/[pcre]/code/trunk/pcre_compile.c
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revision 205 by ph10, Fri Aug 3 13:18:33 2007 UTC revision 226 by ph10, Tue Aug 21 11:46:08 2007 UTC
# Line 140  static const short int escapes[] = { Line 140  static const short int escapes[] = {
140  #endif  #endif
141    
142    
143    /* Table of special "verbs" like (*PRUNE) */
144    
145    typedef struct verbitem {
146      const char *name;
147      int   len;
148      int   op;
149    } verbitem;
150    
151    static verbitem verbs[] = {
152      { "ACCEPT", 6, OP_ACCEPT },
153      { "COMMIT", 6, OP_COMMIT },
154      { "F",      1, OP_FAIL },
155      { "FAIL",   4, OP_FAIL },
156      { "PRUNE",  5, OP_PRUNE },
157      { "SKIP",   4, OP_SKIP  },
158      { "THEN",   4, OP_THEN  }
159    };
160    
161    static int verbcount = sizeof(verbs)/sizeof(verbitem);
162    
163    
164  /* Tables of names of POSIX character classes and their lengths. The list is  /* Tables of names of POSIX character classes and their lengths. The list is
165  terminated by a zero length entry. The first three must be alpha, lower, upper,  terminated by a zero length entry. The first three must be alpha, lower, upper,
166  as this is assumed for handling case independence. */  as this is assumed for handling case independence. */
# Line 258  static const char *error_texts[] = { Line 279  static const char *error_texts[] = {
279    "repeating a DEFINE group is not allowed",    "repeating a DEFINE group is not allowed",
280    "inconsistent NEWLINE options",    "inconsistent NEWLINE options",
281    "\\g is not followed by a braced name or an optionally braced non-zero number",    "\\g is not followed by a braced name or an optionally braced non-zero number",
282    "(?+ or (?- or (?(+ or (?(- must be followed by a non-zero number"    "(?+ or (?- or (?(+ or (?(- must be followed by a non-zero number",
283      "(*VERB) with an argument is not supported",
284      /* 60 */
285      "(*VERB) not recognized",
286      "number is too big"
287  };  };
288    
289    
# Line 415  Arguments: Line 440  Arguments:
440    
441  Returns:         zero or positive => a data character  Returns:         zero or positive => a data character
442                   negative => a special escape sequence                   negative => a special escape sequence
443                   on error, errorptr is set                   on error, errorcodeptr is set
444  */  */
445    
446  static int  static int
# Line 500  else Line 525  else
525      while ((digitab[ptr[1]] & ctype_digit) != 0)      while ((digitab[ptr[1]] & ctype_digit) != 0)
526        c = c * 10 + *(++ptr) - '0';        c = c * 10 + *(++ptr) - '0';
527    
528        if (c < 0)
529          {
530          *errorcodeptr = ERR61;
531          break;
532          }
533    
534      if (c == 0 || (braced && *(++ptr) != '}'))      if (c == 0 || (braced && *(++ptr) != '}'))
535        {        {
536        *errorcodeptr = ERR57;        *errorcodeptr = ERR57;
537        return 0;        break;
538        }        }
539    
540      if (negated)      if (negated)
# Line 511  else Line 542  else
542        if (c > bracount)        if (c > bracount)
543          {          {
544          *errorcodeptr = ERR15;          *errorcodeptr = ERR15;
545          return 0;          break;
546          }          }
547        c = bracount - (c - 1);        c = bracount - (c - 1);
548        }        }
# Line 540  else Line 571  else
571        c -= '0';        c -= '0';
572        while ((digitab[ptr[1]] & ctype_digit) != 0)        while ((digitab[ptr[1]] & ctype_digit) != 0)
573          c = c * 10 + *(++ptr) - '0';          c = c * 10 + *(++ptr) - '0';
574          if (c < 0)
575            {
576            *errorcodeptr = ERR61;
577            break;
578            }
579        if (c < 10 || c <= bracount)        if (c < 10 || c <= bracount)
580          {          {
