/[pcre]/code/trunk/pcre_internal.h
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revision 1145 by ph10, Fri Oct 19 16:25:32 2012 UTC revision 1567 by ph10, Fri Jun 12 16:24:58 2015 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 112  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 188  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 215  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 273  typedef pcre_uint32 pcre_uchar; Line 287  typedef pcre_uint32 pcre_uchar;
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    
 /* Assert that pcre_uchar32 is a 32-bit type */  
 typedef int __assert_pcre_uchar32_size[sizeof(pcre_uchar) == 4 ? 1 : -1];  
   
290  #else  #else
291  #error Unsupported compiling mode  #error Unsupported compiling mode
292  #endif /* COMPILE_PCRE[8|16|32] */  #endif /* COMPILE_PCRE[8|16|32] */
# Line 305  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       RAWUCHARTEST(p) == NLBLOCK->nl[0] && \       UCHAR21TEST(p) == NLBLOCK->nl[0] && \
320       (NLBLOCK->nllen == 1 || RAWUCHARTEST(p+1) == NLBLOCK->nl[1])       \       (NLBLOCK->nllen == 1 || UCHAR21TEST(p+1) == NLBLOCK->nl[1])       \
321      ) \      ) \
322    )    )
323    
# Line 319  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       RAWUCHARTEST(p - NLBLOCK->nllen) == NLBLOCK->nl[0] &&              \       UCHAR21TEST(p - NLBLOCK->nllen) == NLBLOCK->nl[0] &&              \
334       (NLBLOCK->nllen == 1 || RAWUCHARTEST(p - NLBLOCK->nllen + 1) == NLBLOCK->nl[1]) \       (NLBLOCK->nllen == 1 || UCHAR21TEST(p - NLBLOCK->nllen + 1) == NLBLOCK->nl[1]) \
335      ) \      ) \
336    )    )
337    
# Line 345  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 523  capturing parenthesis numbers in back re Line 539  capturing parenthesis numbers in back re
539  #define PUT2(a,n,d)   \  #define PUT2(a,n,d)   \
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  /* 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  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. */  seems that any kind of arithmetic results in a signed value. */
546    
547  #define GET2(a,n) \  #define GET2(a,n) \
# Line 566  changed in future to be a fixed number o Line 582  changed in future to be a fixed number o
582  #define MAX_MARK ((1u << 8) - 1)  #define MAX_MARK ((1u << 8) - 1)
583  #endif  #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  byte. The macros for character handling generate simple sequences when used in  byte in 8-bit mode or a single short in 16-bit mode. The macros for character
602  character-mode, and more complicated ones for UTF characters. GETCHARLENTEST  handling generate simple sequences when used in the basic mode, and more
603  and other macros are not used when UTF is not supported, so they are not  complicated ones for UTF characters. GETCHARLENTEST and other macros are not
604  defined. To make sure they can never even appear when UTF support is omitted,  used when UTF is not supported. To make sure they can never even appear when
605  we don't even define them. */  UTF support is omitted, we don't even define them. */
606    
607  #ifndef SUPPORT_UTF  #ifndef SUPPORT_UTF
608    
# Line 584  we don't even define them. */ Line 615  we don't even define them. */
615  #define GETCHARINC(c, eptr) c = *eptr++;  #define GETCHARINC(c, eptr) c = *eptr++;
616  #define GETCHARINCTEST(c, eptr) c = *eptr++;  #define GETCHARINCTEST(c, eptr) c = *eptr++;
617  #define GETCHARLEN(c, eptr, len) c = *eptr;  #define GETCHARLEN(c, eptr, len) c = *eptr;
 #define RAWUCHAR(eptr) (*(eptr))  
 #define RAWUCHARINC(eptr) (*(eptr)++)  
 #define RAWUCHARTEST(eptr) (*(eptr))  
 #define RAWUCHARINCTEST(eptr) (*(eptr)++)  
618  /* #define GETCHARLENTEST(c, eptr, len) */  /* #define GETCHARLENTEST(c, eptr, len) */
619  /* #define BACKCHAR(eptr) */  /* #define BACKCHAR(eptr) */
620  /* #define FORWARDCHAR(eptr) */  /* #define FORWARDCHAR(eptr) */
# Line 760  do not know if we are in UTF-8 mode. */ Line 787  do not know if we are in UTF-8 mode. */
787    c = *eptr; \    c = *eptr; \
788    if (utf && c >= 0xc0) GETUTF8LEN(c, eptr, len);    if (utf && c >= 0xc0) GETUTF8LEN(c, eptr, len);
789    
 /* Returns the next uchar, not advancing the pointer. This is called when  
 we know we are in UTF mode. */  
   
 #define RAWUCHAR(eptr) \  
   (*(eptr))  
   
 /* Returns the next uchar, advancing the pointer. This is called when  
 we know we are in UTF mode. */  
   
 #define RAWUCHARINC(eptr) \  
   (*(eptr)++)  
   
 /* Returns the next uchar, testing for UTF mode, and not advancing the  
 pointer. */  
   
 #define RAWUCHARTEST(eptr) \  
   (*(eptr))  
   
 /* Returns the next uchar, testing for UTF mode, advancing the  
 pointer. */  
   
 #define RAWUCHARINCTEST(eptr) \  
   (*(eptr)++)  
   
790  /* If the pointer is not at the start of a character, move it back until  /* If the pointer is not at the start of a character, move it back until
791  it is. This is called only in UTF-8 mode - we don't put a test within the macro  it is. This is called only in UTF-8 mode - we don't put a test within the macro
792  because almost all calls are already within a block of UTF-8 only code. */  because almost all calls are already within a block of UTF-8 only code. */
# Line 879  we do not know if we are in UTF-16 mode. Line 882  we do not know if we are in UTF-16 mode.
882    c = *eptr; \    c = *eptr; \
883    if (utf && (c & 0xfc00) == 0xd800) GETUTF16LEN(c, eptr, len);    if (utf && (c & 0xfc00) == 0xd800) GETUTF16LEN(c, eptr, len);
884    
 /* Returns the next uchar, not advancing the pointer. This is called when  
 we know we are in UTF mode. */  
   
 #define RAWUCHAR(eptr) \  
   (*(eptr))  
   
 /* Returns the next uchar, advancing the pointer. This is called when  
 we know we are in UTF mode. */  
   
 #define RAWUCHARINC(eptr) \  
   (*(eptr)++)  
   
 /* Returns the next uchar, testing for UTF mode, and not advancing the  
 pointer. */  
   
 #define RAWUCHARTEST(eptr) \  
   (*(eptr))  
   
 /* Returns the next uchar, testing for UTF mode, advancing the  
 pointer. */  
   
 #define RAWUCHARINCTEST(eptr) \  
   (*(eptr)++)  
   
885  /* If the pointer is not at the start of a character, move it back until  /* If the pointer is not at the start of a character, move it back until
886  it is. This is called only in UTF-16 mode - we don't put a test within the  it is. This is called only in UTF-16 mode - we don't put a test within the
887  macro because almost all calls are already within a block of UTF-16 only  macro because almost all calls are already within a block of UTF-16 only
# Line 926  into one pcre_uchar unit. */ Line 905  into one pcre_uchar unit. */
905  #define GET_EXTRALEN(c) (0)  #define GET_EXTRALEN(c) (0)
906  #define NOT_FIRSTCHAR(c) (0)  #define NOT_FIRSTCHAR(c) (0)
907    
 #define UTF32_MASK (0x1fffffu)  
   
