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Revision 788 - (hide annotations) (download)
Tue Dec 6 15:38:01 2011 UTC (2 years, 10 months ago) by ph10
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Source tidies for 8.21-RC1

1 nigel 77 /*************************************************
2     * Perl-Compatible Regular Expressions *
3     *************************************************/
4    
5    
6     /* PCRE is a library of functions to support regular expressions whose syntax
7     and semantics are as close as possible to those of the Perl 5 language.
8    
9     Written by Philip Hazel
10 ph10 642 Copyright (c) 1997-2011 University of Cambridge
11 nigel 77
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     /* This header contains definitions that are shared between the different
42     modules, but which are not relevant to the exported API. This includes some
43     functions whose names all begin with "_pcre_". */
44    
45 nigel 85 #ifndef PCRE_INTERNAL_H
46     #define PCRE_INTERNAL_H
47 nigel 77
48 ph10 475 /* Define PCRE_DEBUG to get debugging output on stdout. */
49 nigel 77
50 nigel 85 #if 0
51 ph10 475 #define PCRE_DEBUG
52 nigel 85 #endif
53 nigel 77
54 ph10 392 /* We do not support both EBCDIC and UTF-8 at the same time. The "configure"
55 ph10 391 script prevents both being selected, but not everybody uses "configure". */
56    
57     #if defined EBCDIC && defined SUPPORT_UTF8
58     #error The use of both EBCDIC and SUPPORT_UTF8 is not supported.
59     #endif
60    
61 ph10 406 /* If SUPPORT_UCP is defined, SUPPORT_UTF8 must also be defined. The
62 ph10 393 "configure" script ensures this, but not everybody uses "configure". */
63    
64     #if defined SUPPORT_UCP && !defined SUPPORT_UTF8
65     #define SUPPORT_UTF8 1
66     #endif
67    
68 nigel 77 /* Use a macro for debugging printing, 'cause that eliminates the use of #ifdef
69     inline, and there are *still* stupid compilers about that don't like indented
70     pre-processor statements, or at least there were when I first wrote this. After
71 nigel 93 all, it had only been about 10 years then...
72 nigel 77
73 nigel 93 It turns out that the Mac Debugging.h header also defines the macro DPRINTF, so
74     be absolutely sure we get our version. */
75    
76     #undef DPRINTF
77 ph10 475 #ifdef PCRE_DEBUG
78 nigel 77 #define DPRINTF(p) printf p
79     #else
80 nigel 93 #define DPRINTF(p) /* Nothing */
81 nigel 77 #endif
82    
83    
84     /* Standard C headers plus the external interface definition. The only time
85     setjmp and stdarg are used is when NO_RECURSE is set. */
86    
87     #include <ctype.h>
88     #include <limits.h>
89     #include <stddef.h>
90     #include <stdio.h>
91     #include <stdlib.h>
92     #include <string.h>
93    
94 ph10 145 /* When compiling a DLL for Windows, the exported symbols have to be declared
95     using some MS magic. I found some useful information on this web page:
96     http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the
97 ph10 154 information there, using __declspec(dllexport) without "extern" we have a
98 ph10 145 definition; with "extern" we have a declaration. The settings here override the
99     setting in pcre.h (which is included below); it defines only PCRE_EXP_DECL,
100 ph10 154 which is all that is needed for applications (they just import the symbols). We
101     use:
102 ph10 145
103     PCRE_EXP_DECL for declarations
104     PCRE_EXP_DEFN for definitions of exported functions
105     PCRE_EXP_DATA_DEFN for definitions of exported variables
106    
107     The reason for the two DEFN macros is that in non-Windows environments, one
108     does not want to have "extern" before variable definitions because it leads to
109     compiler warnings. So we distinguish between functions and variables. In
110     Windows, the two should always be the same.
111    
112     The reason for wrapping this in #ifndef PCRE_EXP_DECL is so that pcretest,
113     which is an application, but needs to import this file in order to "peek" at
114 ph10 154 internals, can #include pcre.h first to get an application's-eye view.
115 ph10 145
116     In principle, people compiling for non-Windows, non-Unix-like (i.e. uncommon,
117     special-purpose environments) might want to stick other stuff in front of
118     exported symbols. That's why, in the non-Windows case, we set PCRE_EXP_DEFN and
119     PCRE_EXP_DATA_DEFN only if they are not already set. */
120    
121     #ifndef PCRE_EXP_DECL
122     # ifdef _WIN32
123 ph10 199 # ifndef PCRE_STATIC
124 ph10 145 # define PCRE_EXP_DECL extern __declspec(dllexport)
125     # define PCRE_EXP_DEFN __declspec(dllexport)
126     # define PCRE_EXP_DATA_DEFN __declspec(dllexport)
127     # else
128     # define PCRE_EXP_DECL extern
129     # define PCRE_EXP_DEFN
130     # define PCRE_EXP_DATA_DEFN
131     # endif
132     # else
133     # ifdef __cplusplus
134     # define PCRE_EXP_DECL extern "C"
135     # else
136     # define PCRE_EXP_DECL extern
137     # endif
138     # ifndef PCRE_EXP_DEFN
139     # define PCRE_EXP_DEFN PCRE_EXP_DECL
140     # endif
141     # ifndef PCRE_EXP_DATA_DEFN
142     # define PCRE_EXP_DATA_DEFN
143     # endif
144     # endif
145 nigel 77 #endif
146    
147 ph10 359 /* When compiling with the MSVC compiler, it is sometimes necessary to include
148 ph10 371 a "calling convention" before exported function names. (This is secondhand
149 ph10 359 information; I know nothing about MSVC myself). For example, something like
150    
151     void __cdecl function(....)
152 ph10 371
153 ph10 359 might be needed. In order so make this easy, all the exported functions have
154     PCRE_CALL_CONVENTION just before their names. It is rarely needed; if not
155 ph10 371 set, we ensure here that it has no effect. */
156 ph10 359
157     #ifndef PCRE_CALL_CONVENTION
158     #define PCRE_CALL_CONVENTION
159     #endif
160    
161 nigel 77 /* We need to have types that specify unsigned 16-bit and 32-bit integers. We
162     cannot determine these outside the compilation (e.g. by running a program as
163     part of "configure") because PCRE is often cross-compiled for use on other
164     systems. Instead we make use of the maximum sizes that are available at
165     preprocessor time in standard C environments. */
166    
167     #if USHRT_MAX == 65535
168     typedef unsigned short pcre_uint16;
169 ph10 349 typedef short pcre_int16;
170 nigel 77 #elif UINT_MAX == 65535
171     typedef unsigned int pcre_uint16;
172 ph10 349 typedef int pcre_int16;
173 nigel 77 #else
174     #error Cannot determine a type for 16-bit unsigned integers
175     #endif
176    
177     #if UINT_MAX == 4294967295
178     typedef unsigned int pcre_uint32;
179 ph10 349 typedef int pcre_int32;
180 nigel 77 #elif ULONG_MAX == 4294967295
181     typedef unsigned long int pcre_uint32;
182 ph10 349 typedef long int pcre_int32;
183 nigel 77 #else
184     #error Cannot determine a type for 32-bit unsigned integers
185     #endif
186    
187 ph10 487 /* When checking for integer overflow in pcre_compile(), we need to handle
188     large integers. If a 64-bit integer type is available, we can use that.
189     Otherwise we have to cast to double, which of course requires floating point
190     arithmetic. Handle this by defining a macro for the appropriate type. If
191 ph10 494 stdint.h is available, include it; it may define INT64_MAX. Systems that do not
192     have stdint.h (e.g. Solaris) may have inttypes.h. The macro int64_t may be set
193     by "configure". */
194 ph10 475
195     #if HAVE_STDINT_H
196     #include <stdint.h>
197 ph10 494 #elif HAVE_INTTYPES_H
198     #include <inttypes.h>
199 ph10 475 #endif
200    
201     #if defined INT64_MAX || defined int64_t
202     #define INT64_OR_DOUBLE int64_t
203     #else
204     #define INT64_OR_DOUBLE double
205     #endif
206    
207 nigel 77 /* All character handling must be done as unsigned characters. Otherwise there
208     are problems with top-bit-set characters and functions such as isspace().
209     However, we leave the interface to the outside world as char *, because that
210     should make things easier for callers. We define a short type for unsigned char
211     to save lots of typing. I tried "uchar", but it causes problems on Digital
212     Unix, where it is defined in sys/types, so use "uschar" instead. */
213    
214     typedef unsigned char uschar;
215    
216 nigel 93 /* This is an unsigned int value that no character can ever have. UTF-8
217     characters only go up to 0x7fffffff (though Unicode doesn't go beyond
218     0x0010ffff). */
219 nigel 91
220 nigel 93 #define NOTACHAR 0xffffffff
221    
222     /* PCRE is able to support several different kinds of newline (CR, LF, CRLF,
223 ph10 149 "any" and "anycrlf" at present). The following macros are used to package up
224     testing for newlines. NLBLOCK, PSSTART, and PSEND are defined in the various
225     modules to indicate in which datablock the parameters exist, and what the
226     start/end of string field names are. */
227 nigel 93
228 ph10 149 #define NLTYPE_FIXED 0 /* Newline is a fixed length string */
229     #define NLTYPE_ANY 1 /* Newline is any Unicode line ending */
230     #define NLTYPE_ANYCRLF 2 /* Newline is CR, LF, or CRLF */
231 nigel 93
232     /* This macro checks for a newline at the given position */
233    
234 nigel 91 #define IS_NEWLINE(p) \
235 nigel 93 ((NLBLOCK->nltype != NLTYPE_FIXED)? \
236     ((p) < NLBLOCK->PSEND && \
237 ph10 149 _pcre_is_newline((p), NLBLOCK->nltype, NLBLOCK->PSEND, &(NLBLOCK->nllen),\
238     utf8)) \
239 nigel 93 : \
240     ((p) <= NLBLOCK->PSEND - NLBLOCK->nllen && \
241     (p)[0] == NLBLOCK->nl[0] && \
242     (NLBLOCK->nllen == 1 || (p)[1] == NLBLOCK->nl[1]) \
243     ) \
244     )
245 nigel 91
246 nigel 93 /* This macro checks for a newline immediately preceding the given position */
247    
248     #define WAS_NEWLINE(p) \
249     ((NLBLOCK->nltype != NLTYPE_FIXED)? \
250     ((p) > NLBLOCK->PSSTART && \
251 ph10 149 _pcre_was_newline((p), NLBLOCK->nltype, NLBLOCK->PSSTART, \
252     &(NLBLOCK->nllen), utf8)) \
253 nigel 93 : \
254     ((p) >= NLBLOCK->PSSTART + NLBLOCK->nllen && \
255     (p)[-NLBLOCK->nllen] == NLBLOCK->nl[0] && \
256     (NLBLOCK->nllen == 1 || (p)[-NLBLOCK->nllen+1] == NLBLOCK->nl[1]) \
257     ) \
258     )
259    
260 nigel 87 /* When PCRE is compiled as a C++ library, the subject pointer can be replaced
261     with a custom type. This makes it possible, for example, to allow pcre_exec()
262     to process subject strings that are discontinuous by using a smart pointer
263     class. It must always be possible to inspect all of the subject string in
264     pcre_exec() because of the way it backtracks. Two macros are required in the
265     normal case, for sign-unspecified and unsigned char pointers. The former is
266     used for the external interface and appears in pcre.h, which is why its name
267     must begin with PCRE_. */
268    
269     #ifdef CUSTOM_SUBJECT_PTR
270     #define PCRE_SPTR CUSTOM_SUBJECT_PTR
271     #define USPTR CUSTOM_SUBJECT_PTR
272     #else
273     #define PCRE_SPTR const char *
274     #define USPTR const unsigned char *
275     #endif
276    
277 ph10 145
278    
279 nigel 85 /* Include the public PCRE header and the definitions of UCP character property
280     values. */
281 nigel 77
282 ph10 189 #include "pcre.h"
283 nigel 77 #include "ucp.h"
284    
285     /* When compiling for use with the Virtual Pascal compiler, these functions
286     need to have their names changed. PCRE must be compiled with the -DVPCOMPAT
287     option on the command line. */
288    
289     #ifdef VPCOMPAT
290 ph10 101 #define strlen(s) _strlen(s)
291 nigel 77 #define strncmp(s1,s2,m) _strncmp(s1,s2,m)
292 ph10 101 #define memcmp(s,c,n) _memcmp(s,c,n)
293 nigel 77 #define memcpy(d,s,n) _memcpy(d,s,n)
294     #define memmove(d,s,n) _memmove(d,s,n)
295     #define memset(s,c,n) _memset(s,c,n)
296     #else /* VPCOMPAT */
297    
298     /* To cope with SunOS4 and other systems that lack memmove() but have bcopy(),
299     define a macro for memmove() if HAVE_MEMMOVE is false, provided that HAVE_BCOPY
300     is set. Otherwise, include an emulating function for those systems that have
301 ph10 118 neither (there some non-Unix environments where this is the case). */
302 nigel 77
303 ph10 137 #ifndef HAVE_MEMMOVE
304 nigel 77 #undef memmove /* some systems may have a macro */
305 ph10 137 #ifdef HAVE_BCOPY
306 nigel 77 #define memmove(a, b, c) bcopy(b, a, c)
307     #else /* HAVE_BCOPY */
308 nigel 91 static void *
309 ph10 108 pcre_memmove(void *d, const void *s, size_t n)
310 nigel 77 {
311 nigel 87 size_t i;
312 ph10 108 unsigned char *dest = (unsigned char *)d;
313     const unsigned char *src = (const unsigned char *)s;
314 ph10 118 if (dest > src)
315     {
316     dest += n;
317     src += n;
318     for (i = 0; i < n; ++i) *(--dest) = *(--src);
319     return (void *)dest;
320     }
321     else
322     {
323     for (i = 0; i < n; ++i) *dest++ = *src++;
324 ph10 123 return (void *)(dest - n);
325     }
326 nigel 77 }
327     #define memmove(a, b, c) pcre_memmove(a, b, c)
328     #endif /* not HAVE_BCOPY */
329     #endif /* not HAVE_MEMMOVE */
330     #endif /* not VPCOMPAT */
331    
332    
333     /* PCRE keeps offsets in its compiled code as 2-byte quantities (always stored
334     in big-endian order) by default. These are used, for example, to link from the
335     start of a subpattern to its alternatives and its end. The use of 2 bytes per
336     offset limits the size of the compiled regex to around 64K, which is big enough
337     for almost everybody. However, I received a request for an even bigger limit.
