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annotate lib/regex_internal.h @ 17448:b3516a31a386

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regex: port to --with-included-regex --enable-gcc-warnings non-threaded * lib/regex_internal.h (lock_fini, lock_lock): Rework to avoid gcc warnings in the non-threaded case. Reported by Charlie Brown in <http://lists.gnu.org/archive/html/bug-gnulib/2013-07/msg00015.html>.
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 09 Jul 2013 11:35:01 -0700
parents 6105f1dfb98e
children 10245f88b953
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1 /* Extended regular expression matching and search library.
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2 Copyright (C) 2002-2013 Free Software Foundation, Inc.
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3 This file is part of the GNU C Library.
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4 Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
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5
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6 The GNU C Library is free software; you can redistribute it and/or
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7 modify it under the terms of the GNU Lesser General Public
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8 License as published by the Free Software Foundation; either
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9 version 2.1 of the License, or (at your option) any later version.
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10
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11 The GNU C Library is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 Lesser General Public License for more details.
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15
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16 You should have received a copy of the GNU Lesser General Public
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17 License along with the GNU C Library; if not, see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef _REGEX_INTERNAL_H
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21 #define _REGEX_INTERNAL_H 1
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22
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23 #include <assert.h>
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24 #include <ctype.h>
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27 #include <string.h>
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28
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29 #include <langinfo.h>
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30 #include <locale.h>
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31 #include <wchar.h>
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32 #include <wctype.h>
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33 #include <stdbool.h>
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34 #include <stdint.h>
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35
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36 #ifdef _LIBC
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37 # include <bits/libc-lock.h>
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38 # define lock_define(name) __libc_lock_define (, name)
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39 # define lock_init(lock) (__libc_lock_init (lock), 0)
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40 # define lock_fini(lock) 0
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41 # define lock_lock(lock) __libc_lock_lock (lock)
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42 # define lock_unlock(lock) __libc_lock_unlock (lock)
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43 #elif defined GNULIB_LOCK
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44 # include "glthread/lock.h"
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45 /* Use gl_lock_define if empty macro arguments are known to work.
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46 Otherwise, fall back on less-portable substitutes. */
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47 # if ((defined __GNUC__ && !defined __STRICT_ANSI__) \
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48 || (defined __STDC_VERSION__ && 199901L <= __STDC_VERSION__))
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49 # define lock_define(name) gl_lock_define (, name)
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50 # elif USE_POSIX_THREADS
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51 # define lock_define(name) pthread_mutex_t name;
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52 # elif USE_PTH_THREADS
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53 # define lock_define(name) pth_mutex_t name;
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54 # elif USE_SOLARIS_THREADS
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55 # define lock_define(name) mutex_t name;
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56 # elif USE_WINDOWS_THREADS
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57 # define lock_define(name) gl_lock_t name;
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58 # else
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59 # define lock_define(name)
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60 # endif
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61 # define lock_init(lock) glthread_lock_init (&(lock))
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62 # define lock_fini(lock) glthread_lock_destroy (&(lock))
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63 # define lock_lock(lock) glthread_lock_lock (&(lock))
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64 # define lock_unlock(lock) glthread_lock_unlock (&(lock))
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65 #elif defined GNULIB_PTHREAD
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66 # include <pthread.h>
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67 # define lock_define(name) pthread_mutex_t name;
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68 # define lock_init(lock) pthread_mutex_init (&(lock), 0)
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69 # define lock_fini(lock) pthread_mutex_destroy (&(lock))
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70 # define lock_lock(lock) pthread_mutex_lock (&(lock))
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71 # define lock_unlock(lock) pthread_mutex_unlock (&(lock))
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72 #else
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73 # define lock_define(name)
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74 # define lock_init(lock) 0
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75 # define lock_fini(lock) ((void) 0)
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76 /* The 'dfa' avoids an "unused variable 'dfa'" warning from GCC. */
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77 # define lock_lock(lock) ((void) dfa)
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78 # define lock_unlock(lock) ((void) 0)
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79 #endif
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80
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81 /* In case that the system doesn't have isblank(). */
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82 #if !defined _LIBC && ! (defined isblank || (HAVE_ISBLANK && HAVE_DECL_ISBLANK))
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83 # define isblank(ch) ((ch) == ' ' || (ch) == '\t')
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84 #endif
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85
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86 #ifdef _LIBC
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87 # ifndef _RE_DEFINE_LOCALE_FUNCTIONS
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88 # define _RE_DEFINE_LOCALE_FUNCTIONS 1
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89 # include <locale/localeinfo.h>
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90 # include <locale/elem-hash.h>
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91 # include <locale/coll-lookup.h>
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92 # endif
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93 #endif
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94
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95 /* This is for other GNU distributions with internationalized messages. */
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96 #if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
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97 # include <libintl.h>
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98 # ifdef _LIBC
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99 # undef gettext
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100 # define gettext(msgid) \
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101 __dcgettext (_libc_intl_domainname, msgid, LC_MESSAGES)
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102 # endif
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103 #else
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104 # define gettext(msgid) (msgid)
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105 #endif
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106
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107 #ifndef gettext_noop
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108 /* This define is so xgettext can find the internationalizable
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109 strings. */
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110 # define gettext_noop(String) String
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111 #endif
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112
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113 #if (defined MB_CUR_MAX && HAVE_WCTYPE_H && HAVE_ISWCTYPE && HAVE_WCSCOLL) || _LIBC
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114 # define RE_ENABLE_I18N
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115 #endif
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116
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117 #if __GNUC__ >= 3
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118 # define BE(expr, val) __builtin_expect (expr, val)
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119 #else
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120 # define BE(expr, val) (expr)
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121 #endif
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122
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123 /* Number of ASCII characters. */
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124 #define ASCII_CHARS 0x80
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125
