annotate src/regexp_nfa.c @ 27517:f00a7a2bee21 v8.2.4286

patch 8.2.4286: Vim9: strict type checking after copy() and deepcopy() Commit: https://github.com/vim/vim/commit/381692b6f1c2ec9b73a139500286ddc9347a1c01 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 2 20:01:27 2022 +0000 patch 8.2.4286: Vim9: strict type checking after copy() and deepcopy() Problem: Vim9: strict type checking after copy() and deepcopy(). Solution: Allow type to change after making a copy. (closes https://github.com/vim/vim/issues/9644)
author Bram Moolenaar <Bram@vim.org>
date Wed, 02 Feb 2022 21:15:03 +0100
parents fb4c30606b4a
children 2950c4144afe
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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2 *
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3 * NFA regular expression implementation.
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4 *
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5 * This file is included in "regexp.c".
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6 */
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7
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8 /*
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9 * Logging of NFA engine.
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10 *
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11 * The NFA engine can write four log files:
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12 * - Error log: Contains NFA engine's fatal errors.
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13 * - Dump log: Contains compiled NFA state machine's information.
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14 * - Run log: Contains information of matching procedure.
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15 * - Debug log: Contains detailed information of matching procedure. Can be
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16 * disabled by undefining NFA_REGEXP_DEBUG_LOG.
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17 * The first one can also be used without debug mode.
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18 * The last three are enabled when compiled as debug mode and individually
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19 * disabled by commenting them out.
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20 * The log files can get quite big!
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21 * To disable all of this when compiling Vim for debugging, undefine DEBUG in
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22 * regexp.c
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23 */
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24 #ifdef DEBUG
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25 # define NFA_REGEXP_ERROR_LOG "nfa_regexp_error.log"
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26 # define ENABLE_LOG
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27 # define NFA_REGEXP_DUMP_LOG "nfa_regexp_dump.log"
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28 # define NFA_REGEXP_RUN_LOG "nfa_regexp_run.log"
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29 # define NFA_REGEXP_DEBUG_LOG "nfa_regexp_debug.log"
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30 #endif
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31
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32 // Added to NFA_ANY - NFA_NUPPER_IC to include a NL.
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33 #define NFA_ADD_NL 31
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34
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35 enum
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36 {
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37 NFA_SPLIT = -1024,
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38 NFA_MATCH,
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39 NFA_EMPTY, // matches 0-length
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40
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41 NFA_START_COLL, // [abc] start
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42 NFA_END_COLL, // [abc] end
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43 NFA_START_NEG_COLL, // [^abc] start
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44 NFA_END_NEG_COLL, // [^abc] end (postfix only)
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45 NFA_RANGE, // range of the two previous items
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46 // (postfix only)
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47 NFA_RANGE_MIN, // low end of a range
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48 NFA_RANGE_MAX, // high end of a range
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49
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50 NFA_CONCAT, // concatenate two previous items (postfix
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51 // only)
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52 NFA_OR, // \| (postfix only)
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53 NFA_STAR, // greedy * (postfix only)
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54 NFA_STAR_NONGREEDY, // non-greedy * (postfix only)
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55 NFA_QUEST, // greedy \? (postfix only)
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56 NFA_QUEST_NONGREEDY, // non-greedy \? (postfix only)
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57
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58 NFA_BOL, // ^ Begin line
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59 NFA_EOL, // $ End line
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60 NFA_BOW, // \< Begin word
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61 NFA_EOW, // \> End word
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62 NFA_BOF, // \%^ Begin file
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63 NFA_EOF, // \%$ End file
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64 NFA_NEWL,
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65 NFA_ZSTART, // Used for \zs
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66 NFA_ZEND, // Used for \ze
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67 NFA_NOPEN, // Start of subexpression marked with \%(
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68 NFA_NCLOSE, // End of subexpr. marked with \%( ... \)
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69 NFA_START_INVISIBLE,
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70 NFA_START_INVISIBLE_FIRST,
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71 NFA_START_INVISIBLE_NEG,
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72 NFA_START_INVISIBLE_NEG_FIRST,
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73 NFA_START_INVISIBLE_BEFORE,
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74 NFA_START_INVISIBLE_BEFORE_FIRST,
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75 NFA_START_INVISIBLE_BEFORE_NEG,
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76 NFA_START_INVISIBLE_BEFORE_NEG_FIRST,
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77 NFA_START_PATTERN,
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78 NFA_END_INVISIBLE,
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79 NFA_END_INVISIBLE_NEG,
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80 NFA_END_PATTERN,
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81 NFA_COMPOSING, // Next nodes in NFA are part of the
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82 // composing multibyte char
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83 NFA_END_COMPOSING, // End of a composing char in the NFA
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84 NFA_ANY_COMPOSING, // \%C: Any composing characters.
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85 NFA_OPT_CHARS, // \%[abc]
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86
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87 // The following are used only in the postfix form, not in the NFA
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88 NFA_PREV_ATOM_NO_WIDTH, // Used for \@=
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89 NFA_PREV_ATOM_NO_WIDTH_NEG, // Used for \@!
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90 NFA_PREV_ATOM_JUST_BEFORE, // Used for \@<=
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91 NFA_PREV_ATOM_JUST_BEFORE_NEG, // Used for \@<!
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92 NFA_PREV_ATOM_LIKE_PATTERN, // Used for \@>
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93
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94 NFA_BACKREF1, // \1
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95 NFA_BACKREF2, // \2
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96 NFA_BACKREF3, // \3
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97 NFA_BACKREF4, // \4
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98 NFA_BACKREF5, // \5
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99 NFA_BACKREF6, // \6
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100 NFA_BACKREF7, // \7
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101 NFA_BACKREF8, // \8
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102 NFA_BACKREF9, // \9
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103 #ifdef FEAT_SYN_HL
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104 NFA_ZREF1, // \z1
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105 NFA_ZREF2, // \z2
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106 NFA_ZREF3, // \z3
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107 NFA_ZREF4, // \z4
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108 NFA_ZREF5, // \z5
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109 NFA_ZREF6, // \z6
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110 NFA_ZREF7, // \z7
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111 NFA_ZREF8, // \z8
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112 NFA_ZREF9, // \z9
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113 #endif
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114 NFA_SKIP, // Skip characters
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115
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116 NFA_MOPEN,
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117 NFA_MOPEN1,
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118 NFA_MOPEN2,
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119 NFA_MOPEN3,
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120 NFA_MOPEN4,
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121 NFA_MOPEN5,
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122 NFA_MOPEN6,
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123 NFA_MOPEN7,
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124 NFA_MOPEN8,
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125 NFA_MOPEN9,
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126
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127 NFA_MCLOSE,
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128 NFA_MCLOSE1,
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129 NFA_MCLOSE2,
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diff changeset
130 NFA_MCLOSE3,
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diff changeset
131 NFA_MCLOSE4,
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diff changeset
132 NFA_MCLOSE5,
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133 NFA_MCLOSE6,
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diff changeset
134 NFA_MCLOSE7,
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diff changeset
135 NFA_MCLOSE8,
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diff changeset
136 NFA_MCLOSE9,
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137
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138 #ifdef FEAT_SYN_HL
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diff changeset
139 NFA_ZOPEN,
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diff changeset
140 NFA_ZOPEN1,
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diff changeset
141 NFA_ZOPEN2,
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diff changeset
142 NFA_ZOPEN3,
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diff changeset
143 NFA_ZOPEN4,
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diff changeset
144 NFA_ZOPEN5,
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diff changeset
145 NFA_ZOPEN6,
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diff changeset
146 NFA_ZOPEN7,
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diff changeset
147 NFA_ZOPEN8,
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diff changeset
148 NFA_ZOPEN9,
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149
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150 NFA_ZCLOSE,
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diff changeset
151 NFA_ZCLOSE1,
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diff changeset
152 NFA_ZCLOSE2,
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diff changeset
153 NFA_ZCLOSE3,
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154 NFA_ZCLOSE4,
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diff changeset
155 NFA_ZCLOSE5,
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diff changeset
156 NFA_ZCLOSE6,
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diff changeset
157 NFA_ZCLOSE7,
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158 NFA_ZCLOSE8,
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159 NFA_ZCLOSE9,
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160 #endif
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161
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162 // NFA_FIRST_NL
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163 NFA_ANY, // Match any one character.
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164 NFA_IDENT, // Match identifier char
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165 NFA_SIDENT, // Match identifier char but no digit
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166 NFA_KWORD, // Match keyword char
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diff changeset
167 NFA_SKWORD, // Match word char but no digit
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diff changeset
168 NFA_FNAME, // Match file name char
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diff changeset
169 NFA_SFNAME, // Match file name char but no digit
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170 NFA_PRINT, // Match printable char
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diff changeset
171 NFA_SPRINT, // Match printable char but no digit
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172 NFA_WHITE, // Match whitespace char
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173 NFA_NWHITE, // Match non-whitespace char
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174 NFA_DIGIT, // Match digit char
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175 NFA_NDIGIT, // Match non-digit char
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176 NFA_HEX, // Match hex char
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177 NFA_NHEX, // Match non-hex char
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178 NFA_OCTAL, // Match octal char
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diff changeset
179 NFA_NOCTAL, // Match non-octal char
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180 NFA_WORD, // Match word char
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181 NFA_NWORD, // Match non-word char
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diff changeset
182 NFA_HEAD, // Match head char
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diff changeset
183 NFA_NHEAD, // Match non-head char
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184 NFA_ALPHA, // Match alpha char
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185 NFA_NALPHA, // Match non-alpha char
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186 NFA_LOWER, // Match lowercase char
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diff changeset
187 NFA_NLOWER, // Match non-lowercase char
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188 NFA_UPPER, // Match uppercase char
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189 NFA_NUPPER, // Match non-uppercase char
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190 NFA_LOWER_IC, // Match [a-z]
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191 NFA_NLOWER_IC, // Match [^a-z]
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diff changeset
192 NFA_UPPER_IC, // Match [A-Z]
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193 NFA_NUPPER_IC, // Match [^A-Z]
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194
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195 NFA_FIRST_NL = NFA_ANY + NFA_ADD_NL,
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196 NFA_LAST_NL = NFA_NUPPER_IC + NFA_ADD_NL,
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197
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198 NFA_CURSOR, // Match cursor pos
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199 NFA_LNUM, // Match line number
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200 NFA_LNUM_GT, // Match > line number
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201 NFA_LNUM_LT, // Match < line number
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202 NFA_COL, // Match cursor column
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diff changeset
203 NFA_COL_GT, // Match > cursor column
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diff changeset
204 NFA_COL_LT, // Match < cursor column
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diff changeset
205 NFA_VCOL, // Match cursor virtual column
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diff changeset
206 NFA_VCOL_GT, // Match > cursor virtual column
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diff changeset
207 NFA_VCOL_LT, // Match < cursor virtual column
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diff changeset
208 NFA_MARK, // Match mark
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diff changeset
209 NFA_MARK_GT, // Match > mark
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diff changeset
210 NFA_MARK_LT, // Match < mark
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diff changeset
211 NFA_VISUAL, // Match Visual area
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diff changeset
212
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213 // Character classes [:alnum:] etc
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214 NFA_CLASS_ALNUM,
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215 NFA_CLASS_ALPHA,
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diff changeset
216 NFA_CLASS_BLANK,
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diff changeset
217 NFA_CLASS_CNTRL,
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diff changeset
218 NFA_CLASS_DIGIT,
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diff changeset
219 NFA_CLASS_GRAPH,
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220 NFA_CLASS_LOWER,
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diff changeset
221 NFA_CLASS_PRINT,
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parents:
diff changeset
222 NFA_CLASS_PUNCT,
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parents:
diff changeset
223 NFA_CLASS_SPACE,
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diff changeset
224 NFA_CLASS_UPPER,
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diff changeset
225 NFA_CLASS_XDIGIT,
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diff changeset
226 NFA_CLASS_TAB,
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227 NFA_CLASS_RETURN,
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228 NFA_CLASS_BACKSPACE,
15709
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diff changeset
229 NFA_CLASS_ESCAPE,
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diff changeset
230 NFA_CLASS_IDENT,
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diff changeset
231 NFA_CLASS_KEYWORD,
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diff changeset
232 NFA_CLASS_FNAME
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233 };
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234
18812
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235 // Keep in sync with classchars.
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236 static int nfa_classcodes[] = {
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diff changeset
237 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD,
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diff changeset
238 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT,
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diff changeset
239 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT,
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diff changeset
240 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL,
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diff changeset
241 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD,
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diff changeset
242 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER,
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diff changeset
243 NFA_UPPER, NFA_NUPPER
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diff changeset
244 };
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diff changeset
245
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diff changeset
246 // Variables only used in nfa_regcomp() and descendants.
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diff changeset
247 static int nfa_re_flags; // re_flags passed to nfa_regcomp()
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diff changeset
248 static int *post_start; // holds the postfix form of r.e.
4444
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249 static int *post_end;
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diff changeset
250 static int *post_ptr;
23471
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diff changeset
251
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252 // Set when the pattern should use the NFA engine.
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253 // E.g. [[:upper:]] only allows 8bit characters for BT engine,
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254 // while NFA engine handles multibyte characters correctly.
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255 static int wants_nfa;
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diff changeset
256
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diff changeset
257 static int nstate; // Number of states in the NFA.
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diff changeset
258 static int istate; // Index in the state vector, used in alloc_state()
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259
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260 // If not NULL match must end at this position
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diff changeset
261 static save_se_T *nfa_endp = NULL;
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diff changeset
262
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diff changeset
263 // 0 for first call to nfa_regmatch(), 1 for recursive call.
4718
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diff changeset
264 static int nfa_ll_index = 0;
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265
7805
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266 static int realloc_post_list(void);
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diff changeset
267 static int nfa_reg(int paren);
4444
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268 #ifdef DEBUG
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diff changeset
269 static void nfa_print_state2(FILE *debugf, nfa_state_T *state, garray_T *indent);
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270 #endif
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diff changeset
271 static int match_follows(nfa_state_T *startstate, int depth);
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272 static int failure_chance(nfa_state_T *state, int depth);
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273
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274 // helper functions used when doing re2post() ... regatom() parsing
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275 #define EMIT(c) do { \
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diff changeset
276 if (post_ptr >= post_end && realloc_post_list() == FAIL) \
4444
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277 return FAIL; \
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278 *post_ptr++ = c; \
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279 } while (0)
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280
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281 /*
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diff changeset
282 * Initialize internal variables before NFA compilation.
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283 * Return OK on success, FAIL otherwise.
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284 */
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285 static int
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diff changeset
286 nfa_regcomp_start(
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diff changeset
287 char_u *expr,
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diff changeset
288 int re_flags) // see vim_regcomp()
4444
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289 {
4458
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290 size_t postfix_size;
4555
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291 int nstate_max;
4444
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292
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293 nstate = 0;
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294 istate = 0;
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295 // A reasonable estimation for maximum size
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296 nstate_max = (int)(STRLEN(expr) + 1) * 25;
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297
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298 // Some items blow up in size, such as [A-z]. Add more space for that.
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299 // When it is still not enough realloc_post_list() will be used.
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300 nstate_max += 1000;
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301
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302 // Size for postfix representation of expr.
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303 postfix_size = sizeof(int) * nstate_max;
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304
16825
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305 post_start = alloc(postfix_size);
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306 if (post_start == NULL)
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307 return FAIL;
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308 post_ptr = post_start;
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309 post_end = post_start + nstate_max;
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310 wants_nfa = FALSE;
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diff changeset
311 rex.nfa_has_zend = FALSE;
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312 rex.nfa_has_backref = FALSE;
4444
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313
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314 // shared with BT engine
4444
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315 regcomp_start(expr, re_flags);
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316
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317 return OK;
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318 }
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319
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320 /*
4772
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321 * Figure out if the NFA state list starts with an anchor, must match at start
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322 * of the line.
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323 */
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324 static int
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325 nfa_get_reganch(nfa_state_T *start, int depth)
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326 {
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327 nfa_state_T *p = start;
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328
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329 if (depth > 4)
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330 return 0;
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331
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332 while (p != NULL)
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333 {
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334 switch (p->c)
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335 {
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336 case NFA_BOL:
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337 case NFA_BOF:
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338 return 1; // yes!
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339
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340 case NFA_ZSTART:
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341 case NFA_ZEND:
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342 case NFA_CURSOR:
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343 case NFA_VISUAL:
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344
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345 case NFA_MOPEN:
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346 case NFA_MOPEN1:
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347 case NFA_MOPEN2:
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348 case NFA_MOPEN3:
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349 case NFA_MOPEN4:
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350 case NFA_MOPEN5:
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351 case NFA_MOPEN6:
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352 case NFA_MOPEN7:
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353 case NFA_MOPEN8:
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354 case NFA_MOPEN9:
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diff changeset
355 case NFA_NOPEN:
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356 #ifdef FEAT_SYN_HL
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357 case NFA_ZOPEN:
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358 case NFA_ZOPEN1:
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359 case NFA_ZOPEN2:
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360 case NFA_ZOPEN3:
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361 case NFA_ZOPEN4:
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362 case NFA_ZOPEN5:
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363 case NFA_ZOPEN6:
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364 case NFA_ZOPEN7:
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365 case NFA_ZOPEN8:
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366 case NFA_ZOPEN9:
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367 #endif
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368 p = p->out;
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369 break;
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370
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371 case NFA_SPLIT:
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372 return nfa_get_reganch(p->out, depth + 1)
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373 && nfa_get_reganch(p->out1, depth + 1);
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374
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375 default:
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376 return 0; // noooo
4772
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377 }
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378 }
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379 return 0;
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380 }
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381
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diff changeset
382 /*
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383 * Figure out if the NFA state list starts with a character which must match
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diff changeset
384 * at start of the match.
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385 */
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386 static int
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diff changeset
387 nfa_get_regstart(nfa_state_T *start, int depth)
4772
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388 {
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389 nfa_state_T *p = start;
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diff changeset
390
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391 if (depth > 4)
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392 return 0;
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diff changeset
393
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394 while (p != NULL)
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395 {
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396 switch (p->c)
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397 {
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398 // all kinds of zero-width matches
4772
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diff changeset
399 case NFA_BOL:
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diff changeset
400 case NFA_BOF:
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diff changeset
401 case NFA_BOW:
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diff changeset
402 case NFA_EOW:
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diff changeset
403 case NFA_ZSTART:
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diff changeset
404 case NFA_ZEND:
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parents: 4770
diff changeset
405 case NFA_CURSOR:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
406 case NFA_VISUAL:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
407 case NFA_LNUM:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
408 case NFA_LNUM_GT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
409 case NFA_LNUM_LT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
410 case NFA_COL:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
411 case NFA_COL_GT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
412 case NFA_COL_LT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
413 case NFA_VCOL:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
414 case NFA_VCOL_GT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
415 case NFA_VCOL_LT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
416 case NFA_MARK:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
417 case NFA_MARK_GT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
418 case NFA_MARK_LT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
419
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
420 case NFA_MOPEN:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
421 case NFA_MOPEN1:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
422 case NFA_MOPEN2:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
423 case NFA_MOPEN3:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
424 case NFA_MOPEN4:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
425 case NFA_MOPEN5:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
426 case NFA_MOPEN6:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
427 case NFA_MOPEN7:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
428 case NFA_MOPEN8:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
429 case NFA_MOPEN9:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
430 case NFA_NOPEN:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
431 #ifdef FEAT_SYN_HL
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
432 case NFA_ZOPEN:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
433 case NFA_ZOPEN1:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
434 case NFA_ZOPEN2:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
435 case NFA_ZOPEN3:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
436 case NFA_ZOPEN4:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
437 case NFA_ZOPEN5:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
438 case NFA_ZOPEN6:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
439 case NFA_ZOPEN7:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
440 case NFA_ZOPEN8:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
441 case NFA_ZOPEN9:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
442 #endif
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
443 p = p->out;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
444 break;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
445
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
446 case NFA_SPLIT:
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
447 {
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
448 int c1 = nfa_get_regstart(p->out, depth + 1);
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
449 int c2 = nfa_get_regstart(p->out1, depth + 1);
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
450
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
451 if (c1 == c2)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
452 return c1; // yes!
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
453 return 0;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
454 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
455
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
456 default:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
457 if (p->c > 0)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
458 return p->c; // yes!
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
459 return 0;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
460 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
461 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
462 return 0;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
463 }
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
464
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
465 /*
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
466 * Figure out if the NFA state list contains just literal text and nothing
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
467 * else. If so return a string in allocated memory with what must match after
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
468 * regstart. Otherwise return NULL.
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
469 */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
470 static char_u *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
471 nfa_get_match_text(nfa_state_T *start)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
472 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
473 nfa_state_T *p = start;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
474 int len = 0;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
475 char_u *ret;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
476 char_u *s;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
477
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
478 if (p->c != NFA_MOPEN)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
479 return NULL; // just in case
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
480 p = p->out;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
481 while (p->c > 0)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
482 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
483 len += MB_CHAR2LEN(p->c);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
484 p = p->out;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
485 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
486 if (p->c != NFA_MCLOSE || p->out->c != NFA_MATCH)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
487 return NULL;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
488
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
489 ret = alloc(len);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
490 if (ret != NULL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
491 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
492 p = start->out->out; // skip first char, it goes into regstart
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
493 s = ret;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
494 while (p->c > 0)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
495 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
496 if (has_mbyte)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
497 s += (*mb_char2bytes)(p->c, s);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
498 else
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
499 *s++ = p->c;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
500 p = p->out;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
501 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
502 *s = NUL;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
503 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
504 return ret;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
505 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
506
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
507 /*
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
508 * Allocate more space for post_start. Called when
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
509 * running above the estimated number of states.
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
510 */
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
511 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
512 realloc_post_list(void)
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
513 {
4667
9e7ef781d494 updated for version 7.3.1081
Bram Moolenaar <bram@vim.org>
parents: 4661
diff changeset
514 int nstate_max = (int)(post_end - post_start);
15904
fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow
Bram Moolenaar <Bram@vim.org>
parents: 15876
diff changeset
515 int new_max;
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
516 int *new_start;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
517 int *old_start;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
518
15904
fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow
Bram Moolenaar <Bram@vim.org>
parents: 15876
diff changeset
519 // For weird patterns the number of states can be very high. Increasing by
fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow
Bram Moolenaar <Bram@vim.org>
parents: 15876
diff changeset
520 // 50% seems a reasonable compromise between memory use and speed.
fec4416adb80 patch 8.1.0958: compiling weird regexp pattern is very slow
Bram Moolenaar <Bram@vim.org>
parents: 15876
diff changeset
521 new_max = nstate_max * 3 / 2;
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16782
diff changeset
522 new_start = ALLOC_MULT(int, new_max);
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
523 if (new_start == NULL)
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
524 return FAIL;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
525 mch_memmove(new_start, post_start, nstate_max * sizeof(int));
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
526 old_start = post_start;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
527 post_start = new_start;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
528 post_ptr = new_start + (post_ptr - old_start);
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
529 post_end = post_start + new_max;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
530 vim_free(old_start);
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
531 return OK;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
532 }
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
533
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
534 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
535 * Search between "start" and "end" and try to recognize a
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
536 * character class in expanded form. For example [0-9].
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
537 * On success, return the id the character class to be emitted.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
538 * On failure, return 0 (=FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
539 * Start points to the first char of the range, while end should point
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
540 * to the closing brace.
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
541 * Keep in mind that 'ignorecase' applies at execution time, thus [a-z] may
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
542 * need to be interpreted as [a-zA-Z].
