/[pcre]/code/trunk/pcre_internal.h
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revision 1128 by chpe, Thu Oct 18 18:35:08 2012 UTC revision 1409 by ph10, Fri Dec 6 12:07:47 2013 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) 1997-2013 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 53  depending on the PRIV macro. */ Line 53  depending on 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    
57  #if !defined COMPILE_PCRE16 && !defined COMPILE_PCRE32  #if !defined COMPILE_PCRE16 && !defined COMPILE_PCRE32
58  #define COMPILE_PCRE8  #define COMPILE_PCRE8
59  #endif  #endif
# 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 272  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 344  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 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  #elif defined COMPILE_PCRE16  #elif defined COMPILE_PCRE16
551    
# Line 765  we know we are in UTF mode. */ Line 786  we know we are in UTF mode. */
786  we know we are in UTF mode. */  we know we are in UTF mode. */
787    
788  #define RAWUCHARINC(eptr) \  #define RAWUCHARINC(eptr) \
789    (*(eptr)++)    (*((eptr)++))
790    
791  /* Returns the next uchar, testing for UTF mode, and not advancing the  /* Returns the next uchar, testing for UTF mode, and not advancing the
792  pointer. */  pointer. */
# Line 777  pointer. */ Line 798  pointer. */
798  pointer. */  pointer. */
799    
800  #define RAWUCHARINCTEST(eptr) \  #define RAWUCHARINCTEST(eptr) \
801    (*(eptr)++)    (*((eptr)++))
802    
803  /* 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
804  it is. This is called only in UTF-8 mode - we don't put a test within the macro  it is. This is called only in UTF-8 mode - we don't put a test within the macro
# Line 884  we know we are in UTF mode. */ Line 905  we know we are in UTF mode. */
905  we know we are in UTF mode. */  we know we are in UTF mode. */
906    
907  #define RAWUCHARINC(eptr) \  #define RAWUCHARINC(eptr) \
908    (*(eptr)++)    (*((eptr)++))
909    
910  /* Returns the next uchar, testing for UTF mode, and not advancing the  /* Returns the next uchar, testing for UTF mode, and not advancing the
911  pointer. */  pointer. */
# Line 896  pointer. */ Line 917  pointer. */
917  pointer. */  pointer. */
918    
919  #define RAWUCHARINCTEST(eptr) \  #define RAWUCHARINCTEST(eptr) \
920    (*(eptr)++)    (*((eptr)++))
921    
922  /* 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
923  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
# Line 921  into one pcre_uchar unit. */ Line 942  into one pcre_uchar unit. */
942  #define GET_EXTRALEN(c) (0)  #define GET_EXTRALEN(c) (0)
943  #define NOT_FIRSTCHAR(c) (0)  #define NOT_FIRSTCHAR(c) (0)
944    
 #define UTF32_MASK (0x1fffffu)  
   
945  /* 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
946  we know we are in UTF-32 mode. */  we know we are in UTF-32 mode. */
947    
948  #define GETCHAR(c, eptr) \  #define GETCHAR(c, eptr) \
949    c = (*eptr) & UTF32_MASK;    c = *(eptr);
950    
951  /* 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
952  pointer. */  pointer. */
953    
954  #define GETCHARTEST(c, eptr) \  #define GETCHARTEST(c, eptr) \
955    c = *eptr; \    c = *(eptr);
   if (utf) c &= UTF32_MASK;  
956    
957  /* 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
958  know we are in UTF-32 mode. */  know we are in UTF-32 mode. */
959    
960  #define GETCHARINC(c, eptr) \  #define GETCHARINC(c, eptr) \
961    c = (*eptr++) & UTF32_MASK;    c = *((eptr)++);
962    
963  /* 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.
964  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. */
965    
966  #define GETCHARINCTEST(c, eptr) \  #define GETCHARINCTEST(c, eptr) \
967    c = *eptr++; \    c = *((eptr)++);
   if (utf) c &= UTF32_MASK;  
968    
969  /* Get the next UTF-32 character, not advancing the pointer, not incrementing  /* Get the next UTF-32 character, not advancing the pointer, not incrementing
970  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 967  This is called when we do not know if we Line 984  This is called when we do not know if we
984  we know we are in UTF mode. */  we know we are in UTF mode. */
985    
986  #define RAWUCHAR(eptr) \  #define RAWUCHAR(eptr) \
987    (*(eptr) & UTF32_MASK)    (*(eptr))
988    
989  /* Returns the next uchar, advancing the pointer. This is called when  /* Returns the next uchar, advancing the pointer. This is called when
990  we know we are in UTF mode. */  we know we are in UTF mode. */
991    
992  #define RAWUCHARINC(eptr) \  #define RAWUCHARINC(eptr) \
993    (*(eptr)++ & UTF32_MASK)    (*((eptr)++))
994    
995  /* Returns the next uchar, testing for UTF mode, and not advancing the  /* Returns the next uchar, testing for UTF mode, and not advancing the
996  pointer. */  pointer. */
997    
998  #define RAWUCHARTEST(eptr) \  #define RAWUCHARTEST(eptr) \
999    (utf ? (*(eptr) & UTF32_MASK) : *(eptr))    (*(eptr))
1000    
1001  /* Returns the next uchar, testing for UTF mode, advancing the  /* Returns the next uchar, testing for UTF mode, advancing the
1002  pointer. */  pointer. */
1003    
1004  #define RAWUCHARINCTEST(eptr) \  #define RAWUCHARINCTEST(eptr) \
1005    (utf ? (*(eptr)++ & UTF32_MASK) : *(eptr)++)    (*((eptr)++))
1006    
1007  /* 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
1008  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
1009  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
1010  code.  code.
1011  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. */
1012    
1013  #define BACKCHAR(eptr) do { } while (0)  #define BACKCHAR(eptr) do { } while (0)
# Line 1017  are defined. Line 1034  are defined.
1034  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,
1035  \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
1036  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
1037  together. The lists must be in ascending character order, terminated by  together. The lists must be in ascending character order, terminated by