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126 /* Number of single byte characters. */
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127 #define SBC_MAX (UCHAR_MAX + 1)
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128
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129 #define COLL_ELEM_LEN_MAX 8
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130
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131 /* The character which represents newline. */
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132 #define NEWLINE_CHAR '\n'
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133 #define WIDE_NEWLINE_CHAR L'\n'
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134
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135 /* Rename to standard API for using out of glibc. */
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136 #ifndef _LIBC
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137 # undef __wctype
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138 # undef __iswctype
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139 # define __wctype wctype
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140 # define __iswctype iswctype
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141 # define __btowc btowc
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142 # define __mbrtowc mbrtowc
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143 # define __wcrtomb wcrtomb
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144 # define __regfree regfree
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145 # define attribute_hidden
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146 #endif /* not _LIBC */
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147
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148 #if __GNUC__ < 3 + (__GNUC_MINOR__ < 1)
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149 # define __attribute__(arg)
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150 #endif
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151
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152 typedef __re_idx_t Idx;
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153 #ifdef _REGEX_LARGE_OFFSETS
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154 # define IDX_MAX (SIZE_MAX - 2)
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155 #else
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156 # define IDX_MAX INT_MAX
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157 #endif
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158
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159 /* Special return value for failure to match. */
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160 #define REG_MISSING ((Idx) -1)
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161
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162 /* Special return value for internal error. */
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163 #define REG_ERROR ((Idx) -2)
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164
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165 /* Test whether N is a valid index, and is not one of the above. */
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166 #ifdef _REGEX_LARGE_OFFSETS
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167 # define REG_VALID_INDEX(n) ((Idx) (n) < REG_ERROR)
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168 #else
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169 # define REG_VALID_INDEX(n) (0 <= (n))
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170 #endif
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171
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172 /* Test whether N is a valid nonzero index. */
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173 #ifdef _REGEX_LARGE_OFFSETS
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174 # define REG_VALID_NONZERO_INDEX(n) ((Idx) ((n) - 1) < (Idx) (REG_ERROR - 1))
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175 #else
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176 # define REG_VALID_NONZERO_INDEX(n) (0 < (n))
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177 #endif
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178
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179 /* A hash value, suitable for computing hash tables. */
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180 typedef __re_size_t re_hashval_t;
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181
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182 /* An integer used to represent a set of bits. It must be unsigned,
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183 and must be at least as wide as unsigned int. */
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184 typedef unsigned long int bitset_word_t;
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185 /* All bits set in a bitset_word_t. */
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186 #define BITSET_WORD_MAX ULONG_MAX
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187
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188 /* Number of bits in a bitset_word_t. For portability to hosts with
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189 padding bits, do not use '(sizeof (bitset_word_t) * CHAR_BIT)';
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190 instead, deduce it directly from BITSET_WORD_MAX. Avoid
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191 greater-than-32-bit integers and unconditional shifts by more than
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192 31 bits, as they're not portable. */
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193 #if BITSET_WORD_MAX == 0xffffffffUL
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194 # define BITSET_WORD_BITS 32
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195 #elif BITSET_WORD_MAX >> 31 >> 4 == 1
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196 # define BITSET_WORD_BITS 36
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197 #elif BITSET_WORD_MAX >> 31 >> 16 == 1
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198 # define BITSET_WORD_BITS 48
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199 #elif BITSET_WORD_MAX >> 31 >> 28 == 1
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200 # define BITSET_WORD_BITS 60
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201 #elif BITSET_WORD_MAX >> 31 >> 31 >> 1 == 1
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202 # define BITSET_WORD_BITS 64
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203 #elif BITSET_WORD_MAX >> 31 >> 31 >> 9 == 1
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204 # define BITSET_WORD_BITS 72
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205 #elif BITSET_WORD_MAX >> 31 >> 31 >> 31 >> 31 >> 3 == 1
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206 # define BITSET_WORD_BITS 128
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207 #elif BITSET_WORD_MAX >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 7 == 1
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
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208 # define BITSET_WORD_BITS 256
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209 #elif BITSET_WORD_MAX >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 31 >> 7 > 1
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
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210 # define BITSET_WORD_BITS 257 /* any value > SBC_MAX will do here */
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211 # if BITSET_WORD_BITS <= SBC_MAX
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212 # error "Invalid SBC_MAX"
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213 # endif
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
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214 #else
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215 # error "Add case for new bitset_word_t size"
6214
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216 #endif
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217
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218 /* Number of bitset_word_t values in a bitset_t. */
6214
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219 #define BITSET_WORDS ((SBC_MAX + BITSET_WORD_BITS - 1) / BITSET_WORD_BITS)
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
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220
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221 typedef bitset_word_t bitset_t[BITSET_WORDS];
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222 typedef bitset_word_t *re_bitset_ptr_t;
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223 typedef const bitset_word_t *re_const_bitset_ptr_t;
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224
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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225 #define PREV_WORD_CONSTRAINT 0x0001
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diff changeset
226 #define PREV_NOTWORD_CONSTRAINT 0x0002
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diff changeset
227 #define NEXT_WORD_CONSTRAINT 0x0004
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diff changeset
228 #define NEXT_NOTWORD_CONSTRAINT 0x0008
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diff changeset
229 #define PREV_NEWLINE_CONSTRAINT 0x0010
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diff changeset
230 #define NEXT_NEWLINE_CONSTRAINT 0x0020
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diff changeset
231 #define PREV_BEGBUF_CONSTRAINT 0x0040
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diff changeset
232 #define NEXT_ENDBUF_CONSTRAINT 0x0080
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diff changeset
233 #define WORD_DELIM_CONSTRAINT 0x0100
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
234 #define NOT_WORD_DELIM_CONSTRAINT 0x0200
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diff changeset
235
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
236 typedef enum
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
237 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
238 INSIDE_WORD = PREV_WORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
239 WORD_FIRST = PREV_NOTWORD_CONSTRAINT | NEXT_WORD_CONSTRAINT,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
240 WORD_LAST = PREV_WORD_CONSTRAINT | NEXT_NOTWORD_CONSTRAINT,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
241 INSIDE_NOTWORD = PREV_NOTWORD_CONSTRAINT | NEXT_NOTWORD_CONSTRAINT,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
242 LINE_FIRST = PREV_NEWLINE_CONSTRAINT,
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parents:
diff changeset
243 LINE_LAST = NEXT_NEWLINE_CONSTRAINT,
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parents:
diff changeset