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
543 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
544 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
545 nfa_recognize_char_class(char_u *start, char_u *end, int extra_newl)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
546 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
547 # define CLASS_not 0x80
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
548 # define CLASS_af 0x40
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
549 # define CLASS_AF 0x20
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
550 # define CLASS_az 0x10
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
551 # define CLASS_AZ 0x08
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
552 # define CLASS_o7 0x04
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
553 # define CLASS_o9 0x02
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
554 # define CLASS_underscore 0x01
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
555
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
556 int newl = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
557 char_u *p;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
558 int config = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
559
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
560 if (extra_newl == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
561 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
562
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
563 if (*end != ']')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
564 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
565 p = start;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
566 if (*p == '^')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
567 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
568 config |= CLASS_not;
4720
bd6bef0bd0fb updated for version 7.3.1107
Bram Moolenaar <bram@vim.org>
parents: 4718
diff changeset
569 p++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
570 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
571
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
572 while (p < end)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
573 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
574 if (p + 2 < end && *(p + 1) == '-')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
575 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
576 switch (*p)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
577 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
578 case '0':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
579 if (*(p + 2) == '9')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
580 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
581 config |= CLASS_o9;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
582 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
583 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
584 if (*(p + 2) == '7')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
585 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
586 config |= CLASS_o7;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
587 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
588 }
11469
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
Christian Brabandt <cb@256bit.org>
parents: 11269
diff changeset
589 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
Christian Brabandt <cb@256bit.org>
parents: 11269
diff changeset
590
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
591 case 'a':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
592 if (*(p + 2) == 'z')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
593 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
594 config |= CLASS_az;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
595 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
596 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
597 if (*(p + 2) == 'f')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
598 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
599 config |= CLASS_af;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
600 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
601 }
11469
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
Christian Brabandt <cb@256bit.org>
parents: 11269
diff changeset
602 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
Christian Brabandt <cb@256bit.org>
parents: 11269
diff changeset
603
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
604 case 'A':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
605 if (*(p + 2) == 'Z')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
606 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
607 config |= CLASS_AZ;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
608 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
609 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
610 if (*(p + 2) == 'F')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
611 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
612 config |= CLASS_AF;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
613 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
614 }
11469
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
Christian Brabandt <cb@256bit.org>
parents: 11269
diff changeset
615 return FAIL;
0ade9dd85156 patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
Christian Brabandt <cb@256bit.org>
parents: 11269
diff changeset
616
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
617 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
618 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
619 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
620 p += 3;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
621 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
622 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
623 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
624 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
625 p += 2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
626 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
627 else if (*p == '_')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
628 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
629 config |= CLASS_underscore;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
630 p ++;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
631 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
632 else if (*p == '\n')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
633 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
634 newl = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
635 p ++;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
636 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
637 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
638 return FAIL;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
639 } // while (p < end)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
640
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
641 if (p != end)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
642 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
643
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
644 if (newl == TRUE)
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
645 extra_newl = NFA_ADD_NL;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
646
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
647 switch (config)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
648 {
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
649 case CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
650 return extra_newl + NFA_DIGIT;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
651 case CLASS_not | CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
652 return extra_newl + NFA_NDIGIT;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
653 case CLASS_af | CLASS_AF | CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
654 return extra_newl + NFA_HEX;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
655 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
656 return extra_newl + NFA_NHEX;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
657 case CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
658 return extra_newl + NFA_OCTAL;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
659 case CLASS_not | CLASS_o7:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
660 return extra_newl + NFA_NOCTAL;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
661 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
662 return extra_newl + NFA_WORD;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
663 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
664 return extra_newl + NFA_NWORD;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
665 case CLASS_az | CLASS_AZ | CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
666 return extra_newl + NFA_HEAD;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
667 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
668 return extra_newl + NFA_NHEAD;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
669 case CLASS_az | CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
670 return extra_newl + NFA_ALPHA;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
671 case CLASS_not | CLASS_az | CLASS_AZ:
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
672 return extra_newl + NFA_NALPHA;
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
673 case CLASS_az:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
674 return extra_newl + NFA_LOWER_IC;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
675 case CLASS_not | CLASS_az:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
676 return extra_newl + NFA_NLOWER_IC;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
677 case CLASS_AZ:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
678 return extra_newl + NFA_UPPER_IC;
4728
43de4ebbe7ad updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents: 4726
diff changeset
679 case CLASS_not | CLASS_AZ:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
680 return extra_newl + NFA_NUPPER_IC;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
681 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
682 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
683 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
684
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
685 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
686 * Produce the bytes for equivalence class "c".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
687 * Currently only handles latin1, latin9 and utf-8.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
688 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
689 * equivalent to 'a OR b OR c'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
690 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
691 * NOTE! When changing this function, also update reg_equi_class()
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
692 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
693 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
694 nfa_emit_equi_class(int c)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
695 {
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
696 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT);
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15490
diff changeset
697
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
698 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
699 || STRCMP(p_enc, "iso-8859-15") == 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
700 {
27490
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
701 #define A_grave 0xc0
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
702 #define A_acute 0xc1
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
703 #define A_circumflex 0xc2
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
704 #define A_virguilla 0xc3
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
705 #define A_diaeresis 0xc4
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
706 #define A_ring 0xc5
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
707 #define C_cedilla 0xc7
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
708 #define E_grave 0xc8
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
709 #define E_acute 0xc9
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
710 #define E_circumflex 0xca
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
711 #define E_diaeresis 0xcb
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
712 #define I_grave 0xcc
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
713 #define I_acute 0xcd
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
714 #define I_circumflex 0xce
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
715 #define I_diaeresis 0xcf
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
716 #define N_virguilla 0xd1
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
717 #define O_grave 0xd2
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
718 #define O_acute 0xd3
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
719 #define O_circumflex 0xd4
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
720 #define O_virguilla 0xd5
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
721 #define O_diaeresis 0xd6
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
722 #define O_slash 0xd8
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
723 #define U_grave 0xd9
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
724 #define U_acute 0xda
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
725 #define U_circumflex 0xdb
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
726 #define U_diaeresis 0xdc
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
727 #define Y_acute 0xdd
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
728 #define a_grave 0xe0
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
729 #define a_acute 0xe1
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
730 #define a_circumflex 0xe2
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
731 #define a_virguilla 0xe3
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
732 #define a_diaeresis 0xe4
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
733 #define a_ring 0xe5
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
734 #define c_cedilla 0xe7
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
735 #define e_grave 0xe8
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
736 #define e_acute 0xe9
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
737 #define e_circumflex 0xea
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
738 #define e_diaeresis 0xeb
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
739 #define i_grave 0xec
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
740 #define i_acute 0xed
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
741 #define i_circumflex 0xee
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
742 #define i_diaeresis 0xef
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
743 #define n_virguilla 0xf1
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
744 #define o_grave 0xf2
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
745 #define o_acute 0xf3
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
746 #define o_circumflex 0xf4
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
747 #define o_virguilla 0xf5
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
748 #define o_diaeresis 0xf6
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
749 #define o_slash 0xf8
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
750 #define u_grave 0xf9
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
751 #define u_acute 0xfa
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
752 #define u_circumflex 0xfb
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
753 #define u_diaeresis 0xfc
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
754 #define y_acute 0xfd
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
755 #define y_diaeresis 0xff
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
756 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
757 {
8841
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents: 8021
diff changeset
758 case 'A': case A_grave: case A_acute: case A_circumflex:
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
759 case A_virguilla: case A_diaeresis: case A_ring:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
760 case 0x100: case 0x102: case 0x104: case 0x1cd:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
761 case 0x1de: case 0x1e0: case 0x1fa: case 0x200:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
762 case 0x202: case 0x226: case 0x23a: case 0x1e00:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
763 case 0x1ea0: case 0x1ea2: case 0x1ea4: case 0x1ea6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
764 case 0x1ea8: case 0x1eaa: case 0x1eac: case 0x1eae:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
765 case 0x1eb0: case 0x1eb2: case 0x1eb4: case 0x1eb6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
766 EMIT2('A') EMIT2(A_grave) EMIT2(A_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
767 EMIT2(A_circumflex) EMIT2(A_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
768 EMIT2(A_diaeresis) EMIT2(A_ring)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
769 EMIT2(0x100) EMIT2(0x102) EMIT2(0x104)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
770 EMIT2(0x1cd) EMIT2(0x1de) EMIT2(0x1e0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
771 EMIT2(0x1fa) EMIT2(0x200) EMIT2(0x202)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
772 EMIT2(0x226) EMIT2(0x23a) EMIT2(0x1e00)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
773 EMIT2(0x1ea0) EMIT2(0x1ea2) EMIT2(0x1ea4)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
774 EMIT2(0x1ea6) EMIT2(0x1ea8) EMIT2(0x1eaa)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
775 EMIT2(0x1eac) EMIT2(0x1eae) EMIT2(0x1eb0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
776 EMIT2(0x1eb2) EMIT2(0x1eb6) EMIT2(0x1eb4)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
777 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
778
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
779 case 'B': case 0x181: case 0x243: case 0x1e02:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
780 case 0x1e04: case 0x1e06:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
781 EMIT2('B')
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
782 EMIT2(0x181) EMIT2(0x243) EMIT2(0x1e02)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
783 EMIT2(0x1e04) EMIT2(0x1e06)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
784 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
785
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
786 case 'C': case C_cedilla: case 0x106: case 0x108:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
787 case 0x10a: case 0x10c: case 0x187: case 0x23b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
788 case 0x1e08: case 0xa792:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
789 EMIT2('C') EMIT2(C_cedilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
790 EMIT2(0x106) EMIT2(0x108) EMIT2(0x10a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
791 EMIT2(0x10c) EMIT2(0x187) EMIT2(0x23b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
792 EMIT2(0x1e08) EMIT2(0xa792)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
793 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
794
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
795 case 'D': case 0x10e: case 0x110: case 0x18a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
796 case 0x1e0a: case 0x1e0c: case 0x1e0e: case 0x1e10:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
797 case 0x1e12:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
798 EMIT2('D') EMIT2(0x10e) EMIT2(0x110) EMIT2(0x18a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
799 EMIT2(0x1e0a) EMIT2(0x1e0c) EMIT2(0x1e0e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
800 EMIT2(0x1e10) EMIT2(0x1e12)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
801 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
802
8841
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents: 8021
diff changeset
803 case 'E': case E_grave: case E_acute: case E_circumflex:
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
804 case E_diaeresis: case 0x112: case 0x114: case 0x116:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
805 case 0x118: case 0x11a: case 0x204: case 0x206:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
806 case 0x228: case 0x246: case 0x1e14: case 0x1e16:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
807 case 0x1e18: case 0x1e1a: case 0x1e1c: case 0x1eb8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
808 case 0x1eba: case 0x1ebc: case 0x1ebe: case 0x1ec0:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
809 case 0x1ec2: case 0x1ec4: case 0x1ec6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
810 EMIT2('E') EMIT2(E_grave) EMIT2(E_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
811 EMIT2(E_circumflex) EMIT2(E_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
812 EMIT2(0x112) EMIT2(0x114) EMIT2(0x116)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
813 EMIT2(0x118) EMIT2(0x11a) EMIT2(0x204)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
814 EMIT2(0x206) EMIT2(0x228) EMIT2(0x246)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
815 EMIT2(0x1e14) EMIT2(0x1e16) EMIT2(0x1e18)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
816 EMIT2(0x1e1a) EMIT2(0x1e1c) EMIT2(0x1eb8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
817 EMIT2(0x1eba) EMIT2(0x1ebc) EMIT2(0x1ebe)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
818 EMIT2(0x1ec0) EMIT2(0x1ec2) EMIT2(0x1ec4)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
819 EMIT2(0x1ec6)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
820 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
821
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
822 case 'F': case 0x191: case 0x1e1e: case 0xa798:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
823 EMIT2('F') EMIT2(0x191) EMIT2(0x1e1e) EMIT2(0xa798)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
824 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
825
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
826 case 'G': case 0x11c: case 0x11e: case 0x120:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
827 case 0x122: case 0x193: case 0x1e4: case 0x1e6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
828 case 0x1f4: case 0x1e20: case 0xa7a0:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
829 EMIT2('G') EMIT2(0x11c) EMIT2(0x11e) EMIT2(0x120)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
830 EMIT2(0x122) EMIT2(0x193) EMIT2(0x1e4)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
831 EMIT2(0x1e6) EMIT2(0x1f4) EMIT2(0x1e20)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
832 EMIT2(0xa7a0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
833 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
834
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
835 case 'H': case 0x124: case 0x126: case 0x21e:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
836 case 0x1e22: case 0x1e24: case 0x1e26: case 0x1e28:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
837 case 0x1e2a: case 0x2c67:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
838 EMIT2('H') EMIT2(0x124) EMIT2(0x126) EMIT2(0x21e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
839 EMIT2(0x1e22) EMIT2(0x1e24) EMIT2(0x1e26)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
840 EMIT2(0x1e28) EMIT2(0x1e2a) EMIT2(0x2c67)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
841 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
842
8841
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents: 8021
diff changeset
843 case 'I': case I_grave: case I_acute: case I_circumflex:
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
844 case I_diaeresis: case 0x128: case 0x12a: case 0x12c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
845 case 0x12e: case 0x130: case 0x197: case 0x1cf:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
846 case 0x208: case 0x20a: case 0x1e2c: case 0x1e2e:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
847 case 0x1ec8: case 0x1eca:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
848 EMIT2('I') EMIT2(I_grave) EMIT2(I_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
849 EMIT2(I_circumflex) EMIT2(I_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
850 EMIT2(0x128) EMIT2(0x12a) EMIT2(0x12c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
851 EMIT2(0x12e) EMIT2(0x130) EMIT2(0x197)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
852 EMIT2(0x1cf) EMIT2(0x208) EMIT2(0x20a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
853 EMIT2(0x1e2c) EMIT2(0x1e2e) EMIT2(0x1ec8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
854 EMIT2(0x1eca)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
855 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
856
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
857 case 'J': case 0x134: case 0x248:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
858 EMIT2('J') EMIT2(0x134) EMIT2(0x248)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
859 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
860
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
861 case 'K': case 0x136: case 0x198: case 0x1e8: case 0x1e30:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
862 case 0x1e32: case 0x1e34: case 0x2c69: case 0xa740:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
863 EMIT2('K') EMIT2(0x136) EMIT2(0x198) EMIT2(0x1e8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
864 EMIT2(0x1e30) EMIT2(0x1e32) EMIT2(0x1e34)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
865 EMIT2(0x2c69) EMIT2(0xa740)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
866 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
867
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
868 case 'L': case 0x139: case 0x13b: case 0x13d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
869 case 0x13f: case 0x141: case 0x23d: case 0x1e36:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
870 case 0x1e38: case 0x1e3a: case 0x1e3c: case 0x2c60:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
871 EMIT2('L') EMIT2(0x139) EMIT2(0x13b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
872 EMIT2(0x13d) EMIT2(0x13f) EMIT2(0x141)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
873 EMIT2(0x23d) EMIT2(0x1e36) EMIT2(0x1e38)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
874 EMIT2(0x1e3a) EMIT2(0x1e3c) EMIT2(0x2c60)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
875 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
876
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
877 case 'M': case 0x1e3e: case 0x1e40: case 0x1e42:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
878 EMIT2('M') EMIT2(0x1e3e) EMIT2(0x1e40)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
879 EMIT2(0x1e42)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
880 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
881
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
882 case 'N': case N_virguilla:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
883 case 0x143: case 0x145: case 0x147: case 0x1f8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
884 case 0x1e44: case 0x1e46: case 0x1e48: case 0x1e4a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
885 case 0xa7a4:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
886 EMIT2('N') EMIT2(N_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
887 EMIT2(0x143) EMIT2(0x145) EMIT2(0x147)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
888 EMIT2(0x1f8) EMIT2(0x1e44) EMIT2(0x1e46)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
889 EMIT2(0x1e48) EMIT2(0x1e4a) EMIT2(0xa7a4)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
890 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
891
8841
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents: 8021
diff changeset
892 case 'O': case O_grave: case O_acute: case O_circumflex:
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
893 case O_virguilla: case O_diaeresis: case O_slash:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
894 case 0x14c: case 0x14e: case 0x150: case 0x19f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
895 case 0x1a0: case 0x1d1: case 0x1ea: case 0x1ec:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
896 case 0x1fe: case 0x20c: case 0x20e: case 0x22a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
897 case 0x22c: case 0x22e: case 0x230: case 0x1e4c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
898 case 0x1e4e: case 0x1e50: case 0x1e52: case 0x1ecc:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
899 case 0x1ece: case 0x1ed0: case 0x1ed2: case 0x1ed4:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
900 case 0x1ed6: case 0x1ed8: case 0x1eda: case 0x1edc:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
901 case 0x1ede: case 0x1ee0: case 0x1ee2:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
902 EMIT2('O') EMIT2(O_grave) EMIT2(O_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
903 EMIT2(O_circumflex) EMIT2(O_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
904 EMIT2(O_diaeresis) EMIT2(O_slash)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
905 EMIT2(0x14c) EMIT2(0x14e) EMIT2(0x150)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
906 EMIT2(0x19f) EMIT2(0x1a0) EMIT2(0x1d1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
907 EMIT2(0x1ea) EMIT2(0x1ec) EMIT2(0x1fe)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
908 EMIT2(0x20c) EMIT2(0x20e) EMIT2(0x22a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
909 EMIT2(0x22c) EMIT2(0x22e) EMIT2(0x230)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
910 EMIT2(0x1e4c) EMIT2(0x1e4e) EMIT2(0x1e50)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
911 EMIT2(0x1e52) EMIT2(0x1ecc) EMIT2(0x1ece)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
912 EMIT2(0x1ed0) EMIT2(0x1ed2) EMIT2(0x1ed4)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
913 EMIT2(0x1ed6) EMIT2(0x1ed8) EMIT2(0x1eda)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
914 EMIT2(0x1edc) EMIT2(0x1ede) EMIT2(0x1ee0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
915 EMIT2(0x1ee2)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
916 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
917
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
918 case 'P': case 0x1a4: case 0x1e54: case 0x1e56: case 0x2c63:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
919 EMIT2('P') EMIT2(0x1a4) EMIT2(0x1e54) EMIT2(0x1e56)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
920 EMIT2(0x2c63)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
921 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
922
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
923 case 'Q': case 0x24a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
924 EMIT2('Q') EMIT2(0x24a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
925 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
926
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
927 case 'R': case 0x154: case 0x156: case 0x158: case 0x210:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
928 case 0x212: case 0x24c: case 0x1e58: case 0x1e5a:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
929 case 0x1e5c: case 0x1e5e: case 0x2c64: case 0xa7a6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
930 EMIT2('R') EMIT2(0x154) EMIT2(0x156) EMIT2(0x158)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
931 EMIT2(0x210) EMIT2(0x212) EMIT2(0x24c) EMIT2(0x1e58)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
932 EMIT2(0x1e5a) EMIT2(0x1e5c) EMIT2(0x1e5e) EMIT2(0x2c64)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
933 EMIT2(0xa7a6)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
934 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
935
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
936 case 'S': case 0x15a: case 0x15c: case 0x15e: case 0x160:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
937 case 0x218: case 0x1e60: case 0x1e62: case 0x1e64:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
938 case 0x1e66: case 0x1e68: case 0x2c7e: case 0xa7a8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
939 EMIT2('S') EMIT2(0x15a) EMIT2(0x15c) EMIT2(0x15e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
940 EMIT2(0x160) EMIT2(0x218) EMIT2(0x1e60) EMIT2(0x1e62)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
941 EMIT2(0x1e64) EMIT2(0x1e66) EMIT2(0x1e68) EMIT2(0x2c7e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
942 EMIT2(0xa7a8)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
943 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
944
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
945 case 'T': case 0x162: case 0x164: case 0x166: case 0x1ac:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
946 case 0x1ae: case 0x21a: case 0x23e: case 0x1e6a: case 0x1e6c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
947 case 0x1e6e: case 0x1e70:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
948 EMIT2('T') EMIT2(0x162) EMIT2(0x164) EMIT2(0x166)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
949 EMIT2(0x1ac) EMIT2(0x1ae) EMIT2(0x23e) EMIT2(0x21a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
950 EMIT2(0x1e6a) EMIT2(0x1e6c) EMIT2(0x1e6e) EMIT2(0x1e70)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
951 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
952
8841
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents: 8021
diff changeset
953 case 'U': case U_grave: case U_acute: case U_diaeresis:
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
954 case U_circumflex: case 0x168: case 0x16a: case 0x16c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
955 case 0x16e: case 0x170: case 0x172: case 0x1af:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
956 case 0x1d3: case 0x1d5: case 0x1d7: case 0x1d9:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
957 case 0x1db: case 0x214: case 0x216: case 0x244:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
958 case 0x1e72: case 0x1e74: case 0x1e76: case 0x1e78:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
959 case 0x1e7a: case 0x1ee4: case 0x1ee6: case 0x1ee8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
960 case 0x1eea: case 0x1eec: case 0x1eee: case 0x1ef0:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
961 EMIT2('U') EMIT2(U_grave) EMIT2(U_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
962 EMIT2(U_diaeresis) EMIT2(U_circumflex)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
963 EMIT2(0x168) EMIT2(0x16a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
964 EMIT2(0x16c) EMIT2(0x16e) EMIT2(0x170)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
965 EMIT2(0x172) EMIT2(0x1af) EMIT2(0x1d3)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
966 EMIT2(0x1d5) EMIT2(0x1d7) EMIT2(0x1d9)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
967 EMIT2(0x1db) EMIT2(0x214) EMIT2(0x216)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
968 EMIT2(0x244) EMIT2(0x1e72) EMIT2(0x1e74)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
969 EMIT2(0x1e76) EMIT2(0x1e78) EMIT2(0x1e7a)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
970 EMIT2(0x1ee4) EMIT2(0x1ee6) EMIT2(0x1ee8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
971 EMIT2(0x1eea) EMIT2(0x1eec) EMIT2(0x1eee)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
972 EMIT2(0x1ef0)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
973 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
974
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
975 case 'V': case 0x1b2: case 0x1e7c: case 0x1e7e:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
976 EMIT2('V') EMIT2(0x1b2) EMIT2(0x1e7c) EMIT2(0x1e7e)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
977 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
978
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
979 case 'W': case 0x174: case 0x1e80: case 0x1e82: case 0x1e84:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
980 case 0x1e86: case 0x1e88:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
981 EMIT2('W') EMIT2(0x174) EMIT2(0x1e80) EMIT2(0x1e82)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
982 EMIT2(0x1e84) EMIT2(0x1e86) EMIT2(0x1e88)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
983 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
984
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
985 case 'X': case 0x1e8a: case 0x1e8c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
986 EMIT2('X') EMIT2(0x1e8a) EMIT2(0x1e8c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
987 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
988
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
989 case 'Y': case Y_acute: case 0x176: case 0x178:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
990 case 0x1b3: case 0x232: case 0x24e: case 0x1e8e:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
991 case 0x1ef2: case 0x1ef4: case 0x1ef6: case 0x1ef8:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
992 EMIT2('Y') EMIT2(Y_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
993 EMIT2(0x176) EMIT2(0x178) EMIT2(0x1b3)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
994 EMIT2(0x232) EMIT2(0x24e) EMIT2(0x1e8e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
995 EMIT2(0x1ef2) EMIT2(0x1ef4) EMIT2(0x1ef6)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
996 EMIT2(0x1ef8)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
997 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
998
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
999 case 'Z': case 0x179: case 0x17b: case 0x17d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1000 case 0x1b5: case 0x1e90: case 0x1e92: case 0x1e94:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1001 case 0x2c6b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1002 EMIT2('Z') EMIT2(0x179) EMIT2(0x17b) EMIT2(0x17d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1003 EMIT2(0x1b5) EMIT2(0x1e90) EMIT2(0x1e92)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1004 EMIT2(0x1e94) EMIT2(0x2c6b)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1005 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1006
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1007 case 'a': case a_grave: case a_acute: case a_circumflex:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1008 case a_virguilla: case a_diaeresis: case a_ring:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1009 case 0x101: case 0x103: case 0x105: case 0x1ce:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1010 case 0x1df: case 0x1e1: case 0x1fb: case 0x201:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1011 case 0x203: case 0x227: case 0x1d8f: case 0x1e01:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1012 case 0x1e9a: case 0x1ea1: case 0x1ea3: case 0x1ea5:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1013 case 0x1ea7: case 0x1ea9: case 0x1eab: case 0x1ead:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1014 case 0x1eaf: case 0x1eb1: case 0x1eb3: case 0x1eb5:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1015 case 0x1eb7: case 0x2c65:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1016 EMIT2('a') EMIT2(a_grave) EMIT2(a_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1017 EMIT2(a_circumflex) EMIT2(a_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1018 EMIT2(a_diaeresis) EMIT2(a_ring)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1019 EMIT2(0x101) EMIT2(0x103) EMIT2(0x105)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1020 EMIT2(0x1ce) EMIT2(0x1df) EMIT2(0x1e1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1021 EMIT2(0x1fb) EMIT2(0x201) EMIT2(0x203)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1022 EMIT2(0x227) EMIT2(0x1d8f) EMIT2(0x1e01)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1023 EMIT2(0x1e9a) EMIT2(0x1ea1) EMIT2(0x1ea3)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1024 EMIT2(0x1ea5) EMIT2(0x1ea7) EMIT2(0x1ea9)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1025 EMIT2(0x1eab) EMIT2(0x1ead) EMIT2(0x1eaf)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1026 EMIT2(0x1eb1) EMIT2(0x1eb3) EMIT2(0x1eb5)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1027 EMIT2(0x1eb7) EMIT2(0x2c65)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1028 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1029
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1030 case 'b': case 0x180: case 0x253: case 0x1d6c: case 0x1d80:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1031 case 0x1e03: case 0x1e05: case 0x1e07:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1032 EMIT2('b') EMIT2(0x180) EMIT2(0x253) EMIT2(0x1d6c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1033 EMIT2(0x1d80) EMIT2(0x1e03) EMIT2(0x1e05) EMIT2(0x1e07)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1034 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1035
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1036 case 'c': case c_cedilla: case 0x107: case 0x109: case 0x10b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1037 case 0x10d: case 0x188: case 0x23c: case 0x1e09: case 0xa793:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1038 case 0xa794:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1039 EMIT2('c') EMIT2(c_cedilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1040 EMIT2(0x107) EMIT2(0x109) EMIT2(0x10b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1041 EMIT2(0x10d) EMIT2(0x188) EMIT2(0x23c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1042 EMIT2(0x1e09) EMIT2(0xa793) EMIT2(0xa794)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1043 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1044
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1045 case 'd': case 0x10f: case 0x111: case 0x257: case 0x1d6d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1046 case 0x1d81: case 0x1d91: case 0x1e0b: case 0x1e0d: case 0x1e0f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1047 case 0x1e11: case 0x1e13:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1048 EMIT2('d') EMIT2(0x10f) EMIT2(0x111)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1049 EMIT2(0x257) EMIT2(0x1d6d) EMIT2(0x1d81)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1050 EMIT2(0x1d91) EMIT2(0x1e0b) EMIT2(0x1e0d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1051 EMIT2(0x1e0f) EMIT2(0x1e11) EMIT2(0x1e13)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1052 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1053
8841
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents: 8021
diff changeset
1054 case 'e': case e_grave: case e_acute: case e_circumflex:
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1055 case e_diaeresis: case 0x113: case 0x115: case 0x117:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1056 case 0x119: case 0x11b: case 0x205: case 0x207:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1057 case 0x229: case 0x247: case 0x1d92: case 0x1e15:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1058 case 0x1e17: case 0x1e19: case 0x1e1b: case 0x1e1d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1059 case 0x1eb9: case 0x1ebb: case 0x1ebd: case 0x1ebf:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1060 case 0x1ec1: case 0x1ec3: case 0x1ec5: case 0x1ec7:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1061 EMIT2('e') EMIT2(e_grave) EMIT2(e_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1062 EMIT2(e_circumflex) EMIT2(e_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1063 EMIT2(0x113) EMIT2(0x115)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1064 EMIT2(0x117) EMIT2(0x119) EMIT2(0x11b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1065 EMIT2(0x205) EMIT2(0x207) EMIT2(0x229)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1066 EMIT2(0x247) EMIT2(0x1d92) EMIT2(0x1e15)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1067 EMIT2(0x1e17) EMIT2(0x1e19) EMIT2(0x1e1b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1068 EMIT2(0x1e1d) EMIT2(0x1eb9) EMIT2(0x1ebb)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1069 EMIT2(0x1ebd) EMIT2(0x1ebf) EMIT2(0x1ec1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1070 EMIT2(0x1ec3) EMIT2(0x1ec5) EMIT2(0x1ec7)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1071 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1072
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1073 case 'f': case 0x192: case 0x1d6e: case 0x1d82:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1074 case 0x1e1f: case 0xa799:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1075 EMIT2('f') EMIT2(0x192) EMIT2(0x1d6e) EMIT2(0x1d82)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1076 EMIT2(0x1e1f) EMIT2(0xa799)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1077 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1078
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1079 case 'g': case 0x11d: case 0x11f: case 0x121: case 0x123:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1080 case 0x1e5: case 0x1e7: case 0x1f5: case 0x260: case 0x1d83:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1081 case 0x1e21: case 0xa7a1:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1082 EMIT2('g') EMIT2(0x11d) EMIT2(0x11f) EMIT2(0x121)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1083 EMIT2(0x123) EMIT2(0x1e5) EMIT2(0x1e7)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1084 EMIT2(0x1f5) EMIT2(0x260) EMIT2(0x1d83)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1085 EMIT2(0x1e21) EMIT2(0xa7a1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1086 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1087
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1088 case 'h': case 0x125: case 0x127: case 0x21f: case 0x1e23:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1089 case 0x1e25: case 0x1e27: case 0x1e29: case 0x1e2b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1090 case 0x1e96: case 0x2c68: case 0xa795:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1091 EMIT2('h') EMIT2(0x125) EMIT2(0x127) EMIT2(0x21f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1092 EMIT2(0x1e23) EMIT2(0x1e25) EMIT2(0x1e27)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1093 EMIT2(0x1e29) EMIT2(0x1e2b) EMIT2(0x1e96)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1094 EMIT2(0x2c68) EMIT2(0xa795)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1095 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1096
8841
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents: 8021
diff changeset
1097 case 'i': case i_grave: case i_acute: case i_circumflex:
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1098 case i_diaeresis: case 0x129: case 0x12b: case 0x12d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1099 case 0x12f: case 0x1d0: case 0x209: case 0x20b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1100 case 0x268: case 0x1d96: case 0x1e2d: case 0x1e2f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1101 case 0x1ec9: case 0x1ecb:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1102 EMIT2('i') EMIT2(i_grave) EMIT2(i_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1103 EMIT2(i_circumflex) EMIT2(i_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1104 EMIT2(0x129) EMIT2(0x12b) EMIT2(0x12d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1105 EMIT2(0x12f) EMIT2(0x1d0) EMIT2(0x209)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1106 EMIT2(0x20b) EMIT2(0x268) EMIT2(0x1d96)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1107 EMIT2(0x1e2d) EMIT2(0x1e2f) EMIT2(0x1ec9)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1108 EMIT2(0x1ecb) EMIT2(0x1ecb)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1109 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1110
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1111 case 'j': case 0x135: case 0x1f0: case 0x249:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1112 EMIT2('j') EMIT2(0x135) EMIT2(0x1f0) EMIT2(0x249)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1113 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1114
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1115 case 'k': case 0x137: case 0x199: case 0x1e9: case 0x1d84:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1116 case 0x1e31: case 0x1e33: case 0x1e35: case 0x2c6a: case 0xa741:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1117 EMIT2('k') EMIT2(0x137) EMIT2(0x199) EMIT2(0x1e9)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1118 EMIT2(0x1d84) EMIT2(0x1e31) EMIT2(0x1e33)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1119 EMIT2(0x1e35) EMIT2(0x2c6a) EMIT2(0xa741)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1120 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1121
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1122 case 'l': case 0x13a: case 0x13c: case 0x13e: case 0x140:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1123 case 0x142: case 0x19a: case 0x1e37: case 0x1e39: case 0x1e3b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1124 case 0x1e3d: case 0x2c61:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1125 EMIT2('l') EMIT2(0x13a) EMIT2(0x13c)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1126 EMIT2(0x13e) EMIT2(0x140) EMIT2(0x142)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1127 EMIT2(0x19a) EMIT2(0x1e37) EMIT2(0x1e39)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1128 EMIT2(0x1e3b) EMIT2(0x1e3d) EMIT2(0x2c61)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1129 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1130
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1131 case 'm': case 0x1d6f: case 0x1e3f: case 0x1e41: case 0x1e43:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1132 EMIT2('m') EMIT2(0x1d6f) EMIT2(0x1e3f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1133 EMIT2(0x1e41) EMIT2(0x1e43)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1134 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1135
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1136 case 'n': case n_virguilla: case 0x144: case 0x146: case 0x148:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1137 case 0x149: case 0x1f9: case 0x1d70: case 0x1d87: case 0x1e45:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1138 case 0x1e47: case 0x1e49: case 0x1e4b: case 0xa7a5:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1139 EMIT2('n') EMIT2(n_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1140 EMIT2(0x144) EMIT2(0x146) EMIT2(0x148)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1141 EMIT2(0x149) EMIT2(0x1f9) EMIT2(0x1d70)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1142 EMIT2(0x1d87) EMIT2(0x1e45) EMIT2(0x1e47)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1143 EMIT2(0x1e49) EMIT2(0x1e4b) EMIT2(0xa7a5)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1144 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1145
8841
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents: 8021
diff changeset
1146 case 'o': case o_grave: case o_acute: case o_circumflex:
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1147 case o_virguilla: case o_diaeresis: case o_slash:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1148 case 0x14d: case 0x14f: case 0x151: case 0x1a1:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1149 case 0x1d2: case 0x1eb: case 0x1ed: case 0x1ff:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1150 case 0x20d: case 0x20f: case 0x22b: case 0x22d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1151 case 0x22f: case 0x231: case 0x275: case 0x1e4d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1152 case 0x1e4f: case 0x1e51: case 0x1e53: case 0x1ecd:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1153 case 0x1ecf: case 0x1ed1: case 0x1ed3: case 0x1ed5:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1154 case 0x1ed7: case 0x1ed9: case 0x1edb: case 0x1edd:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1155 case 0x1edf: case 0x1ee1: case 0x1ee3:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1156 EMIT2('o') EMIT2(o_grave) EMIT2(o_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1157 EMIT2(o_circumflex) EMIT2(o_virguilla)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1158 EMIT2(o_diaeresis) EMIT2(o_slash)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1159 EMIT2(0x14d) EMIT2(0x14f) EMIT2(0x151)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1160 EMIT2(0x1a1) EMIT2(0x1d2) EMIT2(0x1eb)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1161 EMIT2(0x1ed) EMIT2(0x1ff) EMIT2(0x20d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1162 EMIT2(0x20f) EMIT2(0x22b) EMIT2(0x22d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1163 EMIT2(0x22f) EMIT2(0x231) EMIT2(0x275)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1164 EMIT2(0x1e4d) EMIT2(0x1e4f) EMIT2(0x1e51)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1165 EMIT2(0x1e53) EMIT2(0x1ecd) EMIT2(0x1ecf)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1166 EMIT2(0x1ed1) EMIT2(0x1ed3) EMIT2(0x1ed5)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1167 EMIT2(0x1ed7) EMIT2(0x1ed9) EMIT2(0x1edb)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1168 EMIT2(0x1edd) EMIT2(0x1edf) EMIT2(0x1ee1)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1169 EMIT2(0x1ee3)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1170 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1171
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1172 case 'p': case 0x1a5: case 0x1d71: case 0x1d7d: case 0x1d88:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1173 case 0x1e55: case 0x1e57:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1174 EMIT2('p') EMIT2(0x1a5) EMIT2(0x1d71) EMIT2(0x1d7d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1175 EMIT2(0x1d88) EMIT2(0x1e55) EMIT2(0x1e57)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1176 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1177
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1178 case 'q': case 0x24b: case 0x2a0:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1179 EMIT2('q') EMIT2(0x24b) EMIT2(0x2a0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1180 return OK;
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1181
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1182 case 'r': case 0x155: case 0x157: case 0x159: case 0x211:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1183 case 0x213: case 0x24d: case 0x27d: case 0x1d72: case 0x1d73:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1184 case 0x1d89: case 0x1e59: case 0x1e5b: case 0x1e5d: case 0x1e5f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1185 case 0xa7a7:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1186 EMIT2('r') EMIT2(0x155) EMIT2(0x157) EMIT2(0x159)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1187 EMIT2(0x211) EMIT2(0x213) EMIT2(0x24d) EMIT2(0x27d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1188 EMIT2(0x1d72) EMIT2(0x1d73) EMIT2(0x1d89) EMIT2(0x1e59)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1189 EMIT2(0x1e5b) EMIT2(0x1e5d) EMIT2(0x1e5f) EMIT2(0xa7a7)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1190 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1191
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1192 case 's': case 0x15b: case 0x15d: case 0x15f: case 0x161:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1193 case 0x219: case 0x23f: case 0x1d74: case 0x1d8a: case 0x1e61:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1194 case 0x1e63: case 0x1e65: case 0x1e67: case 0x1e69: case 0xa7a9:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1195 EMIT2('s') EMIT2(0x15b) EMIT2(0x15d) EMIT2(0x15f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1196 EMIT2(0x161) EMIT2(0x219) EMIT2(0x23f) EMIT2(0x1d74)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1197 EMIT2(0x1d8a) EMIT2(0x1e61) EMIT2(0x1e63) EMIT2(0x1e65)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1198 EMIT2(0x1e67) EMIT2(0x1e69) EMIT2(0xa7a9)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1199 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1200
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1201 case 't': case 0x163: case 0x165: case 0x167: case 0x1ab:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1202 case 0x1ad: case 0x21b: case 0x288: case 0x1d75: case 0x1e6b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1203 case 0x1e6d: case 0x1e6f: case 0x1e71: case 0x1e97: case 0x2c66:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1204 EMIT2('t') EMIT2(0x163) EMIT2(0x165) EMIT2(0x167)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1205 EMIT2(0x1ab) EMIT2(0x1ad) EMIT2(0x21b) EMIT2(0x288)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1206 EMIT2(0x1d75) EMIT2(0x1e6b) EMIT2(0x1e6d) EMIT2(0x1e6f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1207 EMIT2(0x1e71) EMIT2(0x1e97) EMIT2(0x2c66)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1208 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1209
8841
f196308a2813 commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents: 8021
diff changeset
1210 case 'u': case u_grave: case u_acute: case u_circumflex:
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1211 case u_diaeresis: case 0x169: case 0x16b: case 0x16d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1212 case 0x16f: case 0x171: case 0x173: case 0x1b0: case 0x1d4:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1213 case 0x1d6: case 0x1d8: case 0x1da: case 0x1dc: case 0x215:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1214 case 0x217: case 0x289: case 0x1d7e: case 0x1d99: case 0x1e73:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1215 case 0x1e75: case 0x1e77: case 0x1e79: case 0x1e7b:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1216 case 0x1ee5: case 0x1ee7: case 0x1ee9: case 0x1eeb:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1217 case 0x1eed: case 0x1eef: case 0x1ef1:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1218 EMIT2('u') EMIT2(u_grave) EMIT2(u_acute)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1219 EMIT2(u_circumflex) EMIT2(u_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1220 EMIT2(0x169) EMIT2(0x16b)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1221 EMIT2(0x16d) EMIT2(0x16f) EMIT2(0x171)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1222 EMIT2(0x173) EMIT2(0x1d6) EMIT2(0x1d8)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1223 EMIT2(0x215) EMIT2(0x217) EMIT2(0x1b0)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1224 EMIT2(0x1d4) EMIT2(0x1da) EMIT2(0x1dc)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1225 EMIT2(0x289) EMIT2(0x1e73) EMIT2(0x1d7e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1226 EMIT2(0x1d99) EMIT2(0x1e75) EMIT2(0x1e77)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1227 EMIT2(0x1e79) EMIT2(0x1e7b) EMIT2(0x1ee5)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1228 EMIT2(0x1ee7) EMIT2(0x1ee9) EMIT2(0x1eeb)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1229 EMIT2(0x1eed) EMIT2(0x1eef) EMIT2(0x1ef1)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1230 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1231
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1232 case 'v': case 0x28b: case 0x1d8c: case 0x1e7d: case 0x1e7f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1233 EMIT2('v') EMIT2(0x28b) EMIT2(0x1d8c) EMIT2(0x1e7d)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1234 EMIT2(0x1e7f)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1235 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1236
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1237 case 'w': case 0x175: case 0x1e81: case 0x1e83: case 0x1e85:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1238 case 0x1e87: case 0x1e89: case 0x1e98:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1239 EMIT2('w') EMIT2(0x175) EMIT2(0x1e81) EMIT2(0x1e83)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1240 EMIT2(0x1e85) EMIT2(0x1e87) EMIT2(0x1e89) EMIT2(0x1e98)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1241 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1242
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1243 case 'x': case 0x1e8b: case 0x1e8d:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1244 EMIT2('x') EMIT2(0x1e8b) EMIT2(0x1e8d)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1245 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1246
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1247 case 'y': case y_acute: case y_diaeresis: case 0x177:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1248 case 0x1b4: case 0x233: case 0x24f: case 0x1e8f:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1249 case 0x1e99: case 0x1ef3: case 0x1ef5: case 0x1ef7:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1250 case 0x1ef9:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1251 EMIT2('y') EMIT2(y_acute) EMIT2(y_diaeresis)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1252 EMIT2(0x177) EMIT2(0x1b4) EMIT2(0x233) EMIT2(0x24f)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1253 EMIT2(0x1e8f) EMIT2(0x1e99) EMIT2(0x1ef3)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1254 EMIT2(0x1ef5) EMIT2(0x1ef7) EMIT2(0x1ef9)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1255 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1256
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1257 case 'z': case 0x17a: case 0x17c: case 0x17e: case 0x1b6:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1258 case 0x1d76: case 0x1d8e: case 0x1e91: case 0x1e93:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1259 case 0x1e95: case 0x2c6c:
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1260 EMIT2('z') EMIT2(0x17a) EMIT2(0x17c) EMIT2(0x17e)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1261 EMIT2(0x1b6) EMIT2(0x1d76) EMIT2(0x1d8e) EMIT2(0x1e91)
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1262 EMIT2(0x1e93) EMIT2(0x1e95) EMIT2(0x2c6c)
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1263 return OK;
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1264
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1265 // default: character itself
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1266 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1267 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1268
5351
923738744a60 updated for version 7.4.028
Bram Moolenaar <bram@vim.org>
parents: 5336
diff changeset
1269 EMIT2(c);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1270 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1271 #undef EMIT2
24351
585695c70392 patch 8.2.2716: the equivalent class regexp is missing some characters
Bram Moolenaar <Bram@vim.org>
parents: 23471
diff changeset
1272 #undef EMIT2
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1273 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1274
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1275 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1276 * Code to parse regular expression.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1277 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1278 * We try to reuse parsing functions in regexp.c to
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1279 * minimize surprise and keep the syntax consistent.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1280 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1281
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1282 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1283 * Parse the lowest level.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1284 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1285 * An atom can be one of a long list of items. Many atoms match one character
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1286 * in the text. It is often an ordinary character or a character class.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1287 * Braces can be used to make a pattern into an atom. The "\z(\)" construct
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1288 * is only for syntax highlighting.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1289 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1290 * atom ::= ordinary-atom
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1291 * or \( pattern \)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1292 * or \%( pattern \)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1293 * or \z( pattern \)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1294 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1295 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
1296 nfa_regatom(void)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1297 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1298 int c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1299 int charclass;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1300 int equiclass;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1301 int collclass;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1302 int got_coll_char;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1303 char_u *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1304 char_u *endp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1305 char_u *old_regparse = regparse;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1306 int extra = 0;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1307 int emit_range;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1308 int negated;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1309 int result;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1310 int startc = -1;
8021
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents: 7833
diff changeset
1311 int save_prev_at_start = prev_at_start;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1312
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1313 c = getchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1314 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1315 {
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1316 case NUL:
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
1317 EMSG_RET_FAIL(_(e_nfa_regexp_end_encountered_prematurely));
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1318
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1319 case Magic('^'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1320 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1321 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1322
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1323 case Magic('$'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1324 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1325 #if defined(FEAT_SYN_HL) || defined(PROTO)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1326 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1327 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1328 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1329
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1330 case Magic('<'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1331 EMIT(NFA_BOW);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1332 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1333
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1334 case Magic('>'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1335 EMIT(NFA_EOW);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1336 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1337
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1338 case Magic('_'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1339 c = no_Magic(getchr());
5511
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1340 if (c == NUL)
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
1341 EMSG_RET_FAIL(_(e_nfa_regexp_end_encountered_prematurely));
5511
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1342
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1343 if (c == '^') // "\_^" is start-of-line
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1344 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1345 EMIT(NFA_BOL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1346 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1347 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1348 if (c == '$') // "\_$" is end-of-line
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1349 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1350 EMIT(NFA_EOL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1351 #if defined(FEAT_SYN_HL) || defined(PROTO)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1352 had_eol = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1353 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1354 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1355 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1356
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1357 extra = NFA_ADD_NL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1358
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1359 // "\_[" is collection plus newline
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1360 if (c == '[')
4517
9a2183bd8295 updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents: 4515
diff changeset
1361 goto collection;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1362
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1363 // "\_x" is character class plus newline
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1364 // FALLTHROUGH
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1365
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1366 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1367 * Character classes.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1368 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1369 case Magic('.'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1370 case Magic('i'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1371 case Magic('I'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1372 case Magic('k'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1373 case Magic('K'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1374 case Magic('f'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1375 case Magic('F'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1376 case Magic('p'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1377 case Magic('P'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1378 case Magic('s'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1379 case Magic('S'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1380 case Magic('d'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1381 case Magic('D'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1382 case Magic('x'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1383 case Magic('X'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1384 case Magic('o'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1385 case Magic('O'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1386 case Magic('w'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1387 case Magic('W'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1388 case Magic('h'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1389 case Magic('H'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1390 case Magic('a'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1391 case Magic('A'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1392 case Magic('l'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1393 case Magic('L'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1394 case Magic('u'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1395 case Magic('U'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1396 p = vim_strchr(classchars, no_Magic(c));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1397 if (p == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1398 {
5511
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1399 if (extra == NFA_ADD_NL)
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1400 {
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
1401 semsg(_(e_nfa_regexp_invalid_character_class_nr), c);
5511
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1402 rc_did_emsg = TRUE;
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1403 return FAIL;
dd7d1a86b311 updated for version 7.4.104
Bram Moolenaar <bram@vim.org>
parents: 5502
diff changeset
1404 }
15490
98c35d312987 patch 8.1.0753: printf format not checked for semsg()
Bram Moolenaar <Bram@vim.org>
parents: 15470
diff changeset
1405 siemsg("INTERNAL: Unknown character class char: %d", c);
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
1406 return FAIL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1407 }
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15490
diff changeset
1408
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1409 // When '.' is followed by a composing char ignore the dot, so that
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1410 // the composing char is matched here.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1411 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr()))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1412 {
4535
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
1413 old_regparse = regparse;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1414 c = getchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1415 goto nfa_do_multibyte;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1416 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1417 EMIT(nfa_classcodes[p - classchars]);
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1418 if (extra == NFA_ADD_NL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1419 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1420 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1421 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1422 regflags |= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1423 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1424 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1425
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1426 case Magic('n'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1427 if (reg_string)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1428 // In a string "\n" matches a newline character.
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1429 EMIT(NL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1430 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1431 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1432 // In buffer text "\n" matches the end of a line.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1433 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1434 regflags |= RF_HASNL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1435 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1436 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1437
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1438 case Magic('('):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1439 if (nfa_reg(REG_PAREN) == FAIL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1440 return FAIL; // cascaded error
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1441 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1442
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1443 case Magic('|'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1444 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1445 case Magic(')'):
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
1446 semsg(_(e_nfa_regexp_misplaced_chr), no_Magic(c));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1447 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1448
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1449 case Magic('='):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1450 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1451 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1452 case Magic('@'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1453 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1454 case Magic('{'):
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1455 // these should follow an atom, not form an atom
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
1456 semsg(_(e_nfa_regexp_misplaced_chr), no_Magic(c));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1457 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1458
4714
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1459 case Magic('~'):
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1460 {
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1461 char_u *lp;
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1462
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1463 // Previous substitute pattern.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1464 // Generated as "\%(pattern\)".
4714
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1465 if (reg_prev_sub == NULL)
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1466 {
25306
078edc1821bf patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25178
diff changeset
1467 emsg(_(e_no_previous_substitute_regular_expression));
4714
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1468 return FAIL;
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1469 }
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
1470 for (lp = reg_prev_sub; *lp != NUL; MB_CPTR_ADV(lp))
4714
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1471 {
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1472 EMIT(PTR2CHAR(lp));
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1473 if (lp != reg_prev_sub)
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1474 EMIT(NFA_CONCAT);
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1475 }
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1476 EMIT(NFA_NOPEN);
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1477 break;
fc4d7f02ea3a updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents: 4712
diff changeset
1478 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1479
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1480 case Magic('1'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1481 case Magic('2'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1482 case Magic('3'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1483 case Magic('4'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1484 case Magic('5'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1485 case Magic('6'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1486 case Magic('7'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1487 case Magic('8'):
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1488 case Magic('9'):
11525
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents: 11521
diff changeset
1489 {
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents: 11521
diff changeset
1490 int refnum = no_Magic(c) - '1';
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents: 11521
diff changeset
1491
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents: 11521
diff changeset
1492 if (!seen_endbrace(refnum + 1))
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents: 11521
diff changeset
1493 return FAIL;
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents: 11521
diff changeset
1494 EMIT(NFA_BACKREF1 + refnum);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
1495 rex.nfa_has_backref = TRUE;
11525
14b6b79d685b patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents: 11521
diff changeset
1496 }
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
1497 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1498
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1499 case Magic('z'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1500 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1501 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1502 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1503 case 's':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1504 EMIT(NFA_ZSTART);
6170
3ee39fe2df7d updated for version 7.4.421
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
1505 if (re_mult_next("\\zs") == FAIL)
3ee39fe2df7d updated for version 7.4.421
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
1506 return FAIL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1507 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1508 case 'e':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1509 EMIT(NFA_ZEND);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
1510 rex.nfa_has_zend = TRUE;
6170
3ee39fe2df7d updated for version 7.4.421
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
1511 if (re_mult_next("\\ze") == FAIL)
3ee39fe2df7d updated for version 7.4.421
Bram Moolenaar <bram@vim.org>
parents: 5901
diff changeset
1512 return FAIL;
4569
f262fb02889d updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents: 4567
diff changeset
1513 break;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1514 #ifdef FEAT_SYN_HL
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1515 case '1':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1516 case '2':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1517 case '3':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1518 case '4':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1519 case '5':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1520 case '6':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1521 case '7':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1522 case '8':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1523 case '9':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1524 // \z1...\z9
14161
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 14159
diff changeset
1525 if ((reg_do_extmatch & REX_USE) == 0)
26436
ef0c07cbf53f patch 8.2.3749: error messages are everywhere
Bram Moolenaar <Bram@vim.org>
parents: 26161
diff changeset
1526 EMSG_RET_FAIL(_(e_z1_z9_not_allowed_here));
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1527 EMIT(NFA_ZREF1 + (no_Magic(c) - '1'));
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1528 // No need to set rex.nfa_has_backref, the sub-matches don't
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1529 // change when \z1 .. \z9 matches or not.
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1530 re_has_z = REX_USE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1531 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1532 case '(':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1533 // \z(
14161
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 14159
diff changeset
1534 if ((reg_do_extmatch & REX_SET) == 0)
26436
ef0c07cbf53f patch 8.2.3749: error messages are everywhere
Bram Moolenaar <Bram@vim.org>
parents: 26161
diff changeset
1535 EMSG_RET_FAIL(_(e_z_not_allowed_here));
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1536 if (nfa_reg(REG_ZPAREN) == FAIL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1537 return FAIL; // cascaded error
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1538 re_has_z = REX_SET;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1539 break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
1540 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1541 default:
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
1542 semsg(_(e_nfa_regexp_unknown_operator_z_chr), no_Magic(c));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1543 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1544 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1545 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1546
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1547 case Magic('%'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1548 c = no_Magic(getchr());
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1549 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1550 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1551 // () without a back reference
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1552 case '(':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1553 if (nfa_reg(REG_NPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1554 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1555 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1556 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1557
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1558 case 'd': // %d123 decimal
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1559 case 'o': // %o123 octal
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1560 case 'x': // %xab hex 2
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1561 case 'u': // %uabcd hex 4
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1562 case 'U': // %U1234abcd hex 8
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1563 {
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
1564 long nr;
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1565
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1566 switch (c)
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1567 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1568 case 'd': nr = getdecchrs(); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1569 case 'o': nr = getoctchrs(); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1570 case 'x': nr = gethexchrs(2); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1571 case 'u': nr = gethexchrs(4); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1572 case 'U': nr = gethexchrs(8); break;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
1573 default: nr = -1; break;
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1574 }
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1575
15924
98d315176d48 patch 8.1.0968: crash when using search pattern %Ufffffc23
Bram Moolenaar <Bram@vim.org>
parents: 15904
diff changeset
1576 if (nr < 0 || nr > INT_MAX)
26952
b34ddbca305c patch 8.2.4005: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26883
diff changeset
1577 EMSG2_RET_FAIL(_(e_invalid_character_after_str_2),
b34ddbca305c patch 8.2.4005: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26883
diff changeset
1578 reg_magic == MAGIC_ALL);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1579 // A NUL is stored in the text as NL
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1580 // TODO: what if a composing character follows?
5360
71e92a1cb37d updated for version 7.4.032
Bram Moolenaar <bram@vim.org>
parents: 5351
diff changeset
1581 EMIT(nr == 0 ? 0x0a : nr);
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
1582 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1583 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1584
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1585 // Catch \%^ and \%$ regardless of where they appear in the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1586 // pattern -- regardless of whether or not it makes sense.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1587 case '^':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1588 EMIT(NFA_BOF);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1589 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1590
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1591 case '$':
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1592 EMIT(NFA_EOF);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1593 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1594
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1595 case '#':
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1596 EMIT(NFA_CURSOR);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1597 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1598
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1599 case 'V':
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
1600 EMIT(NFA_VISUAL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1601 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1602
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
1603 case 'C':
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
1604 EMIT(NFA_ANY_COMPOSING);
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
1605 break;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
1606
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1607 case '[':
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1608 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1609 int n;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1610
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1611 // \%[abc]
4944
613651492c19 updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents: 4938
diff changeset
1612 for (n = 0; (c = peekchr()) != ']'; ++n)
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1613 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1614 if (c == NUL)
26436
ef0c07cbf53f patch 8.2.3749: error messages are everywhere
Bram Moolenaar <Bram@vim.org>
parents: 26161
diff changeset
1615 EMSG2_RET_FAIL(_(e_missing_sb_after_str),
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1616 reg_magic == MAGIC_ALL);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1617 // recursive call!
4944
613651492c19 updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents: 4938
diff changeset
1618 if (nfa_regatom() == FAIL)
613651492c19 updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents: 4938
diff changeset
1619 return FAIL;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1620 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1621 getchr(); // get the ]
4760
532a9855bd30 updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents: 4758
diff changeset
1622 if (n == 0)
26436
ef0c07cbf53f patch 8.2.3749: error messages are everywhere
Bram Moolenaar <Bram@vim.org>
parents: 26161
diff changeset
1623 EMSG2_RET_FAIL(_(e_empty_str_brackets),
4760
532a9855bd30 updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents: 4758
diff changeset
1624 reg_magic == MAGIC_ALL);
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1625 EMIT(NFA_OPT_CHARS);
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1626 EMIT(n);
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1627
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1628 // Emit as "\%(\%[abc]\)" to be able to handle
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1629 // "\%[abc]*" which would cause the empty string to be
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1630 // matched an unlimited number of times. NFA_NOPEN is
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1631 // added only once at a position, while NFA_SPLIT is
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1632 // added multiple times. This is more efficient than
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1633 // not allowing NFA_SPLIT multiple times, it is used
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1634 // a lot.
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
1635 EMIT(NFA_NOPEN);
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1636 break;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1637 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
1638
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1639 default:
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1640 {
20677
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
1641 long_u n = 0;
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1642 int cmp = c;
25147
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1643 int cur = FALSE;
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1644
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1645 if (c == '<' || c == '>')
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1646 c = getchr();
25147
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1647 if (no_Magic(c) == '.')
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1648 {
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1649 cur = TRUE;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1650 c = getchr();
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1651 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1652 while (VIM_ISDIGIT(c))
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1653 {
25147
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1654 long_u tmp;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1655
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1656 if (cur)
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1657 semsg(_(e_regexp_number_after_dot_pos_search),
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1658 no_Magic(c));
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1659 tmp = n * 10 + (c - '0');
20677
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
1660
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
1661 if (tmp < n)
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
1662 {
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
1663 // overflow.
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
1664 emsg(_(e_percent_value_too_large));
20677
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
1665 return FAIL;
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
1666 }
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
1667 n = tmp;
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1668 c = getchr();
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1669 }
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1670 if (c == 'l' || c == 'c' || c == 'v')
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1671 {
20677
ab0dc036f586 patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents: 20007
diff changeset
1672 long_u limit = INT_MAX;
15802
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents: 15800
diff changeset
1673
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1674 if (c == 'l')
8021
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents: 7833
diff changeset
1675 {
25147
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1676 if (cur)
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1677 n = curwin->w_cursor.lnum;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1678 // \%{n}l \%{n}<l \%{n}>l
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1679 EMIT(cmp == '<' ? NFA_LNUM_LT :
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1680 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM);
8021
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents: 7833
diff changeset
1681 if (save_prev_at_start)
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents: 7833
diff changeset
1682 at_start = TRUE;
b6b4f354df23 commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents: 7833
diff changeset
1683 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1684 else if (c == 'c')
25147
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1685 {
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1686 if (cur)
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1687 {
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1688 n = curwin->w_cursor.col;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1689 n++;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1690 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1691 // \%{n}c \%{n}<c \%{n}>c
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1692 EMIT(cmp == '<' ? NFA_COL_LT :
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1693 cmp == '>' ? NFA_COL_GT : NFA_COL);
25147
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1694 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1695 else
15802
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents: 15800
diff changeset
1696 {
25147
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1697 if (cur)
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1698 {
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1699 colnr_T vcol = 0;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1700
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1701 getvvcol(curwin, &curwin->w_cursor,
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1702 NULL, NULL, &vcol);
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1703 n = ++vcol;
10b269321459 patch 8.2.3110: a pattern that matches the cursor position is complicated
Bram Moolenaar <Bram@vim.org>
parents: 24693
diff changeset
1704 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1705 // \%{n}v \%{n}<v \%{n}>v
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1706 EMIT(cmp == '<' ? NFA_VCOL_LT :
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1707 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL);
15802
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents: 15800
diff changeset
1708 limit = INT_MAX / MB_MAXBYTES;
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents: 15800
diff changeset
1709 }
f043c8931585 patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents: 15800
diff changeset
1710 if (n >= limit)
13192
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
1711 {
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
1712 emsg(_(e_percent_value_too_large));
13192
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
1713 return FAIL;
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
1714 }
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
1715 EMIT((int)n);
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1716 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1717 }
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1718 else if (c == '\'' && n == 0)
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1719 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1720 // \%'m \%<'m \%>'m
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1721 EMIT(cmp == '<' ? NFA_MARK_LT :
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1722 cmp == '>' ? NFA_MARK_GT : NFA_MARK);
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
1723 EMIT(getchr());
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1724 break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
1725 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
1726 }
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
1727 semsg(_(e_nfa_regexp_unknown_operator_percent_chr), no_Magic(c));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1728 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1729 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1730 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1731
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1732 case Magic('['):
4517
9a2183bd8295 updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents: 4515
diff changeset
1733 collection:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1734 /*
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1735 * [abc] uses NFA_START_COLL - NFA_END_COLL
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1736 * [^abc] uses NFA_START_NEG_COLL - NFA_END_NEG_COLL
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1737 * Each character is produced as a regular state, using
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1738 * NFA_CONCAT to bind them together.
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1739 * Besides normal characters there can be:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1740 * - character classes NFA_CLASS_*
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1741 * - ranges, two characters followed by NFA_RANGE.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1742 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1743
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1744 p = regparse;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1745 endp = skip_anyof(p);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1746 if (*endp == ']')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1747 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1748 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1749 * Try to reverse engineer character classes. For example,
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1750 * recognize that [0-9] stands for \d and [A-Za-z_] for \h,
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1751 * and perform the necessary substitutions in the NFA.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1752 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1753 result = nfa_recognize_char_class(regparse, endp,
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1754 extra == NFA_ADD_NL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1755 if (result != FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1756 {
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1757 if (result >= NFA_FIRST_NL && result <= NFA_LAST_NL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1758 {
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1759 EMIT(result - NFA_ADD_NL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1760 EMIT(NFA_NEWL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1761 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1762 }
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1763 else
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
1764 EMIT(result);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1765 regparse = endp;
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
1766 MB_PTR_ADV(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1767 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1768 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1769 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1770 * Failed to recognize a character class. Use the simple
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1771 * version that turns [abc] into 'a' OR 'b' OR 'c'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1772 */
25178
0797c8ce343d patch 8.2.3125: variables are set but not used
Bram Moolenaar <Bram@vim.org>
parents: 25147
diff changeset
1773 startc = -1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1774 negated = FALSE;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1775 if (*regparse == '^') // negated range
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1776 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1777 negated = TRUE;
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
1778 MB_PTR_ADV(regparse);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1779 EMIT(NFA_START_NEG_COLL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1780 }
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1781 else
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1782 EMIT(NFA_START_COLL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1783 if (*regparse == '-')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1784 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1785 startc = '-';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1786 EMIT(startc);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1787 EMIT(NFA_CONCAT);
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
1788 MB_PTR_ADV(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1789 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1790 // Emit the OR branches for each character in the []
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1791 emit_range = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1792 while (regparse < endp)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1793 {
25178
0797c8ce343d patch 8.2.3125: variables are set but not used
Bram Moolenaar <Bram@vim.org>
parents: 25147
diff changeset
1794 int oldstartc = startc;
0797c8ce343d patch 8.2.3125: variables are set but not used
Bram Moolenaar <Bram@vim.org>
parents: 25147
diff changeset
1795
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1796 startc = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1797 got_coll_char = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1798 if (*regparse == '[')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1799 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1800 // Check for [: :], [= =], [. .]
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1801 equiclass = collclass = 0;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1802 charclass = get_char_class(&regparse);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1803 if (charclass == CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1804 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1805 equiclass = get_equi_class(&regparse);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1806 if (equiclass == 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1807 collclass = get_coll_element(&regparse);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1808 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1809
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1810 // Character class like [:alpha:]
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1811 if (charclass != CLASS_NONE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1812 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1813 switch (charclass)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1814 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1815 case CLASS_ALNUM:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1816 EMIT(NFA_CLASS_ALNUM);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1817 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1818 case CLASS_ALPHA:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1819 EMIT(NFA_CLASS_ALPHA);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1820 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1821 case CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1822 EMIT(NFA_CLASS_BLANK);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1823 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1824 case CLASS_CNTRL:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1825 EMIT(NFA_CLASS_CNTRL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1826 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1827 case CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1828 EMIT(NFA_CLASS_DIGIT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1829 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1830 case CLASS_GRAPH:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1831 EMIT(NFA_CLASS_GRAPH);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1832 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1833 case CLASS_LOWER:
23471
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 23270
diff changeset
1834 wants_nfa = TRUE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1835 EMIT(NFA_CLASS_LOWER);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1836 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1837 case CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1838 EMIT(NFA_CLASS_PRINT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1839 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1840 case CLASS_PUNCT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1841 EMIT(NFA_CLASS_PUNCT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1842 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1843 case CLASS_SPACE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1844 EMIT(NFA_CLASS_SPACE);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1845 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1846 case CLASS_UPPER:
23471
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 23270
diff changeset
1847 wants_nfa = TRUE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1848 EMIT(NFA_CLASS_UPPER);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1849 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1850 case CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1851 EMIT(NFA_CLASS_XDIGIT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1852 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1853 case CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1854 EMIT(NFA_CLASS_TAB);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1855 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1856 case CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1857 EMIT(NFA_CLASS_RETURN);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1858 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1859 case CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1860 EMIT(NFA_CLASS_BACKSPACE);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1861 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1862 case CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1863 EMIT(NFA_CLASS_ESCAPE);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1864 break;
15709
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1865 case CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1866 EMIT(NFA_CLASS_IDENT);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1867 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1868 case CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1869 EMIT(NFA_CLASS_KEYWORD);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1870 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1871 case CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1872 EMIT(NFA_CLASS_FNAME);
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
1873 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1874 }
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1875 EMIT(NFA_CONCAT);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1876 continue;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1877 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1878 // Try equivalence class [=a=] and the like
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1879 if (equiclass != 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1880 {
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1881 result = nfa_emit_equi_class(equiclass);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1882 if (result == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1883 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1884 // should never happen
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
1885 EMSG_RET_FAIL(_(e_error_building_nfa_with_equivalence_class));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1886 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1887 continue;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1888 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1889 // Try collating class like [. .]
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1890 if (collclass != 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1891 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1892 startc = collclass; // allow [.a.]-x as a range
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1893 // Will emit the proper atom at the end of the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1894 // while loop.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1895 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1896 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1897 // Try a range like 'a-x' or '\t-z'. Also allows '-' as a
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1898 // start character.
4677
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1899 if (*regparse == '-' && oldstartc != -1)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1900 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1901 emit_range = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1902 startc = oldstartc;
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
1903 MB_PTR_ADV(regparse);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1904 continue; // reading the end of the range
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1905 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1906
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1907 // Now handle simple and escaped characters.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1908 // Only "\]", "\^", "\]" and "\\" are special in Vi. Vim
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1909 // accepts "\t", "\e", etc., but only when the 'l' flag in
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1910 // 'cpoptions' is not included.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1911 // Posix doesn't recognize backslash at all.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1912 if (*regparse == '\\'
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4742
diff changeset
1913 && !reg_cpo_bsl
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1914 && regparse + 1 <= endp
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1915 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL
4744
a62695305e03 updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents: 4742
diff changeset
1916 || (!reg_cpo_lit
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1917 && vim_strchr(REGEXP_ABBR, regparse[1])
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1918 != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1919 )
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1920 )
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1921 {
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
1922 MB_PTR_ADV(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1923
4507
9dbbddb2ed10 updated for version 7.3.1001
Bram Moolenaar <bram@vim.org>
parents: 4503
diff changeset
1924 if (*regparse == 'n')
15876
0c49755f460e patch 8.1.0945: internal error when using pattern with NL in the range
Bram Moolenaar <Bram@vim.org>
parents: 15824
diff changeset
1925 startc = (reg_string || emit_range
0c49755f460e patch 8.1.0945: internal error when using pattern with NL in the range
Bram Moolenaar <Bram@vim.org>
parents: 15824
diff changeset
1926 || regparse[1] == '-') ? NL : NFA_NEWL;
16162
cd5c83115ec6 patch 8.1.1086: too many curly braces
Bram Moolenaar <Bram@vim.org>
parents: 15935
diff changeset
1927 else if (*regparse == 'd'
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1928 || *regparse == 'o'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1929 || *regparse == 'x'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1930 || *regparse == 'u'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1931 || *regparse == 'U'
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1932 )
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1933 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1934 // TODO(RE) This needs more testing
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1935 startc = coll_get_char();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1936 got_coll_char = TRUE;
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
1937 MB_PTR_BACK(old_regparse, regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1938 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1939 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1940 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1941 // \r,\t,\e,\b
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1942 startc = backslash_trans(*regparse);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1943 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1944 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1945
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1946 // Normal printable char
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1947 if (startc == -1)
4677
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1948 startc = PTR2CHAR(regparse);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1949
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1950 // Previous char was '-', so this char is end of range.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1951 if (emit_range)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1952 {
25178
0797c8ce343d patch 8.2.3125: variables are set but not used
Bram Moolenaar <Bram@vim.org>
parents: 25147
diff changeset
1953 int endc = startc;
0797c8ce343d patch 8.2.3125: variables are set but not used
Bram Moolenaar <Bram@vim.org>
parents: 25147
diff changeset
1954
4677
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1955 startc = oldstartc;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1956 if (startc > endc)
26958
d92e0d85923f patch 8.2.4008: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26952
diff changeset
1957 EMSG_RET_FAIL(_(e_reverse_range_in_character_class));
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1958
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1959 if (endc > startc + 2)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1960 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1961 // Emit a range instead of the sequence of
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1962 // individual characters.