908  /* Get the next UTF-32 character, not advancing the pointer. This is called when  /* Get the next UTF-32 character, not advancing the pointer. This is called when
909  we know we are in UTF-32 mode. */  we know we are in UTF-32 mode. */
910    
911  #define GETCHAR(c, eptr) \  #define GETCHAR(c, eptr) \
912    c = (*eptr) & UTF32_MASK;    c = *(eptr);
913    
914  /* Get the next UTF-32 character, testing for UTF-32 mode, and not advancing the  /* Get the next UTF-32 character, testing for UTF-32 mode, and not advancing the
915  pointer. */  pointer. */
916    
917  #define GETCHARTEST(c, eptr) \  #define GETCHARTEST(c, eptr) \
918    c = *eptr; \    c = *(eptr);
   if (utf) c &= UTF32_MASK;  
919    
920  /* Get the next UTF-32 character, advancing the pointer. This is called when we  /* Get the next UTF-32 character, advancing the pointer. This is called when we
921  know we are in UTF-32 mode. */  know we are in UTF-32 mode. */
922    
923  #define GETCHARINC(c, eptr) \  #define GETCHARINC(c, eptr) \
924    c = (*eptr++) & UTF32_MASK;    c = *((eptr)++);
925    
926  /* Get the next character, testing for UTF-32 mode, and advancing the pointer.  /* 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. */  This is called when we don't know if we are in UTF-32 mode. */
928    
929  #define GETCHARINCTEST(c, eptr) \  #define GETCHARINCTEST(c, eptr) \
930    c = *eptr++; \    c = *((eptr)++);
   if (utf) c &= UTF32_MASK;  
931    
932  /* Get the next UTF-32 character, not advancing the pointer, not incrementing  /* 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  length (since all UTF-32 is of length 1). This is called when we know we are in
# Line 968  This is called when we do not know if we Line 943  This is called when we do not know if we
943  #define GETCHARLENTEST(c, eptr, len) \  #define GETCHARLENTEST(c, eptr, len) \
944    GETCHARTEST(c, eptr)    GETCHARTEST(c, eptr)
945    
 /* Returns the next uchar, not advancing the pointer. This is called when  
 we know we are in UTF mode. */  
   
 #define RAWUCHAR(eptr) \  
   (*(eptr) & UTF32_MASK)  
   
 /* Returns the next uchar, advancing the pointer. This is called when  
 we know we are in UTF mode. */  
   
 #define RAWUCHARINC(eptr) \  
   (*(eptr)++ & UTF32_MASK)  
   
 /* Returns the next uchar, testing for UTF mode, and not advancing the  
 pointer. */  
   
 #define RAWUCHARTEST(eptr) \  
   (utf ? (*(eptr) & UTF32_MASK) : *(eptr))  
   
 /* Returns the next uchar, testing for UTF mode, advancing the  
 pointer. */  
   
 #define RAWUCHARINCTEST(eptr) \  
   (utf ? (*(eptr)++ & UTF32_MASK) : *(eptr)++)  
   