1038  NOTACHAR (which is 0xffffffff).  NOTACHAR (which is 0xffffffff).
1039    
1040  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 1031  other. NOTE: The values also appear in p Line 1048  other. NOTE: The values also appear in p
1048    CHAR_HT, CHAR_SPACE, 0xa0, \    CHAR_HT, CHAR_SPACE, 0xa0, \
1049    0x1680, 0x180e, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, \    0x1680, 0x180e, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, \
1050    0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202f, 0x205f, 0x3000, \    0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202f, 0x205f, 0x3000, \
1051    NOTACHAR    NOTACHAR
1052    
1053  #define HSPACE_MULTIBYTE_CASES \  #define HSPACE_MULTIBYTE_CASES \
1054    case 0x1680:  /* OGHAM SPACE MARK */ \    case 0x1680:  /* OGHAM SPACE MARK */ \
# Line 1055  other. NOTE: The values also appear in p Line 1072  other. NOTE: The values also appear in p
1072    case CHAR_HT: \    case CHAR_HT: \
1073    case CHAR_SPACE: \    case CHAR_SPACE: \
1074    case 0xa0     /* NBSP */    case 0xa0     /* NBSP */
1075    
1076  #define HSPACE_CASES \  #define HSPACE_CASES \
1077    HSPACE_BYTE_CASES: \    HSPACE_BYTE_CASES: \
1078    HSPACE_MULTIBYTE_CASES    HSPACE_MULTIBYTE_CASES
1079    
1080  #define VSPACE_LIST \  #define VSPACE_LIST \
1081    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
1082    
1083  #define VSPACE_MULTIBYTE_CASES \  #define VSPACE_MULTIBYTE_CASES \
1084    case 0x2028:    /* LINE SEPARATOR */ \    case 0x2028:    /* LINE SEPARATOR */ \
# Line 1091  other. NOTE: The values also appear in p Line 1108  other. NOTE: The values also appear in p
1108    
1109  #ifdef EBCDIC_NL25  #ifdef EBCDIC_NL25
1110  #define VSPACE_LIST \  #define VSPACE_LIST \
1111    CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, CHAR_LF, NOTACHAR    CHAR_VT, CHAR_FF, CHAR_CR, CHAR_NEL, CHAR_LF, NOTACHAR
1112  #else  #else
1113  #define VSPACE_LIST \  #define VSPACE_LIST \
1114    CHAR_VT, CHAR_FF, CHAR_CR, CHAR_LF, CHAR_NEL, NOTACHAR    CHAR_VT, CHAR_FF, CHAR_CR, CHAR_LF, CHAR_NEL, NOTACHAR
1115  #endif  #endif
1116    
1117  #define VSPACE_BYTE_CASES \  #define VSPACE_BYTE_CASES \
1118    case CHAR_LF: \    case CHAR_LF: \
# Line 1112  other. NOTE: The values also appear in p Line 1129  other. NOTE: The values also appear in p
1129    
1130    
1131  /* Private flags containing information about the compiled regex. They used to  /* Private flags containing information about the compiled regex. They used to
1132  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
1133  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
1134  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
1135    restrictions on partial matching have been lifted. It remains for backwards
1136  compatibility. */  compatibility. */
1137    
1138  #define PCRE_MODE8         0x0001  /* compiled in 8 bit mode */  #define PCRE_MODE8         0x00000001  /* compiled in 8 bit mode */
1139  #define PCRE_MODE16        0x0002  /* compiled in 16 bit mode */  #define PCRE_MODE16        0x00000002  /* compiled in 16 bit mode */
1140  #define PCRE_MODE32        0x0004  /* compiled in 32 bit mode */  #define PCRE_MODE32        0x00000004  /* compiled in 32 bit mode */
1141  #define PCRE_FIRSTSET      0x0010  /* first_char is set */  #define PCRE_FIRSTSET      0x00000010  /* first_char is set */
1142  #define PCRE_FCH_CASELESS  0x0020  /* caseless first char */  #define PCRE_FCH_CASELESS  0x00000020  /* caseless first char */
1143  #define PCRE_REQCHSET      0x0040  /* req_byte is set */  #define PCRE_REQCHSET      0x00000040  /* req_byte is set */
1144  #define PCRE_RCH_CASELESS  0x0080  /* caseless requested char */  #define PCRE_RCH_CASELESS  0x00000080  /* caseless requested char */
1145  #define PCRE_STARTLINE     0x0100  /* start after \n for multiline */  #define PCRE_STARTLINE     0x00000100  /* start after \n for multiline */
1146  #define PCRE_NOPARTIAL     0x0200  /* can't use partial with this regex */  #define PCRE_NOPARTIAL     0x00000200  /* can't use partial with this regex */
1147  #define PCRE_JCHANGED      0x0400  /* j option used in regex */  #define PCRE_JCHANGED      0x00000400  /* j option used in regex */
1148  #define PCRE_HASCRORLF     0x0800  /* explicit \r or \n in pattern */  #define PCRE_HASCRORLF     0x00000800  /* explicit \r or \n in pattern */
1149  #define PCRE_HASTHEN       0x1000  /* pattern contains (*THEN) */  #define PCRE_HASTHEN       0x00001000  /* pattern contains (*THEN) */
1150    #define PCRE_MLSET         0x00002000  /* match limit set by regex */
1151    #define PCRE_RLSET         0x00004000  /* recursion limit set by regex */
1152    #define PCRE_MATCH_EMPTY   0x00008000  /* pattern can match empty string */
1153    
1154  #if defined COMPILE_PCRE8  #if defined COMPILE_PCRE8
1155  #define PCRE_MODE          PCRE_MODE8  #define PCRE_MODE          PCRE_MODE8
# Line 1153  time, run time, or study time, respectiv Line 1174  time, run time, or study time, respectiv
1174  #define PUBLIC_COMPILE_OPTIONS \  #define PUBLIC_COMPILE_OPTIONS \
1175    (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \    (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \
1176     PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \     PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \
1177     PCRE_NO_AUTO_CAPTURE|PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \     PCRE_NO_AUTO_CAPTURE|PCRE_NO_AUTO_POSSESS| \
1178       PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \
1179     PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \     PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \
1180     PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE)     PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE|PCRE_NEVER_UTF)
1181    
1182  #define PUBLIC_EXEC_OPTIONS \  #define PUBLIC_EXEC_OPTIONS \
1183    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \    (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \
# Line 1172  time, run time, or study time, respectiv Line 1194  time, run time, or study time, respectiv
1194     (PCRE_STUDY_JIT_COMPILE|PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE| \     (PCRE_STUDY_JIT_COMPILE|PCRE_STUDY_JIT_PARTIAL_SOFT_COMPILE| \
1195      PCRE_STUDY_JIT_PARTIAL_HARD_COMPILE|PCRE_STUDY_EXTRA_NEEDED)      PCRE_STUDY_JIT_PARTIAL_HARD_COMPILE|PCRE_STUDY_EXTRA_NEEDED)
1196    
1197    #define PUBLIC_JIT_EXEC_OPTIONS \
1198       (PCRE_NO_UTF8_CHECK|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|\
1199        PCRE_NOTEMPTY_ATSTART|PCRE_PARTIAL_SOFT|PCRE_PARTIAL_HARD)
1200    
1201  /* Magic number to provide a small check against being handed junk. */  /* Magic number to provide a small check against being handed junk. */
1202    
1203  #define MAGIC_NUMBER  0x50435245UL   /* 'PCRE' */  #define MAGIC_NUMBER  0x50435245UL   /* 'PCRE' */
# Line 1275  a positive value. */ Line 1301  a positive value. */
1301    
1302  /* The remaining definitions work in both environments. */  /* The remaining definitions work in both environments. */
1303    
1304    #define CHAR_NULL                   '\0'
1305  #define CHAR_HT                     '\t'  #define CHAR_HT                     '\t'
1306  #define CHAR_VT                     '\v'  #define CHAR_VT                     '\v'
1307  #define CHAR_FF                     '\f'  #define CHAR_FF                     '\f'
# Line 1506  a positive value. */ Line 1533  a positive value. */
1533  #define STRING_xdigit               "xdigit"  #define STRING_xdigit               "xdigit"
1534    
1535  #define STRING_DEFINE               "DEFINE"  #define STRING_DEFINE               "DEFINE"