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1963 if (startc == 0)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1964 // \x00 is translated to \x0a, start at \x01.
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1965 EMIT(1);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1966 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1967 --post_ptr; // remove NFA_CONCAT
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1968 EMIT(endc);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1969 EMIT(NFA_RANGE);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1970 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1971 }
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15490
diff changeset
1972 else if (has_mbyte && ((*mb_char2len)(startc) > 1
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1973 || (*mb_char2len)(endc) > 1))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1974 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1975 // Emit the characters in the range.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1976 // "startc" was already emitted, so skip it.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1977 //
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1978 for (c = startc + 1; c <= endc; c++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1979 {
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
1980 EMIT(c);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
1981 EMIT(NFA_CONCAT);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1982 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1983 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1984 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1985 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1986 // Emit the range. "startc" was already emitted, so
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1987 // skip it.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1988 for (c = startc + 1; c <= endc; c++)
27490
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
1989 {
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
1990 EMIT(c);
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
1991 EMIT(NFA_CONCAT);
fb4c30606b4a patch 8.2.4273: the EBCDIC support is outdated
Bram Moolenaar <Bram@vim.org>
parents: 27000
diff changeset
1992 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1993 }
4677
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1994 emit_range = FALSE;
c1622ff9ed8d updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents: 4675
diff changeset
1995 startc = -1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1996 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1997 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
1998 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
1999 // This char (startc) is not part of a range. Just
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2000 // emit it.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2001 // Normally, simply emit startc. But if we get char
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2002 // code=0 from a collating char, then replace it with
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2003 // 0x0a.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2004 // This is needed to completely mimic the behaviour of
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2005 // the backtracking engine.
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2006 if (startc == NFA_NEWL)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2007 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2008 // Line break can't be matched as part of the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2009 // collection, add an OR below. But not for negated
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2010 // range.
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2011 if (!negated)
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2012 extra = NFA_ADD_NL;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2013 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2014 else
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2015 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2016 if (got_coll_char == TRUE && startc == 0)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2017 EMIT(0x0a);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2018 else
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2019 EMIT(startc);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2020 EMIT(NFA_CONCAT);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2021 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2022 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2023
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
2024 MB_PTR_ADV(regparse);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2025 } // while (p < endp)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2026
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
2027 MB_PTR_BACK(old_regparse, regparse);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2028 if (*regparse == '-') // if last, '-' is just a char
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2029 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2030 EMIT('-');
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2031 EMIT(NFA_CONCAT);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2032 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2033
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2034 // skip the trailing ]
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2035 regparse = endp;
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10551
diff changeset
2036 MB_PTR_ADV(regparse);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2037
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2038 // Mark end of the collection.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2039 if (negated == TRUE)
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2040 EMIT(NFA_END_NEG_COLL);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2041 else
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2042 EMIT(NFA_END_COLL);
4615
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
2043
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2044 // \_[] also matches \n but it's not negated
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2045 if (extra == NFA_ADD_NL)
4615
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
2046 {
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
2047 EMIT(reg_string ? NL : NFA_NEWL);
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
2048 EMIT(NFA_OR);
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
2049 }
5679b8ddd8cc updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents: 4583
diff changeset
2050
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2051 return OK;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2052 } // if exists closing ]
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
2053
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
2054 if (reg_strict)
26958
d92e0d85923f patch 8.2.4008: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26952
diff changeset
2055 EMSG_RET_FAIL(_(e_missing_rsb_after_str_lsb));
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2056 // FALLTHROUGH
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
2057
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2058 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2059 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2060 int plen;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2061
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2062 nfa_do_multibyte:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2063 // plen is length of current char with composing chars
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
2064 if (enc_utf8 && ((*mb_char2len)(c)
11269
121d29004998 patch 8.0.0520: using a function pointer while the function is known
Christian Brabandt <cb@256bit.org>
parents: 11267
diff changeset
2065 != (plen = utfc_ptr2len(old_regparse))
4543
08ac46980953 updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents: 4541
diff changeset
2066 || utf_iscomposing(c)))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2067 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
2068 int i = 0;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
2069
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2070 // A base character plus composing characters, or just one
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2071 // or more composing characters.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2072 // This requires creating a separate atom as if enclosing
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2073 // the characters in (), where NFA_COMPOSING is the ( and
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2074 // NFA_END_COMPOSING is the ). Note that right now we are
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2075 // building the postfix form, not the NFA itself;
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2076 // a composing char could be: a, b, c, NFA_COMPOSING
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2077 // where 'b' and 'c' are chars with codes > 256.
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
2078 for (;;)
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
2079 {
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
2080 EMIT(c);
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
2081 if (i > 0)
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
2082 EMIT(NFA_CONCAT);
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
2083 if ((i += utf_char2len(c)) >= plen)
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
2084 break;
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
2085 c = utf_ptr2char(old_regparse + i);
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
2086 }
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
2087 EMIT(NFA_COMPOSING);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2088 regparse = old_regparse + plen;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2089 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2090 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2091 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2092 c = no_Magic(c);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2093 EMIT(c);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2094 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2095 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2096 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2097 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2098
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2099 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2100 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2101
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2102 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2103 * Parse something followed by possible [*+=].
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2104 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2105 * A piece is an atom, possibly followed by a multi, an indication of how many
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2106 * times the atom can be matched. Example: "a*" matches any sequence of "a"
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2107 * characters: "", "a", "aa", etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2108 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2109 * piece ::= atom
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2110 * or atom multi
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2111 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2112 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2113 nfa_regpiece(void)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2114 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2115 int i;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2116 int op;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2117 int ret;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2118 long minval, maxval;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2119 int greedy = TRUE; // Braces are prefixed with '-' ?
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2120 parse_state_T old_state;
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2121 parse_state_T new_state;
12752
09c856605191 patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents: 12674
diff changeset
2122 long c2;
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2123 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2124 int my_post_start;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2125 int quest;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2126
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2127 // Save the current parse state, so that we can use it if <atom>{m,n} is
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2128 // next.
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2129 save_parse_state(&old_state);
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2130
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2131 // store current pos in the postfix form, for \{m,n} involving 0s
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2132 my_post_start = (int)(post_ptr - post_start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2133
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2134 ret = nfa_regatom();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2135 if (ret == FAIL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2136 return FAIL; // cascaded error
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2137
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2138 op = peekchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2139 if (re_multi_type(op) == NOT_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2140 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2141
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2142 skipchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2143 switch (op)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2144 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2145 case Magic('*'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2146 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2147 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2148
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2149 case Magic('+'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2150 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2151 * Trick: Normally, (a*)\+ would match the whole input "aaa". The
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2152 * first and only submatch would be "aaa". But the backtracking
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2153 * engine interprets the plus as "try matching one more time", and
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2154 * a* matches a second time at the end of the input, the empty
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2155 * string.
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
2156 * The submatch will be the empty string.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2157 *
4673
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2158 * In order to be consistent with the old engine, we replace
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2159 * <atom>+ with <atom><atom>*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2160 */
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2161 restore_parse_state(&old_state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2162 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2163 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2164 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2165 EMIT(NFA_STAR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2166 EMIT(NFA_CONCAT);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2167 skipchr(); // skip the \+
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2168 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2169
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2170 case Magic('@'):
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2171 c2 = getdecchrs();
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2172 op = no_Magic(getchr());
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2173 i = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2174 switch(op)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2175 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2176 case '=':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2177 // \@=
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2178 i = NFA_PREV_ATOM_NO_WIDTH;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2179 break;
4661
0dce3d812e7a updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents: 4657
diff changeset
2180 case '!':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2181 // \@!
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2182 i = NFA_PREV_ATOM_NO_WIDTH_NEG;
4661
0dce3d812e7a updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents: 4657
diff changeset
2183 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2184 case '<':
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2185 op = no_Magic(getchr());
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2186 if (op == '=')
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2187 // \@<=
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2188 i = NFA_PREV_ATOM_JUST_BEFORE;
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2189 else if (op == '!')
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2190 // \@<!
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2191 i = NFA_PREV_ATOM_JUST_BEFORE_NEG;
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2192 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2193 case '>':
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2194 // \@>
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2195 i = NFA_PREV_ATOM_LIKE_PATTERN;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2196 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2197 }
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2198 if (i == 0)
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2199 {
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
2200 semsg(_(e_nfa_regexp_unknown_operator_at_chr), op);
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2201 return FAIL;
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2202 }
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2203 EMIT(i);
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2204 if (i == NFA_PREV_ATOM_JUST_BEFORE
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2205 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG)
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2206 EMIT(c2);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2207 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2208
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2209 case Magic('?'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2210 case Magic('='):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2211 EMIT(NFA_QUEST);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2212 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2213
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2214 case Magic('{'):
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2215 // a{2,5} will expand to 'aaa?a?a?'
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2216 // a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2217 // version of '?'
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2218 // \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2219 // parenthesis have the same id
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2220
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2221 greedy = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2222 c2 = peekchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2223 if (c2 == '-' || c2 == Magic('-'))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2224 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2225 skipchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2226 greedy = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2227 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2228 if (!read_limits(&minval, &maxval))
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
2229 EMSG_RET_FAIL(_(e_nfa_regexp_error_reading_repetition_limits));
4762
47906f888725 updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents: 4760
diff changeset
2230
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2231 // <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2232 // <atom>*
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2233 if (minval == 0 && maxval == MAX_LIMIT)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2234 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2235 if (greedy) // { { (match the braces)
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2236 // \{}, \{0,}
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2237 EMIT(NFA_STAR);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2238 else // { { (match the braces)
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2239 // \{-}, \{-0,}
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2240 EMIT(NFA_STAR_NONGREEDY);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2241 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2242 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2243
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2244 // Special case: x{0} or x{-0}
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2245 if (maxval == 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2246 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2247 // Ignore result of previous call to nfa_regatom()
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2248 post_ptr = post_start + my_post_start;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2249 // NFA_EMPTY is 0-length and works everywhere
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2250 EMIT(NFA_EMPTY);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2251 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2252 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2253
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2254 // The engine is very inefficient (uses too many states) when the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2255 // maximum is much larger than the minimum and when the maximum is
23471
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 23270
diff changeset
2256 // large. However, when maxval is MAX_LIMIT, it is okay, as this
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 23270
diff changeset
2257 // will emit NFA_STAR.
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 23270
diff changeset
2258 // Bail out if we can use the other engine, but only, when the
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 23270
diff changeset
2259 // pattern does not need the NFA engine like (e.g. [[:upper:]]\{2,\}
26771
fc859aea8cec patch 8.2.3914: various spelling mistakes in comments
Bram Moolenaar <Bram@vim.org>
parents: 26652
diff changeset
2260 // does not work with characters > 8 bit with the BT engine)
6594
3cca9b0cc1a0 updated for version 7.4.623
Bram Moolenaar <bram@vim.org>
parents: 6592
diff changeset
2261 if ((nfa_re_flags & RE_AUTO)
23471
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 23270
diff changeset
2262 && (maxval > 500 || maxval > minval + 200)
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 23270
diff changeset
2263 && (maxval != MAX_LIMIT && minval < 200)
a7cdfc8e4b6e patch 8.2.2278: falling back to old regexp engine can some patterns
Bram Moolenaar <Bram@vim.org>
parents: 23270
diff changeset
2264 && !wants_nfa)
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6510
diff changeset
2265 return FAIL;
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6510
diff changeset
2266
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2267 // Ignore previous call to nfa_regatom()
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2268 post_ptr = post_start + my_post_start;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2269 // Save parse state after the repeated atom and the \{}
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2270 save_parse_state(&new_state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2271
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2272 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2273 for (i = 0; i < maxval; i++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2274 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2275 // Goto beginning of the repeated atom
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2276 restore_parse_state(&old_state);
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2277 old_post_pos = (int)(post_ptr - post_start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2278 if (nfa_regatom() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2279 return FAIL;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2280 // after "minval" times, atoms are optional
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2281 if (i + 1 > minval)
4673
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2282 {
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2283 if (maxval == MAX_LIMIT)
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2284 {
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2285 if (greedy)
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2286 EMIT(NFA_STAR);
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2287 else
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2288 EMIT(NFA_STAR_NONGREEDY);
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2289 }
4673
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2290 else
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2291 EMIT(quest);
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2292 }
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2293 if (old_post_pos != my_post_start)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2294 EMIT(NFA_CONCAT);
4673
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2295 if (i + 1 > minval && maxval == MAX_LIMIT)
05d57d7c2d55 updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents: 4671
diff changeset
2296 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2297 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2298
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2299 // Go to just after the repeated atom and the \{}
4679
4d92b873acef updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents: 4677
diff changeset
2300 restore_parse_state(&new_state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2301 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2302
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2303 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2304
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2305
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2306 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2307 break;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2308 } // end switch
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2309
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2310 if (re_multi_type(peekchr()) != NOT_MULTI)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2311 // Can't have a multi follow a multi.
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
2312 EMSG_RET_FAIL(_(e_nfa_regexp_cant_have_multi_follow_multi));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2313
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2314 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2315 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2316
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2317 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2318 * Parse one or more pieces, concatenated. It matches a match for the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2319 * first piece, followed by a match for the second piece, etc. Example:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2320 * "f[0-9]b", first matches "f", then a digit and then "b".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2321 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2322 * concat ::= piece
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2323 * or piece piece
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2324 * or piece piece piece
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2325 * etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2326 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2327 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2328 nfa_regconcat(void)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2329 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2330 int cont = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2331 int first = TRUE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2332
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2333 while (cont)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2334 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2335 switch (peekchr())
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2336 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2337 case NUL:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2338 case Magic('|'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2339 case Magic('&'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2340 case Magic(')'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2341 cont = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2342 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2343
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2344 case Magic('Z'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2345 regflags |= RF_ICOMBINE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2346 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2347 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2348 case Magic('c'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2349 regflags |= RF_ICASE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2350 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2351 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2352 case Magic('C'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2353 regflags |= RF_NOICASE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2354 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2355 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2356 case Magic('v'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2357 reg_magic = MAGIC_ALL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2358 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2359 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2360 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2361 case Magic('m'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2362 reg_magic = MAGIC_ON;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2363 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2364 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2365 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2366 case Magic('M'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2367 reg_magic = MAGIC_OFF;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2368 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2369 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2370 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2371 case Magic('V'):
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2372 reg_magic = MAGIC_NONE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2373 skipchr_keepstart();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2374 curchr = -1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2375 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2376
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2377 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2378 if (nfa_regpiece() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2379 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2380 if (first == FALSE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2381 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2382 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2383 first = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2384 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2385 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2386 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2387
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2388 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2389 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2390
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2391 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2392 * Parse a branch, one or more concats, separated by "\&". It matches the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2393 * last concat, but only if all the preceding concats also match at the same
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2394 * position. Examples:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2395 * "foobeep\&..." matches "foo" in "foobeep".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2396 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob"
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2397 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2398 * branch ::= concat
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2399 * or concat \& concat
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2400 * or concat \& concat \& concat
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2401 * etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2402 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2403 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2404 nfa_regbranch(void)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2405 {
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2406 int old_post_pos;
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2407
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2408 old_post_pos = (int)(post_ptr - post_start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2409
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2410 // First branch, possibly the only one
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2411 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2412 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2413
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2414 // Try next concats
13043
307f2622826f patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents: 12752
diff changeset
2415 while (peekchr() == Magic('&'))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2416 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2417 skipchr();
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2418 // if concat is empty do emit a node
13043
307f2622826f patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents: 12752
diff changeset
2419 if (old_post_pos == (int)(post_ptr - post_start))
307f2622826f patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents: 12752
diff changeset
2420 EMIT(NFA_EMPTY);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2421 EMIT(NFA_NOPEN);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2422 EMIT(NFA_PREV_ATOM_NO_WIDTH);
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2423 old_post_pos = (int)(post_ptr - post_start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2424 if (nfa_regconcat() == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2425 return FAIL;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2426 // if concat is empty do emit a node
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2427 if (old_post_pos == (int)(post_ptr - post_start))
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2428 EMIT(NFA_EMPTY);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2429 EMIT(NFA_CONCAT);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2430 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2431
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2432 // if a branch is empty, emit one node for it
4651
f10f63aaec5c updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents: 4649
diff changeset
2433 if (old_post_pos == (int)(post_ptr - post_start))
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2434 EMIT(NFA_EMPTY);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2435
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2436 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2437 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2438
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2439 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2440 * Parse a pattern, one or more branches, separated by "\|". It matches
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2441 * anything that matches one of the branches. Example: "foo\|beep" matches
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2442 * "foo" and matches "beep". If more than one branch matches, the first one
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2443 * is used.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2444 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2445 * pattern ::= branch
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2446 * or branch \| branch
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2447 * or branch \| branch \| branch
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2448 * etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2449 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2450 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2451 nfa_reg(
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2452 int paren) // REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2453 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2454 int parno = 0;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2455
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2456 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2457 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2458 if (regnpar >= NSUBEXP) // Too many `('
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
2459 EMSG_RET_FAIL(_(e_nfa_regexp_too_many_parens));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2460 parno = regnpar++;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2461 }
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2462 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2463 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2464 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2465 // Make a ZOPEN node.
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2466 if (regnzpar >= NSUBEXP)
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
2467 EMSG_RET_FAIL(_(e_nfa_regexp_too_many_z));
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2468 parno = regnzpar++;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2469 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2470 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2471
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2472 if (nfa_regbranch() == FAIL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2473 return FAIL; // cascaded error
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2474
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2475 while (peekchr() == Magic('|'))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2476 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2477 skipchr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2478 if (nfa_regbranch() == FAIL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2479 return FAIL; // cascaded error
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2480 EMIT(NFA_OR);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2481 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2482
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2483 // Check for proper termination.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2484 if (paren != REG_NOPAREN && getchr() != Magic(')'))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2485 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2486 if (paren == REG_NPAREN)
25320
1e6da8364a02 patch 8.2.3197: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25306
diff changeset
2487 EMSG2_RET_FAIL(_(e_unmatched_str_percent_open),
1e6da8364a02 patch 8.2.3197: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25306
diff changeset
2488 reg_magic == MAGIC_ALL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2489 else
25320
1e6da8364a02 patch 8.2.3197: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25306
diff changeset
2490 EMSG2_RET_FAIL(_(e_unmatched_str_open), reg_magic == MAGIC_ALL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2491 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2492 else if (paren == REG_NOPAREN && peekchr() != NUL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2493 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2494 if (peekchr() == Magic(')'))
25320
1e6da8364a02 patch 8.2.3197: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25306
diff changeset
2495 EMSG2_RET_FAIL(_(e_unmatched_str_close), reg_magic == MAGIC_ALL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2496 else
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
2497 EMSG_RET_FAIL(_(e_nfa_regexp_proper_termination_error));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2498 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2499 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2500 * Here we set the flag allowing back references to this set of
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2501 * parentheses.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2502 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2503 if (paren == REG_PAREN)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2504 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2505 had_endbrace[parno] = TRUE; // have seen the close paren
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2506 EMIT(NFA_MOPEN + parno);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2507 }
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2508 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2509 else if (paren == REG_ZPAREN)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2510 EMIT(NFA_ZOPEN + parno);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2511 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2512
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2513 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2514 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2515
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2516 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2517 static char_u code[50];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2518
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2519 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2520 nfa_set_code(int c)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2521 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2522 int addnl = FALSE;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2523
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2524 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2525 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2526 addnl = TRUE;
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2527 c -= NFA_ADD_NL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2528 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2529
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2530 STRCPY(code, "");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2531 switch (c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2532 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2533 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2534 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2535 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2536 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2537 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2538 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2539
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2540 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2541 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2542 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2543 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2544 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2545 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2546 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2547 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2548 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2549 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2550 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2551 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2552 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2553 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2554 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2555 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2556 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2557 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2558 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2559 #endif
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2560 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
2561
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2562 case NFA_PREV_ATOM_NO_WIDTH:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2563 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break;
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
2564 case NFA_PREV_ATOM_NO_WIDTH_NEG:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
2565 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break;
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2566 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2567 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break;
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2568 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2569 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE_NEG"); break;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2570 case NFA_PREV_ATOM_LIKE_PATTERN:
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2571 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2572
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
2573 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break;
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
2574 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2575 case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break;
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2576 case NFA_START_INVISIBLE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2577 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break;
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2578 case NFA_START_INVISIBLE_NEG:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2579 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break;
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2580 case NFA_START_INVISIBLE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2581 STRCPY(code, "NFA_START_INVISIBLE_NEG_FIRST"); break;
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2582 case NFA_START_INVISIBLE_BEFORE:
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
2583 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break;
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2584 case NFA_START_INVISIBLE_BEFORE_FIRST:
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2585 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_FIRST"); break;
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2586 case NFA_START_INVISIBLE_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2587 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_NEG"); break;
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2588 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
2589 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_NEG_FIRST"); break;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2590 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2591 case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break;
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2592 case NFA_END_INVISIBLE_NEG: STRCPY(code, "NFA_END_INVISIBLE_NEG"); break;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
2593 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2594
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2595 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2596 case NFA_END_COMPOSING: STRCPY(code, "NFA_END_COMPOSING"); break;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
2597 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2598
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2599 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2600 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2601 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2602 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2603 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2604 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2605 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2606 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2607 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2608 case NFA_MOPEN9:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2609 STRCPY(code, "NFA_MOPEN(x)");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2610 code[10] = c - NFA_MOPEN + '0';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2611 break;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2612 case NFA_MCLOSE:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2613 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2614 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2615 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2616 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2617 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2618 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2619 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2620 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2621 case NFA_MCLOSE9:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2622 STRCPY(code, "NFA_MCLOSE(x)");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2623 code[11] = c - NFA_MCLOSE + '0';
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2624 break;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2625 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2626 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2627 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2628 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2629 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2630 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2631 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2632 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2633 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2634 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2635 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2636 STRCPY(code, "NFA_ZOPEN(x)");
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2637 code[10] = c - NFA_ZOPEN + '0';
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2638 break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2639 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2640 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2641 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2642 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2643 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2644 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2645 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2646 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2647 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2648 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2649 STRCPY(code, "NFA_ZCLOSE(x)");
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2650 code[11] = c - NFA_ZCLOSE + '0';
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2651 break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
2652 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2653 case NFA_EOL: STRCPY(code, "NFA_EOL "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2654 case NFA_BOL: STRCPY(code, "NFA_BOL "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2655 case NFA_EOW: STRCPY(code, "NFA_EOW "); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2656 case NFA_BOW: STRCPY(code, "NFA_BOW "); break;
4671
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
2657 case NFA_EOF: STRCPY(code, "NFA_EOF "); break;
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
2658 case NFA_BOF: STRCPY(code, "NFA_BOF "); break;
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2659 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2660 case NFA_LNUM_GT: STRCPY(code, "NFA_LNUM_GT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2661 case NFA_LNUM_LT: STRCPY(code, "NFA_LNUM_LT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2662 case NFA_COL: STRCPY(code, "NFA_COL "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2663 case NFA_COL_GT: STRCPY(code, "NFA_COL_GT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2664 case NFA_COL_LT: STRCPY(code, "NFA_COL_LT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2665 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2666 case NFA_VCOL_GT: STRCPY(code, "NFA_VCOL_GT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2667 case NFA_VCOL_LT: STRCPY(code, "NFA_VCOL_LT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2668 case NFA_MARK: STRCPY(code, "NFA_MARK "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2669 case NFA_MARK_GT: STRCPY(code, "NFA_MARK_GT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2670 case NFA_MARK_LT: STRCPY(code, "NFA_MARK_LT "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2671 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2672 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break;
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
2673 case NFA_ANY_COMPOSING: STRCPY(code, "NFA_ANY_COMPOSING "); break;
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
2674
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2675 case NFA_STAR: STRCPY(code, "NFA_STAR "); break;
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2676 case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2677 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
2678 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break;
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
2679 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2680 case NFA_OR: STRCPY(code, "NFA_OR"); break;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2681
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2682 case NFA_START_COLL: STRCPY(code, "NFA_START_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2683 case NFA_END_COLL: STRCPY(code, "NFA_END_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2684 case NFA_START_NEG_COLL: STRCPY(code, "NFA_START_NEG_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2685 case NFA_END_NEG_COLL: STRCPY(code, "NFA_END_NEG_COLL"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2686 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2687 case NFA_RANGE_MIN: STRCPY(code, "NFA_RANGE_MIN"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2688 case NFA_RANGE_MAX: STRCPY(code, "NFA_RANGE_MAX"); break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2689
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2690 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2691 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2692 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2693 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2694 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2695 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2696 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2697 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2698 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2699 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2700 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2701 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2702 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2703 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2704 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2705 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break;
15709
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
2706 case NFA_CLASS_IDENT: STRCPY(code, "NFA_CLASS_IDENT"); break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
2707 case NFA_CLASS_KEYWORD: STRCPY(code, "NFA_CLASS_KEYWORD"); break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
2708 case NFA_CLASS_FNAME: STRCPY(code, "NFA_CLASS_FNAME"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2709
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2710 case NFA_ANY: STRCPY(code, "NFA_ANY"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2711 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2712 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2713 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2714 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2715 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2716 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2717 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2718 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2719 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2720 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2721 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2722 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2723 case NFA_HEX: STRCPY(code, "NFA_HEX"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2724 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2725 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2726 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2727 case NFA_WORD: STRCPY(code, "NFA_WORD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2728 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2729 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2730 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2731 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2732 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2733 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2734 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2735 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2736 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break;
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2737 case NFA_LOWER_IC: STRCPY(code, "NFA_LOWER_IC"); break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2738 case NFA_NLOWER_IC: STRCPY(code, "NFA_NLOWER_IC"); break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2739 case NFA_UPPER_IC: STRCPY(code, "NFA_UPPER_IC"); break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
2740 case NFA_NUPPER_IC: STRCPY(code, "NFA_NUPPER_IC"); break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2741
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2742 default:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2743 STRCPY(code, "CHAR(x)");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2744 code[5] = c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2745 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2746
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2747 if (addnl == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2748 STRCAT(code, " + NEWLINE ");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2749
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2750 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2751
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2752 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2753 static FILE *log_fd;
14145
1cf832945469 patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents: 14121
diff changeset
2754 static char_u e_log_open_failed[] = N_("Could not open temporary log file for writing, displaying on stderr... ");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2755
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2756 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2757 * Print the postfix notation of the current regexp.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2758 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2759 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2760 nfa_postfix_dump(char_u *expr, int retval)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2761 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2762 int *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2763 FILE *f;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2764
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2765 f = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2766 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2767 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2768 fprintf(f, "\n-------------------------\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2769 if (retval == FAIL)
14145
1cf832945469 patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents: 14121
diff changeset
2770 fprintf(f, ">>> NFA engine failed... \n");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2771 else if (retval == OK)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2772 fprintf(f, ">>> NFA engine succeeded !\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2773 fprintf(f, "Regexp: \"%s\"\nPostfix notation (char): \"", expr);
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
2774 for (p = post_start; *p && p < post_ptr; p++)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2775 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2776 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2777 fprintf(f, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2778 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2779 fprintf(f, "\"\nPostfix notation (int): ");
5255
3c6e2b89875f updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents: 5253
diff changeset
2780 for (p = post_start; *p && p < post_ptr; p++)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2781 fprintf(f, "%d ", *p);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2782 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2783 fclose(f);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2784 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2785 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2786
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2787 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2788 * Print the NFA starting with a root node "state".