338     For this reason, and also to make the code easier to maintain, the storing and
339     loading of offsets from the byte string is now handled by the macros that are
340     defined here.
341    
342     The macros are controlled by the value of LINK_SIZE. This defaults to 2 in
343     the config.h file, but can be overridden by using -D on the command line. This
344     is automated on Unix systems via the "configure" command. */
345    
346     #if LINK_SIZE == 2
347    
348     #define PUT(a,n,d) \
349     (a[n] = (d) >> 8), \
350     (a[(n)+1] = (d) & 255)
351    
352     #define GET(a,n) \
353     (((a)[n] << 8) | (a)[(n)+1])
354    
355     #define MAX_PATTERN_SIZE (1 << 16)
356    
357    
358     #elif LINK_SIZE == 3
359    
360     #define PUT(a,n,d) \
361     (a[n] = (d) >> 16), \
362     (a[(n)+1] = (d) >> 8), \
363     (a[(n)+2] = (d) & 255)
364    
365     #define GET(a,n) \
366     (((a)[n] << 16) | ((a)[(n)+1] << 8) | (a)[(n)+2])
367    
368     #define MAX_PATTERN_SIZE (1 << 24)
369    
370    
371     #elif LINK_SIZE == 4
372    
373     #define PUT(a,n,d) \
374     (a[n] = (d) >> 24), \
375     (a[(n)+1] = (d) >> 16), \
376     (a[(n)+2] = (d) >> 8), \
377     (a[(n)+3] = (d) & 255)
378    
379     #define GET(a,n) \
380     (((a)[n] << 24) | ((a)[(n)+1] << 16) | ((a)[(n)+2] << 8) | (a)[(n)+3])
381    
382     #define MAX_PATTERN_SIZE (1 << 30) /* Keep it positive */
383    
384    
385     #else
386     #error LINK_SIZE must be either 2, 3, or 4
387     #endif
388    
389    
390     /* Convenience macro defined in terms of the others */
391    
392     #define PUTINC(a,n,d) PUT(a,n,d), a += LINK_SIZE
393    
394    
395     /* PCRE uses some other 2-byte quantities that do not change when the size of
396     offsets changes. There are used for repeat counts and for other things such as
397     capturing parenthesis numbers in back references. */
398    
399     #define PUT2(a,n,d) \
400     a[n] = (d) >> 8; \
401     a[(n)+1] = (d) & 255
402    
403     #define GET2(a,n) \
404     (((a)[n] << 8) | (a)[(n)+1])
405    
406     #define PUT2INC(a,n,d) PUT2(a,n,d), a += 2
407    
408    
409     /* When UTF-8 encoding is being used, a character is no longer just a single
410     byte. The macros for character handling generate simple sequences when used in
411 ph10 573 byte-mode, and more complicated ones for UTF-8 characters. GETCHARLENTEST is
412     not used when UTF-8 is not supported, so it is not defined, and BACKCHAR should
413     never be called in byte mode. To make sure they can never even appear when
414     UTF-8 support is omitted, we don't even define them. */
415 nigel 77
416     #ifndef SUPPORT_UTF8
417     #define GETCHAR(c, eptr) c = *eptr;
418     #define GETCHARTEST(c, eptr) c = *eptr;
419     #define GETCHARINC(c, eptr) c = *eptr++;
420     #define GETCHARINCTEST(c, eptr) c = *eptr++;
421     #define GETCHARLEN(c, eptr, len) c = *eptr;
422 ph10 573 /* #define GETCHARLENTEST(c, eptr, len) */
423 ph10 207 /* #define BACKCHAR(eptr) */
424 nigel 77
425     #else /* SUPPORT_UTF8 */
426    
427 ph10 573 /* These macros were originally written in the form of loops that used data
428     from the tables whose names start with _pcre_utf8_table. They were rewritten by
429     a user so as not to use loops, because in some environments this gives a
430     significant performance advantage, and it seems never to do any harm. */
431    
432     /* Base macro to pick up the remaining bytes of a UTF-8 character, not
433     advancing the pointer. */
434    
435     #define GETUTF8(c, eptr) \
436     { \
437     if ((c & 0x20) == 0) \
438     c = ((c & 0x1f) << 6) | (eptr[1] & 0x3f); \
439     else if ((c & 0x10) == 0) \
440     c = ((c & 0x0f) << 12) | ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
441     else if ((c & 0x08) == 0) \
442     c = ((c & 0x07) << 18) | ((eptr[1] & 0x3f) << 12) | \
443     ((eptr[2] & 0x3f) << 6) | (eptr[3] & 0x3f); \
444     else if ((c & 0x04) == 0) \
445     c = ((c & 0x03) << 24) | ((eptr[1] & 0x3f) << 18) | \
446     ((eptr[2] & 0x3f) << 12) | ((eptr[3] & 0x3f) << 6) | \
447     (eptr[4] & 0x3f); \
448     else \
449     c = ((c & 0x01) << 30) | ((eptr[1] & 0x3f) << 24) | \
450     ((eptr[2] & 0x3f) << 18) | ((eptr[3] & 0x3f) << 12) | \
451     ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \
452     }
453    
454 nigel 77 /* Get the next UTF-8 character, not advancing the pointer. This is called when
455     we know we are in UTF-8 mode. */
456    
457     #define GETCHAR(c, eptr) \
458     c = *eptr; \
459 ph10 573 if (c >= 0xc0) GETUTF8(c, eptr);
460 nigel 77
461     /* Get the next UTF-8 character, testing for UTF-8 mode, and not advancing the
462     pointer. */
463    
464     #define GETCHARTEST(c, eptr) \
465     c = *eptr; \
466 ph10 573 if (utf8 && c >= 0xc0) GETUTF8(c, eptr);
467    
468     /* Base macro to pick up the remaining bytes of a UTF-8 character, advancing
469     the pointer. */
470    
471     #define GETUTF8INC(c, eptr) \
472 nigel 77 { \
473 ph10 573 if ((c & 0x20) == 0) \
474     c = ((c & 0x1f) << 6) | (*eptr++ & 0x3f); \
475     else if ((c & 0x10) == 0) \
476 nigel 77 { \
477 ph10 573 c = ((c & 0x0f) << 12) | ((*eptr & 0x3f) << 6) | (eptr[1] & 0x3f); \
478     eptr += 2; \
479 nigel 77 } \
480 ph10 573 else if ((c & 0x08) == 0) \
481     { \
482     c = ((c & 0x07) << 18) | ((*eptr & 0x3f) << 12) | \
483     ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
484     eptr += 3; \
485     } \
486     else if ((c & 0x04) == 0) \
487     { \
488     c = ((c & 0x03) << 24) | ((*eptr & 0x3f) << 18) | \
489     ((eptr[1] & 0x3f) << 12) | ((eptr[2] & 0x3f) << 6) | \
490     (eptr[3] & 0x3f); \
491     eptr += 4; \
492     } \
493     else \
494     { \
495     c = ((c & 0x01) << 30) | ((*eptr & 0x3f) << 24) | \
496     ((eptr[1] & 0x3f) << 18) | ((eptr[2] & 0x3f) << 12) | \
497     ((eptr[3] & 0x3f) << 6) | (eptr[4] & 0x3f); \
498     eptr += 5; \
499     } \
500 nigel 77 }
501    
502     /* Get the next UTF-8 character, advancing the pointer. This is called when we
503     know we are in UTF-8 mode. */
504    
505     #define GETCHARINC(c, eptr) \
506     c = *eptr++; \
507 ph10 573 if (c >= 0xc0) GETUTF8INC(c, eptr);
508 nigel 77
509 ph10 529 /* Get the next character, testing for UTF-8 mode, and advancing the pointer.