244 BUF_FIRST = PREV_BEGBUF_CONSTRAINT,
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parents:
diff changeset
245 BUF_LAST = NEXT_ENDBUF_CONSTRAINT,
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parents:
diff changeset
246 WORD_DELIM = WORD_DELIM_CONSTRAINT,
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parents:
diff changeset
247 NOT_WORD_DELIM = NOT_WORD_DELIM_CONSTRAINT
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parents:
diff changeset
248 } re_context_type;
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diff changeset
249
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
250 typedef struct
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
251 {
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
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diff changeset
252 Idx alloc;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
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253 Idx nelem;
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254 Idx *elems;
5968
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255 } re_node_set;
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diff changeset
256
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
257 typedef enum
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
258 {
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diff changeset
259 NON_TYPE = 0,
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260
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
261 /* Node type, These are used by token, node, tree. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
262 CHARACTER = 1,
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diff changeset
263 END_OF_RE = 2,
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diff changeset
264 SIMPLE_BRACKET = 3,
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diff changeset
265 OP_BACK_REF = 4,
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diff changeset
266 OP_PERIOD = 5,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
267 #ifdef RE_ENABLE_I18N
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268 COMPLEX_BRACKET = 6,
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diff changeset
269 OP_UTF8_PERIOD = 7,
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diff changeset
270 #endif /* RE_ENABLE_I18N */
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271
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272 /* We define EPSILON_BIT as a macro so that OP_OPEN_SUBEXP is used
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273 when the debugger shows values of this enum type. */
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274 #define EPSILON_BIT 8
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275 OP_OPEN_SUBEXP = EPSILON_BIT | 0,
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276 OP_CLOSE_SUBEXP = EPSILON_BIT | 1,
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277 OP_ALT = EPSILON_BIT | 2,
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diff changeset
278 OP_DUP_ASTERISK = EPSILON_BIT | 3,
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diff changeset
279 ANCHOR = EPSILON_BIT | 4,
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280
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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281 /* Tree type, these are used only by tree. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
282 CONCAT = 16,
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diff changeset
283 SUBEXP = 17,
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diff changeset
284
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
285 /* Token type, these are used only by token. */
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diff changeset
286 OP_DUP_PLUS = 18,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
287 OP_DUP_QUESTION,
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diff changeset
288 OP_OPEN_BRACKET,
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diff changeset
289 OP_CLOSE_BRACKET,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
290 OP_CHARSET_RANGE,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
291 OP_OPEN_DUP_NUM,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
292 OP_CLOSE_DUP_NUM,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
293 OP_NON_MATCH_LIST,
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diff changeset
294 OP_OPEN_COLL_ELEM,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
295 OP_CLOSE_COLL_ELEM,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
296 OP_OPEN_EQUIV_CLASS,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
297 OP_CLOSE_EQUIV_CLASS,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
298 OP_OPEN_CHAR_CLASS,
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diff changeset
299 OP_CLOSE_CHAR_CLASS,
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diff changeset
300 OP_WORD,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
301 OP_NOTWORD,
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diff changeset
302 OP_SPACE,
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diff changeset
303 OP_NOTSPACE,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
304 BACK_SLASH
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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305
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
306 } re_token_type_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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307
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
308 #ifdef RE_ENABLE_I18N
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
309 typedef struct
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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310 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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311 /* Multibyte characters. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
312 wchar_t *mbchars;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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313
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
314 /* Collating symbols. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
315 # ifdef _LIBC
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316 int32_t *coll_syms;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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317 # endif
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318
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
319 /* Equivalence classes. */
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diff changeset
320 # ifdef _LIBC
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diff changeset
321 int32_t *equiv_classes;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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322 # endif
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323
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
324 /* Range expressions. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
325 # ifdef _LIBC
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diff changeset
326 uint32_t *range_starts;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
327 uint32_t *range_ends;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
328 # else /* not _LIBC */
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diff changeset
329 wchar_t *range_starts;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
330 wchar_t *range_ends;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
331 # endif /* not _LIBC */
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diff changeset
332
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
333 /* Character classes. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
334 wctype_t *char_classes;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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335
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
336 /* If this character set is the non-matching list. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
337 unsigned int non_match : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
338
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
339 /* # of multibyte characters. */
6184
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340 Idx nmbchars;
5968
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341
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
342 /* # of collating symbols. */
6184
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343 Idx ncoll_syms;
5968
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344
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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345 /* # of equivalence classes. */
6184
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346 Idx nequiv_classes;
5968
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347
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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348 /* # of range expressions. */
6184
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349 Idx nranges;
5968
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350
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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351 /* # of character classes. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
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352 Idx nchar_classes;
5968
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353 } re_charset_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
354 #endif /* RE_ENABLE_I18N */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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355
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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356 typedef struct
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diff changeset
357 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
358 union
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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359 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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360 unsigned char c; /* for CHARACTER */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
361 re_bitset_ptr_t sbcset; /* for SIMPLE_BRACKET */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
362 #ifdef RE_ENABLE_I18N
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
363 re_charset_t *mbcset; /* for COMPLEX_BRACKET */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
364 #endif /* RE_ENABLE_I18N */
6184
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365 Idx idx; /* for BACK_REF */
5968
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366 re_context_type ctx_type; /* for ANCHOR */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
367 } opr;
15962
cfa1d5dbe78c Support for old NeXTstep 3.3 gcc.
