/[pcre]/code/trunk/pcre_internal.h
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revision 598 by ph10, Sat May 7 15:37:31 2011 UTC revision 613 by ph10, Sat Jul 2 16:59:52 2011 UTC
# Line 582  Standard C system should have one. */ Line 582  Standard C system should have one. */
582  #endif  #endif
583    
584    
 /* These are the public options that can change during matching. */  
   
 #define PCRE_IMS (PCRE_CASELESS|PCRE_MULTILINE|PCRE_DOTALL)  
   
585  /* Private flags containing information about the compiled regex. They used to  /* Private flags containing information about the compiled regex. They used to
586  live at the top end of the options word, but that got almost full, so now they  live at the top end of the options word, but that got almost full, so now they
587  are in a 16-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as  are in a 16-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as
# Line 599  compatibility. */ Line 595  compatibility. */
595  #define PCRE_JCHANGED      0x0010  /* j option used in regex */  #define PCRE_JCHANGED      0x0010  /* j option used in regex */
596  #define PCRE_HASCRORLF     0x0020  /* explicit \r or \n in pattern */  #define PCRE_HASCRORLF     0x0020  /* explicit \r or \n in pattern */
597    
598  /* Options for the "extra" block produced by pcre_study(). */  /* Flags for the "extra" block produced by pcre_study(). */
599    
600  #define PCRE_STUDY_MAPPED   0x01     /* a map of starting chars exists */  #define PCRE_STUDY_MAPPED  0x0001  /* a map of starting chars exists */
601  #define PCRE_STUDY_MINLEN   0x02     /* a minimum length field exists */  #define PCRE_STUDY_MINLEN  0x0002  /* a minimum length field exists */
602    
603  /* Masks for identifying the public options that are permitted at compile  /* Masks for identifying the public options that are permitted at compile
604  time, run time, or study time, respectively. */  time, run time, or study time, respectively. */
# Line 1299  enum { Line 1295  enum {
1295    OP_WHITESPACE,         /*  9 \s */    OP_WHITESPACE,         /*  9 \s */
1296    OP_NOT_WORDCHAR,       /* 10 \W */    OP_NOT_WORDCHAR,       /* 10 \W */
1297    OP_WORDCHAR,           /* 11 \w */    OP_WORDCHAR,           /* 11 \w */
1298    
1299    OP_ANY,            /* 12 Match any character except newline */    OP_ANY,            /* 12 Match any character except newline */
1300    OP_ALLANY,         /* 13 Match any character */    OP_ALLANY,         /* 13 Match any character */
1301    OP_ANYBYTE,        /* 14 Match any byte (\C); different to OP_ANY for UTF-8 */    OP_ANYBYTE,        /* 14 Match any byte (\C); different to OP_ANY for UTF-8 */
# Line 1313  enum { Line 1310  enum {
1310    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. */
1311    OP_EOD,            /* 24 End of data: \z */    OP_EOD,            /* 24 End of data: \z */
1312    
1313    OP_OPT,            /* 25 Set runtime options */    OP_CIRC,           /* 25 Start of line - not multiline */
1314    OP_CIRC,           /* 26 Start of line - varies with multiline switch */    OP_CIRCM,          /* 26 Start of line - multiline */
1315    OP_DOLL,           /* 27 End of line - varies with multiline switch */    OP_DOLL,           /* 27 End of line - not multiline */
1316    OP_CHAR,           /* 28 Match one character, casefully */    OP_DOLLM,          /* 28 End of line - multiline */
1317    OP_CHARNC,         /* 29 Match one character, caselessly */    OP_CHAR,           /* 29 Match one character, casefully */
1318    OP_NOT,            /* 30 Match one character, not the following one */    OP_CHARI,          /* 30 Match one character, caselessly */
1319      OP_NOT,            /* 31 Match one character, not the given one, casefully */
1320    OP_STAR,           /* 31 The maximizing and minimizing versions of */    OP_NOTI,           /* 32 Match one character, not the given one, caselessly */
1321    OP_MINSTAR,        /* 32 these six opcodes must come in pairs, with */  
1322    OP_PLUS,           /* 33 the minimizing one second. */    /* The following sets of 13 opcodes must always be kept in step because
1323    OP_MINPLUS,        /* 34 This first set applies to single characters.*/    the offset from the first one is used to generate the others. */
1324    OP_QUERY,          /* 35 */  
1325    OP_MINQUERY,       /* 36 */    /**** Single characters, caseful, must precede the caseless ones ****/
1326    
1327    OP_UPTO,           /* 37 From 0 to n matches */    OP_STAR,           /* 33 The maximizing and minimizing versions of */
1328    OP_MINUPTO,        /* 38 */    OP_MINSTAR,        /* 34 these six opcodes must come in pairs, with */