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2789 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2790 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2791 nfa_print_state(FILE *debugf, nfa_state_T *state)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2792 {
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2793 garray_T indent;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2794
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2795 ga_init2(&indent, 1, 64);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2796 ga_append(&indent, '\0');
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2797 nfa_print_state2(debugf, state, &indent);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2798 ga_clear(&indent);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2799 }
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2800
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2801 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2802 nfa_print_state2(FILE *debugf, nfa_state_T *state, garray_T *indent)
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2803 {
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2804 char_u *p;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2805
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2806 if (state == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2807 return;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2808
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2809 fprintf(debugf, "(%2d)", abs(state->id));
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2810
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2811 // Output indent
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2812 p = (char_u *)indent->ga_data;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2813 if (indent->ga_len >= 3)
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2814 {
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2815 int last = indent->ga_len - 3;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2816 char_u save[2];
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2817
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2818 STRNCPY(save, &p[last], 2);
27000
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
2819 memcpy(&p[last], "+-", 2);
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2820 fprintf(debugf, " %s", p);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2821 STRNCPY(&p[last], save, 2);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2822 }
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2823 else
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2824 fprintf(debugf, " %s", p);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2825
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2826 nfa_set_code(state->c);
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
2827 fprintf(debugf, "%s (%d) (id=%d) val=%d\n",
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2828 code,
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2829 state->c,
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2830 abs(state->id),
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2831 state->val);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2832 if (state->id < 0)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2833 return;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2834
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2835 state->id = abs(state->id) * -1;
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2836
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2837 // grow indent for state->out
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2838 indent->ga_len -= 1;
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2839 if (state->out1)
4537
5cc98a5898cf updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents: 4535
diff changeset
2840 ga_concat(indent, (char_u *)"| ");
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2841 else
4537
5cc98a5898cf updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents: 4535
diff changeset
2842 ga_concat(indent, (char_u *)" ");
26652
a3f38923c037 patch 8.2.3855: illegal memory access when displaying a blob
Bram Moolenaar <Bram@vim.org>
parents: 26592
diff changeset
2843 ga_append(indent, NUL);
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2844
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2845 nfa_print_state2(debugf, state->out, indent);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2846
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2847 // replace last part of indent for state->out1
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2848 indent->ga_len -= 3;
4537
5cc98a5898cf updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents: 4535
diff changeset
2849 ga_concat(indent, (char_u *)" ");
26652
a3f38923c037 patch 8.2.3855: illegal memory access when displaying a blob
Bram Moolenaar <Bram@vim.org>
parents: 26592
diff changeset
2850 ga_append(indent, NUL);
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2851
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2852 nfa_print_state2(debugf, state->out1, indent);
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2853
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2854 // shrink indent
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2855 indent->ga_len -= 3;
26652
a3f38923c037 patch 8.2.3855: illegal memory access when displaying a blob
Bram Moolenaar <Bram@vim.org>
parents: 26592
diff changeset
2856 ga_append(indent, NUL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2857 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2858
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2859 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2860 * Print the NFA state machine.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2861 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2862 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2863 nfa_dump(nfa_regprog_T *prog)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2864 {
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
2865 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2866
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2867 if (debugf != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2868 {
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
2869 nfa_print_state(debugf, prog->start);
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2870
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2871 if (prog->reganch)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2872 fprintf(debugf, "reganch: %d\n", prog->reganch);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2873 if (prog->regstart != NUL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2874 fprintf(debugf, "regstart: %c (decimal: %d)\n",
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2875 prog->regstart, prog->regstart);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2876 if (prog->match_text != NULL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
2877 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text);
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
2878
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2879 fclose(debugf);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2880 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2881 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2882 #endif // ENABLE_LOG
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2883 #endif // DEBUG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2884
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2885 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2886 * Parse r.e. @expr and convert it into postfix form.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2887 * Return the postfix string on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2888 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2889 static int *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2890 re2post(void)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2891 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2892 if (nfa_reg(REG_NOPAREN) == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2893 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2894 EMIT(NFA_MOPEN);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2895 return post_start;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2896 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2897
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2898 // NB. Some of the code below is inspired by Russ's.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2899
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2900 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2901 * Represents an NFA state plus zero or one or two arrows exiting.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2902 * if c == MATCH, no arrows out; matching state.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2903 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL).
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2904 * If c < 256, labeled arrow with character c to out.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2905 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2906
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2907 static nfa_state_T *state_ptr; // points to nfa_prog->state
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2908
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2909 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2910 * Allocate and initialize nfa_state_T.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2911 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2912 static nfa_state_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2913 alloc_state(int c, nfa_state_T *out, nfa_state_T *out1)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2914 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2915 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2916
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2917 if (istate >= nstate)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2918 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2919
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2920 s = &state_ptr[istate++];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2921
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2922 s->c = c;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2923 s->out = out;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2924 s->out1 = out1;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
2925 s->val = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2926
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2927 s->id = istate;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
2928 s->lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
2929 s->lastlist[1] = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2930
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2931 return s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2932 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2933
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2934 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2935 * A partially built NFA without the matching state filled in.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2936 * Frag_T.start points at the start state.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2937 * Frag_T.out is a list of places that need to be set to the
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2938 * next state for this fragment.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2939 */
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2940
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2941 // Since the out pointers in the list are always
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2942 // uninitialized, we use the pointers themselves
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
2943 // as storage for the Ptrlists.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2944 typedef union Ptrlist Ptrlist;
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2945 union Ptrlist
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2946 {
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2947 Ptrlist *next;
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2948 nfa_state_T *s;
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2949 };
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2950
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2951 struct Frag
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2952 {
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
2953 nfa_state_T *start;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2954 Ptrlist *out;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2955 };
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2956 typedef struct Frag Frag_T;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2957
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2958 /*
4456
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2959 * Initialize a Frag_T struct and return it.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2960 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2961 static Frag_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2962 frag(nfa_state_T *start, Ptrlist *out)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2963 {
4456
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2964 Frag_T n;
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2965
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2966 n.start = start;
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
2967 n.out = out;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2968 return n;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2969 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2970
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2971 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2972 * Create singleton list containing just outp.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2973 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2974 static Ptrlist *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2975 list1(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2976 nfa_state_T **outp)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2977 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2978 Ptrlist *l;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2979
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2980 l = (Ptrlist *)outp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2981 l->next = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2982 return l;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2983 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2984
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2985 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2986 * Patch the list of states at out to point to start.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2987 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2988 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
2989 patch(Ptrlist *l, nfa_state_T *s)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2990 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2991 Ptrlist *next;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2992
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2993 for (; l; l = next)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2994 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2995 next = l->next;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2996 l->s = s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2997 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2998 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
2999
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3000
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3001 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3002 * Join the two lists l1 and l2, returning the combination.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3003 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3004 static Ptrlist *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3005 append(Ptrlist *l1, Ptrlist *l2)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3006 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3007 Ptrlist *oldl1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3008
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3009 oldl1 = l1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3010 while (l1->next)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3011 l1 = l1->next;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3012 l1->next = l2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3013 return oldl1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3014 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3015
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3016 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3017 * Stack used for transforming postfix form into NFA.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3018 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3019 static Frag_T empty;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3020
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3021 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3022 st_error(int *postfix UNUSED, int *end UNUSED, int *p UNUSED)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3023 {
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
3024 #ifdef NFA_REGEXP_ERROR_LOG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3025 FILE *df;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3026 int *p2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3027
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
3028 df = fopen(NFA_REGEXP_ERROR_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3029 if (df)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3030 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3031 fprintf(df, "Error popping the stack!\n");
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
3032 # ifdef DEBUG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3033 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
3034 # endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3035 fprintf(df, "Postfix form is: ");
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
3036 # ifdef DEBUG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3037 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3038 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3039 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3040 fprintf(df, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3041 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3042 nfa_set_code(*p);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3043 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3044 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3045 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3046 nfa_set_code(*p2);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3047 fprintf(df, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3048 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
3049 # else
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3050 for (p2 = postfix; p2 < end; p2++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3051 fprintf(df, "%d, ", *p2);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3052 fprintf(df, "\nCurrent position is: ");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3053 for (p2 = postfix; p2 <= p; p2 ++)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3054 fprintf(df, "%d, ", *p2);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
3055 # endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3056 fprintf(df, "\n--------------------------\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3057 fclose(df);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3058 }
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
3059 #endif
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
3060 emsg(_(e_nfa_regexp_could_not_pop_stack));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3061 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3062
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3063 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3064 * Push an item onto the stack.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3065 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3066 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3067 st_push(Frag_T s, Frag_T **p, Frag_T *stack_end)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3068 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3069 Frag_T *stackp = *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3070
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3071 if (stackp >= stack_end)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3072 return;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3073 *stackp = s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3074 *p = *p + 1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3075 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3076
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3077 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3078 * Pop an item from the stack.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3079 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3080 static Frag_T
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3081 st_pop(Frag_T **p, Frag_T *stack)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3082 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3083 Frag_T *stackp;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3084
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3085 *p = *p - 1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3086 stackp = *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3087 if (stackp < stack)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3088 return empty;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3089 return **p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3090 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3091
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3092 /*
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3093 * Estimate the maximum byte length of anything matching "state".
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3094 * When unknown or unlimited return -1.
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3095 */
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3096 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3097 nfa_max_width(nfa_state_T *startstate, int depth)
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3098 {
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3099 int l, r;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3100 nfa_state_T *state = startstate;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3101 int len = 0;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3102
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3103 // detect looping in a NFA_SPLIT
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3104 if (depth > 4)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3105 return -1;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3106
4958
0a379dea13c9 updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents: 4944
diff changeset
3107 while (state != NULL)
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3108 {
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3109 switch (state->c)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3110 {
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3111 case NFA_END_INVISIBLE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3112 case NFA_END_INVISIBLE_NEG:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3113 // the end, return what we have
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3114 return len;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3115
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3116 case NFA_SPLIT:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3117 // two alternatives, use the maximum
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3118 l = nfa_max_width(state->out, depth + 1);
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3119 r = nfa_max_width(state->out1, depth + 1);
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3120 if (l < 0 || r < 0)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3121 return -1;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3122 return len + (l > r ? l : r);
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3123
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3124 case NFA_ANY:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3125 case NFA_START_COLL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3126 case NFA_START_NEG_COLL:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3127 // matches some character, including composing chars
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3128 if (enc_utf8)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3129 len += MB_MAXBYTES;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3130 else if (has_mbyte)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3131 len += 2;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3132 else
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3133 ++len;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3134 if (state->c != NFA_ANY)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3135 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3136 // skip over the characters
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3137 state = state->out1->out;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3138 continue;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3139 }
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3140 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3141
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3142 case NFA_DIGIT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3143 case NFA_WHITE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3144 case NFA_HEX:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3145 case NFA_OCTAL:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3146 // ascii
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3147 ++len;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3148 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3149
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3150 case NFA_IDENT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3151 case NFA_SIDENT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3152 case NFA_KWORD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3153 case NFA_SKWORD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3154 case NFA_FNAME:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3155 case NFA_SFNAME:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3156 case NFA_PRINT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3157 case NFA_SPRINT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3158 case NFA_NWHITE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3159 case NFA_NDIGIT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3160 case NFA_NHEX:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3161 case NFA_NOCTAL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3162 case NFA_WORD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3163 case NFA_NWORD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3164 case NFA_HEAD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3165 case NFA_NHEAD:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3166 case NFA_ALPHA:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3167 case NFA_NALPHA:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3168 case NFA_LOWER:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3169 case NFA_NLOWER:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3170 case NFA_UPPER:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3171 case NFA_NUPPER:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
3172 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
3173 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
3174 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
3175 case NFA_NUPPER_IC:
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
3176 case NFA_ANY_COMPOSING:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3177 // possibly non-ascii
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3178 if (has_mbyte)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3179 len += 3;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3180 else
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3181 ++len;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3182 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3183
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3184 case NFA_START_INVISIBLE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3185 case NFA_START_INVISIBLE_NEG:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3186 case NFA_START_INVISIBLE_BEFORE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3187 case NFA_START_INVISIBLE_BEFORE_NEG:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3188 // zero-width, out1 points to the END state
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3189 state = state->out1->out;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3190 continue;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3191
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3192 case NFA_BACKREF1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3193 case NFA_BACKREF2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3194 case NFA_BACKREF3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3195 case NFA_BACKREF4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3196 case NFA_BACKREF5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3197 case NFA_BACKREF6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3198 case NFA_BACKREF7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3199 case NFA_BACKREF8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3200 case NFA_BACKREF9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3201 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3202 case NFA_ZREF1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3203 case NFA_ZREF2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3204 case NFA_ZREF3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3205 case NFA_ZREF4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3206 case NFA_ZREF5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3207 case NFA_ZREF6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3208 case NFA_ZREF7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3209 case NFA_ZREF8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3210 case NFA_ZREF9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3211 #endif
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3212 case NFA_NEWL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3213 case NFA_SKIP:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3214 // unknown width
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3215 return -1;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3216
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3217 case NFA_BOL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3218 case NFA_EOL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3219 case NFA_BOF:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3220 case NFA_EOF:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3221 case NFA_BOW:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3222 case NFA_EOW:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3223 case NFA_MOPEN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3224 case NFA_MOPEN1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3225 case NFA_MOPEN2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3226 case NFA_MOPEN3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3227 case NFA_MOPEN4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3228 case NFA_MOPEN5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3229 case NFA_MOPEN6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3230 case NFA_MOPEN7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3231 case NFA_MOPEN8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3232 case NFA_MOPEN9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3233 #ifdef FEAT_SYN_HL
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3234 case NFA_ZOPEN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3235 case NFA_ZOPEN1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3236 case NFA_ZOPEN2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3237 case NFA_ZOPEN3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3238 case NFA_ZOPEN4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3239 case NFA_ZOPEN5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3240 case NFA_ZOPEN6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3241 case NFA_ZOPEN7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3242 case NFA_ZOPEN8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3243 case NFA_ZOPEN9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3244 case NFA_ZCLOSE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3245 case NFA_ZCLOSE1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3246 case NFA_ZCLOSE2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3247 case NFA_ZCLOSE3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3248 case NFA_ZCLOSE4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3249 case NFA_ZCLOSE5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3250 case NFA_ZCLOSE6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3251 case NFA_ZCLOSE7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3252 case NFA_ZCLOSE8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3253 case NFA_ZCLOSE9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3254 #endif
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3255 case NFA_MCLOSE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3256 case NFA_MCLOSE1:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3257 case NFA_MCLOSE2:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3258 case NFA_MCLOSE3:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3259 case NFA_MCLOSE4:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3260 case NFA_MCLOSE5:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3261 case NFA_MCLOSE6:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3262 case NFA_MCLOSE7:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3263 case NFA_MCLOSE8:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3264 case NFA_MCLOSE9:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3265 case NFA_NOPEN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3266 case NFA_NCLOSE:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3267
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3268 case NFA_LNUM_GT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3269 case NFA_LNUM_LT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3270 case NFA_COL_GT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3271 case NFA_COL_LT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3272 case NFA_VCOL_GT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3273 case NFA_VCOL_LT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3274 case NFA_MARK_GT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3275 case NFA_MARK_LT:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3276 case NFA_VISUAL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3277 case NFA_LNUM:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3278 case NFA_CURSOR:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3279 case NFA_COL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3280 case NFA_VCOL:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3281 case NFA_MARK:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3282
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3283 case NFA_ZSTART:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3284 case NFA_ZEND:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3285 case NFA_OPT_CHARS:
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
3286 case NFA_EMPTY:
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3287 case NFA_START_PATTERN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3288 case NFA_END_PATTERN:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3289 case NFA_COMPOSING:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3290 case NFA_END_COMPOSING:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3291 // zero-width
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3292 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3293
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3294 default:
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3295 if (state->c < 0)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3296 // don't know what this is
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3297 return -1;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3298 // normal character
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3299 len += MB_CHAR2LEN(state->c);
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3300 break;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3301 }
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3302
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3303 // normal way to continue
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3304 state = state->out;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3305 }
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3306
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3307 // unrecognized, "cannot happen"
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3308 return -1;
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3309 }
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
3310
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3311 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3312 * Convert a postfix form into its equivalent NFA.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3313 * Return the NFA start state on success, NULL otherwise.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3314 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3315 static nfa_state_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3316 post2nfa(int *postfix, int *end, int nfa_calc_size)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3317 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3318 int *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3319 int mopen;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3320 int mclose;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3321 Frag_T *stack = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3322 Frag_T *stackp = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3323 Frag_T *stack_end = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3324 Frag_T e1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3325 Frag_T e2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3326 Frag_T e;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3327 nfa_state_T *s;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3328 nfa_state_T *s1;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3329 nfa_state_T *matchstate;
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3330 nfa_state_T *ret = NULL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3331
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3332 if (postfix == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3333 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3334
4456
015a8fabf900 updated for version 7.3.976
Bram Moolenaar <bram@vim.org>
parents: 4454
diff changeset
3335 #define PUSH(s) st_push((s), &stackp, stack_end)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3336 #define POP() st_pop(&stackp, stack); \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3337 if (stackp < stack) \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3338 { \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3339 st_error(postfix, end, p); \
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3340 vim_free(stack); \
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3341 return NULL; \
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3342 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3343
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3344 if (nfa_calc_size == FALSE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3345 {
18498
9e6d5a4abb1c patch 8.1.2243: typos in comments
Bram Moolenaar <Bram@vim.org>
parents: 16825
diff changeset
3346 // Allocate space for the stack. Max states on the stack: "nstate".
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16782
diff changeset
3347 stack = ALLOC_MULT(Frag_T, nstate + 1);
15265
a7d02a56b5d5 patch 8.1.0641: no check for out-of-memory when converting regexp
Bram Moolenaar <Bram@vim.org>
parents: 14354
diff changeset
3348 if (stack == NULL)
a7d02a56b5d5 patch 8.1.0641: no check for out-of-memory when converting regexp
Bram Moolenaar <Bram@vim.org>
parents: 14354
diff changeset
3349 return NULL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3350 stackp = stack;
4462
a63361b90979 updated for version 7.3.979
Bram Moolenaar <bram@vim.org>
parents: 4460
diff changeset
3351 stack_end = stack + (nstate + 1);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3352 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3353
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3354 for (p = postfix; p < end; ++p)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3355 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3356 switch (*p)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3357 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3358 case NFA_CONCAT:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3359 // Concatenation.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3360 // Pay attention: this operator does not exist in the r.e. itself
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3361 // (it is implicit, really). It is added when r.e. is translated
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3362 // to postfix form in re2post().
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3363 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3364 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3365 // nstate += 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3366 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3367 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3368 e2 = POP();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3369 e1 = POP();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3370 patch(e1.out, e2.start);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3371 PUSH(frag(e1.start, e2.out));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3372 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3373
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3374 case NFA_OR:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3375 // Alternation
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3376 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3377 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3378 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3379 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3380 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3381 e2 = POP();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3382 e1 = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3383 s = alloc_state(NFA_SPLIT, e1.start, e2.start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3384 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3385 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3386 PUSH(frag(s, append(e1.out, e2.out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3387 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3388
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3389 case NFA_STAR:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3390 // Zero or more, prefer more
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3391 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3392 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3393 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3394 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3395 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3396 e = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3397 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3398 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3399 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3400 patch(e.out, s);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3401 PUSH(frag(s, list1(&s->out1)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3402 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3403
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3404 case NFA_STAR_NONGREEDY:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3405 // Zero or more, prefer zero
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3406 if (nfa_calc_size == TRUE)
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3407 {
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3408 nstate++;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3409 break;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3410 }
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3411 e = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3412 s = alloc_state(NFA_SPLIT, NULL, e.start);
4675
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3413 if (s == NULL)
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3414 goto theend;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3415 patch(e.out, s);
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3416 PUSH(frag(s, list1(&s->out)));
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3417 break;
811a4c9b51d8 updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents: 4673
diff changeset
3418
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3419 case NFA_QUEST:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3420 // one or zero atoms=> greedy match
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3421 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3422 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3423 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3424 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3425 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3426 e = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3427 s = alloc_state(NFA_SPLIT, e.start, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3428 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3429 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3430 PUSH(frag(s, append(e.out, list1(&s->out1))));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3431 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3432
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3433 case NFA_QUEST_NONGREEDY:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3434 // zero or one atoms => non-greedy match
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3435 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3436 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3437 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3438 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3439 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3440 e = POP();
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3441 s = alloc_state(NFA_SPLIT, NULL, e.start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3442 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3443 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3444 PUSH(frag(s, append(e.out, list1(&s->out))));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3445 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3446
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3447 case NFA_END_COLL:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3448 case NFA_END_NEG_COLL:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3449 // On the stack is the sequence starting with NFA_START_COLL or
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3450 // NFA_START_NEG_COLL and all possible characters. Patch it to
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3451 // add the output to the start.
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3452 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3453 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3454 nstate++;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3455 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3456 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3457 e = POP();
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3458 s = alloc_state(NFA_END_COLL, NULL, NULL);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3459 if (s == NULL)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3460 goto theend;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3461 patch(e.out, s);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3462 e.start->out1 = s;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3463 PUSH(frag(e.start, list1(&s->out)));
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3464 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3465
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3466 case NFA_RANGE:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3467 // Before this are two characters, the low and high end of a
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3468 // range. Turn them into two states with MIN and MAX.
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3469 if (nfa_calc_size == TRUE)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3470 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3471 // nstate += 0;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3472 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3473 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3474 e2 = POP();
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3475 e1 = POP();
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3476 e2.start->val = e2.start->c;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3477 e2.start->c = NFA_RANGE_MAX;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3478 e1.start->val = e1.start->c;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3479 e1.start->c = NFA_RANGE_MIN;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3480 patch(e1.out, e2.start);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3481 PUSH(frag(e1.start, e2.out));
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3482 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3483
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
3484 case NFA_EMPTY:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3485 // 0-length, used in a repetition with max/min count of 0
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3486 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3487 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3488 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3489 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3490 }
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
3491 s = alloc_state(NFA_EMPTY, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3492 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3493 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3494 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3495 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3496
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3497 case NFA_OPT_CHARS:
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3498 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3499 int n;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3500
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3501 // \%[abc] implemented as:
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3502 // NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3503 // +-CHAR(a)
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3504 // | +-NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3505 // | +-CHAR(b)
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3506 // | | +-NFA_SPLIT
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3507 // | | +-CHAR(c)
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3508 // | | | +-next
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3509 // | | +- next
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3510 // | +- next
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3511 // +- next
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3512 n = *++p; // get number of characters
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3513 if (nfa_calc_size == TRUE)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3514 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3515 nstate += n;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3516 break;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3517 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3518 s = NULL; // avoid compiler warning
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3519 e1.out = NULL; // stores list with out1's
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3520 s1 = NULL; // previous NFA_SPLIT to connect to
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3521 while (n-- > 0)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3522 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3523 e = POP(); // get character
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3524 s = alloc_state(NFA_SPLIT, e.start, NULL);
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3525 if (s == NULL)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3526 goto theend;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3527 if (e1.out == NULL)
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3528 e1 = e;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3529 patch(e.out, s1);
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3530 append(e1.out, list1(&s->out1));
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3531 s1 = s;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3532 }
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3533 PUSH(frag(s, e1.out));
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3534 break;
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3535 }
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3536
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3537 case NFA_PREV_ATOM_NO_WIDTH:
4661
0dce3d812e7a updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents: 4657
diff changeset
3538 case NFA_PREV_ATOM_NO_WIDTH_NEG:
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3539 case NFA_PREV_ATOM_JUST_BEFORE:
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3540 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3541 case NFA_PREV_ATOM_LIKE_PATTERN:
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3542 {
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3543 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3544 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG);
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3545 int pattern = (*p == NFA_PREV_ATOM_LIKE_PATTERN);
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3546 int start_state;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3547 int end_state;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3548 int n = 0;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3549 nfa_state_T *zend;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3550 nfa_state_T *skip;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3551
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3552 switch (*p)
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3553 {
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3554 case NFA_PREV_ATOM_NO_WIDTH:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3555 start_state = NFA_START_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3556 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3557 break;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3558 case NFA_PREV_ATOM_NO_WIDTH_NEG:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3559 start_state = NFA_START_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3560 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3561 break;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3562 case NFA_PREV_ATOM_JUST_BEFORE:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3563 start_state = NFA_START_INVISIBLE_BEFORE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3564 end_state = NFA_END_INVISIBLE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3565 break;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3566 case NFA_PREV_ATOM_JUST_BEFORE_NEG:
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3567 start_state = NFA_START_INVISIBLE_BEFORE_NEG;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3568 end_state = NFA_END_INVISIBLE_NEG;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3569 break;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3570 default: // NFA_PREV_ATOM_LIKE_PATTERN:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3571 start_state = NFA_START_PATTERN;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3572 end_state = NFA_END_PATTERN;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
3573 break;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3574 }
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3575
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3576 if (before)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3577 n = *++p; // get the count
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3578
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3579 // The \@= operator: match the preceding atom with zero width.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3580 // The \@! operator: no match for the preceding atom.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3581 // The \@<= operator: match for the preceding atom.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3582 // The \@<! operator: no match for the preceding atom.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3583 // Surrounds the preceding atom with START_INVISIBLE and
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3584 // END_INVISIBLE, similarly to MOPEN.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3585
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3586 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3587 {
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3588 nstate += pattern ? 4 : 2;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3589 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3590 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3591 e = POP();
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3592 s1 = alloc_state(end_state, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3593 if (s1 == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3594 goto theend;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3595
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3596 s = alloc_state(start_state, e.start, s1);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3597 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3598 goto theend;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3599 if (pattern)
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3600 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3601 // NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows.
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3602 skip = alloc_state(NFA_SKIP, NULL, NULL);
11896
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 11525
diff changeset
3603 if (skip == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 11525
diff changeset
3604 goto theend;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3605 zend = alloc_state(NFA_ZEND, s1, NULL);
11896
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 11525
diff changeset
3606 if (zend == NULL)
a941848d8c44 patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents: 11525
diff changeset
3607 goto theend;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3608 s1->out= skip;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3609 patch(e.out, zend);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3610 PUSH(frag(s, list1(&skip->out)));
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
3611 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3612 else
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3613 {
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3614 patch(e.out, s1);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3615 PUSH(frag(s, list1(&s1->out)));
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3616 if (before)
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3617 {
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3618 if (n <= 0)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3619 // See if we can guess the maximum width, it avoids a
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3620 // lot of pointless tries.
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3621 n = nfa_max_width(e.start, 0);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3622 s->val = n; // store the count
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
3623 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3624 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3625 break;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3626 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3627
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3628 case NFA_COMPOSING: // char with composing char
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3629 #if 0
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3630 // TODO
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3631 if (regflags & RF_ICOMBINE)
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3632 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3633 // use the base character only
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3634 }
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3635 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3636 // FALLTHROUGH
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3637
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3638 case NFA_MOPEN: // \( \) Submatch
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3639 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3640 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3641 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3642 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3643 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3644 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3645 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3646 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3647 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3648 #ifdef FEAT_SYN_HL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3649 case NFA_ZOPEN: // \z( \) Submatch
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3650 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3651 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3652 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3653 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3654 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3655 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3656 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3657 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3658 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3659 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3660 case NFA_NOPEN: // \%( \) "Invisible Submatch"
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3661 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3662 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3663 nstate += 2;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3664 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3665 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3666
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3667 mopen = *p;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3668 switch (*p)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3669 {
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3670 case NFA_NOPEN: mclose = NFA_NCLOSE; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3671 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3672 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3673 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3674 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3675 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3676 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3677 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3678 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3679 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3680 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3681 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3682 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3683 case NFA_COMPOSING: mclose = NFA_END_COMPOSING; break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3684 default:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3685 // NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3686 mclose = *p + NSUBEXP;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3687 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3688 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3689
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3690 // Allow "NFA_MOPEN" as a valid postfix representation for
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3691 // the empty regexp "". In this case, the NFA will be
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3692 // NFA_MOPEN -> NFA_MCLOSE. Note that this also allows
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3693 // empty groups of parenthesis, and empty mbyte chars
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3694 if (stackp == stack)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3695 {
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3696 s = alloc_state(mopen, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3697 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3698 goto theend;
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3699 s1 = alloc_state(mclose, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3700 if (s1 == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3701 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3702 patch(list1(&s->out), s1);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3703 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3704 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3705 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3706
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3707 // At least one node was emitted before NFA_MOPEN, so
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3708 // at least one node will be between NFA_MOPEN and NFA_MCLOSE
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3709 e = POP();
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3710 s = alloc_state(mopen, e.start, NULL); // `('
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3711 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3712 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3713
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3714 s1 = alloc_state(mclose, NULL, NULL); // `)'
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3715 if (s1 == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3716 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3717 patch(e.out, s1);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3718
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
3719 if (mopen == NFA_COMPOSING)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3720 // COMPOSING->out1 = END_COMPOSING
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3721 patch(list1(&s->out1), s1);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3722
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3723 PUSH(frag(s, list1(&s1->out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3724 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3725
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3726 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3727 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3728 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3729 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3730 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3731 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3732 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3733 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3734 case NFA_BACKREF9:
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3735 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3736 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3737 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3738 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3739 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3740 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3741 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3742 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3743 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3744 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3745 #endif
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3746 if (nfa_calc_size == TRUE)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3747 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3748 nstate += 2;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3749 break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3750 }
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3751 s = alloc_state(*p, NULL, NULL);
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3752 if (s == NULL)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3753 goto theend;
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3754 s1 = alloc_state(NFA_SKIP, NULL, NULL);
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3755 if (s1 == NULL)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3756 goto theend;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3757 patch(list1(&s->out), s1);
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3758 PUSH(frag(s, list1(&s1->out)));
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3759 break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3760
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3761 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3762 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3763 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3764 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3765 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3766 case NFA_VCOL_LT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3767 case NFA_COL:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3768 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3769 case NFA_COL_LT:
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
3770 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
3771 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
3772 case NFA_MARK_LT:
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3773 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3774 int n = *++p; // lnum, col or mark name
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3775
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3776 if (nfa_calc_size == TRUE)
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3777 {
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3778 nstate += 1;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3779 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3780 }
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3781 s = alloc_state(p[-1], NULL, NULL);
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3782 if (s == NULL)
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3783 goto theend;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3784 s->val = n;
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3785 PUSH(frag(s, list1(&s->out)));
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3786 break;
4740
97560c16ca99 updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents: 4738
diff changeset
3787 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
3788
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3789 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3790 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3791 default:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3792 // Operands
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3793 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3794 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3795 nstate++;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3796 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3797 }
4696
ed4e689bbea1 updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents: 4694
diff changeset
3798 s = alloc_state(*p, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3799 if (s == NULL)
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3800 goto theend;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3801 PUSH(frag(s, list1(&s->out)));
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3802 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3803
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3804 } // switch(*p)
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3805
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3806 } // for(p = postfix; *p; ++p)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3807
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3808 if (nfa_calc_size == TRUE)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3809 {
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
3810 nstate++;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3811 goto theend; // Return value when counting size is ignored anyway
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3812 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3813
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3814 e = POP();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3815 if (stackp != stack)
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3816 {
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3817 vim_free(stack);
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
3818 EMSG_RET_NULL(_(e_nfa_regexp_while_converting_from_postfix_to_nfa_too_many_stats_left_on_stack));
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3819 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3820
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3821 if (istate >= nstate)
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3822 {
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3823 vim_free(stack);
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
3824 EMSG_RET_NULL(_(e_nfa_regexp_not_enough_space_to_store_whole_nfa));
6747
4c4c8a53347b patch 7.4.696
Bram Moolenaar <bram@vim.org>
parents: 6653
diff changeset
3825 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3826
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3827 matchstate = &state_ptr[istate++]; // the match state
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3828 matchstate->c = NFA_MATCH;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3829 matchstate->out = matchstate->out1 = NULL;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
3830 matchstate->id = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3831
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3832 patch(e.out, matchstate);
4484
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3833 ret = e.start;
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3834
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3835 theend:
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3836 vim_free(stack);
9a1d78f82826 updated for version 7.3.990
Bram Moolenaar <bram@vim.org>
parents: 4482
diff changeset
3837 return ret;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3838
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3839 #undef POP1
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3840 #undef PUSH1
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3841 #undef POP2
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3842 #undef PUSH2
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3843 #undef POP
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3844 #undef PUSH
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3845 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3846
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3847 /*
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3848 * After building the NFA program, inspect it to add optimization hints.
