+++ /dev/null
-/* -*- buffer-read-only: t -*- vi: set ro: */
-/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
-/* Extended regular expression matching and search library.
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
- Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program 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. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifndef _REGEX_INTERNAL_H
-#define _REGEX_INTERNAL_H 1
-
-#include <assert.h>
-#include <ctype.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifdef _LIBC
-# include <langinfo.h>
-#else
-# include "localcharset.h"
-#endif
-#if defined HAVE_LOCALE_H || defined _LIBC
-# include <locale.h>
-#endif
-
-#include <wchar.h>
-#include <wctype.h>
-#include <stdint.h>
-#if defined _LIBC
-# include <bits/libc-lock.h>
-#else
-# define __libc_lock_init(NAME) do { } while (0)
-# define __libc_lock_lock(NAME) do { } while (0)
-# define __libc_lock_unlock(NAME) do { } while (0)
-#endif
-
-/* In case that the system doesn't have isblank(). */
-#if !defined _LIBC && ! (defined isblank || (HAVE_ISBLANK && HAVE_DECL_ISBLANK))
-# define isblank(ch) ((ch) == ' ' || (ch) == '\t')
-#endif
-
-#ifdef _LIBC
-# ifndef _RE_DEFINE_LOCALE_FUNCTIONS
-# define _RE_DEFINE_LOCALE_FUNCTIONS 1
-# include <locale/localeinfo.h>
-# include <locale/elem-hash.h>
-# include <locale/coll-lookup.h>
-# endif
-#endif
-
-/* This is for other GNU distributions with internationalized messages. */
-#if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
-# include <libintl.h>
-# ifdef _LIBC
-# undef gettext
-# define gettext(msgid) \
- INTUSE(__dcgettext) (_libc_intl_domainname, msgid, LC_MESSAGES)
-# endif
-#else
-# define gettext(msgid) (msgid)
-#endif
-
-#ifndef gettext_noop
-/* This define is so xgettext can find the internationalizable
- strings. */
-# define gettext_noop(String) String
-#endif
-
-/* For loser systems without the definition. */
-#ifndef SIZE_MAX
-# define SIZE_MAX ((size_t) -1)
-#endif
-
-#if (defined MB_CUR_MAX && HAVE_LOCALE_H && HAVE_WCTYPE_H && HAVE_ISWCTYPE && HAVE_WCSCOLL) || _LIBC
-# define RE_ENABLE_I18N
-#endif
-
-#if __GNUC__ >= 3
-# define BE(expr, val) __builtin_expect (expr, val)
-#else
-# define BE(expr, val) (expr)
-# ifdef _LIBC
-# define inline
-# endif
-#endif
-
-/* Number of ASCII characters. */
-#define ASCII_CHARS 0x80
-
-/* Number of single byte characters. */
-#define SBC_MAX (UCHAR_MAX + 1)
-
-#define COLL_ELEM_LEN_MAX 8
-
-/* The character which represents newline. */
-#define NEWLINE_CHAR '\n'
-#define WIDE_NEWLINE_CHAR L'\n'
-
-/* Rename to standard API for using out of glibc. */
-#ifndef _LIBC
-# define __wctype wctype
-# define __iswctype iswctype
-# define __btowc btowc
-# define __wcrtomb wcrtomb
-# define __mbrtowc mbrtowc
-# define __regfree regfree
