pcre2 (10.42)

(root)/
include/
pcre2.h
       1  /*************************************************
       2  *       Perl-Compatible Regular Expressions      *
       3  *************************************************/
       4  
       5  /* This is the public header file for the PCRE library, second API, to be
       6  #included by applications that call PCRE2 functions.
       7  
       8             Copyright (c) 2016-2021 University of Cambridge
       9  
      10  -----------------------------------------------------------------------------
      11  Redistribution and use in source and binary forms, with or without
      12  modification, are permitted provided that the following conditions are met:
      13  
      14      * Redistributions of source code must retain the above copyright notice,
      15        this list of conditions and the following disclaimer.
      16  
      17      * Redistributions in binary form must reproduce the above copyright
      18        notice, this list of conditions and the following disclaimer in the
      19        documentation and/or other materials provided with the distribution.
      20  
      21      * Neither the name of the University of Cambridge nor the names of its
      22        contributors may be used to endorse or promote products derived from
      23        this software without specific prior written permission.
      24  
      25  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
      26  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      27  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      28  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
      29  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
      30  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
      31  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
      32  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
      33  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
      34  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
      35  POSSIBILITY OF SUCH DAMAGE.
      36  -----------------------------------------------------------------------------
      37  */
      38  
      39  #ifndef PCRE2_H_IDEMPOTENT_GUARD
      40  #define PCRE2_H_IDEMPOTENT_GUARD
      41  
      42  /* The current PCRE version information. */
      43  
      44  #define PCRE2_MAJOR           10
      45  #define PCRE2_MINOR           42
      46  #define PCRE2_PRERELEASE      
      47  #define PCRE2_DATE            2022-12-11
      48  
      49  /* When an application links to a PCRE DLL in Windows, the symbols that are
      50  imported have to be identified as such. When building PCRE2, the appropriate
      51  export setting is defined in pcre2_internal.h, which includes this file. So we
      52  don't change existing definitions of PCRE2_EXP_DECL. */
      53  
      54  #if defined(_WIN32) && !defined(PCRE2_STATIC)
      55  #  ifndef PCRE2_EXP_DECL
      56  #    define PCRE2_EXP_DECL  extern __declspec(dllimport)
      57  #  endif
      58  #endif
      59  
      60  /* By default, we use the standard "extern" declarations. */
      61  
      62  #ifndef PCRE2_EXP_DECL
      63  #  ifdef __cplusplus
      64  #    define PCRE2_EXP_DECL  extern "C"
      65  #  else
      66  #    define PCRE2_EXP_DECL  extern
      67  #  endif
      68  #endif
      69  
      70  /* When compiling with the MSVC compiler, it is sometimes necessary to include
      71  a "calling convention" before exported function names. (This is secondhand
      72  information; I know nothing about MSVC myself). For example, something like
      73  
      74    void __cdecl function(....)
      75  
      76  might be needed. In order so make this easy, all the exported functions have
      77  PCRE2_CALL_CONVENTION just before their names. It is rarely needed; if not
      78  set, we ensure here that it has no effect. */
      79  
      80  #ifndef PCRE2_CALL_CONVENTION
      81  #define PCRE2_CALL_CONVENTION
      82  #endif
      83  
      84  /* Have to include limits.h, stdlib.h, and inttypes.h to ensure that size_t and
      85  uint8_t, UCHAR_MAX, etc are defined. Some systems that do have inttypes.h do
      86  not have stdint.h, which is why we use inttypes.h, which according to the C
      87  standard is a superset of stdint.h. If inttypes.h is not available the build
      88  will break and the relevant values must be provided by some other means. */
      89  
      90  #include <limits.h>
      91  #include <stdlib.h>
      92  #include <inttypes.h>
      93  
      94  /* Allow for C++ users compiling this directly. */
      95  
      96  #ifdef __cplusplus
      97  extern "C" {
      98  #endif
      99  
     100  /* The following option bits can be passed to pcre2_compile(), pcre2_match(),
     101  or pcre2_dfa_match(). PCRE2_NO_UTF_CHECK affects only the function to which it
     102  is passed. Put these bits at the most significant end of the options word so
     103  others can be added next to them */
     104  
     105  #define PCRE2_ANCHORED            0x80000000u
     106  #define PCRE2_NO_UTF_CHECK        0x40000000u
     107  #define PCRE2_ENDANCHORED         0x20000000u
     108  
     109  /* The following option bits can be passed only to pcre2_compile(). However,
     110  they may affect compilation, JIT compilation, and/or interpretive execution.
     111  The following tags indicate which:
     112  
     113  C   alters what is compiled by pcre2_compile()
     114  J   alters what is compiled by pcre2_jit_compile()
     115  M   is inspected during pcre2_match() execution
     116  D   is inspected during pcre2_dfa_match() execution
     117  */
     118  
     119  #define PCRE2_ALLOW_EMPTY_CLASS   0x00000001u  /* C       */
     120  #define PCRE2_ALT_BSUX            0x00000002u  /* C       */
     121  #define PCRE2_AUTO_CALLOUT        0x00000004u  /* C       */
     122  #define PCRE2_CASELESS            0x00000008u  /* C       */
     123  #define PCRE2_DOLLAR_ENDONLY      0x00000010u  /*   J M D */
     124  #define PCRE2_DOTALL              0x00000020u  /* C       */
     125  #define PCRE2_DUPNAMES            0x00000040u  /* C       */
     126  #define PCRE2_EXTENDED            0x00000080u  /* C       */
     127  #define PCRE2_FIRSTLINE           0x00000100u  /*   J M D */
     128  #define PCRE2_MATCH_UNSET_BACKREF 0x00000200u  /* C J M   */
     129  #define PCRE2_MULTILINE           0x00000400u  /* C       */
     130  #define PCRE2_NEVER_UCP           0x00000800u  /* C       */
     131  #define PCRE2_NEVER_UTF           0x00001000u  /* C       */
     132  #define PCRE2_NO_AUTO_CAPTURE     0x00002000u  /* C       */
     133  #define PCRE2_NO_AUTO_POSSESS     0x00004000u  /* C       */
     134  #define PCRE2_NO_DOTSTAR_ANCHOR   0x00008000u  /* C       */
     135  #define PCRE2_NO_START_OPTIMIZE   0x00010000u  /*   J M D */
     136  #define PCRE2_UCP                 0x00020000u  /* C J M D */
     137  #define PCRE2_UNGREEDY            0x00040000u  /* C       */
     138  #define PCRE2_UTF                 0x00080000u  /* C J M D */
