/[pcre]/code/trunk/pcre_internal.h
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revision 535 by ph10, Thu Jun 3 19:18:24 2010 UTC revision 852 by zherczeg, Thu Jan 5 19:18:12 2012 UTC
# Line 7  Line 7 
7  and semantics are as close as possible to those of the Perl 5 language.  and semantics are as close as possible to those of the Perl 5 language.
8    
9                         Written by Philip Hazel                         Written by Philip Hazel
10             Copyright (c) 1997-2010 University of Cambridge             Copyright (c) 1997-2012 University of Cambridge
11    
12  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
13  Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
# Line 40  POSSIBILITY OF SUCH DAMAGE. Line 40  POSSIBILITY OF SUCH DAMAGE.
40    
41  /* This header contains definitions that are shared between the different  /* This header contains definitions that are shared between the different
42  modules, but which are not relevant to the exported API. This includes some  modules, but which are not relevant to the exported API. This includes some
43  functions whose names all begin with "_pcre_". */  functions whose names all begin with "_pcre_" or "_pcre16_" depending on
44    the PRIV macro. */
45    
46  #ifndef PCRE_INTERNAL_H  #ifndef PCRE_INTERNAL_H
47  #define PCRE_INTERNAL_H  #define PCRE_INTERNAL_H
# Line 51  functions whose names all begin with "_p Line 52  functions whose names all begin with "_p
52  #define PCRE_DEBUG  #define PCRE_DEBUG
53  #endif  #endif
54    
55  /* We do not support both EBCDIC and UTF-8 at the same time. The "configure"  /* PCRE is compiled as an 8 bit library if it is not requested otherwise. */
56  script prevents both being selected, but not everybody uses "configure". */  #ifndef COMPILE_PCRE16
57    #define COMPILE_PCRE8
 #if defined EBCDIC && defined SUPPORT_UTF8  
 #error The use of both EBCDIC and SUPPORT_UTF8 is not supported.  
58  #endif  #endif
59    
60  /* If SUPPORT_UCP is defined, SUPPORT_UTF8 must also be defined. The  /* If SUPPORT_UCP is defined, SUPPORT_UTF must also be defined. The
61  "configure" script ensures this, but not everybody uses "configure". */  "configure" script ensures this, but not everybody uses "configure". */
62    
63  #if defined SUPPORT_UCP && !defined SUPPORT_UTF8  #if defined SUPPORT_UCP && !(defined SUPPORT_UTF)
64    #define SUPPORT_UTF 1
65    #endif
66    
67    /* We define SUPPORT_UTF if SUPPORT_UTF8 is enabled for compatibility
68    reasons with existing code. */
69    
70    #if defined SUPPORT_UTF8 && !(defined SUPPORT_UTF)
71    #define SUPPORT_UTF 1
72    #endif
73    
74    /* Fixme: SUPPORT_UTF8 should be eventually disappear from the code.
75    Until then we define it if SUPPORT_UTF is defined. */
76    
77    #if defined SUPPORT_UTF && !(defined SUPPORT_UTF8)
78  #define SUPPORT_UTF8 1  #define SUPPORT_UTF8 1
79  #endif  #endif
80    
81    /* We do not support both EBCDIC and UTF-8/16 at the same time. The "configure"
82    script prevents both being selected, but not everybody uses "configure". */
83    
84    #if defined EBCDIC && defined SUPPORT_UTF
85    #error The use of both EBCDIC and SUPPORT_UTF8/16 is not supported.
86    #endif
87    
88  /* Use a macro for debugging printing, 'cause that eliminates the use of #ifdef  /* Use a macro for debugging printing, 'cause that eliminates the use of #ifdef
89  inline, and there are *still* stupid compilers about that don't like indented  inline, and there are *still* stupid compilers about that don't like indented
90  pre-processor statements, or at least there were when I first wrote this. After  pre-processor statements, or at least there were when I first wrote this. After
# Line 158  set, we ensure here that it has no effec Line 178  set, we ensure here that it has no effec
178  #define PCRE_CALL_CONVENTION  #define PCRE_CALL_CONVENTION
179  #endif  #endif
180    
181  /* We need to have types that specify unsigned 16-bit and 32-bit integers. We  /* We need to have types that specify unsigned 8, 16 and 32-bit integers. We
182  cannot determine these outside the compilation (e.g. by running a program as  cannot determine these outside the compilation (e.g. by running a program as
183  part of "configure") because PCRE is often cross-compiled for use on other  part of "configure") because PCRE is often cross-compiled for use on other
184  systems. Instead we make use of the maximum sizes that are available at  systems. Instead we make use of the maximum sizes that are available at
185  preprocessor time in standard C environments. */  preprocessor time in standard C environments. */
186    
187    typedef unsigned char pcre_uint8;
188    
189  #if USHRT_MAX == 65535  #if USHRT_MAX == 65535
190    typedef unsigned short pcre_uint16;    typedef unsigned short pcre_uint16;
191    typedef short pcre_int16;    typedef short pcre_int16;
# Line 206  by "configure". */ Line 228  by "configure". */
228    
229  /* All character handling must be done as unsigned characters. Otherwise there  /* All character handling must be done as unsigned characters. Otherwise there
230  are problems with top-bit-set characters and functions such as isspace().  are problems with top-bit-set characters and functions such as isspace().
231  However, we leave the interface to the outside world as char *, because that  However, we leave the interface to the outside world as char * or short *,
232  should make things easier for callers. We define a short type for unsigned char  because that should make things easier for callers. This character type is
233  to save lots of typing. I tried "uchar", but it causes problems on Digital  called pcre_uchar.
234  Unix, where it is defined in sys/types, so use "uschar" instead. */  
235    The IN_UCHARS macro multiply its argument with the byte size of the current
236    pcre_uchar type. Useful for memcpy and such operations, whose require the
237    byte size of their input/output buffers.
238    
239    The MAX_255 macro checks whether its pcre_uchar input is less than 256.
240    
241    The TABLE_GET macro is designed for accessing elements of tables whose contain
242    exactly 256 items. When the character is able to contain more than 256
243    items, some check is needed before accessing these tables.
244    */
245    
246    #ifdef COMPILE_PCRE8
247    
248    typedef unsigned char pcre_uchar;
249    #define IN_UCHARS(x) (x)
250    #define MAX_255(c) 1
251    #define TABLE_GET(c, table, default) ((table)[c])
252    
253    #else
254    
255    #ifdef COMPILE_PCRE16
256    #if USHRT_MAX != 65535
257    /* This is a warning message. Change PCRE_SCHAR16 to a 16 bit data type in
258    pcre.h(.in) and disable (comment out) this message. */
259    #error Warning: PCRE_SCHAR16 is not a 16 bit data type.
260    #endif
261    
262    typedef pcre_uint16 pcre_uchar;
263    #define IN_UCHARS(x) ((x) << 1)
264    #define MAX_255(c) ((c) <= 255u)
265    #define TABLE_GET(c, table, default) (MAX_255(c)? ((table)[c]):(default))
266    
267    #else
268    #error Unsupported compiling mode
269    #endif /* COMPILE_PCRE16 */
270    
271  typedef unsigned char uschar;  #endif /* COMPILE_PCRE8 */
272    
273  /* This is an unsigned int value that no character can ever have. UTF-8  /* This is an unsigned int value that no character can ever have. UTF-8
274  characters only go up to 0x7fffffff (though Unicode doesn't go beyond  characters only go up to 0x7fffffff (though Unicode doesn't go beyond
# Line 234  start/end of string field names are. */ Line 291  start/end of string field names are. */
291  #define IS_NEWLINE(p) \  #define IS_NEWLINE(p) \
292    ((NLBLOCK->nltype != NLTYPE_FIXED)? \    ((NLBLOCK->nltype != NLTYPE_FIXED)? \
293      ((p) < NLBLOCK->PSEND && \      ((p) < NLBLOCK->PSEND && \
294       _pcre_is_newline((p), NLBLOCK->nltype, NLBLOCK->PSEND, &(NLBLOCK->nllen),\       PRIV(is_newline)((p), NLBLOCK->nltype, NLBLOCK->PSEND, \
295         utf8)) \         &(NLBLOCK->nllen), utf)) \
296      : \      : \
297      ((p) <= NLBLOCK->PSEND - NLBLOCK->nllen && \      ((p) <= NLBLOCK->PSEND - NLBLOCK->nllen && \
298       (p)[0] == NLBLOCK->nl[0] && \       (p)[0] == NLBLOCK->nl[0] && \
# Line 248  start/end of string field names are. */ Line 305  start/end of string field names are. */
305  #define WAS_NEWLINE(p) \  #define WAS_NEWLINE(p) \
306    ((NLBLOCK->nltype != NLTYPE_FIXED)? \    ((NLBLOCK->nltype != NLTYPE_FIXED)? \
307      ((p) > NLBLOCK->PSSTART && \      ((p) > NLBLOCK->PSSTART && \
308       _pcre_was_newline((p), NLBLOCK->nltype, NLBLOCK->PSSTART, \       PRIV(was_newline)((p), NLBLOCK->nltype, NLBLOCK->PSSTART, \
309         &(NLBLOCK->nllen), utf8)) \         &(NLBLOCK->nllen), utf)) \
310      : \      : \
311      ((p) >= NLBLOCK->PSSTART + NLBLOCK->nllen && \      ((p) >= NLBLOCK->PSSTART + NLBLOCK->nllen && \
312       (p)[-NLBLOCK->nllen] == NLBLOCK->nl[0] && \       (p)[-NLBLOCK->nllen] == NLBLOCK->nl[0] && \
# Line 267  used for the external interface and appe Line 324  used for the external interface and appe
324  must begin with PCRE_. */  must begin with PCRE_. */
325    
326  #ifdef CUSTOM_SUBJECT_PTR  #ifdef CUSTOM_SUBJECT_PTR
327  #define PCRE_SPTR CUSTOM_SUBJECT_PTR  #define PCRE_PUCHAR CUSTOM_SUBJECT_PTR
 #define USPTR CUSTOM_SUBJECT_PTR  
328  #else  #else
329  #define PCRE_SPTR const char *  #define PCRE_PUCHAR const pcre_uchar *
 #define USPTR const unsigned char *  
330  #endif  #endif
331    
   
   
332  /* Include the public PCRE header and the definitions of UCP character property  /* Include the public PCRE header and the definitions of UCP character property
333  values. */  values. */
334    
# Line 343  The macros are controlled by the value o Line 396  The macros are controlled by the value o
396  the config.h file, but can be overridden by using -D on the command line. This  the config.h file, but can be overridden by using -D on the command line. This
397  is automated on Unix systems via the "configure" command. */  is automated on Unix systems via the "configure" command. */
398    
399    #ifdef COMPILE_PCRE8
400    
401  #if LINK_SIZE == 2  #if LINK_SIZE == 2
402    
403  #define PUT(a,n,d)   \  #define PUT(a,n,d)   \
# Line 379  is automated on Unix systems via the "co Line 434  is automated on Unix systems via the "co
434  #define GET(a,n) \  #define GET(a,n) \
435    (((a)[n] << 24) | ((a)[(n)+1] << 16) | ((a)[(n)+2] << 8) | (a)[(n)+3])    (((a)[n] << 24) | ((a)[(n)+1] << 16) | ((a)[(n)+2] << 8) | (a)[(n)+3])
436    
437  #define MAX_PATTERN_SIZE (1 << 30)   /* Keep it positive */  /* Keep it positive */
438    #define MAX_PATTERN_SIZE (1 << 30)
439    
440    #else
441    #error LINK_SIZE must be either 2, 3, or 4
442    #endif
443    
444    #else /* COMPILE_PCRE8 */
445    
446    #ifdef COMPILE_PCRE16
447    
448    #if LINK_SIZE == 2
449    
450    #undef LINK_SIZE
451    #define LINK_SIZE 1
452    
453    #define PUT(a,n,d)   \
454      (a[n] = (d))
455    
456    #define GET(a,n) \
457      (a[n])
458    
459    #define MAX_PATTERN_SIZE (1 << 16)
460    
461    #elif LINK_SIZE == 3 || LINK_SIZE == 4
462    
463    #undef LINK_SIZE
464    #define LINK_SIZE 2
465    
466    #define PUT(a,n,d)   \
467      (a[n] = (d) >> 16), \
468      (a[(n)+1] = (d) & 65535)
469    
470    #define GET(a,n) \
471      (((a)[n] << 16) | (a)[(n)+1])
472    
473    /* Keep it positive */
474    #define MAX_PATTERN_SIZE (1 << 30)
475    
476  #else  #else
477  #error LINK_SIZE must be either 2, 3, or 4  #error LINK_SIZE must be either 2, 3, or 4
478  #endif  #endif
479    
480    #else
481    #error Unsupported compiling mode
482    #endif /* COMPILE_PCRE16 */
483    
484    #endif /* COMPILE_PCRE8 */
485    
486  /* Convenience macro defined in terms of the others */  /* Convenience macro defined in terms of the others */
487    
# Line 396  is automated on Unix systems via the "co Line 492  is automated on Unix systems via the "co
492  offsets changes. There are used for repeat counts and for other things such as  offsets changes. There are used for repeat counts and for other things such as
493  capturing parenthesis numbers in back references. */  capturing parenthesis numbers in back references. */
494    
495    #ifdef COMPILE_PCRE8
496    
497    #define IMM2_SIZE 2
498    
499  #define PUT2(a,n,d)   \  #define PUT2(a,n,d)   \
500    a[n] = (d) >> 8; \    a[n] = (d) >> 8; \
501    a[(n)+1] = (d) & 255    a[(n)+1] = (d) & 255
# Line 403  capturing parenthesis numbers in back re Line 503  capturing parenthesis numbers in back re
503  #define GET2(a,n) \  #define GET2(a,n) \
504    (((a)[n] << 8) | (a)[(n)+1])    (((a)[n] << 8) | (a)[(n)+1])
505    
506  #define PUT2INC(a,n,d)  PUT2(a,n,d), a += 2  #else /* COMPILE_PCRE8 */
507    
508    #ifdef COMPILE_PCRE16
509    
510    #define IMM2_SIZE 1
511    
512    #define PUT2(a,n,d)   \
513       a[n] = d
514    
515    #define GET2(a,n) \
516       a[n]
517    
518    #else
519    #error Unsupported compiling mode
520    #endif /* COMPILE_PCRE16 */
521    
522    #endif /* COMPILE_PCRE8 */
523    
524  /* When UTF-8 encoding is being used, a character is no longer just a single  #define PUT2INC(a,n,d)  PUT2(a,n,d), a += IMM2_SIZE
 byte. The macros for character handling generate simple sequences when used in  
 byte-mode, and more complicated ones for UTF-8 characters. BACKCHAR should  
 never be called in byte mode. To make sure it can never even appear when UTF-8  
 support is omitted, we don't even define it. */  
525    
526  #ifndef SUPPORT_UTF8  /* When UTF encoding is being used, a character is no longer just a single
527    character. The macros for character handling generate simple sequences when
528    used in character-mode, and more complicated ones for UTF characters.