-# define attribute_hidden
-#endif /* not _LIBC */
-
-#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
-# define __attribute(arg) __attribute__ (arg)
-#else
-# define __attribute(arg)
-#endif
-
-typedef __re_idx_t Idx;
-
-/* Special return value for failure to match. */
-#define REG_MISSING ((Idx) -1)
-
-/* Special return value for internal error. */
-#define REG_ERROR ((Idx) -2)
-
-/* Test whether N is a valid index, and is not one of the above. */
-#ifdef _REGEX_LARGE_OFFSETS
-# define REG_VALID_INDEX(n) ((Idx) (n) < REG_ERROR)
-#else
-# define REG_VALID_INDEX(n) (0 <= (n))
-#endif
-
-/* Test whether N is a valid nonzero index. */
-#ifdef _REGEX_LARGE_OFFSETS
-# define REG_VALID_NONZERO_INDEX(n) ((Idx) ((n) - 1) < (Idx) (REG_ERROR - 1))
-#else
-# define REG_VALID_NONZERO_INDEX(n) (0 < (n))
-#endif
-
-/* A hash value, suitable for computing hash tables. */
-typedef __re_size_t re_hashval_t;
-
-/* An integer used to represent a set of bits. It must be unsigned,
- and must be at least as wide as unsigned int. */
-typedef unsigned long int bitset_word_t;
-/* All bits set in a bitset_word_t. */
-#define BITSET_WORD_MAX ULONG_MAX
-
-/* Number of bits in a bitset_word_t. For portability to hosts with
- padding bits, do not use '(sizeof (bitset_word_t) * CHAR_BIT)';
- instead, deduce it directly from BITSET_WORD_MAX. Avoid
- greater-than-32-bit integers and unconditional shifts by more than
- 31 bits, as they're not portable. */
-#if BITSET_WORD_MAX == 0xffffffffUL
-# define BITSET_WORD_BITS 32
-#elif BITSET_WORD_MAX >> 31 >> 4 == 1
-# define BITSET_WORD_BITS 36
-#elif BITSET_WORD_MAX >> 31 >> 16 == 1
-# define BITSET_WORD_BITS 48
-#elif BITSET_WORD_MAX >> 31 >> 28 == 1
-# define BITSET_WORD_BITS 60
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 1 == 1
-# define BITSET_WORD_BITS 64
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 9 == 1
-# define BITSET_WORD_BITS 72
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 31 >> 31 >> 3 == 1
-# define BITSET_WORD_BITS 128
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 7 == 1
-# define BITSET_WORD_BITS 256
-#elif BITSET_WORD_MAX >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 7 > 1
-# define BITSET_WORD_BITS 257 /* any value > SBC_MAX will do here */
-# if BITSET_WORD_BITS <= SBC_MAX
-# error "Invalid SBC_MAX"
-# endif
-#else
-# error "Add case for new bitset_word_t size"
-#endif
-
-/* Number of bitset_word_t values in a bitset_t. */
-#define BITSET_WORDS ((SBC_MAX + BITSET_WORD_BITS - 1) / BITSET_WORD_BITS)
-
-typedef bitset_word_t bitset_t[BITSET_WORDS];
-typedef bitset_word_t *re_bitset_ptr_t;
-typedef const bitset_word_t *re_const_bitset_ptr_t;
-
-#define PREV_WORD_CONSTRAINT 0x0001
-#define PREV_NOTWORD_CONSTRAINT 0x0002
-#define NEXT_WORD_CONSTRAINT 0x0004
-#define NEXT_NOTWORD_CONSTRAINT 0x0008
