diff options
Diffstat (limited to 'src/3rdparty/pcre/pcre_internal.h')
| -rw-r--r-- | src/3rdparty/pcre/pcre_internal.h | 453 |
1 files changed, 275 insertions, 178 deletions
diff --git a/src/3rdparty/pcre/pcre_internal.h b/src/3rdparty/pcre/pcre_internal.h index f3cb001fea..0b9798c554 100644 --- a/src/3rdparty/pcre/pcre_internal.h +++ b/src/3rdparty/pcre/pcre_internal.h @@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language. Written by Philip Hazel - Copyright (c) 1997-2012 University of Cambridge + Copyright (c) 1997-2013 University of Cambridge ----------------------------------------------------------------------------- Redistribution and use in source and binary forms, with or without @@ -194,23 +194,31 @@ preprocessor time in standard C environments. */ typedef unsigned char pcre_uint8; #if USHRT_MAX == 65535 - typedef unsigned short pcre_uint16; - typedef short pcre_int16; +typedef unsigned short pcre_uint16; +typedef short pcre_int16; +#define PCRE_UINT16_MAX USHRT_MAX +#define PCRE_INT16_MAX SHRT_MAX #elif UINT_MAX == 65535 - typedef unsigned int pcre_uint16; - typedef int pcre_int16; +typedef unsigned int pcre_uint16; +typedef int pcre_int16; +#define PCRE_UINT16_MAX UINT_MAX +#define PCRE_INT16_MAX INT_MAX #else -# error Cannot determine a type for 16-bit unsigned integers +#error Cannot determine a type for 16-bit integers #endif -#if UINT_MAX == 4294967295 - typedef unsigned int pcre_uint32; - typedef int pcre_int32; -#elif ULONG_MAX == 4294967295 - typedef unsigned long int pcre_uint32; - typedef long int pcre_int32; +#if UINT_MAX == 4294967295U +typedef unsigned int pcre_uint32; +typedef int pcre_int32; +#define PCRE_UINT32_MAX UINT_MAX +#define PCRE_INT32_MAX INT_MAX +#elif ULONG_MAX == 4294967295UL +typedef unsigned long int pcre_uint32; +typedef long int pcre_int32; +#define PCRE_UINT32_MAX ULONG_MAX +#define PCRE_INT32_MAX LONG_MAX #else -# error Cannot determine a type for 32-bit unsigned integers +#error Cannot determine a type for 32-bit integers #endif /* When checking for integer overflow in pcre_compile(), we need to handle @@ -1121,23 +1129,27 @@ other. NOTE: The values also appear in pcre_jit_compile.c. */ /* Private flags containing information about the compiled regex. They used to -live at the top end of the options word, but that got almost full, so now they -are in a 16-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as -the restrictions on partial matching have been lifted. It remains for backwards +live at the top end of the options word, but that got almost full, so they were +moved to a 16-bit flags word - which got almost full, so now they are in a +32-bit flags word. From release 8.00, PCRE_NOPARTIAL is unused, as the +restrictions on partial matching have been lifted. It remains for backwards compatibility. */ -#define PCRE_MODE8 0x0001 /* compiled in 8 bit mode */ -#define PCRE_MODE16 0x0002 /* compiled in 16 bit mode */ -#define PCRE_MODE32 0x0004 /* compiled in 32 bit mode */ -#define PCRE_FIRSTSET 0x0010 /* first_char is set */ -#define PCRE_FCH_CASELESS 0x0020 /* caseless first char */ -#define PCRE_REQCHSET 0x0040 /* req_byte is set */ -#define PCRE_RCH_CASELESS 0x0080 /* caseless requested char */ -#define PCRE_STARTLINE 0x0100 /* start after \n for multiline */ -#define PCRE_NOPARTIAL 0x0200 /* can't use partial with this regex */ -#define PCRE_JCHANGED 0x0400 /* j option used in regex */ -#define PCRE_HASCRORLF 0x0800 /* explicit \r or \n in pattern */ -#define PCRE_HASTHEN 0x1000 /* pattern contains (*THEN) */ +#define PCRE_MODE8 0x00000001 /* compiled in 8 bit mode */ +#define PCRE_MODE16 0x00000002 /* compiled in 16 bit mode */ +#define PCRE_MODE32 0x00000004 /* compiled in 32 bit mode */ +#define PCRE_FIRSTSET 0x00000010 /* first_char is set */ +#define PCRE_FCH_CASELESS 0x00000020 /* caseless first char */ +#define PCRE_REQCHSET 0x00000040 /* req_byte is set */ +#define PCRE_RCH_CASELESS 0x00000080 /* caseless requested char */ +#define PCRE_STARTLINE 0x00000100 /* start after \n for multiline */ +#define PCRE_NOPARTIAL 0x00000200 /* can't use partial with this regex */ +#define PCRE_JCHANGED 0x00000400 /* j option used in regex */ +#define PCRE_HASCRORLF 0x00000800 /* explicit \r or \n in pattern */ +#define PCRE_HASTHEN 0x00001000 /* pattern contains (*THEN) */ +#define PCRE_MLSET 0x00002000 /* match limit set by regex */ +#define