946  /* If the pointer is not at the start of a character, move it back until  /* If the pointer is not at the start of a character, move it back until
947  it is. This is called only in UTF-32 mode - we don't put a test within the  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  macro because almost all calls are already within a block of UTF-32 only
949  code.  code.
950  These are all no-ops since all UTF-32 characters fit into one pcre_uchar. */  These are all no-ops since all UTF-32 characters fit into one pcre_uchar. */
951    
952  #define BACKCHAR(eptr) do { } while (0)  #define BACKCHAR(eptr) do { } while (0)
# Line 1022  are defined. Line 973  are defined.
973  These values are also required as lists in pcre_compile.c when processing \h,  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  \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  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  together. The lists must be in ascending character order, terminated by
977  NOTACHAR (which is 0xffffffff).  NOTACHAR (which is 0xffffffff).
978    
979  Any changes should ensure that the various macros are kept in step with each  Any changes should ensure that the various macros are kept in step with each
# Line 1036  other. NOTE: The values also appear in p Line 987  other. NOTE: The values also appear in p
987    CHAR_HT, CHAR_SPACE, 0xa0, \    CHAR_HT, CHAR_SPACE, 0xa0, \
988    0x1680, 0x180e, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, \    0x1680, 0x180e, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, \
989    0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202f, 0x205f, 0x3000, \    0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202f, 0x205f, 0x3000, \
990    NOTACHAR    NOTACHAR
991    
992  #define HSPACE_MULTIBYTE_CASES \  #define HSPACE_MULTIBYTE_CASES \
993    case 0x1680:  /* OGHAM SPACE MARK */ \    case 0x1680:  /* OGHAM SPACE MARK */ \
# Line 1060  other. NOTE: The values also appear in p Line 1011  other. NOTE: The values also appear in p
1011    case CHAR_HT: \    case CHAR_HT: \
1012    case CHAR_SPACE: \    case CHAR_SPACE: \
1013    case 0xa0     /* NBSP */    case 0xa0     /* NBSP */
1014    
1015  #define HSPACE_CASES \  #define HSPACE_CASES \
1016    HSPACE_BYTE_CASES: \    HSPACE_BYTE_CASES: \
1017    HSPACE_MULTIBYTE_CASES    HSPACE_MULTIBYTE_CASES
1018    
1019  #define VSPACE_LIST \  #define VSPACE_LIST \
1020    CHAR_LF, CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, 0x2028, 0x2029, NOTACHAR    CHAR_LF, CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, 0x2028, 0x2029, NOTACHAR
1021    
1022  #define VSPACE_MULTIBYTE_CASES \  #define VSPACE_MULTIBYTE_CASES \
1023    case 0x2028:    /* LINE SEPARATOR */ \    case 0x2028:    /* LINE SEPARATOR */ \
# Line 1096  other. NOTE: The values also appear in p Line 1047  other. NOTE: The values also appear in p
1047    
1048  #ifdef EBCDIC_NL25  #ifdef EBCDIC_NL25
1049  #define VSPACE_LIST \  #define VSPACE_LIST \
1050    CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, CHAR_LF, NOTACHAR    CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, CHAR_LF, NOTACHAR
1051  #else  #else
1052  #define VSPACE_LIST \  #define VSPACE_LIST \
1053    CHAR_VT, CHAR_FF, CHAR_CR, CHAR_LF, CHAR_NEL, NOTACHAR    CHAR_VT, CHAR_FF, CHAR_CR, CHAR_LF, CHAR_NEL, NOTACHAR
1054  #endif  #endif
1055    
1056  #define VSPACE_BYTE_CASES \  #define VSPACE_BYTE_CASES \
1057    case CHAR_LF: \    case CHAR_LF: \
# Line 1117  other. NOTE: The values also appear in p Line 1068  other. NOTE: The values also appear in p
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  #define PCRE_MODE8         0x0001  /* compiled in 8 bit mode */  #define PCRE_MODE8         0x00000001  /* compiled in 8 bit mode */
1078  #define PCRE_MODE16        0x0002  /* compiled in 16 bit mode */  #define PCRE_MODE16        0x00000002  /* compiled in 16 bit mode */
1079  #define PCRE_MODE32        0x0004  /* compiled in 32 bit mode */  #define PCRE_MODE32        0x00000004  /* compiled in 32 bit mode */
1080  #define PCRE_FIRSTSET      0x0010  /* first_char is set */  #define PCRE_FIRSTSET      0x00000010  /* first_char is set */
1081  #define PCRE_FCH_CASELESS  0x0020  /* caseless first char */  #define PCRE_FCH_CASELESS  0x00000020  /* caseless first char */
1082  #define PCRE_REQCHSET      0x0040  /* req_byte is set */  #define PCRE_REQCHSET      0x00000040  /* req_byte is set */
1083  #define PCRE_RCH_CASELESS  0x0080  /* caseless requested char */  #define PCRE_RCH_CASELESS  0x00000080  /* caseless requested char */
1084  #define PCRE_STARTLINE     0x0100  /* start after \n for multiline */  #define PCRE_STARTLINE     0x00000100  /* start after \n for multiline */
1085  #define PCRE_NOPARTIAL     0x0200  /* can't use partial with this regex */  #define PCRE_NOPARTIAL     0x00000200  /* can't use partial with this regex */
1086  #define PCRE_JCHANGED      0x0400  /* j option used in regex */  #define PCRE_JCHANGED      0x00000400  /* j option used in regex */
1087  #define PCRE_HASCRORLF     0x0800  /* explicit \r or \n in pattern */  #define PCRE_HASCRORLF     0x00000800  /* explicit \r or \n in pattern */
1088  #define PCRE_HASTHEN       0x1000  /* pattern contains (*THEN) */  #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  #if defined COMPILE_PCRE8
1094  #define PCRE_MODE          PCRE_MODE8  #define PCRE_MODE          PCRE_MODE8
# Line 1158  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 1177  time, run time, or study time, respectiv Line 1133  time, run time, or study time, respectiv
1133     (PCRE_STUDY_JIT_COMPILE|PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE| \     (PCRE_STUDY_JIT_COMPILE|PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE| \
1134      PCRE_STUDY_JIT_PARTIAL_HARD_COMPILE|PCRE_STUDY_EXTRA_NEEDED)      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    
1142  #define MAGIC_NUMBER  0x50435245UL   /* 'PCRE' */  #define MAGIC_NUMBER  0x50435245UL   /* 'PCRE' */
# Line 1280  a positive value. */ Line 1240  a positive value. */
1240    
1241  /* The remaining definitions work in both environments. */  /* 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'
# Line 1511  a positive value. */ Line 1472  a positive value. */
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  #ifdef COMPILE_PCRE32  #define STRING_NO_START_OPT_RIGHTPAR    "NO_START_OPT)"
1492  #define STRING_UTF_RIGHTPAR            "UTF32)"  #define STRING_LIMIT_MATCH_EQ           "LIMIT_MATCH="
1493  #endif  #define STRING_LIMIT_RECURSION_EQ       "LIMIT_RECURSION="
 #define STRING_UCP_RIGHTPAR            "UCP)"  
 #define STRING_NO_START_OPT_RIGHTPAR   "NO_START_OPT)"  
1494    
1495  #else  /* SUPPORT_UTF */  #else  /* SUPPORT_UTF */
1496    
# Line 1549  only. */ Line 1510  only. */
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 1776  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  #ifdef COMPILE_PCRE32  #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_UTF_RIGHTPAR            STR_U STR_T STR_F STR_3 STR_2 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  #endif  #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
 #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  
1760    
1761  #endif  /* SUPPORT_UTF */  #endif  /* SUPPORT_UTF */
1762    
1763  /* Escape items that are just an encoding of a particular data value. */  /* Escape items that are just an encoding of a particular data value. */
1764    
1765    #ifndef ESC_a
1766    #define ESC_a CHAR_BEL
1767    #endif
1768    
1769  #ifndef ESC_e  #ifndef ESC_e
1770  #define ESC_e CHAR_ESC  #define ESC_e CHAR_ESC
1771  #endif  #endif
# Line 1835  only. */ Line 1801  only. */
1801  #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 */
1802  #define PT_WORD       8    /* Word - L plus N plus underscore */  #define PT_WORD       8    /* Word - L plus N plus underscore */
1803  #define PT_CLIST      9    /* Pseudo-property: match character list */  #define PT_CLIST      9    /* Pseudo-property: match character list */
1804    #define PT_UCNC      10    /* Universal Character nameable character */
1805    #define PT_TABSIZE   11    /* Size of square table for autopossessify tests */
1806    
1807    /* The following special properties are used only in XCLASS items, when POSIX
1808    classes are specified and PCRE_UCP is set - in other words, for Unicode
1809    handling of these classes. They are not available via the \p or \P escapes like
1810    those in the above list, and so they do not take part in the autopossessifying
1811    table. */
1812    
1813    #define PT_PXGRAPH   11    /* [:graph:] - characters that mark the paper */
1814    #define PT_PXPRINT   12    /* [:print:] - [:graph:] plus non-control spaces */
1815    #define PT_PXPUNCT   13    /* [:punct:] - punctuation characters */
1816    
1817  /* 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
1818  contain characters with values greater than 255. */  contain characters with values greater than 255. */