529    GETCHARLENTEST and other macros are not used when UTF is not supported,
530    so they are not defined. To make sure they can never even appear when
531    UTF support is omitted, we don't even define them. */
532    
533    #ifndef SUPPORT_UTF
534    
535    /* #define MAX_VALUE_FOR_SINGLE_CHAR */
536    /* #define HAS_EXTRALEN(c) */
537    /* #define GET_EXTRALEN(c) */
538    /* #define NOT_FIRSTCHAR(c) */
539  #define GETCHAR(c, eptr) c = *eptr;  #define GETCHAR(c, eptr) c = *eptr;
540  #define GETCHARTEST(c, eptr) c = *eptr;  #define GETCHARTEST(c, eptr) c = *eptr;
541  #define GETCHARINC(c, eptr) c = *eptr++;  #define GETCHARINC(c, eptr) c = *eptr++;
542  #define GETCHARINCTEST(c, eptr) c = *eptr++;  #define GETCHARINCTEST(c, eptr) c = *eptr++;
543  #define GETCHARLEN(c, eptr, len) c = *eptr;  #define GETCHARLEN(c, eptr, len) c = *eptr;
544    /* #define GETCHARLENTEST(c, eptr, len) */
545  /* #define BACKCHAR(eptr) */  /* #define BACKCHAR(eptr) */
546    /* #define FORWARDCHAR(eptr) */
547    /* #define ACROSSCHAR(condition, eptr, action) */
548    
549    #else   /* SUPPORT_UTF */
550    
551    #ifdef COMPILE_PCRE8
552    
553  #else   /* SUPPORT_UTF8 */  /* These macros were originally written in the form of loops that used data
554    from the tables whose names start with PRIV(utf8_table). They were rewritten by
555    a user so as not to use loops, because in some environments this gives a
556    significant performance advantage, and it seems never to do any harm. */
557    
558    /* Tells the biggest code point which can be encoded as a single character. */
559    
560    #define MAX_VALUE_FOR_SINGLE_CHAR 127
561    
562    /* Tests whether the code point needs extra characters to decode. */
563    
564    #define HAS_EXTRALEN(c) ((c) >= 0xc0)
565    
566    /* Returns with the additional number of characters if IS_MULTICHAR(c) is TRUE.
567    Otherwise it has an undefined behaviour. */
568    
569    #define GET_EXTRALEN(c) (PRIV(utf8_table4)[(c) & 0x3f])
570    
571    /* Returns TRUE, if the given character is not the first character
572    of a UTF sequence. */
573    
574    #define NOT_FIRSTCHAR(c) (((c) & 0xc0) == 0x80)
575    
576    /* Base macro to pick up the remaining bytes of a UTF-8 character, not
577    advancing the pointer. */
578    
579    #define GETUTF8(c, eptr) \
580        { \
581        if ((c & 0x20) == 0) \
582          c = ((c & 0x1f) << 6) | (eptr[1] & 0x3f); \
583        else if ((c & 0x10) == 0) \
584          c = ((c & 0x0f) << 12) | ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
585        else if ((c & 0x08) == 0) \
586          c = ((c & 0x07) << 18) | ((eptr[1] & 0x3f) << 12) | \
587          ((eptr[2] & 0x3f) << 6) | (eptr[3] & 0x3f); \
588        else if ((c & 0x04) == 0) \
589          c = ((c & 0x03) << 24) | ((eptr[1] & 0x3f) << 18) | \
590              ((eptr[2] & 0x3f) << 12) | ((eptr[3] & 0x3f) << 6) | \
591              (eptr[4] & 0x3f); \
592        else \
593          c = ((c & 0x01) << 30) | ((eptr[1] & 0x3f) << 24) | \
594              ((eptr[2] & 0x3f) << 18) | ((eptr[3] & 0x3f) << 12) | \
595              ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \
596        }
597    
598  /* Get the next UTF-8 character, not advancing the pointer. This is called when  /* Get the next UTF-8 character, not advancing the pointer. This is called when
599  we know we are in UTF-8 mode. */  we know we are in UTF-8 mode. */
600    
601  #define GETCHAR(c, eptr) \  #define GETCHAR(c, eptr) \
602    c = *eptr; \    c = *eptr; \
603    if (c >= 0xc0) \    if (c >= 0xc0) GETUTF8(c, eptr);
     { \  
     int gcii; \  
     int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \  
     int gcss = 6*gcaa; \  
     c = (c & _pcre_utf8_table3[gcaa]) << gcss; \  
     for (gcii = 1; gcii <= gcaa; gcii++) \  
       { \  
       gcss -= 6; \  
       c |= (eptr[gcii] & 0x3f) << gcss; \  
       } \  
     }  
604    
605  /* Get the next UTF-8 character, testing for UTF-8 mode, and not advancing the  /* Get the next UTF-8 character, testing for UTF-8 mode, and not advancing the
606  pointer. */  pointer. */
607    
608  #define GETCHARTEST(c, eptr) \  #define GETCHARTEST(c, eptr) \
609    c = *eptr; \    c = *eptr; \
610    if (utf8 && c >= 0xc0) \    if (utf && c >= 0xc0) GETUTF8(c, eptr);
611    
612    /* Base macro to pick up the remaining bytes of a UTF-8 character, advancing
613    the pointer. */
614    
615    #define GETUTF8INC(c, eptr) \
616      { \      { \
617      int gcii; \      if ((c & 0x20) == 0) \
618      int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \        c = ((c & 0x1f) << 6) | (*eptr++ & 0x3f); \
619      int gcss = 6*gcaa; \      else if ((c & 0x10) == 0) \
620      c = (c & _pcre_utf8_table3[gcaa]) << gcss; \        { \
621      for (gcii = 1; gcii <= gcaa; gcii++) \        c = ((c & 0x0f) << 12) | ((*eptr & 0x3f) << 6) | (eptr[1] & 0x3f); \
622          eptr += 2; \
623          } \
624        else if ((c & 0x08) == 0) \
625          { \
626          c = ((c & 0x07) << 18) | ((*eptr & 0x3f) << 12) | \
627              ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
628          eptr += 3; \
629          } \
630        else if ((c & 0x04) == 0) \
631          { \
632          c = ((c & 0x03) << 24) | ((*eptr & 0x3f) << 18) | \
633              ((eptr[1] & 0x3f) << 12) | ((eptr[2] & 0x3f) << 6) | \
634              (eptr[3] & 0x3f); \
635          eptr += 4; \
636          } \
637        else \
638        { \        { \
639        gcss -= 6; \        c = ((c & 0x01) << 30) | ((*eptr & 0x3f) << 24) | \
640        c |= (eptr[gcii] & 0x3f) << gcss; \            ((eptr[1] & 0x3f) << 18) | ((eptr[2] & 0x3f) << 12) | \
641              ((eptr[3] & 0x3f) << 6) | (eptr[4] & 0x3f); \
642          eptr += 5; \
643        } \        } \
644      }      }
645    
# Line 463  know we are in UTF-8 mode. */ Line 648  know we are in UTF-8 mode. */
648    
649  #define GETCHARINC(c, eptr) \  #define GETCHARINC(c, eptr) \
650    c = *eptr++; \    c = *eptr++; \
651    if (c >= 0xc0) \    if (c >= 0xc0) GETUTF8INC(c, eptr);
     { \  
     int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \  
     int gcss = 6*gcaa; \  
     c = (c & _pcre_utf8_table3[gcaa]) << gcss; \  
     while (gcaa-- > 0) \  
       { \  
       gcss -= 6; \  
       c |= (*eptr++ & 0x3f) << gcss; \  
       } \  
     }  
652    
653  /* Get the next character, testing for UTF-8 mode, and advancing the pointer.  /* Get the next character, testing for UTF-8 mode, and advancing the pointer.
654  This is called when we don't know if we are in UTF-8 mode. */  This is called when we don't know if we are in UTF-8 mode. */
655    
656  #define GETCHARINCTEST(c, eptr) \  #define GETCHARINCTEST(c, eptr) \
657    c = *eptr++; \    c = *eptr++; \
658    if (utf8 && c >= 0xc0) \    if (utf && c >= 0xc0) GETUTF8INC(c, eptr);
659    
660    /* Base macro to pick up the remaining bytes of a UTF-8 character, not
661    advancing the pointer, incrementing the length. */
662    
663    #define GETUTF8LEN(c, eptr, len) \
664      { \      { \
665      int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \      if ((c & 0x20) == 0) \
     int gcss = 6*gcaa; \  
     c = (c & _pcre_utf8_table3[gcaa]) << gcss; \  
     while (gcaa-- > 0) \  
666        { \        { \
667        gcss -= 6; \        c = ((c & 0x1f) << 6) | (eptr[1] & 0x3f); \
668        c |= (*eptr++ & 0x3f) << gcss; \        len++; \
669          } \
670        else if ((c & 0x10)  == 0) \
671          { \
672          c = ((c & 0x0f) << 12) | ((eptr[1] & 0x3f) << 6) | (eptr[2] & 0x3f); \
673          len += 2; \
674          } \
675        else if ((c & 0x08)  == 0) \
676          {\
677          c = ((c & 0x07) << 18) | ((eptr[1] & 0x3f) << 12) | \
678              ((eptr[2] & 0x3f) << 6) | (eptr[3] & 0x3f); \
679          len += 3; \
680          } \
681        else if ((c & 0x04)  == 0) \
682          { \
683          c = ((c & 0x03) << 24) | ((eptr[1] & 0x3f) << 18) | \
684              ((eptr[2] & 0x3f) << 12) | ((eptr[3] & 0x3f) << 6) | \
685              (eptr[4] & 0x3f); \
686          len += 4; \
687          } \
688        else \
689          {\
690          c = ((c & 0x01) << 30) | ((eptr[1] & 0x3f) << 24) | \
691              ((eptr[2] & 0x3f) << 18) | ((eptr[3] & 0x3f) << 12) | \
692              ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \
693          len += 5; \
694        } \        } \
695      }      }
696    
# Line 497  if there are extra bytes. This is called Line 699  if there are extra bytes. This is called
699    
700  #define GETCHARLEN(c, eptr, len) \  #define GETCHARLEN(c, eptr, len) \
701    c = *eptr; \    c = *eptr; \
702    if (c >= 0xc0) \    if (c >= 0xc0) GETUTF8LEN(c, eptr, len);
     { \  
     int gcii; \  
     int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \  
     int gcss = 6*gcaa; \  
     c = (c & _pcre_utf8_table3[gcaa]) << gcss; \  
     for (gcii = 1; gcii <= gcaa; gcii++) \  
       { \  
       gcss -= 6; \  
       c |= (eptr[gcii] & 0x3f) << gcss; \  
       } \  
     len += gcaa; \  
     }  
703    
704  /* Get the next UTF-8 character, testing for UTF-8 mode, not advancing the  /* Get the next UTF-8 character, testing for UTF-8 mode, not advancing the
705  pointer, incrementing length if there are extra bytes. This is called when we  pointer, incrementing length if there are extra bytes. This is called when we
# Line 517  do not know if we are in UTF-8 mode. */ Line 707  do not know if we are in UTF-8 mode. */
707    
708  #define GETCHARLENTEST(c, eptr, len) \  #define GETCHARLENTEST(c, eptr, len) \
709    c = *eptr; \    c = *eptr; \
710    if (utf8 && c >= 0xc0) \    if (utf && c >= 0xc0) GETUTF8LEN(c, eptr, len);
     { \  
     int gcii; \  
     int gcaa = _pcre_utf8_table4[c & 0x3f];  /* Number of additional bytes */ \  
     int gcss = 6*gcaa; \  
     c = (c & _pcre_utf8_table3[gcaa]) << gcss; \  
     for (gcii = 1; gcii <= gcaa; gcii++) \  
       { \  
       gcss -= 6; \  
       c |= (eptr[gcii] & 0x3f) << gcss; \  
       } \  
     len += gcaa; \  
     }  
711    
712  /* If the pointer is not at the start of a character, move it back until  /* If the pointer is not at the start of a character, move it back until
713  it is. This is called only in UTF-8 mode - we don't put a test within the macro  it is. This is called only in UTF-8 mode - we don't put a test within the macro
# Line 537  because almost all calls are already wit Line 715  because almost all calls are already wit
715    
716  #define BACKCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr--  #define BACKCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr--
717    
718    /* Same as above, just in the other direction. */
719    #define FORWARDCHAR(eptr) while((*eptr & 0xc0) == 0x80) eptr++
720    
721    /* Same as above, but it allows a fully customizable form. */
722    #define ACROSSCHAR(condition, eptr, action) \
723      while((condition) && ((eptr) & 0xc0) == 0x80) action
724    
725    #else /* COMPILE_PCRE8 */
726    
727    #ifdef COMPILE_PCRE16
728    
729    /* Tells the biggest code point which can be encoded as a single character. */
730    
731    #define MAX_VALUE_FOR_SINGLE_CHAR 65535
732    
733    /* Tests whether the code point needs extra characters to decode. */
734    
735    #define HAS_EXTRALEN(c) (((c) & 0xfc00) == 0xd800)
736    
737    /* Returns with the additional number of characters if IS_MULTICHAR(c) is TRUE.