510     This is called when we don't know if we are in UTF-8 mode. */
511 nigel 77
512     #define GETCHARINCTEST(c, eptr) \
513     c = *eptr++; \
514 ph10 573 if (utf8 && c >= 0xc0) GETUTF8INC(c, eptr);
515    
516     /* Base macro to pick up the remaining bytes of a UTF-8 character, not
517     advancing the pointer, incrementing the length. */
518    
519     #define GETUTF8LEN(c, eptr, len) \
520 nigel 77 { \
521 ph10 573 if ((c & 0x20) == 0) \
522 nigel 77 { \
523 ph10 573 c = ((c & 0x1f) << 6) | (eptr[1] & 0x3f); \
524     len++; \
525 nigel 77 } \
526 ph10 573 else if ((c & 0x10) == 0) \
527     { \
528     c = ((c & 0x0f) << 12) | ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
529     len += 2; \
530     } \
531     else if ((c & 0x08) == 0) \
532     {\
533     c = ((c & 0x07) << 18) | ((eptr[1] & 0x3f) << 12) | \
534     ((eptr[2] & 0x3f) << 6) | (eptr[3] & 0x3f); \
535     len += 3; \
536     } \
537     else if ((c & 0x04) == 0) \
538     { \
539     c = ((c & 0x03) << 24) | ((eptr[1] & 0x3f) << 18) | \
540     ((eptr[2] & 0x3f) << 12) | ((eptr[3] & 0x3f) << 6) | \
541     (eptr[4] & 0x3f); \
542     len += 4; \
543     } \
544     else \
545     {\
546     c = ((c & 0x01) << 30) | ((eptr[1] & 0x3f) << 24) | \
547     ((eptr[2] & 0x3f) << 18) | ((eptr[3] & 0x3f) << 12) | \
548     ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \
549     len += 5; \
550     } \
551 nigel 77 }
552    
553     /* Get the next UTF-8 character, not advancing the pointer, incrementing length
554     if there are extra bytes. This is called when we know we are in UTF-8 mode. */
555    
556     #define GETCHARLEN(c, eptr, len) \
557     c = *eptr; \
558 ph10 573 if (c >= 0xc0) GETUTF8LEN(c, eptr, len);
559 nigel 77
560 ph10 384 /* Get the next UTF-8 character, testing for UTF-8 mode, not advancing the
561     pointer, incrementing length if there are extra bytes. This is called when we
562 ph10 529 do not know if we are in UTF-8 mode. */
563 ph10 384
564     #define GETCHARLENTEST(c, eptr, len) \
565     c = *eptr; \
566 ph10 573 if (utf8 && c >= 0xc0) GETUTF8LEN(c, eptr, len);
567 ph10 384
568 nigel 77 /* If the pointer is not at the start of a character, move it back until
569 ph10 208 it is. This is called only in UTF-8 mode - we don't put a test within the macro
570 ph10 207 because almost all calls are already within a block of UTF-8 only code. */
571 nigel 77
572 ph10 207 #define BACKCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr--
573 nigel 77
574 ph10 573 #endif /* SUPPORT_UTF8 */
575 nigel 77
576    
577     /* In case there is no definition of offsetof() provided - though any proper
578     Standard C system should have one. */
579    
580     #ifndef offsetof
581     #define offsetof(p_type,field) ((size_t)&(((p_type *)0)->field))
582     #endif
583    
584    
585 ph10 231 /* Private flags containing information about the compiled regex. They used to
586     live at the top end of the options word, but that got almost full, so now they
587 ph10 426 are in a 16-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as
588 ph10 427 the restrictions on partial matching have been lifted. It remains for backwards
589 ph10 426 compatibility. */
590 nigel 77
591 ph10 230 #define PCRE_NOPARTIAL 0x0001 /* can't use partial with this regex */
592     #define PCRE_FIRSTSET 0x0002 /* first_byte is set */
593     #define PCRE_REQCHSET 0x0004 /* req_byte is set */
594     #define PCRE_STARTLINE 0x0008 /* start after \n for multiline */
595     #define PCRE_JCHANGED 0x0010 /* j option used in regex */
596     #define PCRE_HASCRORLF 0x0020 /* explicit \r or \n in pattern */
597 ph10 702 #define PCRE_HASTHEN 0x0040 /* pattern contains (*THEN) */
598 nigel 77
599 ph10 612 /* Flags for the "extra" block produced by pcre_study(). */
600 nigel 77
601 ph10 612 #define PCRE_STUDY_MAPPED 0x0001 /* a map of starting chars exists */
602     #define PCRE_STUDY_MINLEN 0x0002 /* a minimum length field exists */
603 nigel 77
604     /* Masks for identifying the public options that are permitted at compile
605     time, run time, or study time, respectively. */
606    
607 ph10 149 #define PCRE_NEWLINE_BITS (PCRE_NEWLINE_CR|PCRE_NEWLINE_LF|PCRE_NEWLINE_ANY| \
608     PCRE_NEWLINE_ANYCRLF)
609 nigel 93
610 ph10 389 #define PUBLIC_COMPILE_OPTIONS \
611 nigel 77 (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \
612     PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \
613 nigel 91 PCRE_NO_AUTO_CAPTURE|PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \
614 ph10 336 PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
615 ph10 576 PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE)
616 nigel 77
617     #define PUBLIC_EXEC_OPTIONS \
618 ph10 442 (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
619     PCRE_NO_UTF8_CHECK|PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT|PCRE_NEWLINE_BITS| \
620     PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE|PCRE_NO_START_OPTIMIZE)
621 nigel 77
622     #define PUBLIC_DFA_EXEC_OPTIONS \
623 ph10 442 (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
624     PCRE_NO_UTF8_CHECK|PCRE_PARTIAL_HARD|PCRE_PARTIAL_SOFT|PCRE_DFA_SHORTEST| \
625     PCRE_DFA_RESTART|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
626     PCRE_NO_START_OPTIMIZE)
627 nigel 77
628 ph10 667 #define PUBLIC_STUDY_OPTIONS \
629     PCRE_STUDY_JIT_COMPILE
630 nigel 77
631     /* Magic number to provide a small check against being handed junk. Also used
632     to detect whether a pattern was compiled on a host of different endianness. */
633    
634     #define MAGIC_NUMBER 0x50435245UL /* 'PCRE' */
635    
636     /* Negative values for the firstchar and reqchar variables */
637    
638     #define REQ_UNSET (-2)
639     #define REQ_NONE (-1)
640    
641     /* The maximum remaining length of subject we are prepared to search for a
642     req_byte match. */
643    
644     #define REQ_BYTE_MAX 1000
645    
646     /* Flags added to firstbyte or reqbyte; a "non-literal" item is either a
647     variable-length repeat, or a anything other than literal characters. */
648    
649     #define REQ_CASELESS 0x0100 /* indicates caselessness */
650     #define REQ_VARY 0x0200 /* reqbyte followed non-literal item */
651    
652 ph10 369 /* Miscellaneous definitions. The #ifndef is to pacify compiler warnings in
653 ph10 376 environments where these macros are defined elsewhere. Unfortunately, there
654     is no way to do the same for the typedef. */
655 nigel 77
656     typedef int BOOL;
657    
658 ph10 376 #ifndef FALSE
659 nigel 77 #define FALSE 0
660     #define TRUE 1
661 ph10 369 #endif
662 nigel 77
663 ph10 391 /* If PCRE is to support UTF-8 on EBCDIC platforms, we cannot use normal
664     character constants like '*' because the compiler would emit their EBCDIC code,
665 ph10 392 which is different from their ASCII/UTF-8 code. Instead we define macros for
666     the characters so that they always use the ASCII/UTF-8 code when UTF-8 support
667     is enabled. When UTF-8 support is not enabled, the definitions use character
668     literals. Both character and string versions of each character are needed, and
669 ph10 391 there are some longer strings as well.
670    
671 ph10 392 This means that, on EBCDIC platforms, the PCRE library can handle either
672 ph10 391 EBCDIC, or UTF-8, but not both. To support both in the same compiled library
673     would need different lookups depending on whether PCRE_UTF8 was set or not.
674     This would make it impossible to use characters in switch/case statements,
675 ph10 392 which would reduce performance. For a theoretical use (which nobody has asked
676     for) in a minority area (EBCDIC platforms), this is not sensible. Any
677     application that did need both could compile two versions of the library, using
678 ph10 391 macros to give the functions distinct names. */
679    
680     #ifndef SUPPORT_UTF8
681    
682     /* UTF-8 support is not enabled; use the platform-dependent character literals
683     so that PCRE works on both ASCII and EBCDIC platforms, in non-UTF-mode only. */
684    
685     #define CHAR_HT '\t'
686     #define CHAR_VT '\v'
687     #define CHAR_FF '\f'
688     #define CHAR_CR '\r'
689     #define CHAR_NL '\n'
690     #define CHAR_BS '\b'
691     #define CHAR_BEL '\a'
692     #ifdef EBCDIC
693     #define CHAR_ESC '\047'
694     #define CHAR_DEL '\007'
695     #else
696     #define CHAR_ESC '\033'
697     #define CHAR_DEL '\177'
698     #endif
699    
700     #define CHAR_SPACE ' '
701     #define CHAR_EXCLAMATION_MARK '!'
702     #define CHAR_QUOTATION_MARK '"'
703     #define CHAR_NUMBER_SIGN '#'
704     #define CHAR_DOLLAR_SIGN '$'
705     #define CHAR_PERCENT_SIGN '%'
706     #define CHAR_AMPERSAND '&'
707     #define CHAR_APOSTROPHE '\''
708     #define CHAR_LEFT_PARENTHESIS '('
709     #define CHAR_RIGHT_PARENTHESIS ')'
710     #define CHAR_ASTERISK '*'
711     #define CHAR_PLUS '+'
712     #define CHAR_COMMA ','
713     #define CHAR_MINUS '-'
714     #define CHAR_DOT '.'
715     #define CHAR_SLASH '/'
716     #define CHAR_0 '0'
717     #define CHAR_1 '1'
718     #define CHAR_2 '2'
719     #define CHAR_3 '3'
720     #define CHAR_4 '4'
721     #define CHAR_5 '5'
722     #define CHAR_6 '6'
723     #define CHAR_7 '7'
724     #define CHAR_8 '8'
725     #define CHAR_9 '9'
726     #define CHAR_COLON ':'
727     #define CHAR_SEMICOLON ';'
728     #define CHAR_LESS_THAN_SIGN '<'
729     #define CHAR_EQUALS_SIGN '='
730     #define CHAR_GREATER_THAN_SIGN '>'
731     #define CHAR_QUESTION_MARK '?'
732     #define CHAR_COMMERCIAL_AT '@'
733     #define CHAR_A 'A'
734     #define CHAR_B 'B'
735     #define CHAR_C 'C'
736     #define CHAR_D 'D'
737     #define CHAR_E 'E'
738     #define CHAR_F 'F'
739     #define CHAR_G 'G'
740     #define CHAR_H 'H'
741     #define CHAR_I 'I'
742     #define CHAR_J 'J'
743     #define CHAR_K 'K'
744     #define CHAR_L 'L'
745     #define CHAR_M 'M'
746     #define CHAR_N 'N'
747     #define CHAR_O 'O'
748     #define CHAR_P 'P'
749     #define CHAR_Q 'Q'
750     #define CHAR_R 'R'
751     #define CHAR_S 'S'
752     #define CHAR_T 'T'
753     #define CHAR_U 'U'
754     #define CHAR_V 'V'
755     #define CHAR_W 'W'
756     #define CHAR_X 'X'
757     #define CHAR_Y 'Y'
758     #define CHAR_Z 'Z'
759     #define CHAR_LEFT_SQUARE_BRACKET '['
760     #define CHAR_BACKSLASH '\\'
761     #define CHAR_RIGHT_SQUARE_BRACKET ']'
762     #define CHAR_CIRCUMFLEX_ACCENT '^'
763     #define CHAR_UNDERSCORE '_'
764     #define CHAR_GRAVE_ACCENT '`'
765     #define CHAR_a 'a'
766     #define CHAR_b 'b'
767     #define CHAR_c 'c'
768     #define CHAR_d 'd'
769     #define CHAR_e 'e'
770     #define CHAR_f 'f'
771     #define CHAR_g 'g'
772     #define CHAR_h 'h'
773     #define CHAR_i 'i'
774     #define CHAR_j 'j'
775     #define CHAR_k 'k'
776     #define CHAR_l 'l'
777     #define CHAR_m 'm'
778     #define CHAR_n 'n'
779     #define CHAR_o 'o'
780     #define CHAR_p 'p'
781     #define CHAR_q 'q'
782     #define CHAR_r 'r'
783     #define CHAR_s 's'
784     #define CHAR_t 't'
785     #define CHAR_u 'u'
786     #define CHAR_v 'v'
787     #define CHAR_w 'w'
788     #define CHAR_x 'x'
789     #define CHAR_y 'y'
790     #define CHAR_z 'z'
791     #define CHAR_LEFT_CURLY_BRACKET '{'
792     #define CHAR_VERTICAL_LINE '|'
793     #define CHAR_RIGHT_CURLY_BRACKET '}'
794     #define CHAR_TILDE '~'
795    
796     #define STR_HT "\t"
797     #define STR_VT "\v"
798     #define STR_FF "\f"
799     #define STR_CR "\r"
800     #define STR_NL "\n"
801     #define STR_BS "\b"
802     #define STR_BEL "\a"
803     #ifdef EBCDIC
804     #define STR_ESC "\047"
805     #define STR_DEL "\007"
806     #else
807     #define STR_ESC "\033"
808     #define STR_DEL "\177"
809     #endif
810    
811     #define STR_SPACE " "
812     #define STR_EXCLAMATION_MARK "!"
813     #define STR_QUOTATION_MARK "\""
814     #define STR_NUMBER_SIGN "#"
815     #define STR_DOLLAR_SIGN "$"
816     #define STR_PERCENT_SIGN "%"
817     #define STR_AMPERSAND "&"
818     #define STR_APOSTROPHE "'"
819     #define STR_LEFT_PARENTHESIS "("
820     #define STR_RIGHT_PARENTHESIS ")"
821     #define STR_ASTERISK "*"
822     #define STR_PLUS "+"
823     #define STR_COMMA ","
824     #define STR_MINUS "-"
825     #define STR_DOT "."
826     #define STR_SLASH "/"
827     #define STR_0 "0"
828     #define STR_1 "1"
829     #define STR_2 "2"
830     #define STR_3 "3"
831     #define STR_4 "4"
832     #define STR_5 "5"
833     #define STR_6 "6"
834     #define STR_7 "7"
835     #define STR_8 "8"
836     #define STR_9 "9"
837     #define STR_COLON ":"
838     #define STR_SEMICOLON ";"
839     #define STR_LESS_THAN_SIGN "<"
840     #define STR_EQUALS_SIGN "="
841     #define STR_GREATER_THAN_SIGN ">"
842     #define STR_QUESTION_MARK "?"