1819    
1820  #define XCL_NOT    0x01    /* Flag: this is a negative class */  #define XCL_NOT       0x01    /* Flag: this is a negative class */
1821  #define XCL_MAP    0x02    /* Flag: a 32-byte map is present */  #define XCL_MAP       0x02    /* Flag: a 32-byte map is present */
1822    #define XCL_HASPROP   0x04    /* Flag: property checks are present. */
1823    
1824  #define XCL_END       0    /* Marks end of individual items */  #define XCL_END       0    /* Marks end of individual items */
1825  #define XCL_SINGLE    1    /* Single item (one multibyte char) follows */  #define XCL_SINGLE    1    /* Single item (one multibyte char) follows */
# Line 1849  contain characters with values greater t Line 1828  contain characters with values greater t
1828  #define XCL_NOTPROP   4    /* Unicode inverted property (ditto) */  #define XCL_NOTPROP   4    /* Unicode inverted property (ditto) */
1829    
1830  /* 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
1831  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
1832  0 for a data character.  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
1833  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
1834  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
1835  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
1836  non-DOTALL mode, "." behaves like \N.  non-DOTALL mode, "." behaves like \N.
# Line 1874  enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, E Line 1853  enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, E
1853         ESC_E, ESC_Q, ESC_g, ESC_k,         ESC_E, ESC_Q, ESC_g, ESC_k,
1854         ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu };         ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu };
1855    
 /* 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.  
1856    
1857  *** NOTE NOTE NOTE *** Whenever this list is updated, the two macro definitions  /********************** Opcode definitions ******************/
1858  that follow must also be updated to match. There are also tables called  
1859  "coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */  /****** NOTE NOTE NOTE ******
1860    
1861    Starting from 1 (i.e. after OP_END), the values up to OP_EOD must correspond in
1862    order to the list of escapes immediately above. Furthermore, values up to
1863    OP_DOLLM must not be changed without adjusting the table called autoposstab in
1864    pcre_compile.c
1865    
1866    Whenever this list is updated, the two macro definitions that follow must be
1867    updated to match. The possessification table called "opcode_possessify" in
1868    pcre_compile.c must also be updated, and also the tables called "coptable"
1869    and "poptable" in pcre_dfa_exec.c.
1870    
1871    ****** NOTE NOTE NOTE ******/
1872    
1873    
1874    /* The values between FIRST_AUTOTAB_OP and LAST_AUTOTAB_RIGHT_OP, inclusive,
1875    are used in a table for deciding whether a repeated character type can be
1876    auto-possessified. */
1877    
1878    #define FIRST_AUTOTAB_OP       OP_NOT_DIGIT
1879    #define LAST_AUTOTAB_LEFT_OP   OP_EXTUNI
1880    #define LAST_AUTOTAB_RIGHT_OP  OP_DOLLM
1881    
1882  enum {  enum {
1883    OP_END,            /* 0 End of pattern */    OP_END,            /* 0 End of pattern */
# Line 1912  enum { Line 1910  enum {
1910    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) */
1911    OP_EOD,            /* 24 End of data (\z) */    OP_EOD,            /* 24 End of data (\z) */
1912    
1913    OP_CIRC,           /* 25 Start of line - not multiline */    /* Line end assertions */
1914    OP_CIRCM,          /* 26 Start of line - multiline */  
1915    OP_DOLL,           /* 27 End of line - not multiline */    OP_DOLL,           /* 25 End of line - not multiline */
1916    OP_DOLLM,          /* 28 End of line - multiline */    OP_DOLLM,          /* 26 End of line - multiline */
1917      OP_CIRC,           /* 27 Start of line - not multiline */
1918      OP_CIRCM,          /* 28 Start of line - multiline */
1919    
1920      /* Single characters; caseful must precede the caseless ones */
1921    
1922    OP_CHAR,           /* 29 Match one character, casefully */    OP_CHAR,           /* 29 Match one character, casefully */
1923    OP_CHARI,          /* 30 Match one character, caselessly */    OP_CHARI,          /* 30 Match one character, caselessly */
1924    OP_NOT,            /* 31 Match one character, not the given one, casefully */    OP_NOT,            /* 31 Match one character, not the given one, casefully */
# Line 1924  enum { Line 1927  enum {
1927    /* 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
1928    the offset from the first one is used to generate the others. */    the offset from the first one is used to generate the others. */
1929    
1930    /**** Single characters, caseful, must precede the caseless ones ****/    /* Repeated characters; caseful must precede the caseless ones */
1931    
1932    OP_STAR,           /* 33 The maximizing and minimizing versions of */    OP_STAR,           /* 33 The maximizing and minimizing versions of */
1933    OP_MINSTAR,        /* 34 these six opcodes must come in pairs, with */    OP_MINSTAR,        /* 34 these six opcodes must come in pairs, with */
# Line 1942  enum { Line 1945  enum {
1945    OP_POSQUERY,       /* 44 Posesssified query, caseful */    OP_POSQUERY,       /* 44 Posesssified query, caseful */
1946    OP_POSUPTO,        /* 45 Possessified upto, caseful */    OP_POSUPTO,        /* 45 Possessified upto, caseful */
1947    
1948    /**** Single characters, caseless, must follow the caseful ones */    /* Repeated characters; caseless must follow the caseful ones */
1949    
1950    OP_STARI,          /* 46 */    OP_STARI,          /* 46 */
1951    OP_MINSTARI,       /* 47 */    OP_MINSTARI,       /* 47 */
# Line 1960  enum { Line 1963  enum {
1963    OP_POSQUERYI,      /* 57 Posesssified query, caseless */    OP_POSQUERYI,      /* 57 Posesssified query, caseless */
1964    OP_POSUPTOI,       /* 58 Possessified upto, caseless */    OP_POSUPTOI,       /* 58 Possessified upto, caseless */
1965    
1966    /**** The negated ones must follow the non-negated ones, and match them ****/    /* The negated ones must follow the non-negated ones, and match them */
1967    /**** Negated single character, caseful; must precede the caseless ones ****/    /* Negated repeated character, caseful; must precede the caseless ones */
1968    
1969    OP_NOTSTAR,        /* 59 The maximizing and minimizing versions of */    OP_NOTSTAR,        /* 59 The maximizing and minimizing versions of */
1970    OP_NOTMINSTAR,     /* 60 these six opcodes must come in pairs, with */    OP_NOTMINSTAR,     /* 60 these six opcodes must come in pairs, with */
# Line 1979  enum { Line 1982  enum {
1982    OP_NOTPOSQUERY,    /* 70 */    OP_NOTPOSQUERY,    /* 70 */
1983    OP_NOTPOSUPTO,     /* 71 */    OP_NOTPOSUPTO,     /* 71 */
1984    
1985    /**** Negated single character, caseless; must follow the caseful ones ****/    /* Negated repeated character, caseless; must follow the caseful ones */
1986    
1987    OP_NOTSTARI,       /* 72 */    OP_NOTSTARI,       /* 72 */
1988    OP_NOTMINSTARI,    /* 73 */    OP_NOTMINSTARI,    /* 73 */
# Line 1997  enum { Line 2000  enum {
2000    OP_NOTPOSQUERYI,   /* 83 */    OP_NOTPOSQUERYI,   /* 83 */
2001    OP_NOTPOSUPTOI,    /* 84 */    OP_NOTPOSUPTOI,    /* 84 */
2002    
2003    /**** Character types ****/    /* Character types */
2004    
2005    OP_TYPESTAR,       /* 85 The maximizing and minimizing versions of */    OP_TYPESTAR,       /* 85 The maximizing and minimizing versions of */
2006    OP_TYPEMINSTAR,    /* 86 these six opcodes must come in pairs, with */    OP_TYPEMINSTAR,    /* 86 these six opcodes must come in pairs, with */
# Line 2028  enum { Line 2031  enum {
2031    OP_CRRANGE,        /* 104 These are different to the three sets above. */    OP_CRRANGE,        /* 104 These are different to the three sets above. */
2032    OP_CRMINRANGE,     /* 105 */    OP_CRMINRANGE,     /* 105 */
2033    
2034      OP_CRPOSSTAR,      /* 106 Possessified versions */
2035      OP_CRPOSPLUS,      /* 107 */
2036      OP_CRPOSQUERY,     /* 108 */
2037      OP_CRPOSRANGE,     /* 109 */
2038    
2039    /* End of quantifier opcodes */    /* End of quantifier opcodes */
2040    
2041    OP_CLASS,          /* 106 Match a character class, chars < 256 only */    OP_CLASS,          /* 110 Match a character class, chars < 256 only */
2042    OP_NCLASS,         /* 107 Same, but the bitmap was created from a negative    OP_NCLASS,         /* 111 Same, but the bitmap was created from a negative
2043                                class - the difference is relevant only when a                                class - the difference is relevant only when a
2044                                character > 255 is encountered. */                                character > 255 is encountered. */