     139  #define PCRE2_NEVER_BACKSLASH_C   0x00100000u  /* C       */
     140  #define PCRE2_ALT_CIRCUMFLEX      0x00200000u  /*   J M D */
     141  #define PCRE2_ALT_VERBNAMES       0x00400000u  /* C       */
     142  #define PCRE2_USE_OFFSET_LIMIT    0x00800000u  /*   J M D */
     143  #define PCRE2_EXTENDED_MORE       0x01000000u  /* C       */
     144  #define PCRE2_LITERAL             0x02000000u  /* C       */
     145  #define PCRE2_MATCH_INVALID_UTF   0x04000000u  /*   J M D */
     146  
     147  /* An additional compile options word is available in the compile context. */
     148  
     149  #define PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES  0x00000001u  /* C */
     150  #define PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL    0x00000002u  /* C */
     151  #define PCRE2_EXTRA_MATCH_WORD               0x00000004u  /* C */
     152  #define PCRE2_EXTRA_MATCH_LINE               0x00000008u  /* C */
     153  #define PCRE2_EXTRA_ESCAPED_CR_IS_LF         0x00000010u  /* C */
     154  #define PCRE2_EXTRA_ALT_BSUX                 0x00000020u  /* C */
     155  #define PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK     0x00000040u  /* C */
     156  
     157  /* These are for pcre2_jit_compile(). */
     158  
     159  #define PCRE2_JIT_COMPLETE        0x00000001u  /* For full matching */
     160  #define PCRE2_JIT_PARTIAL_SOFT    0x00000002u
     161  #define PCRE2_JIT_PARTIAL_HARD    0x00000004u
     162  #define PCRE2_JIT_INVALID_UTF     0x00000100u
     163  
     164  /* These are for pcre2_match(), pcre2_dfa_match(), pcre2_jit_match(), and
     165  pcre2_substitute(). Some are allowed only for one of the functions, and in
     166  these cases it is noted below. Note that PCRE2_ANCHORED, PCRE2_ENDANCHORED and
     167  PCRE2_NO_UTF_CHECK can also be passed to these functions (though
     168  pcre2_jit_match() ignores the latter since it bypasses all sanity checks). */
     169  
     170  #define PCRE2_NOTBOL                      0x00000001u
     171  #define PCRE2_NOTEOL                      0x00000002u
     172  #define PCRE2_NOTEMPTY                    0x00000004u  /* ) These two must be kept */
     173  #define PCRE2_NOTEMPTY_ATSTART            0x00000008u  /* ) adjacent to each other. */
     174  #define PCRE2_PARTIAL_SOFT                0x00000010u
     175  #define PCRE2_PARTIAL_HARD                0x00000020u
     176  #define PCRE2_DFA_RESTART                 0x00000040u  /* pcre2_dfa_match() only */
     177  #define PCRE2_DFA_SHORTEST                0x00000080u  /* pcre2_dfa_match() only */
     178  #define PCRE2_SUBSTITUTE_GLOBAL           0x00000100u  /* pcre2_substitute() only */
     179  #define PCRE2_SUBSTITUTE_EXTENDED         0x00000200u  /* pcre2_substitute() only */
     180  #define PCRE2_SUBSTITUTE_UNSET_EMPTY      0x00000400u  /* pcre2_substitute() only */
     181  #define PCRE2_SUBSTITUTE_UNKNOWN_UNSET    0x00000800u  /* pcre2_substitute() only */
     182  #define PCRE2_SUBSTITUTE_OVERFLOW_LENGTH  0x00001000u  /* pcre2_substitute() only */
     183  #define PCRE2_NO_JIT                      0x00002000u  /* Not for pcre2_dfa_match() */
     184  #define PCRE2_COPY_MATCHED_SUBJECT        0x00004000u
     185  #define PCRE2_SUBSTITUTE_LITERAL          0x00008000u  /* pcre2_substitute() only */
     186  #define PCRE2_SUBSTITUTE_MATCHED          0x00010000u  /* pcre2_substitute() only */
     187  #define PCRE2_SUBSTITUTE_REPLACEMENT_ONLY 0x00020000u  /* pcre2_substitute() only */
     188  
     189  /* Options for pcre2_pattern_convert(). */
     190  
     191  #define PCRE2_CONVERT_UTF                    0x00000001u
     192  #define PCRE2_CONVERT_NO_UTF_CHECK           0x00000002u
     193  #define PCRE2_CONVERT_POSIX_BASIC            0x00000004u
     194  #define PCRE2_CONVERT_POSIX_EXTENDED         0x00000008u
     195  #define PCRE2_CONVERT_GLOB                   0x00000010u
     196  #define PCRE2_CONVERT_GLOB_NO_WILD_SEPARATOR 0x00000030u
     197  #define PCRE2_CONVERT_GLOB_NO_STARSTAR       0x00000050u
     198  
     199  /* Newline and \R settings, for use in compile contexts. The newline values
     200  must be kept in step with values set in config.h and both sets must all be
     201  greater than zero. */
     202  
     203  #define PCRE2_NEWLINE_CR          1
     204  #define PCRE2_NEWLINE_LF          2
     205  #define PCRE2_NEWLINE_CRLF        3
     206  #define PCRE2_NEWLINE_ANY         4
     207  #define PCRE2_NEWLINE_ANYCRLF     5
     208  #define PCRE2_NEWLINE_NUL         6
     209  
     210  #define PCRE2_BSR_UNICODE         1
     211  #define PCRE2_BSR_ANYCRLF         2
     212  
     213  /* Error codes for pcre2_compile(). Some of these are also used by
     214  pcre2_pattern_convert(). */
     215  
     216  #define PCRE2_ERROR_END_BACKSLASH                  101
     217  #define PCRE2_ERROR_END_BACKSLASH_C                102
     218  #define PCRE2_ERROR_UNKNOWN_ESCAPE                 103
     219  #define PCRE2_ERROR_QUANTIFIER_OUT_OF_ORDER        104
     220  #define PCRE2_ERROR_QUANTIFIER_TOO_BIG             105
     221  #define PCRE2_ERROR_MISSING_SQUARE_BRACKET         106
     222  #define PCRE2_ERROR_ESCAPE_INVALID_IN_CLASS        107
     223  #define PCRE2_ERROR_CLASS_RANGE_ORDER              108
     224  #define PCRE2_ERROR_QUANTIFIER_INVALID             109
     225  #define PCRE2_ERROR_INTERNAL_UNEXPECTED_REPEAT     110
     226  #define PCRE2_ERROR_INVALID_AFTER_PARENS_QUERY     111
     227  #define PCRE2_ERROR_POSIX_CLASS_NOT_IN_CLASS       112
     228  #define PCRE2_ERROR_POSIX_NO_SUPPORT_COLLATING     113
     229  #define PCRE2_ERROR_MISSING_CLOSING_PARENTHESIS    114
     230  #define PCRE2_ERROR_BAD_SUBPATTERN_REFERENCE       115
     231  #define PCRE2_ERROR_NULL_PATTERN                   116
     232  #define PCRE2_ERROR_BAD_OPTIONS                    117
     233  #define PCRE2_ERROR_MISSING_COMMENT_CLOSING        118
     234  #define PCRE2_ERROR_PARENTHESES_NEST_TOO_DEEP      119
     235  #define PCRE2_ERROR_PATTERN_TOO_LARGE              120
     236  #define PCRE2_ERROR_HEAP_FAILED                    121
     237  #define PCRE2_ERROR_UNMATCHED_CLOSING_PARENTHESIS  122
     238  #define PCRE2_ERROR_INTERNAL_CODE_OVERFLOW         123
     239  #define PCRE2_ERROR_MISSING_CONDITION_CLOSING      124
     240  #define PCRE2_ERROR_LOOKBEHIND_NOT_FIXED_LENGTH    125
     241  #define PCRE2_ERROR_ZERO_RELATIVE_REFERENCE        126
     242  #define PCRE2_ERROR_TOO_MANY_CONDITION_BRANCHES    127
     243  #define PCRE2_ERROR_CONDITION_ASSERTION_EXPECTED   128
     244  #define PCRE2_ERROR_BAD_RELATIVE_REFERENCE         129
     245  #define PCRE2_ERROR_UNKNOWN_POSIX_CLASS            130
     246  #define PCRE2_ERROR_INTERNAL_STUDY_ERROR           131
     247  #define PCRE2_ERROR_UNICODE_NOT_SUPPORTED          132
     248  #define PCRE2_ERROR_PARENTHESES_STACK_CHECK        133
     249  #define PCRE2_ERROR_CODE_POINT_TOO_BIG             134
     250  #define PCRE2_ERROR_LOOKBEHIND_TOO_COMPLICATED     135
     251  #define PCRE2_ERROR_LOOKBEHIND_INVALID_BACKSLASH_C 136
     252  #define PCRE2_ERROR_UNSUPPORTED_ESCAPE_SEQUENCE    137