1536    #define STRING_WEIRD_STARTWORD      "[:<:]]"
1537    #define STRING_WEIRD_ENDWORD        "[:>:]]"
1538    
1539  #define STRING_CR_RIGHTPAR             "CR)"  #define STRING_CR_RIGHTPAR              "CR)"
1540  #define STRING_LF_RIGHTPAR             "LF)"  #define STRING_LF_RIGHTPAR              "LF)"
1541  #define STRING_CRLF_RIGHTPAR           "CRLF)"  #define STRING_CRLF_RIGHTPAR            "CRLF)"
1542  #define STRING_ANY_RIGHTPAR            "ANY)"  #define STRING_ANY_RIGHTPAR             "ANY)"
1543  #define STRING_ANYCRLF_RIGHTPAR        "ANYCRLF)"  #define STRING_ANYCRLF_RIGHTPAR         "ANYCRLF)"
1544  #define STRING_BSR_ANYCRLF_RIGHTPAR    "BSR_ANYCRLF)"  #define STRING_BSR_ANYCRLF_RIGHTPAR     "BSR_ANYCRLF)"
1545  #define STRING_BSR_UNICODE_RIGHTPAR    "BSR_UNICODE)"  #define STRING_BSR_UNICODE_RIGHTPAR     "BSR_UNICODE)"
1546  #ifdef COMPILE_PCRE8  #define STRING_UTF8_RIGHTPAR            "UTF8)"
1547  #define STRING_UTF_RIGHTPAR            "UTF8)"  #define STRING_UTF16_RIGHTPAR           "UTF16)"
1548  #endif  #define STRING_UTF32_RIGHTPAR           "UTF32)"
1549  #ifdef COMPILE_PCRE16  #define STRING_UTF_RIGHTPAR             "UTF)"
1550  #define STRING_UTF_RIGHTPAR            "UTF16)"  #define STRING_UCP_RIGHTPAR             "UCP)"
1551  #endif  #define STRING_NO_AUTO_POSSESS_RIGHTPAR "NO_AUTO_POSSESS)"
1552  #ifdef COMPILE_PCRE32  #define STRING_NO_START_OPT_RIGHTPAR    "NO_START_OPT)"
1553  #define STRING_UTF_RIGHTPAR            "UTF32)"  #define STRING_LIMIT_MATCH_EQ           "LIMIT_MATCH="
1554  #endif  #define STRING_LIMIT_RECURSION_EQ       "LIMIT_RECURSION="
 #define STRING_UCP_RIGHTPAR            "UCP)"  
 #define STRING_NO_START_OPT_RIGHTPAR   "NO_START_OPT)"  
1555    
1556  #else  /* SUPPORT_UTF */  #else  /* SUPPORT_UTF */
1557    
# Line 1544  only. */ Line 1571  only. */
1571  #define CHAR_ESC                    '\033'  #define CHAR_ESC                    '\033'
1572  #define CHAR_DEL                    '\177'  #define CHAR_DEL                    '\177'
1573    
1574    #define CHAR_NULL                   '\0'
1575  #define CHAR_SPACE                  '\040'  #define CHAR_SPACE                  '\040'
1576  #define CHAR_EXCLAMATION_MARK       '\041'  #define CHAR_EXCLAMATION_MARK       '\041'
1577  #define CHAR_QUOTATION_MARK         '\042'  #define CHAR_QUOTATION_MARK         '\042'
# Line 1771  only. */ Line 1799  only. */
1799  #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
1800    
1801  #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
1802    #define STRING_WEIRD_STARTWORD      STR_LEFT_SQUARE_BRACKET STR_COLON STR_LESS_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET
1803    #define STRING_WEIRD_ENDWORD        STR_LEFT_SQUARE_BRACKET STR_COLON STR_GREATER_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET
1804    
1805  #define STRING_CR_RIGHTPAR             STR_C STR_R STR_RIGHT_PARENTHESIS  #define STRING_CR_RIGHTPAR              STR_C STR_R STR_RIGHT_PARENTHESIS
1806  #define STRING_LF_RIGHTPAR             STR_L STR_F STR_RIGHT_PARENTHESIS  #define STRING_LF_RIGHTPAR              STR_L STR_F STR_RIGHT_PARENTHESIS
1807  #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
1808  #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
1809  #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
1810  #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
1811  #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
1812  #ifdef COMPILE_PCRE8  #define STRING_UTF8_RIGHTPAR            STR_U STR_T STR_F STR_8 STR_RIGHT_PARENTHESIS
1813  #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
1814  #endif  #define STRING_UTF32_RIGHTPAR           STR_U STR_T STR_F STR_3 STR_2 STR_RIGHT_PARENTHESIS
1815  #ifdef COMPILE_PCRE16  #define STRING_UTF_RIGHTPAR             STR_U STR_T STR_F STR_RIGHT_PARENTHESIS
1816  #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
1817  #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
1818  #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
1819  #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
1820  #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  
1821    
1822  #endif  /* SUPPORT_UTF */  #endif  /* SUPPORT_UTF */
1823    
# Line 1830  only. */ Line 1858  only. */
1858  #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 */
1859  #define PT_WORD       8    /* Word - L plus N plus underscore */  #define PT_WORD       8    /* Word - L plus N plus underscore */
1860  #define PT_CLIST      9    /* Pseudo-property: match character list */  #define PT_CLIST      9    /* Pseudo-property: match character list */
1861    #define PT_UCNC      10    /* Universal Character nameable character */
1862    #define PT_TABSIZE   11    /* Size of square table for autopossessify tests */
1863    
1864    /* The following special properties are used only in XCLASS items, when POSIX
1865    classes are specified and PCRE_UCP is set - in other words, for Unicode
1866    handling of these classes. They are not available via the \p or \P escapes like
1867    those in the above list, and so they do not take part in the autopossessifying
1868    table. */
1869    
1870    #define PT_PXGRAPH   11    /* [:graph:] - characters that mark the paper */
1871    #define PT_PXPRINT   12    /* [:print:] - [:graph:] plus non-control spaces */
1872    #define PT_PXPUNCT   13    /* [:punct:] - punctuation characters */
1873    
1874  /* 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
1875  contain characters with values greater than 255. */  contain characters with values greater than 255. */
# Line 1844  contain characters with values greater t Line 1884  contain characters with values greater t
1884  #define XCL_NOTPROP   4    /* Unicode inverted property (ditto) */  #define XCL_NOTPROP   4    /* Unicode inverted property (ditto) */
1885    
1886  /* 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
1887  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
1888  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
1889  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
1890  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
1891  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
1892  non-DOTALL mode, "." behaves like \N.  non-DOTALL mode, "." behaves like \N.
# Line 1869  enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, E Line 1909  enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, E
1909         ESC_E, ESC_Q, ESC_g, ESC_k,         ESC_E, ESC_Q, ESC_g, ESC_k,
1910         ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu };         ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu };
1911    
 /* 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.  
1912    
1913  *** NOTE NOTE NOTE *** Whenever this list is updated, the two macro definitions  /********************** Opcode definitions ******************/
1914  that follow must also be updated to match. There are also tables called  
1915  "coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */  /****** NOTE NOTE NOTE ******
1916    
1917    Starting from 1 (i.e. after OP_END), the values up to OP_EOD must correspond in
1918    order to the list of escapes immediately above. Furthermore, values up to
1919    OP_DOLLM must not be changed without adjusting the table called autoposstab in
1920    pcre_compile.c
1921    
1922    Whenever this list is updated, the two macro definitions that follow must be
1923    updated to match. The possessification table called "opcode_possessify" in
1924    pcre_compile.c must also be updated, and also the tables called "coptable"
1925    and "poptable" in pcre_dfa_exec.c.
