMPERSAND "\046"
1062 #define STR_APOSTROPHE "\047"
1063 #define STR_LEFT_PARENTHESIS "\050"
1064 #define STR_RIGHT_PARENTHESIS "\051"
1065 #define STR_ASTERISK "\052"
1066 #define STR_PLUS "\053"
1067 #define STR_COMMA "\054"
1068 #define STR_MINUS "\055"
1069 #define STR_DOT "\056"
1070 #define STR_SLASH "\057"
1071 #define STR_0 "\060"
1072 #define STR_1 "\061"
1073 #define STR_2 "\062"
1074 #define STR_3 "\063"
1075 #define STR_4 "\064"
1076 #define STR_5 "\065"
1077 #define STR_6 "\066"
1078 #define STR_7 "\067"
1079 #define STR_8 "\070"
1080 #define STR_9 "\071"
1081 #define STR_COLON "\072"
1082 #define STR_SEMICOLON "\073"
1083 #define STR_LESS_THAN_SIGN "\074"
1084 #define STR_EQUALS_SIGN "\075"
1085 #define STR_GREATER_THAN_SIGN "\076"
1086 #define STR_QUESTION_MARK "\077"
1087 #define STR_COMMERCIAL_AT "\100"
1088 #define STR_A "\101"
1089 #define STR_B "\102"
1090 #define STR_C "\103"
1091 #define STR_D "\104"
1092 #define STR_E "\105"
1093 #define STR_F "\106"
1094 #define STR_G "\107"
1095 #define STR_H "\110"
1096 #define STR_I "\111"
1097 #define STR_J "\112"
1098 #define STR_K "\113"
1099 #define STR_L "\114"
1100 #define STR_M "\115"
1101 #define STR_N "\116"
1102 #define STR_O "\117"
1103 #define STR_P "\120"
1104 #define STR_Q "\121"
1105 #define STR_R "\122"
1106 #define STR_S "\123"
1107 #define STR_T "\124"
1108 #define STR_U "\125"
1109 #define STR_V "\126"
1110 #define STR_W "\127"
1111 #define STR_X "\130"
1112 #define STR_Y "\131"
1113 #define STR_Z "\132"
1114 #define STR_LEFT_SQUARE_BRACKET "\133"
1115 #define STR_BACKSLASH "\134"
1116 #define STR_RIGHT_SQUARE_BRACKET "\135"
1117 #define STR_CIRCUMFLEX_ACCENT "\136"
1118 #define STR_UNDERSCORE "\137"
1119 #define STR_GRAVE_ACCENT "\140"
1120 #define STR_a "\141"
1121 #define STR_b "\142"
1122 #define STR_c "\143"
1123 #define STR_d "\144"
1124 #define STR_e "\145"
1125 #define STR_f "\146"
1126 #define STR_g "\147"
1127 #define STR_h "\150"
1128 #define STR_i "\151"
1129 #define STR_j "\152"
1130 #define STR_k "\153"
1131 #define STR_l "\154"
1132 #define STR_m "\155"
1133 #define STR_n "\156"
1134 #define STR_o "\157"
1135 #define STR_p "\160"
1136 #define STR_q "\161"
1137 #define STR_r "\162"
1138 #define STR_s "\163"
1139 #define STR_t "\164"
1140 #define STR_u "\165"
1141 #define STR_v "\166"
1142 #define STR_w "\167"
1143 #define STR_x "\170"
1144 #define STR_y "\171"
1145 #define STR_z "\172"
1146 #define STR_LEFT_CURLY_BRACKET "\173"
1147 #define STR_VERTICAL_LINE "\174"
1148 #define STR_RIGHT_CURLY_BRACKET "\175"
1149 #define STR_TILDE "\176"
1150
1151 #define STRING_ACCEPT0 STR_A STR_C STR_C STR_E STR_P STR_T "\0"
1152 #define STRING_COMMIT0 STR_C STR_O STR_M STR_M STR_I STR_T "\0"
1153 #define STRING_F0 STR_F "\0"
1154 #define STRING_FAIL0 STR_F STR_A STR_I STR_L "\0"
1155 #define STRING_MARK0 STR_M STR_A STR_R STR_K "\0"
1156 #define STRING_PRUNE0 STR_P STR_R STR_U STR_N STR_E "\0"
1157 #define STRING_SKIP0 STR_S STR_K STR_I STR_P "\0"
1158 #define STRING_THEN STR_T STR_H STR_E STR_N
1159
1160 #define STRING_alpha0 STR_a STR_l STR_p STR_h STR_a "\0"
1161 #define STRING_lower0 STR_l STR_o STR_w STR_e STR_r "\0"
1162 #define STRING_upper0 STR_u STR_p STR_p STR_e STR_r "\0"
1163 #define STRING_alnum0 STR_a STR_l STR_n STR_u STR_m "\0"
1164 #define STRING_ascii0 STR_a STR_s STR_c STR_i STR_i "\0"
1165 #define STRING_blank0 STR_b STR_l STR_a STR_n STR_k "\0"
1166 #define STRING_cntrl0 STR_c STR_n STR_t STR_r STR_l "\0"
1167 #define STRING_digit0 STR_d STR_i STR_g STR_i STR_t "\0"
1168 #define STRING_graph0 STR_g STR_r STR_a STR_p STR_h "\0"
1169 #define STRING_print0 STR_p STR_r STR_i STR_n STR_t "\0"
1170 #define STRING_punct0 STR_p STR_u STR_n STR_c STR_t "\0"
1171 #define STRING_space0 STR_s STR_p STR_a STR_c STR_e "\0"
1172 #define STRING_word0 STR_w STR_o STR_r STR_d "\0"
1173 #define STRING_xdigit STR_x STR_d STR_i STR_g STR_i STR_t
1174
1175 #define STRING_DEFINE STR_D STR_E STR_F STR_I STR_N STR_E
1176 #define STRING_VERSION STR_V STR_E STR_R STR_S STR_I STR_O STR_N
1177 #define STRING_WEIRD_STARTWORD STR_LEFT_SQUARE_BRACKET STR_COLON STR_LESS_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET
1178 #define STRING_WEIRD_ENDWORD STR_LEFT_SQUARE_BRACKET STR_COLON STR_GREATER_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET
1179
1180 #define STRING_CR_RIGHTPAR STR_C STR_R STR_RIGHT_PARENTHESIS
1181 #define STRING_LF_RIGHTPAR STR_L STR_F STR_RIGHT_PARENTHESIS
1182 #define STRING_CRLF_RIGHTPAR STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1183 #define STRING_ANY_RIGHTPAR STR_A STR_N STR_Y STR_RIGHT_PARENTHESIS
1184 #define STRING_ANYCRLF_RIGHTPAR STR_A STR_N STR_Y STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1185 #define STRING_BSR_ANYCRLF_RIGHTPAR STR_B STR_S STR_R STR_UNDERSCORE STR_A STR_N STR_Y STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1186 #define STRING_BSR_UNICODE_RIGHTPAR STR_B STR_S STR_R STR_UNDERSCORE STR_U STR_N STR_I STR_C STR_O STR_D STR_E STR_RIGHT_PARENTHESIS