     253  #define PCRE2_ERROR_CALLOUT_NUMBER_TOO_BIG         138
     254  #define PCRE2_ERROR_MISSING_CALLOUT_CLOSING        139
     255  #define PCRE2_ERROR_ESCAPE_INVALID_IN_VERB         140
     256  #define PCRE2_ERROR_UNRECOGNIZED_AFTER_QUERY_P     141
     257  #define PCRE2_ERROR_MISSING_NAME_TERMINATOR        142
     258  #define PCRE2_ERROR_DUPLICATE_SUBPATTERN_NAME      143
     259  #define PCRE2_ERROR_INVALID_SUBPATTERN_NAME        144
     260  #define PCRE2_ERROR_UNICODE_PROPERTIES_UNAVAILABLE 145
     261  #define PCRE2_ERROR_MALFORMED_UNICODE_PROPERTY     146
     262  #define PCRE2_ERROR_UNKNOWN_UNICODE_PROPERTY       147
     263  #define PCRE2_ERROR_SUBPATTERN_NAME_TOO_LONG       148
     264  #define PCRE2_ERROR_TOO_MANY_NAMED_SUBPATTERNS     149
     265  #define PCRE2_ERROR_CLASS_INVALID_RANGE            150
     266  #define PCRE2_ERROR_OCTAL_BYTE_TOO_BIG             151
     267  #define PCRE2_ERROR_INTERNAL_OVERRAN_WORKSPACE     152
     268  #define PCRE2_ERROR_INTERNAL_MISSING_SUBPATTERN    153
     269  #define PCRE2_ERROR_DEFINE_TOO_MANY_BRANCHES       154
     270  #define PCRE2_ERROR_BACKSLASH_O_MISSING_BRACE      155
     271  #define PCRE2_ERROR_INTERNAL_UNKNOWN_NEWLINE       156
     272  #define PCRE2_ERROR_BACKSLASH_G_SYNTAX             157
     273  #define PCRE2_ERROR_PARENS_QUERY_R_MISSING_CLOSING 158
     274  /* Error 159 is obsolete and should now never occur */
     275  #define PCRE2_ERROR_VERB_ARGUMENT_NOT_ALLOWED      159
     276  #define PCRE2_ERROR_VERB_UNKNOWN                   160
     277  #define PCRE2_ERROR_SUBPATTERN_NUMBER_TOO_BIG      161
     278  #define PCRE2_ERROR_SUBPATTERN_NAME_EXPECTED       162
     279  #define PCRE2_ERROR_INTERNAL_PARSED_OVERFLOW       163
     280  #define PCRE2_ERROR_INVALID_OCTAL                  164
     281  #define PCRE2_ERROR_SUBPATTERN_NAMES_MISMATCH      165
     282  #define PCRE2_ERROR_MARK_MISSING_ARGUMENT          166
     283  #define PCRE2_ERROR_INVALID_HEXADECIMAL            167
     284  #define PCRE2_ERROR_BACKSLASH_C_SYNTAX             168
     285  #define PCRE2_ERROR_BACKSLASH_K_SYNTAX             169
     286  #define PCRE2_ERROR_INTERNAL_BAD_CODE_LOOKBEHINDS  170
     287  #define PCRE2_ERROR_BACKSLASH_N_IN_CLASS           171
     288  #define PCRE2_ERROR_CALLOUT_STRING_TOO_LONG        172
     289  #define PCRE2_ERROR_UNICODE_DISALLOWED_CODE_POINT  173
     290  #define PCRE2_ERROR_UTF_IS_DISABLED                174
     291  #define PCRE2_ERROR_UCP_IS_DISABLED                175
     292  #define PCRE2_ERROR_VERB_NAME_TOO_LONG             176
     293  #define PCRE2_ERROR_BACKSLASH_U_CODE_POINT_TOO_BIG 177
     294  #define PCRE2_ERROR_MISSING_OCTAL_OR_HEX_DIGITS    178
     295  #define PCRE2_ERROR_VERSION_CONDITION_SYNTAX       179
     296  #define PCRE2_ERROR_INTERNAL_BAD_CODE_AUTO_POSSESS 180
     297  #define PCRE2_ERROR_CALLOUT_NO_STRING_DELIMITER    181
     298  #define PCRE2_ERROR_CALLOUT_BAD_STRING_DELIMITER   182
     299  #define PCRE2_ERROR_BACKSLASH_C_CALLER_DISABLED    183
     300  #define PCRE2_ERROR_QUERY_BARJX_NEST_TOO_DEEP      184
     301  #define PCRE2_ERROR_BACKSLASH_C_LIBRARY_DISABLED   185
     302  #define PCRE2_ERROR_PATTERN_TOO_COMPLICATED        186
     303  #define PCRE2_ERROR_LOOKBEHIND_TOO_LONG            187
     304  #define PCRE2_ERROR_PATTERN_STRING_TOO_LONG        188
     305  #define PCRE2_ERROR_INTERNAL_BAD_CODE              189
     306  #define PCRE2_ERROR_INTERNAL_BAD_CODE_IN_SKIP      190
     307  #define PCRE2_ERROR_NO_SURROGATES_IN_UTF16         191
     308  #define PCRE2_ERROR_BAD_LITERAL_OPTIONS            192
     309  #define PCRE2_ERROR_SUPPORTED_ONLY_IN_UNICODE      193
     310  #define PCRE2_ERROR_INVALID_HYPHEN_IN_OPTIONS      194
     311  #define PCRE2_ERROR_ALPHA_ASSERTION_UNKNOWN        195
     312  #define PCRE2_ERROR_SCRIPT_RUN_NOT_AVAILABLE       196
     313  #define PCRE2_ERROR_TOO_MANY_CAPTURES              197
     314  #define PCRE2_ERROR_CONDITION_ATOMIC_ASSERTION_EXPECTED  198
     315  #define PCRE2_ERROR_BACKSLASH_K_IN_LOOKAROUND      199
     316  
     317  
     318  /* "Expected" matching error codes: no match and partial match. */
     319  
     320  #define PCRE2_ERROR_NOMATCH          (-1)
     321  #define PCRE2_ERROR_PARTIAL          (-2)
     322  
     323  /* Error codes for UTF-8 validity checks */
     324  
     325  #define PCRE2_ERROR_UTF8_ERR1        (-3)
     326  #define PCRE2_ERROR_UTF8_ERR2        (-4)
     327  #define PCRE2_ERROR_UTF8_ERR3        (-5)
     328  #define PCRE2_ERROR_UTF8_ERR4        (-6)
     329  #define PCRE2_ERROR_UTF8_ERR5        (-7)
     330  #define PCRE2_ERROR_UTF8_ERR6        (-8)
     331  #define PCRE2_ERROR_UTF8_ERR7        (-9)
     332  #define PCRE2_ERROR_UTF8_ERR8       (-10)
     333  #define PCRE2_ERROR_UTF8_ERR9       (-11)
     334  #define PCRE2_ERROR_UTF8_ERR10      (-12)
     335  #define PCRE2_ERROR_UTF8_ERR11      (-13)
     336  #define PCRE2_ERROR_UTF8_ERR12      (-14)
     337  #define PCRE2_ERROR_UTF8_ERR13      (-15)
     338  #define PCRE2_ERROR_UTF8_ERR14      (-16)
     339  #define PCRE2_ERROR_UTF8_ERR15      (-17)
     340  #define PCRE2_ERROR_UTF8_ERR16      (-18)
     341  #define PCRE2_ERROR_UTF8_ERR17      (-19)
     342  #define PCRE2_ERROR_UTF8_ERR18      (-20)
     343  #define PCRE2_ERROR_UTF8_ERR19      (-21)
     344  #define PCRE2_ERROR_UTF8_ERR20      (-22)
     345  #define PCRE2_ERROR_UTF8_ERR21      (-23)
     346  
     347  /* Error codes for UTF-16 validity checks */
     348  
     349  #define PCRE2_ERROR_UTF16_ERR1      (-24)
     350  #define PCRE2_ERROR_UTF16_ERR2      (-25)
     351  #define PCRE2_ERROR_UTF16_ERR3      (-26)
     352  
     353  /* Error codes for UTF-32 validity checks */
     354  
     355  #define PCRE2_ERROR_UTF32_ERR1      (-27)
     356  #define PCRE2_ERROR_UTF32_ERR2      (-28)
     357  
     358  /* Miscellaneous error codes for pcre2[_dfa]_match(), substring extraction
     359  functions, context functions, and serializing functions. They are in numerical
     360  order. Originally they were in alphabetical order too, but now that PCRE2 is
     361  released, the numbers must not be changed. */
     362  
     363  #define PCRE2_ERROR_BADDATA           (-29)
     364  #define PCRE2_ERROR_MIXEDTABLES       (-30)  /* Name was changed */
     365  #define PCRE2_ERROR_BADMAGIC          (-31)
     366  #define PCRE2_ERROR_BADMODE           (-32)
     367  #define PCRE2_ERROR_BADOFFSET         (-33)
     368  #define PCRE2_ERROR_BADOPTION         (-34)
     369  #define PCRE2_ERROR_BADREPLACEMENT    (-35)
     370  #define PCRE2_ERROR_BADUTFOFFSET      (-36)
     371  #define PCRE2_ERROR_CALLOUT           (-37)  /* Never used by PCRE2 itself */
     372  #define PCRE2_ERROR_DFA_BADRESTART    (-38)
     373  #define PCRE2_ERROR_DFA_RECURSE       (-39)
     374  #define PCRE2_ERROR_DFA_UCOND         (-40)
     375  #define PCRE2_ERROR_DFA_UFUNC         (-41)
     376  #define PCRE2_ERROR_DFA_UITEM         (-42)
     377  #define PCRE2_ERROR_DFA_WSSIZE        (-43)
     378  #define PCRE2_ERROR_INTERNAL          (-44)