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368 #if __GNUC__ >= 2 && !defined __STRICT_ANSI__
5968
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369 re_token_type_t type : 8;
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diff changeset
370 #else
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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371 re_token_type_t type;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
372 #endif
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
373 unsigned int constraint : 10; /* context constraint */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
374 unsigned int duplicated : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
375 unsigned int opt_subexp : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
376 #ifdef RE_ENABLE_I18N
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
377 unsigned int accept_mb : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
378 /* These 2 bits can be moved into the union if needed (e.g. if running out
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
379 of bits; move opr.c to opr.c.c and move the flags to opr.c.flags). */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
380 unsigned int mb_partial : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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parents:
diff changeset
381 #endif
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
382 unsigned int word_char : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
383 } re_token_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
384
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
385 #define IS_EPSILON_NODE(type) ((type) & EPSILON_BIT)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
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diff changeset
386
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
387 struct re_string_t
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
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diff changeset
388 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
389 /* Indicate the raw buffer which is the original string passed as an
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
390 argument of regexec(), re_search(), etc.. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
391 const unsigned char *raw_mbs;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
392 /* Store the multibyte string. In case of "case insensitive mode" like
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
393 REG_ICASE, upper cases of the string are stored, otherwise MBS points
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
394 the same address that RAW_MBS points. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
395 unsigned char *mbs;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
396 #ifdef RE_ENABLE_I18N
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
397 /* Store the wide character string which is corresponding to MBS. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
398 wint_t *wcs;
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
399 Idx *offsets;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
400 mbstate_t cur_state;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
401 #endif
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
402 /* Index in RAW_MBS. Each character mbs[i] corresponds to
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
403 raw_mbs[raw_mbs_idx + i]. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
404 Idx raw_mbs_idx;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
405 /* The length of the valid characters in the buffers. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
406 Idx valid_len;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
407 /* The corresponding number of bytes in raw_mbs array. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
408 Idx valid_raw_len;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
409 /* The length of the buffers MBS and WCS. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
410 Idx bufs_len;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
411 /* The index in MBS, which is updated by re_string_fetch_byte. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
412 Idx cur_idx;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
413 /* length of RAW_MBS array. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
414 Idx raw_len;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
415 /* This is RAW_LEN - RAW_MBS_IDX + VALID_LEN - VALID_RAW_LEN. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
416 Idx len;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
417 /* End of the buffer may be shorter than its length in the cases such
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
418 as re_match_2, re_search_2. Then, we use STOP for end of the buffer
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
419 instead of LEN. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
420 Idx raw_stop;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
421 /* This is RAW_STOP - RAW_MBS_IDX adjusted through OFFSETS. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
422 Idx stop;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
423
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
424 /* The context of mbs[0]. We store the context independently, since
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
425 the context of mbs[0] may be different from raw_mbs[0], which is
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
426 the beginning of the input string. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
427 unsigned int tip_context;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
428 /* The translation passed as a part of an argument of re_compile_pattern. */
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
429 RE_TRANSLATE_TYPE trans;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
430 /* Copy of re_dfa_t's word_char. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
431 re_const_bitset_ptr_t word_char;
6195
25eaa608fc4e Use bool where appropriate.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6184
diff changeset
432 /* true if REG_ICASE. */
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
433 unsigned char icase;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
434 unsigned char is_utf8;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
435 unsigned char map_notascii;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
436 unsigned char mbs_allocated;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
437 unsigned char offsets_needed;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
438 unsigned char newline_anchor;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
439 unsigned char word_ops_used;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
440 int mb_cur_max;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
441 };
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
442 typedef struct re_string_t re_string_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
443
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
444
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
445 struct re_dfa_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
446 typedef struct re_dfa_t re_dfa_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
447
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
448 #ifndef _LIBC
15523
705e7cdfdeaf regex: port to Stratus OpenVOS
Paul Eggert <eggert@cs.ucla.edu>
parents: 14186
diff changeset
449 # define internal_function
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
450 #endif
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
451
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
452 #ifndef NOT_IN_libc
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
453 static reg_errcode_t re_string_realloc_buffers (re_string_t *pstr,
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
454 Idx new_buf_len)
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
455 internal_function;
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
456 # ifdef RE_ENABLE_I18N
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
457 static void build_wcs_buffer (re_string_t *pstr) internal_function;
6119
c3bf2ea44695 Make regex safe for g++. This fixes one real bug (an "err"
Paul Eggert <eggert@cs.ucla.edu>
parents: 6101
diff changeset
458 static reg_errcode_t build_wcs_upper_buffer (re_string_t *pstr)
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
459 internal_function;
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
460 # endif /* RE_ENABLE_I18N */
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
461 static void build_upper_buffer (re_string_t *pstr) internal_function;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
462 static void re_string_translate_buffer (re_string_t *pstr) internal_function;
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
463 static unsigned int re_string_context_at (const re_string_t *input, Idx idx,
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
464 int eflags)
17348
1fff19279ff9 regex: merge patches from libc
Paul Eggert <eggert@cs.ucla.edu>
parents: 17257
diff changeset
465 internal_function __attribute__ ((pure));
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
466 #endif
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
467 #define re_string_peek_byte(pstr, offset) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
468 ((pstr)->mbs[(pstr)->cur_idx + offset])
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
469 #define re_string_fetch_byte(pstr) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
470 ((pstr)->mbs[(pstr)->cur_idx++])
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
471 #define re_string_first_byte(pstr, idx) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
472 ((idx) == (pstr)->valid_len || (pstr)->wcs[idx] != WEOF)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
473 #define re_string_is_single_byte_char(pstr, idx) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
474 ((pstr)->wcs[idx] != WEOF && ((pstr)->valid_len == (idx) + 1 \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
475 || (pstr)->wcs[(idx) + 1] != WEOF))
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
476 #define re_string_eoi(pstr) ((pstr)->stop <= (pstr)->cur_idx)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
477 #define re_string_cur_idx(pstr) ((pstr)->cur_idx)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
478 #define re_string_get_buffer(pstr) ((pstr)->mbs)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
479 #define re_string_length(pstr) ((pstr)->len)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
480 #define re_string_byte_at(pstr,idx) ((pstr)->mbs[idx])
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
481 #define re_string_skip_bytes(pstr,idx) ((pstr)->cur_idx += (idx))
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
482 #define re_string_set_index(pstr,idx) ((pstr)->cur_idx = (idx))
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
483
17257
83362ee4d224 regex: support Gawk, which never uses alloca
Paul Eggert <eggert@cs.ucla.edu>
parents: 17250
diff changeset
484 #if defined _LIBC || HAVE_ALLOCA
83362ee4d224 regex: support Gawk, which never uses alloca
Paul Eggert <eggert@cs.ucla.edu>
parents: 17250
diff changeset
485 # include <alloca.h>
83362ee4d224 regex: support Gawk, which never uses alloca
Paul Eggert <eggert@cs.ucla.edu>
parents: 17250
diff changeset
486 #endif
6125
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
487
6126
3690c96b6da9 Fix typo: __LIBC -> _LIBC.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6125
diff changeset
488 #ifndef _LIBC
6125
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
489 # if HAVE_ALLOCA
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
490 /* The OS usually guarantees only one guard page at the bottom of the stack,
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
491 and a page size can be as small as 4096 bytes. So we cannot safely
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
492 allocate anything larger than 4096 bytes. Also care for the possibility
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
493 of a few compiler-allocated temporary stack slots. */
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
494 # define __libc_use_alloca(n) ((n) < 4032)
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
495 # else
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
496 /* alloca is implemented with malloc, so just use malloc. */
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
497 # define __libc_use_alloca(n) 0
13367
df004f9880d2 regex: Don't require alloca.
