/[pcre]/code/trunk/pcre_internal.h
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revision 850 by zherczeg, Wed Jan 4 17:29:11 2012 UTC revision 1481 by ph10, Tue May 27 18:24:42 2014 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) 1997-2012 University of Cambridge             Copyright (c) 1997-2014 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_" or "_pcre16_" depending on  functions whose names all begin with "_pcre_", "_pcre16_" or "_pcre32_"
44  the PRIV macro. */  depending on the PRIV macro. */
45    
46  #ifndef PCRE_INTERNAL_H  #ifndef PCRE_INTERNAL_H
47  #define PCRE_INTERNAL_H  #define PCRE_INTERNAL_H
# Line 53  the PRIV macro. */ Line 53  the PRIV macro. */
53  #endif  #endif
54    
55  /* PCRE is compiled as an 8 bit library if it is not requested otherwise. */  /* PCRE is compiled as an 8 bit library if it is not requested otherwise. */
56  #ifndef COMPILE_PCRE16  
57    #if !defined COMPILE_PCRE16 && !defined COMPILE_PCRE32
58  #define COMPILE_PCRE8  #define COMPILE_PCRE8
59  #endif  #endif
60    
# Line 78  Until then we define it if SUPPORT_UTF i Line 79  Until then we define it if SUPPORT_UTF i
79  #define SUPPORT_UTF8 1  #define SUPPORT_UTF8 1
80  #endif  #endif
81    
82  /* We do not support both EBCDIC and UTF-8/16 at the same time. The "configure"  /* We do not support both EBCDIC and UTF-8/16/32 at the same time. The "configure"
83  script prevents both being selected, but not everybody uses "configure". */  script prevents both being selected, but not everybody uses "configure". */
84    
85  #if defined EBCDIC && defined SUPPORT_UTF  #if defined EBCDIC && defined SUPPORT_UTF
86  #error The use of both EBCDIC and SUPPORT_UTF8/16 is not supported.  #error The use of both EBCDIC and SUPPORT_UTF is not supported.
87  #endif  #endif
88    
89  /* 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
# Line 111  setjmp and stdarg are used is when NO_RE Line 112  setjmp and stdarg are used is when NO_RE
112  #include <stdlib.h>  #include <stdlib.h>
113  #include <string.h>  #include <string.h>
114    
115    /* Valgrind (memcheck) support */
116    
117    #ifdef SUPPORT_VALGRIND
118    #include <valgrind/memcheck.h>
119    #endif
120    
121  /* When compiling a DLL for Windows, the exported symbols have to be declared  /* When compiling a DLL for Windows, the exported symbols have to be declared
122  using some MS magic. I found some useful information on this web page:  using some MS magic. I found some useful information on this web page:
123  http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the  http://msdn2.microsoft.com/en-us/library/y4h7bcy6(VS.80).aspx. According to the
# Line 187  preprocessor time in standard C environm Line 194  preprocessor time in standard C environm
194  typedef unsigned char pcre_uint8;  typedef unsigned char pcre_uint8;
195    
196  #if USHRT_MAX == 65535  #if USHRT_MAX == 65535
197    typedef unsigned short pcre_uint16;  typedef unsigned short pcre_uint16;
198    typedef short pcre_int16;  typedef short pcre_int16;
199    #define PCRE_UINT16_MAX USHRT_MAX
200    #define PCRE_INT16_MAX SHRT_MAX
201  #elif UINT_MAX == 65535  #elif UINT_MAX == 65535
202    typedef unsigned int pcre_uint16;  typedef unsigned int pcre_uint16;
203    typedef int pcre_int16;  typedef int pcre_int16;
204    #define PCRE_UINT16_MAX UINT_MAX
205    #define PCRE_INT16_MAX INT_MAX
206  #else  #else
207    #error Cannot determine a type for 16-bit unsigned integers  #error Cannot determine a type for 16-bit integers
208  #endif  #endif
209    
210  #if UINT_MAX == 4294967295  #if UINT_MAX == 4294967295U
211    typedef unsigned int pcre_uint32;  typedef unsigned int pcre_uint32;
212    typedef int pcre_int32;  typedef int pcre_int32;
213  #elif ULONG_MAX == 4294967295  #define PCRE_UINT32_MAX UINT_MAX
214    typedef unsigned long int pcre_uint32;  #define PCRE_INT32_MAX INT_MAX
215    typedef long int pcre_int32;  #elif ULONG_MAX == 4294967295UL
216    typedef unsigned long int pcre_uint32;
217    typedef long int pcre_int32;
218    #define PCRE_UINT32_MAX ULONG_MAX
219    #define PCRE_INT32_MAX LONG_MAX
220  #else  #else
221    #error Cannot determine a type for 32-bit unsigned integers  #error Cannot determine a type for 32-bit integers
222  #endif  #endif
223    
224  /* When checking for integer overflow in pcre_compile(), we need to handle  /* When checking for integer overflow in pcre_compile(), we need to handle
# Line 214  stdint.h is available, include it; it ma Line 229  stdint.h is available, include it; it ma
229  have stdint.h (e.g. Solaris) may have inttypes.h. The macro int64_t may be set  have stdint.h (e.g. Solaris) may have inttypes.h. The macro int64_t may be set
230  by "configure". */  by "configure". */
231    
232  #if HAVE_STDINT_H  #if defined HAVE_STDINT_H
233  #include <stdint.h>  #include <stdint.h>
234  #elif HAVE_INTTYPES_H  #elif defined HAVE_INTTYPES_H
235  #include <inttypes.h>  #include <inttypes.h>
236  #endif  #endif
237    
# Line 243  exactly 256 items. When the character is Line 258  exactly 256 items. When the character is
258  items, some check is needed before accessing these tables.  items, some check is needed before accessing these tables.
259  */  */
260    
261  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
262    
263  typedef unsigned char pcre_uchar;  typedef unsigned char pcre_uchar;
264  #define IN_UCHARS(x) (x)  #define IN_UCHARS(x) (x)
265  #define MAX_255(c) 1  #define MAX_255(c) 1
266  #define TABLE_GET(c, table, default) ((table)[c])  #define TABLE_GET(c, table, default) ((table)[c])
267    
268  #else  #elif defined COMPILE_PCRE16
269    
 #ifdef COMPILE_PCRE16  
270  #if USHRT_MAX != 65535  #if USHRT_MAX != 65535
271  /* This is a warning message. Change PCRE_SCHAR16 to a 16 bit data type in  /* This is a warning message. Change PCRE_UCHAR16 to a 16 bit data type in
272  pcre.h(.in) and disable (comment out) this message. */  pcre.h(.in) and disable (comment out) this message. */
273  #error Warning: PCRE_SCHAR16 is not a 16 bit data type.  #error Warning: PCRE_UCHAR16 is not a 16 bit data type.
274  #endif  #endif
275    
276  typedef pcre_uint16 pcre_uchar;  typedef pcre_uint16 pcre_uchar;
277  #define IN_UCHARS(x) ((x) << 1)  #define UCHAR_SHIFT (1)
278    #define IN_UCHARS(x) ((x) << UCHAR_SHIFT)
279    #define MAX_255(c) ((c) <= 255u)
280    #define TABLE_GET(c, table, default) (MAX_255(c)? ((table)[c]):(default))
281    
282    #elif defined COMPILE_PCRE32
283    
284    typedef pcre_uint32 pcre_uchar;
285    #define UCHAR_SHIFT (2)
286    #define IN_UCHARS(x) ((x) << UCHAR_SHIFT)
287  #define MAX_255(c) ((c) <= 255u)  #define MAX_255(c) ((c) <= 255u)
288  #define TABLE_GET(c, table, default) (MAX_255(c)? ((table)[c]):(default))  #define TABLE_GET(c, table, default) (MAX_255(c)? ((table)[c]):(default))
289    
290  #else  #else
291  #error Unsupported compiling mode  #error Unsupported compiling mode
292  #endif /* COMPILE_PCRE16 */  #endif /* COMPILE_PCRE[8|16|32] */
   
 #endif /* COMPILE_PCRE8 */  
293    
294  /* 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
295  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 295  start/end of string field names are. */ Line 316  start/end of string field names are. */
316         &(NLBLOCK->nllen), utf)) \         &(NLBLOCK->nllen), utf)) \
317      : \      : \
318      ((p) <= NLBLOCK->PSEND - NLBLOCK->nllen && \      ((p) <= NLBLOCK->PSEND - NLBLOCK->nllen && \
319       (p)[0] == NLBLOCK->nl[0] && \       UCHAR21TEST(p) == NLBLOCK->nl[0] && \
320       (NLBLOCK->nllen == 1 || (p)[1] == NLBLOCK->nl[1]) \       (NLBLOCK->nllen == 1 || UCHAR21TEST(p+1) == NLBLOCK->nl[1])       \
321      ) \      ) \
322    )    )
323    
# Line 309  start/end of string field names are. */ Line 330  start/end of string field names are. */
330         &(NLBLOCK->nllen), utf)) \         &(NLBLOCK->nllen), utf)) \
331      : \      : \
332      ((p) >= NLBLOCK->PSSTART + NLBLOCK->nllen && \      ((p) >= NLBLOCK->PSSTART + NLBLOCK->nllen && \
333       (p)[-NLBLOCK->nllen] == NLBLOCK->nl[0] && \       UCHAR21TEST(p - NLBLOCK->nllen) == NLBLOCK->nl[0] &&              \
334       (NLBLOCK->nllen == 1 || (p)[-NLBLOCK->nllen+1] == NLBLOCK->nl[1]) \       (NLBLOCK->nllen == 1 || UCHAR21TEST(p - NLBLOCK->nllen + 1) == NLBLOCK->nl[1]) \
335      ) \      ) \
336    )    )
337    
# Line 335  values. */ Line 356  values. */
356  #include "pcre.h"  #include "pcre.h"
357  #include "ucp.h"  #include "ucp.h"
358    
359    #ifdef COMPILE_PCRE32
360    /* Assert that the public PCRE_UCHAR32 is a 32-bit type */
361    typedef int __assert_pcre_uchar32_size[sizeof(PCRE_UCHAR32) == 4 ? 1 : -1];
362    #endif
363    
364  /* When compiling for use with the Virtual Pascal compiler, these functions  /* When compiling for use with the Virtual Pascal compiler, these functions
365  need to have their names changed. PCRE must be compiled with the -DVPCOMPAT  need to have their names changed. PCRE must be compiled with the -DVPCOMPAT
366  option on the command line. */  option on the command line. */
# Line 396  The macros are controlled by the value o Line 422  The macros are controlled by the value o
422  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
423  is automated on Unix systems via the "configure" command. */  is automated on Unix systems via the "configure" command. */
424    
425  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
426    
427  #if LINK_SIZE == 2  #if LINK_SIZE == 2
428    
# Line 441  is automated on Unix systems via the "co Line 467  is automated on Unix systems via the "co
467  #error LINK_SIZE must be either 2, 3, or 4  #error LINK_SIZE must be either 2, 3, or 4
468  #endif  #endif
469    
470  #else /* COMPILE_PCRE8 */  #elif defined COMPILE_PCRE16
   
 #ifdef COMPILE_PCRE16  
471    
472  #if LINK_SIZE == 2  #if LINK_SIZE == 2
473    
474    /* Redefine LINK_SIZE as a multiple of sizeof(pcre_uchar) */
475  #undef LINK_SIZE  #undef LINK_SIZE
476  #define LINK_SIZE 1  #define LINK_SIZE 1
477    
# Line 460  is automated on Unix systems via the "co Line 485  is automated on Unix systems via the "co
485    
486  #elif LINK_SIZE == 3 || LINK_SIZE == 4  #elif LINK_SIZE == 3 || LINK_SIZE == 4
487    
488    /* Redefine LINK_SIZE as a multiple of sizeof(pcre_uchar) */
489  #undef LINK_SIZE  #undef LINK_SIZE
490  #define LINK_SIZE 2  #define LINK_SIZE 2
491    
# Line 477  is automated on Unix systems via the "co Line 503  is automated on Unix systems via the "co
503  #error LINK_SIZE must be either 2, 3, or 4  #error LINK_SIZE must be either 2, 3, or 4
504  #endif  #endif
505    
506    #elif defined COMPILE_PCRE32
507    
508    /* Only supported LINK_SIZE is 4 */
509    /* Redefine LINK_SIZE as a multiple of sizeof(pcre_uchar) */
510    #undef LINK_SIZE
511    #define LINK_SIZE 1
512    
513    #define PUT(a,n,d)   \
514      (a[n] = (d))
515    
516    #define GET(a,n) \
517      (a[n])
518    
519    /* Keep it positive */
520    #define MAX_PATTERN_SIZE (1 << 30)
521    
522  #else  #else
523  #error Unsupported compiling mode  #error Unsupported compiling mode
524  #endif /* COMPILE_PCRE16 */  #endif /* COMPILE_PCRE[8|16|32] */
   