     379  #define PCRE2_ERROR_JIT_BADOPTION     (-45)
     380  #define PCRE2_ERROR_JIT_STACKLIMIT    (-46)
     381  #define PCRE2_ERROR_MATCHLIMIT        (-47)
     382  #define PCRE2_ERROR_NOMEMORY          (-48)
     383  #define PCRE2_ERROR_NOSUBSTRING       (-49)
     384  #define PCRE2_ERROR_NOUNIQUESUBSTRING (-50)
     385  #define PCRE2_ERROR_NULL              (-51)
     386  #define PCRE2_ERROR_RECURSELOOP       (-52)
     387  #define PCRE2_ERROR_DEPTHLIMIT        (-53)
     388  #define PCRE2_ERROR_RECURSIONLIMIT    (-53)  /* Obsolete synonym */
     389  #define PCRE2_ERROR_UNAVAILABLE       (-54)
     390  #define PCRE2_ERROR_UNSET             (-55)
     391  #define PCRE2_ERROR_BADOFFSETLIMIT    (-56)
     392  #define PCRE2_ERROR_BADREPESCAPE      (-57)
     393  #define PCRE2_ERROR_REPMISSINGBRACE   (-58)
     394  #define PCRE2_ERROR_BADSUBSTITUTION   (-59)
     395  #define PCRE2_ERROR_BADSUBSPATTERN    (-60)
     396  #define PCRE2_ERROR_TOOMANYREPLACE    (-61)
     397  #define PCRE2_ERROR_BADSERIALIZEDDATA (-62)
     398  #define PCRE2_ERROR_HEAPLIMIT         (-63)
     399  #define PCRE2_ERROR_CONVERT_SYNTAX    (-64)
     400  #define PCRE2_ERROR_INTERNAL_DUPMATCH (-65)
     401  #define PCRE2_ERROR_DFA_UINVALID_UTF  (-66)
     402  
     403  
     404  /* Request types for pcre2_pattern_info() */
     405  
     406  #define PCRE2_INFO_ALLOPTIONS            0
     407  #define PCRE2_INFO_ARGOPTIONS            1
     408  #define PCRE2_INFO_BACKREFMAX            2
     409  #define PCRE2_INFO_BSR                   3
     410  #define PCRE2_INFO_CAPTURECOUNT          4
     411  #define PCRE2_INFO_FIRSTCODEUNIT         5
     412  #define PCRE2_INFO_FIRSTCODETYPE         6
     413  #define PCRE2_INFO_FIRSTBITMAP           7
     414  #define PCRE2_INFO_HASCRORLF             8
     415  #define PCRE2_INFO_JCHANGED              9
     416  #define PCRE2_INFO_JITSIZE              10
     417  #define PCRE2_INFO_LASTCODEUNIT         11
     418  #define PCRE2_INFO_LASTCODETYPE         12
     419  #define PCRE2_INFO_MATCHEMPTY           13
     420  #define PCRE2_INFO_MATCHLIMIT           14
     421  #define PCRE2_INFO_MAXLOOKBEHIND        15
     422  #define PCRE2_INFO_MINLENGTH            16
     423  #define PCRE2_INFO_NAMECOUNT            17
     424  #define PCRE2_INFO_NAMEENTRYSIZE        18
     425  #define PCRE2_INFO_NAMETABLE            19
     426  #define PCRE2_INFO_NEWLINE              20
     427  #define PCRE2_INFO_DEPTHLIMIT           21
     428  #define PCRE2_INFO_RECURSIONLIMIT       21  /* Obsolete synonym */
     429  #define PCRE2_INFO_SIZE                 22
     430  #define PCRE2_INFO_HASBACKSLASHC        23
     431  #define PCRE2_INFO_FRAMESIZE            24
     432  #define PCRE2_INFO_HEAPLIMIT            25
     433  #define PCRE2_INFO_EXTRAOPTIONS         26
     434  
     435  /* Request types for pcre2_config(). */
     436  
     437  #define PCRE2_CONFIG_BSR                     0
     438  #define PCRE2_CONFIG_JIT                     1
     439  #define PCRE2_CONFIG_JITTARGET               2
     440  #define PCRE2_CONFIG_LINKSIZE                3
     441  #define PCRE2_CONFIG_MATCHLIMIT              4
     442  #define PCRE2_CONFIG_NEWLINE                 5
     443  #define PCRE2_CONFIG_PARENSLIMIT             6
     444  #define PCRE2_CONFIG_DEPTHLIMIT              7
     445  #define PCRE2_CONFIG_RECURSIONLIMIT          7  /* Obsolete synonym */
     446  #define PCRE2_CONFIG_STACKRECURSE            8  /* Obsolete */
     447  #define PCRE2_CONFIG_UNICODE                 9
     448  #define PCRE2_CONFIG_UNICODE_VERSION        10
     449  #define PCRE2_CONFIG_VERSION                11
     450  #define PCRE2_CONFIG_HEAPLIMIT              12
     451  #define PCRE2_CONFIG_NEVER_BACKSLASH_C      13
     452  #define PCRE2_CONFIG_COMPILED_WIDTHS        14
     453  #define PCRE2_CONFIG_TABLES_LENGTH          15
     454  
     455  
     456  /* Types for code units in patterns and subject strings. */
     457  
     458  typedef uint8_t  PCRE2_UCHAR8;
     459  typedef uint16_t PCRE2_UCHAR16;
     460  typedef uint32_t PCRE2_UCHAR32;
     461  
     462  typedef const PCRE2_UCHAR8  *PCRE2_SPTR8;
     463  typedef const PCRE2_UCHAR16 *PCRE2_SPTR16;
     464  typedef const PCRE2_UCHAR32 *PCRE2_SPTR32;
     465  
     466  /* The PCRE2_SIZE type is used for all string lengths and offsets in PCRE2,
     467  including pattern offsets for errors and subject offsets after a match. We
     468  define special values to indicate zero-terminated strings and unset offsets in
     469  the offset vector (ovector). */
     470  
     471  #define PCRE2_SIZE            size_t
     472  #define PCRE2_SIZE_MAX        SIZE_MAX
     473  #define PCRE2_ZERO_TERMINATED (~(PCRE2_SIZE)0)
     474  #define PCRE2_UNSET           (~(PCRE2_SIZE)0)
     475  
     476  /* Generic types for opaque structures and JIT callback functions. These
     477  declarations are defined in a macro that is expanded for each width later. */
     478  
     479  #define PCRE2_TYPES_LIST \
     480  struct pcre2_real_general_context; \
     481  typedef struct pcre2_real_general_context pcre2_general_context; \
     482  \
     483  struct pcre2_real_compile_context; \
     484  typedef struct pcre2_real_compile_context pcre2_compile_context; \
     485  \
     486  struct pcre2_real_match_context; \
     487  typedef struct pcre2_real_match_context pcre2_match_context; \
     488  \
     489  struct pcre2_real_convert_context; \
     490  typedef struct pcre2_real_convert_context pcre2_convert_context; \
     491  \
     492  struct pcre2_real_code; \
     493  typedef struct pcre2_real_code pcre2_code; \
     494  \
     495  struct pcre2_real_match_data; \
     496  typedef struct pcre2_real_match_data pcre2_match_data; \
     497  \
     498  struct pcre2_real_jit_stack; \
     499  typedef struct pcre2_real_jit_stack pcre2_jit_stack; \
     500  \
     501  typedef pcre2_jit_stack *(*pcre2_jit_callback)(void *);
     502  
     503  
     504  /* The structures for passing out data via callout functions. We use structures
     505  so that new fields can be added on the end in future versions, without changing
     506  the API of the function, thereby allowing old clients to work without
     507  modification. Define the generic versions in a macro; the width-specific
     508  versions are generated from this macro below. */
     509  
     510  /* Flags for the callout_flags field. These are cleared after a callout. */
     511  
     512  #define PCRE2_CALLOUT_STARTMATCH    0x00000001u  /* Set for each bumpalong */
     513  #define PCRE2_CALLOUT_BACKTRACK     0x00000002u  /* Set after a backtrack */
     514  
     515  #define PCRE2_STRUCTURE_LIST \
     516  typedef struct pcre2_callout_block { \
     517    uint32_t      version;           /* Identifies version of block */ \
     518    /* ------------------------ Version 0 ------------------------------- */ \
     519    uint32_t      callout_number;    /* Number compiled into pattern */ \
     520    uint32_t      capture_top;       /* Max current capture */ \
     521    uint32_t      capture_last;      /* Most recently closed capture */ \