581          c = -(ESC_REF + c);          c = -(ESC_REF + c);
# Line 635  else Line 671  else
671      if (c == 0)      if (c == 0)
672        {        {
673        *errorcodeptr = ERR2;        *errorcodeptr = ERR2;
674        return 0;        break;
675        }        }
676    
677  #ifndef EBCDIC  /* ASCII coding */  #ifndef EBCDIC  /* ASCII coding */
# Line 914  for (; *ptr != 0; ptr++) Line 950  for (; *ptr != 0; ptr++)
950      {      {
951      while (*(++ptr) != ']')      while (*(++ptr) != ']')
952        {        {
953          if (*ptr == 0) return -1;
954        if (*ptr == '\\')        if (*ptr == '\\')
955          {          {
956          if (*(++ptr) == 0) return -1;          if (*(++ptr) == 0) return -1;
# Line 941  for (; *ptr != 0; ptr++) Line 978  for (; *ptr != 0; ptr++)
978    /* An opening parens must now be a real metacharacter */    /* An opening parens must now be a real metacharacter */
979    
980    if (*ptr != '(') continue;    if (*ptr != '(') continue;
981    if (ptr[1] != '?')    if (ptr[1] != '?' && ptr[1] != '*')
982      {      {
983      count++;      count++;
984      if (name == NULL && count == lorn) return count;      if (name == NULL && count == lorn) return count;
# Line 1069  for (;;) Line 1106  for (;;)
1106    {    {
1107    int d;    int d;
1108    register int op = *cc;    register int op = *cc;
   
1109    switch (op)    switch (op)
1110      {      {
1111      case OP_CBRA:      case OP_CBRA:
# Line 1158  for (;;) Line 1194  for (;;)
1194    
1195      case OP_TYPEEXACT:      case OP_TYPEEXACT:
1196      branchlength += GET2(cc,1);      branchlength += GET2(cc,1);
1197        if (cc[3] == OP_PROP || cc[3] == OP_NOTPROP) cc += 2;
1198      cc += 4;      cc += 4;
1199      break;      break;
1200    
# Line 1266  for (;;) Line 1303  for (;;)
1303      code += _pcre_OP_lengths[c];      code += _pcre_OP_lengths[c];
1304      }      }
1305    
1306    /* In UTF-8 mode, opcodes that are followed by a character may be followed by    /* Otherwise, we can get the item's length from the table, except that for
1307    a multi-byte character. The length in the table is a minimum, so we have to    repeated character types, we have to test for \p and \P, which have an extra
1308    arrange to skip the extra bytes. */    two bytes of parameters. */
1309    
1310    else    else
1311      {      {
1312        switch(c)
1313          {
1314          case OP_TYPESTAR:
1315          case OP_TYPEMINSTAR:
1316          case OP_TYPEPLUS:
1317          case OP_TYPEMINPLUS:
1318          case OP_TYPEQUERY:
1319          case OP_TYPEMINQUERY:
1320          case OP_TYPEPOSSTAR:
1321          case OP_TYPEPOSPLUS:
1322          case OP_TYPEPOSQUERY:
1323          if (code[1] == OP_PROP || code[1] == OP_NOTPROP) code += 2;
1324          break;
1325    
1326          case OP_TYPEUPTO:
1327          case OP_TYPEMINUPTO:
1328          case OP_TYPEEXACT:
1329          case OP_TYPEPOSUPTO:
1330          if (code[3] == OP_PROP || code[3] == OP_NOTPROP) code += 2;
1331          break;
1332          }
1333    
1334        /* Add in the fixed length from the table */
1335    
1336      code += _pcre_OP_lengths[c];      code += _pcre_OP_lengths[c];
1337    
1338      /* In UTF-8 mode, opcodes that are followed by a character may be followed by
1339      a multi-byte character. The length in the table is a minimum, so we have to
1340      arrange to skip the extra bytes. */
1341    
1342  #ifdef SUPPORT_UTF8  #ifdef SUPPORT_UTF8
1343      if (utf8) switch(c)      if (utf8) switch(c)
1344        {        {
# Line 1330  for (;;) Line 1396  for (;;)
1396    
1397    if (c == OP_XCLASS) code += GET(code, 1);    if (c == OP_XCLASS) code += GET(code, 1);
1398    
1399    /* Otherwise, we get the item's length from the table. In UTF-8 mode, opcodes    /* Otherwise, we can get the item's length from the table, except that for