738    Otherwise it has an undefined behaviour. */
739    
740    #define GET_EXTRALEN(c) 1
741    
742    /* Returns TRUE, if the given character is not the first character
743    of a UTF sequence. */
744    
745    #define NOT_FIRSTCHAR(c) (((c) & 0xfc00) == 0xdc00)
746    
747    /* Base macro to pick up the low surrogate of a UTF-16 character, not
748    advancing the pointer. */
749    
750    #define GETUTF16(c, eptr) \
751       { c = (((c & 0x3ff) << 10) | (eptr[1] & 0x3ff)) + 0x10000; }
752    
753    /* Get the next UTF-16 character, not advancing the pointer. This is called when
754    we know we are in UTF-16 mode. */
755    
756    #define GETCHAR(c, eptr) \
757      c = *eptr; \
758      if ((c & 0xfc00) == 0xd800) GETUTF16(c, eptr);
759    
760    /* Get the next UTF-16 character, testing for UTF-16 mode, and not advancing the
761    pointer. */
762    
763    #define GETCHARTEST(c, eptr) \
764      c = *eptr; \
765      if (utf && (c & 0xfc00) == 0xd800) GETUTF16(c, eptr);
766    
767    /* Base macro to pick up the low surrogate of a UTF-16 character, advancing
768    the pointer. */
769    
770    #define GETUTF16INC(c, eptr) \
771       { c = (((c & 0x3ff) << 10) | (*eptr++ & 0x3ff)) + 0x10000; }
772    
773    /* Get the next UTF-16 character, advancing the pointer. This is called when we
774    know we are in UTF-16 mode. */
775    
776    #define GETCHARINC(c, eptr) \
777      c = *eptr++; \
778      if ((c & 0xfc00) == 0xd800) GETUTF16INC(c, eptr);
779    
780    /* Get the next character, testing for UTF-16 mode, and advancing the pointer.
781    This is called when we don't know if we are in UTF-16 mode. */
782    
783    #define GETCHARINCTEST(c, eptr) \
784      c = *eptr++; \
785      if (utf && (c & 0xfc00) == 0xd800) GETUTF16INC(c, eptr);
786    
787    /* Base macro to pick up the low surrogate of a UTF-16 character, not
788    advancing the pointer, incrementing the length. */
789    
790    #define GETUTF16LEN(c, eptr, len) \
791       { c = (((c & 0x3ff) << 10) | (eptr[1] & 0x3ff)) + 0x10000; len++; }
792    
793    /* Get the next UTF-16 character, not advancing the pointer, incrementing
794    length if there is a low surrogate. This is called when we know we are in
795    UTF-16 mode. */
796    
797    #define GETCHARLEN(c, eptr, len) \
798      c = *eptr; \
799      if ((c & 0xfc00) == 0xd800) GETUTF16LEN(c, eptr, len);
800    
801    /* Get the next UTF-816character, testing for UTF-16 mode, not advancing the
802    pointer, incrementing length if there is a low surrogate. This is called when
803    we do not know if we are in UTF-16 mode. */
804    
805    #define GETCHARLENTEST(c, eptr, len) \
806      c = *eptr; \
807      if (utf && (c & 0xfc00) == 0xd800) GETUTF16LEN(c, eptr, len);
808    
809    /* If the pointer is not at the start of a character, move it back until
810    it is. This is called only in UTF-16 mode - we don't put a test within the
811    macro because almost all calls are already within a block of UTF-16 only
812    code. */
813    
814    #define BACKCHAR(eptr) if ((*eptr & 0xfc00) == 0xdc00) eptr--
815    
816    /* Same as above, just in the other direction. */
817    #define FORWARDCHAR(eptr) if ((*eptr & 0xfc00) == 0xdc00) eptr++
818    
819    /* Same as above, but it allows a fully customizable form. */
820    #define ACROSSCHAR(condition, eptr, action) \
821      if ((condition) && ((eptr) & 0xfc00) == 0xdc00) action
822    
823  #endif  #endif
824    
825    #endif /* COMPILE_PCRE8 */
826    
827    #endif  /* SUPPORT_UTF */
828    
829    
830  /* In case there is no definition of offsetof() provided - though any proper  /* In case there is no definition of offsetof() provided - though any proper
831  Standard C system should have one. */  Standard C system should have one. */
# Line 548  Standard C system should have one. */ Line 835  Standard C system should have one. */
835  #endif  #endif
836    
837    
 /* These are the public options that can change during matching. */  
   
 #define PCRE_IMS (PCRE_CASELESS|PCRE_MULTILINE|PCRE_DOTALL)  
   
838  /* Private flags containing information about the compiled regex. They used to  /* Private flags containing information about the compiled regex. They used to
839  live at the top end of the options word, but that got almost full, so now they  live at the top end of the options word, but that got almost full, so now they
840  are in a 16-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as  are in a 16-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as
841  the restrictions on partial matching have been lifted. It remains for backwards  the restrictions on partial matching have been lifted. It remains for backwards
842  compatibility. */  compatibility. */
843    
844  #define PCRE_NOPARTIAL     0x0001  /* can't use partial with this regex */  #ifdef COMPILE_PCRE8
845  #define PCRE_FIRSTSET      0x0002  /* first_byte is set */  #define PCRE_MODE          0x0001  /* compiled in 8 bit mode */
846  #define PCRE_REQCHSET      0x0004  /* req_byte is set */  #endif
847  #define PCRE_STARTLINE     0x0008  /* start after \n for multiline */  #ifdef COMPILE_PCRE16
848  #define PCRE_JCHANGED      0x0010  /* j option used in regex */  #define PCRE_MODE          0x0002  /* compiled in 16 bit mode */
849  #define PCRE_HASCRORLF     0x0020  /* explicit \r or \n in pattern */  #endif
850    #define PCRE_FIRSTSET      0x0010  /* first_char is set */
851    #define PCRE_FCH_CASELESS  0x0020  /* caseless first char */
852    #define PCRE_REQCHSET      0x0040  /* req_byte is set */
853    #define PCRE_RCH_CASELESS  0x0080  /* caseless requested char */
854    #define PCRE_STARTLINE     0x0100  /* start after \n for multiline */
855    #define PCRE_NOPARTIAL     0x0200  /* can't use partial with this regex */
856    #define PCRE_JCHANGED      0x0400  /* j option used in regex */
857    #define PCRE_HASCRORLF     0x0800  /* explicit \r or \n in pattern */
858    #define PCRE_HASTHEN       0x1000  /* pattern contains (*THEN) */
859    
860  /* Options for the "extra" block produced by pcre_study(). */  /* Flags for the "extra" block produced by pcre_study(). */
861    
862  #define PCRE_STUDY_MAPPED   0x01     /* a map of starting chars exists */  #define PCRE_STUDY_MAPPED  0x0001  /* a map of starting chars exists */
863  #define PCRE_STUDY_MINLEN   0x02     /* a minimum length field exists */  #define PCRE_STUDY_MINLEN  0x0002  /* a minimum length field exists */
864    
865  /* Masks for identifying the public options that are permitted at compile  /* Masks for identifying the public options that are permitted at compile
866  time, run time, or study time, respectively. */  time, run time, or study time, respectively. */
# Line 581  time, run time, or study time, respectiv Line 873  time, run time, or study time, respectiv
873     PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \     PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \
874     PCRE_NO_AUTO_CAPTURE|PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \     PCRE_NO_AUTO_CAPTURE|PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \
875     PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \     PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
876     PCRE_JAVASCRIPT_COMPAT|PCRE_UCP)     PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE)
877    
878  #define PUBLIC_EXEC_OPTIONS \  #define PUBLIC_EXEC_OPTIONS \
879    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
# Line 594  time, run time, or study time, respectiv Line 886  time, run time, or study time, respectiv
886     PCRE_DFA_RESTART|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \     PCRE_DFA_RESTART|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
887     PCRE_NO_START_OPTIMIZE)     PCRE_NO_START_OPTIMIZE)
888    
889  #define PUBLIC_STUDY_OPTIONS 0   /* None defined */  #define PUBLIC_STUDY_OPTIONS \
890       PCRE_STUDY_JIT_COMPILE
891    
892  /* Magic number to provide a small check against being handed junk. Also used  /* Magic number to provide a small check against being handed junk. */
 to detect whether a pattern was compiled on a host of different endianness. */  
893    
894  #define MAGIC_NUMBER  0x50435245UL   /* 'PCRE' */  #define MAGIC_NUMBER  0x50435245UL   /* 'PCRE' */
895    
896    /* This variable is used to detect a loaded regular expression
897    in different endianness. */
898    
899    #define REVERSED_MAGIC_NUMBER  0x45524350UL   /* 'ERCP' */
900    
901  /* Negative values for the firstchar and reqchar variables */  /* Negative values for the firstchar and reqchar variables */
902    
903  #define REQ_UNSET (-2)  #define REQ_UNSET (-2)
# Line 611  req_byte match. */ Line 908  req_byte match. */
908    
909  #define REQ_BYTE_MAX 1000  #define REQ_BYTE_MAX 1000
910    
 /* Flags added to firstbyte or reqbyte; a "non-literal" item is either a  
 variable-length repeat, or a anything other than literal characters. */  
   
 #define REQ_CASELESS 0x0100    /* indicates caselessness */  
 #define REQ_VARY     0x0200    /* reqbyte followed non-literal item */  
   
911  /* Miscellaneous definitions. The #ifndef is to pacify compiler warnings in  /* Miscellaneous definitions. The #ifndef is to pacify compiler warnings in
912  environments where these macros are defined elsewhere. Unfortunately, there  environments where these macros are defined elsewhere. Unfortunately, there
913  is no way to do the same for the typedef. */  is no way to do the same for the typedef. */
# Line 645  for) in a minority area (EBCDIC platform Line 936  for) in a minority area (EBCDIC platform
936  application that did need both could compile two versions of the library, using  application that did need both could compile two versions of the library, using
937  macros to give the functions distinct names. */  macros to give the functions distinct names. */
938    
939  #ifndef SUPPORT_UTF8  #ifndef SUPPORT_UTF
940    
941  /* UTF-8 support is not enabled; use the platform-dependent character literals  /* UTF-8 support is not enabled; use the platform-dependent character literals
942  so that PCRE works on both ASCII and EBCDIC platforms, in non-UTF-mode only. */  so that PCRE works on both ASCII and EBCDIC platforms, in non-UTF-mode only. */
# Line 898  so that PCRE works on both ASCII and EBC Line 1189  so that PCRE works on both ASCII and EBC
1189    
1190  #define STRING_DEFINE               "DEFINE"  #define STRING_DEFINE               "DEFINE"
1191    
1192  #define STRING_CR_RIGHTPAR          "CR)"  #define STRING_CR_RIGHTPAR             "CR)"
1193  #define STRING_LF_RIGHTPAR          "LF)"  #define STRING_LF_RIGHTPAR             "LF)"
1194  #define STRING_CRLF_RIGHTPAR        "CRLF)"  #define STRING_CRLF_RIGHTPAR           "CRLF)"
1195  #define STRING_ANY_RIGHTPAR         "ANY)"  #define STRING_ANY_RIGHTPAR            "ANY)"
1196  #define STRING_ANYCRLF_RIGHTPAR     "ANYCRLF)"  #define STRING_ANYCRLF_RIGHTPAR        "ANYCRLF)"
1197  #define STRING_BSR_ANYCRLF_RIGHTPAR "BSR_ANYCRLF)"  #define STRING_BSR_ANYCRLF_RIGHTPAR    "BSR_ANYCRLF)"
1198  #define STRING_BSR_UNICODE_RIGHTPAR "BSR_UNICODE)"  #define STRING_BSR_UNICODE_RIGHTPAR    "BSR_UNICODE)"
1199  #define STRING_UTF8_RIGHTPAR        "UTF8)"  #ifdef COMPILE_PCRE8
1200  #define STRING_UCP_RIGHTPAR         "UCP)"  #define STRING_UTF_RIGHTPAR            "UTF8)"
1201    #endif
1202    #ifdef COMPILE_PCRE16
1203    #define STRING_UTF_RIGHTPAR            "UTF16)"
1204    #endif
1205    #define STRING_UCP_RIGHTPAR            "UCP)"
1206    #define STRING_NO_START_OPT_RIGHTPAR   "NO_START_OPT)"
1207    
1208  #else  /* SUPPORT_UTF8 */  #else  /* SUPPORT_UTF */
1209    
1210  /* UTF-8 support is enabled; always use UTF-8 (=ASCII) character codes. This  /* UTF-8 support is enabled; always use UTF-8 (=ASCII) character codes. This
1211  works in both modes non-EBCDIC platforms, and on EBCDIC platforms in UTF-8 mode  works in both modes non-EBCDIC platforms, and on EBCDIC platforms in UTF-8 mode
# Line 1152  only. */ Line 1449  only. */
1449    
1450  #define STRING_DEFINE               STR_D STR_E STR_F STR_I STR_N STR_E  #define STRING_DEFINE               STR_D STR_E STR_F STR_I STR_N STR_E
1451    
1452  #define STRING_CR_RIGHTPAR          STR_C STR_R STR_RIGHT_PARENTHESIS  #define STRING_CR_RIGHTPAR             STR_C STR_R STR_RIGHT_PARENTHESIS