     522    PCRE2_SIZE   *offset_vector;     /* The offset vector */ \
     523    PCRE2_SPTR    mark;              /* Pointer to current mark or NULL */ \
     524    PCRE2_SPTR    subject;           /* The subject being matched */ \
     525    PCRE2_SIZE    subject_length;    /* The length of the subject */ \
     526    PCRE2_SIZE    start_match;       /* Offset to start of this match attempt */ \
     527    PCRE2_SIZE    current_position;  /* Where we currently are in the subject */ \
     528    PCRE2_SIZE    pattern_position;  /* Offset to next item in the pattern */ \
     529    PCRE2_SIZE    next_item_length;  /* Length of next item in the pattern */ \
     530    /* ------------------- Added for Version 1 -------------------------- */ \
     531    PCRE2_SIZE    callout_string_offset; /* Offset to string within pattern */ \
     532    PCRE2_SIZE    callout_string_length; /* Length of string compiled into pattern */ \
     533    PCRE2_SPTR    callout_string;    /* String compiled into pattern */ \
     534    /* ------------------- Added for Version 2 -------------------------- */ \
     535    uint32_t      callout_flags;     /* See above for list */ \
     536    /* ------------------------------------------------------------------ */ \
     537  } pcre2_callout_block; \
     538  \
     539  typedef struct pcre2_callout_enumerate_block { \
     540    uint32_t      version;           /* Identifies version of block */ \
     541    /* ------------------------ Version 0 ------------------------------- */ \
     542    PCRE2_SIZE    pattern_position;  /* Offset to next item in the pattern */ \
     543    PCRE2_SIZE    next_item_length;  /* Length of next item in the pattern */ \
     544    uint32_t      callout_number;    /* Number compiled into pattern */ \
     545    PCRE2_SIZE    callout_string_offset; /* Offset to string within pattern */ \
     546    PCRE2_SIZE    callout_string_length; /* Length of string compiled into pattern */ \
     547    PCRE2_SPTR    callout_string;    /* String compiled into pattern */ \
     548    /* ------------------------------------------------------------------ */ \
     549  } pcre2_callout_enumerate_block; \
     550  \
     551  typedef struct pcre2_substitute_callout_block { \
     552    uint32_t      version;           /* Identifies version of block */ \
     553    /* ------------------------ Version 0 ------------------------------- */ \
     554    PCRE2_SPTR    input;             /* Pointer to input subject string */ \
     555    PCRE2_SPTR    output;            /* Pointer to output buffer */ \
     556    PCRE2_SIZE    output_offsets[2]; /* Changed portion of the output */ \
     557    PCRE2_SIZE   *ovector;           /* Pointer to current ovector */ \
     558    uint32_t      oveccount;         /* Count of pairs set in ovector */ \
     559    uint32_t      subscount;         /* Substitution number */ \
     560    /* ------------------------------------------------------------------ */ \
     561  } pcre2_substitute_callout_block;
     562  
     563  
     564  /* List the generic forms of all other functions in macros, which will be
     565  expanded for each width below. Start with functions that give general
     566  information. */
     567  
     568  #define PCRE2_GENERAL_INFO_FUNCTIONS \
     569  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION pcre2_config(uint32_t, void *);
     570  
     571  
     572  /* Functions for manipulating contexts. */
     573  
     574  #define PCRE2_GENERAL_CONTEXT_FUNCTIONS \
     575  PCRE2_EXP_DECL pcre2_general_context *PCRE2_CALL_CONVENTION \
     576    pcre2_general_context_copy(pcre2_general_context *); \
     577  PCRE2_EXP_DECL pcre2_general_context *PCRE2_CALL_CONVENTION \
     578    pcre2_general_context_create(void *(*)(PCRE2_SIZE, void *), \
     579      void (*)(void *, void *), void *); \
     580  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     581    pcre2_general_context_free(pcre2_general_context *);
     582  
     583  #define PCRE2_COMPILE_CONTEXT_FUNCTIONS \
     584  PCRE2_EXP_DECL pcre2_compile_context *PCRE2_CALL_CONVENTION \
     585    pcre2_compile_context_copy(pcre2_compile_context *); \
     586  PCRE2_EXP_DECL pcre2_compile_context *PCRE2_CALL_CONVENTION \
     587    pcre2_compile_context_create(pcre2_general_context *);\
     588  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     589    pcre2_compile_context_free(pcre2_compile_context *); \
     590  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     591    pcre2_set_bsr(pcre2_compile_context *, uint32_t); \
     592  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     593    pcre2_set_character_tables(pcre2_compile_context *, const uint8_t *); \
     594  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     595    pcre2_set_compile_extra_options(pcre2_compile_context *, uint32_t); \
     596  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     597    pcre2_set_max_pattern_length(pcre2_compile_context *, PCRE2_SIZE); \
     598  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     599    pcre2_set_newline(pcre2_compile_context *, uint32_t); \
     600  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     601    pcre2_set_parens_nest_limit(pcre2_compile_context *, uint32_t); \
     602  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     603    pcre2_set_compile_recursion_guard(pcre2_compile_context *, \
     604      int (*)(uint32_t, void *), void *);
     605  
     606  #define PCRE2_MATCH_CONTEXT_FUNCTIONS \
     607  PCRE2_EXP_DECL pcre2_match_context *PCRE2_CALL_CONVENTION \
     608    pcre2_match_context_copy(pcre2_match_context *); \
     609  PCRE2_EXP_DECL pcre2_match_context *PCRE2_CALL_CONVENTION \
     610    pcre2_match_context_create(pcre2_general_context *); \
     611  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     612    pcre2_match_context_free(pcre2_match_context *); \
     613  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     614    pcre2_set_callout(pcre2_match_context *, \
     615      int (*)(pcre2_callout_block *, void *), void *); \
     616  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     617    pcre2_set_substitute_callout(pcre2_match_context *, \
     618      int (*)(pcre2_substitute_callout_block *, void *), void *); \
     619  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     620    pcre2_set_depth_limit(pcre2_match_context *, uint32_t); \
     621  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     622    pcre2_set_heap_limit(pcre2_match_context *, uint32_t); \
     623  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     624    pcre2_set_match_limit(pcre2_match_context *, uint32_t); \
     625  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     626    pcre2_set_offset_limit(pcre2_match_context *, PCRE2_SIZE); \
     627  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     628    pcre2_set_recursion_limit(pcre2_match_context *, uint32_t); \
     629  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     630    pcre2_set_recursion_memory_management(pcre2_match_context *, \