1400    that are followed by a character may be followed by a multi-byte character.    repeated character types, we have to test for \p and \P, which have an extra
1401    The length in the table is a minimum, so we have to arrange to skip the extra    two bytes of parameters. */
   bytes. */  
1402    
1403    else    else
1404      {      {
1405        switch(c)
1406          {
1407          case OP_TYPESTAR:
1408          case OP_TYPEMINSTAR:
1409          case OP_TYPEPLUS:
1410          case OP_TYPEMINPLUS:
1411          case OP_TYPEQUERY:
1412          case OP_TYPEMINQUERY:
1413          case OP_TYPEPOSSTAR:
1414          case OP_TYPEPOSPLUS:
1415          case OP_TYPEPOSQUERY:
1416          if (code[1] == OP_PROP || code[1] == OP_NOTPROP) code += 2;
1417          break;
1418    
1419          case OP_TYPEPOSUPTO:
1420          case OP_TYPEUPTO:
1421          case OP_TYPEMINUPTO:
1422          case OP_TYPEEXACT:
1423          if (code[3] == OP_PROP || code[3] == OP_NOTPROP) code += 2;
1424          break;
1425          }
1426    
1427        /* Add in the fixed length from the table */
1428    
1429      code += _pcre_OP_lengths[c];      code += _pcre_OP_lengths[c];
1430    
1431        /* In UTF-8 mode, opcodes that are followed by a character may be followed
1432        by a multi-byte character. The length in the table is a minimum, so we have
1433        to arrange to skip the extra bytes. */
1434    
1435  #ifdef SUPPORT_UTF8  #ifdef SUPPORT_UTF8
1436      if (utf8) switch(c)      if (utf8) switch(c)
1437        {        {
# Line 1409  for (code = first_significant_code(code Line 1503  for (code = first_significant_code(code
1503    
1504    /* For other groups, scan the branches. */    /* For other groups, scan the branches. */
1505    
1506    if (c == OP_BRA || c == OP_CBRA || c == OP_ONCE)    if (c == OP_BRA || c == OP_CBRA || c == OP_ONCE || c == OP_COND)
1507      {      {
1508      BOOL empty_branch;      BOOL empty_branch;
1509      if (GET(code, 1) == 0) return TRUE;    /* Hit unclosed bracket */      if (GET(code, 1) == 0) return TRUE;    /* Hit unclosed bracket */
# Line 1433  for (code = first_significant_code(code Line 1527  for (code = first_significant_code(code
1527    
1528    switch (c)    switch (c)
1529      {      {
1530      /* Check for quantifiers after a class */      /* Check for quantifiers after a class. XCLASS is used for classes that
1531        cannot be represented just by a bit map. This includes negated single
1532        high-valued characters. The length in _pcre_OP_lengths[] is zero; the
1533        actual length is stored in the compiled code, so we must update "code"
1534        here. */
1535    
1536  #ifdef SUPPORT_UTF8  #ifdef SUPPORT_UTF8
1537      case OP_XCLASS:      case OP_XCLASS:
1538      ccode = code + GET(code, 1);      ccode = code += GET(code, 1);
1539      goto CHECK_CLASS_REPEAT;      goto CHECK_CLASS_REPEAT;
1540  #endif  #endif
1541    
# Line 1498  for (code = first_significant_code(code Line 1596  for (code = first_significant_code(code
1596      case OP_TYPEPOSPLUS:      case OP_TYPEPOSPLUS:
1597      case OP_TYPEEXACT:      case OP_TYPEEXACT:
1598      return FALSE;      return FALSE;
1599    
1600        /* These are going to continue, as they may be empty, but we have to
1601        fudge the length for the \p and \P cases. */
1602    
1603        case OP_TYPESTAR:
1604        case OP_TYPEMINSTAR:
1605        case OP_TYPEPOSSTAR:
1606        case OP_TYPEQUERY:
1607        case OP_TYPEMINQUERY:
1608        case OP_TYPEPOSQUERY:
1609        if (code[1] == OP_PROP || code[1] == OP_NOTPROP) code += 2;
1610        break;
1611    
1612        /* Same for these */
1613    
1614        case OP_TYPEUPTO:
1615        case OP_TYPEMINUPTO:
1616        case OP_TYPEPOSUPTO:
1617        if (code[3] == OP_PROP || code[3] == OP_NOTPROP) code += 2;
1618        break;
1619    
1620      /* End of branch */      /* End of branch */
1621    