PCRE_RLSET 0x00004000 /* recursion limit set by regex */ +#define PCRE_MATCH_EMPTY 0x00008000 /* pattern can match empty string */ #if defined COMPILE_PCRE8 #define PCRE_MODE PCRE_MODE8 @@ -1162,9 +1174,10 @@ time, run time, or study time, respectively. */ #define PUBLIC_COMPILE_OPTIONS \ (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \ PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY|PCRE_UTF8| \ - PCRE_NO_AUTO_CAPTURE|PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \ + PCRE_NO_AUTO_CAPTURE|PCRE_NO_AUTO_POSSESS| \ + PCRE_NO_UTF8_CHECK|PCRE_AUTO_CALLOUT|PCRE_FIRSTLINE| \ PCRE_DUPNAMES|PCRE_NEWLINE_BITS|PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE| \ - PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE) + PCRE_JAVASCRIPT_COMPAT|PCRE_UCP|PCRE_NO_START_OPTIMIZE|PCRE_NEVER_UTF) #define PUBLIC_EXEC_OPTIONS \ (PCRE_ANCHORED|PCRE_NOTBOL|PCRE_NOTEOL|PCRE_NOTEMPTY|PCRE_NOTEMPTY_ATSTART| \ @@ -1520,20 +1533,25 @@ a positive value. */ #define STRING_xdigit "xdigit" #define STRING_DEFINE "DEFINE" - -#define STRING_CR_RIGHTPAR "CR)" -#define STRING_LF_RIGHTPAR "LF)" -#define STRING_CRLF_RIGHTPAR "CRLF)" -#define STRING_ANY_RIGHTPAR "ANY)" -#define STRING_ANYCRLF_RIGHTPAR "ANYCRLF)" -#define STRING_BSR_ANYCRLF_RIGHTPAR "BSR_ANYCRLF)" -#define STRING_BSR_UNICODE_RIGHTPAR "BSR_UNICODE)" -#define STRING_UTF8_RIGHTPAR "UTF8)" -#define STRING_UTF16_RIGHTPAR "UTF16)" -#define STRING_UTF32_RIGHTPAR "UTF32)" -#define STRING_UTF_RIGHTPAR "UTF)" -#define STRING_UCP_RIGHTPAR "UCP)" -#define STRING_NO_START_OPT_RIGHTPAR "NO_START_OPT)" +#define STRING_WEIRD_STARTWORD "[:<:]]" +#define STRING_WEIRD_ENDWORD "[:>:]]" + +#define STRING_CR_RIGHTPAR "CR)" +#define STRING_LF_RIGHTPAR "LF)" +#define STRING_CRLF_RIGHTPAR "CRLF)" +#define STRING_ANY_RIGHTPAR "ANY)" +#define STRING_ANYCRLF_RIGHTPAR "ANYCRLF)" +#define STRING_BSR_ANYCRLF_RIGHTPAR "BSR_ANYCRLF)" +#define STRING_BSR_UNICODE_RIGHTPAR "BSR_UNICODE)" +#define STRING_UTF8_RIGHTPAR "UTF8)" +#define STRING_UTF16_RIGHTPAR "UTF16)" +#define STRING_UTF32_RIGHTPAR "UTF32)" +#define STRING_UTF_RIGHTPAR "UTF)" +#define STRING_UCP_RIGHTPAR "UCP)" +#define STRING_NO_AUTO_POSSESS_RIGHTPAR "NO_AUTO_POSSESS)" +#define STRING_NO_START_OPT_RIGHTPAR "NO_START_OPT)" +#define STRING_LIMIT_MATCH_EQ "LIMIT_MATCH=" +#define STRING_LIMIT_RECURSION_EQ "LIMIT_RECURSION=" #else /* SUPPORT_UTF */ @@ -1781,20 +1799,25 @@ only. */ #define STRING_xdigit STR_x STR_d STR_i STR_g STR_i STR_t #define STRING_DEFINE STR_D STR_E STR_F STR_I STR_N STR_E - -#define STRING_CR_RIGHTPAR STR_C STR_R STR_RIGHT_PARENTHESIS -#define STRING_LF_RIGHTPAR STR_L STR_F STR_RIGHT_PARENTHESIS -#define STRING_CRLF_RIGHTPAR STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS -#define STRING_ANY_RIGHTPAR STR_A STR_N STR_Y STR_RIGHT_PARENTHESIS -#define STRING_ANYCRLF_RIGHTPAR 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 -#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_UTF8_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 -#define STRING_UTF32_RIGHTPAR STR_U STR_T STR_F STR_3 STR_2 STR_RIGHT_PARENTHESIS -#define STRING_UTF_RIGHTPAR STR_U STR_T STR_F STR_RIGHT_PARENTHESIS -#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 +#define STRING_WEIRD_STARTWORD STR_LEFT_SQUARE_BRACKET STR_COLON STR_LESS_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET +#define STRING_WEIRD_ENDWORD STR_LEFT_SQUARE_BRACKET STR_COLON STR_GREATER_THAN_SIGN STR_COLON STR_RIGHT_SQUARE_BRACKET STR_RIGHT_SQUARE_BRACKET + +#define STRING_CR_RIGHTPAR STR_C STR_R STR_RIGHT_PARENTHESIS +#define STRING_LF_RIGHTPAR STR_L STR_F STR_RIGHT_PARENTHESIS +#define STRING_CRLF_RIGHTPAR STR_C STR_R STR_L STR_F STR_RIGHT_PARENTHESIS +#define STRING_ANY_RIGHTPAR STR_A STR_N STR_Y STR_RIGHT_PARENTHESIS +#define STRING_ANYCRLF_RIGHTPAR 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 +#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_UTF8_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 +#define STRING_UTF32_RIGHTPAR STR_U STR_T STR_F STR_3 STR_2 STR_RIGHT_PARENTHESIS +#define STRING_UTF_RIGHTPAR STR_U STR_T STR_F STR_RIGHT_PARENTHESIS +#define STRING_UCP_RIGHTPAR STR_U STR_C STR_P STR_RIGHT_PARENTHESIS +#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 +#define STRING_NO_START_OPT_RIGHTPAR STR_N STR_O STR_UNDERSCORE STR_S STR_T STR_A STR_R STR_T STR_UNDERSCORE STR_O STR_P STR_T STR_RIGHT_PARENTHESIS +#define STRING_LIMIT_MATCH_EQ STR_L STR_I STR_M STR_I STR_T STR_UNDERSCORE STR_M STR_A STR_T STR_C STR_H STR_EQUALS_SIGN +#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 #endif /* SUPPORT_UTF */ @@ -1835,6 +1858,18 @@ only. */ #define PT_PXSPACE 7 /* POSIX space - Z plus 9,10,11,12,13 */ #define PT_WORD 8 /* Word - L plus N plus underscore */ #define PT_CLIST 9 /* Pseudo-property: match character list */ +#define PT_UCNC 10 /* Universal Character nameable character */ +#define PT_TABSIZE 11 /* Size of square table for autopossessify tests */ + +/* The following special properties are used only in XCLASS items, when POSIX +classes are specified and PCRE_UCP is set - in other words, for Unicode +handling of these classes. They are not available via the \p or \P escapes like +those in the above list, and so they do not take part in the autopossessifying +table. */ + +#define PT_PXGRAPH 11 /* [:graph:] - characters that mark the paper */ +#define PT_PXPRINT 12 /* [:print:] - [:graph:] plus non-control spaces */ +#define PT_PXPUNCT 13 /* [:punct:] - punctuation characters */ /* Flag bits and data types for the extended class (OP_XCLASS) for classes that contain characters with values greater than 255. */ @@ -1849,9 +1884,9 @@ contain characters with values greater than 255. */ #define XCL_NOTPROP 4 /* Unicode inverted property (ditto) */ /* These are escaped items that aren't just an encoding of a particular data -value such as \n. They must have non-zero values, as check_escape() returns -0 for a data character. Also, they must appear in the same order as in the opcode -definitions below, up to ESC_z. There's a dummy for OP_ALLANY because it +value such as \n. They must have non-zero values, as check_escape() returns 0 +for a data character. Also, they must appear in the same order as in the +opcode definitions below, up to ESC_z. There's a dummy for OP_ALLANY because it corresponds to "." in DOTALL mode rather than an escape sequence. It is also used for [^] in JavaScript compatibility mode, and for \C in non-utf mode. In non-DOTALL mode, "." behaves like \N. @@ -1874,12 +1909,31 @@ enum { ESC_A = 1, ESC_G, ESC_K, ESC_B, ESC_b, ESC_D, ESC_d, ESC_S, ESC_s, ESC_E, ESC_Q, ESC_g, ESC_k, ESC_DU, ESC_du, ESC_SU, ESC_su, ESC_WU, ESC_wu }; -/* 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. -*** NOTE NOTE NOTE *** Whenever this list is updated, the two macro definitions -that follow must also be updated to match. There are also tables called -"coptable" and "poptable" in pcre_dfa_exec.c that must be updated. */ +/********************** Opcode definitions ******************/ + +/****** NOTE NOTE NOTE ****** + +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. Furthermore, values up to +OP_DOLLM must not be changed without adjusting the table called autoposstab in +pcre_compile.c + +Whenever this list is updated, the two macro definitions that follow must be +updated to match. The possessification table called "opcode_possessify" in +pcre_compile.c must also be updated, and also the tables called "coptable" +and "poptable" in pcre_dfa_exec.c. + +****** NOTE NOTE NOTE ******/ + + +/* The values between FIRST_AUTOTAB_OP and LAST_AUTOTAB_RIGHT_OP, inclusive, +are used in a table for deciding whether a repeated character type can be +auto-possessified. */ + +#define FIRST_AUTOTAB_OP OP_NOT_DIGIT +#define LAST_AUTOTAB_LEFT_OP OP_EXTUNI +#define LAST_AUTOTAB_RIGHT_OP OP_DOLLM enum { OP_END, /* 0 End of pattern */ @@ -1912,10 +1966,15 @@ enum { OP_EODN, /* 23 End of data or \n at end of data (\Z) */ OP_EOD, /* 24 End of data (\z) */ - OP_CIRC, /* 25 Start of line - not multiline */ - OP_CIRCM, /* 26 Start of line - multiline */ - OP_DOLL, /* 27 End of line - not multiline */ - OP_DOLLM, /* 28 End of line - multiline */ + /* Line end assertions */ + + OP_DOLL, /* 25 End of line - not multiline */ + OP_DOLLM, /* 26 End of line - multiline */ + OP_CIRC, /* 27 Start of line - not multiline */ + OP_CIRCM, /* 28 Start of line - multiline */ + + /* Single characters; caseful must precede the caseless ones */ + OP_CHAR, /* 29 Match one character, casefully */ OP_CHARI, /* 30 Match one character, caselessly */ OP_NOT, /* 31 Match one character, not the given one, casefully */ @@ -1924,7 +1983,7 @@ enum { /* The following sets of 13 opcodes must always be kept in step because the offset from the first one is used