-#define PREV_NEWLINE_CONSTRAINT 0x0010
-#define NEXT_NEWLINE_CONSTRAINT 0x0020
-#define PREV_BEGBUF_CONSTRAINT 0x0040
-#define NEXT_ENDBUF_CONSTRAINT 0x0080
-#define WORD_DELIM_CONSTRAINT 0x0100
-#define NOT_WORD_DELIM_CONSTRAINT 0x0200
-
-typedef enum
-{
- INSIDE_WORD = PREV_WORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
- WORD_FIRST = PREV_NOTWORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
- WORD_LAST = PREV_WORD_CONSTRAINT | NEXT_NOTWORD_CONSTRAINT,
- INSIDE_NOTWORD = PREV_NOTWORD_CONSTRAINT | NEXT_NOTWORD_CONSTRAINT,
- LINE_FIRST = PREV_NEWLINE_CONSTRAINT,
- LINE_LAST = NEXT_NEWLINE_CONSTRAINT,
- BUF_FIRST = PREV_BEGBUF_CONSTRAINT,
- BUF_LAST = NEXT_ENDBUF_CONSTRAINT,
- WORD_DELIM = WORD_DELIM_CONSTRAINT,
- NOT_WORD_DELIM = NOT_WORD_DELIM_CONSTRAINT
-} re_context_type;
-
-typedef struct
-{
- Idx alloc;
- Idx nelem;
- Idx *elems;
-} re_node_set;
-
-typedef enum
-{
- NON_TYPE = 0,
-
- /* Node type, These are used by token, node, tree. */
- CHARACTER = 1,
- END_OF_RE = 2,
- SIMPLE_BRACKET = 3,
- OP_BACK_REF = 4,
- OP_PERIOD = 5,
-#ifdef RE_ENABLE_I18N
- COMPLEX_BRACKET = 6,
- OP_UTF8_PERIOD = 7,
-#endif /* RE_ENABLE_I18N */
-
- /* We define EPSILON_BIT as a macro so that OP_OPEN_SUBEXP is used
- when the debugger shows values of this enum type. */
-#define EPSILON_BIT 8
- OP_OPEN_SUBEXP = EPSILON_BIT | 0,
- OP_CLOSE_SUBEXP = EPSILON_BIT | 1,
- OP_ALT = EPSILON_BIT | 2,
- OP_DUP_ASTERISK = EPSILON_BIT | 3,
- ANCHOR = EPSILON_BIT | 4,
-
- /* Tree type, these are used only by tree. */
- CONCAT = 16,
- SUBEXP = 17,
-
- /* Token type, these are used only by token. */
- OP_DUP_PLUS = 18,
- OP_DUP_QUESTION,
- OP_OPEN_BRACKET,
- OP_CLOSE_BRACKET,
- OP_CHARSET_RANGE,
- OP_OPEN_DUP_NUM,
- OP_CLOSE_DUP_NUM,
- OP_NON_MATCH_LIST,
- OP_OPEN_COLL_ELEM,
- OP_CLOSE_COLL_ELEM,
- OP_OPEN_EQUIV_CLASS,
- OP_CLOSE_EQUIV_CLASS,
- OP_OPEN_CHAR_CLASS,
- OP_CLOSE_CHAR_CLASS,
- OP_WORD,
- OP_NOTWORD,
- OP_SPACE,
- OP_NOTSPACE,
- BACK_SLASH
-
-} re_token_type_t;
-
-#ifdef RE_ENABLE_I18N
-typedef struct
-{
- /* Multibyte characters. */
- wchar_t *mbchars;
-
- /* Collating symbols. */
-# ifdef _LIBC
- int32_t *coll_syms;
-# endif
-
- /* Equivalence classes. */
-# ifdef _LIBC
- int32_t *equiv_classes;
-# endif
-
- /* Range expressions. */
-# ifdef _LIBC
- uint32_t *range_starts;
- uint32_t *range_ends;
-# else /* not _LIBC */
- wchar_t *range_starts;
- wchar_t *range_ends;
-# endif /* not _LIBC */
-
- /* Character classes. */
- wctype_t *char_classes;
-
- /* If this character set is the non-matching list. */
- unsigned int non_match : 1;
-
- /* # of multibyte characters. */
- Idx nmbchars;
-
- /* # of collating symbols. */
- Idx ncoll_syms;
-
- /* # of equivalence classes. */
- Idx nequiv_classes;
-
- /* # of range expressions. */
- Idx nranges;
-