# Line 1661  adjust_recurse(uschar *group, int adjust Line 1779  adjust_recurse(uschar *group, int adjust
1779    uschar *save_hwm)    uschar *save_hwm)
1780  {  {
1781  uschar *ptr = group;  uschar *ptr = group;
1782    
1783  while ((ptr = (uschar *)find_recurse(ptr, utf8)) != NULL)  while ((ptr = (uschar *)find_recurse(ptr, utf8)) != NULL)
1784    {    {
1785    int offset;    int offset;
# Line 2454  for (;; ptr++) Line 2573  for (;; ptr++)
2573        }        }
2574    
2575      /* If the first character is '^', set the negation flag and skip it. Also,      /* If the first character is '^', set the negation flag and skip it. Also,
2576      if the first few characters (either before or after ^) are \Q\E or \E we      if the first few characters (either before or after ^) are \Q\E or \E we
2577      skip them too. This makes for compatibility with Perl. */      skip them too. This makes for compatibility with Perl. */
2578    
2579      negate_class = FALSE;      negate_class = FALSE;
2580      for (;;)      for (;;)
2581        {        {
2582        c = *(++ptr);        c = *(++ptr);
2583        if (c == '\\')        if (c == '\\')
2584          {          {
2585          if (ptr[1] == 'E') ptr++;          if (ptr[1] == 'E') ptr++;
2586            else if (strncmp((const char *)ptr+1, "Q\\E", 3) == 0) ptr += 3;            else if (strncmp((const char *)ptr+1, "Q\\E", 3) == 0) ptr += 3;
2587              else break;              else break;
2588          }          }
2589        else if (!negate_class && c == '^')        else if (!negate_class && c == '^')
2590          negate_class = TRUE;          negate_class = TRUE;
2591        else break;        else break;
2592        }        }
2593    
2594      /* Keep a count of chars with values < 256 so that we can optimize the case      /* Keep a count of chars with values < 256 so that we can optimize the case
2595      of just a single character (as long as it's < 256). However, For higher      of just a single character (as long as it's < 256). However, For higher
# Line 2630  for (;; ptr++) Line 2749  for (;; ptr++)
2749            else inescq = TRUE;            else inescq = TRUE;
2750            continue;            continue;
2751            }            }
2752            else if (-c == ESC_E) continue;  /* Ignore orphan \E */
2753    
2754          if (c < 0)          if (c < 0)
2755            {            {
# Line 3076  for (;; ptr++) Line 3196  for (;; ptr++)
3196        goto FAILED;        goto FAILED;
3197        }        }
3198    
3199        /* Remember whether \r or \n are in this class */
3200    
3201        if (negate_class)
3202          {
3203          if ((classbits[1] & 0x24) != 0x24) cd->external_options |= PCRE_HASCRORLF;
3204          }
3205        else
3206          {
3207          if ((classbits[1] & 0x24) != 0) cd->external_options |= PCRE_HASCRORLF;
3208          }
3209    
3210      /* If class_charcount is 1, we saw precisely one character whose value is      /* If class_charcount is 1, we saw precisely one character whose value is
3211      less than 256. In non-UTF-8 mode we can always optimize. In UTF-8 mode, we      less than 256. As long as there were no characters >= 128 and there was no
3212      can optimize the negative case only if there were no characters >= 128      use of \p or \P, in other words, no use of any XCLASS features, we can
3213      because OP_NOT and the related opcodes like OP_NOTSTAR operate on      optimize.
3214      single-bytes only. This is an historical hangover. Maybe one day we can  
3215      tidy these opcodes to handle multi-byte characters.      In UTF-8 mode, we can optimize the negative case only if there were no
3216        characters >= 128 because OP_NOT and the related opcodes like OP_NOTSTAR
3217        operate on single-bytes only. This is an historical hangover. Maybe one day
3218        we can tidy these opcodes to handle multi-byte characters.