 #endif /* COMPILE_PCRE8 */  
525    
526  /* Convenience macro defined in terms of the others */  /* Convenience macro defined in terms of the others */
527    
# Line 492  is automated on Unix systems via the "co Line 532  is automated on Unix systems via the "co
532  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
533  capturing parenthesis numbers in back references. */  capturing parenthesis numbers in back references. */
534    
535  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
536    
537  #define IMM2_SIZE 2  #define IMM2_SIZE 2
538    
# Line 500  capturing parenthesis numbers in back re Line 540  capturing parenthesis numbers in back re
540    a[n] = (d) >> 8; \    a[n] = (d) >> 8; \
541    a[(n)+1] = (d) & 255    a[(n)+1] = (d) & 255
542    
543    /* For reasons that I do not understand, the expression in this GET2 macro is
544    treated by gcc as a signed expression, even when a is declared as unsigned. It
545    seems that any kind of arithmetic results in a signed value. */
546    
547  #define GET2(a,n) \  #define GET2(a,n) \
548    (((a)[n] << 8) | (a)[(n)+1])    (unsigned int)(((a)[n] << 8) | (a)[(n)+1])
549    
550  #else /* COMPILE_PCRE8 */  #elif defined COMPILE_PCRE16
551    
552  #ifdef COMPILE_PCRE16  #define IMM2_SIZE 1
553    
554    #define PUT2(a,n,d)   \
555       a[n] = d
556    
557    #define GET2(a,n) \
558       a[n]
559    
560    #elif defined COMPILE_PCRE32
561    
562  #define IMM2_SIZE 1  #define IMM2_SIZE 1
563    
# Line 517  capturing parenthesis numbers in back re Line 569  capturing parenthesis numbers in back re
569    
570  #else  #else
571  #error Unsupported compiling mode  #error Unsupported compiling mode
572  #endif /* COMPILE_PCRE16 */  #endif /* COMPILE_PCRE[8|16|32] */
   
 #endif /* COMPILE_PCRE8 */  
573    
574  #define PUT2INC(a,n,d)  PUT2(a,n,d), a += IMM2_SIZE  #define PUT2INC(a,n,d)  PUT2(a,n,d), a += IMM2_SIZE
575    
576    /* The maximum length of a MARK name is currently one data unit; it may be
577    changed in future to be a fixed number of bytes or to depend on LINK_SIZE. */
578    
579    #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
580    #define MAX_MARK ((1u << 16) - 1)
581    #else
582    #define MAX_MARK ((1u << 8) - 1)
583    #endif
584    
585    /* There is a proposed future special "UTF-21" mode, in which only the lowest
586    21 bits of a 32-bit character are interpreted as UTF, with the remaining 11
587    high-order bits available to the application for other uses. In preparation for
588    the future implementation of this mode, there are macros that load a data item
589    and, if in this special mode, mask it to 21 bits. These macros all have names
590    starting with UCHAR21. In all other modes, including the normal 32-bit
591    library, the macros all have the same simple definitions. When the new mode is
592    implemented, it is expected that these definitions will be varied appropriately
593    using #ifdef when compiling the library that supports the special mode. */
594    
595    #define UCHAR21(eptr)        (*(eptr))
596    #define UCHAR21TEST(eptr)    (*(eptr))
597    #define UCHAR21INC(eptr)     (*(eptr)++)
598    #define UCHAR21INCTEST(eptr) (*(eptr)++)
599    
600  /* When UTF encoding is being used, a character is no longer just a single  /* When UTF encoding is being used, a character is no longer just a single
601  character. The macros for character handling generate simple sequences when  byte in 8-bit mode or a single short in 16-bit mode. The macros for character
602  used in character-mode, and more complicated ones for UTF characters.  handling generate simple sequences when used in the basic mode, and more
603  GETCHARLENTEST and other macros are not used when UTF is not supported,  complicated ones for UTF characters. GETCHARLENTEST and other macros are not
604  so they are not defined. To make sure they can never even appear when  used when UTF is not supported. To make sure they can never even appear when
605  UTF support is omitted, we don't even define them. */  UTF support is omitted, we don't even define them. */
606    
607  #ifndef SUPPORT_UTF  #ifndef SUPPORT_UTF
# Line 548  UTF support is omitted, we don't even de Line 622  UTF support is omitted, we don't even de
622    
623  #else   /* SUPPORT_UTF */  #else   /* SUPPORT_UTF */
624    
 #ifdef COMPILE_PCRE8  
   
 /* These macros were originally written in the form of loops that used data  
 from the tables whose names start with PRIV(utf8_table). They were rewritten by  
 a user so as not to use loops, because in some environments this gives a  
 significant performance advantage, and it seems never to do any harm. */  
   
 /* Tells the biggest code point which can be encoded as a single character. */  
   
 #define MAX_VALUE_FOR_SINGLE_CHAR 127  
   
625  /* Tests whether the code point needs extra characters to decode. */  /* Tests whether the code point needs extra characters to decode. */
626    
627  #define HAS_EXTRALEN(c) ((c) >= 0xc0)  #define HASUTF8EXTRALEN(c) ((c) >= 0xc0)
   
 /* Returns with the additional number of characters if IS_MULTICHAR(c) is TRUE.  
 Otherwise it has an undefined behaviour. */  
   
 #define GET_EXTRALEN(c) (PRIV(utf8_table4)[(c) & 0x3f])  
   
 /* Returns TRUE, if the given character is not the first character  
 of a UTF sequence. */  
   
 #define NOT_FIRSTCHAR(c) (((c) & 0xc0) == 0x80)  
628    
629  /* Base macro to pick up the remaining bytes of a UTF-8 character, not  /* Base macro to pick up the remaining bytes of a UTF-8 character, not
630  advancing the pointer. */  advancing the pointer. */
# Line 595  advancing the pointer. */ Line 648  advancing the pointer. */
648            ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \            ((eptr[4] & 0x3f) << 6) | (eptr[5] & 0x3f); \
649      }      }
650    
 /* Get the next UTF-8 character, not advancing the pointer. This is called when  
 we know we are in UTF-8 mode. */  
   
 #define GETCHAR(c, eptr) \  
   c = *eptr; \  
   if (c >= 0xc0) GETUTF8(c, eptr);  
   
 /* Get the next UTF-8 character, testing for UTF-8 mode, and not advancing the  
 pointer. */  
   
 #define GETCHARTEST(c, eptr) \  
   c = *eptr; \  
   if (utf && c >= 0xc0) GETUTF8(c, eptr);  
   
651  /* Base macro to pick up the remaining bytes of a UTF-8 character, advancing  /* Base macro to pick up the remaining bytes of a UTF-8 character, advancing
652  the pointer. */  the pointer. */
653    
# Line 643  the pointer. */ Line 682  the pointer. */
682        } \        } \
683      }      }
684    
685    #if defined COMPILE_PCRE8
686    
687    /* These macros were originally written in the form of loops that used data
688    from the tables whose names start with PRIV(utf8_table). They were rewritten by
689    a user so as not to use loops, because in some environments this gives a
690    significant performance advantage, and it seems never to do any harm. */
691    
692    /* Tells the biggest code point which can be encoded as a single character. */
693    
694    #define MAX_VALUE_FOR_SINGLE_CHAR 127
695    
696    /* Tests whether the code point needs extra characters to decode. */
697    
698    #define HAS_EXTRALEN(c) ((c) >= 0xc0)
699    
700    /* Returns with the additional number of characters if IS_MULTICHAR(c) is TRUE.
701    Otherwise it has an undefined behaviour. */
702    
703    #define GET_EXTRALEN(c) (PRIV(utf8_table4)[(c) & 0x3f])
704    
705    /* Returns TRUE, if the given character is not the first character
706    of a UTF sequence. */
707    
708    #define NOT_FIRSTCHAR(c) (((c) & 0xc0) == 0x80)
709    
710    /* Get the next UTF-8 character, not advancing the pointer. This is called when
711    we know we are in UTF-8 mode. */
712    
713    #define GETCHAR(c, eptr) \
714      c = *eptr; \
715      if (c >= 0xc0) GETUTF8(c, eptr);
716    
717    /* Get the next UTF-8 character, testing for UTF-8 mode, and not advancing the
718    pointer. */
719    
720    #define GETCHARTEST(c, eptr) \
721      c = *eptr; \
722      if (utf && c >= 0xc0) GETUTF8(c, eptr);
723    
724  /* Get the next UTF-8 character, advancing the pointer. This is called when we  /* Get the next UTF-8 character, advancing the pointer. This is called when we
725  know we are in UTF-8 mode. */  know we are in UTF-8 mode. */
726    
# Line 722  because almost all calls are already wit Line 800  because almost all calls are already wit
800  #define ACROSSCHAR(condition, eptr, action) \  #define ACROSSCHAR(condition, eptr, action) \
801    while((condition) && ((eptr) & 0xc0) == 0x80) action    while((condition) && ((eptr) & 0xc0) == 0x80) action
802    
803  #else /* COMPILE_PCRE8 */  #elif defined COMPILE_PCRE16
   