1926    
1927    ****** NOTE NOTE NOTE ******/
1928    
1929    
1930    /* The values between FIRST_AUTOTAB_OP and LAST_AUTOTAB_RIGHT_OP, inclusive,
1931    are used in a table for deciding whether a repeated character type can be
1932    auto-possessified. */
1933    
1934    #define FIRST_AUTOTAB_OP       OP_NOT_DIGIT
1935    #define LAST_AUTOTAB_LEFT_OP   OP_EXTUNI
1936    #define LAST_AUTOTAB_RIGHT_OP  OP_DOLLM
1937    
1938  enum {  enum {
1939    OP_END,            /* 0 End of pattern */    OP_END,            /* 0 End of pattern */
# Line 1907  enum { Line 1966  enum {
1966    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) */
1967    OP_EOD,            /* 24 End of data (\z) */    OP_EOD,            /* 24 End of data (\z) */
1968    
1969    OP_CIRC,           /* 25 Start of line - not multiline */    /* Line end assertions */
1970    OP_CIRCM,          /* 26 Start of line - multiline */  
1971    OP_DOLL,           /* 27 End of line - not multiline */    OP_DOLL,           /* 25 End of line - not multiline */
1972    OP_DOLLM,          /* 28 End of line - multiline */    OP_DOLLM,          /* 26 End of line - multiline */
1973      OP_CIRC,           /* 27 Start of line - not multiline */
1974      OP_CIRCM,          /* 28 Start of line - multiline */
1975    
1976      /* Single characters; caseful must precede the caseless ones */
1977    
1978    OP_CHAR,           /* 29 Match one character, casefully */    OP_CHAR,           /* 29 Match one character, casefully */
1979    OP_CHARI,          /* 30 Match one character, caselessly */    OP_CHARI,          /* 30 Match one character, caselessly */
1980    OP_NOT,            /* 31 Match one character, not the given one, casefully */    OP_NOT,            /* 31 Match one character, not the given one, casefully */
# Line 1919  enum { Line 1983  enum {
1983    /* 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
1984    the offset from the first one is used to generate the others. */    the offset from the first one is used to generate the others. */
1985    
1986    /**** Single characters, caseful, must precede the caseless ones ****/    /* Repeated characters; caseful must precede the caseless ones */
1987    
1988    OP_STAR,           /* 33 The maximizing and minimizing versions of */    OP_STAR,           /* 33 The maximizing and minimizing versions of */
1989    OP_MINSTAR,        /* 34 these six opcodes must come in pairs, with */    OP_MINSTAR,        /* 34 these six opcodes must come in pairs, with */
# Line 1937  enum { Line 2001  enum {
2001    OP_POSQUERY,       /* 44 Posesssified query, caseful */    OP_POSQUERY,       /* 44 Posesssified query, caseful */
2002    OP_POSUPTO,        /* 45 Possessified upto, caseful */    OP_POSUPTO,        /* 45 Possessified upto, caseful */
2003    
2004    /**** Single characters, caseless, must follow the caseful ones */    /* Repeated characters; caseless must follow the caseful ones */
2005    
2006    OP_STARI,          /* 46 */    OP_STARI,          /* 46 */
2007    OP_MINSTARI,       /* 47 */    OP_MINSTARI,       /* 47 */
# Line 1955  enum { Line 2019  enum {
2019    OP_POSQUERYI,      /* 57 Posesssified query, caseless */    OP_POSQUERYI,      /* 57 Posesssified query, caseless */
2020    OP_POSUPTOI,       /* 58 Possessified upto, caseless */    OP_POSUPTOI,       /* 58 Possessified upto, caseless */
2021    
2022    /**** The negated ones must follow the non-negated ones, and match them ****/    /* The negated ones must follow the non-negated ones, and match them */
2023    /**** Negated single character, caseful; must precede the caseless ones ****/    /* Negated repeated character, caseful; must precede the caseless ones */
2024    
2025    OP_NOTSTAR,        /* 59 The maximizing and minimizing versions of */    OP_NOTSTAR,        /* 59 The maximizing and minimizing versions of */
2026    OP_NOTMINSTAR,     /* 60 these six opcodes must come in pairs, with */    OP_NOTMINSTAR,     /* 60 these six opcodes must come in pairs, with */
# Line 1974  enum { Line 2038  enum {
2038    OP_NOTPOSQUERY,    /* 70 */    OP_NOTPOSQUERY,    /* 70 */
2039    OP_NOTPOSUPTO,     /* 71 */    OP_NOTPOSUPTO,     /* 71 */
2040    
2041    /**** Negated single character, caseless; must follow the caseful ones ****/    /* Negated repeated character, caseless; must follow the caseful ones */
2042    
2043    OP_NOTSTARI,       /* 72 */    OP_NOTSTARI,       /* 72 */
2044    OP_NOTMINSTARI,    /* 73 */    OP_NOTMINSTARI,    /* 73 */
# Line 1992  enum { Line 2056  enum {
2056    OP_NOTPOSQUERYI,   /* 83 */    OP_NOTPOSQUERYI,   /* 83 */
2057    OP_NOTPOSUPTOI,    /* 84 */    OP_NOTPOSUPTOI,    /* 84 */
2058    
2059    /**** Character types ****/    /* Character types */
2060    
2061    OP_TYPESTAR,       /* 85 The maximizing and minimizing versions of */    OP_TYPESTAR,       /* 85 The maximizing and minimizing versions of */
2062    OP_TYPEMINSTAR,    /* 86 these six opcodes must come in pairs, with */    OP_TYPEMINSTAR,    /* 86 these six opcodes must come in pairs, with */
# Line 2023  enum { Line 2087  enum {
2087    OP_CRRANGE,        /* 104 These are different to the three sets above. */    OP_CRRANGE,        /* 104 These are different to the three sets above. */
2088    OP_CRMINRANGE,     /* 105 */    OP_CRMINRANGE,     /* 105 */
2089    
2090      OP_CRPOSSTAR,      /* 106 Possessified versions */
2091      OP_CRPOSPLUS,      /* 107 */
2092      OP_CRPOSQUERY,     /* 108 */
2093      OP_CRPOSRANGE,     /* 109 */
2094    
2095    /* End of quantifier opcodes */    /* End of quantifier opcodes */
2096    
2097    OP_CLASS,          /* 106 Match a character class, chars < 256 only */    OP_CLASS,          /* 110 Match a character class, chars < 256 only */
2098    OP_NCLASS,         /* 107 Same, but the bitmap was created from a negative    OP_NCLASS,         /* 111 Same, but the bitmap was created from a negative
2099                                class - the difference is relevant only when a                                class - the difference is relevant only when a
2100                                character > 255 is encountered. */                                character > 255 is encountered. */
2101    OP_XCLASS,         /* 108 Extended class for handling > 255 chars within the    OP_XCLASS,         /* 112 Extended class for handling > 255 chars within the
2102                                class. This does both positive and negative. */                                class. This does both positive and negative. */
2103    OP_REF,            /* 109 Match a back reference, casefully */    OP_REF,            /* 113 Match a back reference, casefully */
2104    OP_REFI,           /* 110 Match a back reference, caselessly */    OP_REFI,           /* 114 Match a back reference, caselessly */
2105    OP_RECURSE,        /* 111 Match a numbered subpattern (possibly recursive) */    OP_DNREF,          /* 115 Match a duplicate name backref, casefully */
2106    OP_CALLOUT,        /* 112 Call out to external function if provided */    OP_DNREFI,         /* 116 Match a duplicate name backref, caselessly */
2107      OP_RECURSE,        /* 117 Match a numbered subpattern (possibly recursive) */
2108    OP_ALT,            /* 113 Start of alternation */    OP_CALLOUT,        /* 118 Call out to external function if provided */
2109    OP_KET,            /* 114 End of group that doesn't have an unbounded repeat */  
2110    OP_KETRMAX,        /* 115 These two must remain together and in this */    OP_ALT,            /* 119 Start of alternation */
2111    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 */
2112    OP_KETRPOS,        /* 117 Possessive unlimited repeat. */    OP_KETRMAX,        /* 121 These two must remain together and in this */
2113      OP_KETRMIN,        /* 122 order. They are for groups the repeat for ever. */
2114      OP_KETRPOS,        /* 123 Possessive unlimited repeat. */
2115    
2116    /* 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
2117    asserts must remain in order. */    asserts must remain in order. */
2118    
2119    OP_REVERSE,        /* 118 Move pointer back - used in lookbehind assertions */    OP_REVERSE,        /* 124 Move pointer back - used in lookbehind assertions */
2120    OP_ASSERT,         /* 119 Positive lookahead */    OP_ASSERT,         /* 125 Positive lookahead */
2121    OP_ASSERT_NOT,     /* 120 Negative lookahead */    OP_ASSERT_NOT,     /* 126 Negative lookahead */