1329    OP_EXACT,          /* 39 Exactly n matches */    OP_PLUS,           /* 35 the minimizing one second. */
1330      OP_MINPLUS,        /* 36 */
1331    OP_POSSTAR,        /* 40 Possessified star */    OP_QUERY,          /* 37 */
1332    OP_POSPLUS,        /* 41 Possessified plus */    OP_MINQUERY,       /* 38 */
1333    OP_POSQUERY,       /* 42 Posesssified query */  
1334    OP_POSUPTO,        /* 43 Possessified upto */    OP_UPTO,           /* 39 From 0 to n matches of one character, caseful*/
1335      OP_MINUPTO,        /* 40 */
1336    OP_NOTSTAR,        /* 44 The maximizing and minimizing versions of */    OP_EXACT,          /* 41 Exactly n matches */
1337    OP_NOTMINSTAR,     /* 45 these six opcodes must come in pairs, with */  
1338    OP_NOTPLUS,        /* 46 the minimizing one second. They must be in */    OP_POSSTAR,        /* 42 Possessified star, caseful */
1339    OP_NOTMINPLUS,     /* 47 exactly the same order as those above. */    OP_POSPLUS,        /* 43 Possessified plus, caseful */
1340    OP_NOTQUERY,       /* 48 This set applies to "not" single characters. */    OP_POSQUERY,       /* 44 Posesssified query, caseful */
1341    OP_NOTMINQUERY,    /* 49 */    OP_POSUPTO,        /* 45 Possessified upto, caseful */
1342    
1343    OP_NOTUPTO,        /* 50 From 0 to n matches */    /**** Single characters, caseless, must follow the caseful ones */
1344    OP_NOTMINUPTO,     /* 51 */  
1345    OP_NOTEXACT,       /* 52 Exactly n matches */    OP_STARI,          /* 46 */
1346      OP_MINSTARI,       /* 47 */
1347    OP_NOTPOSSTAR,     /* 53 Possessified versions */    OP_PLUSI,          /* 48 */
1348    OP_NOTPOSPLUS,     /* 54 */    OP_MINPLUSI,       /* 49 */
1349    OP_NOTPOSQUERY,    /* 55 */    OP_QUERYI,         /* 50 */
1350    OP_NOTPOSUPTO,     /* 56 */    OP_MINQUERYI,      /* 51 */
1351    
1352    OP_TYPESTAR,       /* 57 The maximizing and minimizing versions of */    OP_UPTOI,          /* 52 From 0 to n matches of one character, caseless */
1353    OP_TYPEMINSTAR,    /* 58 these six opcodes must come in pairs, with */    OP_MINUPTOI,       /* 53 */
1354    OP_TYPEPLUS,       /* 59 the minimizing one second. These codes must */    OP_EXACTI,         /* 54 */
1355    OP_TYPEMINPLUS,    /* 60 be in exactly the same order as those above. */  
1356    OP_TYPEQUERY,      /* 61 This set applies to character types such as \d */    OP_POSSTARI,       /* 55 Possessified star, caseless */
1357    OP_TYPEMINQUERY,   /* 62 */    OP_POSPLUSI,       /* 56 Possessified plus, caseless */
1358      OP_POSQUERYI,      /* 57 Posesssified query, caseless */
1359    OP_TYPEUPTO,       /* 63 From 0 to n matches */    OP_POSUPTOI,       /* 58 Possessified upto, caseless */
1360    OP_TYPEMINUPTO,    /* 64 */  
1361    OP_TYPEEXACT,      /* 65 Exactly n matches */    /**** The negated ones must follow the non-negated ones, and match them ****/
1362      /**** Negated single character, caseful; must precede the caseless ones ****/
1363    OP_TYPEPOSSTAR,    /* 66 Possessified versions */  
1364    OP_TYPEPOSPLUS,    /* 67 */    OP_NOTSTAR,        /* 59 The maximizing and minimizing versions of */
1365    OP_TYPEPOSQUERY,   /* 68 */    OP_NOTMINSTAR,     /* 60 these six opcodes must come in pairs, with */
1366    OP_TYPEPOSUPTO,    /* 69 */    OP_NOTPLUS,        /* 61 the minimizing one second. They must be in */
1367      OP_NOTMINPLUS,     /* 62 exactly the same order as those above. */
1368    OP_CRSTAR,         /* 70 The maximizing and minimizing versions of */    OP_NOTQUERY,       /* 63 */
1369    OP_CRMINSTAR,      /* 71 all these opcodes must come in pairs, with */    OP_NOTMINQUERY,    /* 64 */
1370    OP_CRPLUS,         /* 72 the minimizing one second. These codes must */  
1371    OP_CRMINPLUS,      /* 73 be in exactly the same order as those above. */    OP_NOTUPTO,        /* 65 From 0 to n matches, caseful */
1372    OP_CRQUERY,        /* 74 These are for character classes and back refs */    OP_NOTMINUPTO,     /* 66 */
1373    OP_CRMINQUERY,     /* 75 */    OP_NOTEXACT,       /* 67 Exactly n matches */
1374    OP_CRRANGE,        /* 76 These are different to the three sets above. */  
1375    OP_CRMINRANGE,     /* 77 */    OP_NOTPOSSTAR,     /* 68 Possessified versions, caseful */
1376      OP_NOTPOSPLUS,     /* 69 */
1377    OP_CLASS,          /* 78 Match a character class, chars < 256 only */    OP_NOTPOSQUERY,    /* 70 */
1378    OP_NCLASS,         /* 79 Same, but the bitmap was created from a negative    OP_NOTPOSUPTO,     /* 71 */
1379                             class - the difference is relevant only when a UTF-8  
