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authorAndrew M. Kuchling <amk@amk.ca>2004-06-02 17:44:36 (GMT)
committerAndrew M. Kuchling <amk@amk.ca>2004-06-02 17:44:36 (GMT)
commit5ededdd6856d30d35a62fe2477b97fcd8ca864bd (patch)
tree6b2414d2bbc6b2a97f1632a2186bbe129fef00eb /Modules/pcre-int.h
parentf7e836e6dda738bdbc9aa0447fc245ec40abd9a7 (diff)
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Remove pcre module
Diffstat (limited to 'Modules/pcre-int.h')
-rw-r--r--Modules/pcre-int.h295
1 files changed, 0 insertions, 295 deletions
diff --git a/Modules/pcre-int.h b/Modules/pcre-int.h
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--- a/Modules/pcre-int.h
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-/*************************************************
-* Perl-Compatible Regular Expressions *
-*************************************************/
-
-
-#define PCRE_VERSION "1.09 28-Apr-1998"
-
-
-/* This is a library of functions to support regular expressions whose syntax
-and semantics are as close as possible to those of the Perl 5 language. See
-the file Tech.Notes for some information on the internals.
-
-Written by: Philip Hazel <ph10@cam.ac.uk>
-
- Copyright (c) 1998 University of Cambridge
-
------------------------------------------------------------------------------
-Permission is granted to anyone to use this software for any purpose on any
-computer system, and to redistribute it freely, subject to the following
-restrictions:
-
-1. This software is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-2. The origin of this software must not be misrepresented, either by
- explicit claim or by omission.
-
-3. Altered versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
------------------------------------------------------------------------------
-*/
-
-/* This header contains definitions that are shared between the different
-modules, but which are not relevant to the outside. */
-
-
-/* Standard C headers plus the external interface definition */
-
-#include <ctype.h>
-#include <limits.h>
-#include <setjmp.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "pcre.h"
-
-/* In case there is no definition of offsetof() provided - though any proper
-Standard C system should have one. */
-
-#ifndef offsetof
-#define offsetof(p_type,field) ((size_t)&(((p_type *)0)->field))
-#endif
-
-/* Private options flags start at the most significant end of the two bytes.
-The public options defined in pcre.h start at the least significant end. Make
-sure they don't overlap! */
-
-#define PCRE_FIRSTSET 0x8000 /* first_char is set */
-#define PCRE_STARTLINE 0x4000 /* start after \n for multiline */
-#define PCRE_COMPILED_CASELESS 0x2000 /* like it says */
-
-/* Options for the "extra" block produced by pcre_study(). */
-
-#define PCRE_STUDY_CASELESS 0x01 /* study was caseless */
-#define PCRE_STUDY_MAPPED 0x02 /* a map of starting chars exists */
-
-/* Masks for identifying the public options: all permitted at compile time,
-only some permitted at run or study time. */
-
-#ifdef FOR_PYTHON
-#define PUBLIC_OPTIONS \
- (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \
- PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY| \
- PCRE_LOCALE)
-#else
-#define PUBLIC_OPTIONS \
- (PCRE_CASELESS|PCRE_EXTENDED|PCRE_ANCHORED|PCRE_MULTILINE| \
- PCRE_DOTALL|PCRE_DOLLAR_ENDONLY|PCRE_EXTRA|PCRE_UNGREEDY)
-#endif
-#define PUBLIC_EXEC_OPTIONS \
- (PCRE_CASELESS|PCRE_ANCHORED|PCRE_MULTILINE|PCRE_NOTBOL|PCRE_NOTEOL| \
- PCRE_DOTALL|PCRE_DOLLAR_ENDONLY)
-
-#define PUBLIC_STUDY_OPTIONS (PCRE_CASELESS)
-
-/* Magic number to provide a small check against being handed junk. */
-
-#define MAGIC_NUMBER 0x50435245 /* 'PCRE' */
-
-/* Miscellaneous definitions */