1453  #define STRING_LF_RIGHTPAR          STR_L STR_F STR_RIGHT_PARENTHESIS  #define STRING_LF_RIGHTPAR             STR_L STR_F STR_RIGHT_PARENTHESIS
1454  #define STRING_CRLF_RIGHTPAR        STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS  #define STRING_CRLF_RIGHTPAR           STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1455  #define STRING_ANY_RIGHTPAR         STR_A STR_N STR_Y STR_RIGHT_PARENTHESIS  #define STRING_ANY_RIGHTPAR            STR_A STR_N STR_Y STR_RIGHT_PARENTHESIS
1456  #define STRING_ANYCRLF_RIGHTPAR     STR_A STR_N STR_Y STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS  #define STRING_ANYCRLF_RIGHTPAR        STR_A STR_N STR_Y STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS
1457  #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  #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
1458  #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  #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
1459  #define STRING_UTF8_RIGHTPAR        STR_U STR_T STR_F STR_8 STR_RIGHT_PARENTHESIS  #ifdef COMPILE_PCRE8
1460  #define STRING_UCP_RIGHTPAR         STR_U STR_C STR_P STR_RIGHT_PARENTHESIS  #define STRING_UTF_RIGHTPAR            STR_U STR_T STR_F STR_8 STR_RIGHT_PARENTHESIS
1461    #endif
1462    #ifdef COMPILE_PCRE16
1463    #define STRING_UTF_RIGHTPAR            STR_U STR_T STR_F STR_1 STR_6 STR_RIGHT_PARENTHESIS
1464    #endif
1465    #define STRING_UCP_RIGHTPAR            STR_U STR_C STR_P STR_RIGHT_PARENTHESIS
1466    #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
1467    
1468  #endif  /* SUPPORT_UTF8 */  #endif  /* SUPPORT_UTF */
1469    
1470  /* Escape items that are just an encoding of a particular data value. */  /* Escape items that are just an encoding of a particular data value. */
1471    
# Line 1202  only. */ Line 1505  only. */
1505  #define PT_WORD       8    /* Word - L plus N plus underscore */  #define PT_WORD       8    /* Word - L plus N plus underscore */
1506    
1507  /* Flag bits and data types for the extended class (OP_XCLASS) for classes that  /* Flag bits and data types for the extended class (OP_XCLASS) for classes that
1508  contain UTF-8 characters with values greater than 255. */  contain characters with values greater than 255. */
1509    
1510  #define XCL_NOT    0x01    /* Flag: this is a negative class */  #define XCL_NOT    0x01    /* Flag: this is a negative class */
1511  #define XCL_MAP    0x02    /* Flag: a 32-byte map is present */  #define XCL_MAP    0x02    /* Flag: a 32-byte map is present */
# Line 1218  value such as \n. They must have non-zer Line 1521  value such as \n. They must have non-zer
1521  their negation. Also, they must appear in the same order as in the opcode  their negation. Also, they must appear in the same order as in the opcode
1522  definitions below, up to ESC_z. There's a dummy for OP_ALLANY because it  definitions below, up to ESC_z. There's a dummy for OP_ALLANY because it
1523  corresponds to "." in DOTALL mode rather than an escape sequence. It is also  corresponds to "." in DOTALL mode rather than an escape sequence. It is also
1524  used for [^] in JavaScript compatibility mode. In non-DOTALL mode, "." behaves  used for [^] in JavaScript compatibility mode, and for \C in non-utf mode. In
1525  like \N.  non-DOTALL mode, "." behaves like \N.
1526    
1527  The special values ESC_DU, ESC_du, etc. are used instead of ESC_D, ESC_d, etc.  The special values ESC_DU, ESC_du, etc. are used instead of ESC_D, ESC_d, etc.
1528  when PCRE_UCP is set, when replacement of \d etc by \p sequences is required.  when PCRE_UCP is set, when replacement of \d etc by \p sequences is required.
# Line 1263  enum { Line 1566  enum {
1566    OP_WHITESPACE,         /*  9 \s */    OP_WHITESPACE,         /*  9 \s */
1567    OP_NOT_WORDCHAR,       /* 10 \W */    OP_NOT_WORDCHAR,       /* 10 \W */
1568    OP_WORDCHAR,           /* 11 \w */    OP_WORDCHAR,           /* 11 \w */
1569    
1570    OP_ANY,            /* 12 Match any character except newline */    OP_ANY,            /* 12 Match any character except newline */
1571    OP_ALLANY,         /* 13 Match any character */    OP_ALLANY,         /* 13 Match any character */
1572    OP_ANYBYTE,        /* 14 Match any byte (\C); different to OP_ANY for UTF-8 */    OP_ANYBYTE,        /* 14 Match any byte (\C); different to OP_ANY for UTF-8 */
# Line 1277  enum { Line 1581  enum {
1581    OP_EODN,           /* 23 End of data or \n at end of data: \Z. */    OP_EODN,           /* 23 End of data or \n at end of data: \Z. */
1582    OP_EOD,            /* 24 End of data: \z */    OP_EOD,            /* 24 End of data: \z */
1583    
1584    OP_OPT,            /* 25 Set runtime options */    OP_CIRC,           /* 25 Start of line - not multiline */
1585    OP_CIRC,           /* 26 Start of line - varies with multiline switch */    OP_CIRCM,          /* 26 Start of line - multiline */
1586    OP_DOLL,           /* 27 End of line - varies with multiline switch */    OP_DOLL,           /* 27 End of line - not multiline */
1587    OP_CHAR,           /* 28 Match one character, casefully */    OP_DOLLM,          /* 28 End of line - multiline */
1588    OP_CHARNC,         /* 29 Match one character, caselessly */    OP_CHAR,           /* 29 Match one character, casefully */
1589    OP_NOT,            /* 30 Match one character, not the following one */    OP_CHARI,          /* 30 Match one character, caselessly */
1590      OP_NOT,            /* 31 Match one character, not the given one, casefully */
1591    OP_STAR,           /* 31 The maximizing and minimizing versions of */    OP_NOTI,           /* 32 Match one character, not the given one, caselessly */
1592    OP_MINSTAR,        /* 32 these six opcodes must come in pairs, with */  
1593    OP_PLUS,           /* 33 the minimizing one second. */    /* The following sets of 13 opcodes must always be kept in step because
1594    OP_MINPLUS,        /* 34 This first set applies to single characters.*/    the offset from the first one is used to generate the others. */
1595    OP_QUERY,          /* 35 */  
1596    OP_MINQUERY,       /* 36 */    /**** Single characters, caseful, must precede the caseless ones ****/
1597    
1598    OP_UPTO,           /* 37 From 0 to n matches */    OP_STAR,           /* 33 The maximizing and minimizing versions of */
1599    OP_MINUPTO,        /* 38 */    OP_MINSTAR,        /* 34 these six opcodes must come in pairs, with */
1600    OP_EXACT,          /* 39 Exactly n matches */    OP_PLUS,           /* 35 the minimizing one second. */
1601      OP_MINPLUS,        /* 36 */
1602    OP_POSSTAR,        /* 40 Possessified star */    OP_QUERY,          /* 37 */
1603    OP_POSPLUS,        /* 41 Possessified plus */    OP_MINQUERY,       /* 38 */
1604    OP_POSQUERY,       /* 42 Posesssified query */  
1605    OP_POSUPTO,        /* 43 Possessified upto */    OP_UPTO,           /* 39 From 0 to n matches of one character, caseful*/
1606      OP_MINUPTO,        /* 40 */
1607    OP_NOTSTAR,        /* 44 The maximizing and minimizing versions of */    OP_EXACT,          /* 41 Exactly n matches */
1608    OP_NOTMINSTAR,     /* 45 these six opcodes must come in pairs, with */  
1609    OP_NOTPLUS,        /* 46 the minimizing one second. They must be in */    OP_POSSTAR,        /* 42 Possessified star, caseful */
1610    OP_NOTMINPLUS,     /* 47 exactly the same order as those above. */    OP_POSPLUS,        /* 43 Possessified plus, caseful */
1611    OP_NOTQUERY,       /* 48 This set applies to "not" single characters. */    OP_POSQUERY,       /* 44 Posesssified query, caseful */
1612    OP_NOTMINQUERY,    /* 49 */    OP_POSUPTO,        /* 45 Possessified upto, caseful */
1613    
1614    OP_NOTUPTO,        /* 50 From 0 to n matches */    /**** Single characters, caseless, must follow the caseful ones */
1615    OP_NOTMINUPTO,     /* 51 */  
1616    OP_NOTEXACT,       /* 52 Exactly n matches */    OP_STARI,          /* 46 */
1617      OP_MINSTARI,       /* 47 */
1618    OP_NOTPOSSTAR,     /* 53 Possessified versions */    OP_PLUSI,          /* 48 */
1619    OP_NOTPOSPLUS,     /* 54 */    OP_MINPLUSI,       /* 49 */
1620    OP_NOTPOSQUERY,    /* 55 */    OP_QUERYI,         /* 50 */
1621    OP_NOTPOSUPTO,     /* 56 */    OP_MINQUERYI,      /* 51 */
1622    
1623    OP_TYPESTAR,       /* 57 The maximizing and minimizing versions of */    OP_UPTOI,          /* 52 From 0 to n matches of one character, caseless */
1624    OP_TYPEMINSTAR,    /* 58 these six opcodes must come in pairs, with */    OP_MINUPTOI,       /* 53 */
1625    OP_TYPEPLUS,       /* 59 the minimizing one second. These codes must */    OP_EXACTI,         /* 54 */
1626    OP_TYPEMINPLUS,    /* 60 be in exactly the same order as those above. */  
1627    OP_TYPEQUERY,      /* 61 This set applies to character types such as \d */    OP_POSSTARI,       /* 55 Possessified star, caseless */
1628    OP_TYPEMINQUERY,   /* 62 */    OP_POSPLUSI,       /* 56 Possessified plus, caseless */
1629      OP_POSQUERYI,      /* 57 Posesssified query, caseless */
1630    OP_TYPEUPTO,       /* 63 From 0 to n matches */    OP_POSUPTOI,       /* 58 Possessified upto, caseless */
1631    OP_TYPEMINUPTO,    /* 64 */  
1632    OP_TYPEEXACT,      /* 65 Exactly n matches */    /**** The negated ones must follow the non-negated ones, and match them ****/
1633      /**** Negated single character, caseful; must precede the caseless ones ****/
1634    OP_TYPEPOSSTAR,    /* 66 Possessified versions */  
1635    OP_TYPEPOSPLUS,    /* 67 */    OP_NOTSTAR,        /* 59 The maximizing and minimizing versions of */
1636    OP_TYPEPOSQUERY,   /* 68 */    OP_NOTMINSTAR,     /* 60 these six opcodes must come in pairs, with */
1637    OP_TYPEPOSUPTO,    /* 69 */    OP_NOTPLUS,        /* 61 the minimizing one second. They must be in */
1638      OP_NOTMINPLUS,     /* 62 exactly the same order as those above. */
1639    OP_CRSTAR,         /* 70 The maximizing and minimizing versions of */    OP_NOTQUERY,       /* 63 */
1640    OP_CRMINSTAR,      /* 71 all these opcodes must come in pairs, with */    OP_NOTMINQUERY,    /* 64 */
1641    OP_CRPLUS,         /* 72 the minimizing one second. These codes must */  
1642    OP_CRMINPLUS,      /* 73 be in exactly the same order as those above. */    OP_NOTUPTO,        /* 65 From 0 to n matches, caseful */
1643    OP_CRQUERY,        /* 74 These are for character classes and back refs */    OP_NOTMINUPTO,     /* 66 */
1644    OP_CRMINQUERY,     /* 75 */    OP_NOTEXACT,       /* 67 Exactly n matches */
1645    OP_CRRANGE,        /* 76 These are different to the three sets above. */  
1646    OP_CRMINRANGE,     /* 77 */    OP_NOTPOSSTAR,     /* 68 Possessified versions, caseful */
1647      OP_NOTPOSPLUS,     /* 69 */
1648    OP_CLASS,          /* 78 Match a character class, chars < 256 only */    OP_NOTPOSQUERY,    /* 70 */
1649    OP_NCLASS,         /* 79 Same, but the bitmap was created from a negative    OP_NOTPOSUPTO,     /* 71 */
1650                             class - the difference is relevant only when a UTF-8  
1651                             character > 255 is encountered. */    /**** Negated single character, caseless; must follow the caseful ones ****/
1652    
1653    OP_XCLASS,         /* 80 Extended class for handling UTF-8 chars within the    OP_NOTSTARI,       /* 72 */
1654                             class. This does both positive and negative. */    OP_NOTMINSTARI,    /* 73 */
1655      OP_NOTPLUSI,       /* 74 */
1656    OP_REF,            /* 81 Match a back reference */    OP_NOTMINPLUSI,    /* 75 */
1657    OP_RECURSE,        /* 82 Match a numbered subpattern (possibly recursive) */    OP_NOTQUERYI,      /* 76 */
1658    OP_CALLOUT,        /* 83 Call out to external function if provided */    OP_NOTMINQUERYI,   /* 77 */
1659    
1660    OP_ALT,            /* 84 Start of alternation */    OP_NOTUPTOI,       /* 78 From 0 to n matches, caseless */
1661    OP_KET,            /* 85 End of group that doesn't have an unbounded repeat */    OP_NOTMINUPTOI,    /* 79 */
1662    OP_KETRMAX,        /* 86 These two must remain together and in this */    OP_NOTEXACTI,      /* 80 Exactly n matches */
1663    OP_KETRMIN,        /* 87 order. They are for groups the repeat for ever. */  
1664      OP_NOTPOSSTARI,    /* 81 Possessified versions, caseless */
1665    /* The assertions must come before BRA, CBRA, ONCE, and COND.*/    OP_NOTPOSPLUSI,    /* 82 */
1666      OP_NOTPOSQUERYI,   /* 83 */
1667    OP_ASSERT,         /* 88 Positive lookahead */    OP_NOTPOSUPTOI,    /* 84 */