843     #define STR_COMMERCIAL_AT "@"
844     #define STR_A "A"
845     #define STR_B "B"
846     #define STR_C "C"
847     #define STR_D "D"
848     #define STR_E "E"
849     #define STR_F "F"
850     #define STR_G "G"
851     #define STR_H "H"
852     #define STR_I "I"
853     #define STR_J "J"
854     #define STR_K "K"
855     #define STR_L "L"
856     #define STR_M "M"
857     #define STR_N "N"
858     #define STR_O "O"
859     #define STR_P "P"
860     #define STR_Q "Q"
861     #define STR_R "R"
862     #define STR_S "S"
863     #define STR_T "T"
864     #define STR_U "U"
865     #define STR_V "V"
866     #define STR_W "W"
867     #define STR_X "X"
868     #define STR_Y "Y"
869     #define STR_Z "Z"
870     #define STR_LEFT_SQUARE_BRACKET "["
871     #define STR_BACKSLASH "\\"
872     #define STR_RIGHT_SQUARE_BRACKET "]"
873     #define STR_CIRCUMFLEX_ACCENT "^"
874     #define STR_UNDERSCORE "_"
875     #define STR_GRAVE_ACCENT "`"
876     #define STR_a "a"
877     #define STR_b "b"
878     #define STR_c "c"
879     #define STR_d "d"
880     #define STR_e "e"
881     #define STR_f "f"
882     #define STR_g "g"
883     #define STR_h "h"
884     #define STR_i "i"
885     #define STR_j "j"
886     #define STR_k "k"
887     #define STR_l "l"
888     #define STR_m "m"
889     #define STR_n "n"
890     #define STR_o "o"
891     #define STR_p "p"
892     #define STR_q "q"
893     #define STR_r "r"
894     #define STR_s "s"
895     #define STR_t "t"
896     #define STR_u "u"
897     #define STR_v "v"
898     #define STR_w "w"
899     #define STR_x "x"
900     #define STR_y "y"
901     #define STR_z "z"
902     #define STR_LEFT_CURLY_BRACKET "{"
903     #define STR_VERTICAL_LINE "|"
904     #define STR_RIGHT_CURLY_BRACKET "}"
905     #define STR_TILDE "~"
906    
907     #define STRING_ACCEPT0 "ACCEPT\0"
908     #define STRING_COMMIT0 "COMMIT\0"
909     #define STRING_F0 "F\0"
910     #define STRING_FAIL0 "FAIL\0"
911 ph10 510 #define STRING_MARK0 "MARK\0"
912 ph10 391 #define STRING_PRUNE0 "PRUNE\0"
913     #define STRING_SKIP0 "SKIP\0"
914     #define STRING_THEN "THEN"
915    
916     #define STRING_alpha0 "alpha\0"
917     #define STRING_lower0 "lower\0"
918     #define STRING_upper0 "upper\0"
919     #define STRING_alnum0 "alnum\0"
920     #define STRING_ascii0 "ascii\0"
921     #define STRING_blank0 "blank\0"
922     #define STRING_cntrl0 "cntrl\0"
923     #define STRING_digit0 "digit\0"
924     #define STRING_graph0 "graph\0"
925     #define STRING_print0 "print\0"
926     #define STRING_punct0 "punct\0"
927     #define STRING_space0 "space\0"
928     #define STRING_word0 "word\0"
929     #define STRING_xdigit "xdigit"
930    
931     #define STRING_DEFINE "DEFINE"
932    
933 ph10 576 #define STRING_CR_RIGHTPAR "CR)"
934     #define STRING_LF_RIGHTPAR "LF)"
935     #define STRING_CRLF_RIGHTPAR "CRLF)"
936     #define STRING_ANY_RIGHTPAR "ANY)"
937     #define STRING_ANYCRLF_RIGHTPAR "ANYCRLF)"
938     #define STRING_BSR_ANYCRLF_RIGHTPAR "BSR_ANYCRLF)"
939     #define STRING_BSR_UNICODE_RIGHTPAR "BSR_UNICODE)"
940     #define STRING_UTF8_RIGHTPAR "UTF8)"
941     #define STRING_UCP_RIGHTPAR "UCP)"
942     #define STRING_NO_START_OPT_RIGHTPAR "NO_START_OPT)"
943 ph10 391
944     #else /* SUPPORT_UTF8 */
945    
946     /* UTF-8 support is enabled; always use UTF-8 (=ASCII) character codes. This
947     works in both modes non-EBCDIC platforms, and on EBCDIC platforms in UTF-8 mode
948     only. */
949    
950     #define CHAR_HT '\011'
951     #define CHAR_VT '\013'
952     #define CHAR_FF '\014'
953     #define CHAR_CR '\015'
954     #define CHAR_NL '\012'
955     #define CHAR_BS '\010'
956     #define CHAR_BEL '\007'
957     #define CHAR_ESC '\033'
958     #define CHAR_DEL '\177'
959    
960     #define CHAR_SPACE '\040'
961     #define CHAR_EXCLAMATION_MARK '\041'
962     #define CHAR_QUOTATION_MARK '\042'
963     #define CHAR_NUMBER_SIGN '\043'
964     #define CHAR_DOLLAR_SIGN '\044'
965     #define CHAR_PERCENT_SIGN '\045'
966     #define CHAR_AMPERSAND '\046'
967     #define CHAR_APOSTROPHE '\047'
968     #define CHAR_LEFT_PARENTHESIS '\050'
969     #define CHAR_RIGHT_PARENTHESIS '\051'
970     #define CHAR_ASTERISK '\052'
971     #define CHAR_PLUS '\053'
972     #define CHAR_COMMA '\054'
973     #define CHAR_MINUS '\055'
974     #define CHAR_DOT '\056'
975     #define CHAR_SLASH '\057'
976     #define CHAR_0 '\060'
977     #define CHAR_1 '\061'
978     #define CHAR_2 '\062'
979     #define CHAR_3 '\063'
980     #define CHAR_4 '\064'
981     #define CHAR_5 '\065'
982     #define CHAR_6 '\066'
983     #define CHAR_7 '\067'
984     #define CHAR_8 '\070'
985     #define CHAR_9 '\071'
986     #define CHAR_COLON '\072'
987     #define CHAR_SEMICOLON '\073'
988     #define CHAR_LESS_THAN_SIGN '\074'
989     #define CHAR_EQUALS_SIGN '\075'
990     #define CHAR_GREATER_THAN_SIGN '\076'
991     #define CHAR_QUESTION_MARK '\077'
992     #define CHAR_COMMERCIAL_AT '\100'
993     #define CHAR_A '\101'
994     #define CHAR_B '\102'
995     #define CHAR_C '\103'
996     #define CHAR_D '\104'
997     #define CHAR_E '\105'
998     #define CHAR_F '\106'
999     #define CHAR_G '\107'
1000     #define CHAR_H '\110'
1001     #define CHAR_I '\111'
1002     #define CHAR_J '\112'
1003     #define CHAR_K '\113'
1004     #define CHAR_L '\114'
1005     #define CHAR_M '\115'
1006     #define CHAR_N '\116'
1007     #define CHAR_O '\117'
1008     #define CHAR_P '\120'
1009     #define CHAR_Q '\121'
1010     #define CHAR_R '\122'
1011     #define CHAR_S '\123'
1012     #define CHAR_T '\124'
1013     #define CHAR_U '\125'
1014     #define CHAR_V '\126'
1015     #define CHAR_W '\127'
1016     #define CHAR_X '\130'
1017     #define CHAR_Y '\131'
1018     #define CHAR_Z '\132'
1019     #define CHAR_LEFT_SQUARE_BRACKET '\133'
1020     #define CHAR_BACKSLASH '\134'
1021     #define CHAR_RIGHT_SQUARE_BRACKET '\135'
1022     #define CHAR_CIRCUMFLEX_ACCENT '\136'
1023     #define CHAR_UNDERSCORE '\137'
1024     #define CHAR_GRAVE_ACCENT '\140'
1025     #define CHAR_a '\141'
1026     #define CHAR_b '\142'
1027     #define CHAR_c '\143'
1028     #define CHAR_d '\144'
1029     #define CHAR_e '\145'
1030     #define CHAR_f '\146'
1031     #define CHAR_g '\147'
1032     #define CHAR_h '\150'
1033     #define CHAR_i '\151'
1034     #define CHAR_j '\152'
1035     #define CHAR_k '\153'
1036     #define CHAR_l '\154'
1037     #define CHAR_m '\155'
1038     #define CHAR_n '\156'
1039     #define CHAR_o '\157'
1040     #define CHAR_p '\160'
1041     #define CHAR_q '\161'
1042     #define CHAR_r '\162'
1043     #define CHAR_s '\163'
1044     #define CHAR_t '\164'
1045     #define CHAR_u '\165'
1046     #define CHAR_v '\166'
1047     #define CHAR_w '\167'
1048     #define CHAR_x '\170'
1049     #define CHAR_y '\171'
1050     #define CHAR_z '\172'
1051     #define CHAR_LEFT_CURLY_BRACKET '\173'
1052     #define CHAR_VERTICAL_LINE '\174'
1053     #define CHAR_RIGHT_CURLY_BRACKET '\175'
1054     #define CHAR_TILDE '\176'
1055    
1056     #define STR_HT "\011"
1057     #define STR_VT "\013"
1058     #define STR_FF "\014"
1059     #define STR_CR "\015"
1060     #define STR_NL "\012"
1061     #define STR_BS "\010"
1062     #define STR_BEL "\007"
1063     #define STR_ESC "\033"
1064     #define STR_DEL "\177"
1065    
1066     #define STR_SPACE "\040"
1067     #define STR_EXCLAMATION_MARK "\041"
1068     #define STR_QUOTATION_MARK "\042"
1069     #define STR_NUMBER_SIGN "\043"
1070     #define STR_DOLLAR_SIGN "\044"
1071     #define STR_PERCENT_SIGN "\045"
1072     #define STR_AMPERSAND "\046"
1073     #define STR_APOSTROPHE "\047"
1074     #define STR_LEFT_PARENTHESIS "\050"
1075     #define STR_RIGHT_PARENTHESIS "\051"
1076     #define STR_ASTERISK "\052"
1077     #define STR_PLUS "\053"
1078     #define STR_COMMA "\054"
1079     #define STR_MINUS "\055"
1080     #define STR_DOT "\056"
1081     #define STR_SLASH "\057"
1082     #define STR_0 "\060"
1083     #define STR_1 "\061"
1084     #define STR_2 "\062"
1085     #define STR_3 "\063"
1086     #define STR_4 "\064"
1087     #define STR_5 "\065"
1088     #define STR_6 "\066"
1089     #define STR_7 "\067"
1090     #define STR_8 "\070"
1091     #define STR_9 "\071"
1092     #define STR_COLON "\072"
1093     #define STR_SEMICOLON "\073"
1094     #define STR_LESS_THAN_SIGN "\074"
1095     #define STR_EQUALS_SIGN "\075"
1096     #define STR_GREATER_THAN_SIGN "\076"