2122    OP_ASSERTBACK,     /* 121 Positive lookbehind */    OP_ASSERTBACK,     /* 127 Positive lookbehind */
2123    OP_ASSERTBACK_NOT, /* 122 Negative lookbehind */    OP_ASSERTBACK_NOT, /* 128 Negative lookbehind */
2124    
2125    /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately    /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately
2126    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
2127    subpattern that isn't an assertion. The POS versions must immediately follow    subpattern that isn't an assertion. The POS versions must immediately follow
2128    the non-POS versions in each case. */    the non-POS versions in each case. */
2129    
2130    OP_ONCE,           /* 123 Atomic group, contains captures */    OP_ONCE,           /* 129 Atomic group, contains captures */
2131    OP_ONCE_NC,        /* 124 Atomic group containing no captures */    OP_ONCE_NC,        /* 130 Atomic group containing no captures */
2132    OP_BRA,            /* 125 Start of non-capturing bracket */    OP_BRA,            /* 131 Start of non-capturing bracket */
2133    OP_BRAPOS,         /* 126 Ditto, with unlimited, possessive repeat */    OP_BRAPOS,         /* 132 Ditto, with unlimited, possessive repeat */
2134    OP_CBRA,           /* 127 Start of capturing bracket */    OP_CBRA,           /* 133 Start of capturing bracket */
2135    OP_CBRAPOS,        /* 128 Ditto, with unlimited, possessive repeat */    OP_CBRAPOS,        /* 134 Ditto, with unlimited, possessive repeat */
2136    OP_COND,           /* 129 Conditional group */    OP_COND,           /* 135 Conditional group */
2137    
2138    /* 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
2139    check for >= SBRA to distinguish the two sets. */    check for >= SBRA to distinguish the two sets. */
2140    
2141    OP_SBRA,           /* 130 Start of non-capturing bracket, check empty  */    OP_SBRA,           /* 136 Start of non-capturing bracket, check empty  */
2142    OP_SBRAPOS,        /* 131 Ditto, with unlimited, possessive repeat */    OP_SBRAPOS,        /* 137 Ditto, with unlimited, possessive repeat */
2143    OP_SCBRA,          /* 132 Start of capturing bracket, check empty */    OP_SCBRA,          /* 138 Start of capturing bracket, check empty */
2144    OP_SCBRAPOS,       /* 133 Ditto, with unlimited, possessive repeat */    OP_SCBRAPOS,       /* 139 Ditto, with unlimited, possessive repeat */
2145    OP_SCOND,          /* 134 Conditional group, check empty */    OP_SCOND,          /* 140 Conditional group, check empty */
2146    
2147    /* The next two pairs must (respectively) be kept together. */    /* The next two pairs must (respectively) be kept together. */
2148    
2149    OP_CREF,           /* 135 Used to hold a capture number as condition */    OP_CREF,           /* 141 Used to hold a capture number as condition */
2150    OP_NCREF,          /* 136 Same, but generated by a name reference*/    OP_DNCREF,         /* 142 Used to point to duplicate names as a condition */
2151    OP_RREF,           /* 137 Used to hold a recursion number as condition */    OP_RREF,           /* 143 Used to hold a recursion number as condition */
2152    OP_NRREF,          /* 138 Same, but generated by a name reference*/    OP_DNRREF,         /* 144 Used to point to duplicate names as a condition */
2153    OP_DEF,            /* 139 The DEFINE condition */    OP_DEF,            /* 145 The DEFINE condition */
2154    
2155    OP_BRAZERO,        /* 140 These two must remain together and in this */    OP_BRAZERO,        /* 146 These two must remain together and in this */
2156    OP_BRAMINZERO,     /* 141 order. */    OP_BRAMINZERO,     /* 147 order. */
2157    OP_BRAPOSZERO,     /* 142 */    OP_BRAPOSZERO,     /* 148 */
2158    
2159    /* These are backtracking control verbs */    /* These are backtracking control verbs */
2160    
2161    OP_MARK,           /* 143 always has an argument */    OP_MARK,           /* 149 always has an argument */
2162    OP_PRUNE,          /* 144 */    OP_PRUNE,          /* 150 */
2163    OP_PRUNE_ARG,      /* 145 same, but with argument */    OP_PRUNE_ARG,      /* 151 same, but with argument */
2164    OP_SKIP,           /* 146 */    OP_SKIP,           /* 152 */
2165    OP_SKIP_ARG,       /* 147 same, but with argument */    OP_SKIP_ARG,       /* 153 same, but with argument */
2166    OP_THEN,           /* 148 */    OP_THEN,           /* 154 */
2167    OP_THEN_ARG,       /* 149 same, but with argument */    OP_THEN_ARG,       /* 155 same, but with argument */
2168    OP_COMMIT,         /* 150 */    OP_COMMIT,         /* 156 */
2169    
2170    /* These are forced failure and success verbs */    /* These are forced failure and success verbs */
2171    
2172    OP_FAIL,           /* 151 */    OP_FAIL,           /* 157 */
2173    OP_ACCEPT,         /* 152 */    OP_ACCEPT,         /* 158 */
2174    OP_ASSERT_ACCEPT,  /* 153 Used inside assertions */    OP_ASSERT_ACCEPT,  /* 159 Used inside assertions */
2175    OP_CLOSE,          /* 154 Used before OP_ACCEPT to close open captures */    OP_CLOSE,          /* 160 Used before OP_ACCEPT to close open captures */
2176    
2177    /* This is used to skip a subpattern with a {0} quantifier */    /* This is used to skip a subpattern with a {0} quantifier */
2178    
2179    OP_SKIPZERO,       /* 155 */    OP_SKIPZERO,       /* 161 */
2180    
2181    /* 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
2182    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 2116  enum { Line 2187  enum {
2187    
2188  /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro  /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro
2189  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
2190  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
2191    pcre_dfa_exec.c that must be updated. */
2192    
2193    
2194  /* 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 2129  some cases doesn't actually use these na Line 2201  some cases doesn't actually use these na
2201    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \
2202    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \
2203    "extuni",  "\\Z", "\\z",                                        \    "extuni",  "\\Z", "\\z",                                        \
2204    "^", "^", "$", "$", "char", "chari", "not", "noti",             \    "$", "$", "^", "^", "char", "chari", "not", "noti",             \
2205    "*", "*?", "+", "+?", "?", "??",                                \    "*", "*?", "+", "+?", "?", "??",                                \
2206    "{", "{", "{",                                                  \    "{", "{", "{",                                                  \
2207    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
# Line 2145  some cases doesn't actually use these na Line 2217  some cases doesn't actually use these na
2217    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \
2218    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
2219    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \
2220    "class", "nclass", "xclass", "Ref", "Refi",                     \    "*+","++", "?+", "{",                                           \
2221      "class", "nclass", "xclass", "Ref", "Refi", "DnRef", "DnRefi",  \
2222    "Recurse", "Callout",                                           \    "Recurse", "Callout",                                           \
2223    "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos",                  \    "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos",                  \
2224    "Reverse", "Assert", "Assert not", "AssertB", "AssertB not",    \    "Reverse", "Assert", "Assert not", "AssertB", "AssertB not",    \
# Line 2154  some cases doesn't actually use these na Line 2227  some cases doesn't actually use these na
2227    "Cond",                                                         \    "Cond",                                                         \
2228    "SBra", "SBraPos", "SCBra", "SCBraPos",                         \    "SBra", "SBraPos", "SCBra", "SCBraPos",                         \
2229    "SCond",                                                        \    "SCond",                                                        \
2230    "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def",   \    "Cond ref", "Cond dnref", "Cond rec", "Cond dnrec", "Cond def", \