1187 #define STRING_UTF8_RIGHTPAR STR_U STR_T STR_F STR_8 STR_RIGHT_PARENTHESIS
1188 #define STRING_UTF16_RIGHTPAR STR_U STR_T STR_F STR_1 STR_6 STR_RIGHT_PARENTHESIS
1189 #define STRING_UTF32_RIGHTPAR STR_U STR_T STR_F STR_3 STR_2 STR_RIGHT_PARENTHESIS
1190 #define STRING_UTF_RIGHTPAR STR_U STR_T STR_F STR_RIGHT_PARENTHESIS
1191 #define STRING_UCP_RIGHTPAR STR_U STR_C STR_P STR_RIGHT_PARENTHESIS
1192 #define STRING_NO_AUTO_POSSESS_RIGHTPAR STR_N STR_O STR_UNDERSCORE STR_A STR_U STR_T STR_O STR_UNDERSCORE STR_P STR_O STR_S STR_S STR_E STR_S STR_S STR_RIGHT_PARENTHESIS
1193 #define STRING_NO_DOTSTAR_ANCHOR_RIGHTPAR STR_N STR_O STR_UNDERSCORE STR_D STR_O STR_T STR_S STR_T STR_A STR_R STR_UNDERSCORE STR_A STR_N STR_C STR_H STR_O STR_R STR_RIGHT_PARENTHESIS
1194 #define STRING_NO_JIT_RIGHTPAR STR_N STR_O STR_UNDERSCORE STR_J STR_I STR_T STR_RIGHT_PARENTHESIS
1195 #define STRING_NO_START_OPT_RIGHTPAR STR_N STR_O STR_UNDERSCORE STR_S STR_T STR_A STR_R STR_T STR_UNDERSCORE STR_O STR_P STR_T STR_RIGHT_PARENTHESIS
1196 #define STRING_NOTEMPTY_RIGHTPAR STR_N STR_O STR_T STR_E STR_M STR_P STR_T STR_Y STR_RIGHT_PARENTHESIS
1197 #define STRING_NOTEMPTY_ATSTART_RIGHTPAR STR_N STR_O STR_T STR_E STR_M STR_P STR_T STR_Y STR_UNDERSCORE STR_A STR_T STR_S STR_T STR_A STR_R STR_T STR_RIGHT_PARENTHESIS
1198 #define STRING_LIMIT_MATCH_EQ STR_L STR_I STR_M STR_I STR_T STR_UNDERSCORE STR_M STR_A STR_T STR_C STR_H STR_EQUALS_SIGN
1199 #define STRING_LIMIT_RECURSION_EQ STR_L STR_I STR_M STR_I STR_T STR_UNDERSCORE STR_R STR_E STR_C STR_U STR_R STR_S STR_I STR_O STR_N STR_EQUALS_SIGN
1200 #define STRING_MARK STR_M STR_A STR_R STR_K
1201
1202 #endif /* SUPPORT_UNICODE */
1203
1204 /* -------------------- End of character and string names -------------------*/
1205
1206 /* -------------------- Definitions for compiled patterns -------------------*/
1207
1208 /* Codes for different types of Unicode property */
1209
1210 #define PT_ANY 0 /* Any property - matches all chars */
1211 #define PT_LAMP 1 /* L& - the union of Lu, Ll, Lt */
1212 #define PT_GC 2 /* Specified general characteristic (e.g. L) */
1213 #define PT_PC 3 /* Specified particular characteristic (e.g. Lu) */
1214 #define PT_SC 4 /* Script (e.g. Han) */
1215 #define PT_ALNUM 5 /* Alphanumeric - the union of L and N */
1216 #define PT_SPACE 6 /* Perl space - Z plus 9,10,12,13 */
1217 #define PT_PXSPACE 7 /* POSIX space - Z plus 9,10,11,12,13 */
1218 #define PT_WORD 8 /* Word - L plus N plus underscore */
1219 #define PT_CLIST 9 /* Pseudo-property: match character list */
1220 #define PT_UCNC 10 /* Universal Character nameable character */
1221 #define PT_TABSIZE 11 /* Size of square table for autopossessify tests */
1222
1223 /* The following special properties are used only in XCLASS items, when POSIX
1224 classes are specified and PCRE2_UCP is set - in other words, for Unicode
1225 handling of these classes. They are not available via the \p or \P escapes like
1226 those in the above list, and so they do not take part in the autopossessifying
1227 table. */
1228
1229 #define PT_PXGRAPH 11 /* [:graph:] - characters that mark the paper */
1230 #define PT_PXPRINT 12 /* [:print:] - [:graph:] plus non-control spaces */
1231 #define PT_PXPUNCT 13 /* [:punct:] - punctuation characters */
1232
1233 /* Flag bits and data types for the extended class (OP_XCLASS) for classes that
1234 contain characters with values greater than 255. */
1235
1236 #define XCL_NOT 0x01 /* Flag: this is a negative class */
1237 #define XCL_MAP 0x02 /* Flag: a 32-byte map is present */
1238 #define XCL_HASPROP 0x04 /* Flag: property checks are present. */
1239
1240 #define XCL_END 0 /* Marks end of individual items */
1241 #define XCL_SINGLE 1 /* Single item (one multibyte char) follows */
1242 #define XCL_RANGE 2 /* A range (two multibyte chars) follows */
1243 #define XCL_PROP 3 /* Unicode property (2-byte property code follows) */
1244 #define XCL_NOTPROP 4 /* Unicode inverted property (ditto) */
1245
1246 /* Escape items that are just an encoding of a particular data value. These
1247 appear in the escapes[] table in pcre2_compile.c as positive numbers. */
1248
1249 #ifndef ESC_a
1250 #define ESC_a CHAR_BEL
1251 #endif
1252
1253 #ifndef ESC_e
1254 #define ESC_e CHAR_ESC
1255 #endif
1256
1257 #ifndef ESC_f
1258 #define ESC_f CHAR_FF
1259 #endif
1260
1261 #ifndef ESC_n
1262 #define ESC_n CHAR_LF
1263 #endif
1264
1265 #ifndef ESC_r
1266 #define ESC_r CHAR_CR
1267 #endif
1268
1269 /* We can't officially use ESC_t because it is a POSIX reserved identifier
1270 (presumably because of all the others like size_t). */
1271
1272 #ifndef ESC_tee
1273 #define ESC_tee CHAR_HT
1274 #endif
1275
1276 /* These are escaped items that aren't just an encoding of a particular data
1277 value such as \n. They must have non-zero values, as check_escape() returns 0
1278 for a data character. In the escapes[] table in pcre2_compile.c their values
1279 are negated in order to distinguish them from data values.