1097     #define STR_QUESTION_MARK "\077"
1098     #define STR_COMMERCIAL_AT "\100"
1099     #define STR_A "\101"
1100     #define STR_B "\102"
1101     #define STR_C "\103"
1102     #define STR_D "\104"
1103     #define STR_E "\105"
1104     #define STR_F "\106"
1105     #define STR_G "\107"
1106     #define STR_H "\110"
1107     #define STR_I "\111"
1108     #define STR_J "\112"
1109     #define STR_K "\113"
1110     #define STR_L "\114"
1111     #define STR_M "\115"
1112     #define STR_N "\116"
1113     #define STR_O "\117"
1114     #define STR_P "\120"
1115     #define STR_Q "\121"
1116     #define STR_R "\122"
1117     #define STR_S "\123"
1118     #define STR_T "\124"
1119     #define STR_U "\125"
1120     #define STR_V "\126"
1121     #define STR_W "\127"
1122     #define STR_X "\130"
1123     #define STR_Y "\131"
1124     #define STR_Z "\132"
1125     #define STR_LEFT_SQUARE_BRACKET "\133"
1126     #define STR_BACKSLASH "\134"
1127     #define STR_RIGHT_SQUARE_BRACKET "\135"
1128     #define STR_CIRCUMFLEX_ACCENT "\136"
1129     #define STR_UNDERSCORE "\137"
1130     #define STR_GRAVE_ACCENT "\140"
1131     #define STR_a "\141"
1132     #define STR_b "\142"
1133     #define STR_c "\143"
1134     #define STR_d "\144"
1135     #define STR_e "\145"
1136     #define STR_f "\146"
1137     #define STR_g "\147"
1138     #define STR_h "\150"
1139     #define STR_i "\151"
1140     #define STR_j "\152"
1141     #define STR_k "\153"
1142     #define STR_l "\154"
1143     #define STR_m "\155"
1144     #define STR_n "\156"
1145     #define STR_o "\157"
1146     #define STR_p "\160"
1147     #define STR_q "\161"
1148     #define STR_r "\162"
1149     #define STR_s "\163"
1150     #define STR_t "\164"
1151     #define STR_u "\165"
1152     #define STR_v "\166"
1153     #define STR_w "\167"
1154     #define STR_x "\170"
1155     #define STR_y "\171"
1156     #define STR_z "\172"
1157     #define STR_LEFT_CURLY_BRACKET "\173"
1158     #define STR_VERTICAL_LINE "\174"
1159     #define STR_RIGHT_CURLY_BRACKET "\175"
1160     #define STR_TILDE "\176"
1161    
1162     #define STRING_ACCEPT0 STR_A STR_C STR_C STR_E STR_P STR_T "\0"
1163     #define STRING_COMMIT0 STR_C STR_O STR_M STR_M STR_I STR_T "\0"
1164     #define STRING_F0 STR_F "\0"
1165     #define STRING_FAIL0 STR_F STR_A STR_I STR_L "\0"
1166 ph10 510 #define STRING_MARK0 STR_M STR_A STR_R STR_K "\0"
1167 ph10 391 #define STRING_PRUNE0 STR_P STR_R STR_U STR_N STR_E "\0"
1168     #define STRING_SKIP0 STR_S STR_K STR_I STR_P "\0"
1169     #define STRING_THEN STR_T STR_H STR_E STR_N
1170    
1171     #define STRING_alpha0 STR_a STR_l STR_p STR_h STR_a "\0"
1172     #define STRING_lower0 STR_l STR_o STR_w STR_e STR_r "\0"
1173     #define STRING_upper0 STR_u STR_p STR_p STR_e STR_r "\0"
1174     #define STRING_alnum0 STR_a STR_l STR_n STR_u STR_m "\0"
1175     #define STRING_ascii0 STR_a STR_s STR_c STR_i STR_i "\0"
1176     #define STRING_blank0 STR_b STR_l STR_a STR_n STR_k "\0"
1177     #define STRING_cntrl0 STR_c STR_n STR_t STR_r STR_l "\0"
1178     #define STRING_digit0 STR_d STR_i STR_g STR_i STR_t "\0"
1179     #define STRING_graph0 STR_g STR_r STR_a STR_p STR_h "\0"
1180     #define STRING_print0 STR_p STR_r STR_i STR_n STR_t "\0"
1181     #define STRING_punct0 STR_p STR_u STR_n STR_c STR_t "\0"
1182     #define STRING_space0 STR_s STR_p STR_a STR_c STR_e "\0"
1183     #define STRING_word0 STR_w STR_o STR_r STR_d "\0"
1184     #define STRING_xdigit STR_x STR_d STR_i STR_g STR_i STR_t
1185    
1186     #define STRING_DEFINE STR_D STR_E STR_F STR_I STR_N STR_E
1187    
1188 ph10 576 #define STRING_CR_RIGHTPAR STR_C STR_R STR_RIGHT_PARENTHESIS
1189     #define STRING_LF_RIGHTPAR STR_L STR_F STR_RIGHT_PARENTHESIS
1190     #define STRING_CRLF_RIGHTPAR STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1191     #define STRING_ANY_RIGHTPAR STR_A STR_N STR_Y STR_RIGHT_PARENTHESIS
1192     #define STRING_ANYCRLF_RIGHTPAR STR_A STR_N STR_Y STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1193     #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
1194     #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
1195     #define STRING_UTF8_RIGHTPAR STR_U STR_T STR_F STR_8 STR_RIGHT_PARENTHESIS
1196     #define STRING_UCP_RIGHTPAR STR_U STR_C STR_P STR_RIGHT_PARENTHESIS
1197     #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
1198 ph10 391
1199     #endif /* SUPPORT_UTF8 */
1200    
1201 nigel 93 /* Escape items that are just an encoding of a particular data value. */
1202 nigel 77
1203     #ifndef ESC_e
1204 ph10 391 #define ESC_e CHAR_ESC
1205 nigel 77 #endif
1206    
1207     #ifndef ESC_f
1208 ph10 391 #define ESC_f CHAR_FF
1209 nigel 77 #endif
1210    
1211     #ifndef ESC_n
1212 ph10 391 #define ESC_n CHAR_NL
1213 nigel 77 #endif
1214    
1215     #ifndef ESC_r
1216 ph10 391 #define ESC_r CHAR_CR
1217 nigel 77 #endif
1218    
1219     /* We can't officially use ESC_t because it is a POSIX reserved identifier
1220     (presumably because of all the others like size_t). */
1221    
1222     #ifndef ESC_tee
1223 ph10 391 #define ESC_tee CHAR_HT
1224 nigel 77 #endif
1225    
1226 nigel 87 /* Codes for different types of Unicode property */
1227    
1228     #define PT_ANY 0 /* Any property - matches all chars */
1229     #define PT_LAMP 1 /* L& - the union of Lu, Ll, Lt */
1230 ph10 517 #define PT_GC 2 /* Specified general characteristic (e.g. L) */
1231     #define PT_PC 3 /* Specified particular characteristic (e.g. Lu) */
1232 nigel 87 #define PT_SC 4 /* Script (e.g. Han) */
1233 ph10 517 #define PT_ALNUM 5 /* Alphanumeric - the union of L and N */
1234     #define PT_SPACE 6 /* Perl space - Z plus 9,10,12,13 */
1235     #define PT_PXSPACE 7 /* POSIX space - Z plus 9,10,11,12,13 */
1236     #define PT_WORD 8 /* Word - L plus N plus underscore */
1237 nigel 87
1238     /* Flag bits and data types for the extended class (OP_XCLASS) for classes that
1239     contain UTF-8 characters with values greater than 255. */
1240    
1241     #define XCL_NOT 0x01 /* Flag: this is a negative class */
1242     #define XCL_MAP 0x02 /* Flag: a 32-byte map is present */
1243    
1244     #define XCL_END 0 /* Marks end of individual items */
1245     #define XCL_SINGLE 1 /* Single item (one multibyte char) follows */
1246     #define XCL_RANGE 2 /* A range (two multibyte chars) follows */
1247     #define XCL_PROP 3 /* Unicode property (2-byte property code follows) */
1248     #define XCL_NOTPROP 4 /* Unicode inverted property (ditto) */
1249    
1250 nigel 77 /* These are escaped items that aren't just an encoding of a particular data
1251     value such as \n. They must have non-zero values, as check_escape() returns
1252     their negation. Also, they must appear in the same order as in the opcode
1253 ph10 514 definitions below, up to ESC_z. There's a dummy for OP_ALLANY because it
1254     corresponds to "." in DOTALL mode rather than an escape sequence. It is also
1255 ph10 754 used for [^] in JavaScript compatibility mode, and for \C in non-utf8 mode. In
1256     non-DOTALL mode, "." behaves like \N.
1257 nigel 77
1258 ph10 518 The special values ESC_DU, ESC_du, etc. are used instead of ESC_D, ESC_d, etc.
1259     when PCRE_UCP is set, when replacement of \d etc by \p sequences is required.
1260     They must be contiguous, and remain in order so that the replacements can be
1261     looked up from a table.
1262    
1263 ph10 341 The final escape must be ESC_REF as subsequent values are used for
1264     backreferences (\1, \2, \3, etc). There are two tests in the code for an escape
1265     greater than ESC_b and less than ESC_Z to detect the types that may be
1266     repeated. These are the types that consume characters. If any new escapes are
1267     put in between that don't consume a character, that code will have to change.
1268     */
1269    
1270 ph10 172 enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, ESC_b, ESC_D, ESC_d, ESC_S, ESC_s,
1271 ph10 514 ESC_W, ESC_w, ESC_N, ESC_dum, ESC_C, ESC_P, ESC_p, ESC_R, ESC_H,
1272 ph10 535 ESC_h, ESC_V, ESC_v, ESC_X, ESC_Z, ESC_z,
1273 ph10 518 ESC_E, ESC_Q, ESC_g, ESC_k,
1274 ph10 535 ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu,
1275 ph10 341 ESC_REF };
1276 nigel 77
1277 ph10 210 /* Opcode table: Starting from 1 (i.e. after OP_END), the values up to
1278 nigel 77 OP_EOD must correspond in order to the list of escapes immediately above.