 #ifdef COMPILE_PCRE16  
804    
805  /* Tells the biggest code point which can be encoded as a single character. */  /* Tells the biggest code point which can be encoded as a single character. */
806    
# Line 820  code. */ Line 896  code. */
896  #define ACROSSCHAR(condition, eptr, action) \  #define ACROSSCHAR(condition, eptr, action) \
897    if ((condition) && ((eptr) & 0xfc00) == 0xdc00) action    if ((condition) && ((eptr) & 0xfc00) == 0xdc00) action
898    
899  #endif  #elif defined COMPILE_PCRE32
900    
901  #endif /* COMPILE_PCRE8 */  /* These are trivial for the 32-bit library, since all UTF-32 characters fit
902    into one pcre_uchar unit. */
903    #define MAX_VALUE_FOR_SINGLE_CHAR (0x10ffffu)
904    #define HAS_EXTRALEN(c) (0)
905    #define GET_EXTRALEN(c) (0)
906    #define NOT_FIRSTCHAR(c) (0)
907    
908    /* Get the next UTF-32 character, not advancing the pointer. This is called when
909    we know we are in UTF-32 mode. */
910    
911    #define GETCHAR(c, eptr) \
912      c = *(eptr);
913    
914    /* Get the next UTF-32 character, testing for UTF-32 mode, and not advancing the
915    pointer. */
916    
917    #define GETCHARTEST(c, eptr) \
918      c = *(eptr);
919    
920    /* Get the next UTF-32 character, advancing the pointer. This is called when we
921    know we are in UTF-32 mode. */
922    
923    #define GETCHARINC(c, eptr) \
924      c = *((eptr)++);
925    
926    /* Get the next character, testing for UTF-32 mode, and advancing the pointer.
927    This is called when we don't know if we are in UTF-32 mode. */
928    
929    #define GETCHARINCTEST(c, eptr) \
930      c = *((eptr)++);
931    
932    /* Get the next UTF-32 character, not advancing the pointer, not incrementing
933    length (since all UTF-32 is of length 1). This is called when we know we are in
934    UTF-32 mode. */
935    
936    #define GETCHARLEN(c, eptr, len) \
937      GETCHAR(c, eptr)
938    
939    /* Get the next UTF-32character, testing for UTF-32 mode, not advancing the
940    pointer, not incrementing the length (since all UTF-32 is of length 1).
941    This is called when we do not know if we are in UTF-32 mode. */
942    
943    #define GETCHARLENTEST(c, eptr, len) \
944      GETCHARTEST(c, eptr)
945    
946    /* If the pointer is not at the start of a character, move it back until
947    it is. This is called only in UTF-32 mode - we don't put a test within the
948    macro because almost all calls are already within a block of UTF-32 only
949    code.
950    These are all no-ops since all UTF-32 characters fit into one pcre_uchar. */
951    
952    #define BACKCHAR(eptr) do { } while (0)
953    
954    /* Same as above, just in the other direction. */
955    #define FORWARDCHAR(eptr) do { } while (0)
956    
957    /* Same as above, but it allows a fully customizable form. */
958    #define ACROSSCHAR(condition, eptr, action) do { } while (0)
959    
960    #else
961    #error Unsupported compiling mode
962    #endif /* COMPILE_PCRE[8|16|32] */
963    
964  #endif  /* SUPPORT_UTF */  #endif  /* SUPPORT_UTF */
965    
966    /* Tests for Unicode horizontal and vertical whitespace characters must check a
967    number of different values. Using a switch statement for this generates the
968    fastest code (no loop, no memory access), and there are several places in the
969    interpreter code where this happens. In order to ensure that all the case lists
970    remain in step, we use macros so that there is only one place where the lists
971    are defined.
972    
973    These values are also required as lists in pcre_compile.c when processing \h,
974    \H, \v and \V in a character class. The lists are defined in pcre_tables.c, but
975    macros that define the values are here so that all the definitions are
976    together. The lists must be in ascending character order, terminated by
977    NOTACHAR (which is 0xffffffff).
978    
979    Any changes should ensure that the various macros are kept in step with each
980    other. NOTE: The values also appear in pcre_jit_compile.c. */
981    
982    /* ------ ASCII/Unicode environments ------ */
983    
984    #ifndef EBCDIC
985    
986    #define HSPACE_LIST \
987      CHAR_HT, CHAR_SPACE, 0xa0, \
988      0x1680, 0x180e, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, \
989      0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202f, 0x205f, 0x3000, \
990      NOTACHAR
991    
992    #define HSPACE_MULTIBYTE_CASES \
993      case 0x1680:  /* OGHAM SPACE MARK */ \
994      case 0x180e:  /* MONGOLIAN VOWEL SEPARATOR */ \
995      case 0x2000:  /* EN QUAD */ \
996      case 0x2001:  /* EM QUAD */ \
997      case 0x2002:  /* EN SPACE */ \
998      case 0x2003:  /* EM SPACE */ \
999      case 0x2004:  /* THREE-PER-EM SPACE */ \
1000      case 0x2005:  /* FOUR-PER-EM SPACE */ \
1001      case 0x2006:  /* SIX-PER-EM SPACE */ \
1002      case 0x2007:  /* FIGURE SPACE */ \
1003      case 0x2008:  /* PUNCTUATION SPACE */ \
1004      case 0x2009:  /* THIN SPACE */ \
1005      case 0x200A:  /* HAIR SPACE */ \
1006      case 0x202f:  /* NARROW NO-BREAK SPACE */ \
1007      case 0x205f:  /* MEDIUM MATHEMATICAL SPACE */ \
1008      case 0x3000   /* IDEOGRAPHIC SPACE */
1009    
1010    #define HSPACE_BYTE_CASES \
1011      case CHAR_HT: \
1012      case CHAR_SPACE: \
1013      case 0xa0     /* NBSP */
1014    
1015    #define HSPACE_CASES \
1016      HSPACE_BYTE_CASES: \
1017      HSPACE_MULTIBYTE_CASES
1018    
1019    #define VSPACE_LIST \
1020      CHAR_LF, CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, 0x2028, 0x2029, NOTACHAR
1021    
1022    #define VSPACE_MULTIBYTE_CASES \
1023      case 0x2028:    /* LINE SEPARATOR */ \
1024      case 0x2029     /* PARAGRAPH SEPARATOR */
1025    
1026    #define VSPACE_BYTE_CASES \
1027      case CHAR_LF: \
1028      case CHAR_VT: \
1029      case CHAR_FF: \
1030      case CHAR_CR: \
1031      case CHAR_NEL
1032    
1033    #define VSPACE_CASES \
1034      VSPACE_BYTE_CASES: \
1035      VSPACE_MULTIBYTE_CASES
1036    
1037  /* In case there is no definition of offsetof() provided - though any proper  /* ------ EBCDIC environments ------ */
 Standard C system should have one. */  
1038    
1039  #ifndef offsetof  #else
1040  #define offsetof(p_type,field) ((size_t)&(((p_type *)0)->field))  #define HSPACE_LIST CHAR_HT, CHAR_SPACE
1041    
1042    #define HSPACE_BYTE_CASES \
1043      case CHAR_HT: \
1044      case CHAR_SPACE
1045    
1046    #define HSPACE_CASES HSPACE_BYTE_CASES
1047    
1048    #ifdef EBCDIC_NL25
1049    #define VSPACE_LIST \
1050      CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, CHAR_LF, NOTACHAR
1051    #else
1052    #define VSPACE_LIST \
1053      CHAR_VT, CHAR_FF, CHAR_CR, CHAR_LF, CHAR_NEL, NOTACHAR
1054  #endif  #endif
1055    
1056    #define VSPACE_BYTE_CASES \
1057      case CHAR_LF: \
1058      case CHAR_VT: \
1059      case CHAR_FF: \
1060      case CHAR_CR: \
1061      case CHAR_NEL
1062    
1063    #define VSPACE_CASES VSPACE_BYTE_CASES
1064    #endif  /* EBCDIC */
1065    
1066    /* ------ End of whitespace macros ------ */
1067    
1068    
1069    
1070  /* Private flags containing information about the compiled regex. They used to  /* Private flags containing information about the compiled regex. They used to
1071  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 they were
1072  are in a 16-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as  moved to a 16-bit flags word - which got almost full, so now they are in a
1073  the restrictions on partial matching have been lifted. It remains for backwards  32-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as the
1074    restrictions on partial matching have been lifted. It remains for backwards
1075  compatibility. */  compatibility. */
1076    
1077  #ifdef COMPILE_PCRE8  #define PCRE_MODE8         0x00000001  /* compiled in 8 bit mode */
1078  #define PCRE_MODE          0x0001  /* compiled in 8 bit mode */  #define PCRE_MODE16        0x00000002  /* compiled in 16 bit mode */
1079  #endif  #define PCRE_MODE32        0x00000004  /* compiled in 32 bit mode */
1080  #ifdef COMPILE_PCRE16  #define PCRE_FIRSTSET      0x00000010  /* first_char is set */
1081  #define PCRE_MODE          0x0002  /* compiled in 16 bit mode */  #define PCRE_FCH_CASELESS  0x00000020  /* caseless first char */
1082    #define PCRE_REQCHSET      0x00000040  /* req_byte is set */
1083    #define PCRE_RCH_CASELESS  0x00000080  /* caseless requested char */
1084    #define PCRE_STARTLINE     0x00000100  /* start after \n for multiline */
1085    #define PCRE_NOPARTIAL     0x00000200  /* can't use partial with this regex */
1086    #define PCRE_JCHANGED      0x00000400  /* j option used in regex */
1087    #define PCRE_HASCRORLF     0x00000800  /* explicit \r or \n in pattern */
1088    #define PCRE_HASTHEN       0x00001000  /* pattern contains (*THEN) */
1089    #define PCRE_MLSET         0x00002000  /* match limit set by regex */
1090    #define PCRE_RLSET         0x00004000  /* recursion limit set by regex */
1091    #define PCRE_MATCH_EMPTY   0x00008000  /* pattern can match empty string */
1092    
1093    #if defined COMPILE_PCRE8
1094    #define PCRE_MODE          PCRE_MODE8
1095    #elif defined COMPILE_PCRE16
1096    #define PCRE_MODE          PCRE_MODE16
1097    #elif defined COMPILE_PCRE32
1098    #define PCRE_MODE          PCRE_MODE32
1099  #endif  #endif
1100  #define PCRE_FIRSTSET      0x0010  /* first_char is set */  #define PCRE_MODE_MASK     (PCRE_MODE8 | PCRE_MODE16 | PCRE_MODE32)
 #define PCRE_FCH_CASELESS  0x0020  /* caseless first char */  
 #define PCRE_REQCHSET      0x0040  /* req_byte is set */  
 #define PCRE_RCH_CASELESS  0x0080  /* caseless requested char */  
 #define PCRE_STARTLINE     0x0100  /* start after \n for multiline */  
 #define PCRE_NOPARTIAL     0x0200  /* can't use partial with this regex */  
 #define PCRE_JCHANGED      0x0400  /* j option used in regex */  
 #define PCRE_HASCRORLF     0x0800  /* explicit \r or \n in pattern */  
 #define PCRE_HASTHEN       0x1000  /* pattern contains (*THEN) */  
1101    
1102  /* Flags for the "extra" block produced by pcre_study(). */  /* Flags for the "extra" block produced by pcre_study(). */
1103    
# Line 871  time, run time, or study time, respectiv Line 1113  time, run time, or study time, respectiv
1113  #define PUBLIC_COMPILE_OPTIONS \  #define PUBLIC_COMPILE_OPTIONS \
1114    (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \    (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \
1115     PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \     PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \
1116     PCRE_NO_AUTO_CAPTURE|PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \     PCRE_NO_AUTO_CAPTURE|PCRE_NO_AUTO_POSSESS| \
1117       PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \
1118     PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \     PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
1119     PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE)     PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE|PCRE_NEVER_UTF)
1120    
1121  #define PUBLIC_EXEC_OPTIONS \  #define PUBLIC_EXEC_OPTIONS \
1122    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
# Line 887  time, run time, or study time, respectiv Line 1130  time, run time, or study time, respectiv
1130     PCRE_NO_START_OPTIMIZE)     PCRE_NO_START_OPTIMIZE)
1131    
1132  #define PUBLIC_STUDY_OPTIONS \  #define PUBLIC_STUDY_OPTIONS \
1133     PCRE_STUDY_JIT_COMPILE     (PCRE_STUDY_JIT_COMPILE|PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE| \
1134        PCRE_STUDY_JIT_PARTIAL_HARD_COMPILE|PCRE_STUDY_EXTRA_NEEDED)
1135    
1136    #define PUBLIC_JIT_EXEC_OPTIONS \
1137       (PCRE_NO_UTF8_CHECK|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|\
1138        PCRE_NOTEMPTY_ATSTART|PCRE_PARTIAL_SOFT|PCRE_PARTIAL_HARD)
1139    
1140  /* Magic number to provide a small check against being handed junk. */  /* Magic number to provide a small check against being handed junk. */
1141    
# Line 898  in different endianness. */ Line 1146  in different endianness. */
1146    
1147  #define REVERSED_MAGIC_NUMBER  0x45524350UL   /* 'ERCP' */  #define REVERSED_MAGIC_NUMBER  0x45524350UL   /* 'ERCP' */
1148    
 /* Negative values for the firstchar and reqchar variables */  
   
 #define REQ_UNSET (-2)  
 #define REQ_NONE  (-1)  
   