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3849 */
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3850 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3851 nfa_postprocess(nfa_regprog_T *prog)
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3852 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3853 int i;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3854 int c;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3855
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3856 for (i = 0; i < prog->nstate; ++i)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3857 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3858 c = prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3859 if (c == NFA_START_INVISIBLE
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3860 || c == NFA_START_INVISIBLE_NEG
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3861 || c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3862 || c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3863 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3864 int directly;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3865
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3866 // Do it directly when what follows is possibly the end of the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3867 // match.
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3868 if (match_follows(prog->state[i].out1->out, 0))
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3869 directly = TRUE;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3870 else
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3871 {
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3872 int ch_invisible = failure_chance(prog->state[i].out, 0);
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3873 int ch_follows = failure_chance(prog->state[i].out1->out, 0);
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3874
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3875 // Postpone when the invisible match is expensive or has a
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3876 // lower chance of failing.
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3877 if (c == NFA_START_INVISIBLE_BEFORE
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3878 || c == NFA_START_INVISIBLE_BEFORE_NEG)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3879 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3880 // "before" matches are very expensive when
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3881 // unbounded, always prefer what follows then,
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3882 // unless what follows will always match.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3883 // Otherwise strongly prefer what follows.
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3884 if (prog->state[i].val <= 0 && ch_follows > 0)
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3885 directly = FALSE;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3886 else
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3887 directly = ch_follows * 10 < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3888 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3889 else
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3890 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3891 // normal invisible, first do the one with the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3892 // highest failure chance
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3893 directly = ch_follows < ch_invisible;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3894 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3895 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3896 if (directly)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3897 // switch to the _FIRST state
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3898 ++prog->state[i].c;
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3899 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3900 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3901 }
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
3902
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3903 /////////////////////////////////////////////////////////////////
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3904 // NFA execution code.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3905 /////////////////////////////////////////////////////////////////
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3906
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3907 typedef struct
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3908 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3909 int in_use; // number of subexpr with useful info
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3910
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3911 // When REG_MULTI is TRUE list.multi is used, otherwise list.line.
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3912 union
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3913 {
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3914 struct multipos
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3915 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3916 linenr_T start_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3917 linenr_T end_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3918 colnr_T start_col;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
3919 colnr_T end_col;
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
3920 } multi[NSUBEXP];
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3921 struct linepos
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3922 {
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3923 char_u *start;
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3924 char_u *end;
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
3925 } line[NSUBEXP];
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
3926 } list;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3927 } regsub_T;
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
3928
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3929 typedef struct
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3930 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3931 regsub_T norm; // \( .. \) matches
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3932 #ifdef FEAT_SYN_HL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3933 regsub_T synt; // \z( .. \) matches
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3934 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3935 } regsubs_T;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3936
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3937 // nfa_pim_T stores a Postponed Invisible Match.
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3938 typedef struct nfa_pim_S nfa_pim_T;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3939 struct nfa_pim_S
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3940 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3941 int result; // NFA_PIM_*, see below
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3942 nfa_state_T *state; // the invisible match start state
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3943 regsubs_T subs; // submatch info, only party used
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3944 union
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3945 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3946 lpos_T pos;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
3947 char_u *ptr;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3948 } end; // where the match must end
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3949 };
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
3950
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3951 // Values for done in nfa_pim_T.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3952 #define NFA_PIM_UNUSED 0 // pim not used
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3953 #define NFA_PIM_TODO 1 // pim not done yet
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3954 #define NFA_PIM_MATCH 2 // pim executed, matches
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3955 #define NFA_PIM_NOMATCH 3 // pim executed, no match
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3956
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3957
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3958 // nfa_thread_T contains execution information of a NFA state
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3959 typedef struct
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3960 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3961 nfa_state_T *state;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3962 int count;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3963 nfa_pim_T pim; // if pim.result != NFA_PIM_UNUSED: postponed
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3964 // invisible match
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3965 regsubs_T subs; // submatch info, only party used
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3966 } nfa_thread_T;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3967
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3968 // nfa_list_T contains the alternative NFA execution states.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3969 typedef struct
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
3970 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3971 nfa_thread_T *t; // allocated array of states
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3972 int n; // nr of states currently in "t"
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3973 int len; // max nr of states in "t"
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3974 int id; // ID of the list
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
3975 int has_pim; // TRUE when any state has a PIM
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3976 } nfa_list_T;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
3977
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3978 #ifdef ENABLE_LOG
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7258
diff changeset
3979 static void log_subexpr(regsub_T *sub);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3980
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3981 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3982 log_subsexpr(regsubs_T *subs)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3983 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3984 log_subexpr(&subs->norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3985 # ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
3986 if (rex.nfa_has_zsubexpr)
4770
b20dbf3a5370 updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents: 4768
diff changeset
3987 log_subexpr(&subs->synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3988 # endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3989 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
3990
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3991 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
3992 log_subexpr(regsub_T *sub)
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3993 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3994 int j;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3995
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3996 for (j = 0; j < sub->in_use; j++)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3997 if (REG_MULTI)
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
3998 fprintf(log_fd, "*** group %d, start: c=%d, l=%d, end: c=%d, l=%d\n",
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
3999 j,
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4000 sub->list.multi[j].start_col,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4001 (int)sub->list.multi[j].start_lnum,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4002 sub->list.multi[j].end_col,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4003 (int)sub->list.multi[j].end_lnum);
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4004 else
4746
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
4005 {
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
4006 char *s = (char *)sub->list.line[j].start;
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
4007 char *e = (char *)sub->list.line[j].end;
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
4008
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
4009 fprintf(log_fd, "*** group %d, start: \"%s\", end: \"%s\"\n",
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4010 j,
4746
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
4011 s == NULL ? "NULL" : s,
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
4012 e == NULL ? "NULL" : e);
d1376091d18b updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents: 4744
diff changeset
4013 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4014 }
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4015
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4016 static char *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4017 pim_info(nfa_pim_T *pim)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4018 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4019 static char buf[30];
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4020
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4021 if (pim == NULL || pim->result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4022 buf[0] = NUL;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4023 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4024 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4025 sprintf(buf, " PIM col %d", REG_MULTI ? (int)pim->end.pos.col
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4026 : (int)(pim->end.ptr - rex.input));
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4027 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4028 return buf;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4029 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4030
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4031 #endif
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4032
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4033 // Used during execution: whether a match has been found.
14309
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents: 14173
diff changeset
4034 static int nfa_match;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
4035 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
4036 static proftime_T *nfa_time_limit;
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
4037 static int *nfa_timed_out;
13192
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
4038 static int nfa_time_count;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
4039 #endif
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4040
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7258
diff changeset
4041 static void copy_sub(regsub_T *to, regsub_T *from);
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7258
diff changeset
4042 static int pim_equal(nfa_pim_T *one, nfa_pim_T *two);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4043
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4044 /*
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4045 * Copy postponed invisible match info from "from" to "to".
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4046 */
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4047 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4048 copy_pim(nfa_pim_T *to, nfa_pim_T *from)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4049 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4050 to->result = from->result;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4051 to->state = from->state;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4052 copy_sub(&to->subs.norm, &from->subs.norm);
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4053 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4054 if (rex.nfa_has_zsubexpr)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4055 copy_sub(&to->subs.synt, &from->subs.synt);
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4056 #endif
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4057 to->end = from->end;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4058 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4059
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4060 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4061 clear_sub(regsub_T *sub)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4062 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4063 if (REG_MULTI)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4064 // Use 0xff to set lnum to -1
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4065 vim_memset(sub->list.multi, 0xff,
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4066 sizeof(struct multipos) * rex.nfa_nsubexpr);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4067 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4068 vim_memset(sub->list.line, 0,
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4069 sizeof(struct linepos) * rex.nfa_nsubexpr);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4070 sub->in_use = 0;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4071 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4072
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4073 /*
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4074 * Copy the submatches from "from" to "to".
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4075 */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4076 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4077 copy_sub(regsub_T *to, regsub_T *from)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4078 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4079 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4080 if (from->in_use > 0)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4081 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4082 // Copy the match start and end positions.
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4083 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4084 mch_memmove(&to->list.multi[0],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4085 &from->list.multi[0],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4086 sizeof(struct multipos) * from->in_use);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4087 else
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4088 mch_memmove(&to->list.line[0],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4089 &from->list.line[0],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4090 sizeof(struct linepos) * from->in_use);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4091 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4092 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4093
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4094 /*
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4095 * Like copy_sub() but exclude the main match.
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4096 */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4097 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4098 copy_sub_off(regsub_T *to, regsub_T *from)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4099 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4100 if (to->in_use < from->in_use)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4101 to->in_use = from->in_use;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4102 if (from->in_use > 1)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4103 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4104 // Copy the match start and end positions.
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4105 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4106 mch_memmove(&to->list.multi[1],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4107 &from->list.multi[1],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4108 sizeof(struct multipos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4109 else
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4110 mch_memmove(&to->list.line[1],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4111 &from->list.line[1],
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4112 sizeof(struct linepos) * (from->in_use - 1));
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4113 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4114 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4115
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4116 /*
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4117 * Like copy_sub() but only do the end of the main match if \ze is present.
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4118 */
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4119 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4120 copy_ze_off(regsub_T *to, regsub_T *from)
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4121 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4122 if (rex.nfa_has_zend)
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4123 {
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4124 if (REG_MULTI)
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4125 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4126 if (from->list.multi[0].end_lnum >= 0)
13192
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
4127 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4128 to->list.multi[0].end_lnum = from->list.multi[0].end_lnum;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4129 to->list.multi[0].end_col = from->list.multi[0].end_col;
13192
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
4130 }
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4131 }
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4132 else
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4133 {
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4134 if (from->list.line[0].end != NULL)
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4135 to->list.line[0].end = from->list.line[0].end;
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4136 }
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4137 }
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4138 }
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4139
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
4140 /*
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4141 * Return TRUE if "sub1" and "sub2" have the same start positions.
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4142 * When using back-references also check the end position.
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4143 */
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4144 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4145 sub_equal(regsub_T *sub1, regsub_T *sub2)
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4146 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4147 int i;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4148 int todo;
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4149 linenr_T s1;
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4150 linenr_T s2;
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4151 char_u *sp1;
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4152 char_u *sp2;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4153
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4154 todo = sub1->in_use > sub2->in_use ? sub1->in_use : sub2->in_use;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4155 if (REG_MULTI)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4156 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4157 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4158 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4159 if (i < sub1->in_use)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4160 s1 = sub1->list.multi[i].start_lnum;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4161 else
5006
f451d60ab8ec updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents: 4997
diff changeset
4162 s1 = -1;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4163 if (i < sub2->in_use)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4164 s2 = sub2->list.multi[i].start_lnum;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4165 else
5006
f451d60ab8ec updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents: 4997
diff changeset
4166 s2 = -1;
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4167 if (s1 != s2)
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4168 return FALSE;
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4169 if (s1 != -1 && sub1->list.multi[i].start_col
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4170 != sub2->list.multi[i].start_col)
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4171 return FALSE;
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4172
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4173 if (rex.nfa_has_backref)
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4174 {
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4175 if (i < sub1->in_use)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4176 s1 = sub1->list.multi[i].end_lnum;
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4177 else
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4178 s1 = -1;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4179 if (i < sub2->in_use)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4180 s2 = sub2->list.multi[i].end_lnum;
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4181 else
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4182 s2 = -1;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4183 if (s1 != s2)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4184 return FALSE;
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4185 if (s1 != -1 && sub1->list.multi[i].end_col
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4186 != sub2->list.multi[i].end_col)
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4187 return FALSE;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4188 }
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4189 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4190 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4191 else
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4192 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4193 for (i = 0; i < todo; ++i)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4194 {
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4195 if (i < sub1->in_use)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4196 sp1 = sub1->list.line[i].start;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4197 else
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4198 sp1 = NULL;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4199 if (i < sub2->in_use)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4200 sp2 = sub2->list.line[i].start;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4201 else
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4202 sp2 = NULL;
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4203 if (sp1 != sp2)
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4204 return FALSE;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4205 if (rex.nfa_has_backref)
5893
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4206 {
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4207 if (i < sub1->in_use)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4208 sp1 = sub1->list.line[i].end;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4209 else
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4210 sp1 = NULL;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4211 if (i < sub2->in_use)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4212 sp2 = sub2->list.line[i].end;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4213 else
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4214 sp2 = NULL;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4215 if (sp1 != sp2)
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4216 return FALSE;
99374096a76b updated for version 7.4.289
Bram Moolenaar <bram@vim.org>
parents: 5838
diff changeset
4217 }
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4218 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4219 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4220
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4221 return TRUE;
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4222 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4223
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4224 #ifdef ENABLE_LOG
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4225 static void
27000
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4226 open_debug_log(int result)
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4227 {
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4228 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4229 if (log_fd == NULL)
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4230 {
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4231 emsg(_(e_log_open_failed));
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4232 log_fd = stderr;
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4233 }
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4234
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4235 fprintf(log_fd, "****************************\n");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4236 fprintf(log_fd, "FINISHED RUNNING nfa_regmatch() recursively\n");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4237 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : result == MAYBE
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4238 ? "MAYBE" : "FALSE");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4239 fprintf(log_fd, "****************************\n");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4240 }
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4241
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4242 static void
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4243 report_state(char *action,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4244 regsub_T *sub,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4245 nfa_state_T *state,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4246 int lid,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4247 nfa_pim_T *pim)
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4248 {
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4249 int col;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4250
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4251 if (sub->in_use <= 0)
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4252 col = -1;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4253 else if (REG_MULTI)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4254 col = sub->list.multi[0].start_col;
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4255 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4256 col = (int)(sub->list.line[0].start - rex.line);
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4257 nfa_set_code(state->c);
27000
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4258 if (log_fd == NULL)
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4259 open_debug_log(MAYBE);
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
4260
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4261 fprintf(log_fd, "> %s state %d to list %d. char %d: %s (start col %d)%s\n",
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4262 action, abs(state->id), lid, state->c, code, col,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4263 pim_info(pim));
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4264 }
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4265 #endif
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4266
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4267 /*
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4268 * Return TRUE if the same state is already in list "l" with the same
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4269 * positions as "subs".
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4270 */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4271 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4272 has_state_with_pos(
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4273 nfa_list_T *l, // runtime state list
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4274 nfa_state_T *state, // state to update
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4275 regsubs_T *subs, // pointers to subexpressions
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4276 nfa_pim_T *pim) // postponed match or NULL
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4277 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4278 nfa_thread_T *thread;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4279 int i;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4280
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4281 for (i = 0; i < l->n; ++i)
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4282 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4283 thread = &l->t[i];
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4284 if (thread->state->id == state->id
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4285 && sub_equal(&thread->subs.norm, &subs->norm)
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4286 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4287 && (!rex.nfa_has_zsubexpr
4893
07b9c48a30e9 updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents: 4891
diff changeset
4288 || sub_equal(&thread->subs.synt, &subs->synt))
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4289 #endif
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4290 && pim_equal(&thread->pim, pim))
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4291 return TRUE;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4292 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4293 return FALSE;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4294 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4295
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4296 /*
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4297 * Return TRUE if "one" and "two" are equal. That includes when both are not
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4298 * set.
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4299 */
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4300 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4301 pim_equal(nfa_pim_T *one, nfa_pim_T *two)
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4302 {
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4303 int one_unused = (one == NULL || one->result == NFA_PIM_UNUSED);
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4304 int two_unused = (two == NULL || two->result == NFA_PIM_UNUSED);
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4305
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4306 if (one_unused)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4307 // one is unused: equal when two is also unused
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4308 return two_unused;
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4309 if (two_unused)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4310 // one is used and two is not: not equal
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4311 return FALSE;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4312 // compare the state id
5298
e29f11399cce updated for version 7.4.002
Bram Moolenaar <bram@vim.org>
parents: 5296
diff changeset
4313 if (one->state->id != two->state->id)
e29f11399cce updated for version 7.4.002
Bram Moolenaar <bram@vim.org>
parents: 5296
diff changeset
4314 return FALSE;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4315 // compare the position
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4316 if (REG_MULTI)
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4317 return one->end.pos.lnum == two->end.pos.lnum
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4318 && one->end.pos.col == two->end.pos.col;
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4319 return one->end.ptr == two->end.ptr;
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4320 }
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4321
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4322 /*
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4323 * Return TRUE if "state" leads to a NFA_MATCH without advancing the input.
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4324 */
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4325 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4326 match_follows(nfa_state_T *startstate, int depth)
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4327 {
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4328 nfa_state_T *state = startstate;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4329
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4330 // avoid too much recursion
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4331 if (depth > 10)
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4332 return FALSE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4333
5184
c6dd0c545e5c updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents: 5074
diff changeset
4334 while (state != NULL)
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4335 {
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4336 switch (state->c)
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4337 {
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4338 case NFA_MATCH:
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4339 case NFA_MCLOSE:
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4340 case NFA_END_INVISIBLE:
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4341 case NFA_END_INVISIBLE_NEG:
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4342 case NFA_END_PATTERN:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4343 return TRUE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4344
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4345 case NFA_SPLIT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4346 return match_follows(state->out, depth + 1)
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4347 || match_follows(state->out1, depth + 1);
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4348
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4349 case NFA_START_INVISIBLE:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
4350 case NFA_START_INVISIBLE_FIRST:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4351 case NFA_START_INVISIBLE_BEFORE:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
4352 case NFA_START_INVISIBLE_BEFORE_FIRST:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4353 case NFA_START_INVISIBLE_NEG:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
4354 case NFA_START_INVISIBLE_NEG_FIRST:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4355 case NFA_START_INVISIBLE_BEFORE_NEG:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
4356 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4357 case NFA_COMPOSING:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4358 // skip ahead to next state
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4359 state = state->out1->out;
5184
c6dd0c545e5c updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents: 5074
diff changeset
4360 continue;
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4361
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4362 case NFA_ANY:
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
4363 case NFA_ANY_COMPOSING:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4364 case NFA_IDENT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4365 case NFA_SIDENT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4366 case NFA_KWORD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4367 case NFA_SKWORD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4368 case NFA_FNAME:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4369 case NFA_SFNAME:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4370 case NFA_PRINT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4371 case NFA_SPRINT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4372 case NFA_WHITE:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4373 case NFA_NWHITE:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4374 case NFA_DIGIT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4375 case NFA_NDIGIT:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4376 case NFA_HEX:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4377 case NFA_NHEX:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4378 case NFA_OCTAL:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4379 case NFA_NOCTAL:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4380 case NFA_WORD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4381 case NFA_NWORD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4382 case NFA_HEAD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4383 case NFA_NHEAD:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4384 case NFA_ALPHA:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4385 case NFA_NALPHA:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4386 case NFA_LOWER:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4387 case NFA_NLOWER:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4388 case NFA_UPPER:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4389 case NFA_NUPPER:
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
4390 case NFA_LOWER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
4391 case NFA_NLOWER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
4392 case NFA_UPPER_IC:
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
4393 case NFA_NUPPER_IC:
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4394 case NFA_START_COLL:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4395 case NFA_START_NEG_COLL:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4396 case NFA_NEWL:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4397 // state will advance input
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4398 return FALSE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4399
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4400 default:
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4401 if (state->c > 0)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4402 // state will advance input
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4403 return FALSE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4404
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4405 // Others: zero-width or possibly zero-width, might still find
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4406 // a match at the same position, keep looking.
4809
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4407 break;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4408 }
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4409 state = state->out;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4410 }
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4411 return FALSE;
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4412 }
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4413
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4414
4d7e3df04256 updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents: 4807
diff changeset
4415 /*
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4416 * Return TRUE if "state" is already in list "l".
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4417 */
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4418 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4419 state_in_list(
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4420 nfa_list_T *l, // runtime state list
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4421 nfa_state_T *state, // state to update
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4422 regsubs_T *subs) // pointers to subexpressions
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4423 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4424 if (state->lastlist[nfa_ll_index] == l->id)
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4425 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4426 if (!rex.nfa_has_backref || has_state_with_pos(l, state, subs, NULL))
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4427 return TRUE;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4428 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4429 return FALSE;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4430 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4431
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4432 // Offset used for "off" by addstate_here().
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4433 #define ADDSTATE_HERE_OFFSET 10
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4434
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4435 /*
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4436 * Add "state" and possibly what follows to state list ".".
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4437 * Returns "subs_arg", possibly copied into temp_subs.
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4438 * Returns NULL when recursiveness is too deep.
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4439 */
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4440 static regsubs_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4441 addstate(
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4442 nfa_list_T *l, // runtime state list
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4443 nfa_state_T *state, // state to update
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4444 regsubs_T *subs_arg, // pointers to subexpressions
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4445 nfa_pim_T *pim, // postponed look-behind match
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4446 int off_arg) // byte offset, when -1 go to next line
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4447 {
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4448 int subidx;
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4449 int off = off_arg;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4450 int add_here = FALSE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4451 int listindex = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4452 int k;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4453 int found = FALSE;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4454 nfa_thread_T *thread;
10168
3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
4455 struct multipos save_multipos;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4456 int save_in_use;
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4457 char_u *save_ptr;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4458 int i;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4459 regsub_T *sub;
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4460 regsubs_T *subs = subs_arg;
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4461 static regsubs_T temp_subs;
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4462 #ifdef ENABLE_LOG
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4463 int did_print = FALSE;
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4464 #endif
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4465 static int depth = 0;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4466
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4467 // This function is called recursively. When the depth is too much we run
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4468 // out of stack and crash, limit recursiveness here.
15800
483fda269100 patch 8.1.0907: CI tests on AppVeyor are failing
Bram Moolenaar <Bram@vim.org>
parents: 15796
diff changeset
4469 if (++depth >= 5000 || subs == NULL)
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4470 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4471 --depth;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4472 return NULL;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4473 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4474
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4475 if (off_arg <= -ADDSTATE_HERE_OFFSET)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4476 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4477 add_here = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4478 off = 0;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4479 listindex = -(off_arg + ADDSTATE_HERE_OFFSET);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4480 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4481
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4482 switch (state->c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4483 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4484 case NFA_NCLOSE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4485 case NFA_MCLOSE:
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4486 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4487 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4488 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4489 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4490 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4491 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4492 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4493 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4494 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4495 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4496 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4497 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4498 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4499 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4500 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4501 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4502 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4503 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4504 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4505 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4506 #endif
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4507 case NFA_MOPEN:
4748
4b9503f0c7d3 updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents: 4746
diff changeset
4508 case NFA_ZEND:
4815
6419ee8098c8 updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents: 4813
diff changeset
4509 case NFA_SPLIT:
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
4510 case NFA_EMPTY:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4511 // These nodes are not added themselves but their "out" and/or
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4512 // "out1" may be added below.
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4513 break;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4514
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4515 case NFA_BOL:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4516 case NFA_BOF:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4517 // "^" won't match past end-of-line, don't bother trying.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4518 // Except when at the end of the line, or when we are going to the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4519 // next line for a look-behind match.
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4520 if (rex.input > rex.line
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4521 && *rex.input != NUL
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4522 && (nfa_endp == NULL
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4523 || !REG_MULTI
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4524 || rex.lnum == nfa_endp->se_u.pos.lnum))
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4525 goto skip_add;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4526 // FALLTHROUGH
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4527
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4528 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4529 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4530 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4531 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4532 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4533 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4534 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4535 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4536 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4537 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4538 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4539 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4540 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4541 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4542 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4543 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4544 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4545 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4546 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4547 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4548 #endif
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
4549 case NFA_NOPEN:
4748
4b9503f0c7d3 updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents: 4746
diff changeset
4550 case NFA_ZSTART:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4551 // These nodes need to be added so that we can bail out when it
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4552 // was added to this list before at the same position to avoid an
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4553 // endless loop for "\(\)*"
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
4554
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4555 default:
5502
5ad60cd88339 updated for version 7.4.100
Bram Moolenaar <bram@vim.org>
parents: 5401
diff changeset
4556 if (state->lastlist[nfa_ll_index] == l->id && state->c != NFA_SKIP)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4557 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4558 // This state is already in the list, don't add it again,
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4559 // unless it is an MOPEN that is used for a backreference or
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4560 // when there is a PIM. For NFA_MATCH check the position,
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4561 // lower position is preferred.
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4562 if (!rex.nfa_has_backref && pim == NULL && !l->has_pim
5895
b871734bf54e updated for version 7.4.290
Bram Moolenaar <bram@vim.org>
parents: 5893
diff changeset
4563 && state->c != NFA_MATCH)
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4564 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4565 // When called from addstate_here() do insert before
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4566 // existing states.
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4567 if (add_here)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4568 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4569 for (k = 0; k < l->n && k < listindex; ++k)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4570 if (l->t[k].state->id == state->id)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4571 {
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4572 found = TRUE;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4573 break;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4574 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4575 }
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4576 if (!add_here || found)
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4577 {
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4578 skip_add:
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4579 #ifdef ENABLE_LOG
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4580 nfa_set_code(state->c);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4581 fprintf(log_fd, "> Not adding state %d to list %d. char %d: %s pim: %s has_pim: %d found: %d\n",
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4582 abs(state->id), l->id, state->c, code,
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4583 pim == NULL ? "NULL" : "yes", l->has_pim, found);
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4584 #endif
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4585 --depth;
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4586 return subs;
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4587 }
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4588 }
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4589
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4590 // Do not add the state again when it exists with the same
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4591 // positions.
5212
2741b46e96bf updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents: 5210
diff changeset
4592 if (has_state_with_pos(l, state, subs, pim))
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
4593 goto skip_add;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4594 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4595
15812
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4596 // When there are backreferences or PIMs the number of states may
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4597 // be (a lot) bigger than anticipated.
5006
f451d60ab8ec updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents: 4997
diff changeset
4598 if (l->n == l->len)
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4599 {
15806
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4600 int newlen = l->len * 3 / 2 + 50;
15812
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4601 size_t newsize = newlen * sizeof(nfa_thread_T);
15806
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4602 nfa_thread_T *newt;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4603
15812
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4604 if ((long)(newsize >> 10) >= p_mmp)
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4605 {
26883
7f150a4936f2 patch 8.2.3970: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26771
diff changeset
4606 emsg(_(e_pattern_uses_more_memory_than_maxmempattern));
15812
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4607 --depth;
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4608 return NULL;
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4609 }
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4610 if (subs != &temp_subs)
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4611 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4612 // "subs" may point into the current array, need to make a
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4613 // copy before it becomes invalid.
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4614 copy_sub(&temp_subs.norm, &subs->norm);
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4615 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4616 if (rex.nfa_has_zsubexpr)
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4617 copy_sub(&temp_subs.synt, &subs->synt);
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4618 #endif
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4619 subs = &temp_subs;
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4620 }
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4621
15812
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4622 newt = vim_realloc(l->t, newsize);
15806
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4623 if (newt == NULL)
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4624 {
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4625 // out of memory
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4626 --depth;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4627 return NULL;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4628 }
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4629 l->t = newt;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4630 l->len = newlen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4631 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4632
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4633 // add the state to the list
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
4634 state->lastlist[nfa_ll_index] = l->id;
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4635 thread = &l->t[l->n++];
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4636 thread->state = state;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4637 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4638 thread->pim.result = NFA_PIM_UNUSED;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4639 else
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
4640 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4641 copy_pim(&thread->pim, pim);
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
4642 l->has_pim = TRUE;
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
4643 }
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4644 copy_sub(&thread->subs.norm, &subs->norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4645 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4646 if (rex.nfa_has_zsubexpr)
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4647 copy_sub(&thread->subs.synt, &subs->synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4648 #endif
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4649 #ifdef ENABLE_LOG
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4650 report_state("Adding", &thread->subs.norm, state, l->id, pim);
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
4651 did_print = TRUE;
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4652 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4653 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4654
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4655 #ifdef ENABLE_LOG
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
4656 if (!did_print)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
4657 report_state("Processing", &subs->norm, state, l->id, pim);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4658 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4659 switch (state->c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4660 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4661 case NFA_MATCH:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4662 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4663
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4664 case NFA_SPLIT:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4665 // order matters here
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4666 subs = addstate(l, state->out, subs, pim, off_arg);
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4667 subs = addstate(l, state->out1, subs, pim, off_arg);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4668 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4669
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
4670 case NFA_EMPTY:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4671 case NFA_NOPEN:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4672 case NFA_NCLOSE:
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4673 subs = addstate(l, state->out, subs, pim, off_arg);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4674 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4675
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4676 case NFA_MOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4677 case NFA_MOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4678 case NFA_MOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4679 case NFA_MOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4680 case NFA_MOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4681 case NFA_MOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4682 case NFA_MOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4683 case NFA_MOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4684 case NFA_MOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4685 case NFA_MOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4686 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4687 case NFA_ZOPEN:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4688 case NFA_ZOPEN1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4689 case NFA_ZOPEN2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4690 case NFA_ZOPEN3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4691 case NFA_ZOPEN4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4692 case NFA_ZOPEN5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4693 case NFA_ZOPEN6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4694 case NFA_ZOPEN7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4695 case NFA_ZOPEN8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4696 case NFA_ZOPEN9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4697 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4698 case NFA_ZSTART:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4699 if (state->c == NFA_ZSTART)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4700 {
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4701 subidx = 0;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4702 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4703 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4704 #ifdef FEAT_SYN_HL
5300
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4705 else if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4706 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4707 subidx = state->c - NFA_ZOPEN;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4708 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4709 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4710 #endif
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4711 else
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4712 {
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4713 subidx = state->c - NFA_MOPEN;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4714 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4715 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4716
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4717 // avoid compiler warnings
5210
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4718 save_ptr = NULL;
20007
aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
4719 CLEAR_FIELD(save_multipos);
5210
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4720
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4721 // Set the position (with "off" added) in the subexpression. Save
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4722 // and restore it when it was in use. Otherwise fill any gap.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4723 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4724 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4725 if (subidx < sub->in_use)
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4726 {
10168
3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
4727 save_multipos = sub->list.multi[subidx];
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4728 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4729 }
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4730 else
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4731 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4732 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4733 for (i = sub->in_use; i < subidx; ++i)
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4734 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4735 sub->list.multi[i].start_lnum = -1;
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4736 sub->list.multi[i].end_lnum = -1;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4737 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4738 sub->in_use = subidx + 1;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4739 }
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4740 if (off == -1)
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4741 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4742 sub->list.multi[subidx].start_lnum = rex.lnum + 1;
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4743 sub->list.multi[subidx].start_col = 0;
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4744 }
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4745 else
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4746 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4747 sub->list.multi[subidx].start_lnum = rex.lnum;
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4748 sub->list.multi[subidx].start_col =
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4749 (colnr_T)(rex.input - rex.line + off);
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4750 }
7152
cbdc02d71a18 commit https://github.com/vim/vim/commit/c2b717ebd6719e722dcb5f10e4c74033a53ff7c7
Christian Brabandt <cb@256bit.org>
parents: 6914
diff changeset
4751 sub->list.multi[subidx].end_lnum = -1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4752 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4753 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4754 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4755 if (subidx < sub->in_use)
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4756 {
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4757 save_ptr = sub->list.line[subidx].start;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4758 save_in_use = -1;
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4759 }
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4760 else
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4761 {
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4762 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4763 for (i = sub->in_use; i < subidx; ++i)
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4764 {
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4765 sub->list.line[i].start = NULL;
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4766 sub->list.line[i].end = NULL;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4767 }
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4768 sub->in_use = subidx + 1;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4769 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4770 sub->list.line[subidx].start = rex.input + off;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4771 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4772
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4773 subs = addstate(l, state->out, subs, pim, off_arg);
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4774 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4775 break;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4776 // "subs" may have changed, need to set "sub" again
5300
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4777 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4778 if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9)
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4779 sub = &subs->synt;
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4780 else
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4781 #endif
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4782 sub = &subs->norm;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4783
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4784 if (save_in_use == -1)
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4785 {
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4786 if (REG_MULTI)
10168
3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
4787 sub->list.multi[subidx] = save_multipos;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4788 else
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4789 sub->list.line[subidx].start = save_ptr;
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
4790 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4791 else
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4792 sub->in_use = save_in_use;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4793 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4794
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4795 case NFA_MCLOSE:
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4796 if (rex.nfa_has_zend && (REG_MULTI
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4797 ? subs->norm.list.multi[0].end_lnum >= 0
5336
c514693882b9 updated for version 7.4.021
Bram Moolenaar <bram@vim.org>
parents: 5334
diff changeset
4798 : subs->norm.list.line[0].end != NULL))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4799 {
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4800 // Do not overwrite the position set by \ze.