1668    OP_ASSERT_NOT,     /* 89 Negative lookahead */  
1669    OP_ASSERTBACK,     /* 90 Positive lookbehind */    /**** Character types ****/
1670    OP_ASSERTBACK_NOT, /* 91 Negative lookbehind */  
1671    OP_REVERSE,        /* 92 Move pointer back - used in lookbehind assertions */    OP_TYPESTAR,       /* 85 The maximizing and minimizing versions of */
1672      OP_TYPEMINSTAR,    /* 86 these six opcodes must come in pairs, with */
1673    /* ONCE, BRA, CBRA, and COND must come after the assertions, with ONCE first,    OP_TYPEPLUS,       /* 87 the minimizing one second. These codes must */
1674    as there's a test for >= ONCE for a subpattern that isn't an assertion. */    OP_TYPEMINPLUS,    /* 88 be in exactly the same order as those above. */
1675      OP_TYPEQUERY,      /* 89 */
1676    OP_ONCE,           /* 93 Atomic group */    OP_TYPEMINQUERY,   /* 90 */
1677    OP_BRA,            /* 94 Start of non-capturing bracket */  
1678    OP_CBRA,           /* 95 Start of capturing bracket */    OP_TYPEUPTO,       /* 91 From 0 to n matches */
1679    OP_COND,           /* 96 Conditional group */    OP_TYPEMINUPTO,    /* 92 */
1680      OP_TYPEEXACT,      /* 93 Exactly n matches */
1681    
1682      OP_TYPEPOSSTAR,    /* 94 Possessified versions */
1683      OP_TYPEPOSPLUS,    /* 95 */
1684      OP_TYPEPOSQUERY,   /* 96 */
1685      OP_TYPEPOSUPTO,    /* 97 */
1686    
1687      /* These are used for character classes and back references; only the
1688      first six are the same as the sets above. */
1689    
1690      OP_CRSTAR,         /* 98 The maximizing and minimizing versions of */
1691      OP_CRMINSTAR,      /* 99 all these opcodes must come in pairs, with */
1692      OP_CRPLUS,         /* 100 the minimizing one second. These codes must */
1693      OP_CRMINPLUS,      /* 101 be in exactly the same order as those above. */
1694      OP_CRQUERY,        /* 102 */
1695      OP_CRMINQUERY,     /* 103 */
1696    
1697      OP_CRRANGE,        /* 104 These are different to the three sets above. */
1698      OP_CRMINRANGE,     /* 105 */
1699    
1700      /* End of quantifier opcodes */
1701    
1702      OP_CLASS,          /* 106 Match a character class, chars < 256 only */
1703      OP_NCLASS,         /* 107 Same, but the bitmap was created from a negative
1704                                  class - the difference is relevant only when a
1705                                  character > 255 is encountered. */
1706      OP_XCLASS,         /* 108 Extended class for handling > 255 chars within the
1707                                  class. This does both positive and negative. */
1708      OP_REF,            /* 109 Match a back reference, casefully */
1709      OP_REFI,           /* 110 Match a back reference, caselessly */
1710      OP_RECURSE,        /* 111 Match a numbered subpattern (possibly recursive) */
1711      OP_CALLOUT,        /* 112 Call out to external function if provided */
1712    
1713      OP_ALT,            /* 113 Start of alternation */
1714      OP_KET,            /* 114 End of group that doesn't have an unbounded repeat */
1715      OP_KETRMAX,        /* 115 These two must remain together and in this */
1716      OP_KETRMIN,        /* 116 order. They are for groups the repeat for ever. */
1717      OP_KETRPOS,        /* 117 Possessive unlimited repeat. */
1718    
1719      /* The assertions must come before BRA, CBRA, ONCE, and COND, and the four
1720      asserts must remain in order. */
1721    
1722      OP_REVERSE,        /* 118 Move pointer back - used in lookbehind assertions */
1723      OP_ASSERT,         /* 119 Positive lookahead */
1724      OP_ASSERT_NOT,     /* 120 Negative lookahead */
1725      OP_ASSERTBACK,     /* 121 Positive lookbehind */
1726      OP_ASSERTBACK_NOT, /* 122 Negative lookbehind */
1727    
1728      /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately
1729      after the assertions, with ONCE first, as there's a test for >= ONCE for a
1730      subpattern that isn't an assertion. The POS versions must immediately follow
1731      the non-POS versions in each case. */
1732    
1733      OP_ONCE,           /* 123 Atomic group, contains captures */
1734      OP_ONCE_NC,        /* 124 Atomic group containing no captures */
1735      OP_BRA,            /* 125 Start of non-capturing bracket */
1736      OP_BRAPOS,         /* 126 Ditto, with unlimited, possessive repeat */
1737      OP_CBRA,           /* 127 Start of capturing bracket */
1738      OP_CBRAPOS,        /* 128 Ditto, with unlimited, possessive repeat */
1739      OP_COND,           /* 129 Conditional group */
1740    
1741    /* These three must follow the previous three, in the same order. There's a    /* These five must follow the previous five, in the same order. There's a
1742    check for >= SBRA to distinguish the two sets. */    check for >= SBRA to distinguish the two sets. */
1743    
1744    OP_SBRA,           /* 97 Start of non-capturing bracket, check empty  */    OP_SBRA,           /* 130 Start of non-capturing bracket, check empty  */
1745    OP_SCBRA,          /* 98 Start of capturing bracket, check empty */    OP_SBRAPOS,        /* 131 Ditto, with unlimited, possessive repeat */
1746    OP_SCOND,          /* 99 Conditional group, check empty */    OP_SCBRA,          /* 132 Start of capturing bracket, check empty */
1747      OP_SCBRAPOS,       /* 133 Ditto, with unlimited, possessive repeat */
1748      OP_SCOND,          /* 134 Conditional group, check empty */
1749    
1750    /* The next two pairs must (respectively) be kept together. */    /* The next two pairs must (respectively) be kept together. */
1751    
1752    OP_CREF,           /* 100 Used to hold a capture number as condition */    OP_CREF,           /* 135 Used to hold a capture number as condition */
1753    OP_NCREF,          /* 101 Same, but generaged by a name reference*/    OP_NCREF,          /* 136 Same, but generated by a name reference*/
1754    OP_RREF,           /* 102 Used to hold a recursion number as condition */    OP_RREF,           /* 137 Used to hold a recursion number as condition */
1755    OP_NRREF,          /* 103 Same, but generaged by a name reference*/    OP_NRREF,          /* 138 Same, but generated by a name reference*/
1756    OP_DEF,            /* 104 The DEFINE condition */    OP_DEF,            /* 139 The DEFINE condition */
1757    
1758    OP_BRAZERO,        /* 105 These two must remain together and in this */    OP_BRAZERO,        /* 140 These two must remain together and in this */
1759    OP_BRAMINZERO,     /* 106 order. */    OP_BRAMINZERO,     /* 141 order. */
1760      OP_BRAPOSZERO,     /* 142 */
1761    
1762    /* These are backtracking control verbs */    /* These are backtracking control verbs */
1763    
1764    OP_MARK,           /* 107 always has an argument */    OP_MARK,           /* 143 always has an argument */
1765    OP_PRUNE,          /* 108 */    OP_PRUNE,          /* 144 */
1766    OP_PRUNE_ARG,      /* 109 same, but with argument */    OP_PRUNE_ARG,      /* 145 same, but with argument */
1767    OP_SKIP,           /* 110 */    OP_SKIP,           /* 146 */
1768    OP_SKIP_ARG,       /* 111 same, but with argument */    OP_SKIP_ARG,       /* 147 same, but with argument */
1769    OP_THEN,           /* 112 */    OP_THEN,           /* 148 */
1770    OP_THEN_ARG,       /* 113 same, but with argument */    OP_THEN_ARG,       /* 149 same, but with argument */
1771    OP_COMMIT,         /* 114 */    OP_COMMIT,         /* 150 */
1772    
1773    /* These are forced failure and success verbs */    /* These are forced failure and success verbs */
1774    
1775    OP_FAIL,           /* 115 */    OP_FAIL,           /* 151 */
1776    OP_ACCEPT,         /* 116 */    OP_ACCEPT,         /* 152 */
1777    OP_CLOSE,          /* 117 Used before OP_ACCEPT to close open captures */    OP_ASSERT_ACCEPT,  /* 153 Used inside assertions */
1778      OP_CLOSE,          /* 154 Used before OP_ACCEPT to close open captures */
1779    
1780    /* This is used to skip a subpattern with a {0} quantifier */    /* This is used to skip a subpattern with a {0} quantifier */
1781    
1782    OP_SKIPZERO,       /* 118 */    OP_SKIPZERO,       /* 155 */
1783    
1784    /* This is not an opcode, but is used to check that tables indexed by opcode    /* This is not an opcode, but is used to check that tables indexed by opcode
1785    are the correct length, in order to catch updating errors - there have been    are the correct length, in order to catch updating errors - there have been
# Line 1426  called "coptable" and "poptable" in pcre Line 1794  called "coptable" and "poptable" in pcre
1794    
1795    
1796  /* This macro defines textual names for all the opcodes. These are used only  /* This macro defines textual names for all the opcodes. These are used only
1797  for debugging. The macro is referenced only in pcre_printint.c. */  for debugging, and some of them are only partial names. The macro is referenced
1798    only in pcre_printint.c, which fills out the full names in many cases (and in
1799    some cases doesn't actually use these names at all). */
1800    
1801  #define OP_NAME_LIST \  #define OP_NAME_LIST \
1802    "End", "\\A", "\\G", "\\K", "\\B", "\\b", "\\D", "\\d",         \    "End", "\\A", "\\G", "\\K", "\\B", "\\b", "\\D", "\\d",         \
1803    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \
1804    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \
1805    "extuni",  "\\Z", "\\z",                                        \    "extuni",  "\\Z", "\\z",                                        \
1806    "Opt", "^", "$", "char", "charnc", "not",                       \    "^", "^", "$", "$", "char", "chari", "not", "noti",             \
1807    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??",                                \
1808      "{", "{", "{",                                                  \
1809    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
1810    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??",                                \
1811      "{", "{", "{",                                                  \
1812      "*+","++", "?+", "{",                                           \
1813      "*", "*?", "+", "+?", "?", "??",                                \
1814      "{", "{", "{",                                                  \
1815      "*+","++", "?+", "{",                                           \
1816      "*", "*?", "+", "+?", "?", "??",                                \
1817      "{", "{", "{",                                                  \
1818    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
1819    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \
1820    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
1821    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \
1822    "class", "nclass", "xclass", "Ref", "Recurse", "Callout",       \    "class", "nclass", "xclass", "Ref", "Refi",                     \
1823    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",     \    "Recurse", "Callout",                                           \
1824    "AssertB", "AssertB not", "Reverse",                            \    "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos",                  \
1825    "Once", "Bra", "CBra", "Cond", "SBra", "SCBra", "SCond",        \    "Reverse", "Assert", "Assert not", "AssertB", "AssertB not",    \
1826      "Once", "Once_NC",                                              \
1827      "Bra", "BraPos", "CBra", "CBraPos",                             \
1828      "Cond",                                                         \
1829      "SBra", "SBraPos", "SCBra", "SCBraPos",                         \
1830      "SCond",                                                        \
1831    "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def",   \    "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def",   \
1832    "Brazero", "Braminzero",                                        \    "Brazero", "Braminzero", "Braposzero",                          \
1833    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \
1834    "*THEN", "*THEN", "*COMMIT", "*FAIL", "*ACCEPT",                \    "*THEN", "*THEN", "*COMMIT", "*FAIL",                           \
1835      "*ACCEPT", "*ASSERT_ACCEPT",                                    \