1149  /* The maximum remaining length of subject we are prepared to search for a  /* The maximum remaining length of subject we are prepared to search for a
1150  req_byte match. */  req_byte match. */
1151    
# Line 939  macros to give the functions distinct na Line 1182  macros to give the functions distinct na
1182  #ifndef SUPPORT_UTF  #ifndef SUPPORT_UTF
1183    
1184  /* UTF-8 support is not enabled; use the platform-dependent character literals  /* UTF-8 support is not enabled; use the platform-dependent character literals
1185  so that PCRE works on both ASCII and EBCDIC platforms, in non-UTF-mode only. */  so that PCRE works in both ASCII and EBCDIC environments, but only in non-UTF
1186    mode. Newline characters are problematic in EBCDIC. Though it has CR and LF
1187    characters, a common practice has been to use its NL (0x15) character as the
1188    line terminator in C-like processing environments. However, sometimes the LF
1189    (0x25) character is used instead, according to this Unicode document:
1190    
1191    http://unicode.org/standard/reports/tr13/tr13-5.html
1192    
1193    PCRE defaults EBCDIC NL to 0x15, but has a build-time option to select 0x25
1194    instead. Whichever is *not* chosen is defined as NEL.
1195    
1196    In both ASCII and EBCDIC environments, CHAR_NL and CHAR_LF are synonyms for the
1197    same code point. */
1198    
1199    #ifdef EBCDIC
1200    
1201    #ifndef EBCDIC_NL25
1202    #define CHAR_NL                     '\x15'
1203    #define CHAR_NEL                    '\x25'
1204    #define STR_NL                      "\x15"
1205    #define STR_NEL                     "\x25"
1206    #else
1207    #define CHAR_NL                     '\x25'
1208    #define CHAR_NEL                    '\x15'
1209    #define STR_NL                      "\x25"
1210    #define STR_NEL                     "\x15"
1211    #endif
1212    
1213    #define CHAR_LF                     CHAR_NL
1214    #define STR_LF                      STR_NL
1215    
1216    #define CHAR_ESC                    '\047'
1217    #define CHAR_DEL                    '\007'
1218    #define STR_ESC                     "\047"
1219    #define STR_DEL                     "\007"
1220    
1221    #else  /* Not EBCDIC */
1222    
1223    /* In ASCII/Unicode, linefeed is '\n' and we equate this to NL for
1224    compatibility. NEL is the Unicode newline character; make sure it is
1225    a positive value. */
1226    
1227    #define CHAR_LF                     '\n'
1228    #define CHAR_NL                     CHAR_LF
1229    #define CHAR_NEL                    ((unsigned char)'\x85')
1230    #define CHAR_ESC                    '\033'
1231    #define CHAR_DEL                    '\177'
1232    
1233    #define STR_LF                      "\n"
1234    #define STR_NL                      STR_LF
1235    #define STR_NEL                     "\x85"
1236    #define STR_ESC                     "\033"
1237    #define STR_DEL                     "\177"
1238    
1239    #endif  /* EBCDIC */
1240    
1241    /* The remaining definitions work in both environments. */
1242    
1243    #define CHAR_NULL                   '\0'
1244  #define CHAR_HT                     '\t'  #define CHAR_HT                     '\t'
1245  #define CHAR_VT                     '\v'  #define CHAR_VT                     '\v'
1246  #define CHAR_FF                     '\f'  #define CHAR_FF                     '\f'
1247  #define CHAR_CR                     '\r'  #define CHAR_CR                     '\r'
 #define CHAR_NL                     '\n'  
1248  #define CHAR_BS                     '\b'  #define CHAR_BS                     '\b'
1249  #define CHAR_BEL                    '\a'  #define CHAR_BEL                    '\a'
 #ifdef EBCDIC  
 #define CHAR_ESC                    '\047'  
 #define CHAR_DEL                    '\007'  
 #else  
 #define CHAR_ESC                    '\033'  
 #define CHAR_DEL                    '\177'  
 #endif  
1250    
1251  #define CHAR_SPACE                  ' '  #define CHAR_SPACE                  ' '
1252  #define CHAR_EXCLAMATION_MARK       '!'  #define CHAR_EXCLAMATION_MARK       '!'
# Line 1056  so that PCRE works on both ASCII and EBC Line 1348  so that PCRE works on both ASCII and EBC
1348  #define STR_VT                      "\v"  #define STR_VT                      "\v"
1349  #define STR_FF                      "\f"  #define STR_FF                      "\f"
1350  #define STR_CR                      "\r"  #define STR_CR                      "\r"
 #define STR_NL                      "\n"  
1351  #define STR_BS                      "\b"  #define STR_BS                      "\b"
1352  #define STR_BEL                     "\a"  #define STR_BEL                     "\a"
 #ifdef EBCDIC  
 #define STR_ESC                     "\047"  
 #define STR_DEL                     "\007"  
 #else  
 #define STR_ESC                     "\033"  
 #define STR_DEL                     "\177"  
 #endif  
1353    
1354  #define STR_SPACE                   " "  #define STR_SPACE                   " "
1355  #define STR_EXCLAMATION_MARK        "!"  #define STR_EXCLAMATION_MARK        "!"
# Line 1188  so that PCRE works on both ASCII and EBC Line 1472  so that PCRE works on both ASCII and EBC
1472  #define STRING_xdigit               "xdigit"  #define STRING_xdigit               "xdigit"
1473    
1474  #define STRING_DEFINE               "DEFINE"  #define STRING_DEFINE               "DEFINE"
1475    #define STRING_WEIRD_STARTWORD      "[:<:]]"
1476    #define STRING_WEIRD_ENDWORD        "[:>:]]"
1477    
1478  #define STRING_CR_RIGHTPAR             "CR)"  #define STRING_CR_RIGHTPAR              "CR)"
1479  #define STRING_LF_RIGHTPAR             "LF)"  #define STRING_LF_RIGHTPAR              "LF)"
1480  #define STRING_CRLF_RIGHTPAR           "CRLF)"  #define STRING_CRLF_RIGHTPAR            "CRLF)"
1481  #define STRING_ANY_RIGHTPAR            "ANY)"  #define STRING_ANY_RIGHTPAR             "ANY)"
1482  #define STRING_ANYCRLF_RIGHTPAR        "ANYCRLF)"  #define STRING_ANYCRLF_RIGHTPAR         "ANYCRLF)"
1483  #define STRING_BSR_ANYCRLF_RIGHTPAR    "BSR_ANYCRLF)"  #define STRING_BSR_ANYCRLF_RIGHTPAR     "BSR_ANYCRLF)"
1484  #define STRING_BSR_UNICODE_RIGHTPAR    "BSR_UNICODE)"  #define STRING_BSR_UNICODE_RIGHTPAR     "BSR_UNICODE)"
1485  #ifdef COMPILE_PCRE8  #define STRING_UTF8_RIGHTPAR            "UTF8)"
1486  #define STRING_UTF_RIGHTPAR            "UTF8)"  #define STRING_UTF16_RIGHTPAR           "UTF16)"
1487  #endif  #define STRING_UTF32_RIGHTPAR           "UTF32)"
1488  #ifdef COMPILE_PCRE16  #define STRING_UTF_RIGHTPAR             "UTF)"
1489  #define STRING_UTF_RIGHTPAR            "UTF16)"  #define STRING_UCP_RIGHTPAR             "UCP)"
1490  #endif  #define STRING_NO_AUTO_POSSESS_RIGHTPAR "NO_AUTO_POSSESS)"
1491  #define STRING_UCP_RIGHTPAR            "UCP)"  #define STRING_NO_START_OPT_RIGHTPAR    "NO_START_OPT)"
1492  #define STRING_NO_START_OPT_RIGHTPAR   "NO_START_OPT)"  #define STRING_LIMIT_MATCH_EQ           "LIMIT_MATCH="
1493    #define STRING_LIMIT_RECURSION_EQ       "LIMIT_RECURSION="
1494    
1495  #else  /* SUPPORT_UTF */  #else  /* SUPPORT_UTF */
1496    
# Line 1215  only. */ Line 1502  only. */
1502  #define CHAR_VT                     '\013'  #define CHAR_VT                     '\013'
1503  #define CHAR_FF                     '\014'  #define CHAR_FF                     '\014'
1504  #define CHAR_CR                     '\015'  #define CHAR_CR                     '\015'
1505  #define CHAR_NL                     '\012'  #define CHAR_LF                     '\012'
1506    #define CHAR_NL                     CHAR_LF
1507    #define CHAR_NEL                    ((unsigned char)'\x85')
1508  #define CHAR_BS                     '\010'  #define CHAR_BS                     '\010'
1509  #define CHAR_BEL                    '\007'  #define CHAR_BEL                    '\007'
1510  #define CHAR_ESC                    '\033'  #define CHAR_ESC                    '\033'
1511  #define CHAR_DEL                    '\177'  #define CHAR_DEL                    '\177'
1512    
1513    #define CHAR_NULL                   '\0'
1514  #define CHAR_SPACE                  '\040'  #define CHAR_SPACE                  '\040'
1515  #define CHAR_EXCLAMATION_MARK       '\041'  #define CHAR_EXCLAMATION_MARK       '\041'
1516  #define CHAR_QUOTATION_MARK         '\042'  #define CHAR_QUOTATION_MARK         '\042'
# Line 1448  only. */ Line 1738  only. */
1738  #define STRING_xdigit               STR_x STR_d STR_i STR_g STR_i STR_t  #define STRING_xdigit               STR_x STR_d STR_i STR_g STR_i STR_t
1739    
1740  #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
1741    #define STRING_WEIRD_STARTWORD      STR_LEFT_SQUARE_BRACKET STR_COLON STR_LESS_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET
1742    #define STRING_WEIRD_ENDWORD        STR_LEFT_SQUARE_BRACKET STR_COLON STR_GREATER_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET
1743    
1744  #define STRING_CR_RIGHTPAR             STR_C STR_R STR_RIGHT_PARENTHESIS  #define STRING_CR_RIGHTPAR              STR_C STR_R STR_RIGHT_PARENTHESIS
1745  #define STRING_LF_RIGHTPAR             STR_L STR_F STR_RIGHT_PARENTHESIS  #define STRING_LF_RIGHTPAR              STR_L STR_F STR_RIGHT_PARENTHESIS
1746  #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
1747  #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
1748  #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
1749  #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
1750  #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
1751  #ifdef COMPILE_PCRE8  #define STRING_UTF8_RIGHTPAR            STR_U STR_T STR_F STR_8 STR_RIGHT_PARENTHESIS
1752  #define STRING_UTF_RIGHTPAR            STR_U STR_T STR_F STR_8 STR_RIGHT_PARENTHESIS  #define STRING_UTF16_RIGHTPAR           STR_U STR_T STR_F STR_1 STR_6 STR_RIGHT_PARENTHESIS
1753  #endif  #define STRING_UTF32_RIGHTPAR           STR_U STR_T STR_F STR_3 STR_2 STR_RIGHT_PARENTHESIS
1754  #ifdef COMPILE_PCRE16  #define STRING_UTF_RIGHTPAR             STR_U STR_T STR_F STR_RIGHT_PARENTHESIS
1755  #define STRING_UTF_RIGHTPAR            STR_U STR_T STR_F STR_1 STR_6 STR_RIGHT_PARENTHESIS  #define STRING_UCP_RIGHTPAR             STR_U STR_C STR_P STR_RIGHT_PARENTHESIS
1756  #endif  #define STRING_NO_AUTO_POSSESS_RIGHTPAR STR_N STR_O STR_UNDERSCORE STR_A STR_U STR_T STR_O STR_UNDERSCORE STR_P STR_O STR_S STR_S STR_E STR_S STR_S STR_RIGHT_PARENTHESIS
1757  #define STRING_UCP_RIGHTPAR            STR_U STR_C STR_P STR_RIGHT_PARENTHESIS  #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
1758  #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  #define STRING_LIMIT_MATCH_EQ           STR_L STR_I STR_M STR_I STR_T STR_UNDERSCORE STR_M STR_A STR_T STR_C STR_H STR_EQUALS_SIGN
1759    #define STRING_LIMIT_RECURSION_EQ       STR_L STR_I STR_M STR_I STR_T STR_UNDERSCORE STR_R STR_E STR_C STR_U STR_R STR_S STR_I STR_O STR_N STR_EQUALS_SIGN
1760    
1761  #endif  /* SUPPORT_UTF */  #endif  /* SUPPORT_UTF */
1762    
# Line 1478  only. */ Line 1771  only. */
1771  #endif  #endif
1772    
1773  #ifndef ESC_n  #ifndef ESC_n
1774  #define ESC_n CHAR_NL  #define ESC_n CHAR_LF
1775  #endif  #endif
1776    
1777  #ifndef ESC_r  #ifndef ESC_r
# Line 1503  only. */ Line 1796  only. */
1796  #define PT_SPACE      6    /* Perl space - Z plus 9,10,12,13 */  #define PT_SPACE      6    /* Perl space - Z plus 9,10,12,13 */
1797  #define PT_PXSPACE    7    /* POSIX space - Z plus 9,10,11,12,13 */  #define PT_PXSPACE    7    /* POSIX space - Z plus 9,10,11,12,13 */
1798  #define PT_WORD       8    /* Word - L plus N plus underscore */  #define PT_WORD       8    /* Word - L plus N plus underscore */
1799    #define PT_CLIST      9    /* Pseudo-property: match character list */
1800    #define PT_UCNC      10    /* Universal Character nameable character */
1801    #define PT_TABSIZE   11    /* Size of square table for autopossessify tests */
1802    
1803    /* The following special properties are used only in XCLASS items, when POSIX
1804    classes are specified and PCRE_UCP is set - in other words, for Unicode
1805    handling of these classes. They are not available via the \p or \P escapes like
1806    those in the above list, and so they do not take part in the autopossessifying
1807    table. */
1808    
1809    #define PT_PXGRAPH   11    /* [:graph:] - characters that mark the paper */
1810    #define PT_PXPRINT   12    /* [:print:] - [:graph:] plus non-control spaces */
1811    #define PT_PXPUNCT   13    /* [:punct:] - punctuation characters */
1812    
1813  /* 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
1814  contain characters with values greater than 255. */  contain characters with values greater than 255. */
1815    
1816  #define XCL_NOT    0x01    /* Flag: this is a negative class */  #define XCL_NOT       0x01    /* Flag: this is a negative class */
1817  #define XCL_MAP    0x02    /* Flag: a 32-byte map is present */  #define XCL_MAP       0x02    /* Flag: a 32-byte map is present */
1818    #define XCL_HASPROP   0x04    /* Flag: property checks are present. */
1819    
1820  #define XCL_END       0    /* Marks end of individual items */  #define XCL_END       0    /* Marks end of individual items */
1821  #define XCL_SINGLE    1    /* Single item (one multibyte char) follows */  #define XCL_SINGLE    1    /* Single item (one multibyte char) follows */
# Line 1517  contain characters with values greater t Line 1824  contain characters with values greater t
1824  #define XCL_NOTPROP   4    /* Unicode inverted property (ditto) */  #define XCL_NOTPROP   4    /* Unicode inverted property (ditto) */
1825    
1826  /* These are escaped items that aren't just an encoding of a particular data  /* These are escaped items that aren't just an encoding of a particular data
1827  value such as \n. They must have non-zero values, as check_escape() returns  value such as \n. They must have non-zero values, as check_escape() returns 0
1828  their negation. Also, they must appear in the same order as in the opcode  for a data character.  Also, they must appear in the same order as in the
1829  definitions below, up to ESC_z. There's a dummy for OP_ALLANY because it  opcode definitions below, up to ESC_z. There's a dummy for OP_ALLANY because it
1830  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
1831  used for [^] in JavaScript compatibility mode, and for \C in non-utf mode. In  used for [^] in JavaScript compatibility mode, and for \C in non-utf mode. In
1832  non-DOTALL mode, "." behaves like \N.  non-DOTALL mode, "." behaves like \N.
1833    
1834  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.
1835  when PCRE_UCP is set, when replacement of \d etc by \p sequences is required.  when PCRE_UCP is set and replacement of \d etc by \p sequences is required.
1836  They must be contiguous, and remain in order so that the replacements can be  They must be contiguous, and remain in order so that the replacements can be
1837  looked up from a table.  looked up from a table.
1838    
1839  The final escape must be ESC_REF as subsequent values are used for  Negative numbers are used to encode a backreference (\1, \2, \3, etc.) in
1840  backreferences (\1, \2, \3, etc). There are two tests in the code for an escape  check_escape(). There are two tests in the code for an escape
1841  greater than ESC_b and less than ESC_Z to detect the types that may be  greater than ESC_b and less than ESC_Z to detect the types that may be