Bruno Haible <bruno@clisp.org>
parents: 12835
diff changeset
498 # undef alloca
df004f9880d2 regex: Don't require alloca.
Bruno Haible <bruno@clisp.org>
parents: 12835
diff changeset
499 # define alloca(n) malloc (n)
6125
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
500 # endif
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
501 #endif
4af02335816a * config/srclist.txt: Add glibc bug 1245.
Paul Eggert <eggert@cs.ucla.edu>
parents: 6119
diff changeset
502
17235
e101c2620c25 regex: port to hosts where malloc (0) == NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 17233
diff changeset
503 #ifdef _LIBC
e101c2620c25 regex: port to hosts where malloc (0) == NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 17233
diff changeset
504 # define MALLOC_0_IS_NONNULL 1
e101c2620c25 regex: port to hosts where malloc (0) == NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 17233
diff changeset
505 #elif !defined MALLOC_0_IS_NONNULL
e101c2620c25 regex: port to hosts where malloc (0) == NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 17233
diff changeset
506 # define MALLOC_0_IS_NONNULL 0
e101c2620c25 regex: port to hosts where malloc (0) == NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 17233
diff changeset
507 #endif
e101c2620c25 regex: port to hosts where malloc (0) == NULL
Paul Eggert <eggert@cs.ucla.edu>
parents: 17233
diff changeset
508
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
509 #ifndef MAX
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
510 # define MAX(a,b) ((a) < (b) ? (b) : (a))
6206
ca2f5d46eeb6 Check for arithmetic overflow when calculating sizes, to prevent
Paul Eggert <eggert@cs.ucla.edu>
parents: 6195
diff changeset
511 #endif
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
512 #ifndef MIN
16384
dde8c368829d regex: fix typo in definition of MIN
Paul Eggert <eggert@cs.ucla.edu>
parents: 16366
diff changeset
513 # define MIN(a,b) ((a) < (b) ? (a) : (b))
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
514 #endif
6206
ca2f5d46eeb6 Check for arithmetic overflow when calculating sizes, to prevent
Paul Eggert <eggert@cs.ucla.edu>
parents: 6195
diff changeset
515
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
516 #define re_malloc(t,n) ((t *) malloc ((n) * sizeof (t)))
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
517 #define re_realloc(p,t,n) ((t *) realloc (p, (n) * sizeof (t)))
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
518 #define re_free(p) free (p)
6206
ca2f5d46eeb6 Check for arithmetic overflow when calculating sizes, to prevent
Paul Eggert <eggert@cs.ucla.edu>
parents: 6195
diff changeset
519
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
520 struct bin_tree_t
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
521 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
522 struct bin_tree_t *parent;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
523 struct bin_tree_t *left;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
524 struct bin_tree_t *right;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
525 struct bin_tree_t *first;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
526 struct bin_tree_t *next;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
527
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
528 re_token_t token;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
529
16235
18a38c9615f0 In commentary, do not use ` to quote.
Paul Eggert <eggert@cs.ucla.edu>
parents: 16201
diff changeset
530 /* 'node_idx' is the index in dfa->nodes, if 'type' == 0.
18a38c9615f0 In commentary, do not use ` to quote.
Paul Eggert <eggert@cs.ucla.edu>
parents: 16201
diff changeset
531 Otherwise 'type' indicate the type of this node. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
532 Idx node_idx;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
533 };
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
534 typedef struct bin_tree_t bin_tree_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
535
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
536 #define BIN_TREE_STORAGE_SIZE \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
537 ((1024 - sizeof (void *)) / sizeof (bin_tree_t))
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
538
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
539 struct bin_tree_storage_t
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
540 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
541 struct bin_tree_storage_t *next;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
542 bin_tree_t data[BIN_TREE_STORAGE_SIZE];
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
543 };
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
544 typedef struct bin_tree_storage_t bin_tree_storage_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
545
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
546 #define CONTEXT_WORD 1
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
547 #define CONTEXT_NEWLINE (CONTEXT_WORD << 1)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
548 #define CONTEXT_BEGBUF (CONTEXT_NEWLINE << 1)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
549 #define CONTEXT_ENDBUF (CONTEXT_BEGBUF << 1)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
550
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
551 #define IS_WORD_CONTEXT(c) ((c) & CONTEXT_WORD)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
552 #define IS_NEWLINE_CONTEXT(c) ((c) & CONTEXT_NEWLINE)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
553 #define IS_BEGBUF_CONTEXT(c) ((c) & CONTEXT_BEGBUF)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
554 #define IS_ENDBUF_CONTEXT(c) ((c) & CONTEXT_ENDBUF)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
555 #define IS_ORDINARY_CONTEXT(c) ((c) == 0)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
556
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
557 #define IS_WORD_CHAR(ch) (isalnum (ch) || (ch) == '_')
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
558 #define IS_NEWLINE(ch) ((ch) == NEWLINE_CHAR)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
559 #define IS_WIDE_WORD_CHAR(ch) (iswalnum (ch) || (ch) == L'_')
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
560 #define IS_WIDE_NEWLINE(ch) ((ch) == WIDE_NEWLINE_CHAR)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
561
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
562 #define NOT_SATISFY_PREV_CONSTRAINT(constraint,context) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
563 ((((constraint) & PREV_WORD_CONSTRAINT) && !IS_WORD_CONTEXT (context)) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
564 || ((constraint & PREV_NOTWORD_CONSTRAINT) && IS_WORD_CONTEXT (context)) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
565 || ((constraint & PREV_NEWLINE_CONSTRAINT) && !IS_NEWLINE_CONTEXT (context))\
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
566 || ((constraint & PREV_BEGBUF_CONSTRAINT) && !IS_BEGBUF_CONTEXT (context)))
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
567
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
568 #define NOT_SATISFY_NEXT_CONSTRAINT(constraint,context) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
569 ((((constraint) & NEXT_WORD_CONSTRAINT) && !IS_WORD_CONTEXT (context)) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
570 || (((constraint) & NEXT_NOTWORD_CONSTRAINT) && IS_WORD_CONTEXT (context)) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
571 || (((constraint) & NEXT_NEWLINE_CONSTRAINT) && !IS_NEWLINE_CONTEXT (context)) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
572 || (((constraint) & NEXT_ENDBUF_CONSTRAINT) && !IS_ENDBUF_CONTEXT (context)))
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
573
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
574 struct re_dfastate_t
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
575 {
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
576 re_hashval_t hash;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
577 re_node_set nodes;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
578 re_node_set non_eps_nodes;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
579 re_node_set inveclosure;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
580 re_node_set *entrance_nodes;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
581 struct re_dfastate_t **trtable, **word_trtable;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
582 unsigned int context : 4;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
583 unsigned int halt : 1;
16235
18a38c9615f0 In commentary, do not use ` to quote.