to generate the others. */ - /**** Single characters, caseful, must precede the caseless ones ****/ + /* Repeated characters; caseful must precede the caseless ones */ OP_STAR, /* 33 The maximizing and minimizing versions of */ OP_MINSTAR, /* 34 these six opcodes must come in pairs, with */ @@ -1942,7 +2001,7 @@ enum { OP_POSQUERY, /* 44 Posesssified query, caseful */ OP_POSUPTO, /* 45 Possessified upto, caseful */ - /**** Single characters, caseless, must follow the caseful ones */ + /* Repeated characters; caseless must follow the caseful ones */ OP_STARI, /* 46 */ OP_MINSTARI, /* 47 */ @@ -1960,8 +2019,8 @@ enum { OP_POSQUERYI, /* 57 Posesssified query, caseless */ OP_POSUPTOI, /* 58 Possessified upto, caseless */ - /**** The negated ones must follow the non-negated ones, and match them ****/ - /**** Negated single character, caseful; must precede the caseless ones ****/ + /* The negated ones must follow the non-negated ones, and match them */ + /* Negated repeated character, caseful; must precede the caseless ones */ OP_NOTSTAR, /* 59 The maximizing and minimizing versions of */ OP_NOTMINSTAR, /* 60 these six opcodes must come in pairs, with */ @@ -1979,7 +2038,7 @@ enum { OP_NOTPOSQUERY, /* 70 */ OP_NOTPOSUPTO, /* 71 */ - /**** Negated single character, caseless; must follow the caseful ones ****/ + /* Negated repeated character, caseless; must follow the caseful ones */ OP_NOTSTARI, /* 72 */ OP_NOTMINSTARI, /* 73 */ @@ -1997,7 +2056,7 @@ enum { OP_NOTPOSQUERYI, /* 83 */ OP_NOTPOSUPTOI, /* 84 */ - /**** Character types ****/ + /* Character types */ OP_TYPESTAR, /* 85 The maximizing and minimizing versions of */ OP_TYPEMINSTAR, /* 86 these six opcodes must come in pairs, with */ @@ -2028,89 +2087,96 @@ enum { OP_CRRANGE, /* 104 These are different to the three sets above. */ OP_CRMINRANGE, /* 105 */ + OP_CRPOSSTAR, /* 106 Possessified versions */ + OP_CRPOSPLUS, /* 107 */ + OP_CRPOSQUERY, /* 108 */ + OP_CRPOSRANGE, /* 109 */ + /* End of quantifier opcodes */ - OP_CLASS, /* 106 Match a character class, chars < 256 only */ - OP_NCLASS, /* 107 Same, but the bitmap was created from a negative + OP_CLASS, /* 110 Match a character class, chars < 256 only */ + OP_NCLASS, /* 111 Same, but the bitmap was created from a negative class - the difference is relevant only when a character > 255 is encountered. */ - OP_XCLASS, /* 108 Extended class for handling > 255 chars within the + OP_XCLASS, /* 112 Extended class for handling > 255 chars within the class. This does both positive and negative. */ - OP_REF, /* 109 Match a back reference, casefully */ - OP_REFI, /* 110 Match a back reference, caselessly */ - OP_RECURSE, /* 111 Match a numbered subpattern (possibly recursive) */ - OP_CALLOUT, /* 112 Call out to external function if provided */ - - OP_ALT, /* 113 Start of alternation */ - OP_KET, /* 114 End of group that doesn't have an unbounded repeat */ - OP_KETRMAX, /* 115 These two must remain together and in this */ - OP_KETRMIN, /* 116 order. They are for groups the repeat for ever. */ - OP_KETRPOS, /* 117 Possessive unlimited repeat. */ + OP_REF, /* 113 Match a back reference, casefully */ + OP_REFI, /* 114 Match a back reference, caselessly */ + OP_DNREF, /* 115 Match a duplicate name backref, casefully */ + OP_DNREFI, /* 116 Match a duplicate name backref, caselessly */ + OP_RECURSE, /* 117 Match a numbered subpattern (possibly recursive) */ + OP_CALLOUT, /* 118 Call out to external function if provided */ + + OP_ALT, /* 119 Start of alternation */ + OP_KET, /* 120 End of group that doesn't have an unbounded repeat */ + OP_KETRMAX, /* 121 These two must remain together and in this */ + OP_KETRMIN, /* 122 order. They are for groups the repeat for ever. */ + OP_KETRPOS, /* 123 Possessive unlimited repeat. */ /* The assertions must come before BRA, CBRA, ONCE, and COND, and the four asserts must remain in order. */ - OP_REVERSE, /* 118 Move pointer back - used in lookbehind assertions */ - OP_ASSERT, /* 119 Positive lookahead */ - OP_ASSERT_NOT, /* 120 Negative lookahead */ - OP_ASSERTBACK, /* 121 Positive lookbehind */ - OP_ASSERTBACK_NOT, /* 122 Negative lookbehind */ + OP_REVERSE, /* 124 Move pointer back - used in lookbehind assertions */ + OP_ASSERT, /* 125 Positive lookahead */ + OP_ASSERT_NOT, /* 126 Negative lookahead */ + OP_ASSERTBACK, /* 127 Positive lookbehind */ + OP_ASSERTBACK_NOT, /* 128 