1842  repeated. These are the types that consume characters. If any new escapes are  repeated. These are the types that consume characters. If any new escapes are
1843  put in between that don't consume a character, that code will have to change.  put in between that don't consume a character, that code will have to change.
# Line 1540  enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, E Line 1847  enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, E
1847         ESC_W, ESC_w, ESC_N, ESC_dum, ESC_C, ESC_P, ESC_p, ESC_R, ESC_H,         ESC_W, ESC_w, ESC_N, ESC_dum, ESC_C, ESC_P, ESC_p, ESC_R, ESC_H,
1848         ESC_h, ESC_V, ESC_v, ESC_X, ESC_Z, ESC_z,         ESC_h, ESC_V, ESC_v, ESC_X, ESC_Z, ESC_z,
1849         ESC_E, ESC_Q, ESC_g, ESC_k,         ESC_E, ESC_Q, ESC_g, ESC_k,
1850         ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu,         ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu };
1851         ESC_REF };  
1852    
1853    /********************** Opcode definitions ******************/
1854    
1855    /****** NOTE NOTE NOTE ******
1856    
1857    Starting from 1 (i.e. after OP_END), the values up to OP_EOD must correspond in
1858    order to the list of escapes immediately above. Furthermore, values up to
1859    OP_DOLLM must not be changed without adjusting the table called autoposstab in
1860    pcre_compile.c
1861    
1862    Whenever this list is updated, the two macro definitions that follow must be
1863    updated to match. The possessification table called "opcode_possessify" in
1864    pcre_compile.c must also be updated, and also the tables called "coptable"
1865    and "poptable" in pcre_dfa_exec.c.
1866    
1867    ****** NOTE NOTE NOTE ******/
1868    
 /* Opcode table: Starting from 1 (i.e. after OP_END), the values up to  
 OP_EOD must correspond in order to the list of escapes immediately above.  
1869    
1870  *** NOTE NOTE NOTE *** Whenever this list is updated, the two macro definitions  /* The values between FIRST_AUTOTAB_OP and LAST_AUTOTAB_RIGHT_OP, inclusive,
1871  that follow must also be updated to match. There are also tables called  are used in a table for deciding whether a repeated character type can be
1872  "coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */  auto-possessified. */
1873    
1874    #define FIRST_AUTOTAB_OP       OP_NOT_DIGIT
1875    #define LAST_AUTOTAB_LEFT_OP   OP_EXTUNI
1876    #define LAST_AUTOTAB_RIGHT_OP  OP_DOLLM
1877    
1878  enum {  enum {
1879    OP_END,            /* 0 End of pattern */    OP_END,            /* 0 End of pattern */
# Line 1567  enum { Line 1892  enum {
1892    OP_NOT_WORDCHAR,       /* 10 \W */    OP_NOT_WORDCHAR,       /* 10 \W */
1893    OP_WORDCHAR,           /* 11 \w */    OP_WORDCHAR,           /* 11 \w */
1894    
1895    OP_ANY,            /* 12 Match any character except newline */    OP_ANY,            /* 12 Match any character except newline (\N) */
1896    OP_ALLANY,         /* 13 Match any character */    OP_ALLANY,         /* 13 Match any character */
1897    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 */
1898    OP_NOTPROP,        /* 15 \P (not Unicode property) */    OP_NOTPROP,        /* 15 \P (not Unicode property) */
# Line 1578  enum { Line 1903  enum {
1903    OP_NOT_VSPACE,     /* 20 \V (not vertical whitespace) */    OP_NOT_VSPACE,     /* 20 \V (not vertical whitespace) */
1904    OP_VSPACE,         /* 21 \v (vertical whitespace) */    OP_VSPACE,         /* 21 \v (vertical whitespace) */
1905    OP_EXTUNI,         /* 22 \X (extended Unicode sequence */    OP_EXTUNI,         /* 22 \X (extended Unicode sequence */
1906    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) */
1907    OP_EOD,            /* 24 End of data: \z */    OP_EOD,            /* 24 End of data (\z) */
1908    
1909      /* Line end assertions */
1910    
1911      OP_DOLL,           /* 25 End of line - not multiline */
1912      OP_DOLLM,          /* 26 End of line - multiline */
1913      OP_CIRC,           /* 27 Start of line - not multiline */
1914      OP_CIRCM,          /* 28 Start of line - multiline */
1915    
1916      /* Single characters; caseful must precede the caseless ones */
1917    
   OP_CIRC,           /* 25 Start of line - not multiline */  
   OP_CIRCM,          /* 26 Start of line - multiline */  
   OP_DOLL,           /* 27 End of line - not multiline */  
   OP_DOLLM,          /* 28 End of line - multiline */  
1918    OP_CHAR,           /* 29 Match one character, casefully */    OP_CHAR,           /* 29 Match one character, casefully */
1919    OP_CHARI,          /* 30 Match one character, caselessly */    OP_CHARI,          /* 30 Match one character, caselessly */
1920    OP_NOT,            /* 31 Match one character, not the given one, casefully */    OP_NOT,            /* 31 Match one character, not the given one, casefully */
# Line 1593  enum { Line 1923  enum {
1923    /* The following sets of 13 opcodes must always be kept in step because    /* The following sets of 13 opcodes must always be kept in step because
1924    the offset from the first one is used to generate the others. */    the offset from the first one is used to generate the others. */
1925    
1926    /**** Single characters, caseful, must precede the caseless ones ****/    /* Repeated characters; caseful must precede the caseless ones */
1927    
1928    OP_STAR,           /* 33 The maximizing and minimizing versions of */    OP_STAR,           /* 33 The maximizing and minimizing versions of */
1929    OP_MINSTAR,        /* 34 these six opcodes must come in pairs, with */    OP_MINSTAR,        /* 34 these six opcodes must come in pairs, with */
# Line 1611  enum { Line 1941  enum {
1941    OP_POSQUERY,       /* 44 Posesssified query, caseful */    OP_POSQUERY,       /* 44 Posesssified query, caseful */
1942    OP_POSUPTO,        /* 45 Possessified upto, caseful */    OP_POSUPTO,        /* 45 Possessified upto, caseful */
1943    
1944    /**** Single characters, caseless, must follow the caseful ones */    /* Repeated characters; caseless must follow the caseful ones */
1945    
1946    OP_STARI,          /* 46 */    OP_STARI,          /* 46 */
1947    OP_MINSTARI,       /* 47 */    OP_MINSTARI,       /* 47 */
# Line 1629  enum { Line 1959  enum {
1959    OP_POSQUERYI,      /* 57 Posesssified query, caseless */    OP_POSQUERYI,      /* 57 Posesssified query, caseless */
1960    OP_POSUPTOI,       /* 58 Possessified upto, caseless */    OP_POSUPTOI,       /* 58 Possessified upto, caseless */
1961    
1962    /**** The negated ones must follow the non-negated ones, and match them ****/    /* The negated ones must follow the non-negated ones, and match them */
1963    /**** Negated single character, caseful; must precede the caseless ones ****/    /* Negated repeated character, caseful; must precede the caseless ones */
1964    
1965    OP_NOTSTAR,        /* 59 The maximizing and minimizing versions of */    OP_NOTSTAR,        /* 59 The maximizing and minimizing versions of */
1966    OP_NOTMINSTAR,     /* 60 these six opcodes must come in pairs, with */    OP_NOTMINSTAR,     /* 60 these six opcodes must come in pairs, with */
# Line 1648  enum { Line 1978  enum {
1978    OP_NOTPOSQUERY,    /* 70 */    OP_NOTPOSQUERY,    /* 70 */
1979    OP_NOTPOSUPTO,     /* 71 */    OP_NOTPOSUPTO,     /* 71 */
1980    
1981    /**** Negated single character, caseless; must follow the caseful ones ****/    /* Negated repeated character, caseless; must follow the caseful ones */
1982    
1983    OP_NOTSTARI,       /* 72 */    OP_NOTSTARI,       /* 72 */
1984    OP_NOTMINSTARI,    /* 73 */    OP_NOTMINSTARI,    /* 73 */
# Line 1666  enum { Line 1996  enum {
1996    OP_NOTPOSQUERYI,   /* 83 */    OP_NOTPOSQUERYI,   /* 83 */
1997    OP_NOTPOSUPTOI,    /* 84 */    OP_NOTPOSUPTOI,    /* 84 */
1998    
1999    /**** Character types ****/    /* Character types */
2000    
2001    OP_TYPESTAR,       /* 85 The maximizing and minimizing versions of */    OP_TYPESTAR,       /* 85 The maximizing and minimizing versions of */
2002    OP_TYPEMINSTAR,    /* 86 these six opcodes must come in pairs, with */    OP_TYPEMINSTAR,    /* 86 these six opcodes must come in pairs, with */
# Line 1697  enum { Line 2027  enum {
2027    OP_CRRANGE,        /* 104 These are different to the three sets above. */    OP_CRRANGE,        /* 104 These are different to the three sets above. */
2028    OP_CRMINRANGE,     /* 105 */    OP_CRMINRANGE,     /* 105 */
2029    
2030      OP_CRPOSSTAR,      /* 106 Possessified versions */
2031      OP_CRPOSPLUS,      /* 107 */
2032      OP_CRPOSQUERY,     /* 108 */
2033      OP_CRPOSRANGE,     /* 109 */
2034    
2035    /* End of quantifier opcodes */    /* End of quantifier opcodes */
2036    
2037    OP_CLASS,          /* 106 Match a character class, chars < 256 only */    OP_CLASS,          /* 110 Match a character class, chars < 256 only */
2038    OP_NCLASS,         /* 107 Same, but the bitmap was created from a negative    OP_NCLASS,         /* 111 Same, but the bitmap was created from a negative
2039                                class - the difference is relevant only when a                                class - the difference is relevant only when a
2040                                character > 255 is encountered. */                                character > 255 is encountered. */
2041    OP_XCLASS,         /* 108 Extended class for handling > 255 chars within the    OP_XCLASS,         /* 112 Extended class for handling > 255 chars within the
2042                                class. This does both positive and negative. */                                class. This does both positive and negative. */
2043    OP_REF,            /* 109 Match a back reference, casefully */    OP_REF,            /* 113 Match a back reference, casefully */
2044    OP_REFI,           /* 110 Match a back reference, caselessly */    OP_REFI,           /* 114 Match a back reference, caselessly */
2045    OP_RECURSE,        /* 111 Match a numbered subpattern (possibly recursive) */    OP_DNREF,          /* 115 Match a duplicate name backref, casefully */
2046    OP_CALLOUT,        /* 112 Call out to external function if provided */    OP_DNREFI,         /* 116 Match a duplicate name backref, caselessly */
2047      OP_RECURSE,        /* 117 Match a numbered subpattern (possibly recursive) */
2048    OP_ALT,            /* 113 Start of alternation */    OP_CALLOUT,        /* 118 Call out to external function if provided */
2049    OP_KET,            /* 114 End of group that doesn't have an unbounded repeat */  
2050    OP_KETRMAX,        /* 115 These two must remain together and in this */    OP_ALT,            /* 119 Start of alternation */
2051    OP_KETRMIN,        /* 116 order. They are for groups the repeat for ever. */    OP_KET,            /* 120 End of group that doesn't have an unbounded repeat */
2052    OP_KETRPOS,        /* 117 Possessive unlimited repeat. */    OP_KETRMAX,        /* 121 These two must remain together and in this */
2053      OP_KETRMIN,        /* 122 order. They are for groups the repeat for ever. */
2054      OP_KETRPOS,        /* 123 Possessive unlimited repeat. */
2055    
2056    /* The assertions must come before BRA, CBRA, ONCE, and COND, and the four    /* The assertions must come before BRA, CBRA, ONCE, and COND, and the four
2057    asserts must remain in order. */    asserts must remain in order. */
2058    
2059    OP_REVERSE,        /* 118 Move pointer back - used in lookbehind assertions */    OP_REVERSE,        /* 124 Move pointer back - used in lookbehind assertions */
2060    OP_ASSERT,         /* 119 Positive lookahead */    OP_ASSERT,         /* 125 Positive lookahead */
2061    OP_ASSERT_NOT,     /* 120 Negative lookahead */    OP_ASSERT_NOT,     /* 126 Negative lookahead */
2062    OP_ASSERTBACK,     /* 121 Positive lookbehind */    OP_ASSERTBACK,     /* 127 Positive lookbehind */
2063    OP_ASSERTBACK_NOT, /* 122 Negative lookbehind */    OP_ASSERTBACK_NOT, /* 128 Negative lookbehind */
2064    
2065    /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately    /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately
2066    after the assertions, with ONCE first, as there's a test for >= ONCE for a    after the assertions, with ONCE first, as there's a test for >= ONCE for a
2067    subpattern that isn't an assertion. The POS versions must immediately follow    subpattern that isn't an assertion. The POS versions must immediately follow
2068    the non-POS versions in each case. */    the non-POS versions in each case. */
2069    
2070    OP_ONCE,           /* 123 Atomic group, contains captures */    OP_ONCE,           /* 129 Atomic group, contains captures */
2071    OP_ONCE_NC,        /* 124 Atomic group containing no captures */    OP_ONCE_NC,        /* 130 Atomic group containing no captures */
2072    OP_BRA,            /* 125 Start of non-capturing bracket */    OP_BRA,            /* 131 Start of non-capturing bracket */
2073    OP_BRAPOS,         /* 126 Ditto, with unlimited, possessive repeat */    OP_BRAPOS,         /* 132 Ditto, with unlimited, possessive repeat */
2074    OP_CBRA,           /* 127 Start of capturing bracket */    OP_CBRA,           /* 133 Start of capturing bracket */
2075    OP_CBRAPOS,        /* 128 Ditto, with unlimited, possessive repeat */    OP_CBRAPOS,        /* 134 Ditto, with unlimited, possessive repeat */
2076    OP_COND,           /* 129 Conditional group */    OP_COND,           /* 135 Conditional group */
2077    
2078    /* These five must follow the previous five, in the same order. There's a    /* These five must follow the previous five, in the same order. There's a
2079    check for >= SBRA to distinguish the two sets. */    check for >= SBRA to distinguish the two sets. */
2080    
2081    OP_SBRA,           /* 130 Start of non-capturing bracket, check empty  */    OP_SBRA,           /* 136 Start of non-capturing bracket, check empty  */
2082    OP_SBRAPOS,        /* 131 Ditto, with unlimited, possessive repeat */    OP_SBRAPOS,        /* 137 Ditto, with unlimited, possessive repeat */
2083    OP_SCBRA,          /* 132 Start of capturing bracket, check empty */    OP_SCBRA,          /* 138 Start of capturing bracket, check empty */
2084    OP_SCBRAPOS,       /* 133 Ditto, with unlimited, possessive repeat */    OP_SCBRAPOS,       /* 139 Ditto, with unlimited, possessive repeat */
2085    OP_SCOND,          /* 134 Conditional group, check empty */    OP_SCOND,          /* 140 Conditional group, check empty */
2086    
2087    /* The next two pairs must (respectively) be kept together. */    /* The next two pairs must (respectively) be kept together. */
2088    
2089    OP_CREF,           /* 135 Used to hold a capture number as condition */    OP_CREF,           /* 141 Used to hold a capture number as condition */
2090    OP_NCREF,          /* 136 Same, but generated by a name reference*/    OP_DNCREF,         /* 142 Used to point to duplicate names as a condition */
2091    OP_RREF,           /* 137 Used to hold a recursion number as condition */    OP_RREF,           /* 143 Used to hold a recursion number as condition */
2092    OP_NRREF,          /* 138 Same, but generated by a name reference*/    OP_DNRREF,         /* 144 Used to point to duplicate names as a condition */