1280
1281 They must appear here in the same order as in the opcode definitions below, up
1282 to ESC_z. There's a dummy for OP_ALLANY because it corresponds to "." in DOTALL
1283 mode rather than an escape sequence. It is also used for [^] in JavaScript
1284 compatibility mode, and for \C in non-utf mode. In non-DOTALL mode, "." behaves
1285 like \N.
1286
1287 Negative numbers are used to encode a backreference (\1, \2, \3, etc.) in
1288 check_escape(). There are tests in the code for an escape greater than ESC_b
1289 and less than ESC_Z to detect the types that may be repeated. These are the
1290 types that consume characters. If any new escapes are put in between that don't
1291 consume a character, that code will have to change. */
1292
1293 enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, ESC_b, ESC_D, ESC_d, ESC_S, ESC_s,
1294 ESC_W, ESC_w, ESC_N, ESC_dum, ESC_C, ESC_P, ESC_p, ESC_R, ESC_H,
1295 ESC_h, ESC_V, ESC_v, ESC_X, ESC_Z, ESC_z,
1296 ESC_E, ESC_Q, ESC_g, ESC_k };
1297
1298
1299 /********************** Opcode definitions ******************/
1300
1301 /****** NOTE NOTE NOTE ******
1302
1303 Starting from 1 (i.e. after OP_END), the values up to OP_EOD must correspond in
1304 order to the list of escapes immediately above. Furthermore, values up to
1305 OP_DOLLM must not be changed without adjusting the table called autoposstab in
1306 pcre2_auto_possess.c
1307
1308 Whenever this list is updated, the two macro definitions that follow must be
1309 updated to match. The possessification table called "opcode_possessify" in
1310 pcre2_compile.c must also be updated, and also the tables called "coptable"
1311 and "poptable" in pcre2_dfa_match.c.
1312
1313 ****** NOTE NOTE NOTE ******/
1314
1315
1316 /* The values between FIRST_AUTOTAB_OP and LAST_AUTOTAB_RIGHT_OP, inclusive,
1317 are used in a table for deciding whether a repeated character type can be
1318 auto-possessified. */
1319
1320 #define FIRST_AUTOTAB_OP OP_NOT_DIGIT
1321 #define LAST_AUTOTAB_LEFT_OP OP_EXTUNI
1322 #define LAST_AUTOTAB_RIGHT_OP OP_DOLLM
1323
1324 enum {
1325 OP_END, /* 0 End of pattern */
1326
1327 /* Values corresponding to backslashed metacharacters */
1328
1329 OP_SOD, /* 1 Start of data: \A */
1330 OP_SOM, /* 2 Start of match (subject + offset): \G */
1331 OP_SET_SOM, /* 3 Set start of match (\K) */
1332 OP_NOT_WORD_BOUNDARY, /* 4 \B */
1333 OP_WORD_BOUNDARY, /* 5 \b */
1334 OP_NOT_DIGIT, /* 6 \D */
1335 OP_DIGIT, /* 7 \d */
1336 OP_NOT_WHITESPACE, /* 8 \S */
1337 OP_WHITESPACE, /* 9 \s */
1338 OP_NOT_WORDCHAR, /* 10 \W */
1339 OP_WORDCHAR, /* 11 \w */
1340
1341 OP_ANY, /* 12 Match any character except newline (\N) */
1342 OP_ALLANY, /* 13 Match any character */
1343 OP_ANYBYTE, /* 14 Match any byte (\C); different to OP_ANY for UTF-8 */
1344 OP_NOTPROP, /* 15 \P (not Unicode property) */
1345 OP_PROP, /* 16 \p (Unicode property) */
1346 OP_ANYNL, /* 17 \R (any newline sequence) */
1347 OP_NOT_HSPACE, /* 18 \H (not horizontal whitespace) */
1348 OP_HSPACE, /* 19 \h (horizontal whitespace) */
1349 OP_NOT_VSPACE, /* 20 \V (not vertical whitespace) */
1350 OP_VSPACE, /* 21 \v (vertical whitespace) */
1351 OP_EXTUNI, /* 22 \X (extended Unicode sequence */
1352 OP_EODN, /* 23 End of data or \n at end of data (\Z) */
1353 OP_EOD, /* 24 End of data (\z) */
1354
1355 /* Line end assertions */
1356
1357 OP_DOLL, /* 25 End of line - not multiline */
1358 OP_DOLLM, /* 26 End of line - multiline */
1359 OP_CIRC, /* 27 Start of line - not multiline */
1360 OP_CIRCM, /* 28 Start of line - multiline */
1361
1362 /* Single characters; caseful must precede the caseless ones, and these
1363 must remain in this order, and adjacent. */
1364
1365 OP_CHAR, /* 29 Match one character, casefully */
1366 OP_CHARI, /* 30 Match one character, caselessly */
1367 OP_NOT, /* 31 Match one character, not the given one, casefully */
1368 OP_NOTI, /* 32 Match one character, not the given one, caselessly */
1369
1370 /* The following sets of 13 opcodes must always be kept in step because
1371 the offset from the first one is used to generate the others. */
1372
1373 /* Repeated characters; caseful must precede the caseless ones */
1374
1375 OP_STAR, /* 33 The maximizing and minimizing versions of */
1376 OP_MINSTAR, /* 34 these six opcodes must come in pairs, with */
1377 OP_PLUS, /* 35 the minimizing one second. */
1378 OP_MINPLUS, /* 36 */
1379 OP_QUERY, /* 37 */
1380 OP_MINQUERY, /* 38 */
1381
1382 OP_UPTO, /* 39 From 0 to n matches of one character, caseful*/
1383 OP_MINUPTO, /* 40 */
1384 OP_EXACT, /* 41 Exactly n matches */
1385
1386 OP_POSSTAR, /* 42 Possessified star, caseful */
1387 OP_POSPLUS, /* 43 Possessified plus, caseful */
1388 OP_POSQUERY, /* 44 Posesssified query, caseful */
1389 OP_POSUPTO, /* 45 Possessified upto, caseful */
1390
1391 /* Repeated characters; caseless must follow the caseful ones */
1392
1393 OP_STARI, /* 46 */
1394 OP_MINSTARI, /* 47 */
1395 OP_PLUSI, /* 48 */
1396 OP_MINPLUSI, /* 49 */
1397 OP_QUERYI, /* 50 */
1398 OP_MINQUERYI, /* 51 */
1399