1380                             character > 255 is encountered. */    /**** Negated single character, caseless; must follow the caseful ones ****/
1381    
1382    OP_XCLASS,         /* 80 Extended class for handling UTF-8 chars within the    OP_NOTSTARI,       /* 72 */
1383                             class. This does both positive and negative. */    OP_NOTMINSTARI,    /* 73 */
1384      OP_NOTPLUSI,       /* 74 */
1385    OP_REF,            /* 81 Match a back reference */    OP_NOTMINPLUSI,    /* 75 */
1386    OP_RECURSE,        /* 82 Match a numbered subpattern (possibly recursive) */    OP_NOTQUERYI,      /* 76 */
1387    OP_CALLOUT,        /* 83 Call out to external function if provided */    OP_NOTMINQUERYI,   /* 77 */
1388    
1389    OP_ALT,            /* 84 Start of alternation */    OP_NOTUPTOI,       /* 78 From 0 to n matches, caseless */
1390    OP_KET,            /* 85 End of group that doesn't have an unbounded repeat */    OP_NOTMINUPTOI,    /* 79 */
1391    OP_KETRMAX,        /* 86 These two must remain together and in this */    OP_NOTEXACTI,      /* 80 Exactly n matches */
1392    OP_KETRMIN,        /* 87 order. They are for groups the repeat for ever. */  
1393      OP_NOTPOSSTARI,    /* 81 Possessified versions, caseless */
1394    /* The assertions must come before BRA, CBRA, ONCE, and COND.*/    OP_NOTPOSPLUSI,    /* 82 */
1395      OP_NOTPOSQUERYI,   /* 83 */
1396    OP_ASSERT,         /* 88 Positive lookahead */    OP_NOTPOSUPTOI,    /* 84 */
1397    OP_ASSERT_NOT,     /* 89 Negative lookahead */  
1398    OP_ASSERTBACK,     /* 90 Positive lookbehind */    /**** Character types ****/
1399    OP_ASSERTBACK_NOT, /* 91 Negative lookbehind */  
1400    OP_REVERSE,        /* 92 Move pointer back - used in lookbehind assertions */    OP_TYPESTAR,       /* 85 The maximizing and minimizing versions of */
1401      OP_TYPEMINSTAR,    /* 86 these six opcodes must come in pairs, with */
1402    /* ONCE, BRA, CBRA, and COND must come after the assertions, with ONCE first,    OP_TYPEPLUS,       /* 87 the minimizing one second. These codes must */
1403    as there's a test for >= ONCE for a subpattern that isn't an assertion. */    OP_TYPEMINPLUS,    /* 88 be in exactly the same order as those above. */
1404      OP_TYPEQUERY,      /* 89 */
1405    OP_ONCE,           /* 93 Atomic group */    OP_TYPEMINQUERY,   /* 90 */
1406    OP_BRA,            /* 94 Start of non-capturing bracket */  
1407    OP_CBRA,           /* 95 Start of capturing bracket */    OP_TYPEUPTO,       /* 91 From 0 to n matches */
1408    OP_COND,           /* 96 Conditional group */    OP_TYPEMINUPTO,    /* 92 */
1409      OP_TYPEEXACT,      /* 93 Exactly n matches */
1410    
1411      OP_TYPEPOSSTAR,    /* 94 Possessified versions */
1412      OP_TYPEPOSPLUS,    /* 95 */
1413      OP_TYPEPOSQUERY,   /* 96 */
1414      OP_TYPEPOSUPTO,    /* 97 */
1415    
1416      /* These are used for character classes and back references; only the
1417      first six are the same as the sets above. */
1418    
1419      OP_CRSTAR,         /* 98 The maximizing and minimizing versions of */
1420      OP_CRMINSTAR,      /* 99 all these opcodes must come in pairs, with */
1421      OP_CRPLUS,         /* 100 the minimizing one second. These codes must */
1422      OP_CRMINPLUS,      /* 101 be in exactly the same order as those above. */
1423      OP_CRQUERY,        /* 102 */
1424      OP_CRMINQUERY,     /* 103 */
1425    
1426      OP_CRRANGE,        /* 104 These are different to the three sets above. */
1427      OP_CRMINRANGE,     /* 105 */
1428    
1429      /* End of quantifier opcodes */
1430    
1431      OP_CLASS,          /* 106 Match a character class, chars < 256 only */
1432      OP_NCLASS,         /* 107 Same, but the bitmap was created from a negative
1433                                  class - the difference is relevant only when a
1434                                  UTF-8 character > 255 is encountered. */
1435      OP_XCLASS,         /* 108 Extended class for handling UTF-8 chars within the
1436                                  class. This does both positive and negative. */
1437      OP_REF,            /* 109 Match a back reference, casefully */
1438      OP_REFI,           /* 110 Match a back reference, caselessly */
1439      OP_RECURSE,        /* 111 Match a numbered subpattern (possibly recursive) */
1440      OP_CALLOUT,        /* 112 Call out to external function if provided */
1441    
1442      OP_ALT,            /* 113 Start of alternation */
1443      OP_KET,            /* 114 End of group that doesn't have an unbounded repeat */
1444      OP_KETRMAX,        /* 115 These two must remain together and in this */