2231    "Brazero", "Braminzero", "Braposzero",                          \    "Brazero", "Braminzero", "Braposzero",                          \
2232    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \
2233    "*THEN", "*THEN", "*COMMIT", "*FAIL",                           \    "*THEN", "*THEN", "*COMMIT", "*FAIL",                           \
# Line 2179  in UTF-8 mode. The code that uses this t Line 2252  in UTF-8 mode. The code that uses this t
2252    3, 3,                          /* \P, \p                                 */ \    3, 3,                          /* \P, \p                                 */ \
2253    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \
2254    1,                             /* \X                                     */ \    1,                             /* \X                                     */ \
2255    1, 1, 1, 1, 1, 1,              /* \Z, \z, ^, ^M, $, $M                   */ \    1, 1, 1, 1, 1, 1,              /* \Z, \z, $, $M ^, ^M                    */ \
2256    2,                             /* Char  - the minimum length             */ \    2,                             /* Char  - the minimum length             */ \
2257    2,                             /* Chari  - the minimum length            */ \    2,                             /* Chari  - the minimum length            */ \
2258    2,                             /* not                                    */ \    2,                             /* not                                    */ \
# Line 2210  in UTF-8 mode. The code that uses this t Line 2283  in UTF-8 mode. The code that uses this t
2283    /* Character class & ref repeats                                         */ \    /* Character class & ref repeats                                         */ \
2284    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \    1, 1, 1, 1, 1, 1,              /* *, *?, +, +?, ?, ??                    */ \
2285    1+2*IMM2_SIZE, 1+2*IMM2_SIZE,  /* CRRANGE, CRMINRANGE                    */ \    1+2*IMM2_SIZE, 1+2*IMM2_SIZE,  /* CRRANGE, CRMINRANGE                    */ \
2286      1, 1, 1, 1+2*IMM2_SIZE,        /* Possessive *+, ++, ?+, CRPOSRANGE      */ \
2287    1+(32/sizeof(pcre_uchar)),     /* CLASS                                  */ \    1+(32/sizeof(pcre_uchar)),     /* CLASS                                  */ \
2288    1+(32/sizeof(pcre_uchar)),     /* NCLASS                                 */ \    1+(32/sizeof(pcre_uchar)),     /* NCLASS                                 */ \
2289    0,                             /* XCLASS - variable length               */ \    0,                             /* XCLASS - variable length               */ \
2290    1+IMM2_SIZE,                   /* REF                                    */ \    1+IMM2_SIZE,                   /* REF                                    */ \
2291    1+IMM2_SIZE,                   /* REFI                                   */ \    1+IMM2_SIZE,                   /* REFI                                   */ \
2292      1+2*IMM2_SIZE,                 /* DNREF                                  */ \
2293      1+2*IMM2_SIZE,                 /* DNREFI                                 */ \
2294    1+LINK_SIZE,                   /* RECURSE                                */ \    1+LINK_SIZE,                   /* RECURSE                                */ \
2295    2+2*LINK_SIZE,                 /* CALLOUT                                */ \    2+2*LINK_SIZE,                 /* CALLOUT                                */ \
2296    1+LINK_SIZE,                   /* Alt                                    */ \    1+LINK_SIZE,                   /* Alt                                    */ \
# Line 2239  in UTF-8 mode. The code that uses this t Line 2315  in UTF-8 mode. The code that uses this t
2315    1+LINK_SIZE+IMM2_SIZE,         /* SCBRA                                  */ \    1+LINK_SIZE+IMM2_SIZE,         /* SCBRA                                  */ \
2316    1+LINK_SIZE+IMM2_SIZE,         /* SCBRAPOS                               */ \    1+LINK_SIZE+IMM2_SIZE,         /* SCBRAPOS                               */ \
2317    1+LINK_SIZE,                   /* SCOND                                  */ \    1+LINK_SIZE,                   /* SCOND                                  */ \
2318    1+IMM2_SIZE, 1+IMM2_SIZE,      /* CREF, NCREF                            */ \    1+IMM2_SIZE, 1+2*IMM2_SIZE,    /* CREF, DNCREF                           */ \
2319    1+IMM2_SIZE, 1+IMM2_SIZE,      /* RREF, NRREF                            */ \    1+IMM2_SIZE, 1+2*IMM2_SIZE,    /* RREF, DNRREF                           */ \
2320    1,                             /* DEF                                    */ \    1,                             /* DEF                                    */ \
2321    1, 1, 1,                       /* BRAZERO, BRAMINZERO, BRAPOSZERO        */ \    1, 1, 1,                       /* BRAZERO, BRAMINZERO, BRAPOSZERO        */ \
2322    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \
# Line 2249  in UTF-8 mode. The code that uses this t Line 2325  in UTF-8 mode. The code that uses this t
2325    1, 1, 1, 1,                    /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT    */ \    1, 1, 1, 1,                    /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT    */ \
2326    1+IMM2_SIZE, 1                 /* CLOSE, SKIPZERO                        */    1+IMM2_SIZE, 1                 /* CLOSE, SKIPZERO                        */
2327    
2328  /* 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. */  
2329    
2330  #define RREF_ANY  0xffff  #define RREF_ANY  0xffff
2331    
# Line 2265  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4, Line 2340  enum { ERR0,  ERR1,  ERR2,  ERR3,  ERR4,
2340         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,         ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49,
2341         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,         ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59,
2342         ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,         ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69,
2343         ERR70, ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERRCOUNT };         ERR70, ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERR78, ERR79,
2344           ERR80, ERR81, ERR82, ERR83, ERR84, ERRCOUNT };
2345    
2346  /* JIT compiling modes. The function list is indexed by them. */  /* JIT compiling modes. The function list is indexed by them. */
2347    
2348  enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COMPILE, JIT_PARTIAL_HARD_COMPILE,  enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COMPILE, JIT_PARTIAL_HARD_COMPILE,
2349         JIT_NUMBER_OF_COMPILE_MODES };         JIT_NUMBER_OF_COMPILE_MODES };
2350    
# Line 2275  enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COM Line 2352  enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COM
2352  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
2353  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
2354  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
2355  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  
 */  
2356    
2357  #if defined COMPILE_PCRE8  The size of the structure must be a multiple of 8 bytes. For the case of
2358  #define REAL_PCRE real_pcre  compiled-on-4 and run-on-8, we include an extra pointer that is always NULL so
2359  #elif defined COMPILE_PCRE16  that there are an even number of pointers which therefore are a multiple of 8
2360  #define REAL_PCRE real_pcre16  bytes.
2361  #elif defined COMPILE_PCRE32  
2362  #define REAL_PCRE real_pcre32  It is necessary to fork the struct for the 32 bit library, since it needs to
2363  #endif  use pcre_uint32 for first_char and req_char. We can't put an ifdef inside the
2364    typedef because pcretest needs access to the struct of the 8-, 16- and 32-bit
2365  /* It is necessary to fork the struct for 32 bit, since it needs to use  variants.
2366   * pcre_uchar for first_char and req_char. Can't put an ifdef inside the  
2367   * typedef since pcretest needs access to  the struct of the 8-, 16-  *** WARNING ***
2368   * and 32-bit variants. */  When new fields are added to these structures, remember to adjust the code in
2369    pcre_byte_order.c that is concerned with swapping the byte order of the fields
2370    when a compiled regex is reloaded on a host with different endianness.