- /* # of character classes. */
- Idx nchar_classes;
-} re_charset_t;
-#endif /* RE_ENABLE_I18N */
-
-typedef struct
-{
- union
- {
- unsigned char c; /* for CHARACTER */
- re_bitset_ptr_t sbcset; /* for SIMPLE_BRACKET */
-#ifdef RE_ENABLE_I18N
- re_charset_t *mbcset; /* for COMPLEX_BRACKET */
-#endif /* RE_ENABLE_I18N */
- Idx idx; /* for BACK_REF */
- re_context_type ctx_type; /* for ANCHOR */
- } opr;
-#if __GNUC__ >= 2 && !__STRICT_ANSI__
- re_token_type_t type : 8;
-#else
- re_token_type_t type;
-#endif
- unsigned int constraint : 10; /* context constraint */
- unsigned int duplicated : 1;
- unsigned int opt_subexp : 1;
-#ifdef RE_ENABLE_I18N
- unsigned int accept_mb : 1;
- /* These 2 bits can be moved into the union if needed (e.g. if running out
- of bits; move opr.c to opr.c.c and move the flags to opr.c.flags). */
- unsigned int mb_partial : 1;
-#endif
- unsigned int word_char : 1;
-} re_token_t;
-
-#define IS_EPSILON_NODE(type) ((type) & EPSILON_BIT)
-
-struct re_string_t
-{
- /* Indicate the raw buffer which is the original string passed as an
- argument of regexec(), re_search(), etc.. */
- const unsigned char *raw_mbs;
- /* Store the multibyte string. In case of "case insensitive mode" like
- REG_ICASE, upper cases of the string are stored, otherwise MBS points
- the same address that RAW_MBS points. */
- unsigned char *mbs;
-#ifdef RE_ENABLE_I18N
- /* Store the wide character string which is corresponding to MBS. */
- wint_t *wcs;
- Idx *offsets;
- mbstate_t cur_state;
-#endif
- /* Index in RAW_MBS. Each character mbs[i] corresponds to
- raw_mbs[raw_mbs_idx + i]. */
- Idx raw_mbs_idx;
- /* The length of the valid characters in the buffers. */
- Idx valid_len;
- /* The corresponding number of bytes in raw_mbs array. */
- Idx valid_raw_len;
- /* The length of the buffers MBS and WCS. */
- Idx bufs_len;
- /* The index in MBS, which is updated by re_string_fetch_byte. */
- Idx cur_idx;
- /* length of RAW_MBS array. */
- Idx raw_len;
- /* This is RAW_LEN - RAW_MBS_IDX + VALID_LEN - VALID_RAW_LEN. */
- Idx len;
- /* End of the buffer may be shorter than its length in the cases such
- as re_match_2, re_search_2. Then, we use STOP for end of the buffer
- instead of LEN. */
- Idx raw_stop;
- /* This is RAW_STOP - RAW_MBS_IDX adjusted through OFFSETS. */
- Idx stop;
-
- /* The context of mbs[0]. We store the context independently, since
- the context of mbs[0] may be different from raw_mbs[0], which is
- the beginning of the input string. */
- unsigned int tip_context;
- /* The translation passed as a part of an argument of re_compile_pattern. */
- RE_TRANSLATE_TYPE trans;
- /* Copy of re_dfa_t's word_char. */
- re_const_bitset_ptr_t word_char;
- /* true if REG_ICASE. */
- unsigned char icase;
- unsigned char is_utf8;
- unsigned char map_notascii;