2045    OP_XCLASS,         /* 108 Extended class for handling > 255 chars within the    OP_XCLASS,         /* 112 Extended class for handling > 255 chars within the
2046                                class. This does both positive and negative. */                                class. This does both positive and negative. */
2047    OP_REF,            /* 109 Match a back reference, casefully */    OP_REF,            /* 113 Match a back reference, casefully */
2048    OP_REFI,           /* 110 Match a back reference, caselessly */    OP_REFI,           /* 114 Match a back reference, caselessly */
2049    OP_RECURSE,        /* 111 Match a numbered subpattern (possibly recursive) */    OP_DNREF,          /* 115 Match a duplicate name backref, casefully */
2050    OP_CALLOUT,        /* 112 Call out to external function if provided */    OP_DNREFI,         /* 116 Match a duplicate name backref, caselessly */
2051      OP_RECURSE,        /* 117 Match a numbered subpattern (possibly recursive) */
2052    OP_ALT,            /* 113 Start of alternation */    OP_CALLOUT,        /* 118 Call out to external function if provided */
2053    OP_KET,            /* 114 End of group that doesn't have an unbounded repeat */  
2054    OP_KETRMAX,        /* 115 These two must remain together and in this */    OP_ALT,            /* 119 Start of alternation */
2055    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 */
2056    OP_KETRPOS,        /* 117 Possessive unlimited repeat. */    OP_KETRMAX,        /* 121 These two must remain together and in this */
2057      OP_KETRMIN,        /* 122 order. They are for groups the repeat for ever. */
2058      OP_KETRPOS,        /* 123 Possessive unlimited repeat. */
2059    
2060    /* 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
2061    asserts must remain in order. */    asserts must remain in order. */
2062    
2063    OP_REVERSE,        /* 118 Move pointer back - used in lookbehind assertions */    OP_REVERSE,        /* 124 Move pointer back - used in lookbehind assertions */
2064    OP_ASSERT,         /* 119 Positive lookahead */    OP_ASSERT,         /* 125 Positive lookahead */
2065    OP_ASSERT_NOT,     /* 120 Negative lookahead */    OP_ASSERT_NOT,     /* 126 Negative lookahead */
2066    OP_ASSERTBACK,     /* 121 Positive lookbehind */    OP_ASSERTBACK,     /* 127 Positive lookbehind */
2067    OP_ASSERTBACK_NOT, /* 122 Negative lookbehind */    OP_ASSERTBACK_NOT, /* 128 Negative lookbehind */
2068    
2069    /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately    /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately
2070    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
2071    subpattern that isn't an assertion. The POS versions must immediately follow    subpattern that isn't an assertion. The POS versions must immediately follow
2072    the non-POS versions in each case. */    the non-POS versions in each case. */
2073    
2074    OP_ONCE,           /* 123 Atomic group, contains captures */    OP_ONCE,           /* 129 Atomic group, contains captures */
2075    OP_ONCE_NC,        /* 124 Atomic group containing no captures */    OP_ONCE_NC,        /* 130 Atomic group containing no captures */
2076    OP_BRA,            /* 125 Start of non-capturing bracket */    OP_BRA,            /* 131 Start of non-capturing bracket */
2077    OP_BRAPOS,         /* 126 Ditto, with unlimited, possessive repeat */    OP_BRAPOS,         /* 132 Ditto, with unlimited, possessive repeat */
2078    OP_CBRA,           /* 127 Start of capturing bracket */    OP_CBRA,           /* 133 Start of capturing bracket */
2079    OP_CBRAPOS,        /* 128 Ditto, with unlimited, possessive repeat */    OP_CBRAPOS,        /* 134 Ditto, with unlimited, possessive repeat */
2080    OP_COND,           /* 129 Conditional group */    OP_COND,           /* 135 Conditional group */
2081    
2082    /* 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
2083    check for >= SBRA to distinguish the two sets. */    check for >= SBRA to distinguish the two sets. */
2084    
2085    OP_SBRA,           /* 130 Start of non-capturing bracket, check empty  */    OP_SBRA,           /* 136 Start of non-capturing bracket, check empty  */
2086    OP_SBRAPOS,        /* 131 Ditto, with unlimited, possessive repeat */    OP_SBRAPOS,        /* 137 Ditto, with unlimited, possessive repeat */
2087    OP_SCBRA,          /* 132 Start of capturing bracket, check empty */    OP_SCBRA,          /* 138 Start of capturing bracket, check empty */
2088    OP_SCBRAPOS,       /* 133 Ditto, with unlimited, possessive repeat */    OP_SCBRAPOS,       /* 139 Ditto, with unlimited, possessive repeat */
2089    OP_SCOND,          /* 134 Conditional group, check empty */    OP_SCOND,          /* 140 Conditional group, check empty */
2090    
2091    /* The next two pairs must (respectively) be kept together. */    /* The next two pairs must (respectively) be kept together. */
2092    
2093    OP_CREF,           /* 135 Used to hold a capture number as condition */    OP_CREF,           /* 141 Used to hold a capture number as condition */
2094    OP_NCREF,          /* 136 Same, but generated by a name reference*/    OP_DNCREF,         /* 142 Used to point to duplicate names as a condition */
2095    OP_RREF,           /* 137 Used to hold a recursion number as condition */    OP_RREF,           /* 143 Used to hold a recursion number as condition */
2096    OP_NRREF,          /* 138 Same, but generated by a name reference*/    OP_DNRREF,         /* 144 Used to point to duplicate names as a condition */
2097    OP_DEF,            /* 139 The DEFINE condition */    OP_DEF,            /* 145 The DEFINE condition */
2098    
2099    OP_BRAZERO,        /* 140 These two must remain together and in this */    OP_BRAZERO,        /* 146 These two must remain together and in this */
2100    OP_BRAMINZERO,     /* 141 order. */    OP_BRAMINZERO,     /* 147 order. */
2101    OP_BRAPOSZERO,     /* 142 */    OP_BRAPOSZERO,     /* 148 */
2102    
2103    /* These are backtracking control verbs */    /* These are backtracking control verbs */
2104    
2105    OP_MARK,           /* 143 always has an argument */    OP_MARK,           /* 149 always has an argument */
2106    OP_PRUNE,          /* 144 */    OP_PRUNE,          /* 150 */
2107    OP_PRUNE_ARG,      /* 145 same, but with argument */    OP_PRUNE_ARG,      /* 151 same, but with argument */
2108    OP_SKIP,           /* 146 */    OP_SKIP,           /* 152 */
2109    OP_SKIP_ARG,       /* 147 same, but with argument */    OP_SKIP_ARG,       /* 153 same, but with argument */
2110    OP_THEN,           /* 148 */    OP_THEN,           /* 154 */
2111    OP_THEN_ARG,       /* 149 same, but with argument */    OP_THEN_ARG,       /* 155 same, but with argument */
2112    OP_COMMIT,         /* 150 */    OP_COMMIT,         /* 156 */
2113    
2114    /* These are forced failure and success verbs */    /* These are forced failure and success verbs */
2115    
2116    OP_FAIL,           /* 151 */    OP_FAIL,           /* 157 */
2117    OP_ACCEPT,         /* 152 */    OP_ACCEPT,         /* 158 */
2118    OP_ASSERT_ACCEPT,  /* 153 Used inside assertions */    OP_ASSERT_ACCEPT,  /* 159 Used inside assertions */
2119    OP_CLOSE,          /* 154 Used before OP_ACCEPT to close open captures */    OP_CLOSE,          /* 160 Used before OP_ACCEPT to close open captures */
2120    
2121    /* This is used to skip a subpattern with a {0} quantifier */    /* This is used to skip a subpattern with a {0} quantifier */
2122    
2123    OP_SKIPZERO,       /* 155 */    OP_SKIPZERO,       /* 161 */
2124    
2125    /* 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
2126    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 2121  enum { Line 2131  enum {
2131    
2132  /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro  /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro
2133  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
2134  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
2135    pcre_dfa_exec.c that must be updated. */
2136    
2137    
2138  /* 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 2134  some cases doesn't actually use these na Line 2145  some cases doesn't actually use these na
2145    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \
2146    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \
2147    "extuni",  "\\Z", "\\z",                                        \    "extuni",  "\\Z", "\\z",                                        \
2148    "^", "^", "$", "$", "char", "chari", "not", "noti",             \    "$", "$", "^", "^", "char", "chari", "not", "noti",             \
2149    "*", "*?", "+", "+?", "?", "??",                                \    "*", "*?", "+", "+?", "?", "??",                                \
2150    "{", "{", "{",                                                  \    "{", "{", "{",                                                  \