2371    *** WARNING ***
2372    There is also similar byte-flipping code in pcretest.c, which is used for
2373    testing the byte-flipping features. It must also be kept in step.
2374    *** WARNING ***
2375    */
2376    
2377  typedef struct real_pcre8_or_16 {  typedef struct real_pcre8_or_16 {
2378    pcre_uint32 magic_number;    pcre_uint32 magic_number;
2379    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
2380    pcre_uint32 options;            /* Public options */    pcre_uint32 options;            /* Public options */
2381    pcre_uint16 flags;              /* Private flags */    pcre_uint32 flags;              /* Private flags */
2382      pcre_uint32 limit_match;        /* Limit set from regex */
2383      pcre_uint32 limit_recursion;    /* Limit set from regex */
2384      pcre_uint16 first_char;         /* Starting character */
2385      pcre_uint16 req_char;           /* This character must be seen */
2386    pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */    pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */
2387    pcre_uint16 top_bracket;        /* Highest numbered group */    pcre_uint16 top_bracket;        /* Highest numbered group */
2388    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 */  
2389    pcre_uint16 name_table_offset;  /* Offset to name table that follows */    pcre_uint16 name_table_offset;  /* Offset to name table that follows */
2390    pcre_uint16 name_entry_size;    /* Size of any name items */    pcre_uint16 name_entry_size;    /* Size of any name items */
2391    pcre_uint16 name_count;         /* Number of name items */    pcre_uint16 name_count;         /* Number of name items */
2392    pcre_uint16 ref_count;          /* Reference count */    pcre_uint16 ref_count;          /* Reference count */
2393      pcre_uint16 dummy1;             /* To ensure size is a multiple of 8 */
2394      pcre_uint16 dummy2;             /* To ensure size is a multiple of 8 */
2395      pcre_uint16 dummy3;             /* To ensure size is a multiple of 8 */
2396    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */
2397    const pcre_uint8 *nullpad;      /* NULL padding */    void             *nullpad;      /* NULL padding */
2398  } real_pcre8_or_16;  } real_pcre8_or_16;
2399    
2400  typedef struct real_pcre8_or_16 real_pcre;  typedef struct real_pcre8_or_16 real_pcre;
# Line 2326  typedef struct real_pcre32 { Line 2404  typedef struct real_pcre32 {
2404    pcre_uint32 magic_number;    pcre_uint32 magic_number;
2405    pcre_uint32 size;               /* Total that was malloced */    pcre_uint32 size;               /* Total that was malloced */
2406    pcre_uint32 options;            /* Public options */    pcre_uint32 options;            /* Public options */
2407    pcre_uint16 flags;              /* Private flags */    pcre_uint32 flags;              /* Private flags */
2408      pcre_uint32 limit_match;        /* Limit set from regex */
2409      pcre_uint32 limit_recursion;    /* Limit set from regex */
2410      pcre_uint32 first_char;         /* Starting character */
2411      pcre_uint32 req_char;           /* This character must be seen */
2412    pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */    pcre_uint16 max_lookbehind;     /* Longest lookbehind (characters) */
2413    pcre_uint16 top_bracket;        /* Highest numbered group */    pcre_uint16 top_bracket;        /* Highest numbered group */
2414    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 */  
2415    pcre_uint16 name_table_offset;  /* Offset to name table that follows */    pcre_uint16 name_table_offset;  /* Offset to name table that follows */
2416    pcre_uint16 name_entry_size;    /* Size of any name items */    pcre_uint16 name_entry_size;    /* Size of any name items */
2417    pcre_uint16 name_count;         /* Number of name items */    pcre_uint16 name_count;         /* Number of name items */
2418    pcre_uint16 ref_count;          /* Reference count */    pcre_uint16 ref_count;          /* Reference count */
2419    pcre_uint16 dummy1;             /* for later expansion */    pcre_uint16 dummy;              /* To ensure size is a multiple of 8 */
   pcre_uint16 dummy2;             /* for later expansion */  
2420    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */    const pcre_uint8 *tables;       /* Pointer to tables or NULL for std */
2421    void *nullpad;                  /* for later expansion */    void             *nullpad;      /* NULL padding */
2422  } real_pcre32;  } real_pcre32;
2423    
2424    #if defined COMPILE_PCRE8
2425    #define REAL_PCRE real_pcre
2426    #elif defined COMPILE_PCRE16
2427    #define REAL_PCRE real_pcre16
2428    #elif defined COMPILE_PCRE32
2429    #define REAL_PCRE real_pcre32
2430    #endif
2431    
2432  /* Assert that the size of REAL_PCRE is divisible by 8 */  /* Assert that the size of REAL_PCRE is divisible by 8 */
2433  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];
2434    
# Line 2375  typedef struct open_capitem { Line 2462  typedef struct open_capitem {
2462    pcre_uint16 flag;             /* Set TRUE if recursive back ref */    pcre_uint16 flag;             /* Set TRUE if recursive back ref */
2463  } open_capitem;  } open_capitem;
2464    
2465    /* Structure for building a list of named groups during the first pass of
2466    compiling. */
2467    
2468    typedef struct named_group {
2469      const pcre_uchar  *name;          /* Points to the name in the pattern */
2470      int                length;        /* Length of the name */
2471      pcre_uint32        number;        /* Group number */
2472    } named_group;
2473    
2474  /* Structure for passing "static" information around between the functions  /* Structure for passing "static" information around between the functions
2475  doing the compiling, so that they are thread-safe. */  doing the compiling, so that they are thread-safe. */
2476    
# Line 2387  typedef struct compile_data { Line 2483  typedef struct compile_data {
2483    const pcre_uchar *start_code;     /* The start of the compiled code */    const pcre_uchar *start_code;     /* The start of the compiled code */
2484    const pcre_uchar *start_pattern;  /* The start of the pattern */    const pcre_uchar *start_pattern;  /* The start of the pattern */
2485    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 */  
2486    pcre_uchar *hwm;                  /* High watermark of workspace */    pcre_uchar *hwm;                  /* High watermark of workspace */
2487      open_capitem *open_caps;          /* Chain of open capture items */
2488      named_group *named_groups;        /* Points to vector in pre-compile */
2489    pcre_uchar *name_table;           /* The name/number table */    pcre_uchar *name_table;           /* The name/number table */
2490    int  names_found;                 /* Number of entries so far */    int  names_found;                 /* Number of entries so far */
2491    int  name_entry_size;             /* Size of each entry */    int  name_entry_size;             /* Size of each entry */
2492      int  named_group_list_size;       /* Number of entries in the list */
2493    int  workspace_size;              /* Size of workspace */    int  workspace_size;              /* Size of workspace */
2494    int  bracount;                    /* Count of capturing parens as we compile */    unsigned int bracount;            /* Count of capturing parens as we compile */
2495    int  final_bracount;              /* Saved value after first pass */    int  final_bracount;              /* Saved value after first pass */
2496    int  max_lookbehind;              /* Maximum lookbehind (characters) */    int  max_lookbehind;              /* Maximum lookbehind (characters) */
2497    int  top_backref;                 /* Maximum back reference */    int  top_backref;                 /* Maximum back reference */
2498    unsigned int backref_map;         /* Bitmap of low back refs */    unsigned int backref_map;         /* Bitmap of low back refs */
2499      unsigned int namedrefcount;       /* Number of backreferences by name */
2500      int  parens_depth;                /* Depth of nested parentheses */
2501    int  assert_depth;                /* Depth of nested assertions */    int  assert_depth;                /* Depth of nested assertions */