1445      OP_KETRMIN,        /* 116 order. They are for groups the repeat for ever. */
1446      OP_KETRPOS,        /* 117 Possessive unlimited repeat. */
1447    
1448      /* The assertions must come before BRA, CBRA, ONCE, and COND, and the four
1449      asserts must remain in order. */
1450    
1451      OP_ASSERT,         /* 118 Positive lookahead */
1452      OP_ASSERT_NOT,     /* 119 Negative lookahead */
1453      OP_ASSERTBACK,     /* 120 Positive lookbehind */
1454      OP_ASSERTBACK_NOT, /* 121 Negative lookbehind */
1455      OP_REVERSE,        /* 122 Move pointer back - used in lookbehind assertions */
1456    
1457      /* ONCE, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come after the assertions,
1458      with ONCE first, as there's a test for >= ONCE for a subpattern that isn't an
1459      assertion. The POS versions must immediately follow the non-POS versions in
1460      each case. */
1461    
1462      OP_ONCE,           /* 123 Atomic group */
1463      OP_BRA,            /* 124 Start of non-capturing bracket */
1464      OP_BRAPOS,         /* 125 Ditto, with unlimited, possessive repeat */
1465      OP_CBRA,           /* 126 Start of capturing bracket */
1466      OP_CBRAPOS,        /* 127 Ditto, with unlimited, possessive repeat */
1467      OP_COND,           /* 128 Conditional group */
1468    
1469    /* These three must follow the previous three, in the same order. There's a    /* These five must follow the previous five, in the same order. There's a
1470    check for >= SBRA to distinguish the two sets. */    check for >= SBRA to distinguish the two sets. */
1471    
1472    OP_SBRA,           /* 97 Start of non-capturing bracket, check empty  */    OP_SBRA,           /* 129 Start of non-capturing bracket, check empty  */
1473    OP_SCBRA,          /* 98 Start of capturing bracket, check empty */    OP_SBRAPOS,        /* 130 Ditto, with unlimited, possessive repeat */
1474    OP_SCOND,          /* 99 Conditional group, check empty */    OP_SCBRA,          /* 131 Start of capturing bracket, check empty */
1475      OP_SCBRAPOS,       /* 132 Ditto, with unlimited, possessive repeat */
1476      OP_SCOND,          /* 133 Conditional group, check empty */
1477    
1478    /* The next two pairs must (respectively) be kept together. */    /* The next two pairs must (respectively) be kept together. */
1479    
1480    OP_CREF,           /* 100 Used to hold a capture number as condition */    OP_CREF,           /* 134 Used to hold a capture number as condition */
1481    OP_NCREF,          /* 101 Same, but generated by a name reference*/    OP_NCREF,          /* 135 Same, but generated by a name reference*/
1482    OP_RREF,           /* 102 Used to hold a recursion number as condition */    OP_RREF,           /* 136 Used to hold a recursion number as condition */
1483    OP_NRREF,          /* 103 Same, but generated by a name reference*/    OP_NRREF,          /* 137 Same, but generated by a name reference*/
1484    OP_DEF,            /* 104 The DEFINE condition */    OP_DEF,            /* 138 The DEFINE condition */
1485    
1486    OP_BRAZERO,        /* 105 These two must remain together and in this */    OP_BRAZERO,        /* 139 These two must remain together and in this */
1487    OP_BRAMINZERO,     /* 106 order. */    OP_BRAMINZERO,     /* 140 order. */
1488      OP_BRAPOSZERO,     /* 141 */
1489    
1490    /* These are backtracking control verbs */    /* These are backtracking control verbs */
1491    
1492    OP_MARK,           /* 107 always has an argument */    OP_MARK,           /* 142 always has an argument */
1493    OP_PRUNE,          /* 108 */    OP_PRUNE,          /* 143 */
1494    OP_PRUNE_ARG,      /* 109 same, but with argument */    OP_PRUNE_ARG,      /* 144 same, but with argument */
1495    OP_SKIP,           /* 110 */    OP_SKIP,           /* 145 */
1496    OP_SKIP_ARG,       /* 111 same, but with argument */    OP_SKIP_ARG,       /* 146 same, but with argument */
1497    OP_THEN,           /* 112 */    OP_THEN,           /* 147 */
1498    OP_THEN_ARG,       /* 113 same, but with argument */    OP_THEN_ARG,       /* 148 same, but with argument */
1499    OP_COMMIT,         /* 114 */    OP_COMMIT,         /* 149 */
1500    
1501    /* These are forced failure and success verbs */    /* These are forced failure and success verbs */
1502    
1503    OP_FAIL,           /* 115 */    OP_FAIL,           /* 150 */
1504    OP_ACCEPT,         /* 116 */    OP_ACCEPT,         /* 151 */
1505    OP_CLOSE,          /* 117 Used before OP_ACCEPT to close open captures */    OP_ASSERT_ACCEPT,  /* 152 Used inside assertions */
1506      OP_CLOSE,          /* 153 Used before OP_ACCEPT to close open captures */