1279    
1280 nigel 93 *** NOTE NOTE NOTE *** Whenever this list is updated, the two macro definitions
1281 ph10 462 that follow must also be updated to match. There are also tables called
1282     "coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */
1283 nigel 93
1284 nigel 77 enum {
1285     OP_END, /* 0 End of pattern */
1286    
1287     /* Values corresponding to backslashed metacharacters */
1288    
1289     OP_SOD, /* 1 Start of data: \A */
1290     OP_SOM, /* 2 Start of match (subject + offset): \G */
1291 ph10 172 OP_SET_SOM, /* 3 Set start of match (\K) */
1292 ph10 168 OP_NOT_WORD_BOUNDARY, /* 4 \B */
1293     OP_WORD_BOUNDARY, /* 5 \b */
1294     OP_NOT_DIGIT, /* 6 \D */
1295     OP_DIGIT, /* 7 \d */
1296     OP_NOT_WHITESPACE, /* 8 \S */
1297     OP_WHITESPACE, /* 9 \s */
1298     OP_NOT_WORDCHAR, /* 10 \W */
1299     OP_WORDCHAR, /* 11 \w */
1300 ph10 602
1301 ph10 514 OP_ANY, /* 12 Match any character except newline */
1302     OP_ALLANY, /* 13 Match any character */
1303 ph10 341 OP_ANYBYTE, /* 14 Match any byte (\C); different to OP_ANY for UTF-8 */
1304     OP_NOTPROP, /* 15 \P (not Unicode property) */
1305     OP_PROP, /* 16 \p (Unicode property) */
1306     OP_ANYNL, /* 17 \R (any newline sequence) */
1307     OP_NOT_HSPACE, /* 18 \H (not horizontal whitespace) */
1308     OP_HSPACE, /* 19 \h (horizontal whitespace) */
1309     OP_NOT_VSPACE, /* 20 \V (not vertical whitespace) */
1310     OP_VSPACE, /* 21 \v (vertical whitespace) */
1311     OP_EXTUNI, /* 22 \X (extended Unicode sequence */
1312     OP_EODN, /* 23 End of data or \n at end of data: \Z. */
1313     OP_EOD, /* 24 End of data: \z */
1314 nigel 77
1315 ph10 602 OP_CIRC, /* 25 Start of line - not multiline */
1316     OP_CIRCM, /* 26 Start of line - multiline */
1317     OP_DOLL, /* 27 End of line - not multiline */
1318     OP_DOLLM, /* 28 End of line - multiline */
1319     OP_CHAR, /* 29 Match one character, casefully */
1320     OP_CHARI, /* 30 Match one character, caselessly */
1321     OP_NOT, /* 31 Match one character, not the given one, casefully */
1322     OP_NOTI, /* 32 Match one character, not the given one, caselessly */
1323 nigel 77
1324 ph10 602 /* The following sets of 13 opcodes must always be kept in step because
1325     the offset from the first one is used to generate the others. */
1326 ph10 604
1327 ph10 602 /**** Single characters, caseful, must precede the caseless ones ****/
1328 nigel 77
1329 ph10 602 OP_STAR, /* 33 The maximizing and minimizing versions of */
1330     OP_MINSTAR, /* 34 these six opcodes must come in pairs, with */
1331     OP_PLUS, /* 35 the minimizing one second. */
1332     OP_MINPLUS, /* 36 */
1333     OP_QUERY, /* 37 */
1334     OP_MINQUERY, /* 38 */
1335 nigel 77
1336 ph10 602 OP_UPTO, /* 39 From 0 to n matches of one character, caseful*/
1337     OP_MINUPTO, /* 40 */
1338     OP_EXACT, /* 41 Exactly n matches */
1339 nigel 77
1340 ph10 602 OP_POSSTAR, /* 42 Possessified star, caseful */
1341     OP_POSPLUS, /* 43 Possessified plus, caseful */
1342     OP_POSQUERY, /* 44 Posesssified query, caseful */
1343     OP_POSUPTO, /* 45 Possessified upto, caseful */
1344 nigel 77
1345 ph10 602 /**** Single characters, caseless, must follow the caseful ones */
1346 ph10 604
1347 ph10 602 OP_STARI, /* 46 */
1348     OP_MINSTARI, /* 47 */
1349     OP_PLUSI, /* 48 */
1350     OP_MINPLUSI, /* 49 */
1351     OP_QUERYI, /* 50 */
1352     OP_MINQUERYI, /* 51 */
1353 nigel 93
1354 ph10 602 OP_UPTOI, /* 52 From 0 to n matches of one character, caseless */
1355     OP_MINUPTOI, /* 53 */
1356     OP_EXACTI, /* 54 */
1357 nigel 93
1358 ph10 602 OP_POSSTARI, /* 55 Possessified star, caseless */
1359     OP_POSPLUSI, /* 56 Possessified plus, caseless */
1360     OP_POSQUERYI, /* 57 Posesssified query, caseless */
1361     OP_POSUPTOI, /* 58 Possessified upto, caseless */
1362 nigel 93
1363 ph10 602 /**** The negated ones must follow the non-negated ones, and match them ****/
1364     /**** Negated single character, caseful; must precede the caseless ones ****/
1365 nigel 93
1366 ph10 602 OP_NOTSTAR, /* 59 The maximizing and minimizing versions of */
1367     OP_NOTMINSTAR, /* 60 these six opcodes must come in pairs, with */
1368     OP_NOTPLUS, /* 61 the minimizing one second. They must be in */
1369     OP_NOTMINPLUS, /* 62 exactly the same order as those above. */
1370     OP_NOTQUERY, /* 63 */
1371     OP_NOTMINQUERY, /* 64 */
1372 nigel 93
1373 ph10 602 OP_NOTUPTO, /* 65 From 0 to n matches, caseful */
1374     OP_NOTMINUPTO, /* 66 */
1375     OP_NOTEXACT, /* 67 Exactly n matches */
1376 nigel 93
1377 ph10 602 OP_NOTPOSSTAR, /* 68 Possessified versions, caseful */
1378     OP_NOTPOSPLUS, /* 69 */
1379     OP_NOTPOSQUERY, /* 70 */
1380     OP_NOTPOSUPTO, /* 71 */
1381 nigel 77
1382 ph10 602 /**** Negated single character, caseless; must follow the caseful ones ****/
1383 ph10 604
1384 ph10 602 OP_NOTSTARI, /* 72 */
1385     OP_NOTMINSTARI, /* 73 */
1386     OP_NOTPLUSI, /* 74 */
1387     OP_NOTMINPLUSI, /* 75 */
1388     OP_NOTQUERYI, /* 76 */
1389     OP_NOTMINQUERYI, /* 77 */
1390 nigel 77
1391 ph10 602 OP_NOTUPTOI, /* 78 From 0 to n matches, caseless */
1392     OP_NOTMINUPTOI, /* 79 */
1393     OP_NOTEXACTI, /* 80 Exactly n matches */
1394 nigel 77
1395 ph10 602 OP_NOTPOSSTARI, /* 81 Possessified versions, caseless */
1396     OP_NOTPOSPLUSI, /* 82 */
1397     OP_NOTPOSQUERYI, /* 83 */
1398     OP_NOTPOSUPTOI, /* 84 */
1399 nigel 77
1400 ph10 602 /**** Character types ****/
1401 ph10 604
1402 ph10 602 OP_TYPESTAR, /* 85 The maximizing and minimizing versions of */
1403     OP_TYPEMINSTAR, /* 86 these six opcodes must come in pairs, with */
1404     OP_TYPEPLUS, /* 87 the minimizing one second. These codes must */
1405     OP_TYPEMINPLUS, /* 88 be in exactly the same order as those above. */
1406     OP_TYPEQUERY, /* 89 */
1407     OP_TYPEMINQUERY, /* 90 */
1408    
1409     OP_TYPEUPTO, /* 91 From 0 to n matches */
1410     OP_TYPEMINUPTO, /* 92 */
1411     OP_TYPEEXACT, /* 93 Exactly n matches */
1412    
1413     OP_TYPEPOSSTAR, /* 94 Possessified versions */
1414     OP_TYPEPOSPLUS, /* 95 */
1415     OP_TYPEPOSQUERY, /* 96 */
1416     OP_TYPEPOSUPTO, /* 97 */
1417    
1418     /* These are used for character classes and back references; only the
1419 ph10 604 first six are the same as the sets above. */
1420 ph10 602
1421     OP_CRSTAR, /* 98 The maximizing and minimizing versions of */
1422     OP_CRMINSTAR, /* 99 all these opcodes must come in pairs, with */
1423     OP_CRPLUS, /* 100 the minimizing one second. These codes must */
1424     OP_CRMINPLUS, /* 101 be in exactly the same order as those above. */
1425     OP_CRQUERY, /* 102 */
1426     OP_CRMINQUERY, /* 103 */
1427    
1428     OP_CRRANGE, /* 104 These are different to the three sets above. */
1429     OP_CRMINRANGE, /* 105 */
1430    
1431     /* End of quantifier opcodes */
1432    
1433     OP_CLASS, /* 106 Match a character class, chars < 256 only */
1434     OP_NCLASS, /* 107 Same, but the bitmap was created from a negative
1435     class - the difference is relevant only when a
1436     UTF-8 character > 255 is encountered. */
1437     OP_XCLASS, /* 108 Extended class for handling UTF-8 chars within the
1438     class. This does both positive and negative. */
1439     OP_REF, /* 109 Match a back reference, casefully */
1440     OP_REFI, /* 110 Match a back reference, caselessly */
1441     OP_RECURSE, /* 111 Match a numbered subpattern (possibly recursive) */
1442     OP_CALLOUT, /* 112 Call out to external function if provided */
1443    
1444     OP_ALT, /* 113 Start of alternation */
1445     OP_KET, /* 114 End of group that doesn't have an unbounded repeat */
1446     OP_KETRMAX, /* 115 These two must remain together and in this */
1447     OP_KETRMIN, /* 116 order. They are for groups the repeat for ever. */
1448 ph10 604 OP_KETRPOS, /* 117 Possessive unlimited repeat. */
1449 ph10 602
1450 ph10 613 /* The assertions must come before BRA, CBRA, ONCE, and COND, and the four
1451     asserts must remain in order. */
1452 nigel 77
1453 ph10 637 OP_REVERSE, /* 118 Move pointer back - used in lookbehind assertions */
1454     OP_ASSERT, /* 119 Positive lookahead */
1455     OP_ASSERT_NOT, /* 120 Negative lookahead */
1456     OP_ASSERTBACK, /* 121 Positive lookbehind */
1457     OP_ASSERTBACK_NOT, /* 122 Negative lookbehind */
1458 nigel 77
1459 ph10 723 /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately
1460     after the assertions, with ONCE first, as there's a test for >= ONCE for a
1461     subpattern that isn't an assertion. The POS versions must immediately follow
1462     the non-POS versions in each case. */
1463 nigel 77
1464 ph10 723 OP_ONCE, /* 123 Atomic group, contains captures */
1465 ph10 733 OP_ONCE_NC, /* 124 Atomic group containing no captures */
1466 ph10 723 OP_BRA, /* 125 Start of non-capturing bracket */
1467     OP_BRAPOS, /* 126 Ditto, with unlimited, possessive repeat */
1468     OP_CBRA, /* 127 Start of capturing bracket */
1469     OP_CBRAPOS, /* 128 Ditto, with unlimited, possessive repeat */
1470     OP_COND, /* 129 Conditional group */
1471 nigel 77
1472 ph10 604 /* These five must follow the previous five, in the same order. There's a
1473 nigel 93 check for >= SBRA to distinguish the two sets. */
1474 nigel 77
1475 ph10 723 OP_SBRA, /* 130 Start of non-capturing bracket, check empty */
1476     OP_SBRAPOS, /* 131 Ditto, with unlimited, possessive repeat */
1477     OP_SCBRA, /* 132 Start of capturing bracket, check empty */
1478     OP_SCBRAPOS, /* 133 Ditto, with unlimited, possessive repeat */
1479     OP_SCOND, /* 134 Conditional group, check empty */
1480 nigel 77
1481 ph10 459 /* The next two pairs must (respectively) be kept together. */
1482 ph10 461
1483 ph10 723 OP_CREF, /* 135 Used to hold a capture number as condition */
1484     OP_NCREF, /* 136 Same, but generated by a name reference*/
1485     OP_RREF, /* 137 Used to hold a recursion number as condition */
1486     OP_NRREF, /* 138 Same, but generated by a name reference*/
1487     OP_DEF, /* 139 The DEFINE condition */
1488 nigel 93
1489 ph10 723 OP_BRAZERO, /* 140 These two must remain together and in this */
1490     OP_BRAMINZERO, /* 141 order. */
1491     OP_BRAPOSZERO, /* 142 */
1492 ph10 210
1493     /* These are backtracking control verbs */
1494    
1495 ph10 723 OP_MARK, /* 143 always has an argument */
1496     OP_PRUNE, /* 144 */
1497     OP_PRUNE_ARG, /* 145 same, but with argument */
1498     OP_SKIP, /* 146 */
1499     OP_SKIP_ARG, /* 147 same, but with argument */
1500     OP_THEN, /* 148 */
1501     OP_THEN_ARG, /* 149 same, but with argument */
1502     OP_COMMIT, /* 150 */
1503 ph10 210
1504     /* These are forced failure and success verbs */
1505    
1506 ph10 723 OP_FAIL, /* 151 */
1507     OP_ACCEPT, /* 152 */
1508     OP_ASSERT_ACCEPT, /* 153 Used inside assertions */
1509     OP_CLOSE, /* 154 Used before OP_ACCEPT to close open captures */
1510 ph10 345
1511 ph10 335 /* This is used to skip a subpattern with a {0} quantifier */
1512 ph10 345
1513 ph10 723 OP_SKIPZERO, /* 155 */
1514 ph10 498
1515     /* This is not an opcode, but is used to check that tables indexed by opcode
1516     are the correct length, in order to catch updating errors - there have been
1517     some in the past. */
1518    
1519     OP_TABLE_LENGTH
1520 nigel 77 };
1521    
1522 ph10 462 /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro
1523     definitions that follow must also be updated to match. There are also tables
1524 ph10 510 called "coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */
1525 nigel 77
1526 ph10 462
1527 nigel 77 /* This macro defines textual names for all the opcodes. These are used only
1528 ph10 602 for debugging, and some of them are only partial names. The macro is referenced
1529 ph10 604 only in pcre_printint.c, which fills out the full names in many cases (and in
1530 ph10 602 some cases doesn't actually use these names at all). */
1531 nigel 77
1532     #define OP_NAME_LIST \
1533 ph10 168 "End", "\\A", "\\G", "\\K", "\\B", "\\b", "\\D", "\\d", \
1534 ph10 341 "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte", \
1535 ph10 178 "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v", \
1536     "extuni", "\\Z", "\\z", \
1537 ph10 602 "^", "^", "$", "$", "char", "chari", "not", "noti", \
1538     "*", "*?", "+", "+?", "?", "??", \
1539     "{", "{", "{", \
1540 nigel 93 "*+","++", "?+", "{", \
1541 ph10 602 "*", "*?", "+", "+?", "?", "??", \
1542     "{", "{", "{", \
1543 nigel 93 "*+","++", "?+", "{", \
1544 ph10 602 "*", "*?", "+", "+?", "?", "??", \
1545     "{", "{", "{", \
1546     "*+","++", "?+", "{", \
1547     "*", "*?", "+", "+?", "?", "??", \
1548     "{", "{", "{", \
1549     "*+","++", "?+", "{", \
1550 nigel 77 "*", "*?", "+", "+?", "?", "??", "{", "{", "{", \
1551 nigel 93 "*+","++", "?+", "{", \
1552 nigel 77 "*", "*?", "+", "+?", "?", "??", "{", "{", \
1553 ph10 602 "class", "nclass", "xclass", "Ref", "Refi", \
1554     "Recurse", "Callout", \
1555 ph10 604 "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos", \
1556 ph10 637 "Reverse", "Assert", "Assert not", "AssertB", "AssertB not", \
1557 ph10 723 "Once", "Once_NC", \
1558 ph10 604 "Bra", "BraPos", "CBra", "CBraPos", \
1559     "Cond", \
1560     "SBra", "SBraPos", "SCBra", "SCBraPos", \
1561     "SCond", \
1562 ph10 459 "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def", \
1563 ph10 604 "Brazero", "Braminzero", "Braposzero", \
1564 ph10 510 "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP", \
1565 ph10 613 "*THEN", "*THEN", "*COMMIT", "*FAIL", \
1566     "*ACCEPT", "*ASSERT_ACCEPT", \
1567 ph10 447 "Close", "Skip zero"
1568 nigel 77
1569    
1570     /* This macro defines the length of fixed length operations in the compiled
1571     regex. The lengths are used when searching for specific things, and also in the
1572     debugging printing of a compiled regex. We use a macro so that it can be
1573     defined close to the definitions of the opcodes themselves.