2093    OP_DEF,            /* 139 The DEFINE condition */    OP_DEF,            /* 145 The DEFINE condition */
2094    
2095    OP_BRAZERO,        /* 140 These two must remain together and in this */    OP_BRAZERO,        /* 146 These two must remain together and in this */
2096    OP_BRAMINZERO,     /* 141 order. */    OP_BRAMINZERO,     /* 147 order. */
2097    OP_BRAPOSZERO,     /* 142 */    OP_BRAPOSZERO,     /* 148 */
2098    
2099    /* These are backtracking control verbs */    /* These are backtracking control verbs */
2100    
2101    OP_MARK,           /* 143 always has an argument */    OP_MARK,           /* 149 always has an argument */
2102    OP_PRUNE,          /* 144 */    OP_PRUNE,          /* 150 */
2103    OP_PRUNE_ARG,      /* 145 same, but with argument */    OP_PRUNE_ARG,      /* 151 same, but with argument */
2104    OP_SKIP,           /* 146 */    OP_SKIP,           /* 152 */
2105    OP_SKIP_ARG,       /* 147 same, but with argument */    OP_SKIP_ARG,       /* 153 same, but with argument */
2106    OP_THEN,           /* 148 */    OP_THEN,           /* 154 */
2107    OP_THEN_ARG,       /* 149 same, but with argument */    OP_THEN_ARG,       /* 155 same, but with argument */
2108    OP_COMMIT,         /* 150 */    OP_COMMIT,         /* 156 */
2109    
2110    /* These are forced failure and success verbs */    /* These are forced failure and success verbs */
2111    
2112    OP_FAIL,           /* 151 */    OP_FAIL,           /* 157 */
2113    OP_ACCEPT,         /* 152 */    OP_ACCEPT,         /* 158 */
2114    OP_ASSERT_ACCEPT,  /* 153 Used inside assertions */    OP_ASSERT_ACCEPT,  /* 159 Used inside assertions */
2115    OP_CLOSE,          /* 154 Used before OP_ACCEPT to close open captures */    OP_CLOSE,          /* 160 Used before OP_ACCEPT to close open captures */
2116    
2117    /* This is used to skip a subpattern with a {0} quantifier */    /* This is used to skip a subpattern with a {0} quantifier */
2118    
2119    OP_SKIPZERO,       /* 155 */    OP_SKIPZERO,       /* 161 */
2120    
2121    /* 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
2122    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 1790  enum { Line 2127  enum {
2127    
2128  /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro  /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro
2129  definitions that follow must also be updated to match. There are also tables  definitions that follow must also be updated to match. There are also tables
2130  called "coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */  called "opcode_possessify" in pcre_compile.c and "coptable" and "poptable" in
2131    pcre_dfa_exec.c that must be updated. */
2132    
2133    
2134  /* 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
# Line 1803  some cases doesn't actually use these na Line 2141  some cases doesn't actually use these na
2141    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \
2142    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \
2143    "extuni",  "\\Z", "\\z",                                        \    "extuni",  "\\Z", "\\z",                                        \
2144    "^", "^", "$", "$", "char", "chari", "not", "noti",             \    "$", "$", "^", "^", "char", "chari", "not", "noti",             \
2145    "*", "*?", "+", "+?", "?", "??",                                \    "*", "*?", "+", "+?", "?", "??",                                \
2146    "{", "{", "{",                                                  \    "{", "{", "{",                                                  \
2147    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
# Line 1819  some cases doesn't actually use these na Line 2157  some cases doesn't actually use these na
2157    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \
2158    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
2159    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \
2160    "class", "nclass", "xclass", "Ref", "Refi",                     \    "*+","++", "?+", "{",                                           \
2161      "class", "nclass", "xclass", "Ref", "Refi", "DnRef", "DnRefi",  \
2162    "Recurse", "Callout",                                           \    "Recurse", "Callout",                                           \
2163    "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos",                  \    "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos",                  \
2164    "Reverse", "Assert", "Assert not", "AssertB", "AssertB not",    \    "Reverse", "Assert", "Assert not", "AssertB", "AssertB not",    \
# Line 1828  some cases doesn't actually use these na Line 2167  some cases doesn't actually use these na
2167    "Cond",                                                         \    "Cond",                                                         \
2168    "SBra", "SBraPos", "SCBra", "SCBraPos",                         \    "SBra", "SBraPos", "SCBra", "SCBraPos",                         \
2169    "SCond",                                                        \    "SCond",                                                        \
2170    "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def",   \    "Cond ref", "Cond dnref", "Cond rec", "Cond dnrec", "Cond def", \
2171    "Brazero", "Braminzero", "Braposzero",                          \    "Brazero", "Braminzero", "Braposzero",                          \
2172    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \
2173    "*THEN", "*THEN", "*COMMIT", "*FAIL",                           \    "*THEN", "*THEN", "*COMMIT", "*FAIL",                           \
# Line 1853  in UTF-8 mode. The code that uses this t Line 2192  in UTF-8 mode. The code that uses this t
2192    3, 3,                          /* \P, \p                                 */ \    3, 3,                          /* \P, \p                                 */ \
2193    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \
2194    1,                             /* \X                                     */ \    1,                             /* \X                                     */ \
2195    1, 1, 1, 1, 1, 1,              /* \Z, \z, ^, ^M, $, $M                   */ \    1, 1, 1, 1, 1, 1,              /* \Z, \z, $, $M ^, ^M                    */ \
2196    2,                             /* Char  - the minimum length             */ \    2,                             /* Char  - the minimum length             */ \
2197    2,                             /* Chari  - the minimum length            */ \    2,                             /* Chari  - the minimum length            */ \
2198    2,                             /* not                                    */ \    2,                             /* not                                    */ \
# Line 1884  in UTF-8 mode. The code that uses this t Line 2223  in UTF-8 mode. The code that uses this t
2223    /* Character class & ref repeats                                         */ \    /* Character class & ref repeats                                         */ \
2224    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \
2225    1+2*IMM2_SIZE, 1+2*IMM2_SIZE,  /* CRRANGE, CRMINRANGE                    */ \    1+2*IMM2_SIZE, 1+2*IMM2_SIZE,  /* CRRANGE, CRMINRANGE                    */ \
2226      1, 1, 1, 1+2*IMM2_SIZE,        /* Possessive *+, ++, ?+, CRPOSRANGE      */ \
2227    1+(32/sizeof(pcre_uchar)),     /* CLASS                                  */ \    1+(32/sizeof(pcre_uchar)),     /* CLASS                                  */ \
2228    1+(32/sizeof(pcre_uchar)),     /* NCLASS                                 */ \    1+(32/sizeof(pcre_uchar)),     /* NCLASS                                 */ \
2229    0,                             /* XCLASS - variable length               */ \    0,                             /* XCLASS - variable length               */ \
2230    1+IMM2_SIZE,                   /* REF                                    */ \    1+IMM2_SIZE,                   /* REF                                    */ \
2231    1+IMM2_SIZE,                   /* REFI                                   */ \    1+IMM2_SIZE,                   /* REFI                                   */ \
2232      1+2*IMM2_SIZE,                 /* DNREF                                  */ \
2233      1+2*IMM2_SIZE,                 /* DNREFI                                 */ \
2234    1+LINK_SIZE,                   /* RECURSE                                */ \    1+LINK_SIZE,                   /* RECURSE                                */ \
2235    2+2*LINK_SIZE,                 /* CALLOUT                                */ \    2+2*LINK_SIZE,                 /* CALLOUT                                */ \
2236    1+LINK_SIZE,                   /* Alt                                    */ \    1+LINK_SIZE,                   /* Alt                                    */ \
# Line 1913  in UTF-8 mode. The code that uses this t Line 2255  in UTF-8 mode. The code that uses this t
2255    1+LINK_SIZE+IMM2_SIZE,         /* SCBRA                                  */ \    1+LINK_SIZE+IMM2_SIZE,         /* SCBRA                                  */ \
2256    1+LINK_SIZE+IMM2_SIZE,         /* SCBRAPOS                               */ \    1+LINK_SIZE+IMM2_SIZE,         /* SCBRAPOS                               */ \
2257    1+LINK_SIZE,                   /* SCOND                                  */ \    1+LINK_SIZE,                   /* SCOND                                  */ \
2258    1+IMM2_SIZE, 1+IMM2_SIZE,      /* CREF, NCREF                            */ \    1+IMM2_SIZE, 1+2*IMM2_SIZE,    /* CREF, DNCREF                           */ \
2259    1+IMM2_SIZE, 1+IMM2_SIZE,      /* RREF, NRREF                            */ \    1+IMM2_SIZE, 1+2*IMM2_SIZE,    /* RREF, DNRREF                           */ \
2260    1,                             /* DEF                                    */ \    1,                             /* DEF                                    */ \
2261    1, 1, 1,                       /* BRAZERO, BRAMINZERO, BRAPOSZERO        */ \    1, 1, 1,                       /* BRAZERO, BRAMINZERO, BRAPOSZERO        */ \
2262    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \
# Line 1923  in UTF-8 mode. The code that uses this t Line 2265  in UTF-8 mode. The code that uses this t
2265    1, 1, 1, 1,                    /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT    */ \    1, 1, 1, 1,                    /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT    */ \
2266    1+IMM2_SIZE, 1                 /* CLOSE, SKIPZERO                        */    1+IMM2_SIZE, 1                 /* CLOSE, SKIPZERO                        */
2267    
2268  /* A magic value for OP_RREF and OP_NRREF to indicate the "any recursion"  /* A magic value for OP_RREF to indicate the "any recursion" condition. */
 condition. */  
2269    
2270  #define RREF_ANY  0xffff  #define RREF_ANY  0xffff
2271    
# Line 1939  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4, Line 2280  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4,
2280         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,
2281         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,
2282         ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,         ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,
2283         ERR70, ERR71, ERR72, ERR73, ERR74, ERRCOUNT };         ERR70, ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERR78, ERR79,
2284           ERR80, ERR81, ERR82, ERR83, ERR84, ERR85, ERR86, ERRCOUNT };
2285    
2286    /* JIT compiling modes. The function list is indexed by them. */
2287    
2288    enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COMPILE, JIT_PARTIAL_HARD_COMPILE,
2289           JIT_NUMBER_OF_COMPILE_MODES };
2290    
2291  /* 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
2292  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
2293  offset to the name table so that if a regex is compiled on one host, saved, and  offset to the name table so that if a regex is compiled on one host, saved, and
2294  then run on another where the size of pointers is different, all might still  then run on another where the size of pointers is different, all might still
2295  be well. For the case of compiled-on-4 and run-on-8, we include an extra  be well.
2296  pointer that is always NULL. For future-proofing, a few dummy fields were  
2297  originally included - even though you can never get this planning right - but  The size of the structure must be a multiple of 8 bytes. For the case of
2298  there is only one left now.  compiled-on-4 and run-on-8, we include an extra pointer that is always NULL so
2299    that there are an even number of pointers which therefore are a multiple of 8
2300  NOTE NOTE NOTE:  bytes.
2301  Because people can now save and re-use compiled patterns, any additions to this  
2302  structure should be made at the end, and something earlier (e.g. a new  It is necessary to fork the struct for the 32 bit library, since it needs to
2303  flag in the options or one of the dummy fields) should indicate that the new  use pcre_uint32 for first_char and req_char. We can't put an ifdef inside the
2304  fields are present. Currently PCRE always sets the dummy fields to zero.  typedef because pcretest needs access to the struct of the 8-, 16- and 32-bit
2305  NOTE NOTE NOTE  variants.
2306    
2307    *** WARNING ***
2308    When new fields are added to these structures, remember to adjust the code in
2309    pcre_byte_order.c that is concerned with swapping the byte order of the fields
2310    when a compiled regex is reloaded on a host with different endianness.
2311    *** WARNING ***
2312    There is also similar byte-flipping code in pcretest.c, which is used for
2313    testing the byte-flipping features. It must also be kept in step.
2314    *** WARNING ***
2315  */  */
2316    
2317  typedef struct real_pcre {  typedef struct real_pcre8_or_16 {
2318    pcre_uint32 magic_number;    pcre_uint32 magic_number;
2319    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
2320    pcre_uint32 options;            /* Public options */    pcre_uint32 options;            /* Public options */
2321    pcre_uint16 flags;              /* Private flags */    pcre_uint32 flags;              /* Private flags */
2322    pcre_uint16 dummy1;             /* For future use */    pcre_uint32 limit_match;        /* Limit set from regex */
2323    pcre_uint16 top_bracket;    pcre_uint32 limit_recursion;    /* Limit set from regex */
   pcre_uint16 top_backref;  
2324    pcre_uint16 first_char;         /* Starting character */    pcre_uint16 first_char;         /* Starting character */
2325    pcre_uint16 req_char;           /* This character must be seen */    pcre_uint16 req_char;           /* This character must be seen */
2326      pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */
2327      pcre_uint16 top_bracket;        /* Highest numbered group */
2328      pcre_uint16 top_backref;        /* Highest numbered back reference */
2329    pcre_uint16 name_table_offset;  /* Offset to name table that follows */    pcre_uint16 name_table_offset;  /* Offset to name table that follows */
2330    pcre_uint16 name_entry_size;    /* Size of any name items */    pcre_uint16 name_entry_size;    /* Size of any name items */
2331    pcre_uint16 name_count;         /* Number of name items */    pcre_uint16 name_count;         /* Number of name items */