- unsigned char mbs_allocated;
- unsigned char offsets_needed;
- unsigned char newline_anchor;
- unsigned char word_ops_used;
- int mb_cur_max;
-};
-typedef struct re_string_t re_string_t;
-
-
-struct re_dfa_t;
-typedef struct re_dfa_t re_dfa_t;
-
-#ifndef _LIBC
-# if defined __i386__ && !defined __EMX__
-# define internal_function __attribute ((regparm (3), stdcall))
-# else
-# define internal_function
-# endif
-#endif
-
-static reg_errcode_t re_string_realloc_buffers (re_string_t *pstr,
- Idx new_buf_len)
- internal_function;
-#ifdef RE_ENABLE_I18N
-static void build_wcs_buffer (re_string_t *pstr) internal_function;
-static reg_errcode_t build_wcs_upper_buffer (re_string_t *pstr)
- internal_function;
-#endif /* RE_ENABLE_I18N */
-static void build_upper_buffer (re_string_t *pstr) internal_function;
-static void re_string_translate_buffer (re_string_t *pstr) internal_function;
-static unsigned int re_string_context_at (const re_string_t *input, Idx idx,
- int eflags)
- internal_function __attribute ((pure));
-#define re_string_peek_byte(pstr, offset) \
- ((pstr)->mbs[(pstr)->cur_idx + offset])
-#define re_string_fetch_byte(pstr) \
- ((pstr)->mbs[(pstr)->cur_idx++])
-#define re_string_first_byte(pstr, idx) \
- ((idx) == (pstr)->valid_len || (pstr)->wcs[idx] != WEOF)
-#define re_string_is_single_byte_char(pstr, idx) \
- ((pstr)->wcs[idx] != WEOF && ((pstr)->valid_len == (idx) + 1 \
- || (pstr)->wcs[(idx) + 1] != WEOF))
-#define re_string_eoi(pstr) ((pstr)->stop <= (pstr)->cur_idx)
-#define re_string_cur_idx(pstr) ((pstr)->cur_idx)
-#define re_string_get_buffer(pstr) ((pstr)->mbs)
-#define re_string_length(pstr) ((pstr)->len)
-#define re_string_byte_at(pstr,idx) ((pstr)->mbs[idx])
-#define re_string_skip_bytes(pstr,idx) ((pstr)->cur_idx += (idx))
-#define re_string_set_index(pstr,idx) ((pstr)->cur_idx = (idx))
-
-#include <alloca.h>
-
-#ifndef _LIBC
-# if HAVE_ALLOCA
-/* The OS usually guarantees only one guard page at the bottom of the stack,
- and a page size can be as small as 4096 bytes. So we cannot safely
- allocate anything larger than 4096 bytes. Also care for the possibility
- of a few compiler-allocated temporary stack slots. */
-# define __libc_use_alloca(n) ((n) < 4032)
-# else
-/* alloca is implemented with malloc, so just use malloc. */
-# define __libc_use_alloca(n) 0
-# endif
-#endif
-
-#ifndef MAX
-# define MAX(a,b) ((a) < (b) ? (b) : (a))
-#endif
-
-#define re_malloc(t,n) ((t *) malloc ((n) * sizeof (t)))
-#define re_realloc(p,t,n) ((t *) realloc (p, (n) * sizeof (t)))
-#define re_free(p) free (p)
-
-struct bin_tree_t
-{
- struct bin_tree_t *parent;
- struct bin_tree_t *left;
- struct bin_tree_t *right;
- struct bin_tree_t *first;
- struct bin_tree_t *next;
-
- re_token_t token;
-
- /* `node_idx' is the index in dfa->nodes, if `type' == 0.