3219    
3220      The optimization throws away the bit map. We turn the item into a      The optimization throws away the bit map. We turn the item into a
3221      1-character OP_CHAR[NC] if it's positive, or OP_NOT if it's negative. Note      1-character OP_CHAR[NC] if it's positive, or OP_NOT if it's negative. Note
# Line 3091  for (;; ptr++) Line 3225  for (;; ptr++)
3225      reqbyte, save the previous value for reinstating. */      reqbyte, save the previous value for reinstating. */
3226    
3227  #ifdef SUPPORT_UTF8  #ifdef SUPPORT_UTF8
3228      if (class_charcount == 1 &&      if (class_charcount == 1 && !class_utf8 &&
3229            (!utf8 ||        (!utf8 || !negate_class || class_lastchar < 128))
           (!class_utf8 && (!negate_class || class_lastchar < 128))))  
   
3230  #else  #else
3231      if (class_charcount == 1)      if (class_charcount == 1)
3232  #endif  #endif
# Line 3860  for (;; ptr++) Line 3992  for (;; ptr++)
3992      /* ===================================================================*/      /* ===================================================================*/
3993      /* Start of nested parenthesized sub-expression, or comment or lookahead or      /* Start of nested parenthesized sub-expression, or comment or lookahead or
3994      lookbehind or option setting or condition or all the other extended      lookbehind or option setting or condition or all the other extended
3995      parenthesis forms. First deal with the specials; all are introduced by ?,      parenthesis forms.  */
     and the appearance of any of them means that this is not a capturing  
     group. */  
3996    
3997      case '(':      case '(':
3998      newoptions = options;      newoptions = options;
# Line 3871  for (;; ptr++) Line 4001  for (;; ptr++)
4001      save_hwm = cd->hwm;      save_hwm = cd->hwm;
4002      reset_bracount = FALSE;      reset_bracount = FALSE;
4003    
4004      if (*(++ptr) == '?')      /* First deal with various "verbs" that can be introduced by '*'. */
4005    
4006        if (*(++ptr) == '*' && (cd->ctypes[ptr[1]] & ctype_letter) != 0)
4007          {
4008          int i, namelen;
4009          const uschar *name = ++ptr;
4010          previous = NULL;
4011          while ((cd->ctypes[*++ptr] & ctype_letter) != 0);
4012          if (*ptr == ':')
4013            {
4014            *errorcodeptr = ERR59;   /* Not supported */
4015            goto FAILED;
4016            }
4017          if (*ptr != ')')
4018            {
4019            *errorcodeptr = ERR60;
4020            goto FAILED;
4021            }
4022          namelen = ptr - name;
4023          for (i = 0; i < verbcount; i++)
4024            {
4025            if (namelen == verbs[i].len &&
4026                strncmp((char *)name, verbs[i].name, namelen) == 0)
4027              {
4028              *code = verbs[i].op;
4029              if (*code++ == OP_ACCEPT) cd->had_accept = TRUE;
4030              break;
4031              }
4032            }
4033          if (i < verbcount) continue;
4034          *errorcodeptr = ERR60;
4035          goto FAILED;
4036          }
4037    
4038        /* Deal with the extended parentheses; all are introduced by '?', and the
4039        appearance of any of them means that this is not a capturing group. */
4040    
4041        else if (*ptr == '?')
4042        {        {
4043        int i, set, unset, namelen;        int i, set, unset, namelen;
4044        int *optset;        int *optset;
# Line 4113  for (;; ptr++) Line 4280  for (;; ptr++)
4280    
4281          /* ------------------------------------------------------------ */          /* ------------------------------------------------------------ */
4282          case '!':                 /* Negative lookahead */          case '!':                 /* Negative lookahead */
         bravalue = OP_ASSERT_NOT;  
4283          ptr++;          ptr++;
4284            if (*ptr == ')')          /* Optimize (?!) */
4285              {
4286              *code++ = OP_FAIL;
4287              previous = NULL;
4288              continue;
4289              }
4290            bravalue = OP_ASSERT_NOT;
4291          break;          break;
4292    
4293    
# Line 4663  for (;; ptr++) Line 4836  for (;; ptr++)
4836        goto FAILED;        goto FAILED;
4837        }        }
4838    
4839      /* In the pre-compile phase, update the length by the length of the nested      /* In the pre-compile phase, update the length by the length of the group,
4840      group, less the brackets at either end. Then reduce the compiled code to      less the brackets at either end. Then reduce the compiled code to just a