     631      void *(*)(PCRE2_SIZE, void *), void (*)(void *, void *), void *);
     632  
     633  #define PCRE2_CONVERT_CONTEXT_FUNCTIONS \
     634  PCRE2_EXP_DECL pcre2_convert_context *PCRE2_CALL_CONVENTION \
     635    pcre2_convert_context_copy(pcre2_convert_context *); \
     636  PCRE2_EXP_DECL pcre2_convert_context *PCRE2_CALL_CONVENTION \
     637    pcre2_convert_context_create(pcre2_general_context *); \
     638  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     639    pcre2_convert_context_free(pcre2_convert_context *); \
     640  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     641    pcre2_set_glob_escape(pcre2_convert_context *, uint32_t); \
     642  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     643    pcre2_set_glob_separator(pcre2_convert_context *, uint32_t);
     644  
     645  
     646  /* Functions concerned with compiling a pattern to PCRE internal code. */
     647  
     648  #define PCRE2_COMPILE_FUNCTIONS \
     649  PCRE2_EXP_DECL pcre2_code *PCRE2_CALL_CONVENTION \
     650    pcre2_compile(PCRE2_SPTR, PCRE2_SIZE, uint32_t, int *, PCRE2_SIZE *, \
     651      pcre2_compile_context *); \
     652  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     653    pcre2_code_free(pcre2_code *); \
     654  PCRE2_EXP_DECL pcre2_code *PCRE2_CALL_CONVENTION \
     655    pcre2_code_copy(const pcre2_code *); \
     656  PCRE2_EXP_DECL pcre2_code *PCRE2_CALL_CONVENTION \
     657    pcre2_code_copy_with_tables(const pcre2_code *);
     658  
     659  
     660  /* Functions that give information about a compiled pattern. */
     661  
     662  #define PCRE2_PATTERN_INFO_FUNCTIONS \
     663  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     664    pcre2_pattern_info(const pcre2_code *, uint32_t, void *); \
     665  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     666    pcre2_callout_enumerate(const pcre2_code *, \
     667      int (*)(pcre2_callout_enumerate_block *, void *), void *);
     668  
     669  
     670  /* Functions for running a match and inspecting the result. */
     671  
     672  #define PCRE2_MATCH_FUNCTIONS \
     673  PCRE2_EXP_DECL pcre2_match_data *PCRE2_CALL_CONVENTION \
     674    pcre2_match_data_create(uint32_t, pcre2_general_context *); \
     675  PCRE2_EXP_DECL pcre2_match_data *PCRE2_CALL_CONVENTION \
     676    pcre2_match_data_create_from_pattern(const pcre2_code *, \
     677      pcre2_general_context *); \
     678  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     679    pcre2_dfa_match(const pcre2_code *, PCRE2_SPTR, PCRE2_SIZE, PCRE2_SIZE, \
     680      uint32_t, pcre2_match_data *, pcre2_match_context *, int *, PCRE2_SIZE); \
     681  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     682    pcre2_match(const pcre2_code *, PCRE2_SPTR, PCRE2_SIZE, PCRE2_SIZE, \
     683      uint32_t, pcre2_match_data *, pcre2_match_context *); \
     684  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     685    pcre2_match_data_free(pcre2_match_data *); \
     686  PCRE2_EXP_DECL PCRE2_SPTR PCRE2_CALL_CONVENTION \
     687    pcre2_get_mark(pcre2_match_data *); \
     688  PCRE2_EXP_DECL PCRE2_SIZE PCRE2_CALL_CONVENTION \
     689    pcre2_get_match_data_size(pcre2_match_data *); \
     690  PCRE2_EXP_DECL uint32_t PCRE2_CALL_CONVENTION \
     691    pcre2_get_ovector_count(pcre2_match_data *); \
     692  PCRE2_EXP_DECL PCRE2_SIZE *PCRE2_CALL_CONVENTION \
     693    pcre2_get_ovector_pointer(pcre2_match_data *); \
     694  PCRE2_EXP_DECL PCRE2_SIZE PCRE2_CALL_CONVENTION \
     695    pcre2_get_startchar(pcre2_match_data *);
     696  
     697  
     698  /* Convenience functions for handling matched substrings. */
     699  
     700  #define PCRE2_SUBSTRING_FUNCTIONS \
     701  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     702    pcre2_substring_copy_byname(pcre2_match_data *, PCRE2_SPTR, PCRE2_UCHAR *, \
     703      PCRE2_SIZE *); \
     704  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     705    pcre2_substring_copy_bynumber(pcre2_match_data *, uint32_t, PCRE2_UCHAR *, \
     706      PCRE2_SIZE *); \
     707  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     708    pcre2_substring_free(PCRE2_UCHAR *); \
     709  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     710    pcre2_substring_get_byname(pcre2_match_data *, PCRE2_SPTR, PCRE2_UCHAR **, \
     711      PCRE2_SIZE *); \
     712  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     713    pcre2_substring_get_bynumber(pcre2_match_data *, uint32_t, PCRE2_UCHAR **, \
     714      PCRE2_SIZE *); \
     715  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     716    pcre2_substring_length_byname(pcre2_match_data *, PCRE2_SPTR, PCRE2_SIZE *); \
     717  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     718    pcre2_substring_length_bynumber(pcre2_match_data *, uint32_t, PCRE2_SIZE *); \
     719  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     720    pcre2_substring_nametable_scan(const pcre2_code *, PCRE2_SPTR, PCRE2_SPTR *, \
     721      PCRE2_SPTR *); \
     722  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     723    pcre2_substring_number_from_name(const pcre2_code *, PCRE2_SPTR); \
     724  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     725    pcre2_substring_list_free(PCRE2_SPTR *); \
     726  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     727    pcre2_substring_list_get(pcre2_match_data *, PCRE2_UCHAR ***, PCRE2_SIZE **);
     728  
     729  /* Functions for serializing / deserializing compiled patterns. */
     730  
     731  #define PCRE2_SERIALIZE_FUNCTIONS \
     732  PCRE2_EXP_DECL int32_t PCRE2_CALL_CONVENTION \
     733    pcre2_serialize_encode(const pcre2_code **, int32_t, uint8_t **, \
     734      PCRE2_SIZE *, pcre2_general_context *); \
     735  PCRE2_EXP_DECL int32_t PCRE2_CALL_CONVENTION \
     736    pcre2_serialize_decode(pcre2_code **, int32_t, const uint8_t *, \
     737      pcre2_general_context *); \
     738  PCRE2_EXP_DECL int32_t PCRE2_CALL_CONVENTION \
     739    pcre2_serialize_get_number_of_codes(const uint8_t *); \
     740  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     741    pcre2_serialize_free(uint8_t *);
     742  
     743  
     744  /* Convenience function for match + substitute. */
     745  
     746  #define PCRE2_SUBSTITUTE_FUNCTION \
     747  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     748    pcre2_substitute(const pcre2_code *, PCRE2_SPTR, PCRE2_SIZE, PCRE2_SIZE, \
     749      uint32_t, pcre2_match_data *, pcre2_match_context *, PCRE2_SPTR, \
     750      PCRE2_SIZE, PCRE2_UCHAR *, PCRE2_SIZE *);
     751  
     752  
     753  /* Functions for converting pattern source strings. */
     754  
     755  #define PCRE2_CONVERT_FUNCTIONS \
     756  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     757    pcre2_pattern_convert(PCRE2_SPTR, PCRE2_SIZE, uint32_t, PCRE2_UCHAR **, \
     758      PCRE2_SIZE *, pcre2_convert_context *); \
     759  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     760    pcre2_converted_pattern_free(PCRE2_UCHAR *);
     761  