- Otherwise `type' indicate the type of this node. */
- Idx node_idx;
-};
-typedef struct bin_tree_t bin_tree_t;
-
-#define BIN_TREE_STORAGE_SIZE \
- ((1024 - sizeof (void *)) / sizeof (bin_tree_t))
-
-struct bin_tree_storage_t
-{
- struct bin_tree_storage_t *next;
- bin_tree_t data[BIN_TREE_STORAGE_SIZE];
-};
-typedef struct bin_tree_storage_t bin_tree_storage_t;
-
-#define CONTEXT_WORD 1
-#define CONTEXT_NEWLINE (CONTEXT_WORD << 1)
-#define CONTEXT_BEGBUF (CONTEXT_NEWLINE << 1)
-#define CONTEXT_ENDBUF (CONTEXT_BEGBUF << 1)
-
-#define IS_WORD_CONTEXT(c) ((c) & CONTEXT_WORD)
-#define IS_NEWLINE_CONTEXT(c) ((c) & CONTEXT_NEWLINE)
-#define IS_BEGBUF_CONTEXT(c) ((c) & CONTEXT_BEGBUF)
-#define IS_ENDBUF_CONTEXT(c) ((c) & CONTEXT_ENDBUF)
-#define IS_ORDINARY_CONTEXT(c) ((c) == 0)
-
-#define IS_WORD_CHAR(ch) (isalnum (ch) || (ch) == '_')
-#define IS_NEWLINE(ch) ((ch) == NEWLINE_CHAR)
-#define IS_WIDE_WORD_CHAR(ch) (iswalnum (ch) || (ch) == L'_')
-#define IS_WIDE_NEWLINE(ch) ((ch) == WIDE_NEWLINE_CHAR)
-
-#define NOT_SATISFY_PREV_CONSTRAINT(constraint,context) \
- ((((constraint) & PREV_WORD_CONSTRAINT) && !IS_WORD_CONTEXT (context)) \
- || ((constraint & PREV_NOTWORD_CONSTRAINT) && IS_WORD_CONTEXT (context)) \
- || ((constraint & PREV_NEWLINE_CONSTRAINT) && !IS_NEWLINE_CONTEXT (context))\
- || ((constraint & PREV_BEGBUF_CONSTRAINT) && !IS_BEGBUF_CONTEXT (context)))
-
-#define NOT_SATISFY_NEXT_CONSTRAINT(constraint,context) \
- ((((constraint) & NEXT_WORD_CONSTRAINT) && !IS_WORD_CONTEXT (context)) \
- || (((constraint) & NEXT_NOTWORD_CONSTRAINT) && IS_WORD_CONTEXT (context)) \
- || (((constraint) & NEXT_NEWLINE_CONSTRAINT) && !IS_NEWLINE_CONTEXT (context)) \
- || (((constraint) & NEXT_ENDBUF_CONSTRAINT) && !IS_ENDBUF_CONTEXT (context)))
-
-struct re_dfastate_t
-{
- re_hashval_t hash;
- re_node_set nodes;
- re_node_set non_eps_nodes;
- re_node_set inveclosure;
- re_node_set *entrance_nodes;
- struct re_dfastate_t **trtable, **word_trtable;
- unsigned int context : 4;
- unsigned int halt : 1;
- /* If this state can accept `multi byte'.
- Note that we refer to multibyte characters, and multi character
- collating elements as `multi byte'. */
- unsigned int accept_mb : 1;
- /* If this state has backreference node(s). */
- unsigned int has_backref : 1;
- unsigned int has_constraint : 1;
-};
-typedef struct re_dfastate_t re_dfastate_t;
-
-struct re_state_table_entry
-{
- Idx num;
- Idx alloc;
- re_dfastate_t **array;
-};
-
-/* Array type used in re_sub_match_last_t and re_sub_match_top_t. */
-
-typedef struct
-{
- Idx next_idx;
- Idx alloc;
- re_dfastate_t **array;
-} state_array_t;
-
-/* Store information about the node NODE whose type is OP_CLOSE_SUBEXP. */
-
-typedef struct
-{
- Idx node;
- Idx str_idx; /* The position NODE match at. */
- state_array_t path;
-} re_sub_match_last_t;
-
-/* Store information about the node NODE whose type is OP_OPEN_SUBEXP.