2151    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
# Line 2150  some cases doesn't actually use these na Line 2161  some cases doesn't actually use these na
2161    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \
2162    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
2163    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \
2164    "class", "nclass", "xclass", "Ref", "Refi",                     \    "*+","++", "?+", "{",                                           \
2165      "class", "nclass", "xclass", "Ref", "Refi", "DnRef", "DnRefi",  \
2166    "Recurse", "Callout",                                           \    "Recurse", "Callout",                                           \
2167    "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos",                  \    "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos",                  \
2168    "Reverse", "Assert", "Assert not", "AssertB", "AssertB not",    \    "Reverse", "Assert", "Assert not", "AssertB", "AssertB not",    \
# Line 2159  some cases doesn't actually use these na Line 2171  some cases doesn't actually use these na
2171    "Cond",                                                         \    "Cond",                                                         \
2172    "SBra", "SBraPos", "SCBra", "SCBraPos",                         \    "SBra", "SBraPos", "SCBra", "SCBraPos",                         \
2173    "SCond",                                                        \    "SCond",                                                        \
2174    "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def",   \    "Cond ref", "Cond dnref", "Cond rec", "Cond dnrec", "Cond def", \
2175    "Brazero", "Braminzero", "Braposzero",                          \    "Brazero", "Braminzero", "Braposzero",                          \
2176    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \
2177    "*THEN", "*THEN", "*COMMIT", "*FAIL",                           \    "*THEN", "*THEN", "*COMMIT", "*FAIL",                           \
# Line 2184  in UTF-8 mode. The code that uses this t Line 2196  in UTF-8 mode. The code that uses this t
2196    3, 3,                          /* \P, \p                                 */ \    3, 3,                          /* \P, \p                                 */ \
2197    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \
2198    1,                             /* \X                                     */ \    1,                             /* \X                                     */ \
2199    1, 1, 1, 1, 1, 1,              /* \Z, \z, ^, ^M, $, $M                   */ \    1, 1, 1, 1, 1, 1,              /* \Z, \z, $, $M ^, ^M                    */ \
2200    2,                             /* Char  - the minimum length             */ \    2,                             /* Char  - the minimum length             */ \
2201    2,                             /* Chari  - the minimum length            */ \    2,                             /* Chari  - the minimum length            */ \
2202    2,                             /* not                                    */ \    2,                             /* not                                    */ \
# Line 2215  in UTF-8 mode. The code that uses this t Line 2227  in UTF-8 mode. The code that uses this t
2227    /* Character class & ref repeats                                         */ \    /* Character class & ref repeats                                         */ \
2228    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \
2229    1+2*IMM2_SIZE, 1+2*IMM2_SIZE,  /* CRRANGE, CRMINRANGE                    */ \    1+2*IMM2_SIZE, 1+2*IMM2_SIZE,  /* CRRANGE, CRMINRANGE                    */ \
2230      1, 1, 1, 1+2*IMM2_SIZE,        /* Possessive *+, ++, ?+, CRPOSRANGE      */ \
2231    1+(32/sizeof(pcre_uchar)),     /* CLASS                                  */ \    1+(32/sizeof(pcre_uchar)),     /* CLASS                                  */ \
2232    1+(32/sizeof(pcre_uchar)),     /* NCLASS                                 */ \    1+(32/sizeof(pcre_uchar)),     /* NCLASS                                 */ \
2233    0,                             /* XCLASS - variable length               */ \    0,                             /* XCLASS - variable length               */ \
2234    1+IMM2_SIZE,                   /* REF                                    */ \    1+IMM2_SIZE,                   /* REF                                    */ \
2235    1+IMM2_SIZE,                   /* REFI                                   */ \    1+IMM2_SIZE,                   /* REFI                                   */ \
2236      1+2*IMM2_SIZE,                 /* DNREF                                  */ \
2237      1+2*IMM2_SIZE,                 /* DNREFI                                 */ \
2238    1+LINK_SIZE,                   /* RECURSE                                */ \    1+LINK_SIZE,                   /* RECURSE                                */ \
2239    2+2*LINK_SIZE,                 /* CALLOUT                                */ \    2+2*LINK_SIZE,                 /* CALLOUT                                */ \
2240    1+LINK_SIZE,                   /* Alt                                    */ \    1+LINK_SIZE,                   /* Alt                                    */ \
# Line 2244  in UTF-8 mode. The code that uses this t Line 2259  in UTF-8 mode. The code that uses this t
2259    1+LINK_SIZE+IMM2_SIZE,         /* SCBRA                                  */ \    1+LINK_SIZE+IMM2_SIZE,         /* SCBRA                                  */ \
2260    1+LINK_SIZE+IMM2_SIZE,         /* SCBRAPOS                               */ \    1+LINK_SIZE+IMM2_SIZE,         /* SCBRAPOS                               */ \
2261    1+LINK_SIZE,                   /* SCOND                                  */ \    1+LINK_SIZE,                   /* SCOND                                  */ \
2262    1+IMM2_SIZE, 1+IMM2_SIZE,      /* CREF, NCREF                            */ \    1+IMM2_SIZE, 1+2*IMM2_SIZE,    /* CREF, DNCREF                           */ \
2263    1+IMM2_SIZE, 1+IMM2_SIZE,      /* RREF, NRREF                            */ \    1+IMM2_SIZE, 1+2*IMM2_SIZE,    /* RREF, DNRREF                           */ \
2264    1,                             /* DEF                                    */ \    1,                             /* DEF                                    */ \
2265    1, 1, 1,                       /* BRAZERO, BRAMINZERO, BRAPOSZERO        */ \    1, 1, 1,                       /* BRAZERO, BRAMINZERO, BRAPOSZERO        */ \
2266    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \
# Line 2254  in UTF-8 mode. The code that uses this t Line 2269  in UTF-8 mode. The code that uses this t
2269    1, 1, 1, 1,                    /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT    */ \    1, 1, 1, 1,                    /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT    */ \
2270    1+IMM2_SIZE, 1                 /* CLOSE, SKIPZERO                        */    1+IMM2_SIZE, 1                 /* CLOSE, SKIPZERO                        */
2271    
2272  /* 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. */  
2273    
2274  #define RREF_ANY  0xffff  #define RREF_ANY  0xffff
2275    
# Line 2270  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4, Line 2284  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4,
2284         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,
2285         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,
2286         ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,         ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,
2287         ERR70, ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERRCOUNT };         ERR70, ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERR78, ERR79,
2288           ERR80, ERR81, ERR82, ERR83, ERR84, ERR85, ERR86, ERRCOUNT };
2289    
2290  /* JIT compiling modes. The function list is indexed by them. */  /* JIT compiling modes. The function list is indexed by them. */
2291    
2292  enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COMPILE, JIT_PARTIAL_HARD_COMPILE,  enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COMPILE, JIT_PARTIAL_HARD_COMPILE,
2293         JIT_NUMBER_OF_COMPILE_MODES };         JIT_NUMBER_OF_COMPILE_MODES };
2294    
# Line 2280  enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COM Line 2296  enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COM
2296  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
2297  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
2298  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
2299  be well. For the case of compiled-on-4 and run-on-8, we include an extra  be well.
 pointer that is always NULL. For future-proofing, a few dummy fields were  
 originally included - even though you can never get this planning right - but  
 there is only one left now.  
   