1400 OP_UPTOI, /* 52 From 0 to n matches of one character, caseless */
1401 OP_MINUPTOI, /* 53 */
1402 OP_EXACTI, /* 54 */
1403
1404 OP_POSSTARI, /* 55 Possessified star, caseless */
1405 OP_POSPLUSI, /* 56 Possessified plus, caseless */
1406 OP_POSQUERYI, /* 57 Posesssified query, caseless */
1407 OP_POSUPTOI, /* 58 Possessified upto, caseless */
1408
1409 /* The negated ones must follow the non-negated ones, and match them */
1410 /* Negated repeated character, caseful; must precede the caseless ones */
1411
1412 OP_NOTSTAR, /* 59 The maximizing and minimizing versions of */
1413 OP_NOTMINSTAR, /* 60 these six opcodes must come in pairs, with */
1414 OP_NOTPLUS, /* 61 the minimizing one second. They must be in */
1415 OP_NOTMINPLUS, /* 62 exactly the same order as those above. */
1416 OP_NOTQUERY, /* 63 */
1417 OP_NOTMINQUERY, /* 64 */
1418
1419 OP_NOTUPTO, /* 65 From 0 to n matches, caseful */
1420 OP_NOTMINUPTO, /* 66 */
1421 OP_NOTEXACT, /* 67 Exactly n matches */
1422
1423 OP_NOTPOSSTAR, /* 68 Possessified versions, caseful */
1424 OP_NOTPOSPLUS, /* 69 */
1425 OP_NOTPOSQUERY, /* 70 */
1426 OP_NOTPOSUPTO, /* 71 */
1427
1428 /* Negated repeated character, caseless; must follow the caseful ones */
1429
1430 OP_NOTSTARI, /* 72 */
1431 OP_NOTMINSTARI, /* 73 */
1432 OP_NOTPLUSI, /* 74 */
1433 OP_NOTMINPLUSI, /* 75 */
1434 OP_NOTQUERYI, /* 76 */
1435 OP_NOTMINQUERYI, /* 77 */
1436
1437 OP_NOTUPTOI, /* 78 From 0 to n matches, caseless */
1438 OP_NOTMINUPTOI, /* 79 */
1439 OP_NOTEXACTI, /* 80 Exactly n matches */
1440
1441 OP_NOTPOSSTARI, /* 81 Possessified versions, caseless */
1442 OP_NOTPOSPLUSI, /* 82 */
1443 OP_NOTPOSQUERYI, /* 83 */
1444 OP_NOTPOSUPTOI, /* 84 */
1445
1446 /* Character types */
1447
1448 OP_TYPESTAR, /* 85 The maximizing and minimizing versions of */
1449 OP_TYPEMINSTAR, /* 86 these six opcodes must come in pairs, with */
1450 OP_TYPEPLUS, /* 87 the minimizing one second. These codes must */
1451 OP_TYPEMINPLUS, /* 88 be in exactly the same order as those above. */
1452 OP_TYPEQUERY, /* 89 */
1453 OP_TYPEMINQUERY, /* 90 */
1454
1455 OP_TYPEUPTO, /* 91 From 0 to n matches */
1456 OP_TYPEMINUPTO, /* 92 */
1457 OP_TYPEEXACT, /* 93 Exactly n matches */
1458
1459 OP_TYPEPOSSTAR, /* 94 Possessified versions */
1460 OP_TYPEPOSPLUS, /* 95 */
1461 OP_TYPEPOSQUERY, /* 96 */
1462 OP_TYPEPOSUPTO, /* 97 */
1463
1464 /* These are used for character classes and back references; only the
1465 first six are the same as the sets above. */
1466
1467 OP_CRSTAR, /* 98 The maximizing and minimizing versions of */
1468 OP_CRMINSTAR, /* 99 all these opcodes must come in pairs, with */
1469 OP_CRPLUS, /* 100 the minimizing one second. These codes must */
1470 OP_CRMINPLUS, /* 101 be in exactly the same order as those above. */
1471 OP_CRQUERY, /* 102 */
1472 OP_CRMINQUERY, /* 103 */
1473
1474 OP_CRRANGE, /* 104 These are different to the three sets above. */
1475 OP_CRMINRANGE, /* 105 */
1476
1477 OP_CRPOSSTAR, /* 106 Possessified versions */
1478 OP_CRPOSPLUS, /* 107 */
1479 OP_CRPOSQUERY, /* 108 */
1480 OP_CRPOSRANGE, /* 109 */
1481
1482 /* End of quantifier opcodes */
1483
1484 OP_CLASS, /* 110 Match a character class, chars < 256 only */
1485 OP_NCLASS, /* 111 Same, but the bitmap was created from a negative
1486 class - the difference is relevant only when a
1487 character > 255 is encountered. */
1488 OP_XCLASS, /* 112 Extended class for handling > 255 chars within the
1489 class. This does both positive and negative. */
1490 OP_REF, /* 113 Match a back reference, casefully */
1491 OP_REFI, /* 114 Match a back reference, caselessly */
1492 OP_DNREF, /* 115 Match a duplicate name backref, casefully */
1493 OP_DNREFI, /* 116 Match a duplicate name backref, caselessly */
1494 OP_RECURSE, /* 117 Match a numbered subpattern (possibly recursive) */
1495 OP_CALLOUT, /* 118 Call out to external function if provided */
1496 OP_CALLOUT_STR, /* 119 Call out with string argument */
1497
1498 OP_ALT, /* 120 Start of alternation */
1499 OP_KET, /* 121 End of group that doesn't have an unbounded repeat */
1500 OP_KETRMAX, /* 122 These two must remain together and in this */
1501 OP_KETRMIN, /* 123 order. They are for groups the repeat for ever. */
1502 OP_KETRPOS, /* 124 Possessive unlimited repeat. */
1503
1504 /* The assertions must come before BRA, CBRA, ONCE, and COND, and the four
1505 asserts must remain in order. */
1506
1507 OP_REVERSE, /* 125 Move pointer back - used in lookbehind assertions */
1508 OP_ASSERT, /* 126 Positive lookahead */
1509 OP_ASSERT_NOT, /* 127 Negative lookahead */
1510 OP_ASSERTBACK, /* 128 Positive lookbehind */
1511 OP_ASSERTBACK_NOT, /* 129 Negative lookbehind */
1512
1513 /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately
1514 after the assertions, with ONCE first, as there's a test for >= ONCE for a
1515 subpattern that isn't an assertion. The POS versions must immediately follow
1516 the non-POS versions in each case. */
1517
1518 OP_ONCE, /* 130 Atomic group, contains captures */
1519 OP_ONCE_NC, /* 131 Atomic group containing no captures */