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4801 subs = addstate(l, state->out, subs, pim, off_arg);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4802 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4803 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4804 // FALLTHROUGH
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4805 case NFA_MCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4806 case NFA_MCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4807 case NFA_MCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4808 case NFA_MCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4809 case NFA_MCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4810 case NFA_MCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4811 case NFA_MCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4812 case NFA_MCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4813 case NFA_MCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4814 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4815 case NFA_ZCLOSE:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4816 case NFA_ZCLOSE1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4817 case NFA_ZCLOSE2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4818 case NFA_ZCLOSE3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4819 case NFA_ZCLOSE4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4820 case NFA_ZCLOSE5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4821 case NFA_ZCLOSE6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4822 case NFA_ZCLOSE7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4823 case NFA_ZCLOSE8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4824 case NFA_ZCLOSE9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4825 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4826 case NFA_ZEND:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4827 if (state->c == NFA_ZEND)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4828 {
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4829 subidx = 0;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4830 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4831 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4832 #ifdef FEAT_SYN_HL
5300
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4833 else if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4834 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4835 subidx = state->c - NFA_ZCLOSE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4836 sub = &subs->synt;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4837 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4838 #endif
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4839 else
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4840 {
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
4841 subidx = state->c - NFA_MCLOSE;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4842 sub = &subs->norm;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
4843 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4844
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4845 // We don't fill in gaps here, there must have been an MOPEN that
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4846 // has done that.
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4847 save_in_use = sub->in_use;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4848 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4849 sub->in_use = subidx + 1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4850 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4851 {
10168
3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
4852 save_multipos = sub->list.multi[subidx];
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4853 if (off == -1)
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4854 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4855 sub->list.multi[subidx].end_lnum = rex.lnum + 1;
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4856 sub->list.multi[subidx].end_col = 0;
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4857 }
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4858 else
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4859 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4860 sub->list.multi[subidx].end_lnum = rex.lnum;
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
4861 sub->list.multi[subidx].end_col =
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4862 (colnr_T)(rex.input - rex.line + off);
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
4863 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4864 // avoid compiler warnings
5210
839ebe7c1b2f updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents: 5188
diff changeset
4865 save_ptr = NULL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4866 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4867 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4868 {
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4869 save_ptr = sub->list.line[subidx].end;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
4870 sub->list.line[subidx].end = rex.input + off;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4871 // avoid compiler warnings
20007
aadd1cae2ff5 patch 8.2.0559: clearing a struct is verbose
Bram Moolenaar <Bram@vim.org>
parents: 19405
diff changeset
4872 CLEAR_FIELD(save_multipos);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4873 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4874
10170
4acacf4081ce commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents: 10168
diff changeset
4875 subs = addstate(l, state->out, subs, pim, off_arg);
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4876 if (subs == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4877 break;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4878 // "subs" may have changed, need to set "sub" again
5300
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4879 #ifdef FEAT_SYN_HL
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4880 if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9)
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4881 sub = &subs->synt;
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4882 else
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4883 #endif
560a6a232950 updated for version 7.4.003
Bram Moolenaar <bram@vim.org>
parents: 5298
diff changeset
4884 sub = &subs->norm;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4885
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4886 if (REG_MULTI)
10168
3c37899baa8d commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
4887 sub->list.multi[subidx] = save_multipos;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4888 else
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
4889 sub->list.line[subidx].end = save_ptr;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
4890 sub->in_use = save_in_use;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4891 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4892 }
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4893 --depth;
5074
1cacf785299e updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents: 5058
diff changeset
4894 return subs;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4895 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4896
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4897 /*
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4898 * Like addstate(), but the new state(s) are put at position "*ip".
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4899 * Used for zero-width matches, next state to use is the added one.
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4900 * This makes sure the order of states to be tried does not change, which
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4901 * matters for alternatives.
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4902 */
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4903 static regsubs_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4904 addstate_here(
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4905 nfa_list_T *l, // runtime state list
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4906 nfa_state_T *state, // state to update
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4907 regsubs_T *subs, // pointers to subexpressions
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4908 nfa_pim_T *pim, // postponed look-behind match
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4909 int *ip)
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4910 {
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4911 int tlen = l->n;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4912 int count;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4913 int listidx = *ip;
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4914 regsubs_T *r;
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4915
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4916 // First add the state(s) at the end, so that we know how many there are.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4917 // Pass the listidx as offset (avoids adding another argument to
26771
fc859aea8cec patch 8.2.3914: various spelling mistakes in comments
Bram Moolenaar <Bram@vim.org>
parents: 26652
diff changeset
4918 // addstate()).
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4919 r = addstate(l, state, subs, pim, -listidx - ADDSTATE_HERE_OFFSET);
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4920 if (r == NULL)
15806
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4921 return NULL;
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4922
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4923 // when "*ip" was at the end of the list, nothing to do
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4924 if (listidx + 1 == tlen)
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4925 return r;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4926
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4927 // re-order to put the new state at the current position
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4928 count = l->n - tlen;
4924
6ae32a64e153 updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents: 4897
diff changeset
4929 if (count == 0)
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4930 return r; // no state got added
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4931 if (count == 1)
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4932 {
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4933 // overwrite the current state
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4934 l->t[listidx] = l->t[l->n - 1];
4647
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4935 }
857f6c53f117 updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents: 4615
diff changeset
4936 else if (count > 1)
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4937 {
5058
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4938 if (l->n + count - 1 >= l->len)
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4939 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4940 // not enough space to move the new states, reallocate the list
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4941 // and move the states to the right position
15806
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4942 int newlen = l->len * 3 / 2 + 50;
15812
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4943 size_t newsize = newlen * sizeof(nfa_thread_T);
15806
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4944 nfa_thread_T *newl;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4945
15812
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4946 if ((long)(newsize >> 10) >= p_mmp)
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4947 {
26883
7f150a4936f2 patch 8.2.3970: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26771
diff changeset
4948 emsg(_(e_pattern_uses_more_memory_than_maxmempattern));
15812
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4949 return NULL;
3808b583889e patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents: 15806
diff changeset
4950 }
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16782
diff changeset
4951 newl = alloc(newsize);
5058
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4952 if (newl == NULL)
15806
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4953 return NULL;
6a4e9d9f1d66 patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents: 15802
diff changeset
4954 l->len = newlen;
5058
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4955 mch_memmove(&(newl[0]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4956 &(l->t[0]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4957 sizeof(nfa_thread_T) * listidx);
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4958 mch_memmove(&(newl[listidx]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4959 &(l->t[l->n - count]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4960 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4961 mch_memmove(&(newl[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4962 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4963 sizeof(nfa_thread_T) * (l->n - count - listidx - 1));
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4964 vim_free(l->t);
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4965 l->t = newl;
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4966 }
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4967 else
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4968 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4969 // make space for new states, then move them from the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
4970 // end to the current position
5058
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4971 mch_memmove(&(l->t[listidx + count]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4972 &(l->t[listidx + 1]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4973 sizeof(nfa_thread_T) * (l->n - listidx - 1));
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4974 mch_memmove(&(l->t[listidx]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4975 &(l->t[l->n - 1]),
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4976 sizeof(nfa_thread_T) * count);
a00cd1839ac4 updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents: 5029
diff changeset
4977 }
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4978 }
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4979 --l->n;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
4980 *ip = listidx - 1;
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4981
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
4982 return r;
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4983 }
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4984
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
4985 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4986 * Check character class "class" against current character c.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4987 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4988 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
4989 check_char_class(int class, int c)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4990 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4991 switch (class)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4992 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4993 case NFA_CLASS_ALNUM:
9015
42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents: 8989
diff changeset
4994 if (c >= 1 && c < 128 && isalnum(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4995 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4996 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4997 case NFA_CLASS_ALPHA:
9015
42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents: 8989
diff changeset
4998 if (c >= 1 && c < 128 && isalpha(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
4999 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5000 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5001 case NFA_CLASS_BLANK:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5002 if (c == ' ' || c == '\t')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5003 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5004 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5005 case NFA_CLASS_CNTRL:
11267
588de97b40e7 patch 8.0.0519: character classes are not well tested
Christian Brabandt <cb@256bit.org>
parents: 11129
diff changeset
5006 if (c >= 1 && c <= 127 && iscntrl(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5007 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5008 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5009 case NFA_CLASS_DIGIT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5010 if (VIM_ISDIGIT(c))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5011 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5012 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5013 case NFA_CLASS_GRAPH:
11267
588de97b40e7 patch 8.0.0519: character classes are not well tested
Christian Brabandt <cb@256bit.org>
parents: 11129
diff changeset
5014 if (c >= 1 && c <= 127 && isgraph(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5015 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5016 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5017 case NFA_CLASS_LOWER:
9015
42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents: 8989
diff changeset
5018 if (MB_ISLOWER(c) && c != 170 && c != 186)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5019 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5020 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5021 case NFA_CLASS_PRINT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5022 if (vim_isprintc(c))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5023 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5024 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5025 case NFA_CLASS_PUNCT:
9015
42b228c8701b commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents: 8989
diff changeset
5026 if (c >= 1 && c < 128 && ispunct(c))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5027 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5028 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5029 case NFA_CLASS_SPACE:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5030 if ((c >= 9 && c <= 13) || (c == ' '))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5031 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5032 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5033 case NFA_CLASS_UPPER:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5034 if (MB_ISUPPER(c))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5035 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5036 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5037 case NFA_CLASS_XDIGIT:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5038 if (vim_isxdigit(c))
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5039 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5040 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5041 case NFA_CLASS_TAB:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5042 if (c == '\t')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5043 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5044 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5045 case NFA_CLASS_RETURN:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5046 if (c == '\r')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5047 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5048 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5049 case NFA_CLASS_BACKSPACE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5050 if (c == '\b')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5051 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5052 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5053 case NFA_CLASS_ESCAPE:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5054 if (c == '\033')
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5055 return OK;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5056 break;
15709
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5057 case NFA_CLASS_IDENT:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5058 if (vim_isIDc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5059 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5060 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5061 case NFA_CLASS_KEYWORD:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5062 if (reg_iswordc(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5063 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5064 break;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5065 case NFA_CLASS_FNAME:
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5066 if (vim_isfilec(c))
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5067 return OK;
2e2f07561f4b patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents: 15603
diff changeset
5068 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5069
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5070 default:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5071 // should not be here :P
26962
85866e069c24 patch 8.2.4010: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26958
diff changeset
5072 siemsg(_(e_nfa_regexp_invalid_character_class_nr), class);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
5073 return FAIL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5074 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5075 return FAIL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5076 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5077
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5078 /*
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5079 * Check for a match with subexpression "subidx".
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5080 * Return TRUE if it matches.
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5081 */
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5082 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5083 match_backref(
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5084 regsub_T *sub, // pointers to subexpressions
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5085 int subidx,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5086 int *bytelen) // out: length of match in bytes
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5087 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5088 int len;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5089
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5090 if (sub->in_use <= subidx)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5091 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5092 retempty:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5093 // backref was not set, match an empty string
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5094 *bytelen = 0;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5095 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5096 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5097
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5098 if (REG_MULTI)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5099 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5100 if (sub->list.multi[subidx].start_lnum < 0
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5101 || sub->list.multi[subidx].end_lnum < 0)
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5102 goto retempty;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5103 if (sub->list.multi[subidx].start_lnum == rex.lnum
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5104 && sub->list.multi[subidx].end_lnum == rex.lnum)
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5105 {
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5106 len = sub->list.multi[subidx].end_col
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5107 - sub->list.multi[subidx].start_col;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5108 if (cstrncmp(rex.line + sub->list.multi[subidx].start_col,
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5109 rex.input, &len) == 0)
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5110 {
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5111 *bytelen = len;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5112 return TRUE;
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5113 }
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5114 }
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5115 else
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5116 {
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5117 if (match_with_backref(
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5118 sub->list.multi[subidx].start_lnum,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5119 sub->list.multi[subidx].start_col,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5120 sub->list.multi[subidx].end_lnum,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5121 sub->list.multi[subidx].end_col,
4891
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5122 bytelen) == RA_MATCH)
4c42efb4c098 updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents: 4887
diff changeset
5123 return TRUE;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5124 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5125 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5126 else
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5127 {
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
5128 if (sub->list.line[subidx].start == NULL
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
5129 || sub->list.line[subidx].end == NULL)
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5130 goto retempty;
4577
b22bff1a6af8 updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents: 4573
diff changeset
5131 len = (int)(sub->list.line[subidx].end - sub->list.line[subidx].start);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5132 if (cstrncmp(sub->list.line[subidx].start, rex.input, &len) == 0)
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5133 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5134 *bytelen = len;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5135 return TRUE;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5136 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5137 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5138 return FALSE;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5139 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
5140
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5141 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5142
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5143 /*
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5144 * Check for a match with \z subexpression "subidx".
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5145 * Return TRUE if it matches.
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5146 */
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5147 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5148 match_zref(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5149 int subidx,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5150 int *bytelen) // out: length of match in bytes
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5151 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5152 int len;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5153
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5154 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5155 if (re_extmatch_in == NULL || re_extmatch_in->matches[subidx] == NULL)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5156 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5157 // backref was not set, match an empty string
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5158 *bytelen = 0;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5159 return TRUE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5160 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5161
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5162 len = (int)STRLEN(re_extmatch_in->matches[subidx]);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5163 if (cstrncmp(re_extmatch_in->matches[subidx], rex.input, &len) == 0)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5164 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5165 *bytelen = len;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5166 return TRUE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5167 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5168 return FALSE;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5169 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5170 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5171
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5172 /*
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5173 * Save list IDs for all NFA states of "prog" into "list".
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5174 * Also reset the IDs to zero.
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5175 * Only used for the recursive value lastlist[1].
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5176 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5177 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5178 nfa_save_listids(nfa_regprog_T *prog, int *list)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5179 {
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5180 int i;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5181 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5182
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5183 // Order in the list is reverse, it's a bit faster that way.
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5184 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5185 for (i = prog->nstate; --i >= 0; )
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5186 {
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5187 list[i] = p->lastlist[1];
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5188 p->lastlist[1] = 0;
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5189 ++p;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5190 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5191 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5192
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5193 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5194 * Restore list IDs from "list" to all NFA states.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5195 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5196 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5197 nfa_restore_listids(nfa_regprog_T *prog, int *list)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5198 {
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5199 int i;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5200 nfa_state_T *p;
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5201
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5202 p = &prog->state[0];
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5203 for (i = prog->nstate; --i >= 0; )
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5204 {
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5205 p->lastlist[1] = list[i];
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5206 ++p;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5207 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5208 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5209
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
5210 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5211 nfa_re_num_cmp(long_u val, int op, long_u pos)
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
5212 {
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
5213 if (op == 1) return pos > val;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
5214 if (op == 2) return pos < val;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
5215 return val == pos;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
5216 }
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
5217
7805
0b6c37dd858d commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents: 7258
diff changeset
5218 static int nfa_regmatch(nfa_regprog_T *prog, nfa_state_T *start, regsubs_T *submatch, regsubs_T *m);
4563
e7016af0cbf9 updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents: 4561
diff changeset
5219
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5220 /*
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5221 * Recursively call nfa_regmatch()
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5222 * "pim" is NULL or contains info about a Postponed Invisible Match (start
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5223 * position).
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5224 */
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5225 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5226 recursive_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5227 nfa_state_T *state,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5228 nfa_pim_T *pim,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5229 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5230 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5231 regsubs_T *m,
14309
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents: 14173
diff changeset
5232 int **listids,
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents: 14173
diff changeset
5233 int *listids_len)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5234 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5235 int save_reginput_col = (int)(rex.input - rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5236 int save_reglnum = rex.lnum;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5237 int save_nfa_match = nfa_match;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5238 int save_nfa_listid = rex.nfa_listid;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5239 save_se_T *save_nfa_endp = nfa_endp;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5240 save_se_T endpos;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5241 save_se_T *endposp = NULL;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5242 int result;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5243 int need_restore = FALSE;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5244
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5245 if (pim != NULL)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5246 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5247 // start at the position where the postponed match was
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5248 if (REG_MULTI)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5249 rex.input = rex.line + pim->end.pos.col;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5250 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5251 rex.input = pim->end.ptr;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5252 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5253
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5254 if (state->c == NFA_START_INVISIBLE_BEFORE
13192
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
5255 || state->c == NFA_START_INVISIBLE_BEFORE_FIRST
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
5256 || state->c == NFA_START_INVISIBLE_BEFORE_NEG
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
5257 || state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5258 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5259 // The recursive match must end at the current position. When "pim" is
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5260 // not NULL it specifies the current position.
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5261 endposp = &endpos;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5262 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5263 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5264 if (pim == NULL)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5265 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5266 endpos.se_u.pos.col = (int)(rex.input - rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5267 endpos.se_u.pos.lnum = rex.lnum;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5268 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5269 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5270 endpos.se_u.pos = pim->end.pos;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5271 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5272 else
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5273 {
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5274 if (pim == NULL)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5275 endpos.se_u.ptr = rex.input;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5276 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5277 endpos.se_u.ptr = pim->end.ptr;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5278 }
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5279
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5280 // Go back the specified number of bytes, or as far as the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5281 // start of the previous line, to try matching "\@<=" or
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5282 // not matching "\@<!". This is very inefficient, limit the number of
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5283 // bytes if possible.
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5284 if (state->val <= 0)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5285 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5286 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5287 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5288 rex.line = reg_getline(--rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5289 if (rex.line == NULL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5290 // can't go before the first line
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5291 rex.line = reg_getline(++rex.lnum);
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5292 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5293 rex.input = rex.line;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5294 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5295 else
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5296 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5297 if (REG_MULTI && (int)(rex.input - rex.line) < state->val)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5298 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5299 // Not enough bytes in this line, go to end of
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5300 // previous line.
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5301 rex.line = reg_getline(--rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5302 if (rex.line == NULL)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5303 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5304 // can't go before the first line
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5305 rex.line = reg_getline(++rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5306 rex.input = rex.line;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5307 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5308 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5309 rex.input = rex.line + STRLEN(rex.line);
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5310 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5311 if ((int)(rex.input - rex.line) >= state->val)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5312 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5313 rex.input -= state->val;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5314 if (has_mbyte)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5315 rex.input -= mb_head_off(rex.line, rex.input);
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5316 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5317 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5318 rex.input = rex.line;
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5319 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5320 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5321
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5322 #ifdef ENABLE_LOG
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5323 if (log_fd != stderr)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5324 fclose(log_fd);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5325 log_fd = NULL;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5326 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5327 // Have to clear the lastlist field of the NFA nodes, so that
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5328 // nfa_regmatch() and addstate() can run properly after recursion.
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5329 if (nfa_ll_index == 1)
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5330 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5331 // Already calling nfa_regmatch() recursively. Save the lastlist[1]
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5332 // values and clear them.
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5333 if (*listids == NULL || *listids_len < prog->nstate)
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5334 {
14309
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents: 14173
diff changeset
5335 vim_free(*listids);
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16782
diff changeset
5336 *listids = ALLOC_MULT(int, prog->nstate);
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5337 if (*listids == NULL)
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5338 {
26966
ac75c145f0a9 patch 8.2.4012: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 26962
diff changeset
5339 emsg(_(e_nfa_regexp_could_not_allocate_memory_for_branch_traversal));
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5340 return 0;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5341 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5342 *listids_len = prog->nstate;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5343 }
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5344 nfa_save_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5345 need_restore = TRUE;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5346 // any value of rex.nfa_listid will do
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5347 }
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5348 else
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5349 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5350 // First recursive nfa_regmatch() call, switch to the second lastlist
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5351 // entry. Make sure rex.nfa_listid is different from a previous
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5352 // recursive call, because some states may still have this ID.
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5353 ++nfa_ll_index;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5354 if (rex.nfa_listid <= rex.nfa_alt_listid)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5355 rex.nfa_listid = rex.nfa_alt_listid;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5356 }
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5357
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5358 // Call nfa_regmatch() to check if the current concat matches at this
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5359 // position. The concat ends with the node NFA_END_INVISIBLE
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5360 nfa_endp = endposp;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5361 result = nfa_regmatch(prog, state->out, submatch, m);
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5362
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5363 if (need_restore)
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5364 nfa_restore_listids(prog, *listids);
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5365 else
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5366 {
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5367 --nfa_ll_index;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5368 rex.nfa_alt_listid = rex.nfa_listid;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
5369 }
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5370
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5371 // restore position in input text
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5372 rex.lnum = save_reglnum;
4877
9e36c6b1ebf4 updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents: 4845
diff changeset
5373 if (REG_MULTI)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5374 rex.line = reg_getline(rex.lnum);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5375 rex.input = rex.line + save_reginput_col;
9371
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
5376 if (result != NFA_TOO_EXPENSIVE)
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
5377 {
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
5378 nfa_match = save_nfa_match;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5379 rex.nfa_listid = save_nfa_listid;
9371
3666915cac0b commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents: 9015
diff changeset
5380 }
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5381 nfa_endp = save_nfa_endp;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5382
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5383 #ifdef ENABLE_LOG
27000
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
5384 open_debug_log(result);
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5385 #endif
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5386
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5387 return result;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5388 }
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5389
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5390 /*
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5391 * Estimate the chance of a match with "state" failing.
4821
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5392 * empty match: 0
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5393 * NFA_ANY: 1
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5394 * specific character: 99
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5395 */
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5396 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5397 failure_chance(nfa_state_T *state, int depth)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5398 {
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5399 int c = state->c;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5400 int l, r;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5401
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5402 // detect looping
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5403 if (depth > 4)
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5404 return 1;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5405
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5406 switch (c)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5407 {
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5408 case NFA_SPLIT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5409 if (state->out->c == NFA_SPLIT || state->out1->c == NFA_SPLIT)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5410 // avoid recursive stuff
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5411 return 1;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5412 // two alternatives, use the lowest failure chance
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5413 l = failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5414 r = failure_chance(state->out1, depth + 1);
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5415 return l < r ? l : r;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5416
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5417 case NFA_ANY:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5418 // matches anything, unlikely to fail
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5419 return 1;
4821
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5420
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5421 case NFA_MATCH:
4821
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5422 case NFA_MCLOSE:
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
5423 case NFA_ANY_COMPOSING:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5424 // empty match works always
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5425 return 0;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5426
4897
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5427 case NFA_START_INVISIBLE:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5428 case NFA_START_INVISIBLE_FIRST:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5429 case NFA_START_INVISIBLE_NEG:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5430 case NFA_START_INVISIBLE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5431 case NFA_START_INVISIBLE_BEFORE:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5432 case NFA_START_INVISIBLE_BEFORE_FIRST:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5433 case NFA_START_INVISIBLE_BEFORE_NEG:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5434 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5435 case NFA_START_PATTERN:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5436 // recursive regmatch is expensive, use low failure chance
4897
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5437 return 5;
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
5438
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5439 case NFA_BOL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5440 case NFA_EOL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5441 case NFA_BOF:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5442 case NFA_EOF:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5443 case NFA_NEWL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5444 return 99;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5445
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5446 case NFA_BOW:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5447 case NFA_EOW:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5448 return 90;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5449
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5450 case NFA_MOPEN:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5451 case NFA_MOPEN1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5452 case NFA_MOPEN2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5453 case NFA_MOPEN3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5454 case NFA_MOPEN4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5455 case NFA_MOPEN5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5456 case NFA_MOPEN6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5457 case NFA_MOPEN7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5458 case NFA_MOPEN8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5459 case NFA_MOPEN9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5460 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5461 case NFA_ZOPEN:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5462 case NFA_ZOPEN1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5463 case NFA_ZOPEN2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5464 case NFA_ZOPEN3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5465 case NFA_ZOPEN4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5466 case NFA_ZOPEN5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5467 case NFA_ZOPEN6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5468 case NFA_ZOPEN7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5469 case NFA_ZOPEN8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5470 case NFA_ZOPEN9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5471 case NFA_ZCLOSE:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5472 case NFA_ZCLOSE1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5473 case NFA_ZCLOSE2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5474 case NFA_ZCLOSE3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5475 case NFA_ZCLOSE4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5476 case NFA_ZCLOSE5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5477 case NFA_ZCLOSE6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5478 case NFA_ZCLOSE7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5479 case NFA_ZCLOSE8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5480 case NFA_ZCLOSE9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5481 #endif
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5482 case NFA_NOPEN:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5483 case NFA_MCLOSE1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5484 case NFA_MCLOSE2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5485 case NFA_MCLOSE3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5486 case NFA_MCLOSE4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5487 case NFA_MCLOSE5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5488 case NFA_MCLOSE6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5489 case NFA_MCLOSE7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5490 case NFA_MCLOSE8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5491 case NFA_MCLOSE9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5492 case NFA_NCLOSE:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5493 return failure_chance(state->out, depth + 1);
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5494
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5495 case NFA_BACKREF1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5496 case NFA_BACKREF2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5497 case NFA_BACKREF3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5498 case NFA_BACKREF4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5499 case NFA_BACKREF5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5500 case NFA_BACKREF6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5501 case NFA_BACKREF7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5502 case NFA_BACKREF8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5503 case NFA_BACKREF9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5504 #ifdef FEAT_SYN_HL
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5505 case NFA_ZREF1:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5506 case NFA_ZREF2:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5507 case NFA_ZREF3:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5508 case NFA_ZREF4:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5509 case NFA_ZREF5:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5510 case NFA_ZREF6:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5511 case NFA_ZREF7:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5512 case NFA_ZREF8:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5513 case NFA_ZREF9:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5514 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5515 // backreferences don't match in many places
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5516 return 94;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5517
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5518 case NFA_LNUM_GT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5519 case NFA_LNUM_LT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5520 case NFA_COL_GT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5521 case NFA_COL_LT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5522 case NFA_VCOL_GT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5523 case NFA_VCOL_LT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5524 case NFA_MARK_GT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5525 case NFA_MARK_LT:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5526 case NFA_VISUAL:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5527 // before/after positions don't match very often
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5528 return 85;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5529
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5530 case NFA_LNUM:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5531 return 90;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5532
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5533 case NFA_CURSOR:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5534 case NFA_COL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5535 case NFA_VCOL:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5536 case NFA_MARK:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5537 // specific positions rarely match
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5538 return 98;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5539
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5540 case NFA_COMPOSING:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5541 return 95;
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5542
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5543 default:
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5544 if (c > 0)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5545 // character match fails often
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5546 return 95;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5547 }
4742
6a706ca7a889 updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents: 4740
diff changeset
5548
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5549 // something else, includes character classes
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5550 return 50;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5551 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5552
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5553 /*
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5554 * Skip until the char "c" we know a match must start with.
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5555 */
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5556 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5557 skip_to_start(int c, colnr_T *colp)
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5558 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5559 char_u *s;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5560
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5561 // Used often, do some work to avoid call overhead.
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15490
diff changeset
5562 if (!rex.reg_ic && !has_mbyte)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5563 s = vim_strbyte(rex.line + *colp, c);
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5564 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5565 s = cstrchr(rex.line + *colp, c);
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5566 if (s == NULL)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5567 return FAIL;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5568 *colp = (int)(s - rex.line);
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5569 return OK;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5570 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5571
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
5572 /*
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5573 * Check for a match with match_text.
4807
3dbd251777de updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents: 4805
diff changeset
5574 * Called after skip_to_start() has found regstart.
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5575 * Returns zero for no match, 1 for a match.