1836    "Close", "Skip zero"    "Close", "Skip zero"
1837    
1838    
# Line 1469  in UTF-8 mode. The code that uses this t Line 1853  in UTF-8 mode. The code that uses this t
1853    3, 3,                          /* \P, \p                                 */ \    3, 3,                          /* \P, \p                                 */ \
1854    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \
1855    1,                             /* \X                                     */ \    1,                             /* \X                                     */ \
1856    1, 1, 2, 1, 1,                 /* \Z, \z, Opt, ^, $                      */ \    1, 1, 1, 1, 1, 1,              /* \Z, \z, ^, ^M, $, $M                   */ \
1857    2,                             /* Char  - the minimum length             */ \    2,                             /* Char  - the minimum length             */ \
1858    2,                             /* Charnc  - the minimum length           */ \    2,                             /* Chari  - the minimum length            */ \
1859    2,                             /* not                                    */ \    2,                             /* not                                    */ \
1860    /* Positive single-char repeats                            ** These are  */ \    2,                             /* noti                                   */ \
1861    2, 2, 2, 2, 2, 2,              /* *, *?, +, +?, ?, ??      ** minima in  */ \    /* Positive single-char repeats                             ** These are */ \
1862    4, 4, 4,                       /* upto, minupto, exact     ** UTF-8 mode */ \    2, 2, 2, 2, 2, 2,              /* *, *?, +, +?, ?, ??       ** minima in */ \
1863    2, 2, 2, 4,                    /* *+, ++, ?+, upto+                      */ \    2+IMM2_SIZE, 2+IMM2_SIZE,      /* upto, minupto             ** mode      */ \
1864      2+IMM2_SIZE,                   /* exact                                  */ \
1865      2, 2, 2, 2+IMM2_SIZE,          /* *+, ++, ?+, upto+                      */ \
1866      2, 2, 2, 2, 2, 2,              /* *I, *?I, +I, +?I, ?I, ??I ** UTF-8     */ \
1867      2+IMM2_SIZE, 2+IMM2_SIZE,      /* upto I, minupto I                      */ \
1868      2+IMM2_SIZE,                   /* exact I                                */ \
1869      2, 2, 2, 2+IMM2_SIZE,          /* *+I, ++I, ?+I, upto+I                  */ \
1870    /* Negative single-char repeats - only for chars < 256                   */ \    /* Negative single-char repeats - only for chars < 256                   */ \
1871    2, 2, 2, 2, 2, 2,              /* NOT *, *?, +, +?, ?, ??                */ \    2, 2, 2, 2, 2, 2,              /* NOT *, *?, +, +?, ?, ??                */ \
1872    4, 4, 4,                       /* NOT upto, minupto, exact               */ \    2+IMM2_SIZE, 2+IMM2_SIZE,      /* NOT upto, minupto                      */ \
1873    2, 2, 2, 4,                    /* Possessive *, +, ?, upto               */ \    2+IMM2_SIZE,                   /* NOT exact                              */ \
1874      2, 2, 2, 2+IMM2_SIZE,          /* Possessive NOT *, +, ?, upto           */ \
1875      2, 2, 2, 2, 2, 2,              /* NOT *I, *?I, +I, +?I, ?I, ??I          */ \
1876      2+IMM2_SIZE, 2+IMM2_SIZE,      /* NOT upto I, minupto I                  */ \
1877      2+IMM2_SIZE,                   /* NOT exact I                            */ \
1878      2, 2, 2, 2+IMM2_SIZE,          /* Possessive NOT *I, +I, ?I, upto I      */ \
1879    /* Positive type repeats                                                 */ \    /* Positive type repeats                                                 */ \
1880    2, 2, 2, 2, 2, 2,              /* Type *, *?, +, +?, ?, ??               */ \    2, 2, 2, 2, 2, 2,              /* Type *, *?, +, +?, ?, ??               */ \
1881    4, 4, 4,                       /* Type upto, minupto, exact              */ \    2+IMM2_SIZE, 2+IMM2_SIZE,      /* Type upto, minupto                     */ \
1882    2, 2, 2, 4,                    /* Possessive *+, ++, ?+, upto+           */ \    2+IMM2_SIZE,                   /* Type exact                             */ \
1883      2, 2, 2, 2+IMM2_SIZE,          /* Possessive *+, ++, ?+, upto+           */ \
1884    /* Character class & ref repeats                                         */ \    /* Character class & ref repeats                                         */ \
1885    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \
1886    5, 5,                          /* CRRANGE, CRMINRANGE                    */ \    1+2*IMM2_SIZE, 1+2*IMM2_SIZE,  /* CRRANGE, CRMINRANGE                    */ \
1887   33,                             /* CLASS                                  */ \    1+(32/sizeof(pcre_uchar)),     /* CLASS                                  */ \
1888   33,                             /* NCLASS                                 */ \    1+(32/sizeof(pcre_uchar)),     /* NCLASS                                 */ \
1889    0,                             /* XCLASS - variable length               */ \    0,                             /* XCLASS - variable length               */ \
1890    3,                             /* REF                                    */ \    1+IMM2_SIZE,                   /* REF                                    */ \
1891      1+IMM2_SIZE,                   /* REFI                                   */ \
1892    1+LINK_SIZE,                   /* RECURSE                                */ \    1+LINK_SIZE,                   /* RECURSE                                */ \
1893    2+2*LINK_SIZE,                 /* CALLOUT                                */ \    2+2*LINK_SIZE,                 /* CALLOUT                                */ \
1894    1+LINK_SIZE,                   /* Alt                                    */ \    1+LINK_SIZE,                   /* Alt                                    */ \
1895    1+LINK_SIZE,                   /* Ket                                    */ \    1+LINK_SIZE,                   /* Ket                                    */ \
1896    1+LINK_SIZE,                   /* KetRmax                                */ \    1+LINK_SIZE,                   /* KetRmax                                */ \
1897    1+LINK_SIZE,                   /* KetRmin                                */ \    1+LINK_SIZE,                   /* KetRmin                                */ \
1898      1+LINK_SIZE,                   /* KetRpos                                */ \
1899      1+LINK_SIZE,                   /* Reverse                                */ \
1900    1+LINK_SIZE,                   /* Assert                                 */ \    1+LINK_SIZE,                   /* Assert                                 */ \
1901    1+LINK_SIZE,                   /* Assert not                             */ \    1+LINK_SIZE,                   /* Assert not                             */ \
1902    1+LINK_SIZE,                   /* Assert behind                          */ \    1+LINK_SIZE,                   /* Assert behind                          */ \
1903    1+LINK_SIZE,                   /* Assert behind not                      */ \    1+LINK_SIZE,                   /* Assert behind not                      */ \
   1+LINK_SIZE,                   /* Reverse                                */ \  
1904    1+LINK_SIZE,                   /* ONCE                                   */ \    1+LINK_SIZE,                   /* ONCE                                   */ \
1905      1+LINK_SIZE,                   /* ONCE_NC                                */ \
1906    1+LINK_SIZE,                   /* BRA                                    */ \    1+LINK_SIZE,                   /* BRA                                    */ \
1907    3+LINK_SIZE,                   /* CBRA                                   */ \    1+LINK_SIZE,                   /* BRAPOS                                 */ \
1908      1+LINK_SIZE+IMM2_SIZE,         /* CBRA                                   */ \
1909      1+LINK_SIZE+IMM2_SIZE,         /* CBRAPOS                                */ \
1910    1+LINK_SIZE,                   /* COND                                   */ \    1+LINK_SIZE,                   /* COND                                   */ \
1911    1+LINK_SIZE,                   /* SBRA                                   */ \    1+LINK_SIZE,                   /* SBRA                                   */ \
1912    3+LINK_SIZE,                   /* SCBRA                                  */ \    1+LINK_SIZE,                   /* SBRAPOS                                */ \
1913      1+LINK_SIZE+IMM2_SIZE,         /* SCBRA                                  */ \
1914      1+LINK_SIZE+IMM2_SIZE,         /* SCBRAPOS                               */ \
1915    1+LINK_SIZE,                   /* SCOND                                  */ \    1+LINK_SIZE,                   /* SCOND                                  */ \
1916    3, 3,                          /* CREF, NCREF                            */ \    1+IMM2_SIZE, 1+IMM2_SIZE,      /* CREF, NCREF                            */ \
1917    3, 3,                          /* RREF, NRREF                            */ \    1+IMM2_SIZE, 1+IMM2_SIZE,      /* RREF, NRREF                            */ \
1918    1,                             /* DEF                                    */ \    1,                             /* DEF                                    */ \
1919    1, 1,                          /* BRAZERO, BRAMINZERO                    */ \    1, 1, 1,                       /* BRAZERO, BRAMINZERO, BRAPOSZERO        */ \
1920    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG,                */ \    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \
1921    1, 3, 1, 3,                    /* SKIP, SKIP_ARG, THEN, THEN_ARG,        */ \    1, 3,                          /* SKIP, SKIP_ARG                         */ \
1922    1, 1, 1, 3, 1                  /* COMMIT, FAIL, ACCEPT, CLOSE, SKIPZERO  */    1, 3,                          /* THEN, THEN_ARG                         */ \
1923      1, 1, 1, 1,                    /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT    */ \
1924      1+IMM2_SIZE, 1                 /* CLOSE, SKIPZERO                        */
1925    
1926  /* A magic value for OP_RREF and OP_NRREF to indicate the "any recursion"  /* A magic value for OP_RREF and OP_NRREF to indicate the "any recursion"
1927  condition. */  condition. */
# Line 1534  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4, Line 1938  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4,
1938         ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,         ERR30, ERR31, ERR32, ERR33, ERR34, ERR35, ERR36, ERR37, ERR38, ERR39,
1939         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,
1940         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,
1941         ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERRCOUNT };         ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,
1942           ERR70, ERR71, ERR72, ERR73, ERR74, ERRCOUNT };
1943    
1944  /* The real format of the start of the pcre block; the index of names and the  /* The real format of the start of the pcre block; the index of names and the
1945  code vector run on as long as necessary after the end. We store an explicit  code vector run on as long as necessary after the end. We store an explicit
# Line 1553  fields are present. Currently PCRE alway Line 1958  fields are present. Currently PCRE alway
1958  NOTE NOTE NOTE  NOTE NOTE NOTE
1959  */  */
1960    
1961  typedef struct real_pcre {  #ifdef COMPILE_PCRE8
1962    #define REAL_PCRE real_pcre
1963    #else
1964    #define REAL_PCRE real_pcre16
1965    #endif
1966    
1967    typedef struct REAL_PCRE {
1968    pcre_uint32 magic_number;    pcre_uint32 magic_number;
1969    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
1970    pcre_uint32 options;            /* Public options */    pcre_uint32 options;            /* Public options */
# Line 1561  typedef struct real_pcre { Line 1972  typedef struct real_pcre {
1972    pcre_uint16 dummy1;             /* For future use */    pcre_uint16 dummy1;             /* For future use */
1973    pcre_uint16 top_bracket;    pcre_uint16 top_bracket;
1974    pcre_uint16 top_backref;    pcre_uint16 top_backref;
1975    pcre_uint16 first_byte;    pcre_uint16 first_char;         /* Starting character */