1520 OP_BRA, /* 132 Start of non-capturing bracket */
1521 OP_BRAPOS, /* 133 Ditto, with unlimited, possessive repeat */
1522 OP_CBRA, /* 134 Start of capturing bracket */
1523 OP_CBRAPOS, /* 135 Ditto, with unlimited, possessive repeat */
1524 OP_COND, /* 136 Conditional group */
1525
1526 /* These five must follow the previous five, in the same order. There's a
1527 check for >= SBRA to distinguish the two sets. */
1528
1529 OP_SBRA, /* 137 Start of non-capturing bracket, check empty */
1530 OP_SBRAPOS, /* 138 Ditto, with unlimited, possessive repeat */
1531 OP_SCBRA, /* 139 Start of capturing bracket, check empty */
1532 OP_SCBRAPOS, /* 140 Ditto, with unlimited, possessive repeat */
1533 OP_SCOND, /* 141 Conditional group, check empty */
1534
1535 /* The next two pairs must (respectively) be kept together. */
1536
1537 OP_CREF, /* 142 Used to hold a capture number as condition */
1538 OP_DNCREF, /* 143 Used to point to duplicate names as a condition */
1539 OP_RREF, /* 144 Used to hold a recursion number as condition */
1540 OP_DNRREF, /* 145 Used to point to duplicate names as a condition */
1541 OP_FALSE, /* 146 Always false (used by DEFINE and VERSION) */
1542 OP_TRUE, /* 147 Always true (used by VERSION) */
1543
1544 OP_BRAZERO, /* 148 These two must remain together and in this */
1545 OP_BRAMINZERO, /* 149 order. */
1546 OP_BRAPOSZERO, /* 150 */
1547
1548 /* These are backtracking control verbs */
1549
1550 OP_MARK, /* 151 always has an argument */
1551 OP_PRUNE, /* 152 */
1552 OP_PRUNE_ARG, /* 153 same, but with argument */
1553 OP_SKIP, /* 154 */
1554 OP_SKIP_ARG, /* 155 same, but with argument */
1555 OP_THEN, /* 156 */
1556 OP_THEN_ARG, /* 157 same, but with argument */
1557 OP_COMMIT, /* 158 */
1558
1559 /* These are forced failure and success verbs */
1560
1561 OP_FAIL, /* 159 */
1562 OP_ACCEPT, /* 160 */
1563 OP_ASSERT_ACCEPT, /* 161 Used inside assertions */
1564 OP_CLOSE, /* 162 Used before OP_ACCEPT to close open captures */
1565
1566 /* This is used to skip a subpattern with a {0} quantifier */
1567
1568 OP_SKIPZERO, /* 163 */
1569
1570 /* This is used to identify a DEFINE group during compilation so that it can
1571 be checked for having only one branch. It is changed to OP_FALSE before
1572 compilation finishes. */
1573
1574 OP_DEFINE, /* 164 */
1575
1576 /* This is not an opcode, but is used to check that tables indexed by opcode
1577 are the correct length, in order to catch updating errors - there have been
1578 some in the past. */
1579
1580 OP_TABLE_LENGTH
1581
1582 };
1583
1584 /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro
1585 definitions that follow must also be updated to match. There are also tables
1586 called "opcode_possessify" in pcre2_compile.c and "coptable" and "poptable" in
1587 pcre2_dfa_exec.c that must be updated. */
1588
1589
1590 /* This macro defines textual names for all the opcodes. These are used only
1591 for debugging, and some of them are only partial names. The macro is referenced
1592 only in pcre2_printint.c, which fills out the full names in many cases (and in
1593 some cases doesn't actually use these names at all). */
1594
1595 #define OP_NAME_LIST \
1596 "End", "\\A", "\\G", "\\K", "\\B", "\\b", "\\D", "\\d", \
1597 "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte", \
1598 "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v", \
1599 "extuni", "\\Z", "\\z", \
1600 "$", "$", "^", "^", "char", "chari", "not", "noti", \
1601 "*", "*?", "+", "+?", "?", "??", \
1602 "{", "{", "{", \
1603 "*+","++", "?+", "{", \
1604 "*", "*?", "+", "+?", "?", "??", \
1605 "{", "{", "{", \
1606 "*+","++", "?+", "{", \
1607 "*", "*?", "+", "+?", "?", "??", \
1608 "{", "{", "{", \
1609 "*+","++", "?+", "{", \
1610 "*", "*?", "+", "+?", "?", "??", \
1611 "{", "{", "{", \
1612 "*+","++", "?+", "{", \
1613 "*", "*?", "+", "+?", "?", "??", "{", "{", "{", \
1614 "*+","++", "?+", "{", \
1615 "*", "*?", "+", "+?", "?", "??", "{", "{", \
1616 "*+","++", "?+", "{", \
1617 "class", "nclass", "xclass", "Ref", "Refi", "DnRef", "DnRefi", \
1618 "Recurse", "Callout", "CalloutStr", \
1619 "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos", \
1620 "Reverse", "Assert", "Assert not", "AssertB", "AssertB not", \
1621 "Once", "Once_NC", \
1622 "Bra", "BraPos", "CBra", "CBraPos", \
1623 "Cond", \
1624 "SBra", "SBraPos", "SCBra", "SCBraPos", \
1625 "SCond", \
1626 "Cond ref", "Cond dnref", "Cond rec", "Cond dnrec", \
1627 "Cond false", "Cond true", \
1628 "Brazero", "Braminzero", "Braposzero", \
1629 "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP", \
1630 "*THEN", "*THEN", "*COMMIT", "*FAIL", \
1631 "*ACCEPT", "*ASSERT_ACCEPT", \
1632 "Close", "Skip zero", "Define"
1633
1634
1635 /* This macro defines the length of fixed length operations in the compiled
1636 regex. The lengths are used when searching for specific things, and also in the
1637 debugging printing of a compiled regex. We use a macro so that it can be
1638 defined close to the definitions of the opcodes themselves.