1574    
1575     As things have been extended, some of these are no longer fixed lenths, but are
1576     minima instead. For example, the length of a single-character repeat may vary
1577     in UTF-8 mode. The code that uses this table must know about such things. */
1578    
1579     #define OP_LENGTHS \
1580     1, /* End */ \
1581 ph10 168 1, 1, 1, 1, 1, /* \A, \G, \K, \B, \b */ \
1582     1, 1, 1, 1, 1, 1, /* \D, \d, \S, \s, \W, \w */ \
1583 ph10 341 1, 1, 1, /* Any, AllAny, Anybyte */ \
1584 ph10 498 3, 3, /* \P, \p */ \
1585 ph10 178 1, 1, 1, 1, 1, /* \R, \H, \h, \V, \v */ \
1586 ph10 498 1, /* \X */ \
1587 ph10 602 1, 1, 1, 1, 1, 1, /* \Z, \z, ^, ^M, $, $M */ \
1588 nigel 77 2, /* Char - the minimum length */ \
1589 ph10 602 2, /* Chari - the minimum length */ \
1590 nigel 77 2, /* not */ \
1591 ph10 602 2, /* noti */ \
1592     /* Positive single-char repeats ** These are */ \
1593     2, 2, 2, 2, 2, 2, /* *, *?, +, +?, ?, ?? ** minima in */ \
1594     4, 4, 4, /* upto, minupto, exact ** mode */ \
1595 nigel 93 2, 2, 2, 4, /* *+, ++, ?+, upto+ */ \
1596 ph10 602 2, 2, 2, 2, 2, 2, /* *I, *?I, +I, +?I, ?I, ??I ** UTF-8 */ \
1597     4, 4, 4, /* upto I, minupto I, exact I */ \
1598     2, 2, 2, 4, /* *+I, ++I, ?+I, upto+I */ \
1599 nigel 77 /* Negative single-char repeats - only for chars < 256 */ \
1600     2, 2, 2, 2, 2, 2, /* NOT *, *?, +, +?, ?, ?? */ \
1601     4, 4, 4, /* NOT upto, minupto, exact */ \
1602 ph10 602 2, 2, 2, 4, /* Possessive NOT *, +, ?, upto */ \
1603     2, 2, 2, 2, 2, 2, /* NOT *I, *?I, +I, +?I, ?I, ??I */ \
1604     4, 4, 4, /* NOT upto I, minupto I, exact I */ \
1605     2, 2, 2, 4, /* Possessive NOT *I, +I, ?I, upto I */ \
1606 nigel 77 /* Positive type repeats */ \
1607     2, 2, 2, 2, 2, 2, /* Type *, *?, +, +?, ?, ?? */ \
1608     4, 4, 4, /* Type upto, minupto, exact */ \
1609 nigel 93 2, 2, 2, 4, /* Possessive *+, ++, ?+, upto+ */ \
1610 nigel 77 /* Character class & ref repeats */ \
1611     1, 1, 1, 1, 1, 1, /* *, *?, +, +?, ?, ?? */ \
1612     5, 5, /* CRRANGE, CRMINRANGE */ \
1613     33, /* CLASS */ \
1614     33, /* NCLASS */ \
1615     0, /* XCLASS - variable length */ \
1616     3, /* REF */ \
1617 ph10 602 3, /* REFI */ \
1618 nigel 77 1+LINK_SIZE, /* RECURSE */ \
1619     2+2*LINK_SIZE, /* CALLOUT */ \
1620     1+LINK_SIZE, /* Alt */ \
1621     1+LINK_SIZE, /* Ket */ \
1622     1+LINK_SIZE, /* KetRmax */ \
1623     1+LINK_SIZE, /* KetRmin */ \
1624 ph10 604 1+LINK_SIZE, /* KetRpos */ \
1625 ph10 637 1+LINK_SIZE, /* Reverse */ \
1626 nigel 77 1+LINK_SIZE, /* Assert */ \
1627     1+LINK_SIZE, /* Assert not */ \
1628     1+LINK_SIZE, /* Assert behind */ \
1629     1+LINK_SIZE, /* Assert behind not */ \
1630 nigel 93 1+LINK_SIZE, /* ONCE */ \
1631 ph10 723 1+LINK_SIZE, /* ONCE_NC */ \
1632 nigel 93 1+LINK_SIZE, /* BRA */ \
1633 ph10 604 1+LINK_SIZE, /* BRAPOS */ \
1634 nigel 93 3+LINK_SIZE, /* CBRA */ \
1635 ph10 604 3+LINK_SIZE, /* CBRAPOS */ \
1636 nigel 77 1+LINK_SIZE, /* COND */ \
1637 nigel 93 1+LINK_SIZE, /* SBRA */ \
1638 ph10 604 1+LINK_SIZE, /* SBRAPOS */ \
1639 nigel 93 3+LINK_SIZE, /* SCBRA */ \
1640 ph10 604 3+LINK_SIZE, /* SCBRAPOS */ \
1641 nigel 93 1+LINK_SIZE, /* SCOND */ \
1642 ph10 459 3, 3, /* CREF, NCREF */ \
1643     3, 3, /* RREF, NRREF */ \
1644 nigel 93 1, /* DEF */ \
1645 ph10 604 1, 1, 1, /* BRAZERO, BRAMINZERO, BRAPOSZERO */ \
1646 ph10 550 3, 1, 3, /* MARK, PRUNE, PRUNE_ARG */ \
1647     1, 3, /* SKIP, SKIP_ARG */ \
1648 ph10 716 1, 3, /* THEN, THEN_ARG */ \
1649 ph10 613 1, 1, 1, 1, /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT */ \
1650     3, 1 /* CLOSE, SKIPZERO */
1651 nigel 77
1652 ph10 459 /* A magic value for OP_RREF and OP_NRREF to indicate the "any recursion"
1653     condition. */
1654 nigel 77
1655 nigel 93 #define RREF_ANY 0xffff
1656 nigel 77
1657 ph10 499 /* Compile time error code numbers. They are given names so that they can more
1658 ph10 507 easily be tracked. When a new number is added, the table called eint in
1659 ph10 499 pcreposix.c must be updated. */
1660 nigel 77
1661     enum { ERR0, ERR1, ERR2, ERR3, ERR4, ERR5, ERR6, ERR7, ERR8, ERR9,
1662     ERR10, ERR11, ERR12, ERR13, ERR14, ERR15, ERR16, ERR17, ERR18, ERR19,
1663     ERR20, ERR21, ERR22, ERR23, ERR24, ERR25, ERR26, ERR27, ERR28, ERR29,
1664     ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,
1665 nigel 91 ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,
1666 ph10 210 ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,
1667 ph10 629 ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,
1668 ph10 760 ERR70, ERR71, ERR72, ERRCOUNT };
1669 nigel 77
1670     /* The real format of the start of the pcre block; the index of names and the
1671     code vector run on as long as necessary after the end. We store an explicit
1672     offset to the name table so that if a regex is compiled on one host, saved, and
1673     then run on another where the size of pointers is different, all might still
1674     be well. For the case of compiled-on-4 and run-on-8, we include an extra
1675     pointer that is always NULL. For future-proofing, a few dummy fields were
1676     originally included - even though you can never get this planning right - but
1677     there is only one left now.
1678    
1679     NOTE NOTE NOTE:
1680     Because people can now save and re-use compiled patterns, any additions to this
1681     structure should be made at the end, and something earlier (e.g. a new
1682     flag in the options or one of the dummy fields) should indicate that the new
1683     fields are present. Currently PCRE always sets the dummy fields to zero.
1684 ph10 455 NOTE NOTE NOTE
1685 nigel 77 */
1686    
1687     typedef struct real_pcre {
1688     pcre_uint32 magic_number;
1689     pcre_uint32 size; /* Total that was malloced */
1690 ph10 230 pcre_uint32 options; /* Public options */
1691     pcre_uint16 flags; /* Private flags */
1692     pcre_uint16 dummy1; /* For future use */
1693 nigel 77 pcre_uint16 top_bracket;
1694     pcre_uint16 top_backref;
1695     pcre_uint16 first_byte;
1696     pcre_uint16 req_byte;
1697     pcre_uint16 name_table_offset; /* Offset to name table that follows */
1698     pcre_uint16 name_entry_size; /* Size of any name items */
1699     pcre_uint16 name_count; /* Number of name items */
1700     pcre_uint16 ref_count; /* Reference count */
1701    
1702     const unsigned char *tables; /* Pointer to tables or NULL for std */
1703     const unsigned char *nullpad; /* NULL padding */
1704     } real_pcre;
1705    
1706     /* The format of the block used to store data from pcre_study(). The same
1707     remark (see NOTE above) about extending this structure applies. */
1708    
1709     typedef struct pcre_study_data {
1710     pcre_uint32 size; /* Total that was malloced */
1711 ph10 455 pcre_uint32 flags; /* Private flags */
1712     uschar start_bits[32]; /* Starting char bits */
1713 ph10 459 pcre_uint32 minlength; /* Minimum subject length */
1714 nigel 77 } pcre_study_data;
1715    
1716 ph10 459 /* Structure for building a chain of open capturing subpatterns during
1717     compiling, so that instructions to close them can be compiled when (*ACCEPT) is
1718 ph10 488 encountered. This is also used to identify subpatterns that contain recursive
1719     back references to themselves, so that they can be made atomic. */
1720 ph10 447
1721     typedef struct open_capitem {
1722     struct open_capitem *next; /* Chain link */
1723     pcre_uint16 number; /* Capture number */
1724 ph10 488 pcre_uint16 flag; /* Set TRUE if recursive back ref */
1725 ph10 459 } open_capitem;
1726 ph10 447
1727 nigel 77 /* Structure for passing "static" information around between the functions
1728     doing the compiling, so that they are thread-safe. */
1729    
1730     typedef struct compile_data {
1731     const uschar *lcc; /* Points to lower casing table */
1732     const uschar *fcc; /* Points to case-flipping table */
1733     const uschar *cbits; /* Points to character type table */
1734     const uschar *ctypes; /* Points to table of type maps */
1735 nigel 93 const uschar *start_workspace;/* The start of working space */
1736 nigel 77 const uschar *start_code; /* The start of the compiled code */
1737     const uschar *start_pattern; /* The start of the pattern */
1738 nigel 93 const uschar *end_pattern; /* The end of the pattern */
1739 ph10 459 open_capitem *open_caps; /* Chain of open capture items */
1740 nigel 93 uschar *hwm; /* High watermark of workspace */
1741 nigel 77 uschar *name_table; /* The name/number table */
1742     int names_found; /* Number of entries so far */
1743     int name_entry_size; /* Size of each entry */
1744 ph10 788 int workspace_size; /* Size of workspace */
1745 ph10 270 int bracount; /* Count of capturing parens as we compile */
1746 ph10 286 int final_bracount; /* Saved value after first pass */
1747 nigel 77 int top_backref; /* Maximum back reference */
1748     unsigned int backref_map; /* Bitmap of low back refs */
1749 ph10 654 int assert_depth; /* Depth of nested assertions */
1750 nigel 93 int external_options; /* External (initial) options */
1751 ph10 231 int external_flags; /* External flag bits to be set */
1752 nigel 77 int req_varyopt; /* "After variable item" flag for reqbyte */
1753 ph10 211 BOOL had_accept; /* (*ACCEPT) encountered */
1754 ph10 459 BOOL check_lookbehind; /* Lookbehinds need later checking */
1755 nigel 93 int nltype; /* Newline type */
1756     int nllen; /* Newline string length */
1757     uschar nl[4]; /* Newline string when fixed length */
1758 nigel 77 } compile_data;
1759    
1760     /* Structure for maintaining a chain of pointers to the currently incomplete
1761 ph10 642 branches, for testing for left recursion while compiling. */
1762 nigel 77
1763     typedef struct branch_chain {
1764     struct branch_chain *outer;
1765 ph10 475 uschar *current_branch;
1766 nigel 77 } branch_chain;
1767    
1768     /* Structure for items in a linked list that represents an explicit recursive
1769 ph10 642 call within the pattern; used by pcre_exec(). */
1770 nigel 77
1771     typedef struct recursion_info {
1772     struct recursion_info *prevrec; /* Previous recursion record (or NULL) */
1773 ph10 618 int group_num; /* Number of group that was called */