4841      just the brackets so that it doesn't use much memory if it is duplicated by      set of non-capturing brackets so that it doesn't use much memory if it is
4842      a quantifier. */      duplicated by a quantifier.*/
4843    
4844      if (lengthptr != NULL)      if (lengthptr != NULL)
4845        {        {
# Line 4676  for (;; ptr++) Line 4849  for (;; ptr++)
4849          goto FAILED;          goto FAILED;
4850          }          }
4851        *lengthptr += length_prevgroup - 2 - 2*LINK_SIZE;        *lengthptr += length_prevgroup - 2 - 2*LINK_SIZE;
4852        code++;        *code++ = OP_BRA;
4853        PUTINC(code, 0, 1 + LINK_SIZE);        PUTINC(code, 0, 1 + LINK_SIZE);
4854        *code++ = OP_KET;        *code++ = OP_KET;
4855        PUTINC(code, 0, 1 + LINK_SIZE);        PUTINC(code, 0, 1 + LINK_SIZE);
4856          break;    /* No need to waste time with special character handling */
4857        }        }
4858    
4859      /* Otherwise update the main code pointer to the end of the group. */      /* Otherwise update the main code pointer to the end of the group. */
4860    
4861      else code = tempcode;      code = tempcode;
4862    
4863      /* For a DEFINE group, required and first character settings are not      /* For a DEFINE group, required and first character settings are not
4864      relevant. */      relevant. */
# Line 4887  for (;; ptr++) Line 5061  for (;; ptr++)
5061      previous = code;      previous = code;
5062      *code++ = ((options & PCRE_CASELESS) != 0)? OP_CHARNC : OP_CHAR;      *code++ = ((options & PCRE_CASELESS) != 0)? OP_CHARNC : OP_CHAR;
5063      for (c = 0; c < mclength; c++) *code++ = mcbuffer[c];      for (c = 0; c < mclength; c++) *code++ = mcbuffer[c];
5064    
5065        /* Remember if \r or \n were seen */
5066    
5067        if (mcbuffer[0] == '\r' || mcbuffer[0] == '\n')
5068          cd->external_options |= PCRE_HASCRORLF;
5069    
5070      /* Set the first and required bytes appropriately. If no previous first      /* Set the first and required bytes appropriately. If no previous first
5071      byte, set it from this character, but revert to none on a zero repeat.      byte, set it from this character, but revert to none on a zero repeat.
# Line 5706  cd->start_code = codestart; Line 5885  cd->start_code = codestart;
5885  cd->hwm = cworkspace;  cd->hwm = cworkspace;
5886  cd->req_varyopt = 0;  cd->req_varyopt = 0;
5887  cd->nopartial = FALSE;  cd->nopartial = FALSE;
5888    cd->had_accept = FALSE;
5889    
5890  /* Set up a starting, non-extracting bracket, then compile the expression. On  /* Set up a starting, non-extracting bracket, then compile the expression. On
5891  error, errorcode will be set non-zero, so we don't need to look at the result  error, errorcode will be set non-zero, so we don't need to look at the result
# Line 5720  re->top_bracket = cd->bracount; Line 5900  re->top_bracket = cd->bracount;
5900  re->top_backref = cd->top_backref;  re->top_backref = cd->top_backref;
5901    
5902  if (cd->nopartial) re->options |= PCRE_NOPARTIAL;  if (cd->nopartial) re->options |= PCRE_NOPARTIAL;
5903    if (cd->had_accept) reqbyte = -1;   /* Must disable after (*ACCEPT) */
5904    
5905  /* If not reached end of pattern on success, there's an excess bracket. */  /* If not reached end of pattern on success, there's an excess bracket. */
5906    
# Line 5817  case when building a production library. Line 5998  case when building a production library.
5998    
5999  printf("Length = %d top_bracket = %d top_backref = %d\n",  printf("Length = %d top_bracket = %d top_backref = %d\n",
6000    length, re->top_bracket, re->top_backref);    length, re->top_bracket, re->top_backref);
6001    
6002  if (re->options != 0)  printf("Options=%08x\n", re->options);
   {  
   printf("%s%s%s%s%s%s%s%s%s\n",  
     ((re->options & PCRE_NOPARTIAL) != 0)? "nopartial " : "",  
     ((re->options & PCRE_ANCHORED) != 0)? "anchored " : "",  
     ((re->options & PCRE_CASELESS) != 0)? "caseless " : "",  
     ((re->options & PCRE_EXTENDED) != 0)? "extended " : "",  
     ((re->options & PCRE_MULTILINE) != 0)? "multiline " : "",  
     ((re->options & PCRE_DOTALL) != 0)? "dotall " : "",  
     ((re->options & PCRE_DOLLAR_ENDONLY) != 0)? "endonly " : "",  
     ((re->options & PCRE_EXTRA) != 0)? "extra " : "",  
     ((re->options & PCRE_UNGREEDY) != 0)? "ungreedy " : "");  
   }  
6003    
6004  if ((re->options & PCRE_FIRSTSET) != 0)  if ((re->options & PCRE_FIRSTSET) != 0)
6005    {    {

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