1639
1640 As things have been extended, some of these are no longer fixed lenths, but are
1641 minima instead. For example, the length of a single-character repeat may vary
1642 in UTF-8 mode. The code that uses this table must know about such things. */
1643
1644 #define OP_LENGTHS \
1645 1, /* End */ \
1646 1, 1, 1, 1, 1, /* \A, \G, \K, \B, \b */ \
1647 1, 1, 1, 1, 1, 1, /* \D, \d, \S, \s, \W, \w */ \
1648 1, 1, 1, /* Any, AllAny, Anybyte */ \
1649 3, 3, /* \P, \p */ \
1650 1, 1, 1, 1, 1, /* \R, \H, \h, \V, \v */ \
1651 1, /* \X */ \
1652 1, 1, 1, 1, 1, 1, /* \Z, \z, $, $M ^, ^M */ \
1653 2, /* Char - the minimum length */ \
1654 2, /* Chari - the minimum length */ \
1655 2, /* not */ \
1656 2, /* noti */ \
1657 /* Positive single-char repeats ** These are */ \
1658 2, 2, 2, 2, 2, 2, /* *, *?, +, +?, ?, ?? ** minima in */ \
1659 2+IMM2_SIZE, 2+IMM2_SIZE, /* upto, minupto ** mode */ \
1660 2+IMM2_SIZE, /* exact */ \
1661 2, 2, 2, 2+IMM2_SIZE, /* *+, ++, ?+, upto+ */ \
1662 2, 2, 2, 2, 2, 2, /* *I, *?I, +I, +?I, ?I, ??I ** UTF-8 */ \
1663 2+IMM2_SIZE, 2+IMM2_SIZE, /* upto I, minupto I */ \
1664 2+IMM2_SIZE, /* exact I */ \
1665 2, 2, 2, 2+IMM2_SIZE, /* *+I, ++I, ?+I, upto+I */ \
1666 /* Negative single-char repeats - only for chars < 256 */ \
1667 2, 2, 2, 2, 2, 2, /* NOT *, *?, +, +?, ?, ?? */ \
1668 2+IMM2_SIZE, 2+IMM2_SIZE, /* NOT upto, minupto */ \
1669 2+IMM2_SIZE, /* NOT exact */ \
1670 2, 2, 2, 2+IMM2_SIZE, /* Possessive NOT *, +, ?, upto */ \
1671 2, 2, 2, 2, 2, 2, /* NOT *I, *?I, +I, +?I, ?I, ??I */ \
1672 2+IMM2_SIZE, 2+IMM2_SIZE, /* NOT upto I, minupto I */ \
1673 2+IMM2_SIZE, /* NOT exact I */ \
1674 2, 2, 2, 2+IMM2_SIZE, /* Possessive NOT *I, +I, ?I, upto I */ \
1675 /* Positive type repeats */ \
1676 2, 2, 2, 2, 2, 2, /* Type *, *?, +, +?, ?, ?? */ \
1677 2+IMM2_SIZE, 2+IMM2_SIZE, /* Type upto, minupto */ \
1678 2+IMM2_SIZE, /* Type exact */ \
1679 2, 2, 2, 2+IMM2_SIZE, /* Possessive *+, ++, ?+, upto+ */ \
1680 /* Character class & ref repeats */ \
1681 1, 1, 1, 1, 1, 1, /* *, *?, +, +?, ?, ?? */ \
1682 1+2*IMM2_SIZE, 1+2*IMM2_SIZE, /* CRRANGE, CRMINRANGE */ \
1683 1, 1, 1, 1+2*IMM2_SIZE, /* Possessive *+, ++, ?+, CRPOSRANGE */ \
1684 1+(32/sizeof(PCRE2_UCHAR)), /* CLASS */ \
1685 1+(32/sizeof(PCRE2_UCHAR)), /* NCLASS */ \
1686 0, /* XCLASS - variable length */ \
1687 1+IMM2_SIZE, /* REF */ \
1688 1+IMM2_SIZE, /* REFI */ \
1689 1+2*IMM2_SIZE, /* DNREF */ \
1690 1+2*IMM2_SIZE, /* DNREFI */ \
1691 1+LINK_SIZE, /* RECURSE */ \
1692 1+2*LINK_SIZE+1, /* CALLOUT */ \
1693 0, /* CALLOUT_STR - variable length */ \
1694 1+LINK_SIZE, /* Alt */ \
1695 1+LINK_SIZE, /* Ket */ \
1696 1+LINK_SIZE, /* KetRmax */ \
1697 1+LINK_SIZE, /* KetRmin */ \
1698 1+LINK_SIZE, /* KetRpos */ \
1699 1+LINK_SIZE, /* Reverse */ \
1700 1+LINK_SIZE, /* Assert */ \
1701 1+LINK_SIZE, /* Assert not */ \
1702 1+LINK_SIZE, /* Assert behind */ \
1703 1+LINK_SIZE, /* Assert behind not */ \
1704 1+LINK_SIZE, /* ONCE */ \
1705 1+LINK_SIZE, /* ONCE_NC */ \
1706 1+LINK_SIZE, /* BRA */ \
1707 1+LINK_SIZE, /* BRAPOS */ \
1708 1+LINK_SIZE+IMM2_SIZE, /* CBRA */ \
1709 1+LINK_SIZE+IMM2_SIZE, /* CBRAPOS */ \
1710 1+LINK_SIZE, /* COND */ \
1711 1+LINK_SIZE, /* SBRA */ \
1712 1+LINK_SIZE, /* SBRAPOS */ \
1713 1+LINK_SIZE+IMM2_SIZE, /* SCBRA */ \
1714 1+LINK_SIZE+IMM2_SIZE, /* SCBRAPOS */ \
1715 1+LINK_SIZE, /* SCOND */ \
1716 1+IMM2_SIZE, 1+2*IMM2_SIZE, /* CREF, DNCREF */ \
1717 1+IMM2_SIZE, 1+2*IMM2_SIZE, /* RREF, DNRREF */ \
1718 1, 1, /* FALSE, TRUE */ \
1719 1, 1, 1, /* BRAZERO, BRAMINZERO, BRAPOSZERO */ \
1720 3, 1, 3, /* MARK, PRUNE, PRUNE_ARG */ \
1721 1, 3, /* SKIP, SKIP_ARG */ \
1722 1, 3, /* THEN, THEN_ARG */ \
1723 1, 1, 1, 1, /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT */ \
1724 1+IMM2_SIZE, 1, /* CLOSE, SKIPZERO */ \
1725 1 /* DEFINE */
1726
1727 /* A magic value for OP_RREF to indicate the "any recursion" condition. */
1728
1729 #define RREF_ANY 0xffff
1730
1731
1732 /* ---------- Private structures that are mode-independent. ---------- */
1733
1734 /* Structure to hold data for custom memory management. */
1735
1736 typedef struct pcre2_memctl {
1737 void * (*malloc)(size_t, void *);
1738 void (*free)(void *, void *);
1739 void *memory_data;
1740 } pcre2_memctl;
1741
1742 /* Structure for building a chain of open capturing subpatterns during
1743 compiling, so that instructions to close them can be compiled when (*ACCEPT) is
1744 encountered. This is also used to identify subpatterns that contain recursive
1745 back references to themselves, so that they can be made atomic. */
1746
1747 typedef struct open_capitem {
1748 struct open_capitem *next; /* Chain link */