     762  
     763  /* Functions for JIT processing */
     764  
     765  #define PCRE2_JIT_FUNCTIONS \
     766  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     767    pcre2_jit_compile(pcre2_code *, uint32_t); \
     768  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     769    pcre2_jit_match(const pcre2_code *, PCRE2_SPTR, PCRE2_SIZE, PCRE2_SIZE, \
     770      uint32_t, pcre2_match_data *, pcre2_match_context *); \
     771  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     772    pcre2_jit_free_unused_memory(pcre2_general_context *); \
     773  PCRE2_EXP_DECL pcre2_jit_stack *PCRE2_CALL_CONVENTION \
     774    pcre2_jit_stack_create(PCRE2_SIZE, PCRE2_SIZE, pcre2_general_context *); \
     775  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     776    pcre2_jit_stack_assign(pcre2_match_context *, pcre2_jit_callback, void *); \
     777  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     778    pcre2_jit_stack_free(pcre2_jit_stack *);
     779  
     780  
     781  /* Other miscellaneous functions. */
     782  
     783  #define PCRE2_OTHER_FUNCTIONS \
     784  PCRE2_EXP_DECL int PCRE2_CALL_CONVENTION \
     785    pcre2_get_error_message(int, PCRE2_UCHAR *, PCRE2_SIZE); \
     786  PCRE2_EXP_DECL const uint8_t *PCRE2_CALL_CONVENTION \
     787    pcre2_maketables(pcre2_general_context *); \
     788  PCRE2_EXP_DECL void PCRE2_CALL_CONVENTION \
     789    pcre2_maketables_free(pcre2_general_context *, const uint8_t *);
     790  
     791  /* Define macros that generate width-specific names from generic versions. The
     792  three-level macro scheme is necessary to get the macros expanded when we want
     793  them to be. First we get the width from PCRE2_LOCAL_WIDTH, which is used for
     794  generating three versions of everything below. After that, PCRE2_SUFFIX will be
     795  re-defined to use PCRE2_CODE_UNIT_WIDTH, for use when macros such as
     796  pcre2_compile are called by application code. */
     797  
     798  #define PCRE2_JOIN(a,b) a ## b
     799  #define PCRE2_GLUE(a,b) PCRE2_JOIN(a,b)
     800  #define PCRE2_SUFFIX(a) PCRE2_GLUE(a,PCRE2_LOCAL_WIDTH)
     801  
     802  
     803  /* Data types */
     804  
     805  #define PCRE2_UCHAR                 PCRE2_SUFFIX(PCRE2_UCHAR)
     806  #define PCRE2_SPTR                  PCRE2_SUFFIX(PCRE2_SPTR)
     807  
     808  #define pcre2_code                  PCRE2_SUFFIX(pcre2_code_)
     809  #define pcre2_jit_callback          PCRE2_SUFFIX(pcre2_jit_callback_)
     810  #define pcre2_jit_stack             PCRE2_SUFFIX(pcre2_jit_stack_)
     811  
     812  #define pcre2_real_code             PCRE2_SUFFIX(pcre2_real_code_)
     813  #define pcre2_real_general_context  PCRE2_SUFFIX(pcre2_real_general_context_)
     814  #define pcre2_real_compile_context  PCRE2_SUFFIX(pcre2_real_compile_context_)
     815  #define pcre2_real_convert_context  PCRE2_SUFFIX(pcre2_real_convert_context_)
     816  #define pcre2_real_match_context    PCRE2_SUFFIX(pcre2_real_match_context_)
     817  #define pcre2_real_jit_stack        PCRE2_SUFFIX(pcre2_real_jit_stack_)
     818  #define pcre2_real_match_data       PCRE2_SUFFIX(pcre2_real_match_data_)
     819  
     820  
     821  /* Data blocks */
     822  
     823  #define pcre2_callout_block            PCRE2_SUFFIX(pcre2_callout_block_)
     824  #define pcre2_callout_enumerate_block  PCRE2_SUFFIX(pcre2_callout_enumerate_block_)
     825  #define pcre2_substitute_callout_block PCRE2_SUFFIX(pcre2_substitute_callout_block_)
     826  #define pcre2_general_context          PCRE2_SUFFIX(pcre2_general_context_)
     827  #define pcre2_compile_context          PCRE2_SUFFIX(pcre2_compile_context_)
     828  #define pcre2_convert_context          PCRE2_SUFFIX(pcre2_convert_context_)
     829  #define pcre2_match_context            PCRE2_SUFFIX(pcre2_match_context_)
     830  #define pcre2_match_data               PCRE2_SUFFIX(pcre2_match_data_)
     831  
     832  
     833  /* Functions: the complete list in alphabetical order */
     834  
     835  #define pcre2_callout_enumerate               PCRE2_SUFFIX(pcre2_callout_enumerate_)
     836  #define pcre2_code_copy                       PCRE2_SUFFIX(pcre2_code_copy_)
     837  #define pcre2_code_copy_with_tables           PCRE2_SUFFIX(pcre2_code_copy_with_tables_)
     838  #define pcre2_code_free                       PCRE2_SUFFIX(pcre2_code_free_)
     839  #define pcre2_compile                         PCRE2_SUFFIX(pcre2_compile_)
     840  #define pcre2_compile_context_copy            PCRE2_SUFFIX(pcre2_compile_context_copy_)
     841  #define pcre2_compile_context_create          PCRE2_SUFFIX(pcre2_compile_context_create_)
     842  #define pcre2_compile_context_free            PCRE2_SUFFIX(pcre2_compile_context_free_)
     843  #define pcre2_config                          PCRE2_SUFFIX(pcre2_config_)
     844  #define pcre2_convert_context_copy            PCRE2_SUFFIX(pcre2_convert_context_copy_)
     845  #define pcre2_convert_context_create          PCRE2_SUFFIX(pcre2_convert_context_create_)
     846  #define pcre2_convert_context_free            PCRE2_SUFFIX(pcre2_convert_context_free_)
     847  #define pcre2_converted_pattern_free          PCRE2_SUFFIX(pcre2_converted_pattern_free_)
     848  #define pcre2_dfa_match                       PCRE2_SUFFIX(pcre2_dfa_match_)
     849  #define pcre2_general_context_copy            PCRE2_SUFFIX(pcre2_general_context_copy_)
     850  #define pcre2_general_context_create          PCRE2_SUFFIX(pcre2_general_context_create_)
     851  #define pcre2_general_context_free            PCRE2_SUFFIX(pcre2_general_context_free_)
     852  #define pcre2_get_error_message               PCRE2_SUFFIX(pcre2_get_error_message_)
     853  #define pcre2_get_mark                        PCRE2_SUFFIX(pcre2_get_mark_)
     854  #define pcre2_get_match_data_size             PCRE2_SUFFIX(pcre2_get_match_data_size_)
     855  #define pcre2_get_ovector_pointer             PCRE2_SUFFIX(pcre2_get_ovector_pointer_)
     856  #define pcre2_get_ovector_count               PCRE2_SUFFIX(pcre2_get_ovector_count_)
     857  #define pcre2_get_startchar                   PCRE2_SUFFIX(pcre2_get_startchar_)
     858  #define pcre2_jit_compile                     PCRE2_SUFFIX(pcre2_jit_compile_)
     859  #define pcre2_jit_match                       PCRE2_SUFFIX(pcre2_jit_match_)
     860  #define pcre2_jit_free_unused_memory          PCRE2_SUFFIX(pcre2_jit_free_unused_memory_)
     861  #define pcre2_jit_stack_assign                PCRE2_SUFFIX(pcre2_jit_stack_assign_)
     862  #define pcre2_jit_stack_create                PCRE2_SUFFIX(pcre2_jit_stack_create_)
     863  #define pcre2_jit_stack_free                  PCRE2_SUFFIX(pcre2_jit_stack_free_)
     864  #define pcre2_maketables                      PCRE2_SUFFIX(pcre2_maketables_)
     865  #define pcre2_maketables_free                 PCRE2_SUFFIX(pcre2_maketables_free_)
     866  #define pcre2_match                           PCRE2_SUFFIX(pcre2_match_)
     867  #define pcre2_match_context_copy              PCRE2_SUFFIX(pcre2_match_context_copy_)