Paul Eggert <eggert@cs.ucla.edu>
parents: 16201
diff changeset
584 /* If this state can accept "multi byte".
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
585 Note that we refer to multibyte characters, and multi character
16235
18a38c9615f0 In commentary, do not use ` to quote.
Paul Eggert <eggert@cs.ucla.edu>
parents: 16201
diff changeset
586 collating elements as "multi byte". */
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
587 unsigned int accept_mb : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
588 /* If this state has backreference node(s). */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
589 unsigned int has_backref : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
590 unsigned int has_constraint : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
591 };
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
592 typedef struct re_dfastate_t re_dfastate_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
593
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
594 struct re_state_table_entry
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
595 {
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
596 Idx num;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
597 Idx alloc;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
598 re_dfastate_t **array;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
599 };
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
600
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
601 /* Array type used in re_sub_match_last_t and re_sub_match_top_t. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
602
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
603 typedef struct
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
604 {
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
605 Idx next_idx;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
606 Idx alloc;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
607 re_dfastate_t **array;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
608 } state_array_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
609
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
610 /* Store information about the node NODE whose type is OP_CLOSE_SUBEXP. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
611
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
612 typedef struct
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
613 {
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
614 Idx node;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
615 Idx str_idx; /* The position NODE match at. */
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
616 state_array_t path;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
617 } re_sub_match_last_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
618
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
619 /* Store information about the node NODE whose type is OP_OPEN_SUBEXP.
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
620 And information about the node, whose type is OP_CLOSE_SUBEXP,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
621 corresponding to NODE is stored in LASTS. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
622
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
623 typedef struct
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
624 {
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
625 Idx str_idx;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
626 Idx node;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
627 state_array_t *path;
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
628 Idx alasts; /* Allocation size of LASTS. */
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
629 Idx nlasts; /* The number of LASTS. */
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
630 re_sub_match_last_t **lasts;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
631 } re_sub_match_top_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
632
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
633 struct re_backref_cache_entry
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
634 {
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
635 Idx node;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
636 Idx str_idx;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
637 Idx subexp_from;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
638 Idx subexp_to;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
639 char more;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
640 char unused;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
641 unsigned short int eps_reachable_subexps_map;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
642 };
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
643
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
644 typedef struct
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
645 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
646 /* The string object corresponding to the input string. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
647 re_string_t input;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
648 #if defined _LIBC || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
649 const re_dfa_t *const dfa;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
650 #else
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
651 const re_dfa_t *dfa;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
652 #endif
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
653 /* EFLAGS of the argument of regexec. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
654 int eflags;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
655 /* Where the matching ends. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
656 Idx match_last;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
657 Idx last_node;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
658 /* The state log used by the matcher. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
659 re_dfastate_t **state_log;
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
660 Idx state_log_top;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
661 /* Back reference cache. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
662 Idx nbkref_ents;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
663 Idx abkref_ents;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
664 struct re_backref_cache_entry *bkref_ents;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
665 int max_mb_elem_len;
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
666 Idx nsub_tops;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
667 Idx asub_tops;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
668 re_sub_match_top_t **sub_tops;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
669 } re_match_context_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
670
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
671 typedef struct
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
672 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
673 re_dfastate_t **sifted_states;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
674 re_dfastate_t **limited_states;
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
675 Idx last_node;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
676 Idx last_str_idx;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
677 re_node_set limits;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
678 } re_sift_context_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
679
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
680 struct re_fail_stack_ent_t
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
681 {
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
682 Idx idx;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
683 Idx node;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
684 regmatch_t *regs;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
685 re_node_set eps_via_nodes;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
686 };
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
687
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
688 struct re_fail_stack_t
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
689 {
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
690 Idx num;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
691 Idx alloc;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
692 struct re_fail_stack_ent_t *stack;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
693 };
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
694
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
695 struct re_dfa_t
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
696 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
697 re_token_t *nodes;
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
698 size_t nodes_alloc;
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
699 size_t nodes_len;
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
700 Idx *nexts;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
701 Idx *org_indices;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
702 re_node_set *edests;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
703 re_node_set *eclosures;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
704 re_node_set *inveclosures;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
705 struct re_state_table_entry *state_table;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
706 re_dfastate_t *init_state;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
707 re_dfastate_t *init_state_word;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
708 re_dfastate_t *init_state_nl;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
709 re_dfastate_t *init_state_begbuf;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
710 bin_tree_t *str_tree;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
711 bin_tree_storage_t *str_tree_storage;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
712 re_bitset_ptr_t sb_char;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
713 int str_tree_storage_idx;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
714
16235
18a38c9615f0 In commentary, do not use ` to quote.