1749 uint16_t number; /* Capture number */
1750 uint16_t flag; /* Set TRUE if recursive back ref */
1751 } open_capitem;
1752
1753 /* Layout of the UCP type table that translates property names into types and
1754 codes. Each entry used to point directly to a name, but to reduce the number of
1755 relocations in shared libraries, it now has an offset into a single string
1756 instead. */
1757
1758 typedef struct {
1759 uint16_t name_offset;
1760 uint16_t type;
1761 uint16_t value;
1762 } ucp_type_table;
1763
1764 /* Unicode character database (UCD) record format */
1765
1766 typedef struct {
1767 uint8_t script; /* ucp_Arabic, etc. */
1768 uint8_t chartype; /* ucp_Cc, etc. (general categories) */
1769 uint8_t gbprop; /* ucp_gbControl, etc. (grapheme break property) */
1770 uint8_t caseset; /* offset to multichar other cases or zero */
1771 int32_t other_case; /* offset to other case, or zero if none */
1772 } ucd_record;
1773
1774 /* UCD access macros */
1775
1776 #define UCD_BLOCK_SIZE 128
1777 #define GET_UCD(ch) (PRIV(ucd_records) + \
1778 PRIV(ucd_stage2)[PRIV(ucd_stage1)[(int)(ch) / UCD_BLOCK_SIZE] * \
1779 UCD_BLOCK_SIZE + (int)(ch) % UCD_BLOCK_SIZE])
1780
1781 #define UCD_CHARTYPE(ch) GET_UCD(ch)->chartype
1782 #define UCD_SCRIPT(ch) GET_UCD(ch)->script
1783 #define UCD_CATEGORY(ch) PRIV(ucp_gentype)[UCD_CHARTYPE(ch)]
1784 #define UCD_GRAPHBREAK(ch) GET_UCD(ch)->gbprop
1785 #define UCD_CASESET(ch) GET_UCD(ch)->caseset
1786 #define UCD_OTHERCASE(ch) ((uint32_t)((int)ch + (int)(GET_UCD(ch)->other_case)))
1787
1788 /* Header for serialized pcre2 codes. */
1789
1790 typedef struct pcre2_serialized_data {
1791 uint32_t magic;
1792 uint32_t version;
1793 uint32_t config;
1794 int32_t number_of_codes;
1795 } pcre2_serialized_data;
1796
1797
1798
1799 /* ----------------- Items that need PCRE2_CODE_UNIT_WIDTH ----------------- */
1800
1801 /* When this file is included by pcre2test, PCRE2_CODE_UNIT_WIDTH is defined as
1802 0, so the following items are omitted. */
1803
1804 #if defined PCRE2_CODE_UNIT_WIDTH && PCRE2_CODE_UNIT_WIDTH != 0
1805
1806 /* EBCDIC is supported only for the 8-bit library. */
1807
1808 #if defined EBCDIC && PCRE2_CODE_UNIT_WIDTH != 8
1809 #error EBCDIC is not supported for the 16-bit or 32-bit libraries
1810 #endif
1811
1812 /* This is the largest non-UTF code point. */
1813
1814 #define MAX_NON_UTF_CHAR (0xffffffffU >> (32 - PCRE2_CODE_UNIT_WIDTH))
1815
1816 /* Internal shared data tables and variables. These are used by more than one
1817 of the exported public functions. They have to be "external" in the C sense,
1818 but are not part of the PCRE2 public API. Although the data for some of them is
1819 identical in all libraries, they must have different names so that multiple
1820 libraries can be simultaneously linked to a single application. However, UTF-8
1821 tables are needed only when compiling the 8-bit library. */
1822
1823 #if PCRE2_CODE_UNIT_WIDTH == 8
1824 extern const int PRIV(utf8_table1)[];
1825 extern const int PRIV(utf8_table1_size);
1826 extern const int PRIV(utf8_table2)[];
1827 extern const int PRIV(utf8_table3)[];
1828 extern const uint8_t PRIV(utf8_table4)[];
1829 #endif
1830
1831 #define _pcre2_OP_lengths PCRE2_SUFFIX(_pcre2_OP_lengths_)
1832 #define _pcre2_callout_end_delims PCRE2_SUFFIX(_pcre2_callout_end_delims_)
1833 #define _pcre2_callout_start_delims PCRE2_SUFFIX(_pcre2_callout_start_delims_)
1834 #define _pcre2_default_compile_context PCRE2_SUFFIX(_pcre2_default_compile_context_)
1835 #define _pcre2_default_match_context PCRE2_SUFFIX(_pcre2_default_match_context_)
1836 #define _pcre2_default_tables PCRE2_SUFFIX(_pcre2_default_tables_)
1837 #define _pcre2_hspace_list PCRE2_SUFFIX(_pcre2_hspace_list_)
1838 #define _pcre2_vspace_list PCRE2_SUFFIX(_pcre2_vspace_list_)
1839 #define _pcre2_ucd_caseless_sets PCRE2_SUFFIX(_pcre2_ucd_caseless_sets_)
1840 #define _pcre2_ucd_records PCRE2_SUFFIX(_pcre2_ucd_records_)
1841 #define _pcre2_ucd_stage1 PCRE2_SUFFIX(_pcre2_ucd_stage1_)
1842 #define _pcre2_ucd_stage2 PCRE2_SUFFIX(_pcre2_ucd_stage2_)
1843 #define _pcre2_ucp_gbtable PCRE2_SUFFIX(_pcre2_ucp_gbtable_)
1844 #define _pcre2_ucp_gentype PCRE2_SUFFIX(_pcre2_ucp_gentype_)
1845 #define _pcre2_ucp_typerange PCRE2_SUFFIX(_pcre2_ucp_typerange_)
1846 #define _pcre2_unicode_version PCRE2_SUFFIX(_pcre2_unicode_version_)
1847 #define _pcre2_utt PCRE2_SUFFIX(_pcre2_utt_)
1848 #define _pcre2_utt_names PCRE2_SUFFIX(_pcre2_utt_names_)
1849 #define _pcre2_utt_size PCRE2_SUFFIX(_pcre2_utt_size_)
1850
1851 extern const uint8_t PRIV(OP_lengths)[];
1852 extern const uint32_t PRIV(callout_end_delims)[];
1853 extern const uint32_t PRIV(callout_start_delims)[];