1976    pcre_uint16 req_byte;    pcre_uint16 req_char;           /* This character must be seen */
1977    pcre_uint16 name_table_offset;  /* Offset to name table that follows */    pcre_uint16 name_table_offset;  /* Offset to name table that follows */
1978    pcre_uint16 name_entry_size;    /* Size of any name items */    pcre_uint16 name_entry_size;    /* Size of any name items */
1979    pcre_uint16 name_count;         /* Number of name items */    pcre_uint16 name_count;         /* Number of name items */
1980    pcre_uint16 ref_count;          /* Reference count */    pcre_uint16 ref_count;          /* Reference count */
1981    
1982    const unsigned char *tables;    /* Pointer to tables or NULL for std */    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */
1983    const unsigned char *nullpad;   /* NULL padding */    const pcre_uint8 *nullpad;      /* NULL padding */
1984  } real_pcre;  } REAL_PCRE;
1985    
1986  /* The format of the block used to store data from pcre_study(). The same  /* The format of the block used to store data from pcre_study(). The same
1987  remark (see NOTE above) about extending this structure applies. */  remark (see NOTE above) about extending this structure applies. */
# Line 1578  remark (see NOTE above) about extending Line 1989  remark (see NOTE above) about extending
1989  typedef struct pcre_study_data {  typedef struct pcre_study_data {
1990    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
1991    pcre_uint32 flags;              /* Private flags */    pcre_uint32 flags;              /* Private flags */
1992    uschar start_bits[32];          /* Starting char bits */    pcre_uint8 start_bits[32];      /* Starting char bits */
1993    pcre_uint32 minlength;          /* Minimum subject length */    pcre_uint32 minlength;          /* Minimum subject length */
1994  } pcre_study_data;  } pcre_study_data;
1995    
# Line 1597  typedef struct open_capitem { Line 2008  typedef struct open_capitem {
2008  doing the compiling, so that they are thread-safe. */  doing the compiling, so that they are thread-safe. */
2009    
2010  typedef struct compile_data {  typedef struct compile_data {
2011    const uschar *lcc;            /* Points to lower casing table */    const pcre_uint8 *lcc;            /* Points to lower casing table */
2012    const uschar *fcc;            /* Points to case-flipping table */    const pcre_uint8 *fcc;            /* Points to case-flipping table */
2013    const uschar *cbits;          /* Points to character type table */    const pcre_uint8 *cbits;          /* Points to character type table */
2014    const uschar *ctypes;         /* Points to table of type maps */    const pcre_uint8 *ctypes;         /* Points to table of type maps */
2015    const uschar *start_workspace;/* The start of working space */    const pcre_uchar *start_workspace;/* The start of working space */
2016    const uschar *start_code;     /* The start of the compiled code */    const pcre_uchar *start_code;     /* The start of the compiled code */
2017    const uschar *start_pattern;  /* The start of the pattern */    const pcre_uchar *start_pattern;  /* The start of the pattern */
2018    const uschar *end_pattern;    /* The end of the pattern */    const pcre_uchar *end_pattern;    /* The end of the pattern */
2019    open_capitem *open_caps;      /* Chain of open capture items */    open_capitem *open_caps;          /* Chain of open capture items */
2020    uschar *hwm;                  /* High watermark of workspace */    pcre_uchar *hwm;                  /* High watermark of workspace */
2021    uschar *name_table;           /* The name/number table */    pcre_uchar *name_table;           /* The name/number table */
2022    int  names_found;             /* Number of entries so far */    int  names_found;                 /* Number of entries so far */
2023    int  name_entry_size;         /* Size of each entry */    int  name_entry_size;             /* Size of each entry */
2024    int  bracount;                /* Count of capturing parens as we compile */    int  workspace_size;              /* Size of workspace */
2025    int  final_bracount;          /* Saved value after first pass */    int  bracount;                    /* Count of capturing parens as we compile */
2026    int  top_backref;             /* Maximum back reference */    int  final_bracount;              /* Saved value after first pass */
2027    unsigned int backref_map;     /* Bitmap of low back refs */    int  top_backref;                 /* Maximum back reference */
2028    int  external_options;        /* External (initial) options */    unsigned int backref_map;         /* Bitmap of low back refs */
2029    int  external_flags;          /* External flag bits to be set */    int  assert_depth;                /* Depth of nested assertions */
2030    int  req_varyopt;             /* "After variable item" flag for reqbyte */    int  external_options;            /* External (initial) options */
2031    BOOL had_accept;              /* (*ACCEPT) encountered */    int  external_flags;              /* External flag bits to be set */
2032    BOOL check_lookbehind;        /* Lookbehinds need later checking */    int  req_varyopt;                 /* "After variable item" flag for reqbyte */
2033    int  nltype;                  /* Newline type */    BOOL had_accept;                  /* (*ACCEPT) encountered */
2034    int  nllen;                   /* Newline string length */    BOOL check_lookbehind;            /* Lookbehinds need later checking */
2035    uschar nl[4];                 /* Newline string when fixed length */    int  nltype;                      /* Newline type */
2036      int  nllen;                       /* Newline string length */
2037      pcre_uchar nl[4];                 /* Newline string when fixed length */
2038  } compile_data;  } compile_data;
2039    
2040  /* Structure for maintaining a chain of pointers to the currently incomplete  /* Structure for maintaining a chain of pointers to the currently incomplete
2041  branches, for testing for left recursion. */  branches, for testing for left recursion while compiling. */
2042    
2043  typedef struct branch_chain {  typedef struct branch_chain {
2044    struct branch_chain *outer;    struct branch_chain *outer;
2045    uschar *current_branch;    pcre_uchar *current_branch;
2046  } branch_chain;  } branch_chain;
2047    
2048  /* Structure for items in a linked list that represents an explicit recursive  /* Structure for items in a linked list that represents an explicit recursive
2049  call within the pattern. */  call within the pattern; used by pcre_exec(). */
2050    
2051  typedef struct recursion_info {  typedef struct recursion_info {
2052    struct recursion_info *prevrec; /* Previous recursion record (or NULL) */    struct recursion_info *prevrec; /* Previous recursion record (or NULL) */
2053    int group_num;                /* Number of group that was called */    int group_num;                  /* Number of group that was called */
2054    const uschar *after_call;     /* "Return value": points after the call in the expr */    int *offset_save;               /* Pointer to start of saved offsets */
2055    int *offset_save;             /* Pointer to start of saved offsets */    int saved_max;                  /* Number of saved offsets */
2056    int saved_max;                /* Number of saved offsets */    PCRE_PUCHAR subject_position;   /* Position at start of recursion */
   int save_offset_top;          /* Current value of offset_top */  
2057  } recursion_info;  } recursion_info;
2058    
2059    /* A similar structure for pcre_dfa_exec(). */
2060    
2061    typedef struct dfa_recursion_info {
2062      struct dfa_recursion_info *prevrec;
2063      int group_num;
2064      PCRE_PUCHAR subject_position;
2065    } dfa_recursion_info;
2066    
2067  /* Structure for building a chain of data for holding the values of the subject  /* Structure for building a chain of data for holding the values of the subject
2068  pointer at the start of each subpattern, so as to detect when an empty string  pointer at the start of each subpattern, so as to detect when an empty string
2069  has been matched by a subpattern - to break infinite loops. */  has been matched by a subpattern - to break infinite loops; used by
2070    pcre_exec(). */
2071    
2072  typedef struct eptrblock {  typedef struct eptrblock {
2073    struct eptrblock *epb_prev;    struct eptrblock *epb_prev;
2074    USPTR epb_saved_eptr;    PCRE_PUCHAR epb_saved_eptr;
2075  } eptrblock;  } eptrblock;
2076    
2077    
# Line 1661  typedef struct match_data { Line 2082  typedef struct match_data {
2082    unsigned long int match_call_count;      /* As it says */    unsigned long int match_call_count;      /* As it says */
2083    unsigned long int match_limit;           /* As it says */    unsigned long int match_limit;           /* As it says */
2084    unsigned long int match_limit_recursion; /* As it says */    unsigned long int match_limit_recursion; /* As it says */
2085    int   *offset_vector;         /* Offset vector */    int   *offset_vector;           /* Offset vector */
2086    int    offset_end;            /* One past the end */    int    offset_end;              /* One past the end */
2087    int    offset_max;            /* The maximum usable for return data */    int    offset_max;              /* The maximum usable for return data */
2088    int    nltype;                /* Newline type */    int    nltype;                  /* Newline type */
2089    int    nllen;                 /* Newline string length */    int    nllen;                   /* Newline string length */
2090    int    name_count;            /* Number of names in name table */    int    name_count;              /* Number of names in name table */
2091    int    name_entry_size;       /* Size of entry in names table */    int    name_entry_size;         /* Size of entry in names table */
2092    uschar *name_table;           /* Table of names */    pcre_uchar *name_table;         /* Table of names */
2093    uschar nl[4];                 /* Newline string when fixed */    pcre_uchar nl[4];               /* Newline string when fixed */
2094    const uschar *lcc;            /* Points to lower casing table */    const  pcre_uint8 *lcc;         /* Points to lower casing table */
2095    const uschar *ctypes;         /* Points to table of type maps */    const  pcre_uint8 *fcc;         /* Points to case-flipping table */
2096    BOOL   offset_overflow;       /* Set if too many extractions */    const  pcre_uint8 *ctypes;      /* Points to table of type maps */
2097    BOOL   notbol;                /* NOTBOL flag */    BOOL   offset_overflow;         /* Set if too many extractions */
2098    BOOL   noteol;                /* NOTEOL flag */    BOOL   notbol;                  /* NOTBOL flag */
2099    BOOL   utf8;                  /* UTF8 flag */    BOOL   noteol;                  /* NOTEOL flag */
2100    BOOL   jscript_compat;        /* JAVASCRIPT_COMPAT flag */    BOOL   utf;                     /* UTF-8 / UTF-16 flag */
2101    BOOL   use_ucp;               /* PCRE_UCP flag */    BOOL   jscript_compat;          /* JAVASCRIPT_COMPAT flag */
2102    BOOL   endonly;               /* Dollar not before final \n */    BOOL   use_ucp;                 /* PCRE_UCP flag */
2103    BOOL   notempty;              /* Empty string match not wanted */    BOOL   endonly;                 /* Dollar not before final \n */
2104    BOOL   notempty_atstart;      /* Empty string match at start not wanted */    BOOL   notempty;                /* Empty string match not wanted */
2105    BOOL   hitend;                /* Hit the end of the subject at some point */    BOOL   notempty_atstart;        /* Empty string match at start not wanted */
2106    BOOL   bsr_anycrlf;           /* \R is just any CRLF, not full Unicode */    BOOL   hitend;                  /* Hit the end of the subject at some point */
2107    const uschar *start_code;     /* For use when recursing */    BOOL   bsr_anycrlf;             /* \R is just any CRLF, not full Unicode */
2108    USPTR  start_subject;         /* Start of the subject string */    BOOL   hasthen;                 /* Pattern contains (*THEN) */
2109    USPTR  end_subject;           /* End of the subject string */    BOOL   ignore_skip_arg;         /* For re-run when SKIP name not found */