 NOTE NOTE NOTE:  
 Because people can now save and re-use compiled patterns, any additions to this  
 structure should be made at the end, and something earlier (e.g. a new  
 flag in the options or one of the dummy fields) should indicate that the new  
 fields are present. Currently PCRE always sets the dummy fields to zero.  
 NOTE NOTE NOTE  
 */  
   
 #if defined COMPILE_PCRE8  
 #define REAL_PCRE real_pcre  
 #elif defined COMPILE_PCRE16  
 #define REAL_PCRE real_pcre16  
 #elif defined COMPILE_PCRE32  
 #define REAL_PCRE real_pcre32  
 #endif  
2300    
2301  /* It is necessary to fork the struct for 32 bit, since it needs to use  The size of the structure must be a multiple of 8 bytes. For the case of
2302   * pcre_uchar for first_char and req_char. Can't put an ifdef inside the  compiled-on-4 and run-on-8, we include an extra pointer that is always NULL so
2303   * typedef since pcretest needs access to  the struct of the 8-, 16-  that there are an even number of pointers which therefore are a multiple of 8
2304   * and 32-bit variants. */  bytes.
2305    
2306    It is necessary to fork the struct for the 32 bit library, since it needs to
2307    use pcre_uint32 for first_char and req_char. We can't put an ifdef inside the
2308    typedef because pcretest needs access to the struct of the 8-, 16- and 32-bit
2309    variants.
2310    
2311    *** WARNING ***
2312    When new fields are added to these structures, remember to adjust the code in
2313    pcre_byte_order.c that is concerned with swapping the byte order of the fields
2314    when a compiled regex is reloaded on a host with different endianness.
2315    *** WARNING ***
2316    There is also similar byte-flipping code in pcretest.c, which is used for
2317    testing the byte-flipping features. It must also be kept in step.
2318    *** WARNING ***
2319    */
2320    
2321  typedef struct real_pcre8_or_16 {  typedef struct real_pcre8_or_16 {
2322    pcre_uint32 magic_number;    pcre_uint32 magic_number;
2323    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
2324    pcre_uint32 options;            /* Public options */    pcre_uint32 options;            /* Public options */
2325    pcre_uint16 flags;              /* Private flags */    pcre_uint32 flags;              /* Private flags */
2326      pcre_uint32 limit_match;        /* Limit set from regex */
2327      pcre_uint32 limit_recursion;    /* Limit set from regex */
2328      pcre_uint16 first_char;         /* Starting character */
2329      pcre_uint16 req_char;           /* This character must be seen */
2330    pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */    pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */
2331    pcre_uint16 top_bracket;        /* Highest numbered group */    pcre_uint16 top_bracket;        /* Highest numbered group */
2332    pcre_uint16 top_backref;        /* Highest numbered back reference */    pcre_uint16 top_backref;        /* Highest numbered back reference */
   pcre_uint16 first_char;         /* Starting character */  
   pcre_uint16 req_char;           /* This character must be seen */  
2333    pcre_uint16 name_table_offset;  /* Offset to name table that follows */    pcre_uint16 name_table_offset;  /* Offset to name table that follows */
2334    pcre_uint16 name_entry_size;    /* Size of any name items */    pcre_uint16 name_entry_size;    /* Size of any name items */
2335    pcre_uint16 name_count;         /* Number of name items */    pcre_uint16 name_count;         /* Number of name items */
2336    pcre_uint16 ref_count;          /* Reference count */    pcre_uint16 ref_count;          /* Reference count */
2337      pcre_uint16 dummy1;             /* To ensure size is a multiple of 8 */
2338      pcre_uint16 dummy2;             /* To ensure size is a multiple of 8 */
2339      pcre_uint16 dummy3;             /* To ensure size is a multiple of 8 */
2340    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */
2341    const pcre_uint8 *nullpad;      /* NULL padding */    void             *nullpad;      /* NULL padding */
2342  } real_pcre8_or_16;  } real_pcre8_or_16;
2343    
2344  typedef struct real_pcre8_or_16 real_pcre;  typedef struct real_pcre8_or_16 real_pcre;
# Line 2331  typedef struct real_pcre32 { Line 2348  typedef struct real_pcre32 {
2348    pcre_uint32 magic_number;    pcre_uint32 magic_number;
2349    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
2350    pcre_uint32 options;            /* Public options */    pcre_uint32 options;            /* Public options */
2351    pcre_uint16 flags;              /* Private flags */    pcre_uint32 flags;              /* Private flags */
2352      pcre_uint32 limit_match;        /* Limit set from regex */
2353      pcre_uint32 limit_recursion;    /* Limit set from regex */
2354      pcre_uint32 first_char;         /* Starting character */
2355      pcre_uint32 req_char;           /* This character must be seen */
2356    pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */    pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */
2357    pcre_uint16 top_bracket;        /* Highest numbered group */    pcre_uint16 top_bracket;        /* Highest numbered group */
2358    pcre_uint16 top_backref;        /* Highest numbered back reference */    pcre_uint16 top_backref;        /* Highest numbered back reference */
   pcre_uint32 first_char;         /* Starting character */  
   pcre_uint32 req_char;           /* This character must be seen */  
2359    pcre_uint16 name_table_offset;  /* Offset to name table that follows */    pcre_uint16 name_table_offset;  /* Offset to name table that follows */
2360    pcre_uint16 name_entry_size;    /* Size of any name items */    pcre_uint16 name_entry_size;    /* Size of any name items */
2361    pcre_uint16 name_count;         /* Number of name items */    pcre_uint16 name_count;         /* Number of name items */
2362    pcre_uint16 ref_count;          /* Reference count */    pcre_uint16 ref_count;          /* Reference count */
2363    pcre_uint16 dummy1;             /* for later expansion */    pcre_uint16 dummy;              /* To ensure size is a multiple of 8 */
   pcre_uint16 dummy2;             /* for later expansion */  
2364    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */
2365    void *nullpad;                  /* for later expansion */    void             *nullpad;      /* NULL padding */
2366  } real_pcre32;  } real_pcre32;
2367    
2368    #if defined COMPILE_PCRE8
2369    #define REAL_PCRE real_pcre
2370    #elif defined COMPILE_PCRE16
2371    #define REAL_PCRE real_pcre16
2372    #elif defined COMPILE_PCRE32
2373    #define REAL_PCRE real_pcre32
2374    #endif
2375    
2376  /* Assert that the size of REAL_PCRE is divisible by 8 */  /* Assert that the size of REAL_PCRE is divisible by 8 */
2377  typedef int __assert_real_pcre_size_divisible_8[(sizeof(REAL_PCRE) % 8) == 0 ? 1 : -1];  typedef int __assert_real_pcre_size_divisible_8[(sizeof(REAL_PCRE) % 8) == 0 ? 1 : -1];
2378    
# Line 2380  typedef struct open_capitem { Line 2406  typedef struct open_capitem {
2406    pcre_uint16 flag;             /* Set TRUE if recursive back ref */    pcre_uint16 flag;             /* Set TRUE if recursive back ref */
2407  } open_capitem;  } open_capitem;
2408    
2409    /* Structure for building a list of named groups during the first pass of
2410    compiling. */
2411    
2412    typedef struct named_group {
2413      const pcre_uchar  *name;          /* Points to the name in the pattern */
2414      int                length;        /* Length of the name */
2415      pcre_uint32        number;        /* Group number */
2416    } named_group;
2417    
2418  /* Structure for passing "static" information around between the functions  /* Structure for passing "static" information around between the functions
2419  doing the compiling, so that they are thread-safe. */  doing the compiling, so that they are thread-safe. */
2420    
# Line 2392  typedef struct compile_data { Line 2427  typedef struct compile_data {
2427    const pcre_uchar *start_code;     /* The start of the compiled code */    const pcre_uchar *start_code;     /* The start of the compiled code */
2428    const pcre_uchar *start_pattern;  /* The start of the pattern */    const pcre_uchar *start_pattern;  /* The start of the pattern */
2429    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 */  
2430    pcre_uchar *hwm;                  /* High watermark of workspace */    pcre_uchar *hwm;                  /* High watermark of workspace */
2431      open_capitem *open_caps;          /* Chain of open capture items */
2432      named_group *named_groups;        /* Points to vector in pre-compile */
2433    pcre_uchar *name_table;           /* The name/number table */    pcre_uchar *name_table;           /* The name/number table */
2434    int  names_found;                 /* Number of entries so far */    int  names_found;                 /* Number of entries so far */