- And information about the node, whose type is OP_CLOSE_SUBEXP,
- corresponding to NODE is stored in LASTS. */
-
-typedef struct
-{
- Idx str_idx;
- Idx node;
- state_array_t *path;
- Idx alasts; /* Allocation size of LASTS. */
- Idx nlasts; /* The number of LASTS. */
- re_sub_match_last_t **lasts;
-} re_sub_match_top_t;
-
-struct re_backref_cache_entry
-{
- Idx node;
- Idx str_idx;
- Idx subexp_from;
- Idx subexp_to;
- char more;
- char unused;
- unsigned short int eps_reachable_subexps_map;
-};
-
-typedef struct
-{
- /* The string object corresponding to the input string. */
- re_string_t input;
-#if defined _LIBC || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
- const re_dfa_t *const dfa;
-#else
- const re_dfa_t *dfa;
-#endif
- /* EFLAGS of the argument of regexec. */
- int eflags;
- /* Where the matching ends. */
- Idx match_last;
- Idx last_node;
- /* The state log used by the matcher. */
- re_dfastate_t **state_log;
- Idx state_log_top;
- /* Back reference cache. */
- Idx nbkref_ents;
- Idx abkref_ents;
- struct re_backref_cache_entry *bkref_ents;
- int max_mb_elem_len;
- Idx nsub_tops;
- Idx asub_tops;
- re_sub_match_top_t **sub_tops;
-} re_match_context_t;
-
-typedef struct
-{
- re_dfastate_t **sifted_states;
- re_dfastate_t **limited_states;
- Idx last_node;
- Idx last_str_idx;
- re_node_set limits;
-} re_sift_context_t;
-
-struct re_fail_stack_ent_t
-{
- Idx idx;
- Idx node;
- regmatch_t *regs;
- re_node_set eps_via_nodes;
-};
-
-struct re_fail_stack_t
-{
- Idx num;
- Idx alloc;
- struct re_fail_stack_ent_t *stack;
-};
-
-struct re_dfa_t
-{
- re_token_t *nodes;
- size_t nodes_alloc;
- size_t nodes_len;
- Idx *nexts;
- Idx *org_indices;
- re_node_set *edests;
- re_node_set *eclosures;
- re_node_set *inveclosures;
- struct re_state_table_entry *state_table;
- re_dfastate_t *init_state;
- re_dfastate_t *init_state_word;
- re_dfastate_t *init_state_nl;
- re_dfastate_t *init_state_begbuf;
- bin_tree_t *str_tree;
- bin_tree_storage_t *str_tree_storage;
- re_bitset_ptr_t sb_char;
- int str_tree_storage_idx;
-
- /* number of subexpressions `re_nsub' is in regex_t. */
- re_hashval_t state_hash_mask;
- Idx init_node;
- Idx nbackref; /* The number of backreference in this dfa. */
-
- /* Bitmap expressing which backreference is used. */
- bitset_word_t used_bkref_map;
- bitset_word_t completed_bkref_map;
-
- unsigned int has_plural_match : 1;
- /* If this dfa has "multibyte node", which is a backreference or
- a node which can accept multibyte character or multi character
- collating element. */
- unsigned int has_mb_node : 1;
- unsigned int is_utf8 : 1;
- unsigned int map_notascii : 1;
- unsigned int word_ops_used : 1;
- int mb_cur_max;
- bitset_t word_char;
- reg_syntax_t syntax;
- Idx *subexp_map;
-#ifdef DEBUG
- char* re_str;
-#endif
-#ifdef _LIBC
- __libc_lock_define (, lock)
-#endif
-};
-
-#define re_node_set_init_empty(set) memset (set, '\0', sizeof (re_node_set))
-#define re_node_set_remove(set,id) \
- (re_node_set_remove_at (set, re_node_set_contains (set, id) - 1))
-#define re_node_set_empty(p) ((p)->nelem = 0)
-#define re_node_set_free(set) re_free ((set)->elems)
-\f
-
-typedef enum
-{
- SB_CHAR,
- MB_CHAR,
- EQUIV_CLASS,
- COLL_SYM,
- CHAR_CLASS
-} bracket_elem_type;