Negative lookbehind */ /* ONCE, ONCE_NC, BRA, BRAPOS, CBRA, CBRAPOS, and COND must come immediately after the assertions, with ONCE first, as there's a test for >= ONCE for a subpattern that isn't an assertion. The POS versions must immediately follow the non-POS versions in each case. */ - OP_ONCE, /* 123 Atomic group, contains captures */ - OP_ONCE_NC, /* 124 Atomic group containing no captures */ - OP_BRA, /* 125 Start of non-capturing bracket */ - OP_BRAPOS, /* 126 Ditto, with unlimited, possessive repeat */ - OP_CBRA, /* 127 Start of capturing bracket */ - OP_CBRAPOS, /* 128 Ditto, with unlimited, possessive repeat */ - OP_COND, /* 129 Conditional group */ + OP_ONCE, /* 129 Atomic group, contains captures */ + OP_ONCE_NC, /* 130 Atomic group containing no captures */ + OP_BRA, /* 131 Start of non-capturing bracket */ + OP_BRAPOS, /* 132 Ditto, with unlimited, possessive repeat */ + OP_CBRA, /* 133 Start of capturing bracket */ + OP_CBRAPOS, /* 134 Ditto, with unlimited, possessive repeat */ + OP_COND, /* 135 Conditional group */ /* These five must follow the previous five, in the same order. There's a check for >= SBRA to distinguish the two sets. */ - OP_SBRA, /* 130 Start of non-capturing bracket, check empty */ - OP_SBRAPOS, /* 131 Ditto, with unlimited, possessive repeat */ - OP_SCBRA, /* 132 Start of capturing bracket, check empty */ - OP_SCBRAPOS, /* 133 Ditto, with unlimited, possessive repeat */ - OP_SCOND, /* 134 Conditional group, check empty */ + OP_SBRA, /* 136 Start of non-capturing bracket, check empty */ + OP_SBRAPOS, /* 137 Ditto, with unlimited, possessive repeat */ + OP_SCBRA, /* 138 Start of capturing bracket, check empty */ + OP_SCBRAPOS, /* 139 Ditto, with unlimited, possessive repeat */ + OP_SCOND, /* 140 Conditional group, check empty */ /* The next two pairs must (respectively) be kept together. */ - OP_CREF, /* 135 Used to hold a capture number as condition */ - OP_NCREF, /* 136 Same, but generated by a name reference*/ - OP_RREF, /* 137 Used to hold a recursion number as condition */ - OP_NRREF, /* 138 Same, but generated by a name reference*/ - OP_DEF, /* 139 The DEFINE condition */ + OP_CREF, /* 141 Used to hold a capture number as condition */ + OP_DNCREF, /* 142 Used to point to duplicate names as a condition */ + OP_RREF, /* 143 Used to hold a recursion number as condition */ + OP_DNRREF, /* 144 Used to point to duplicate names as a condition */ + OP_DEF, /* 145 The DEFINE condition */ - OP_BRAZERO, /* 140 These two must remain together and in this */ - OP_BRAMINZERO, /* 141 order. */ - OP_BRAPOSZERO, /* 142 */ + OP_BRAZERO, /* 146 These two must remain together and in this */ + OP_BRAMINZERO, /* 147 order. */ + OP_BRAPOSZERO, /* 148 */ /* These are backtracking control verbs */ - OP_MARK, /* 143 always has an argument */ - OP_PRUNE, /* 144 */ - OP_PRUNE_ARG, /* 145 same, but with argument */ - OP_SKIP, /* 146 */ - OP_SKIP_ARG, /* 147 same, but with argument */ - OP_THEN, /* 148 */ - OP_THEN_ARG, /* 149 same, but with argument */ - OP_COMMIT, /* 150 */ + OP_MARK, /* 149 always has an argument */ + OP_PRUNE, /* 150 */ + OP_PRUNE_ARG, /* 151 same, but with argument */ + OP_SKIP, /* 152 */ + OP_SKIP_ARG, /* 153 same, but with argument */ + OP_THEN, /* 154 */ + OP_THEN_ARG, /* 155 same, but with argument */ + OP_COMMIT, /* 156 */ /* These are forced failure and success verbs */ - OP_FAIL, /* 151 */ - OP_ACCEPT, /* 152 */ - OP_ASSERT_ACCEPT, /* 153 Used inside assertions */ - OP_CLOSE, /* 154 Used before OP_ACCEPT to close open captures */ + OP_FAIL, /* 157 */ + OP_ACCEPT, /* 158 */ + OP_ASSERT_ACCEPT, /* 159 Used inside assertions */ + OP_CLOSE, /* 160 Used before OP_ACCEPT to close open captures */ /* This is used to skip a subpattern with a {0} quantifier */ - OP_SKIPZERO, /* 155 */ + OP_SKIPZERO, /* 161 */ /* This is not an opcode, but is used to check that tables indexed by opcode are the correct length, in order to catch updating errors - there have been @@ -2121,7 +2187,8 @@ enum { /* *** NOTE NOTE NOTE *** Whenever the list above is updated, the two macro definitions that follow must also be updated to match. There are also tables -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 +pcre_dfa_exec.c that must be updated. */ /* This macro defines textual names for all the opcodes. These are used only @@ -2134,7 +2201,7 @@ some cases doesn't actually use these names at all). */ "\\S", "\\s", "\\W", "\\w", "Any", "AllAny", "Anybyte", \ "notprop", "prop", "\\R", "\\H", "\\h", "\\V", "\\v", \ "extuni", "\\Z", "\\z", \ - "^", "^", "$", "$", "char", "chari", "not", "noti", \ + "$", "$", "^", "^", "char", "chari", "not", "noti", \ "*", "*?", "+", "+?", "?", "??", \ "{", "{", "{", \ "*+","++", "?