1507    
1508    /* This is used to skip a subpattern with a {0} quantifier */    /* This is used to skip a subpattern with a {0} quantifier */
1509    
1510    OP_SKIPZERO,       /* 118 */    OP_SKIPZERO,       /* 154 */
1511    
1512    /* 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
1513    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 1462  called "coptable" and "poptable" in pcre Line 1522  called "coptable" and "poptable" in pcre
1522    
1523    
1524  /* 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
1525  for debugging. The macro is referenced only in pcre_printint.c. */  for debugging, and some of them are only partial names. The macro is referenced
1526    only in pcre_printint.c, which fills out the full names in many cases (and in
1527    some cases doesn't actually use these names at all). */
1528    
1529  #define OP_NAME_LIST \  #define OP_NAME_LIST \
1530    "End", "\\A", "\\G", "\\K", "\\B", "\\b", "\\D", "\\d",         \    "End", "\\A", "\\G", "\\K", "\\B", "\\b", "\\D", "\\d",         \
1531    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \    "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte",         \
1532    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \    "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v",           \
1533    "extuni",  "\\Z", "\\z",                                        \    "extuni",  "\\Z", "\\z",                                        \
1534    "Opt", "^", "$", "char", "charnc", "not",                       \    "^", "^", "$", "$", "char", "chari", "not", "noti",             \
1535    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??",                                \
1536      "{", "{", "{",                                                  \
1537    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
1538    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??",                                \
1539      "{", "{", "{",                                                  \
1540      "*+","++", "?+", "{",                                           \
1541      "*", "*?", "+", "+?", "?", "??",                                \
1542      "{", "{", "{",                                                  \
1543      "*+","++", "?+", "{",                                           \
1544      "*", "*?", "+", "+?", "?", "??",                                \
1545      "{", "{", "{",                                                  \
1546    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
1547    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \    "*", "*?", "+", "+?", "?", "??", "{", "{", "{",                 \
1548    "*+","++", "?+", "{",                                           \    "*+","++", "?+", "{",                                           \
1549    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \    "*", "*?", "+", "+?", "?", "??", "{", "{",                      \
1550    "class", "nclass", "xclass", "Ref", "Recurse", "Callout",       \    "class", "nclass", "xclass", "Ref", "Refi",                     \
1551    "Alt", "Ket", "KetRmax", "KetRmin", "Assert", "Assert not",     \    "Recurse", "Callout",                                           \
1552    "AssertB", "AssertB not", "Reverse",                            \    "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos",                  \
1553    "Once", "Bra", "CBra", "Cond", "SBra", "SCBra", "SCond",        \    "Assert", "Assert not", "AssertB", "AssertB not", "Reverse",    \
1554      "Once",                                                         \
1555      "Bra", "BraPos", "CBra", "CBraPos",                             \
1556      "Cond",                                                         \
1557      "SBra", "SBraPos", "SCBra", "SCBraPos",                         \
1558      "SCond",                                                        \
1559    "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def",   \    "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def",   \
1560    "Brazero", "Braminzero",                                        \    "Brazero", "Braminzero", "Braposzero",                          \
1561    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \    "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP",                  \
1562    "*THEN", "*THEN", "*COMMIT", "*FAIL", "*ACCEPT",                \    "*THEN", "*THEN", "*COMMIT", "*FAIL",                           \
1563      "*ACCEPT", "*ASSERT_ACCEPT",                                    \
1564    "Close", "Skip zero"    "Close", "Skip zero"
1565    
1566    