-
-typedef struct
-{
- bracket_elem_type type;
- union
- {
- unsigned char ch;
- unsigned char *name;
- wchar_t wch;
- } opr;
-} bracket_elem_t;
-
-
-/* Inline functions for bitset_t operation. */
-
-static inline void
-bitset_set (bitset_t set, Idx i)
-{
- set[i / BITSET_WORD_BITS] |= (bitset_word_t) 1 << i % BITSET_WORD_BITS;
-}
-
-static inline void
-bitset_clear (bitset_t set, Idx i)
-{
- set[i / BITSET_WORD_BITS] &= ~ ((bitset_word_t) 1 << i % BITSET_WORD_BITS);
-}
-
-static inline bool
-bitset_contain (const bitset_t set, Idx i)
-{
- return (set[i / BITSET_WORD_BITS] >> i % BITSET_WORD_BITS) & 1;
-}
-
-static inline void
-bitset_empty (bitset_t set)
-{
- memset (set, '\0', sizeof (bitset_t));
-}
-
-static inline void
-bitset_set_all (bitset_t set)
-{
- memset (set, -1, sizeof (bitset_word_t) * (SBC_MAX / BITSET_WORD_BITS));
- if (SBC_MAX % BITSET_WORD_BITS != 0)
- set[BITSET_WORDS - 1] =
- ((bitset_word_t) 1 << SBC_MAX % BITSET_WORD_BITS) - 1;
-}
-
-static inline void
-bitset_copy (bitset_t dest, const bitset_t src)
-{
- memcpy (dest, src, sizeof (bitset_t));
-}
-
-static inline void
-bitset_not (bitset_t set)
-{
- int bitset_i;
- for (bitset_i = 0; bitset_i < SBC_MAX / BITSET_WORD_BITS; ++bitset_i)
- set[bitset_i] = ~set[bitset_i];
- if (SBC_MAX % BITSET_WORD_BITS != 0)
- set[BITSET_WORDS - 1] =
- ((((bitset_word_t) 1 << SBC_MAX % BITSET_WORD_BITS) - 1)
- & ~set[BITSET_WORDS - 1]);
-}
-
-static inline void
-bitset_merge (bitset_t dest, const bitset_t src)
-{
- int bitset_i;
- for (bitset_i = 0; bitset_i < BITSET_WORDS; ++bitset_i)
- dest[bitset_i] |= src[bitset_i];
-}
-
-static inline void
-bitset_mask (bitset_t dest, const bitset_t src)
-{
- int bitset_i;
- for (bitset_i = 0; bitset_i < BITSET_WORDS; ++bitset_i)
- dest[bitset_i] &= src[bitset_i];
-}
-
-#ifdef RE_ENABLE_I18N
-/* Inline functions for re_string. */
-static inline int
-internal_function __attribute ((pure))
-re_string_char_size_at (const re_string_t *pstr, Idx idx)
-{
- int byte_idx;
- if (pstr->mb_cur_max == 1)
- return 1;
- for (byte_idx = 1; idx + byte_idx < pstr->valid_len; ++byte_idx)
- if (pstr->wcs[idx + byte_idx] != WEOF)
- break;
- return byte_idx;
-}
-
-static inline wint_t
-internal_function __attribute ((pure))
-re_string_wchar_at (const re_string_t *pstr, Idx idx)
-{
- if (pstr->mb_cur_max == 1)
- return (wint_t) pstr->mbs[idx];
- return (wint_t) pstr->wcs[idx];
-}
-
-static int
-internal_function __attribute ((pure))
-re_string_elem_size_at (const re_string_t *pstr, Idx idx)
-{
-# ifdef _LIBC
- const unsigned char *p, *extra;
- const int32_t *table, *indirect;
- int32_t tmp;
-# include <locale/weight.h>
- uint_fast32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
-
- if (nrules != 0)
- {
- table = (const int32_t *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
- extra = (const unsigned char *)
- _NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAMB);
- indirect = (const int32_t *) _NL_CURRENT (LC_COLLATE,
- _NL_COLLATE_INDIRECTMB);
- p = pstr->mbs + idx;
- tmp = findidx (&p);
- return p - pstr->mbs - idx;
- }
- else
-# endif /* _LIBC */
- return 1;
-}
-#endif /* RE_ENABLE_I18N */
-
-#endif /* _REGEX_INTERNAL_H */
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