2332    pcre_uint16 ref_count;          /* Reference count */    pcre_uint16 ref_count;          /* Reference count */
2333      pcre_uint16 dummy1;             /* To ensure size is a multiple of 8 */
2334      pcre_uint16 dummy2;             /* To ensure size is a multiple of 8 */
2335      pcre_uint16 dummy3;             /* To ensure size is a multiple of 8 */
2336      const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */
2337      void             *nullpad;      /* NULL padding */
2338    } real_pcre8_or_16;
2339    
2340    typedef struct real_pcre8_or_16 real_pcre;
2341    typedef struct real_pcre8_or_16 real_pcre16;
2342    
2343    typedef struct real_pcre32 {
2344      pcre_uint32 magic_number;
2345      pcre_uint32 size;               /* Total that was malloced */
2346      pcre_uint32 options;            /* Public options */
2347      pcre_uint32 flags;              /* Private flags */
2348      pcre_uint32 limit_match;        /* Limit set from regex */
2349      pcre_uint32 limit_recursion;    /* Limit set from regex */
2350      pcre_uint32 first_char;         /* Starting character */
2351      pcre_uint32 req_char;           /* This character must be seen */
2352      pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */
2353      pcre_uint16 top_bracket;        /* Highest numbered group */
2354      pcre_uint16 top_backref;        /* Highest numbered back reference */
2355      pcre_uint16 name_table_offset;  /* Offset to name table that follows */
2356      pcre_uint16 name_entry_size;    /* Size of any name items */
2357      pcre_uint16 name_count;         /* Number of name items */
2358      pcre_uint16 ref_count;          /* Reference count */
2359      pcre_uint16 dummy;              /* To ensure size is a multiple of 8 */
2360    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */
2361    const pcre_uint8 *nullpad;      /* NULL padding */    void             *nullpad;      /* NULL padding */
2362  } real_pcre;  } real_pcre32;
2363    
2364    #if defined COMPILE_PCRE8
2365    #define REAL_PCRE real_pcre
2366    #elif defined COMPILE_PCRE16
2367    #define REAL_PCRE real_pcre16
2368    #elif defined COMPILE_PCRE32
2369    #define REAL_PCRE real_pcre32
2370    #endif
2371    
2372    /* Assert that the size of REAL_PCRE is divisible by 8 */
2373    typedef int __assert_real_pcre_size_divisible_8[(sizeof(REAL_PCRE) % 8) == 0 ? 1 : -1];
2374    
2375    /* Needed in pcretest to access some fields in the real_pcre* structures
2376     * directly. They're unified for 8/16/32 bits since the structs only differ
2377     * after these fields; if that ever changes, need to fork those defines into
2378     * 8/16 and 32 bit versions. */
2379    #define REAL_PCRE_MAGIC(re)     (((REAL_PCRE*)re)->magic_number)
2380    #define REAL_PCRE_SIZE(re)      (((REAL_PCRE*)re)->size)
2381    #define REAL_PCRE_OPTIONS(re)   (((REAL_PCRE*)re)->options)
2382    #define REAL_PCRE_FLAGS(re)     (((REAL_PCRE*)re)->flags)
2383    
2384  /* 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
2385  remark (see NOTE above) about extending this structure applies. */  remark (see NOTE above) about extending this structure applies. */
# Line 1998  typedef struct open_capitem { Line 2402  typedef struct open_capitem {
2402    pcre_uint16 flag;             /* Set TRUE if recursive back ref */    pcre_uint16 flag;             /* Set TRUE if recursive back ref */
2403  } open_capitem;  } open_capitem;
2404    
2405    /* Structure for building a list of named groups during the first pass of
2406    compiling. */
2407    
2408    typedef struct named_group {
2409      const pcre_uchar  *name;          /* Points to the name in the pattern */
2410      int                length;        /* Length of the name */
2411      pcre_uint32        number;        /* Group number */
2412    } named_group;
2413    
2414  /* Structure for passing "static" information around between the functions  /* Structure for passing "static" information around between the functions
2415  doing the compiling, so that they are thread-safe. */  doing the compiling, so that they are thread-safe. */
2416    
# Line 2010  typedef struct compile_data { Line 2423  typedef struct compile_data {
2423    const pcre_uchar *start_code;     /* The start of the compiled code */    const pcre_uchar *start_code;     /* The start of the compiled code */
2424    const pcre_uchar *start_pattern;  /* The start of the pattern */    const pcre_uchar *start_pattern;  /* The start of the pattern */
2425    const pcre_uchar *end_pattern;    /* The end of the pattern */    const pcre_uchar *end_pattern;    /* The end of the pattern */
   open_capitem *open_caps;          /* Chain of open capture items */  
2426    pcre_uchar *hwm;                  /* High watermark of workspace */    pcre_uchar *hwm;                  /* High watermark of workspace */
2427      open_capitem *open_caps;          /* Chain of open capture items */
2428      named_group *named_groups;        /* Points to vector in pre-compile */
2429    pcre_uchar *name_table;           /* The name/number table */    pcre_uchar *name_table;           /* The name/number table */
2430    int  names_found;                 /* Number of entries so far */    int  names_found;                 /* Number of entries so far */
2431    int  name_entry_size;             /* Size of each entry */    int  name_entry_size;             /* Size of each entry */
2432      int  named_group_list_size;       /* Number of entries in the list */
2433    int  workspace_size;              /* Size of workspace */    int  workspace_size;              /* Size of workspace */
2434    int  bracount;                    /* Count of capturing parens as we compile */    unsigned int bracount;            /* Count of capturing parens as we compile */
2435    int  final_bracount;              /* Saved value after first pass */    int  final_bracount;              /* Saved value after first pass */
2436      int  max_lookbehind;              /* Maximum lookbehind (characters) */
2437    int  top_backref;                 /* Maximum back reference */    int  top_backref;                 /* Maximum back reference */
2438    unsigned int backref_map;         /* Bitmap of low back refs */    unsigned int backref_map;         /* Bitmap of low back refs */
2439      unsigned int namedrefcount;       /* Number of backreferences by name */
2440      int  parens_depth;                /* Depth of nested parentheses */
2441    int  assert_depth;                /* Depth of nested assertions */    int  assert_depth;                /* Depth of nested assertions */
2442    int  external_options;            /* External (initial) options */    pcre_uint32 external_options;     /* External (initial) options */
2443    int  external_flags;              /* External flag bits to be set */    pcre_uint32 external_flags;       /* External flag bits to be set */
2444    int  req_varyopt;                 /* "After variable item" flag for reqbyte */    int  req_varyopt;                 /* "After variable item" flag for reqbyte */
2445    BOOL had_accept;                  /* (*ACCEPT) encountered */    BOOL had_accept;                  /* (*ACCEPT) encountered */
2446      BOOL had_pruneorskip;             /* (*PRUNE) or (*SKIP) encountered */
2447    BOOL check_lookbehind;            /* Lookbehinds need later checking */    BOOL check_lookbehind;            /* Lookbehinds need later checking */
2448      BOOL dupnames;                    /* Duplicate names exist */
2449    int  nltype;                      /* Newline type */    int  nltype;                      /* Newline type */
2450    int  nllen;                       /* Newline string length */    int  nllen;                       /* Newline string length */
2451    pcre_uchar nl[4];                 /* Newline string when fixed length */    pcre_uchar nl[4];                 /* Newline string when fixed length */
# Line 2044  call within the pattern; used by pcre_ex Line 2464  call within the pattern; used by pcre_ex
2464    
2465  typedef struct recursion_info {  typedef struct recursion_info {
2466    struct recursion_info *prevrec; /* Previous recursion record (or NULL) */    struct recursion_info *prevrec; /* Previous recursion record (or NULL) */
2467    int group_num;                  /* Number of group that was called */    unsigned int group_num;         /* Number of group that was called */
2468    int *offset_save;               /* Pointer to start of saved offsets */    int *offset_save;               /* Pointer to start of saved offsets */
2469    int saved_max;                  /* Number of saved offsets */    int saved_max;                  /* Number of saved offsets */
2470      int saved_capture_last;         /* Last capture number */
2471    PCRE_PUCHAR subject_position;   /* Position at start of recursion */    PCRE_PUCHAR subject_position;   /* Position at start of recursion */
2472  } recursion_info;  } recursion_info;
2473    
# Line 2083  typedef struct match_data { Line 2504  typedef struct match_data {
2504    int    nllen;                   /* Newline string length */    int    nllen;                   /* Newline string length */
2505    int    name_count;              /* Number of names in name table */    int    name_count;              /* Number of names in name table */
2506    int    name_entry_size;         /* Size of entry in names table */    int    name_entry_size;         /* Size of entry in names table */
2507      unsigned int skip_arg_count;    /* For counting SKIP_ARGs */
2508      unsigned int ignore_skip_arg;   /* For re-run when SKIP arg name not found */
2509    pcre_uchar *name_table;         /* Table of names */    pcre_uchar *name_table;         /* Table of names */
2510    pcre_uchar nl[4];               /* Newline string when fixed */    pcre_uchar nl[4];               /* Newline string when fixed */
2511    const  pcre_uint8 *lcc;         /* Points to lower casing table */    const  pcre_uint8 *lcc;         /* Points to lower casing table */
2512    const  pcre_uint8 *fcc;         /* Points to case-flipping table */    const  pcre_uint8 *fcc;         /* Points to case-flipping table */
2513    const  pcre_uint8 *ctypes;      /* Points to table of type maps */    const  pcre_uint8 *ctypes;      /* Points to table of type maps */
   BOOL   offset_overflow;         /* Set if too many extractions */  
2514    BOOL   notbol;                  /* NOTBOL flag */    BOOL   notbol;                  /* NOTBOL flag */
2515    BOOL   noteol;                  /* NOTEOL flag */    BOOL   noteol;                  /* NOTEOL flag */
2516    BOOL   utf;                     /* UTF-8 / UTF-16 flag */    BOOL   utf;                     /* UTF-8 / UTF-16 flag */
# Line 2100  typedef struct match_data { Line 2522  typedef struct match_data {
2522    BOOL   hitend;                  /* Hit the end of the subject at some point */    BOOL   hitend;                  /* Hit the end of the subject at some point */
2523    BOOL   bsr_anycrlf;             /* \R is just any CRLF, not full Unicode */    BOOL   bsr_anycrlf;             /* \R is just any CRLF, not full Unicode */
2524    BOOL   hasthen;                 /* Pattern contains (*THEN) */    BOOL   hasthen;                 /* Pattern contains (*THEN) */
   BOOL   ignore_skip_arg;         /* For re-run when SKIP name not found */  
2525    const  pcre_uchar *start_code;  /* For use when recursing */    const  pcre_uchar *start_code;  /* For use when recursing */
2526    PCRE_PUCHAR start_subject;      /* Start of the subject string */    PCRE_PUCHAR start_subject;      /* Start of the subject string */
2527    PCRE_PUCHAR end_subject;        /* End of the subject string */    PCRE_PUCHAR end_subject;        /* End of the subject string */
# Line 2109  typedef struct match_data { Line 2530  typedef struct match_data {
2530    PCRE_PUCHAR start_used_ptr;     /* Earliest consulted character */    PCRE_PUCHAR start_used_ptr;     /* Earliest consulted character */
2531    int    partial;                 /* PARTIAL options */    int    partial;                 /* PARTIAL options */
2532    int    end_offset_top;          /* Highwater mark at end of match */    int    end_offset_top;          /* Highwater mark at end of match */
2533    int    capture_last;            /* Most recent capture number */    pcre_int32 capture_last;        /* Most recent capture number + overflow flag */
2534    int    start_offset;            /* The start offset value */    int    start_offset;            /* The start offset value */
2535    int    match_function_type;     /* Set for certain special calls of MATCH() */    int    match_function_type;     /* Set for certain special calls of MATCH() */
2536    eptrblock *eptrchain;           /* Chain of eptrblocks for tail recursions */    eptrblock *eptrchain;           /* Chain of eptrblocks for tail recursions */
# Line 2119  typedef struct match_data { Line 2540  typedef struct match_data {
2540    const  pcre_uchar *mark;        /* Mark pointer to pass back on success */    const  pcre_uchar *mark;        /* Mark pointer to pass back on success */
2541    const  pcre_uchar *nomatch_mark;/* Mark pointer to pass back on failure */    const  pcre_uchar *nomatch_mark;/* Mark pointer to pass back on failure */
2542    const  pcre_uchar *once_target; /* Where to back up to for atomic groups */    const  pcre_uchar *once_target; /* Where to back up to for atomic groups */
2543    #ifdef NO_RECURSE
2544      void  *match_frames_base;       /* For remembering malloc'd frames */
2545    #endif
2546  } match_data;  } match_data;
2547    
2548  /* 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
# Line 2173  total length. */ Line 2597  total length. */
2597  #define ctypes_offset (cbits_offset + cbit_length)  #define ctypes_offset (cbits_offset + cbit_length)
2598  #define tables_length (ctypes_offset + 256)  #define tables_length (ctypes_offset + 256)
2599    
2600  /* Internal function prefix */  /* Internal function and data prefixes. */
2601    
2602  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
2603    #ifndef PUBL
2604  #define PUBL(name) pcre_##name  #define PUBL(name) pcre_##name
2605    #endif
2606    #ifndef PRIV
2607  #define PRIV(name) _pcre_##name  #define PRIV(name) _pcre_##name
2608  #else  #endif
2609  #ifdef COMPILE_PCRE16  #elif defined COMPILE_PCRE16
2610    #ifndef PUBL
2611  #define PUBL(name) pcre16_##name  #define PUBL(name) pcre16_##name
2612    #endif
2613    #ifndef PRIV
2614  #define PRIV(name) _pcre16_##name  #define PRIV(name) _pcre16_##name
2615    #endif
2616    #elif defined COMPILE_PCRE32
2617    #ifndef PUBL
2618    #define PUBL(name) pcre32_##name
2619    #endif
2620    #ifndef PRIV
2621    #define PRIV(name) _pcre32_##name
2622    #endif
2623  #else  #else
2624  #error Unsupported compiling mode  #error Unsupported compiling mode
2625  #endif /* COMPILE_PCRE16 */  #endif /* COMPILE_PCRE[8|16|32] */
 #endif /* COMPILE_PCRE8 */  
2626    
2627  /* 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
2628  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
# Line 2205  but are not part of the PCRE public API. Line 2642  but are not part of the PCRE public API.
2642  pcre_tables.c module. */  pcre_tables.c module. */
2643    
2644  #ifdef COMPILE_PCRE8  #ifdef COMPILE_PCRE8
   