# Line 1505  in UTF-8 mode. The code that uses this t Line 1581  in UTF-8 mode. The code that uses this t
1581    3, 3,                          /* \P, \p                                 */ \    3, 3,                          /* \P, \p                                 */ \
1582    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \    1, 1, 1, 1, 1,                 /* \R, \H, \h, \V, \v                     */ \
1583    1,                             /* \X                                     */ \    1,                             /* \X                                     */ \
1584    1, 1, 2, 1, 1,                 /* \Z, \z, Opt, ^, $                      */ \    1, 1, 1, 1, 1, 1,              /* \Z, \z, ^, ^M, $, $M                   */ \
1585    2,                             /* Char  - the minimum length             */ \    2,                             /* Char  - the minimum length             */ \
1586    2,                             /* Charnc  - the minimum length           */ \    2,                             /* Chari  - the minimum length            */ \
1587    2,                             /* not                                    */ \    2,                             /* not                                    */ \
1588    /* Positive single-char repeats                            ** These are  */ \    2,                             /* noti                                   */ \
1589    2, 2, 2, 2, 2, 2,              /* *, *?, +, +?, ?, ??      ** minima in  */ \    /* Positive single-char repeats                             ** These are */ \
1590    4, 4, 4,                       /* upto, minupto, exact     ** UTF-8 mode */ \    2, 2, 2, 2, 2, 2,              /* *, *?, +, +?, ?, ??       ** minima in */ \
1591      4, 4, 4,                       /* upto, minupto, exact      ** mode      */ \
1592    2, 2, 2, 4,                    /* *+, ++, ?+, upto+                      */ \    2, 2, 2, 4,                    /* *+, ++, ?+, upto+                      */ \
1593      2, 2, 2, 2, 2, 2,              /* *I, *?I, +I, +?I, ?I, ??I ** UTF-8     */ \
1594      4, 4, 4,                       /* upto I, minupto I, exact I             */ \
1595      2, 2, 2, 4,                    /* *+I, ++I, ?+I, upto+I                  */ \
1596    /* Negative single-char repeats - only for chars < 256                   */ \    /* Negative single-char repeats - only for chars < 256                   */ \
1597    2, 2, 2, 2, 2, 2,              /* NOT *, *?, +, +?, ?, ??                */ \    2, 2, 2, 2, 2, 2,              /* NOT *, *?, +, +?, ?, ??                */ \
1598    4, 4, 4,                       /* NOT upto, minupto, exact               */ \    4, 4, 4,                       /* NOT upto, minupto, exact               */ \
1599    2, 2, 2, 4,                    /* Possessive *, +, ?, upto               */ \    2, 2, 2, 4,                    /* Possessive NOT *, +, ?, upto           */ \
1600      2, 2, 2, 2, 2, 2,              /* NOT *I, *?I, +I, +?I, ?I, ??I          */ \
1601      4, 4, 4,                       /* NOT upto I, minupto I, exact I         */ \
1602      2, 2, 2, 4,                    /* Possessive NOT *I, +I, ?I, upto I      */ \
1603    /* Positive type repeats                                                 */ \    /* Positive type repeats                                                 */ \
1604    2, 2, 2, 2, 2, 2,              /* Type *, *?, +, +?, ?, ??               */ \    2, 2, 2, 2, 2, 2,              /* Type *, *?, +, +?, ?, ??               */ \
1605    4, 4, 4,                       /* Type upto, minupto, exact              */ \    4, 4, 4,                       /* Type upto, minupto, exact              */ \
# Line 1528  in UTF-8 mode. The code that uses this t Line 1611  in UTF-8 mode. The code that uses this t
1611   33,                             /* NCLASS                                 */ \   33,                             /* NCLASS                                 */ \
1612    0,                             /* XCLASS - variable length               */ \    0,                             /* XCLASS - variable length               */ \
1613    3,                             /* REF                                    */ \    3,                             /* REF                                    */ \
1614      3,                             /* REFI                                   */ \
1615    1+LINK_SIZE,                   /* RECURSE                                */ \    1+LINK_SIZE,                   /* RECURSE                                */ \
1616    2+2*LINK_SIZE,                 /* CALLOUT                                */ \    2+2*LINK_SIZE,                 /* CALLOUT                                */ \