2110    USPTR  start_match_ptr;       /* Start of matched string */    const  pcre_uchar *start_code;  /* For use when recursing */
2111    USPTR  end_match_ptr;         /* Subject position at end match */    PCRE_PUCHAR start_subject;      /* Start of the subject string */
2112    USPTR  start_used_ptr;        /* Earliest consulted character */    PCRE_PUCHAR end_subject;        /* End of the subject string */
2113    int    partial;               /* PARTIAL options */    PCRE_PUCHAR start_match_ptr;    /* Start of matched string */
2114    int    end_offset_top;        /* Highwater mark at end of match */    PCRE_PUCHAR end_match_ptr;      /* Subject position at end match */
2115    int    capture_last;          /* Most recent capture number */    PCRE_PUCHAR start_used_ptr;     /* Earliest consulted character */
2116    int    start_offset;          /* The start offset value */    int    partial;                 /* PARTIAL options */
2117    eptrblock *eptrchain;         /* Chain of eptrblocks for tail recursions */    int    end_offset_top;          /* Highwater mark at end of match */
2118    int    eptrn;                 /* Next free eptrblock */    int    capture_last;            /* Most recent capture number */
2119    recursion_info *recursive;    /* Linked list of recursion data */    int    start_offset;            /* The start offset value */
2120    void  *callout_data;          /* To pass back to callouts */    int    match_function_type;     /* Set for certain special calls of MATCH() */
2121    const uschar *mark;           /* Mark pointer to pass back */    eptrblock *eptrchain;           /* Chain of eptrblocks for tail recursions */
2122      int    eptrn;                   /* Next free eptrblock */
2123      recursion_info *recursive;      /* Linked list of recursion data */
2124      void  *callout_data;            /* To pass back to callouts */
2125      const  pcre_uchar *mark;        /* Mark pointer to pass back on success */
2126      const  pcre_uchar *nomatch_mark;/* Mark pointer to pass back on failure */
2127      const  pcre_uchar *once_target; /* Where to back up to for atomic groups */
2128  } match_data;  } match_data;
2129    
2130  /* A similar structure is used for the same purpose by the DFA matching  /* A similar structure is used for the same purpose by the DFA matching
2131  functions. */  functions. */
2132    
2133  typedef struct dfa_match_data {  typedef struct dfa_match_data {
2134    const uschar *start_code;     /* Start of the compiled pattern */    const pcre_uchar *start_code;     /* Start of the compiled pattern */
2135    const uschar *start_subject;  /* Start of the subject string */    const pcre_uchar *start_subject ; /* Start of the subject string */
2136    const uschar *end_subject;    /* End of subject string */    const pcre_uchar *end_subject;    /* End of subject string */
2137    const uschar *start_used_ptr; /* Earliest consulted character */    const pcre_uchar *start_used_ptr; /* Earliest consulted character */
2138    const uschar *tables;         /* Character tables */    const pcre_uint8 *tables;         /* Character tables */
2139    int   start_offset;           /* The start offset value */    int   start_offset;               /* The start offset value */
2140    int   moptions;               /* Match options */    int   moptions;                   /* Match options */
2141    int   poptions;               /* Pattern options */    int   poptions;                   /* Pattern options */
2142    int    nltype;                /* Newline type */    int   nltype;                     /* Newline type */
2143    int    nllen;                 /* Newline string length */    int   nllen;                      /* Newline string length */
2144    uschar nl[4];                 /* Newline string when fixed */    pcre_uchar nl[4];                 /* Newline string when fixed */
2145    void  *callout_data;          /* To pass back to callouts */    void *callout_data;               /* To pass back to callouts */
2146      dfa_recursion_info *recursive;    /* Linked list of recursion data */
2147  } dfa_match_data;  } dfa_match_data;
2148    
2149  /* Bit definitions for entries in the pcre_ctypes table. */  /* Bit definitions for entries in the pcre_ctypes table. */
# Line 1751  total length. */ Line 2179  total length. */
2179  #define ctypes_offset (cbits_offset + cbit_length)  #define ctypes_offset (cbits_offset + cbit_length)
2180  #define tables_length (ctypes_offset + 256)  #define tables_length (ctypes_offset + 256)
2181    
2182    /* Internal function prefix */
2183    
2184    #ifdef COMPILE_PCRE8
2185    #define PUBL(name) pcre_##name
2186    #define PRIV(name) _pcre_##name
2187    #else
2188    #ifdef COMPILE_PCRE16
2189    #define PUBL(name) pcre16_##name
2190    #define PRIV(name) _pcre16_##name
2191    #else
2192    #error Unsupported compiling mode
2193    #endif /* COMPILE_PCRE16 */
2194    #endif /* COMPILE_PCRE8 */
2195    
2196  /* Layout of the UCP type table that translates property names into types and  /* Layout of the UCP type table that translates property names into types and
2197  codes. Each entry used to point directly to a name, but to reduce the number of  codes. Each entry used to point directly to a name, but to reduce the number of
2198  relocations in shared libraries, it now has an offset into a single string  relocations in shared libraries, it now has an offset into a single string
# Line 1768  of the exported public functions. They h Line 2210  of the exported public functions. They h
2210  but are not part of the PCRE public API. The data for these tables is in the  but are not part of the PCRE public API. The data for these tables is in the
2211  pcre_tables.c module. */  pcre_tables.c module. */
2212    
2213  extern const int    _pcre_utf8_table1[];  #ifdef COMPILE_PCRE8
2214  extern const int    _pcre_utf8_table2[];  
2215  extern const int    _pcre_utf8_table3[];  extern const int            PRIV(utf8_table1)[];
2216  extern const uschar _pcre_utf8_table4[];  extern const int            PRIV(utf8_table1_size);
2217    extern const int            PRIV(utf8_table2)[];
2218    extern const int            PRIV(utf8_table3)[];
2219    extern const pcre_uint8     PRIV(utf8_table4)[];
2220    
2221  extern const int    _pcre_utf8_table1_size;  #endif /* COMPILE_PCRE8 */
2222    
2223  extern const char   _pcre_utt_names[];  extern const char           PRIV(utt_names)[];
2224  extern const ucp_type_table _pcre_utt[];  extern const ucp_type_table PRIV(utt)[];
2225  extern const int _pcre_utt_size;  extern const int            PRIV(utt_size);
2226    
2227  extern const uschar _pcre_default_tables[];  extern const pcre_uint8     PRIV(default_tables)[];
2228    
2229  extern const uschar _pcre_OP_lengths[];  extern const pcre_uint8     PRIV(OP_lengths)[];
2230    
2231    
2232  /* Internal shared functions. These are functions that are used by more than  /* Internal shared functions. These are functions that are used by more than
2233  one of the exported public functions. They have to be "external" in the C  one of the exported public functions. They have to be "external" in the C
2234  sense, but are not part of the PCRE public API. */  sense, but are not part of the PCRE public API. */
2235    
2236  extern const uschar *_pcre_find_bracket(const uschar *, BOOL, int);  /* String comparison functions. */
2237  extern BOOL          _pcre_is_newline(USPTR, int, USPTR, int *, BOOL);  #ifdef COMPILE_PCRE8
2238  extern int           _pcre_ord2utf8(int, uschar *);  
2239  extern real_pcre    *_pcre_try_flipped(const real_pcre *, real_pcre *,  #define STRCMP_UC_UC(str1, str2) \
2240                         const pcre_study_data *, pcre_study_data *);    strcmp((char *)(str1), (char *)(str2))
2241  extern int           _pcre_valid_utf8(USPTR, int);  #define STRCMP_UC_C8(str1, str2) \
2242  extern BOOL          _pcre_was_newline(USPTR, int, USPTR, int *, BOOL);    strcmp((char *)(str1), (str2))
2243  extern BOOL          _pcre_xclass(int, const uschar *);  #define STRNCMP_UC_UC(str1, str2, num) \
2244      strncmp((char *)(str1), (char *)(str2), (num))
2245    #define STRNCMP_UC_C8(str1, str2, num) \
2246      strncmp((char *)(str1), (str2), (num))
2247    #define STRLEN_UC(str) strlen((const char *)str)
2248    
2249    #else
2250    
2251    extern int               PRIV(strcmp_uc_uc)(const pcre_uchar *,
2252                               const pcre_uchar *);
2253    extern int               PRIV(strcmp_uc_c8)(const pcre_uchar *,
2254                               const char *);
2255    extern int               PRIV(strncmp_uc_uc)(const pcre_uchar *,
2256                               const pcre_uchar *, unsigned int num);
2257    extern int               PRIV(strncmp_uc_c8)(const pcre_uchar *,
2258                               const char *, unsigned int num);
2259    extern unsigned int      PRIV(strlen_uc)(const pcre_uchar *str);
2260    
2261    #define STRCMP_UC_UC(str1, str2) \
2262      PRIV(strcmp_uc_uc)((str1), (str2))
2263    #define STRCMP_UC_C8(str1, str2) \
2264      PRIV(strcmp_uc_c8)((str1), (str2))
2265    #define STRNCMP_UC_UC(str1, str2, num) \
2266      PRIV(strncmp_uc_uc)((str1), (str2), (num))
2267    #define STRNCMP_UC_C8(str1, str2, num) \
2268      PRIV(strncmp_uc_c8)((str1), (str2), (num))
2269    #define STRLEN_UC(str) PRIV(strlen_uc)(str)
2270    
2271    #endif /* COMPILE_PCRE8 */
2272    
2273    extern const pcre_uchar *PRIV(find_bracket)(const pcre_uchar *, BOOL, int);
2274    extern BOOL              PRIV(is_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
2275                               int *, BOOL);
2276    extern int               PRIV(ord2utf)(pcre_uint32, pcre_uchar *);
2277    extern int               PRIV(valid_utf)(PCRE_PUCHAR, int, int *);
2278    extern BOOL              PRIV(was_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
2279                               int *, BOOL);
2280    extern BOOL              PRIV(xclass)(int, const pcre_uchar *, BOOL);
2281    
2282    #ifdef SUPPORT_JIT
2283    extern void              PRIV(jit_compile)(const REAL_PCRE *, PUBL(extra) *);
2284    extern int               PRIV(jit_exec)(const REAL_PCRE *, void *,
2285                               const pcre_uchar *, int, int, int, int, int *, int);
2286    extern void              PRIV(jit_free)(void *);
2287    extern int               PRIV(jit_get_size)(void *);
2288    #endif
2289    
2290  /* Unicode character database (UCD) */  /* Unicode character database (UCD) */
2291    
2292  typedef struct {  typedef struct {
2293    uschar script;    pcre_uint8 script;
2294    uschar chartype;    pcre_uint8 chartype;
2295    pcre_int32 other_case;    pcre_int32 other_case;
2296  } ucd_record;  } ucd_record;
2297    
2298  extern const ucd_record  _pcre_ucd_records[];  extern const ucd_record  PRIV(ucd_records)[];
2299  extern const uschar      _pcre_ucd_stage1[];  extern const pcre_uint8  PRIV(ucd_stage1)[];
2300  extern const pcre_uint16 _pcre_ucd_stage2[];  extern const pcre_uint16 PRIV(ucd_stage2)[];
2301  extern const int         _pcre_ucp_gentype[];  extern const int         PRIV(ucp_gentype)[];
2302    #ifdef SUPPORT_JIT
2303    extern const int         PRIV(ucp_typerange)[];
2304    #endif
2305    
2306    #ifdef SUPPORT_UCP
2307  /* UCD access macros */  /* UCD access macros */
2308    
2309  #define UCD_BLOCK_SIZE 128  #define UCD_BLOCK_SIZE 128
2310  #define GET_UCD(ch) (_pcre_ucd_records + \  #define GET_UCD(ch) (PRIV(ucd_records) + \
2311          _pcre_ucd_stage2[_pcre_ucd_stage1[(ch) / UCD_BLOCK_SIZE] * \          PRIV(ucd_stage2)[PRIV(ucd_stage1)[(ch) / UCD_BLOCK_SIZE] * \
2312          UCD_BLOCK_SIZE + ch % UCD_BLOCK_SIZE])          UCD_BLOCK_SIZE + (ch) % UCD_BLOCK_SIZE])
2313    
2314  #define UCD_CHARTYPE(ch)  GET_UCD(ch)->chartype  #define UCD_CHARTYPE(ch)  GET_UCD(ch)->chartype
2315  #define UCD_SCRIPT(ch)    GET_UCD(ch)->script  #define UCD_SCRIPT(ch)    GET_UCD(ch)->script
2316  #define UCD_CATEGORY(ch)  _pcre_ucp_gentype[UCD_CHARTYPE(ch)]  #define UCD_CATEGORY(ch)  PRIV(ucp_gentype)[UCD_CHARTYPE(ch)]
2317  #define UCD_OTHERCASE(ch) (ch + GET_UCD(ch)->other_case)  #define UCD_OTHERCASE(ch) (ch + GET_UCD(ch)->other_case)
2318    
2319    #endif /* SUPPORT_UCP */
2320    
2321  #endif  #endif
2322    
2323  /* End of pcre_internal.h */  /* End of pcre_internal.h */

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