1774     int *offset_save; /* Pointer to start of saved offsets */
1775     int saved_max; /* Number of saved offsets */
1776 ph10 654 USPTR subject_position; /* Position at start of recursion */
1777 nigel 77 } recursion_info;
1778    
1779 ph10 642 /* A similar structure for pcre_dfa_exec(). */
1780    
1781     typedef struct dfa_recursion_info {
1782     struct dfa_recursion_info *prevrec;
1783     int group_num;
1784     USPTR subject_position;
1785     } dfa_recursion_info;
1786    
1787 nigel 93 /* Structure for building a chain of data for holding the values of the subject
1788     pointer at the start of each subpattern, so as to detect when an empty string
1789 ph10 654 has been matched by a subpattern - to break infinite loops; used by
1790 ph10 642 pcre_exec(). */
1791 nigel 93
1792     typedef struct eptrblock {
1793     struct eptrblock *epb_prev;
1794     USPTR epb_saved_eptr;
1795     } eptrblock;
1796    
1797    
1798 nigel 77 /* Structure for passing "static" information around between the functions
1799     doing traditional NFA matching, so that they are thread-safe. */
1800    
1801     typedef struct match_data {
1802 nigel 87 unsigned long int match_call_count; /* As it says */
1803     unsigned long int match_limit; /* As it says */
1804     unsigned long int match_limit_recursion; /* As it says */
1805 nigel 77 int *offset_vector; /* Offset vector */
1806     int offset_end; /* One past the end */
1807     int offset_max; /* The maximum usable for return data */
1808 nigel 93 int nltype; /* Newline type */
1809     int nllen; /* Newline string length */
1810 ph10 459 int name_count; /* Number of names in name table */
1811     int name_entry_size; /* Size of entry in names table */
1812 ph10 461 uschar *name_table; /* Table of names */
1813 nigel 93 uschar nl[4]; /* Newline string when fixed */
1814 ph10 613 const uschar *lcc; /* Points to lower casing table */
1815     const uschar *ctypes; /* Points to table of type maps */
1816 nigel 77 BOOL offset_overflow; /* Set if too many extractions */
1817     BOOL notbol; /* NOTBOL flag */
1818     BOOL noteol; /* NOTEOL flag */
1819     BOOL utf8; /* UTF8 flag */
1820 ph10 345 BOOL jscript_compat; /* JAVASCRIPT_COMPAT flag */
1821 ph10 535 BOOL use_ucp; /* PCRE_UCP flag */
1822 nigel 77 BOOL endonly; /* Dollar not before final \n */
1823     BOOL notempty; /* Empty string match not wanted */
1824 ph10 442 BOOL notempty_atstart; /* Empty string match at start not wanted */
1825 nigel 77 BOOL hitend; /* Hit the end of the subject at some point */
1826 ph10 231 BOOL bsr_anycrlf; /* \R is just any CRLF, not full Unicode */
1827 ph10 708 BOOL hasthen; /* Pattern contains (*THEN) */
1828 ph10 788 BOOL ignore_skip_arg; /* For re-run when SKIP name not found */
1829 ph10 613 const uschar *start_code; /* For use when recursing */
1830 nigel 87 USPTR start_subject; /* Start of the subject string */
1831     USPTR end_subject; /* End of the subject string */
1832 ph10 168 USPTR start_match_ptr; /* Start of matched string */
1833 nigel 87 USPTR end_match_ptr; /* Subject position at end match */
1834 ph10 442 USPTR start_used_ptr; /* Earliest consulted character */
1835 ph10 435 int partial; /* PARTIAL options */
1836 nigel 77 int end_offset_top; /* Highwater mark at end of match */
1837     int capture_last; /* Most recent capture number */
1838     int start_offset; /* The start offset value */
1839 ph10 613 int match_function_type; /* Set for certain special calls of MATCH() */
1840 nigel 93 eptrblock *eptrchain; /* Chain of eptrblocks for tail recursions */
1841     int eptrn; /* Next free eptrblock */
1842 nigel 77 recursion_info *recursive; /* Linked list of recursion data */
1843     void *callout_data; /* To pass back to callouts */
1844 ph10 771 const uschar *mark; /* Mark pointer to pass back on success */
1845 ph10 788 const uschar *nomatch_mark; /* Mark pointer to pass back on failure */
1846 ph10 654 const uschar *once_target; /* Where to back up to for atomic groups */
1847 nigel 77 } match_data;
1848    
1849     /* A similar structure is used for the same purpose by the DFA matching
1850     functions. */
1851    
1852     typedef struct dfa_match_data {
1853 ph10 642 const uschar *start_code; /* Start of the compiled pattern */
1854     const uschar *start_subject; /* Start of the subject string */
1855     const uschar *end_subject; /* End of subject string */
1856     const uschar *start_used_ptr; /* Earliest consulted character */
1857     const uschar *tables; /* Character tables */
1858     int start_offset; /* The start offset value */
1859     int moptions; /* Match options */
1860     int poptions; /* Pattern options */
1861     int nltype; /* Newline type */
1862     int nllen; /* Newline string length */
1863     uschar nl[4]; /* Newline string when fixed */
1864     void *callout_data; /* To pass back to callouts */
1865 ph10 654 dfa_recursion_info *recursive; /* Linked list of recursion data */
1866 nigel 77 } dfa_match_data;
1867    
1868     /* Bit definitions for entries in the pcre_ctypes table. */
1869    
1870     #define ctype_space 0x01
1871     #define ctype_letter 0x02
1872     #define ctype_digit 0x04
1873     #define ctype_xdigit 0x08
1874 ph10 274 #define ctype_word 0x10 /* alphanumeric or '_' */
1875 nigel 77 #define ctype_meta 0x80 /* regexp meta char or zero (end pattern) */
1876    
1877     /* Offsets for the bitmap tables in pcre_cbits. Each table contains a set
1878     of bits for a class map. Some classes are built by combining these tables. */
1879    
1880     #define cbit_space 0 /* [:space:] or \s */
1881     #define cbit_xdigit 32 /* [:xdigit:] */
1882     #define cbit_digit 64 /* [:digit:] or \d */
1883     #define cbit_upper 96 /* [:upper:] */
1884     #define cbit_lower 128 /* [:lower:] */
1885     #define cbit_word 160 /* [:word:] or \w */
1886     #define cbit_graph 192 /* [:graph:] */
1887     #define cbit_print 224 /* [:print:] */
1888     #define cbit_punct 256 /* [:punct:] */
1889     #define cbit_cntrl 288 /* [:cntrl:] */
1890     #define cbit_length 320 /* Length of the cbits table */
1891    
1892     /* Offsets of the various tables from the base tables pointer, and
1893     total length. */
1894    
1895     #define lcc_offset 0
1896     #define fcc_offset 256
1897     #define cbits_offset 512
1898     #define ctypes_offset (cbits_offset + cbit_length)
1899     #define tables_length (ctypes_offset + 256)
1900    
1901 nigel 87 /* Layout of the UCP type table that translates property names into types and
1902 ph10 240 codes. Each entry used to point directly to a name, but to reduce the number of
1903 ph10 243 relocations in shared libraries, it now has an offset into a single string
1904 ph10 240 instead. */
1905 nigel 77
1906     typedef struct {
1907 ph10 243 pcre_uint16 name_offset;
1908 nigel 87 pcre_uint16 type;
1909     pcre_uint16 value;
1910 nigel 77 } ucp_type_table;
1911    
1912    
1913     /* Internal shared data tables. These are tables that are used by more than one
1914     of the exported public functions. They have to be "external" in the C sense,
1915     but are not part of the PCRE public API. The data for these tables is in the
1916     pcre_tables.c module. */
1917    
1918     extern const int _pcre_utf8_table1[];
1919     extern const int _pcre_utf8_table2[];
1920     extern const int _pcre_utf8_table3[];
1921     extern const uschar _pcre_utf8_table4[];
1922    
1923 ph10 667 #ifdef SUPPORT_JIT
1924     extern const uschar _pcre_utf8_char_sizes[];
1925     #endif
1926    
1927 nigel 77 extern const int _pcre_utf8_table1_size;
1928    
1929 ph10 240 extern const char _pcre_utt_names[];
1930 nigel 77 extern const ucp_type_table _pcre_utt[];
1931     extern const int _pcre_utt_size;
1932    
1933     extern const uschar _pcre_default_tables[];
1934    
1935     extern const uschar _pcre_OP_lengths[];
1936    
1937    
1938     /* Internal shared functions. These are functions that are used by more than
1939     one of the exported public functions. They have to be "external" in the C
1940     sense, but are not part of the PCRE public API. */
1941    
1942 ph10 455 extern const uschar *_pcre_find_bracket(const uschar *, BOOL, int);
1943 ph10 483 extern BOOL _pcre_is_newline(USPTR, int, USPTR, int *, BOOL);
1944 ph10 455 extern int _pcre_ord2utf8(int, uschar *);
1945     extern real_pcre *_pcre_try_flipped(const real_pcre *, real_pcre *,
1946     const pcre_study_data *, pcre_study_data *);
1947 ph10 598 extern int _pcre_valid_utf8(USPTR, int, int *);
1948 ph10 483 extern BOOL _pcre_was_newline(USPTR, int, USPTR, int *, BOOL);
1949 ph10 455 extern BOOL _pcre_xclass(int, const uschar *);
1950 nigel 77
1951 ph10 667 #ifdef SUPPORT_JIT
1952     extern void _pcre_jit_compile(const real_pcre *, pcre_extra *);
1953 ph10 691 extern int _pcre_jit_exec(const real_pcre *, void *, PCRE_SPTR,
1954 ph10 677 int, int, int, int, int *, int);
1955 ph10 667 extern void _pcre_jit_free(void *);
1956 ph10 780 extern int _pcre_jit_get_size(void *);
1957 ph10 667 #endif
1958 ph10 349
1959     /* Unicode character database (UCD) */
1960    
1961     typedef struct {
1962     uschar script;
1963     uschar chartype;
1964 ph10 351 pcre_int32 other_case;
1965 ph10 349 } ucd_record;
1966    
1967 ph10 351 extern const ucd_record _pcre_ucd_records[];
1968     extern const uschar _pcre_ucd_stage1[];
1969     extern const pcre_uint16 _pcre_ucd_stage2[];
1970     extern const int _pcre_ucp_gentype[];
1971 ph10 667 #ifdef SUPPORT_JIT
1972     extern const int _pcre_ucp_typerange[];
1973     #endif
1974 ph10 349
1975     /* UCD access macros */
1976    
1977     #define UCD_BLOCK_SIZE 128
1978 ph10 351 #define GET_UCD(ch) (_pcre_ucd_records + \
1979     _pcre_ucd_stage2[_pcre_ucd_stage1[(ch) / UCD_BLOCK_SIZE] * \
1980 ph10 593 UCD_BLOCK_SIZE + (ch) % UCD_BLOCK_SIZE])
1981 ph10 349
1982     #define UCD_CHARTYPE(ch) GET_UCD(ch)->chartype
1983     #define UCD_SCRIPT(ch) GET_UCD(ch)->script
1984 ph10 351 #define UCD_CATEGORY(ch) _pcre_ucp_gentype[UCD_CHARTYPE(ch)]
1985     #define UCD_OTHERCASE(ch) (ch + GET_UCD(ch)->other_case)
1986 ph10 349
1987 nigel 85 #endif
1988    
1989 nigel 77 /* End of pcre_internal.h */

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