+", "{", \ @@ -2150,7 +2217,8 @@ some cases doesn't actually use these names at all). */ "*", "*?", "+", "+?", "?", "??", "{", "{", "{", \ "*+","++", "?+", "{", \ "*", "*?", "+", "+?", "?", "??", "{", "{", \ - "class", "nclass", "xclass", "Ref", "Refi", \ + "*+","++", "?+", "{", \ + "class", "nclass", "xclass", "Ref", "Refi", "DnRef", "DnRefi", \ "Recurse", "Callout", \ "Alt", "Ket", "KetRmax", "KetRmin", "KetRpos", \ "Reverse", "Assert", "Assert not", "AssertB", "AssertB not", \ @@ -2159,7 +2227,7 @@ some cases doesn't actually use these names at all). */ "Cond", \ "SBra", "SBraPos", "SCBra", "SCBraPos", \ "SCond", \ - "Cond ref", "Cond nref", "Cond rec", "Cond nrec", "Cond def", \ + "Cond ref", "Cond dnref", "Cond rec", "Cond dnrec", "Cond def", \ "Brazero", "Braminzero", "Braposzero", \ "*MARK", "*PRUNE", "*PRUNE", "*SKIP", "*SKIP", \ "*THEN", "*THEN", "*COMMIT", "*FAIL", \ @@ -2184,7 +2252,7 @@ in UTF-8 mode. The code that uses this table must know about such things. */ 3, 3, /* \P, \p */ \ 1, 1, 1, 1, 1, /* \R, \H, \h, \V, \v */ \ 1, /* \X */ \ - 1, 1, 1, 1, 1, 1, /* \Z, \z, ^, ^M, $, $M */ \ + 1, 1, 1, 1, 1, 1, /* \Z, \z, $, $M ^, ^M */ \ 2, /* Char - the minimum length */ \ 2, /* Chari - the minimum length */ \ 2, /* not */ \ @@ -2215,11 +2283,14 @@ in UTF-8 mode. The code that uses this table must know about such things. */ /* Character class & ref repeats */ \ 1, 1, 1, 1, 1, 1, /* *, *?, +, +?, ?, ?? */ \ 1+2*IMM2_SIZE, 1+2*IMM2_SIZE, /* CRRANGE, CRMINRANGE */ \ + 1, 1, 1, 1+2*IMM2_SIZE, /* Possessive *+, ++, ?+, CRPOSRANGE */ \ 1+(32/sizeof(pcre_uchar)), /* CLASS */ \ 1+(32/sizeof(pcre_uchar)), /* NCLASS */ \ 0, /* XCLASS - variable length */ \ 1+IMM2_SIZE, /* REF */ \ 1+IMM2_SIZE, /* REFI */ \ + 1+2*IMM2_SIZE, /* DNREF */ \ + 1+2*IMM2_SIZE, /* DNREFI */ \ 1+LINK_SIZE, /* RECURSE */ \ 2+2*LINK_SIZE, /* CALLOUT */ \ 1+LINK_SIZE, /* Alt */ \ @@ -2244,8 +2315,8 @@ in UTF-8 mode. The code that uses this table must know about such things. */ 1+LINK_SIZE+IMM2_SIZE, /* SCBRA */ \ 1+LINK_SIZE+IMM2_SIZE, /* SCBRAPOS */ \ 1+LINK_SIZE, /* SCOND */ \ - 1+IMM2_SIZE, 1+IMM2_SIZE, /* CREF, NCREF */ \ - 1+IMM2_SIZE, 1+IMM2_SIZE, /* RREF, NRREF */ \ + 1+IMM2_SIZE, 1+2*IMM2_SIZE, /* CREF, DNCREF */ \ + 1+IMM2_SIZE, 1+2*IMM2_SIZE, /* RREF, DNRREF */ \ 1, /* DEF */ \ 1, 1, 1, /* BRAZERO, BRAMINZERO, BRAPOSZERO */ \ 3, 1, 3, /* MARK, PRUNE, PRUNE_ARG */ \ @@ -2254,8 +2325,7 @@ in UTF-8 mode. The code that uses this table must know about such things. */ 1, 1, 1, 1, /* COMMIT, FAIL, ACCEPT, ASSERT_ACCEPT */ \ 1+IMM2_SIZE, 1 /* CLOSE, SKIPZERO */ -/* A magic value for OP_RREF and OP_NRREF to indicate the "any recursion" -condition. */ +/* A magic value for OP_RREF to indicate the "any recursion" condition. */ #define RREF_ANY 0xffff @@ -2270,9 +2340,11 @@ enum { ERR0, ERR1, ERR2, ERR3, ERR4, ERR5, ERR6, ERR7, ERR8, ERR9, ERR40, ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49, ERR50, ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59, ERR60, ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69, - ERR70, ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERRCOUNT }; + ERR70, ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERR78, ERR79, + ERR80, ERR81, ERR82, ERR83, ERR84, ERRCOUNT }; /* JIT compiling modes. The function list is indexed by them. */ + enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COMPILE, JIT_PARTIAL_HARD_COMPILE, JIT_NUMBER_OF_COMPILE_MODES }; @@ -2280,48 +2352,49 @@ enum { JIT_COMPILE, JIT_PARTIAL_SOFT_COMPILE, JIT_PARTIAL_HARD_COMPILE, code vector run on as long as necessary after the end. We store an explicit offset to the name table so that if a regex is compiled on one host, saved, and then run on another where the size of pointers is different, all might still -be well. For the case of compiled-on-4 and run-on-8, we include an extra -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 +be well. + +The size of the structure must be a multiple of 8 bytes. For the case of +compiled-on-4 and run-on-8, we include an extra pointer that is always NULL