2502    int  external_options;            /* External (initial) options */    pcre_uint32 external_options;     /* External (initial) options */
2503    int  external_flags;              /* External flag bits to be set */    pcre_uint32 external_flags;       /* External flag bits to be set */
2504    int  req_varyopt;                 /* "After variable item" flag for reqbyte */    int  req_varyopt;                 /* "After variable item" flag for reqbyte */
2505    BOOL had_accept;                  /* (*ACCEPT) encountered */    BOOL had_accept;                  /* (*ACCEPT) encountered */
2506    BOOL had_pruneorskip;             /* (*PRUNE) or (*SKIP) encountered */    BOOL had_pruneorskip;             /* (*PRUNE) or (*SKIP) encountered */
2507    BOOL check_lookbehind;            /* Lookbehinds need later checking */    BOOL check_lookbehind;            /* Lookbehinds need later checking */
2508      BOOL dupnames;                    /* Duplicate names exist */
2509    int  nltype;                      /* Newline type */    int  nltype;                      /* Newline type */
2510    int  nllen;                       /* Newline string length */    int  nllen;                       /* Newline string length */
2511    pcre_uchar nl[4];                 /* Newline string when fixed length */    pcre_uchar nl[4];                 /* Newline string when fixed length */
# Line 2423  call within the pattern; used by pcre_ex Line 2524  call within the pattern; used by pcre_ex
2524    
2525  typedef struct recursion_info {  typedef struct recursion_info {
2526    struct recursion_info *prevrec; /* Previous recursion record (or NULL) */    struct recursion_info *prevrec; /* Previous recursion record (or NULL) */
2527    int group_num;                  /* Number of group that was called */    unsigned int group_num;         /* Number of group that was called */
2528    int *offset_save;               /* Pointer to start of saved offsets */    int *offset_save;               /* Pointer to start of saved offsets */
2529    int saved_max;                  /* Number of saved offsets */    int saved_max;                  /* Number of saved offsets */
2530      int saved_capture_last;         /* Last capture number */
2531    PCRE_PUCHAR subject_position;   /* Position at start of recursion */    PCRE_PUCHAR subject_position;   /* Position at start of recursion */
2532  } recursion_info;  } recursion_info;
2533    
# Line 2462  typedef struct match_data { Line 2564  typedef struct match_data {
2564    int    nllen;                   /* Newline string length */    int    nllen;                   /* Newline string length */
2565    int    name_count;              /* Number of names in name table */    int    name_count;              /* Number of names in name table */
2566    int    name_entry_size;         /* Size of entry in names table */    int    name_entry_size;         /* Size of entry in names table */
2567      unsigned int skip_arg_count;    /* For counting SKIP_ARGs */
2568      unsigned int ignore_skip_arg;   /* For re-run when SKIP arg name not found */
2569    pcre_uchar *name_table;         /* Table of names */    pcre_uchar *name_table;         /* Table of names */
2570    pcre_uchar nl[4];               /* Newline string when fixed */    pcre_uchar nl[4];               /* Newline string when fixed */
2571    const  pcre_uint8 *lcc;         /* Points to lower casing table */    const  pcre_uint8 *lcc;         /* Points to lower casing table */
2572    const  pcre_uint8 *fcc;         /* Points to case-flipping table */    const  pcre_uint8 *fcc;         /* Points to case-flipping table */
2573    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 */  
2574    BOOL   notbol;                  /* NOTBOL flag */    BOOL   notbol;                  /* NOTBOL flag */
2575    BOOL   noteol;                  /* NOTEOL flag */    BOOL   noteol;                  /* NOTEOL flag */
2576    BOOL   utf;                     /* UTF-8 / UTF-16 flag */    BOOL   utf;                     /* UTF-8 / UTF-16 flag */
# Line 2479  typedef struct match_data { Line 2582  typedef struct match_data {
2582    BOOL   hitend;                  /* Hit the end of the subject at some point */    BOOL   hitend;                  /* Hit the end of the subject at some point */
2583    BOOL   bsr_anycrlf;             /* \R is just any CRLF, not full Unicode */    BOOL   bsr_anycrlf;             /* \R is just any CRLF, not full Unicode */
2584    BOOL   hasthen;                 /* Pattern contains (*THEN) */    BOOL   hasthen;                 /* Pattern contains (*THEN) */
   BOOL   ignore_skip_arg;         /* For re-run when SKIP name not found */  
2585    const  pcre_uchar *start_code;  /* For use when recursing */    const  pcre_uchar *start_code;  /* For use when recursing */
2586    PCRE_PUCHAR start_subject;      /* Start of the subject string */    PCRE_PUCHAR start_subject;      /* Start of the subject string */
2587    PCRE_PUCHAR end_subject;        /* End of the subject string */    PCRE_PUCHAR end_subject;        /* End of the subject string */
# Line 2488  typedef struct match_data { Line 2590  typedef struct match_data {
2590    PCRE_PUCHAR start_used_ptr;     /* Earliest consulted character */    PCRE_PUCHAR start_used_ptr;     /* Earliest consulted character */
2591    int    partial;                 /* PARTIAL options */    int    partial;                 /* PARTIAL options */
2592    int    end_offset_top;          /* Highwater mark at end of match */    int    end_offset_top;          /* Highwater mark at end of match */
2593    int    capture_last;            /* Most recent capture number */    pcre_int32 capture_last;        /* Most recent capture number + overflow flag */
2594    int    start_offset;            /* The start offset value */    int    start_offset;            /* The start offset value */
2595    int    match_function_type;     /* Set for certain special calls of MATCH() */    int    match_function_type;     /* Set for certain special calls of MATCH() */
2596    eptrblock *eptrchain;           /* Chain of eptrblocks for tail recursions */    eptrblock *eptrchain;           /* Chain of eptrblocks for tail recursions */
# Line 2681  extern int               PRIV(strcmp_uc_ Line 2783  extern int               PRIV(strcmp_uc_
2783  extern const pcre_uchar *PRIV(find_bracket)(const pcre_uchar *, BOOL, int);  extern const pcre_uchar *PRIV(find_bracket)(const pcre_uchar *, BOOL, int);
2784  extern BOOL              PRIV(is_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,  extern BOOL              PRIV(is_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
2785                             int *, BOOL);                             int *, BOOL);
2786  extern int               PRIV(ord2utf)(pcre_uint32, pcre_uchar *);  extern unsigned int      PRIV(ord2utf)(pcre_uint32, pcre_uchar *);
2787  extern int               PRIV(valid_utf)(PCRE_PUCHAR, int, int *);  extern int               PRIV(valid_utf)(PCRE_PUCHAR, int, int *);
2788  extern BOOL              PRIV(was_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,  extern BOOL              PRIV(was_newline)(PCRE_PUCHAR, int, PCRE_PUCHAR,
2789                             int *, BOOL);                             int *, BOOL);
# Line 2690  extern BOOL              PRIV(xclass)(pc Line 2792  extern BOOL              PRIV(xclass)(pc
2792  #ifdef SUPPORT_JIT  #ifdef SUPPORT_JIT
2793  extern void              PRIV(jit_compile)(const REAL_PCRE *,  extern void              PRIV(jit_compile)(const REAL_PCRE *,
2794                             PUBL(extra) *, int);                             PUBL(extra) *, int);
2795  extern int               PRIV(jit_exec)(const REAL_PCRE *, const PUBL(extra) *,  extern int               PRIV(jit_exec)(const PUBL(extra) *,
2796                             const pcre_uchar *, int, int, int, int *, int);                             const pcre_uchar *, int, int, int, int *, int);
2797  extern void              PRIV(jit_free)(void *);  extern void              PRIV(jit_free)(void *);
2798  extern int               PRIV(jit_get_size)(void *);  extern int               PRIV(jit_get_size)(void *);

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