1617    1+LINK_SIZE,                   /* Alt                                    */ \    1+LINK_SIZE,                   /* Alt                                    */ \
1618    1+LINK_SIZE,                   /* Ket                                    */ \    1+LINK_SIZE,                   /* Ket                                    */ \
1619    1+LINK_SIZE,                   /* KetRmax                                */ \    1+LINK_SIZE,                   /* KetRmax                                */ \
1620    1+LINK_SIZE,                   /* KetRmin                                */ \    1+LINK_SIZE,                   /* KetRmin                                */ \
1621      1+LINK_SIZE,                   /* KetRpos                                */ \
1622    1+LINK_SIZE,                   /* Assert                                 */ \    1+LINK_SIZE,                   /* Assert                                 */ \
1623    1+LINK_SIZE,                   /* Assert not                             */ \    1+LINK_SIZE,                   /* Assert not                             */ \
1624    1+LINK_SIZE,                   /* Assert behind                          */ \    1+LINK_SIZE,                   /* Assert behind                          */ \
# Line 1541  in UTF-8 mode. The code that uses this t Line 1626  in UTF-8 mode. The code that uses this t
1626    1+LINK_SIZE,                   /* Reverse                                */ \    1+LINK_SIZE,                   /* Reverse                                */ \
1627    1+LINK_SIZE,                   /* ONCE                                   */ \    1+LINK_SIZE,                   /* ONCE                                   */ \
1628    1+LINK_SIZE,                   /* BRA                                    */ \    1+LINK_SIZE,                   /* BRA                                    */ \
1629      1+LINK_SIZE,                   /* BRAPOS                                 */ \
1630    3+LINK_SIZE,                   /* CBRA                                   */ \    3+LINK_SIZE,                   /* CBRA                                   */ \
1631      3+LINK_SIZE,                   /* CBRAPOS                                */ \
1632    1+LINK_SIZE,                   /* COND                                   */ \    1+LINK_SIZE,                   /* COND                                   */ \
1633    1+LINK_SIZE,                   /* SBRA                                   */ \    1+LINK_SIZE,                   /* SBRA                                   */ \
1634      1+LINK_SIZE,                   /* SBRAPOS                                */ \
1635    3+LINK_SIZE,                   /* SCBRA                                  */ \    3+LINK_SIZE,                   /* SCBRA                                  */ \
1636      3+LINK_SIZE,                   /* SCBRAPOS                               */ \
1637    1+LINK_SIZE,                   /* SCOND                                  */ \    1+LINK_SIZE,                   /* SCOND                                  */ \
1638    3, 3,                          /* CREF, NCREF                            */ \    3, 3,                          /* CREF, NCREF                            */ \
1639    3, 3,                          /* RREF, NRREF                            */ \    3, 3,                          /* RREF, NRREF                            */ \
1640    1,                             /* DEF                                    */ \    1,                             /* DEF                                    */ \
1641    1, 1,                          /* BRAZERO, BRAMINZERO                    */ \    1, 1, 1,                       /* BRAZERO, BRAMINZERO, BRAPOSZERO        */ \
1642    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \    3, 1, 3,                       /* MARK, PRUNE, PRUNE_ARG                 */ \
1643    1, 3,                          /* SKIP, SKIP_ARG                         */ \    1, 3,                          /* SKIP, SKIP_ARG                         */ \
1644    1+LINK_SIZE, 3+LINK_SIZE,      /* THEN, THEN_ARG                         */ \    1+LINK_SIZE, 3+LINK_SIZE,      /* THEN, THEN_ARG                         */ \
1645    1, 1, 1, 3, 1                  /* COMMIT, FAIL, ACCEPT, CLOSE, SKIPZERO  */    1, 1, 1, 1,                    /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT    */ \
1646      3, 1                           /* CLOSE, SKIPZERO  */
1647    
1648  /* A magic value for OP_RREF and OP_NRREF to indicate the "any recursion"  /* A magic value for OP_RREF and OP_NRREF to indicate the "any recursion"
1649  condition. */  condition. */