so +that there are an even number of pointers which therefore are a multiple of 8 +bytes. + +It is necessary to fork the struct for the 32 bit library, since it needs to +use pcre_uint32 for first_char and req_char. We can't put an ifdef inside the +typedef because pcretest needs access to the struct of the 8-, 16- and 32-bit +variants. + +*** WARNING *** +When new fields are added to these structures, remember to adjust the code in +pcre_byte_order.c that is concerned with swapping the byte order of the fields +when a compiled regex is reloaded on a host with different endianness. +*** WARNING *** +There is also similar byte-flipping code in pcretest.c, which is used for +testing the byte-flipping features. It must also be kept in step. +*** WARNING *** */ -#if defined COMPILE_PCRE8 -#define REAL_PCRE real_pcre -#elif defined COMPILE_PCRE16 -#define REAL_PCRE real_pcre16 -#elif defined COMPILE_PCRE32 -#define REAL_PCRE real_pcre32 -#endif - -/* It is necessary to fork the struct for 32 bit, since it needs to use - * pcre_uchar for first_char and req_char. Can't put an ifdef inside the - * typedef since pcretest needs access to the struct of the 8-, 16- - * and 32-bit variants. */ - typedef struct real_pcre8_or_16 { pcre_uint32 magic_number; pcre_uint32 size; /* Total that was malloced */ pcre_uint32 options; /* Public options */ - pcre_uint16 flags; /* Private flags */ + pcre_uint32 flags; /* Private flags */ + pcre_uint32 limit_match; /* Limit set from regex */ + pcre_uint32 limit_recursion; /* Limit set from regex */ + pcre_uint16 first_char; /* Starting character */ + pcre_uint16 req_char; /* This character must be seen */ pcre_uint16 max_lookbehind; /* Longest lookbehind (characters) */ pcre_uint16 top_bracket; /* Highest numbered group */ pcre_uint16 top_backref; /* Highest numbered back reference */ - pcre_uint16 first_char; /* Starting character */ - pcre_uint16 req_char; /* This character must be seen */ pcre_uint16 name_table_offset; /* Offset to name table that follows */ pcre_uint16 name_entry_size; /* Size of any name items */ pcre_uint16 name_count; /* Number of name items */ pcre_uint16 ref_count; /* Reference count */ + pcre_uint16 dummy1; /* To ensure size is a multiple of 8 */ + pcre_uint16 dummy2; /* To ensure size is a multiple of 8 */ + pcre_uint16 dummy3; /* To ensure size is a multiple of 8 */ const pcre_uint8 *tables; /* Pointer to tables or NULL for std */ - const pcre_uint8 *nullpad; /* NULL padding */ + void *nullpad; /* NULL padding */ } real_pcre8_or_16; typedef struct real_pcre8_or_16 real_pcre; @@ -2331,22 +2404,31 @@ typedef struct real_pcre32 { pcre_uint32 magic_number; pcre_uint32 size; /* Total that was malloced */ pcre_uint32 options; /* Public options */ - pcre_uint16 flags; /* Private flags */ + pcre_uint32 flags; /* Private flags */ + pcre_uint32 limit_match; /* Limit set from regex */ + pcre_uint32 limit_recursion; /* Limit set from regex */ + pcre_uint32 first_char; /* Starting character */ + pcre_uint32 req_char; /* This character must be seen */ pcre_uint16 max_lookbehind; /* Longest lookbehind (characters) */ pcre_uint16 top_bracket; /* Highest numbered group */ pcre_uint16 top_backref; /* Highest numbered back reference */ - pcre_uint32 first_char; /* Starting character */ - pcre_uint32 req_char; /* This character must be seen */ pcre_uint16 name_table_offset; /* Offset to name table that follows */ pcre_uint16 name_entry_size; /* Size of any name items */ pcre_uint16 name_count; /* Number of name items */ pcre_uint16 ref_count; /* Reference count */ - pcre_uint16 dummy1; /* for later expansion */ - pcre_uint16 dummy2; /* for later expansion */ + pcre_uint16 dummy; /* To ensure size is a multiple of 8 */ const pcre_uint8 *tables; /* Pointer to tables or NULL for std */ - void *nullpad; /* for later expansion */ + void *nullpad; /* NULL padding */ } real_pcre32; +#if defined COMPILE_PCRE8 +#define REAL_PCRE real_pcre +#elif defined COMPILE_PCRE16 +#define REAL_PCRE real_pcre16 +#elif defined COMPILE_PCRE32 +#define REAL_PCRE real_pcre32 +#endif + /* Assert that the size of REAL_PCRE is divisible by 8 */ typedef int __assert_real_pcre_size_divisible_8[(sizeof(REAL_PCRE) % 8) == 0 ? 