2435    int  name_entry_size;             /* Size of each entry */    int  name_entry_size;             /* Size of each entry */
2436      int  named_group_list_size;       /* Number of entries in the list */
2437    int  workspace_size;              /* Size of workspace */    int  workspace_size;              /* Size of workspace */
2438    unsigned int  bracount;           /* Count of capturing parens as we compile */    unsigned int bracount;            /* Count of capturing parens as we compile */
2439    int  final_bracount;              /* Saved value after first pass */    int  final_bracount;              /* Saved value after first pass */
2440    int  max_lookbehind;              /* Maximum lookbehind (characters) */    int  max_lookbehind;              /* Maximum lookbehind (characters) */
2441    int  top_backref;                 /* Maximum back reference */    int  top_backref;                 /* Maximum back reference */
2442    unsigned int backref_map;         /* Bitmap of low back refs */    unsigned int backref_map;         /* Bitmap of low back refs */
2443      unsigned int namedrefcount;       /* Number of backreferences by name */
2444      int  parens_depth;                /* Depth of nested parentheses */
2445    int  assert_depth;                /* Depth of nested assertions */    int  assert_depth;                /* Depth of nested assertions */
2446    int  external_options;            /* External (initial) options */    pcre_uint32 external_options;     /* External (initial) options */
2447    int  external_flags;              /* External flag bits to be set */    pcre_uint32 external_flags;       /* External flag bits to be set */
2448    int  req_varyopt;                 /* "After variable item" flag for reqbyte */    int  req_varyopt;                 /* "After variable item" flag for reqbyte */
2449    BOOL had_accept;                  /* (*ACCEPT) encountered */    BOOL had_accept;                  /* (*ACCEPT) encountered */
2450    BOOL had_pruneorskip;             /* (*PRUNE) or (*SKIP) encountered */    BOOL had_pruneorskip;             /* (*PRUNE) or (*SKIP) encountered */
2451    BOOL check_lookbehind;            /* Lookbehinds need later checking */    BOOL check_lookbehind;            /* Lookbehinds need later checking */
2452      BOOL dupnames;                    /* Duplicate names exist */
2453      BOOL iscondassert;                /* Next assert is a condition */
2454    int  nltype;                      /* Newline type */    int  nltype;                      /* Newline type */
2455    int  nllen;                       /* Newline string length */    int  nllen;                       /* Newline string length */
2456    pcre_uchar nl[4];                 /* Newline string when fixed length */    pcre_uchar nl[4];                 /* Newline string when fixed length */
# Line 2423  typedef struct branch_chain { Line 2464  typedef struct branch_chain {
2464    pcre_uchar *current_branch;    pcre_uchar *current_branch;
2465  } branch_chain;  } branch_chain;
2466    
2467    /* Structure for mutual recursion detection. */
2468    
2469    typedef struct recurse_check {
2470      struct recurse_check *prev;
2471      const pcre_uchar *group;
2472    } recurse_check;
2473    
2474  /* Structure for items in a linked list that represents an explicit recursive  /* Structure for items in a linked list that represents an explicit recursive
2475  call within the pattern; used by pcre_exec(). */  call within the pattern; used by pcre_exec(). */
2476    
# Line 2431  typedef struct recursion_info { Line 2479  typedef struct recursion_info {
2479    unsigned int group_num;         /* Number of group that was called */    unsigned int group_num;         /* Number of group that was called */
2480    int *offset_save;               /* Pointer to start of saved offsets */    int *offset_save;               /* Pointer to start of saved offsets */
2481    int saved_max;                  /* Number of saved offsets */    int saved_max;                  /* Number of saved offsets */
2482      int saved_capture_last;         /* Last capture number */
2483    PCRE_PUCHAR subject_position;   /* Position at start of recursion */    PCRE_PUCHAR subject_position;   /* Position at start of recursion */
2484  } recursion_info;  } recursion_info;
2485    
# Line 2467  typedef struct match_data { Line 2516  typedef struct match_data {
2516    int    nllen;                   /* Newline string length */    int    nllen;                   /* Newline string length */
2517    int    name_count;              /* Number of names in name table */    int    name_count;              /* Number of names in name table */
2518    int    name_entry_size;         /* Size of entry in names table */    int    name_entry_size;         /* Size of entry in names table */
2519      unsigned int skip_arg_count;    /* For counting SKIP_ARGs */
2520      unsigned int ignore_skip_arg;   /* For re-run when SKIP arg name not found */
2521    pcre_uchar *name_table;         /* Table of names */    pcre_uchar *name_table;         /* Table of names */
2522    pcre_uchar nl[4];               /* Newline string when fixed */    pcre_uchar nl[4];               /* Newline string when fixed */
2523    const  pcre_uint8 *lcc;         /* Points to lower casing table */    const  pcre_uint8 *lcc;         /* Points to lower casing table */
2524    const  pcre_uint8 *fcc;         /* Points to case-flipping table */    const  pcre_uint8 *fcc;         /* Points to case-flipping table */
2525    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 */  
2526    BOOL   notbol;                  /* NOTBOL flag */    BOOL   notbol;                  /* NOTBOL flag */
2527    BOOL   noteol;                  /* NOTEOL flag */    BOOL   noteol;                  /* NOTEOL flag */
2528    BOOL   utf;                     /* UTF-8 / UTF-16 flag */    BOOL   utf;                     /* UTF-8 / UTF-16 flag */
# Line 2484  typedef struct match_data { Line 2534  typedef struct match_data {
2534    BOOL   hitend;                  /* Hit the end of the subject at some point */    BOOL   hitend;                  /* Hit the end of the subject at some point */
2535    BOOL   bsr_anycrlf;             /* \R is just any CRLF, not full Unicode */    BOOL   bsr_anycrlf;             /* \R is just any CRLF, not full Unicode */
2536    BOOL   hasthen;                 /* Pattern contains (*THEN) */    BOOL   hasthen;                 /* Pattern contains (*THEN) */
   BOOL   ignore_skip_arg;         /* For re-run when SKIP name not found */  
2537    const  pcre_uchar *start_code;  /* For use when recursing */    const  pcre_uchar *start_code;  /* For use when recursing */
2538    PCRE_PUCHAR start_subject;      /* Start of the subject string */    PCRE_PUCHAR start_subject;      /* Start of the subject string */
2539    PCRE_PUCHAR end_subject;        /* End of the subject string */    PCRE_PUCHAR end_subject;        /* End of the subject string */
# Line 2493  typedef struct match_data { Line 2542  typedef struct match_data {
2542    PCRE_PUCHAR start_used_ptr;     /* Earliest consulted character */    PCRE_PUCHAR start_used_ptr;     /* Earliest consulted character */
2543    int    partial;                 /* PARTIAL options */    int    partial;                 /* PARTIAL options */
2544    int    end_offset_top;          /* Highwater mark at end of match */    int    end_offset_top;          /* Highwater mark at end of match */
2545    int    capture_last;            /* Most recent capture number */    pcre_int32 capture_last;        /* Most recent capture number + overflow flag */
2546    int    start_offset;            /* The start offset value */    int    start_offset;            /* The start offset value */
2547    int    match_function_type;     /* Set for certain special calls of MATCH() */    int    match_function_type;     /* Set for certain special calls of MATCH() */
2548    eptrblock *eptrchain;           /* Chain of eptrblocks for tail recursions */    eptrblock *eptrchain;           /* Chain of eptrblocks for tail recursions */
# Line 2695  extern BOOL              PRIV(xclass)(pc Line 2744  extern BOOL              PRIV(xclass)(pc
2744  #ifdef SUPPORT_JIT  #ifdef SUPPORT_JIT
2745  extern void              PRIV(jit_compile)(const REAL_PCRE *,  extern void              PRIV(jit_compile)(const REAL_PCRE *,
2746                             PUBL(extra) *, int);                             PUBL(extra) *, int);
2747  extern int               PRIV(jit_exec)(const REAL_PCRE *, const PUBL(extra) *,  extern int               PRIV(jit_exec)(const PUBL(extra) *,
2748                             const pcre_uchar *, int, int, int, int *, int);                             const pcre_uchar *, int, int, int, int *, int);
2749  extern void              PRIV(jit_free)(void *);  extern void              PRIV(jit_free)(void *);
2750  extern int               PRIV(jit_get_size)(void *);  extern int               PRIV(jit_get_size)(void *);

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