-
-typedef int BOOL;
-
-#define FALSE 0
-#define TRUE 1
-
-/* 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
-their negation. Also, they must appear in the same order as in the opcode
-definitions below, up to ESC_Z. The final one must be ESC_REF as subsequent
-values are used for \1, \2, \3, etc. There is a test in the code for an escape
-greater than ESC_b and less than ESC_X to detect the types that may be
-repeated. If any new escapes are put in-between that don't consume a character,
-that code will have to change. */
-
-enum { ESC_A = 1, ESC_B, ESC_b, ESC_D, ESC_d, ESC_S, ESC_s, ESC_W, ESC_w,
-
- /* These are not Perl escapes, so can't appear in the */
- ESC_X, /* simple table-lookup because they must be conditional */
- /* on PCRE_EXTRA. */
- ESC_Z,
- ESC_REF };
-
-/* Opcode table: OP_BRA must be last, as all values >= it are used for brackets
-that extract substrings. 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. */
-
-enum {
- OP_END, /* End of pattern */
-
- /* Values corresponding to backslashed metacharacters */
-
- OP_SOD, /* Start of data: \A */
- OP_NOT_WORD_BOUNDARY, /* \B */
- OP_WORD_BOUNDARY, /* \b */
- OP_NOT_DIGIT, /* \D */
- OP_DIGIT, /* \d */
- OP_NOT_WHITESPACE, /* \S */
- OP_WHITESPACE, /* \s */
- OP_NOT_WORDCHAR, /* \W */
- OP_WORDCHAR, /* \w */
- OP_CUT, /* The analogue of Prolog's "cut" operation (extension) */
- OP_EOD, /* End of data: \Z. */
-
- OP_NOT_WORD_BOUNDARY_L, /* localized \B */
- OP_WORD_BOUNDARY_L, /* localized \b */
- OP_NOT_WORDCHAR_L, /* localized \W */
- OP_WORDCHAR_L, /* localized \w */
-
- OP_CIRC, /* Start of line - varies with multiline switch */
- OP_DOLL, /* End of line - varies with multiline switch */
- OP_ANY, /* Match any character */
- OP_CHARS, /* Match string of characters */
- OP_NOT, /* Match anything but the following char */
-
- OP_STAR, /* The maximizing and minimizing versions of */
- OP_MINSTAR, /* all these opcodes must come in pairs, with */
- OP_PLUS, /* the minimizing one second. */
- OP_MINPLUS, /* This first set applies to single characters */
- OP_QUERY,
- OP_MINQUERY,
- OP_UPTO, /* From 0 to n matches */
- OP_MINUPTO,
- OP_EXACT, /* Exactly n matches */
-
- OP_NOTSTAR, /* The maximizing and minimizing versions of */
- OP_NOTMINSTAR, /* all these opcodes must come in pairs, with */
- OP_NOTPLUS, /* the minimizing one second. */
- OP_NOTMINPLUS, /* This first set applies to "not" single characters */
- OP_NOTQUERY,
- OP_NOTMINQUERY,
- OP_NOTUPTO, /* From 0 to n matches */
- OP_NOTMINUPTO,
- OP_NOTEXACT, /* Exactly n matches */
-
- OP_TYPESTAR, /* The maximizing and minimizing versions of */
- OP_TYPEMINSTAR, /* all these opcodes must come in pairs, with */
- OP_TYPEPLUS, /* the minimizing one second. These codes must */
- OP_TYPEMINPLUS, /* be in exactly the same order as those above. */
- OP_TYPEQUERY, /* This set applies to character types such as \d */
- OP_TYPEMINQUERY,
- OP_TYPEUPTO, /* From 0 to n matches */
- OP_TYPEMINUPTO,
- OP_TYPEEXACT, /* Exactly n matches */
-
- OP_CRSTAR, /* The maximizing and minimizing versions of */
- OP_CRMINSTAR, /* all these opcodes must come in pairs, with */
- OP_CRPLUS, /* the minimizing one second. These codes must */
- OP_CRMINPLUS, /* be in exactly the same order as those above. */
- OP_CRQUERY, /* These are for character classes and back refs */
- OP_CRMINQUERY,
- OP_CRRANGE, /* These are different to the three seta above. */
- OP_CRMINRANGE,
-
- OP_CLASS, /* Match a character class */
- OP_NEGCLASS, /* Match a character class, specified negatively */
- OP_CLASS_L, /* Match a character class */
- OP_REF, /* Match a back reference */
-
- OP_ALT, /* Start of alternation */
- OP_KET, /* End of group that doesn't have an unbounded repeat */