1 : -1]; @@ -2380,6 +2462,15 @@ typedef struct open_capitem { pcre_uint16 flag; /* Set TRUE if recursive back ref */ } open_capitem; +/* Structure for building a list of named groups during the first pass of +compiling. */ + +typedef struct named_group { + const pcre_uchar *name; /* Points to the name in the pattern */ + int length; /* Length of the name */ + pcre_uint32 number; /* Group number */ +} named_group; + /* Structure for passing "static" information around between the functions doing the compiling, so that they are thread-safe. */ @@ -2392,24 +2483,29 @@ typedef struct compile_data { const pcre_uchar *start_code; /* The start of the compiled code */ const pcre_uchar *start_pattern; /* The start of the pattern */ const pcre_uchar *end_pattern; /* The end of the pattern */ - open_capitem *open_caps; /* Chain of open capture items */ pcre_uchar *hwm; /* High watermark of workspace */ + open_capitem *open_caps; /* Chain of open capture items */ + named_group *named_groups; /* Points to vector in pre-compile */ pcre_uchar *name_table; /* The name/number table */ int names_found; /* Number of entries so far */ int name_entry_size; /* Size of each entry */ + int named_group_list_size; /* Number of entries in the list */ int workspace_size; /* Size of workspace */ - unsigned int bracount; /* Count of capturing parens as we compile */ + unsigned int bracount; /* Count of capturing parens as we compile */ int final_bracount; /* Saved value after first pass */ int max_lookbehind; /* Maximum lookbehind (characters) */ int top_backref; /* Maximum back reference */ unsigned int backref_map; /* Bitmap of low back refs */ + unsigned int namedrefcount; /* Number of backreferences by name */ + int parens_depth; /* Depth of nested parentheses */ int assert_depth; /* Depth of nested assertions */ - int external_options; /* External (initial) options */ - int external_flags; /* External flag bits to be set */ + pcre_uint32 external_options; /* External (initial) options */ + pcre_uint32 external_flags; /* External flag bits to be set */ int req_varyopt; /* "After variable item" flag for reqbyte */ BOOL had_accept; /* (*ACCEPT) encountered */ BOOL had_pruneorskip; /* (*PRUNE) or (*SKIP) encountered */ BOOL check_lookbehind; /* Lookbehinds need later checking */ + BOOL dupnames; /* Duplicate names exist */ int nltype; /* Newline type */ int nllen; /* Newline string length */ pcre_uchar nl[4]; /* Newline string when fixed length */ @@ -2431,6 +2527,7 @@ typedef struct recursion_info { unsigned int group_num; /* Number of group that was called */ int *offset_save; /* Pointer to start of saved offsets */ int saved_max; /* Number of saved offsets */ + int saved_capture_last; /* Last capture number */ PCRE_PUCHAR subject_position; /* Position at start of recursion */ } recursion_info; @@ -2467,12 +2564,13 @@ typedef struct match_data { int nllen; /* Newline string length */ int name_count; /* Number of names in name table */ int name_entry_size; /* Size of entry in names table */ + unsigned int skip_arg_count; /* For counting SKIP_ARGs */ + unsigned int ignore_skip_arg; /* For re-run when SKIP arg name not found */ pcre_uchar *name_table; /* Table of names */ pcre_uchar nl[4]; /* Newline string when fixed */ const pcre_uint8 *lcc; /* Points to lower casing table */ const pcre_uint8 *fcc; /* Points to case-flipping table */ const pcre_uint8 *ctypes; /* Points to table of type maps */ - BOOL offset_overflow; /* Set if too many extractions */ BOOL notbol; /* NOTBOL flag */ BOOL noteol; /* NOTEOL flag */ BOOL utf; /* UTF-8 / UTF-16 flag */ @@ -2484,7 +2582,6 @@ typedef struct match_data { BOOL hitend; /* Hit the end of the subject at some point */ BOOL bsr_anycrlf; /* \R is just any CRLF, not full Unicode */ BOOL hasthen; /* Pattern contains (*THEN) */ - BOOL ignore_skip_arg; /* For re-run when SKIP name not found */ const pcre_uchar *start_code; /* For use when recursing */ PCRE_PUCHAR start_subject; /* Start of the subject string */ PCRE_PUCHAR end_subject; /* End of the subject string */ @@ -2493,7 +2590,7 @@ typedef struct match_data { PCRE_PUCHAR start_used_ptr; /* Earliest consulted character */ int partial; /* PARTIAL options */ int end_offset_top; /* Highwater mark at end of match */ - int capture_last; /* Most recent capture number */ + pcre_int32 capture_last; /* Most recent capture number + overflow flag */ int start_offset; /* The start offset value */ int match_function_type; /* Set for certain special calls of MATCH() */ eptrblock *eptrchain; /* Chain of eptrblocks for tail recursions */ |