     868  #define pcre2_match_context_create            PCRE2_SUFFIX(pcre2_match_context_create_)
     869  #define pcre2_match_context_free              PCRE2_SUFFIX(pcre2_match_context_free_)
     870  #define pcre2_match_data_create               PCRE2_SUFFIX(pcre2_match_data_create_)
     871  #define pcre2_match_data_create_from_pattern  PCRE2_SUFFIX(pcre2_match_data_create_from_pattern_)
     872  #define pcre2_match_data_free                 PCRE2_SUFFIX(pcre2_match_data_free_)
     873  #define pcre2_pattern_convert                 PCRE2_SUFFIX(pcre2_pattern_convert_)
     874  #define pcre2_pattern_info                    PCRE2_SUFFIX(pcre2_pattern_info_)
     875  #define pcre2_serialize_decode                PCRE2_SUFFIX(pcre2_serialize_decode_)
     876  #define pcre2_serialize_encode                PCRE2_SUFFIX(pcre2_serialize_encode_)
     877  #define pcre2_serialize_free                  PCRE2_SUFFIX(pcre2_serialize_free_)
     878  #define pcre2_serialize_get_number_of_codes   PCRE2_SUFFIX(pcre2_serialize_get_number_of_codes_)
     879  #define pcre2_set_bsr                         PCRE2_SUFFIX(pcre2_set_bsr_)
     880  #define pcre2_set_callout                     PCRE2_SUFFIX(pcre2_set_callout_)
     881  #define pcre2_set_character_tables            PCRE2_SUFFIX(pcre2_set_character_tables_)
     882  #define pcre2_set_compile_extra_options       PCRE2_SUFFIX(pcre2_set_compile_extra_options_)
     883  #define pcre2_set_compile_recursion_guard     PCRE2_SUFFIX(pcre2_set_compile_recursion_guard_)
     884  #define pcre2_set_depth_limit                 PCRE2_SUFFIX(pcre2_set_depth_limit_)
     885  #define pcre2_set_glob_escape                 PCRE2_SUFFIX(pcre2_set_glob_escape_)
     886  #define pcre2_set_glob_separator              PCRE2_SUFFIX(pcre2_set_glob_separator_)
     887  #define pcre2_set_heap_limit                  PCRE2_SUFFIX(pcre2_set_heap_limit_)
     888  #define pcre2_set_match_limit                 PCRE2_SUFFIX(pcre2_set_match_limit_)
     889  #define pcre2_set_max_pattern_length          PCRE2_SUFFIX(pcre2_set_max_pattern_length_)
     890  #define pcre2_set_newline                     PCRE2_SUFFIX(pcre2_set_newline_)
     891  #define pcre2_set_parens_nest_limit           PCRE2_SUFFIX(pcre2_set_parens_nest_limit_)
     892  #define pcre2_set_offset_limit                PCRE2_SUFFIX(pcre2_set_offset_limit_)
     893  #define pcre2_set_substitute_callout          PCRE2_SUFFIX(pcre2_set_substitute_callout_)
     894  #define pcre2_substitute                      PCRE2_SUFFIX(pcre2_substitute_)
     895  #define pcre2_substring_copy_byname           PCRE2_SUFFIX(pcre2_substring_copy_byname_)
     896  #define pcre2_substring_copy_bynumber         PCRE2_SUFFIX(pcre2_substring_copy_bynumber_)
     897  #define pcre2_substring_free                  PCRE2_SUFFIX(pcre2_substring_free_)
     898  #define pcre2_substring_get_byname            PCRE2_SUFFIX(pcre2_substring_get_byname_)
     899  #define pcre2_substring_get_bynumber          PCRE2_SUFFIX(pcre2_substring_get_bynumber_)
     900  #define pcre2_substring_length_byname         PCRE2_SUFFIX(pcre2_substring_length_byname_)
     901  #define pcre2_substring_length_bynumber       PCRE2_SUFFIX(pcre2_substring_length_bynumber_)
     902  #define pcre2_substring_list_get              PCRE2_SUFFIX(pcre2_substring_list_get_)
     903  #define pcre2_substring_list_free             PCRE2_SUFFIX(pcre2_substring_list_free_)
     904  #define pcre2_substring_nametable_scan        PCRE2_SUFFIX(pcre2_substring_nametable_scan_)
     905  #define pcre2_substring_number_from_name      PCRE2_SUFFIX(pcre2_substring_number_from_name_)
     906  
     907  /* Keep this old function name for backwards compatibility */
     908  #define pcre2_set_recursion_limit PCRE2_SUFFIX(pcre2_set_recursion_limit_)
     909  
     910  /* Keep this obsolete function for backwards compatibility: it is now a noop. */
     911  #define pcre2_set_recursion_memory_management PCRE2_SUFFIX(pcre2_set_recursion_memory_management_)
     912  
     913  /* Now generate all three sets of width-specific structures and function
     914  prototypes. */
     915  
     916  #define PCRE2_TYPES_STRUCTURES_AND_FUNCTIONS \
     917  PCRE2_TYPES_LIST \
     918  PCRE2_STRUCTURE_LIST \
     919  PCRE2_GENERAL_INFO_FUNCTIONS \
     920  PCRE2_GENERAL_CONTEXT_FUNCTIONS \
     921  PCRE2_COMPILE_CONTEXT_FUNCTIONS \
     922  PCRE2_CONVERT_CONTEXT_FUNCTIONS \
     923  PCRE2_CONVERT_FUNCTIONS \
     924  PCRE2_MATCH_CONTEXT_FUNCTIONS \
     925  PCRE2_COMPILE_FUNCTIONS \
     926  PCRE2_PATTERN_INFO_FUNCTIONS \
     927  PCRE2_MATCH_FUNCTIONS \
     928  PCRE2_SUBSTRING_FUNCTIONS \
     929  PCRE2_SERIALIZE_FUNCTIONS \
     930  PCRE2_SUBSTITUTE_FUNCTION \
     931  PCRE2_JIT_FUNCTIONS \
     932  PCRE2_OTHER_FUNCTIONS
     933  
     934  #define PCRE2_LOCAL_WIDTH 8
     935  PCRE2_TYPES_STRUCTURES_AND_FUNCTIONS
     936  #undef PCRE2_LOCAL_WIDTH
     937  
     938  #define PCRE2_LOCAL_WIDTH 16
     939  PCRE2_TYPES_STRUCTURES_AND_FUNCTIONS
     940  #undef PCRE2_LOCAL_WIDTH
     941  
     942  #define PCRE2_LOCAL_WIDTH 32
     943  PCRE2_TYPES_STRUCTURES_AND_FUNCTIONS
     944  #undef PCRE2_LOCAL_WIDTH
     945  
     946  /* Undefine the list macros; they are no longer needed. */
     947  
     948  #undef PCRE2_TYPES_LIST
     949  #undef PCRE2_STRUCTURE_LIST
     950  #undef PCRE2_GENERAL_INFO_FUNCTIONS
     951  #undef PCRE2_GENERAL_CONTEXT_FUNCTIONS
     952  #undef PCRE2_COMPILE_CONTEXT_FUNCTIONS
     953  #undef PCRE2_CONVERT_CONTEXT_FUNCTIONS
     954  #undef PCRE2_MATCH_CONTEXT_FUNCTIONS
     955  #undef PCRE2_COMPILE_FUNCTIONS
     956  #undef PCRE2_PATTERN_INFO_FUNCTIONS
     957  #undef PCRE2_MATCH_FUNCTIONS
     958  #undef PCRE2_SUBSTRING_FUNCTIONS
     959  #undef PCRE2_SERIALIZE_FUNCTIONS
     960  #undef PCRE2_SUBSTITUTE_FUNCTION
     961  #undef PCRE2_JIT_FUNCTIONS
     962  #undef PCRE2_OTHER_FUNCTIONS
     963  #undef PCRE2_TYPES_STRUCTURES_AND_FUNCTIONS
     964  
     965  /* PCRE2_CODE_UNIT_WIDTH must be defined. If it is 8, 16, or 32, redefine
     966  PCRE2_SUFFIX to use it. If it is 0, undefine the other macros and make
     967  PCRE2_SUFFIX a no-op. Otherwise, generate an error. */
     968  
     969  #undef PCRE2_SUFFIX
     970  #ifndef PCRE2_CODE_UNIT_WIDTH
     971  #error PCRE2_CODE_UNIT_WIDTH must be defined before including pcre2.h.
     972  #error Use 8, 16, or 32; or 0 for a multi-width application.
     973  #else  /* PCRE2_CODE_UNIT_WIDTH is defined */
     974  #if PCRE2_CODE_UNIT_WIDTH == 8 || \
     975      PCRE2_CODE_UNIT_WIDTH == 16 || \
     976      PCRE2_CODE_UNIT_WIDTH == 32
     977  #define PCRE2_SUFFIX(a) PCRE2_GLUE(a, PCRE2_CODE_UNIT_WIDTH)
     978  #elif PCRE2_CODE_UNIT_WIDTH == 0
     979  #undef PCRE2_JOIN
     980  #undef PCRE2_GLUE
     981  #define PCRE2_SUFFIX(a) a
     982  #else
     983  #error PCRE2_CODE_UNIT_WIDTH must be 0, 8, 16, or 32.
     984  #endif
     985  #endif  /* PCRE2_CODE_UNIT_WIDTH is defined */
     986  
     987  #ifdef __cplusplus
     988  }  /* extern "C" */
     989  #endif
     990  
     991  #endif  /* PCRE2_H_IDEMPOTENT_GUARD */
     992  
     993  /* End of pcre2.h */