1854 extern const pcre2_compile_context PRIV(default_compile_context);
1855 extern const pcre2_match_context PRIV(default_match_context);
1856 extern const uint8_t PRIV(default_tables)[];
1857 extern const uint32_t PRIV(hspace_list)[];
1858 extern const uint32_t PRIV(vspace_list)[];
1859 extern const uint32_t PRIV(ucd_caseless_sets)[];
1860 extern const ucd_record PRIV(ucd_records)[];
1861 extern const uint8_t PRIV(ucd_stage1)[];
1862 extern const uint16_t PRIV(ucd_stage2)[];
1863 extern const uint32_t PRIV(ucp_gbtable)[];
1864 extern const uint32_t PRIV(ucp_gentype)[];
1865 #ifdef SUPPORT_JIT
1866 extern const int PRIV(ucp_typerange)[];
1867 #endif
1868 extern const char *PRIV(unicode_version);
1869 extern const ucp_type_table PRIV(utt)[];
1870 extern const char PRIV(utt_names)[];
1871 extern const size_t PRIV(utt_size);
1872
1873 /* Mode-dependent macros and hidden and private structures are defined in a
1874 separate file so that pcre2test can include them at all supported widths. When
1875 compiling the library, PCRE2_CODE_UNIT_WIDTH will be defined, and we can
1876 include them at the appropriate width, after setting up suffix macros for the
1877 private structures. */
1878
1879 #define branch_chain PCRE2_SUFFIX(branch_chain_)
1880 #define compile_block PCRE2_SUFFIX(compile_block_)
1881 #define dfa_match_block PCRE2_SUFFIX(dfa_match_block_)
1882 #define match_block PCRE2_SUFFIX(match_block_)
1883 #define named_group PCRE2_SUFFIX(named_group_)
1884
1885 #include "pcre2_intmodedep.h"
1886
1887 /* Private "external" functions. These are internal functions that are called
1888 from modules other than the one in which they are defined. They have to be
1889 "external" in the C sense, but are not part of the PCRE2 public API. They are
1890 not referenced from pcre2test, and must not be defined when no code unit width
1891 is available. */
1892
1893 #define _pcre2_auto_possessify PCRE2_SUFFIX(_pcre2_auto_possessify_)
1894 #define _pcre2_check_escape PCRE2_SUFFIX(_pcre2_check_escape_)
1895 #define _pcre2_find_bracket PCRE2_SUFFIX(_pcre2_find_bracket_)
1896 #define _pcre2_is_newline PCRE2_SUFFIX(_pcre2_is_newline_)
1897 #define _pcre2_jit_free_rodata PCRE2_SUFFIX(_pcre2_jit_free_rodata_)
1898 #define _pcre2_jit_free PCRE2_SUFFIX(_pcre2_jit_free_)
1899 #define _pcre2_jit_get_size PCRE2_SUFFIX(_pcre2_jit_get_size_)
1900 #define _pcre2_jit_get_target PCRE2_SUFFIX(_pcre2_jit_get_target_)
1901 #define _pcre2_memctl_malloc PCRE2_SUFFIX(_pcre2_memctl_malloc_)
1902 #define _pcre2_ord2utf PCRE2_SUFFIX(_pcre2_ord2utf_)
1903 #define _pcre2_strcmp PCRE2_SUFFIX(_pcre2_strcmp_)
1904 #define _pcre2_strcmp_c8 PCRE2_SUFFIX(_pcre2_strcmp_c8_)
1905 #define _pcre2_strcpy_c8 PCRE2_SUFFIX(_pcre2_strcpy_c8_)
1906 #define _pcre2_strlen PCRE2_SUFFIX(_pcre2_strlen_)
1907 #define _pcre2_strncmp PCRE2_SUFFIX(_pcre2_strncmp_)
1908 #define _pcre2_strncmp_c8 PCRE2_SUFFIX(_pcre2_strncmp_c8_)
1909 #define _pcre2_study PCRE2_SUFFIX(_pcre2_study_)
1910 #define _pcre2_valid_utf PCRE2_SUFFIX(_pcre2_valid_utf_)
1911 #define _pcre2_was_newline PCRE2_SUFFIX(_pcre2_was_newline_)
1912 #define _pcre2_xclass PCRE2_SUFFIX(_pcre2_xclass_)
1913
1914 extern int _pcre2_auto_possessify(PCRE2_UCHAR *, BOOL,
1915 const compile_block *);
1916 extern int _pcre2_check_escape(PCRE2_SPTR *, PCRE2_SPTR, uint32_t *,
1917 int *, uint32_t, BOOL, compile_block *);
1918 extern PCRE2_SPTR _pcre2_find_bracket(PCRE2_SPTR, BOOL, int);
1919 extern BOOL _pcre2_is_newline(PCRE2_SPTR, uint32_t, PCRE2_SPTR,
1920 uint32_t *, BOOL);
1921 extern void _pcre2_jit_free_rodata(void *, void *);
1922 extern void _pcre2_jit_free(void *, pcre2_memctl *);
1923 extern size_t _pcre2_jit_get_size(void *);
1924 const char * _pcre2_jit_get_target(void);
1925 extern void * _pcre2_memctl_malloc(size_t, pcre2_memctl *);
1926 extern unsigned int _pcre2_ord2utf(uint32_t, PCRE2_UCHAR *);
1927 extern int _pcre2_strcmp(PCRE2_SPTR, PCRE2_SPTR);
1928 extern int _pcre2_strcmp_c8(PCRE2_SPTR, const char *);
1929 extern PCRE2_SIZE _pcre2_strcpy_c8(PCRE2_UCHAR *, const char *);
1930 extern PCRE2_SIZE _pcre2_strlen(PCRE2_SPTR);
1931 extern int _pcre2_strncmp(PCRE2_SPTR, PCRE2_SPTR, size_t);
1932 extern int _pcre2_strncmp_c8(PCRE2_SPTR, const char *, size_t);
1933 extern int _pcre2_study(pcre2_real_code *);
1934 extern int _pcre2_valid_utf(PCRE2_SPTR, PCRE2_SIZE, PCRE2_SIZE *);
1935 extern BOOL _pcre2_was_newline(PCRE2_SPTR, uint32_t, PCRE2_SPTR,
1936 uint32_t *, BOOL);
1937 extern BOOL _pcre2_xclass(uint32_t, PCRE2_SPTR, BOOL);
1938 #endif /* PCRE2_CODE_UNIT_WIDTH */
1939
1940 /* End of pcre2_internal.h */

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