2645  extern const int            PRIV(utf8_table1)[];  extern const int            PRIV(utf8_table1)[];
2646  extern const int            PRIV(utf8_table1_size);  extern const int            PRIV(utf8_table1_size);
2647  extern const int            PRIV(utf8_table2)[];  extern const int            PRIV(utf8_table2)[];
2648  extern const int            PRIV(utf8_table3)[];  extern const int            PRIV(utf8_table3)[];
2649  extern const pcre_uint8     PRIV(utf8_table4)[];  extern const pcre_uint8     PRIV(utf8_table4)[];
   
2650  #endif /* COMPILE_PCRE8 */  #endif /* COMPILE_PCRE8 */
2651    
2652  extern const char           PRIV(utt_names)[];  extern const char           PRIV(utt_names)[];
2653  extern const ucp_type_table PRIV(utt)[];  extern const ucp_type_table PRIV(utt)[];
2654  extern const int            PRIV(utt_size);  extern const int            PRIV(utt_size);
2655    
2656    extern const pcre_uint8     PRIV(OP_lengths)[];
2657  extern const pcre_uint8     PRIV(default_tables)[];  extern const pcre_uint8     PRIV(default_tables)[];
2658    
2659  extern const pcre_uint8     PRIV(OP_lengths)[];  extern const pcre_uint32    PRIV(hspace_list)[];
2660    extern const pcre_uint32    PRIV(vspace_list)[];
2661    
2662    
2663  /* Internal shared functions. These are functions that are used by more than  /* Internal shared functions. These are functions that are used by more than
# Line 2228  one of the exported public functions. Th Line 2665  one of the exported public functions. Th
2665  sense, but are not part of the PCRE public API. */  sense, but are not part of the PCRE public API. */
2666    
2667  /* String comparison functions. */  /* String comparison functions. */
2668  #ifdef COMPILE_PCRE8  #if defined COMPILE_PCRE8
2669    
2670  #define STRCMP_UC_UC(str1, str2) \  #define STRCMP_UC_UC(str1, str2) \
2671    strcmp((char *)(str1), (char *)(str2))    strcmp((char *)(str1), (char *)(str2))
# Line 2240  sense, but are not part of the PCRE publ Line 2677  sense, but are not part of the PCRE publ
2677    strncmp((char *)(str1), (str2), (num))    strncmp((char *)(str1), (str2), (num))
2678  #define STRLEN_UC(str) strlen((const char *)str)  #define STRLEN_UC(str) strlen((const char *)str)
2679    
2680  #else  #elif defined COMPILE_PCRE16 || defined COMPILE_PCRE32
2681    
2682  extern int               PRIV(strcmp_uc_uc)(const pcre_uchar *,  extern int               PRIV(strcmp_uc_uc)(const pcre_uchar *,
2683                             const pcre_uchar *);                             const pcre_uchar *);
# Line 2262  extern unsigned int      PRIV(strlen_uc) Line 2699  extern unsigned int      PRIV(strlen_uc)
2699    PRIV(strncmp_uc_c8)((str1), (str2), (num))    PRIV(strncmp_uc_c8)((str1), (str2), (num))
2700  #define STRLEN_UC(str) PRIV(strlen_uc)(str)  #define STRLEN_UC(str) PRIV(strlen_uc)(str)
2701    
2702  #endif /* COMPILE_PCRE8 */  #endif /* COMPILE_PCRE[8|16|32] */
2703    
2704    #if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
2705    
2706    #define STRCMP_UC_UC_TEST(str1, str2) STRCMP_UC_UC(str1, str2)
2707    #define STRCMP_UC_C8_TEST(str1, str2) STRCMP_UC_C8(str1, str2)
2708    
2709    #elif defined COMPILE_PCRE32
2710    
2711    extern int               PRIV(strcmp_uc_uc_utf)(const pcre_uchar *,
2712                               const pcre_uchar *);
2713    extern int               PRIV(strcmp_uc_c8_utf)(const pcre_uchar *,
2714                               const char *);
2715    
2716    #define STRCMP_UC_UC_TEST(str1, str2) \
2717      (utf ? PRIV(strcmp_uc_uc_utf)((str1), (str2)) : PRIV(strcmp_uc_uc)((str1), (str2)))
2718    #define STRCMP_UC_C8_TEST(str1, str2) \
2719      (utf ? PRIV(strcmp_uc_c8_utf)((str1), (str2)) : PRIV(strcmp_uc_c8)((str1), (str2)))
2720    
2721    #endif /* COMPILE_PCRE[8|16|32] */
2722    
2723  extern const pcre_uchar *PRIV(find_bracket)(const pcre_uchar *, BOOL, int);  extern const pcre_uchar *PRIV(find_bracket)(const pcre_uchar *, BOOL, int);
2724  extern BOOL              PRIV(is_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,  extern BOOL              PRIV(is_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
2725                             int *, BOOL);                             int *, BOOL);
2726  extern int               PRIV(ord2utf)(pcre_uint32, pcre_uchar *);  extern unsigned int      PRIV(ord2utf)(pcre_uint32, pcre_uchar *);
2727  extern int               PRIV(valid_utf)(PCRE_PUCHAR, int, int *);  extern int               PRIV(valid_utf)(PCRE_PUCHAR, int, int *);
2728  extern BOOL              PRIV(was_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,  extern BOOL              PRIV(was_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
2729                             int *, BOOL);                             int *, BOOL);
2730  extern BOOL              PRIV(xclass)(int, const pcre_uchar *, BOOL);  extern BOOL              PRIV(xclass)(pcre_uint32, const pcre_uchar *, BOOL);
2731    
2732  #ifdef SUPPORT_JIT  #ifdef SUPPORT_JIT
2733  extern void              PRIV(jit_compile)(const real_pcre *, PUBL(extra) *);  extern void              PRIV(jit_compile)(const REAL_PCRE *,
2734  extern int               PRIV(jit_exec)(const real_pcre *, void *,                             PUBL(extra) *, int);
2735                             const pcre_uchar *, int, int, int, int, int *, int);  extern int               PRIV(jit_exec)(const PUBL(extra) *,
2736                               const pcre_uchar *, int, int, int, int *, int);
2737  extern void              PRIV(jit_free)(void *);  extern void              PRIV(jit_free)(void *);
2738  extern int               PRIV(jit_get_size)(void *);  extern int               PRIV(jit_get_size)(void *);
2739    extern const char*       PRIV(jit_get_target)(void);
2740  #endif  #endif
2741    
2742  /* Unicode character database (UCD) */  /* Unicode character database (UCD) */
2743    
2744  typedef struct {  typedef struct {
2745    pcre_uint8 script;    pcre_uint8 script;     /* ucp_Arabic, etc. */
2746    pcre_uint8 chartype;    pcre_uint8 chartype;   /* ucp_Cc, etc. (general categories) */
2747    pcre_int32 other_case;    pcre_uint8 gbprop;     /* ucp_gbControl, etc. (grapheme break property) */
2748      pcre_uint8 caseset;    /* offset to multichar other cases or zero */
2749      pcre_int32 other_case; /* offset to other case, or zero if none */
2750  } ucd_record;  } ucd_record;
2751    
2752    extern const pcre_uint32 PRIV(ucd_caseless_sets)[];
2753  extern const ucd_record  PRIV(ucd_records)[];  extern const ucd_record  PRIV(ucd_records)[];
2754  extern const pcre_uint8  PRIV(ucd_stage1)[];  extern const pcre_uint8  PRIV(ucd_stage1)[];
2755  extern const pcre_uint16 PRIV(ucd_stage2)[];  extern const pcre_uint16 PRIV(ucd_stage2)[];
2756  extern const int         PRIV(ucp_gentype)[];  extern const pcre_uint32 PRIV(ucp_gentype)[];
2757    extern const pcre_uint32 PRIV(ucp_gbtable)[];
2758  #ifdef SUPPORT_JIT  #ifdef SUPPORT_JIT
2759  extern const int         PRIV(ucp_typerange)[];  extern const int         PRIV(ucp_typerange)[];
2760  #endif  #endif
# Line 2302  extern const int         PRIV(ucp_typera Line 2764  extern const int         PRIV(ucp_typera
2764    
2765  #define UCD_BLOCK_SIZE 128  #define UCD_BLOCK_SIZE 128
2766  #define GET_UCD(ch) (PRIV(ucd_records) + \  #define GET_UCD(ch) (PRIV(ucd_records) + \
2767          PRIV(ucd_stage2)[PRIV(ucd_stage1)[(ch) / UCD_BLOCK_SIZE] * \          PRIV(ucd_stage2)[PRIV(ucd_stage1)[(int)(ch) / UCD_BLOCK_SIZE] * \
2768          UCD_BLOCK_SIZE + (ch) % UCD_BLOCK_SIZE])          UCD_BLOCK_SIZE + (int)(ch) % UCD_BLOCK_SIZE])
2769    
2770  #define UCD_CHARTYPE(ch)  GET_UCD(ch)->chartype  #define UCD_CHARTYPE(ch)    GET_UCD(ch)->chartype
2771  #define UCD_SCRIPT(ch)    GET_UCD(ch)->script  #define UCD_SCRIPT(ch)      GET_UCD(ch)->script
2772  #define UCD_CATEGORY(ch)  PRIV(ucp_gentype)[UCD_CHARTYPE(ch)]  #define UCD_CATEGORY(ch)    PRIV(ucp_gentype)[UCD_CHARTYPE(ch)]
2773  #define UCD_OTHERCASE(ch) (ch + GET_UCD(ch)->other_case)  #define UCD_GRAPHBREAK(ch)  GET_UCD(ch)->gbprop
2774    #define UCD_CASESET(ch)     GET_UCD(ch)->caseset
2775    #define UCD_OTHERCASE(ch)   ((pcre_uint32)((int)ch + (int)(GET_UCD(ch)->other_case)))
2776    
2777  #endif /* SUPPORT_UCP */  #endif /* SUPPORT_UCP */
2778    

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