Paul Eggert <eggert@cs.ucla.edu>
parents: 16201
diff changeset
715 /* number of subexpressions 're_nsub' is in regex_t. */
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
716 re_hashval_t state_hash_mask;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
717 Idx init_node;
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
718 Idx nbackref; /* The number of backreference in this dfa. */
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
719
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
720 /* Bitmap expressing which backreference is used. */
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
721 bitset_word_t used_bkref_map;
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
722 bitset_word_t completed_bkref_map;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
723
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
724 unsigned int has_plural_match : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
725 /* If this dfa has "multibyte node", which is a backreference or
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
726 a node which can accept multibyte character or multi character
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
727 collating element. */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
728 unsigned int has_mb_node : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
729 unsigned int is_utf8 : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
730 unsigned int map_notascii : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
731 unsigned int word_ops_used : 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
732 int mb_cur_max;
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
733 bitset_t word_char;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
734 reg_syntax_t syntax;
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
735 Idx *subexp_map;
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
736 #ifdef DEBUG
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
737 char* re_str;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
738 #endif
17419
020c917cba9d regex: fix dfa race in multithreaded uses
Paul Eggert <eggert@cs.ucla.edu>
parents: 17348
diff changeset
739 lock_define (lock)
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
740 };
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
741
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
742 #define re_node_set_init_empty(set) memset (set, '\0', sizeof (re_node_set))
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
743 #define re_node_set_remove(set,id) \
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
744 (re_node_set_remove_at (set, re_node_set_contains (set, id) - 1))
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
745 #define re_node_set_empty(p) ((p)->nelem = 0)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
746 #define re_node_set_free(set) re_free ((set)->elems)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
747
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
748
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
749 typedef enum
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
750 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
751 SB_CHAR,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
752 MB_CHAR,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
753 EQUIV_CLASS,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
754 COLL_SYM,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
755 CHAR_CLASS
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
756 } bracket_elem_type;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
757
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
758 typedef struct
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
759 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
760 bracket_elem_type type;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
761 union
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
762 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
763 unsigned char ch;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
764 unsigned char *name;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
765 wchar_t wch;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
766 } opr;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
767 } bracket_elem_t;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
768
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
769
17192
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
770 /* Functions for bitset_t operation. */
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
771
17192
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
772 static void
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
773 bitset_set (bitset_t set, Idx i)
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
774 {
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
775 set[i / BITSET_WORD_BITS] |= (bitset_word_t) 1 << i % BITSET_WORD_BITS;
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
776 }
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
777
17192
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
778 static void
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
779 bitset_clear (bitset_t set, Idx i)
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
780 {
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
781 set[i / BITSET_WORD_BITS] &= ~ ((bitset_word_t) 1 << i % BITSET_WORD_BITS);
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
782 }
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
783
17192
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
784 static bool
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
785 bitset_contain (const bitset_t set, Idx i)
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
786 {
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
787 return (set[i / BITSET_WORD_BITS] >> i % BITSET_WORD_BITS) & 1;
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
788 }
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
789
17192
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
790 static void
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
791 bitset_empty (bitset_t set)
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
792 {
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
793 memset (set, '\0', sizeof (bitset_t));
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
794 }
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
795
17192
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
796 static void
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
797 bitset_set_all (bitset_t set)
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
798 {
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
799 memset (set, -1, sizeof (bitset_word_t) * (SBC_MAX / BITSET_WORD_BITS));
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
800 if (SBC_MAX % BITSET_WORD_BITS != 0)
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
801 set[BITSET_WORDS - 1] =
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
802 ((bitset_word_t) 1 << SBC_MAX % BITSET_WORD_BITS) - 1;
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
803 }
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
804
17192
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
805 static void
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
806 bitset_copy (bitset_t dest, const bitset_t src)
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
807 {
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
808 memcpy (dest, src, sizeof (bitset_t));
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
809 }
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
810
17348
1fff19279ff9 regex: merge patches from libc
Paul Eggert <eggert@cs.ucla.edu>
parents: 17257
diff changeset
811 static void __attribute__ ((unused))
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
812 bitset_not (bitset_t set)
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
813 {
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
814 int bitset_i;
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
815 for (bitset_i = 0; bitset_i < SBC_MAX / BITSET_WORD_BITS; ++bitset_i)
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
816 set[bitset_i] = ~set[bitset_i];
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
817 if (SBC_MAX % BITSET_WORD_BITS != 0)
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
818 set[BITSET_WORDS - 1] =
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
819 ((((bitset_word_t) 1 << SBC_MAX % BITSET_WORD_BITS) - 1)
6214
afb93b90dcb8 Change bitset word type from unsigned int to unsigned long int,
Paul Eggert <eggert@cs.ucla.edu>
parents: 6206
diff changeset
820 & ~set[BITSET_WORDS - 1]);
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
821 }