# Line 1652  typedef struct compile_data { Line 1741  typedef struct compile_data {
1741    int  final_bracount;          /* Saved value after first pass */    int  final_bracount;          /* Saved value after first pass */
1742    int  top_backref;             /* Maximum back reference */    int  top_backref;             /* Maximum back reference */
1743    unsigned int backref_map;     /* Bitmap of low back refs */    unsigned int backref_map;     /* Bitmap of low back refs */
1744      int  assert_depth;            /* Depth of nested assertions */
1745    int  external_options;        /* External (initial) options */    int  external_options;        /* External (initial) options */
1746    int  external_flags;          /* External flag bits to be set */    int  external_flags;          /* External flag bits to be set */
1747    int  req_varyopt;             /* "After variable item" flag for reqbyte */    int  req_varyopt;             /* "After variable item" flag for reqbyte */
# Line 1708  typedef struct match_data { Line 1798  typedef struct match_data {
1798    int    name_entry_size;       /* Size of entry in names table */    int    name_entry_size;       /* Size of entry in names table */
1799    uschar *name_table;           /* Table of names */    uschar *name_table;           /* Table of names */
1800    uschar nl[4];                 /* Newline string when fixed */    uschar nl[4];                 /* Newline string when fixed */
1801    const uschar *lcc;            /* Points to lower casing table */    const  uschar *lcc;           /* Points to lower casing table */
1802    const uschar *ctypes;         /* Points to table of type maps */    const  uschar *ctypes;        /* Points to table of type maps */
1803    BOOL   offset_overflow;       /* Set if too many extractions */    BOOL   offset_overflow;       /* Set if too many extractions */
1804    BOOL   notbol;                /* NOTBOL flag */    BOOL   notbol;                /* NOTBOL flag */
1805    BOOL   noteol;                /* NOTEOL flag */    BOOL   noteol;                /* NOTEOL flag */
# Line 1721  typedef struct match_data { Line 1811  typedef struct match_data {
1811    BOOL   notempty_atstart;      /* Empty string match at start not wanted */    BOOL   notempty_atstart;      /* Empty string match at start not wanted */
1812    BOOL   hitend;                /* Hit the end of the subject at some point */    BOOL   hitend;                /* Hit the end of the subject at some point */
1813    BOOL   bsr_anycrlf;           /* \R is just any CRLF, not full Unicode */    BOOL   bsr_anycrlf;           /* \R is just any CRLF, not full Unicode */
1814    const uschar *start_code;     /* For use when recursing */    const  uschar *start_code;    /* For use when recursing */
1815    USPTR  start_subject;         /* Start of the subject string */    USPTR  start_subject;         /* Start of the subject string */
1816    USPTR  end_subject;           /* End of the subject string */    USPTR  end_subject;           /* End of the subject string */
1817    USPTR  start_match_ptr;       /* Start of matched string */    USPTR  start_match_ptr;       /* Start of matched string */
# Line 1731  typedef struct match_data { Line 1821  typedef struct match_data {
1821    int    end_offset_top;        /* Highwater mark at end of match */    int    end_offset_top;        /* Highwater mark at end of match */
1822    int    capture_last;          /* Most recent capture number */    int    capture_last;          /* Most recent capture number */
1823    int    start_offset;          /* The start offset value */    int    start_offset;          /* The start offset value */
1824      int    match_function_type;   /* Set for certain special calls of MATCH() */
1825    eptrblock *eptrchain;         /* Chain of eptrblocks for tail recursions */    eptrblock *eptrchain;         /* Chain of eptrblocks for tail recursions */
1826    int    eptrn;                 /* Next free eptrblock */    int    eptrn;                 /* Next free eptrblock */
1827    recursion_info *recursive;    /* Linked list of recursion data */    recursion_info *recursive;    /* Linked list of recursion data */
1828    void  *callout_data;          /* To pass back to callouts */    void  *callout_data;          /* To pass back to callouts */
1829    const uschar *mark;           /* Mark pointer to pass back */    const  uschar *mark;          /* Mark pointer to pass back */
1830  } match_data;  } match_data;
1831    
1832  /* A similar structure is used for the same purpose by the DFA matching  /* A similar structure is used for the same purpose by the DFA matching

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