- OP_KETRMAX, /* These two must remain together and in this */
- OP_KETRMIN, /* order. They are for groups the repeat for ever. */
-
- OP_ASSERT,
- OP_ASSERT_NOT,
- OP_ONCE, /* Once matched, don't back up into the subpattern */
-
- OP_BRAZERO, /* These two must remain together and in this */
- OP_BRAMINZERO, /* order. */
-
- OP_BRA /* This and greater values are used for brackets that
- extract substrings. */
-};
-
-/* The highest extraction number. This is limited by the number of opcodes
-left after OP_BRA, i.e. 255 - OP_BRA. We actually set it somewhat lower. */
-
-#define EXTRACT_MAX 99
-
-/* The texts of compile-time error messages are defined as macros here so that
-they can be accessed by the POSIX wrapper and converted into error codes. Yes,
-I could have used error codes in the first place, but didn't feel like changing
-just to accommodate the POSIX wrapper. */
-
-#define ERR1 "\\ at end of pattern"
-#define ERR2 "\\c at end of pattern"
-#define ERR3 "unrecognized character follows \\"
-#define ERR4 "numbers out of order in {} quantifier"
-#define ERR5 "number too big in {} quantifier"
-#define ERR6 "missing terminating ] for character class"
-#define ERR7 "invalid escape sequence in character class"
-#define ERR8 "range out of order in character class"
-#define ERR9 "nothing to repeat"
-#define ERR10 "operand of unlimited repeat could match the empty string"
-#define ERR11 "internal error: unexpected repeat"
-#define ERR12 "unrecognized character after (?"
-#define ERR13 "too many capturing parenthesized sub-patterns"
-#define ERR14 "missing )"
-#define ERR15 "back reference to non-existent subpattern"
-#define ERR16 "erroffset passed as NULL"
-#define ERR17 "unknown option bit(s) set"
-#define ERR18 "missing ) after comment"
-#define ERR19 "too many sets of parentheses"
-#define ERR20 "regular expression too large"
-#define ERR21 "failed to get memory"
-#define ERR22 "unmatched brackets"
-#define ERR23 "internal error: code overflow"
-
-/* All character handling must be done as unsigned characters. Otherwise there
-are problems with top-bit-set characters and functions such as isspace().
-However, we leave the interface to the outside world as char *, because that
-should make things easier for callers. We define a short type for unsigned char
-to save lots of typing. I tried "uchar", but it causes problems on Digital
-Unix, where it is defined in sys/types, so use "uschar" instead. */
-
-typedef unsigned char uschar;
-
-/* The real format of the start of the pcre block; the actual code vector
-runs on as long as necessary after the end. */
-
-typedef struct real_pcre {
- unsigned int magic_number;
- unsigned short int options;
- unsigned char top_bracket;
- unsigned char top_backref;
- unsigned char first_char;
- unsigned char code[1];
-} real_pcre;
-
-/* The real format of the extra block returned by pcre_study(). */
-
-typedef struct real_pcre_extra {
- unsigned char options;
- unsigned char start_bits[32];
-} real_pcre_extra;
-
-/* Global tables from chartables.c */
-
-extern uschar pcre_lcc[];
-extern uschar pcre_fcc[];
-extern uschar pcre_cbits[];
-extern uschar pcre_ctypes[];
-
-/* Bit definitions for entries in pcre_ctypes[]. */
-
-#define ctype_space 0x01
-#define ctype_letter 0x02
-#define ctype_digit 0x04
-#define ctype_xdigit 0x08
-#define ctype_word 0x10 /* alphameric or '_' */
-#define ctype_odigit 0x20 /* octal digit */
-#define ctype_meta 0x80 /* regexp meta char or zero (end pattern) */
-
-/* Offsets for the bitmap tables */
-
-#define cbit_digit 0
-#define cbit_letter 32
-#define cbit_word 64
-#define cbit_space 96
-#define cbit_length 128 /* Length of the cbits table */
-
-/* End of internal.h */