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
822
17348
1fff19279ff9 regex: merge patches from libc
Paul Eggert <eggert@cs.ucla.edu>
parents: 17257
diff changeset
823 static void __attribute__ ((unused))
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
824 bitset_merge (bitset_t dest, const bitset_t src)
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
825 {
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
826 int bitset_i;
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
827 for (bitset_i = 0; bitset_i < BITSET_WORDS; ++bitset_i)
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
828 dest[bitset_i] |= src[bitset_i];
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
829 }
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
830
17348
1fff19279ff9 regex: merge patches from libc
Paul Eggert <eggert@cs.ucla.edu>
parents: 17257
diff changeset
831 static void __attribute__ ((unused))
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
832 bitset_mask (bitset_t dest, const bitset_t src)
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
833 {
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
834 int bitset_i;
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
835 for (bitset_i = 0; bitset_i < BITSET_WORDS; ++bitset_i)
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
836 dest[bitset_i] &= src[bitset_i];
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
837 }
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
838
6726
af9abbcedfbd Merge regex changes from libc, removing some of our
Paul Eggert <eggert@cs.ucla.edu>
parents: 6539
diff changeset
839 #ifdef RE_ENABLE_I18N
17192
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
840 /* Functions for re_string. */
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
841 static int
17348
1fff19279ff9 regex: merge patches from libc
Paul Eggert <eggert@cs.ucla.edu>
parents: 17257
diff changeset
842 internal_function __attribute__ ((pure, unused))
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
843 re_string_char_size_at (const re_string_t *pstr, Idx idx)
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
844 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
845 int byte_idx;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
846 if (pstr->mb_cur_max == 1)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
847 return 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
848 for (byte_idx = 1; idx + byte_idx < pstr->valid_len; ++byte_idx)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
849 if (pstr->wcs[idx + byte_idx] != WEOF)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
850 break;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
851 return byte_idx;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
852 }
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
853
17192
56ba760172b4 regex: no 'static inline'
Paul Eggert <eggert@cs.ucla.edu>
parents: 16950
diff changeset
854 static wint_t
17348
1fff19279ff9 regex: merge patches from libc
Paul Eggert <eggert@cs.ucla.edu>
parents: 17257
diff changeset
855 internal_function __attribute__ ((pure, unused))
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
856 re_string_wchar_at (const re_string_t *pstr, Idx idx)
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
857 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
858 if (pstr->mb_cur_max == 1)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
859 return (wint_t) pstr->mbs[idx];
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
860 return (wint_t) pstr->wcs[idx];
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
861 }
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
862
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
863 # ifndef NOT_IN_libc
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
864 static int
17348
1fff19279ff9 regex: merge patches from libc
Paul Eggert <eggert@cs.ucla.edu>
parents: 17257
diff changeset
865 internal_function __attribute__ ((pure, unused))
6184
f1728546eca4 On 64-bit hosts (where size_t is 64 bits and int is 32 bits), the
Paul Eggert <eggert@cs.ucla.edu>
parents: 6171
diff changeset
866 re_string_elem_size_at (const re_string_t *pstr, Idx idx)
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
867 {
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
868 # ifdef _LIBC
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
869 const unsigned char *p, *extra;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
870 const int32_t *table, *indirect;
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
871 # include <locale/weight.h>
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
872 uint_fast32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
873
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
874 if (nrules != 0)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
875 {
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
876 table = (const int32_t *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
877 extra = (const unsigned char *)
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
878 _NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAMB);
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
879 indirect = (const int32_t *) _NL_CURRENT (LC_COLLATE,
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
880 _NL_COLLATE_INDIRECTMB);
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
881 p = pstr->mbs + idx;
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
882 findidx (&p, pstr->len - idx);
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
883 return p - pstr->mbs - idx;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
884 }
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
885 else
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
886 # endif /* _LIBC */
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
887 return 1;
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
888 }
16361
ab59b5080051 regex: merge glibc changes
Paul Eggert <eggert@cs.ucla.edu>
parents: 16235
diff changeset
889 # endif
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
890 #endif /* RE_ENABLE_I18N */
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
891
12835
7217c0b5595d regex: fix build failure
Eric Blake <ebb9@byu.net>
parents: 12828
diff changeset
892 #ifndef __GNUC_PREREQ
7217c0b5595d regex: fix build failure
Eric Blake <ebb9@byu.net>
parents: 12828
diff changeset
893 # if defined __GNUC__ && defined __GNUC_MINOR__
7217c0b5595d regex: fix build failure
Eric Blake <ebb9@byu.net>
parents: 12828
diff changeset
894 # define __GNUC_PREREQ(maj, min) \
7217c0b5595d regex: fix build failure
Eric Blake <ebb9@byu.net>
parents: 12828
diff changeset
895 ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
7217c0b5595d regex: fix build failure
Eric Blake <ebb9@byu.net>
parents: 12828
diff changeset
896 # else
7217c0b5595d regex: fix build failure
Eric Blake <ebb9@byu.net>
parents: 12828
diff changeset
897 # define __GNUC_PREREQ(maj, min) 0
7217c0b5595d regex: fix build failure
Eric Blake <ebb9@byu.net>
parents: 12828
diff changeset
898 # endif
7217c0b5595d regex: fix build failure
Eric Blake <ebb9@byu.net>
parents: 12828
diff changeset
899 #endif
7217c0b5595d regex: fix build failure
Eric Blake <ebb9@byu.net>
parents: 12828
diff changeset
900
12828
6c20461f3ecf regex_internal.h: define __attribute_warn_unused_result__
Jim Meyering <meyering@redhat.com>
parents: 12567
diff changeset
901 #if __GNUC_PREREQ (3,4)
6c20461f3ecf regex_internal.h: define __attribute_warn_unused_result__
Jim Meyering <meyering@redhat.com>
parents: 12567
diff changeset
902 # undef __attribute_warn_unused_result__
6c20461f3ecf regex_internal.h: define __attribute_warn_unused_result__
Jim Meyering <meyering@redhat.com>
parents: 12567
diff changeset
903 # define __attribute_warn_unused_result__ \
6c20461f3ecf regex_internal.h: define __attribute_warn_unused_result__
Jim Meyering <meyering@redhat.com>
parents: 12567
diff changeset
904 __attribute__ ((__warn_unused_result__))
6c20461f3ecf regex_internal.h: define __attribute_warn_unused_result__
Jim Meyering <meyering@redhat.com>
parents: 12567
diff changeset
905 #else
6c20461f3ecf regex_internal.h: define __attribute_warn_unused_result__
Jim Meyering <meyering@redhat.com>
parents: 12567
diff changeset
906 # define __attribute_warn_unused_result__ /* empty */
6c20461f3ecf regex_internal.h: define __attribute_warn_unused_result__
Jim Meyering <meyering@redhat.com>
parents: 12567
diff changeset
907 #endif
6c20461f3ecf regex_internal.h: define __attribute_warn_unused_result__
Jim Meyering <meyering@redhat.com>
parents: 12567
diff changeset
908
5968
541fed6ae301 * modules/regex (Files): Add lib/regex_internal.c,
Paul Eggert <eggert@cs.ucla.edu>
parents:
diff changeset
909 #endif /* _REGEX_INTERNAL_H */