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5576 */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5577 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5578 find_match_text(colnr_T startcol, int regstart, char_u *match_text)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5579 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5580 colnr_T col = startcol;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5581 int c1, c2;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5582 int len1, len2;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5583 int match;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5584
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5585 for (;;)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5586 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5587 match = TRUE;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5588 len2 = MB_CHAR2LEN(regstart); // skip regstart
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5589 for (len1 = 0; match_text[len1] != NUL; len1 += MB_CHAR2LEN(c1))
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5590 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5591 c1 = PTR2CHAR(match_text + len1);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5592 c2 = PTR2CHAR(rex.line + col + len2);
20772
097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents: 20677
diff changeset
5593 if (c1 != c2 && (!rex.reg_ic || MB_CASEFOLD(c1) != MB_CASEFOLD(c2)))
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5594 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5595 match = FALSE;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5596 break;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5597 }
25747
1c999a6e9d92 patch 8.2.3409: reading beyond end of line with invalid utf-8 character
Bram Moolenaar <Bram@vim.org>
parents: 25320
diff changeset
5598 len2 += enc_utf8 ? utf_ptr2len(rex.line + col + len2)
1c999a6e9d92 patch 8.2.3409: reading beyond end of line with invalid utf-8 character
Bram Moolenaar <Bram@vim.org>
parents: 25320
diff changeset
5599 : MB_CHAR2LEN(c2);
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5600 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5601 if (match
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5602 // check that no composing char follows
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5603 && !(enc_utf8
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15490
diff changeset
5604 && utf_iscomposing(PTR2CHAR(rex.line + col + len2))))
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5605 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5606 cleanup_subexpr();
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5607 if (REG_MULTI)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5608 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5609 rex.reg_startpos[0].lnum = rex.lnum;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
5610 rex.reg_startpos[0].col = col;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5611 rex.reg_endpos[0].lnum = rex.lnum;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
5612 rex.reg_endpos[0].col = col + len2;
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5613 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5614 else
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5615 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5616 rex.reg_startp[0] = rex.line + col;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5617 rex.reg_endp[0] = rex.line + col + len2;
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5618 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5619 return 1L;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5620 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5621
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5622 // Try finding regstart after the current match.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5623 col += MB_CHAR2LEN(regstart); // skip regstart
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5624 if (skip_to_start(regstart, &col) == FAIL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5625 break;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5626 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5627 return 0L;
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5628 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5629
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5630 #ifdef FEAT_RELTIME
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5631 static int
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5632 nfa_did_time_out()
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5633 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5634 if (nfa_time_limit != NULL && profile_passed_limit(nfa_time_limit))
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5635 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5636 if (nfa_timed_out != NULL)
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5637 *nfa_timed_out = TRUE;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5638 return TRUE;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5639 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5640 return FALSE;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5641 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5642 #endif
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5643
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
5644 /*
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5645 * Main matching routine.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5646 *
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5647 * Run NFA to determine whether it matches rex.input.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5648 *
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
5649 * When "nfa_endp" is not NULL it is a required end-of-match position.
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5650 *
16491
38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable
Bram Moolenaar <Bram@vim.org>
parents: 16162
diff changeset
5651 * Return TRUE if there is a match, FALSE if there is no match,
38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable
Bram Moolenaar <Bram@vim.org>
parents: 16162
diff changeset
5652 * NFA_TOO_EXPENSIVE if we end up with too many states.
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
5653 * When there is a match "submatch" contains the positions.
16491
38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable
Bram Moolenaar <Bram@vim.org>
parents: 16162
diff changeset
5654 *
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5655 * Note: Caller must ensure that: start != NULL.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5656 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5657 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5658 nfa_regmatch(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5659 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5660 nfa_state_T *start,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5661 regsubs_T *submatch,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
5662 regsubs_T *m)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5663 {
16491
38a323a6fd18 patch 8.1.1249: compiler warning for uninitialized variable
Bram Moolenaar <Bram@vim.org>
parents: 16162
diff changeset
5664 int result = FALSE;
6545
1ef8ce97fc40 updated for version 7.4.599
Bram Moolenaar <bram@vim.org>
parents: 6533
diff changeset
5665 size_t size = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5666 int flag = 0;
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
5667 int go_to_nextline = FALSE;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
5668 nfa_thread_T *t;
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5669 nfa_list_T list[2];
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5670 int listidx;
4539
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
5671 nfa_list_T *thislist;
532c2e850256 updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents: 4537
diff changeset
5672 nfa_list_T *nextlist;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5673 int *listids = NULL;
14309
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents: 14173
diff changeset
5674 int listids_len = 0;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5675 nfa_state_T *add_state;
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5676 int add_here;
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5677 int add_count;
4819
8c4324e6f477 updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents: 4815
diff changeset
5678 int add_off = 0;
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5679 int toplevel = start->c == NFA_MOPEN;
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
5680 regsubs_T *r;
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4458
diff changeset
5681 #ifdef NFA_REGEXP_DEBUG_LOG
8989
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8841
diff changeset
5682 FILE *debug;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5683 #endif
8989
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8841
diff changeset
5684
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5685 // Some patterns may take a long time to match, especially when using
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5686 // recursive_regmatch(). Allow interrupting them with CTRL-C.
5310
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5687 fast_breakcheck();
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5688 if (got_int)
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5689 return FALSE;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
5690 #ifdef FEAT_RELTIME
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5691 if (nfa_did_time_out())
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
5692 return FALSE;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
5693 #endif
5310
b04bdb2c5fce updated for version 7.4.008
Bram Moolenaar <bram@vim.org>
parents: 5300
diff changeset
5694
8989
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8841
diff changeset
5695 #ifdef NFA_REGEXP_DEBUG_LOG
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8841
diff changeset
5696 debug = fopen(NFA_REGEXP_DEBUG_LOG, "a");
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8841
diff changeset
5697 if (debug == NULL)
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8841
diff changeset
5698 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15265
diff changeset
5699 semsg("(NFA) COULD NOT OPEN %s!", NFA_REGEXP_DEBUG_LOG);
8989
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8841
diff changeset
5700 return FALSE;
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8841
diff changeset
5701 }
e600e696c0a1 commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents: 8841
diff changeset
5702 #endif
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
5703 nfa_match = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5704
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5705 // Allocate memory for the lists of nodes.
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5706 size = (prog->nstate + 1) * sizeof(nfa_thread_T);
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5707
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16782
diff changeset
5708 list[0].t = alloc(size);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5709 list[0].len = prog->nstate + 1;
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16782
diff changeset
5710 list[1].t = alloc(size);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5711 list[1].len = prog->nstate + 1;
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5712 if (list[0].t == NULL || list[1].t == NULL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5713 goto theend;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5714
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5715 #ifdef ENABLE_LOG
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
5716 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a");
27000
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
5717 if (log_fd == NULL)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5718 {
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15265
diff changeset
5719 emsg(_(e_log_open_failed));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5720 log_fd = stderr;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5721 }
27000
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
5722 fprintf(log_fd, "**********************************\n");
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
5723 nfa_set_code(start->c);
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
5724 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n",
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
5725 abs(start->id), code);
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
5726 fprintf(log_fd, "**********************************\n");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5727 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5728
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5729 thislist = &list[0];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5730 thislist->n = 0;
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
5731 thislist->has_pim = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5732 nextlist = &list[1];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5733 nextlist->n = 0;
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
5734 nextlist->has_pim = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5735 #ifdef ENABLE_LOG
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5736 fprintf(log_fd, "(---) STARTSTATE first\n");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5737 #endif
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5738 thislist->id = rex.nfa_listid + 1;
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5739
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5740 // Inline optimized code for addstate(thislist, start, m, 0) if we know
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5741 // it's the first MOPEN.
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5742 if (toplevel)
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5743 {
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5744 if (REG_MULTI)
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5745 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5746 m->norm.list.multi[0].start_lnum = rex.lnum;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5747 m->norm.list.multi[0].start_col = (colnr_T)(rex.input - rex.line);
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5748 }
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5749 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5750 m->norm.list.line[0].start = rex.input;
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5751 m->norm.in_use = 1;
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
5752 r = addstate(thislist, start->out, m, NULL, 0);
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5753 }
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
5754 else
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
5755 r = addstate(thislist, start, m, NULL, 0);
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
5756 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
5757 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
5758 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
5759 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
5760 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5761
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5762 #define ADD_STATE_IF_MATCH(state) \
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5763 if (result) { \
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5764 add_state = state->out; \
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5765 add_off = clen; \
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5766 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5767
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5768 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5769 * Run for each character.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5770 */
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5771 for (;;)
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5772 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5773 int curc;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5774 int clen;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5775
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5776 if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5777 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5778 curc = (*mb_ptr2char)(rex.input);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5779 clen = (*mb_ptr2len)(rex.input);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5780 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5781 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5782 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5783 curc = *rex.input;
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5784 clen = 1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5785 }
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5786 if (curc == NUL)
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5787 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5788 clen = 0;
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5789 go_to_nextline = FALSE;
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5790 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5791
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5792 // swap lists
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5793 thislist = &list[flag];
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5794 nextlist = &list[flag ^= 1];
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5795 nextlist->n = 0; // clear nextlist
5227
a08fa2919f2b updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents: 5221
diff changeset
5796 nextlist->has_pim = FALSE;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5797 ++rex.nfa_listid;
14161
7cac4646c552 patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents: 14159
diff changeset
5798 if (prog->re_engine == AUTOMATIC_ENGINE
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5799 && (rex.nfa_listid >= NFA_MAX_STATES
14173
4b59671bce9c patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents: 14163
diff changeset
5800 # ifdef FEAT_EVAL
4b59671bce9c patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents: 14163
diff changeset
5801 || nfa_fail_for_testing
4b59671bce9c patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents: 14163
diff changeset
5802 # endif
4b59671bce9c patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents: 14163
diff changeset
5803 ))
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5804 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5805 // too many states, retry with old engine
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5806 nfa_match = NFA_TOO_EXPENSIVE;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5807 goto theend;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5808 }
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
5809
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5810 thislist->id = rex.nfa_listid;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5811 nextlist->id = rex.nfa_listid + 1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5812
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5813 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5814 fprintf(log_fd, "------------------------------------------\n");
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5815 fprintf(log_fd, ">>> Reginput is \"%s\"\n", rex.input);
14145
1cf832945469 patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents: 14121
diff changeset
5816 fprintf(log_fd, ">>> Advanced one character... Current char is %c (code %d) \n", curc, (int)curc);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5817 fprintf(log_fd, ">>> Thislist has %d states available: ", thislist->n);
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5818 {
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5819 int i;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5820
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5821 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5822 fprintf(log_fd, "%d ", abs(thislist->t[i].state->id));
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
5823 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5824 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5825 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5826
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4458
diff changeset
5827 #ifdef NFA_REGEXP_DEBUG_LOG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5828 fprintf(debug, "\n-------------------\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5829 #endif
4480
035fb0d5e7ce updated for version 7.3.988
Bram Moolenaar <bram@vim.org>
parents: 4470
diff changeset
5830 /*
035fb0d5e7ce updated for version 7.3.988
Bram Moolenaar <bram@vim.org>
parents: 4470
diff changeset
5831 * If the state lists are empty we can stop.
035fb0d5e7ce updated for version 7.3.988
Bram Moolenaar <bram@vim.org>
parents: 4470
diff changeset
5832 */
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5833 if (thislist->n == 0)
4480
035fb0d5e7ce updated for version 7.3.988
Bram Moolenaar <bram@vim.org>
parents: 4470
diff changeset
5834 break;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5835
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5836 // compute nextlist
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5837 for (listidx = 0; listidx < thislist->n; ++listidx)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5838 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5839 // If the list gets very long there probably is something wrong.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5840 // At least allow interrupting with CTRL-C.
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5841 fast_breakcheck();
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5842 if (got_int)
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5843 break;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5844 #ifdef FEAT_RELTIME
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5845 if (nfa_time_limit != NULL && ++nfa_time_count == 20)
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5846 {
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5847 nfa_time_count = 0;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5848 if (nfa_did_time_out())
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5849 break;
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5850 }
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
5851 #endif
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5852 t = &thislist->t[listidx];
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5853
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4458
diff changeset
5854 #ifdef NFA_REGEXP_DEBUG_LOG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5855 nfa_set_code(t->state->c);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5856 fprintf(debug, "%s, ", code);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5857 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5858 #ifdef ENABLE_LOG
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5859 {
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5860 int col;
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5861
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
5862 if (t->subs.norm.in_use <= 0)
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5863 col = -1;
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5864 else if (REG_MULTI)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
5865 col = t->subs.norm.list.multi[0].start_col;
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5866 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5867 col = (int)(t->subs.norm.list.line[0].start - rex.line);
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5868 nfa_set_code(t->state->c);
14145
1cf832945469 patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents: 14121
diff changeset
5869 fprintf(log_fd, "(%d) char %d %s (start col %d)%s... \n",
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5870 abs(t->state->id), (int)t->state->c, code, col,
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
5871 pim_info(&t->pim));
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
5872 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5873 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5874
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5875 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5876 * Handle the possible codes of the current state.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5877 * The most important is NFA_MATCH.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5878 */
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5879 add_state = NULL;
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
5880 add_here = FALSE;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5881 add_count = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5882 switch (t->state->c)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5883 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5884 case NFA_MATCH:
4567
96c1a7850097 updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents: 4565
diff changeset
5885 {
23262
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining
Bram Moolenaar <Bram@vim.org>
parents: 23251
diff changeset
5886 // If the match is not at the start of the line, ends before a
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining
Bram Moolenaar <Bram@vim.org>
parents: 23251
diff changeset
5887 // composing characters and rex.reg_icombine is not set, that
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining
Bram Moolenaar <Bram@vim.org>
parents: 23251
diff changeset
5888 // is not really a match.
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining
Bram Moolenaar <Bram@vim.org>
parents: 23251
diff changeset
5889 if (enc_utf8 && !rex.reg_icombine
dca9e6b931d3 patch 8.2.2177: pattern "^" does not match if first character is combining
Bram Moolenaar <Bram@vim.org>
parents: 23251
diff changeset
5890 && rex.input != rex.line && utf_iscomposing(curc))
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
5891 break;
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15490
diff changeset
5892
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
5893 nfa_match = TRUE;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5894 copy_sub(&submatch->norm, &t->subs.norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5895 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5896 if (rex.nfa_has_zsubexpr)
4712
832bf8136d86 updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents: 4696
diff changeset
5897 copy_sub(&submatch->synt, &t->subs.synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5898 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5899 #ifdef ENABLE_LOG
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5900 log_subsexpr(&t->subs);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5901 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5902 // Found the left-most longest match, do not look at any other
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5903 // states at this position. When the list of states is going
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5904 // to be empty quit without advancing, so that "rex.input" is
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5905 // correct.
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
5906 if (nextlist->n == 0)
4553
7b835b2969af updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents: 4551
diff changeset
5907 clen = 0;
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
5908 goto nextchar;
4567
96c1a7850097 updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents: 4565
diff changeset
5909 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5910
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5911 case NFA_END_INVISIBLE:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5912 case NFA_END_INVISIBLE_NEG:
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5913 case NFA_END_PATTERN:
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5914 /*
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5915 * This is only encountered after a NFA_START_INVISIBLE or
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5916 * NFA_START_INVISIBLE_BEFORE node.
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5917 * They surround a zero-width group, used with "\@=", "\&",
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5918 * "\@!", "\@<=" and "\@<!".
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5919 * If we got here, it means that the current "invisible" group
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5920 * finished successfully, so return control to the parent
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5921 * nfa_regmatch(). For a look-behind match only when it ends
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5922 * in the position in "nfa_endp".
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5923 * Submatches are stored in *m, and used in the parent call.
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5924 */
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5925 #ifdef ENABLE_LOG
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5926 if (nfa_endp != NULL)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5927 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5928 if (REG_MULTI)
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5929 fprintf(log_fd, "Current lnum: %d, endp lnum: %d; current col: %d, endp col: %d\n",
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5930 (int)rex.lnum,
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5931 (int)nfa_endp->se_u.pos.lnum,
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5932 (int)(rex.input - rex.line),
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5933 nfa_endp->se_u.pos.col);
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5934 else
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5935 fprintf(log_fd, "Current col: %d, endp col: %d\n",
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5936 (int)(rex.input - rex.line),
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5937 (int)(nfa_endp->se_u.ptr - rex.input));
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5938 }
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5939 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5940 // If "nfa_endp" is set it's only a match if it ends at
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5941 // "nfa_endp"
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5942 if (nfa_endp != NULL && (REG_MULTI
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5943 ? (rex.lnum != nfa_endp->se_u.pos.lnum
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5944 || (int)(rex.input - rex.line)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5945 != nfa_endp->se_u.pos.col)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5946 : rex.input != nfa_endp->se_u.ptr))
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5947 break;
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5948
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5949 // do not set submatches for \@!
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5950 if (t->state->c != NFA_END_INVISIBLE_NEG)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5951 {
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5952 copy_sub(&m->norm, &t->subs.norm);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5953 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5954 if (rex.nfa_has_zsubexpr)
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5955 copy_sub(&m->synt, &t->subs.synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
5956 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5957 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5958 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5959 fprintf(log_fd, "Match found:\n");
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5960 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
5961 #endif
4716
a804309e7327 updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents: 4714
diff changeset
5962 nfa_match = TRUE;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5963 // See comment above at "goto nextchar".
5334
c1ae5baa41f4 updated for version 7.4.020
Bram Moolenaar <bram@vim.org>
parents: 5310
diff changeset
5964 if (nextlist->n == 0)
c1ae5baa41f4 updated for version 7.4.020
Bram Moolenaar <bram@vim.org>
parents: 5310
diff changeset
5965 clen = 0;
c1ae5baa41f4 updated for version 7.4.020
Bram Moolenaar <bram@vim.org>
parents: 5310
diff changeset
5966 goto nextchar;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5967
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5968 case NFA_START_INVISIBLE:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5969 case NFA_START_INVISIBLE_FIRST:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5970 case NFA_START_INVISIBLE_NEG:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5971 case NFA_START_INVISIBLE_NEG_FIRST:
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
5972 case NFA_START_INVISIBLE_BEFORE:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5973 case NFA_START_INVISIBLE_BEFORE_FIRST:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
5974 case NFA_START_INVISIBLE_BEFORE_NEG:
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5975 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST:
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
5976 {
4821
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5977 #ifdef ENABLE_LOG
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5978 fprintf(log_fd, "Failure chance invisible: %d, what follows: %d\n",
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5979 failure_chance(t->state->out, 0),
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5980 failure_chance(t->state->out1->out, 0));
2f1ee97f5f23 updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents: 4819
diff changeset
5981 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5982 // Do it directly if there already is a PIM or when
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5983 // nfa_postprocess() detected it will work better.
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5984 if (t->pim.result != NFA_PIM_UNUSED
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5985 || t->state->c == NFA_START_INVISIBLE_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5986 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5987 || t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
5988 || t->state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
5989 {
5029
c9e2ccc53f2e updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents: 5006
diff changeset
5990 int in_use = m->norm.in_use;
c9e2ccc53f2e updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents: 5006
diff changeset
5991
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5992 // Copy submatch info for the recursive call, opposite
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
5993 // of what happens on success below.
4997
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
5994 copy_sub_off(&m->norm, &t->subs.norm);
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5995 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
5996 if (rex.nfa_has_zsubexpr)
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5997 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
5998 #endif
4997
8a7d3a73adab updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents: 4958
diff changeset
5999
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6000 /*
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6001 * First try matching the invisible match, then what
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6002 * follows.
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6003 */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6004 result = recursive_regmatch(t->state, NULL, prog,
14309
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents: 14173
diff changeset
6005 submatch, m, &listids, &listids_len);
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6006 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6007 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6008 nfa_match = result;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6009 goto theend;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6010 }
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6011
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6012 // for \@! and \@<! it is a match when the result is
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6013 // FALSE
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6014 if (result != (t->state->c == NFA_START_INVISIBLE_NEG
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6015 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6016 || t->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6017 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6018 || t->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6019 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6020 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6021 // Copy submatch info from the recursive call
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6022 copy_sub_off(&t->subs.norm, &m->norm);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6023 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6024 if (rex.nfa_has_zsubexpr)
4768
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
6025 copy_sub_off(&t->subs.synt, &m->synt);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6026 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6027 // If the pattern has \ze and it matched in the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6028 // sub pattern, use it.
5372
c3d379c2a115 updated for version 7.4.037
Bram Moolenaar <bram@vim.org>
parents: 5370
diff changeset
6029 copy_ze_off(&t->subs.norm, &m->norm);
4657
93b7ed814bec updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents: 4655
diff changeset
6030
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6031 // t->state->out1 is the corresponding
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6032 // END_INVISIBLE node; Add its out to the current
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6033 // list (zero-width match).
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6034 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6035 add_state = t->state->out1->out;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6036 }
5029
c9e2ccc53f2e updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents: 5006
diff changeset
6037 m->norm.in_use = in_use;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6038 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6039 else
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6040 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6041 nfa_pim_T pim;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6042
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6043 /*
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6044 * First try matching what follows. Only if a match
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6045 * is found verify the invisible match matches. Add a
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6046 * nfa_pim_T to the following states, it contains info
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6047 * about the invisible match.
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6048 */
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6049 pim.state = t->state;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6050 pim.result = NFA_PIM_TODO;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6051 pim.subs.norm.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6052 #ifdef FEAT_SYN_HL
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6053 pim.subs.synt.in_use = 0;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6054 #endif
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6055 if (REG_MULTI)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6056 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6057 pim.end.pos.col = (int)(rex.input - rex.line);
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6058 pim.end.pos.lnum = rex.lnum;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6059 }
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6060 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6061 pim.end.ptr = rex.input;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6062
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6063 // t->state->out1 is the corresponding END_INVISIBLE
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6064 // node; Add its out to the current list (zero-width
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6065 // match).
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6066 if (addstate_here(thislist, t->state->out1->out,
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6067 &t->subs, &pim, &listidx) == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6068 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6069 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6070 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6071 }
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6072 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6073 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6074 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6075
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6076 case NFA_START_PATTERN:
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6077 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6078 nfa_state_T *skip = NULL;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6079 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6080 int skip_lid = 0;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6081 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6082
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6083 // There is no point in trying to match the pattern if the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6084 // output state is not going to be added to the list.
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6085 if (state_in_list(nextlist, t->state->out1->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6086 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6087 skip = t->state->out1->out;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6088 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6089 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6090 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6091 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6092 else if (state_in_list(nextlist,
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6093 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6094 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6095 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6096 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6097 skip_lid = nextlist->id;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6098 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6099 }
4897
91136a41f83f updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents: 4893
diff changeset
6100 else if (state_in_list(thislist,
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6101 t->state->out1->out->out, &t->subs))
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6102 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6103 skip = t->state->out1->out->out;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6104 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6105 skip_lid = thislist->id;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6106 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6107 }
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6108 if (skip != NULL)
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6109 {
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6110 #ifdef ENABLE_LOG
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6111 nfa_set_code(skip->c);
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6112 fprintf(log_fd, "> Not trying to match pattern, output state %d is already in list %d. char %d: %s\n",
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6113 abs(skip->id), skip_lid, skip->c, code);
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6114 #endif
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6115 break;
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6116 }
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6117 // Copy submatch info to the recursive call, opposite of what
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6118 // happens afterwards.
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
6119 copy_sub_off(&m->norm, &t->subs.norm);
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
6120 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6121 if (rex.nfa_has_zsubexpr)
5370
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
6122 copy_sub_off(&m->synt, &t->subs.synt);
90e2f0729a0d updated for version 7.4.036
Bram Moolenaar <bram@vim.org>
parents: 5360
diff changeset
6123 #endif
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6124
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6125 // First try matching the pattern.
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6126 result = recursive_regmatch(t->state, NULL, prog,
14309
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents: 14173
diff changeset
6127 submatch, m, &listids, &listids_len);
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6128 if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6129 {
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6130 nfa_match = result;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6131 goto theend;
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
6132 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6133 if (result)
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6134 {
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6135 int bytelen;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6136
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6137 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6138 fprintf(log_fd, "NFA_START_PATTERN matches:\n");
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6139 log_subsexpr(m);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6140 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6141 // Copy submatch info from the recursive call
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6142 copy_sub_off(&t->subs.norm, &m->norm);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6143 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6144 if (rex.nfa_has_zsubexpr)
4768
82e6588762e4 updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents: 4762
diff changeset
6145 copy_sub_off(&t->subs.synt, &m->synt);
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6146 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6147 // Now we need to skip over the matched text and then
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6148 // continue with what follows.
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6149 if (REG_MULTI)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6150 // TODO: multi-line match
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
6151 bytelen = m->norm.list.multi[0].end_col
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6152 - (int)(rex.input - rex.line);
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6153 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6154 bytelen = (int)(m->norm.list.line[0].end - rex.input);
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6155
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6156 #ifdef ENABLE_LOG
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6157 fprintf(log_fd, "NFA_START_PATTERN length: %d\n", bytelen);
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6158 #endif
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6159 if (bytelen == 0)
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6160 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6161 // empty match, output of corresponding
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6162 // NFA_END_PATTERN/NFA_SKIP to be used at current
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6163 // position
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6164 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6165 add_state = t->state->out1->out->out;
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6166 }
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6167 else if (bytelen <= clen)
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6168 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6169 // match current character, output of corresponding
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6170 // NFA_END_PATTERN to be used at next position.
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6171 add_state = t->state->out1->out->out;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6172 add_off = clen;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6173 }
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6174 else
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6175 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6176 // skip over the matched characters, set character
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6177 // count in NFA_SKIP
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6178 add_state = t->state->out1->out;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6179 add_off = bytelen;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6180 add_count = bytelen - clen;
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6181 }
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6182 }
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6183 break;
4787
7fde662e1db2 updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents: 4785
diff changeset
6184 }
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
6185
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6186 case NFA_BOL:
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6187 if (rex.input == rex.line)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6188 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6189 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6190 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6191 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6192 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6193
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6194 case NFA_EOL:
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6195 if (curc == NUL)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6196 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6197 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6198 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6199 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6200 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6201
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6202 case NFA_BOW:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6203 result = TRUE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6204
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6205 if (curc == NUL)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6206 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6207 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6208 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6209 int this_class;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6210
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6211 // Get class of current and previous char (if it exists).
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6212 this_class = mb_get_class_buf(rex.input, rex.reg_buf);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6213 if (this_class <= 1)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6214 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6215 else if (reg_prev_class() == this_class)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6216 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6217 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6218 else if (!vim_iswordc_buf(curc, rex.reg_buf)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6219 || (rex.input > rex.line
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6220 && vim_iswordc_buf(rex.input[-1], rex.reg_buf)))
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6221 result = FALSE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6222 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6223 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6224 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6225 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6226 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6227 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6228
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6229 case NFA_EOW:
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6230 result = TRUE;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6231 if (rex.input == rex.line)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6232 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6233 else if (has_mbyte)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6234 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6235 int this_class, prev_class;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6236
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6237 // Get class of current and previous char (if it exists).
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6238 this_class = mb_get_class_buf(rex.input, rex.reg_buf);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6239 prev_class = reg_prev_class();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6240 if (this_class == prev_class
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6241 || prev_class == 0 || prev_class == 1)
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6242 result = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6243 }
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6244 else if (!vim_iswordc_buf(rex.input[-1], rex.reg_buf)
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6245 || (rex.input[0] != NUL
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6246 && vim_iswordc_buf(curc, rex.reg_buf)))
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6247 result = FALSE;
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6248 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6249 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6250 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6251 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6252 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6253 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6254
4671
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6255 case NFA_BOF:
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6256 if (rex.lnum == 0 && rex.input == rex.line
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6257 && (!REG_MULTI || rex.reg_firstlnum == 1))
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6258 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6259 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6260 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6261 }
4671
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6262 break;
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6263
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6264 case NFA_EOF:
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6265 if (rex.lnum == rex.reg_maxline && curc == NUL)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6266 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6267 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6268 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6269 }
4671
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6270 break;
b3c59716e700 updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents: 4669
diff changeset
6271
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6272 case NFA_COMPOSING:
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6273 {
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6274 int mc = curc;
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
6275 int len = 0;
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
6276 nfa_state_T *end;
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
6277 nfa_state_T *sta;
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6278 int cchars[MAX_MCO];
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6279 int ccount = 0;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6280 int j;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6281
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6282 sta = t->state->out;
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6283 len = 0;
4535
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6284 if (utf_iscomposing(sta->c))
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6285 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6286 // Only match composing character(s), ignore base
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6287 // character. Used for ".{composing}" and "{composing}"
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6288 // (no preceding character).
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6289 len += mb_char2len(mc);
4535
45f97c349537 updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents: 4533
diff changeset
6290 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6291 if (rex.reg_icombine && len == 0)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6292 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6293 // If \Z was present, then ignore composing characters.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6294 // When ignoring the base character this always matches.
13208
e96663c35bab patch 8.0.1478: unnecessary condition
Christian Brabandt <cb@256bit.org>
parents: 13192
diff changeset
6295 if (sta->c != curc)
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6296 result = FAIL;
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6297 else
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6298 result = OK;
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6299 while (sta->c != NFA_END_COMPOSING)
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6300 sta = sta->out;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6301 }
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6302
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6303 // Check base character matches first, unless ignored.
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6304 else if (len > 0 || mc == sta->c)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6305 {
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6306 if (len == 0)
4529
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6307 {
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6308 len += mb_char2len(mc);
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6309 sta = sta->out;
432a6b8c7d93 updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents: 4527
diff changeset
6310 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6311
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6312 // We don't care about the order of composing characters.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6313 // Get them into cchars[] first.
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6314 while (len < clen)
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6315 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6316 mc = mb_ptr2char(rex.input + len);
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6317 cchars[ccount++] = mc;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6318 len += mb_char2len(mc);
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6319 if (ccount == MAX_MCO)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6320 break;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6321 }
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6322
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6323 // Check that each composing char in the pattern matches a
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6324 // composing char in the text. We do not check if all
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6325 // composing chars are matched.
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6326 result = OK;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6327 while (sta->c != NFA_END_COMPOSING)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6328 {
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6329 for (j = 0; j < ccount; ++j)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6330 if (cchars[j] == sta->c)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6331 break;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6332 if (j == ccount)
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6333 {
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6334 result = FAIL;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6335 break;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6336 }
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6337 sta = sta->out;
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6338 }
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6339 }
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6340 else
4525
36ddcf4cecbc updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents: 4517
diff changeset
6341 result = FAIL;
4547
fc997f05cbc7 updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents: 4543
diff changeset
6342
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6343 end = t->state->out1; // NFA_END_COMPOSING
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6344 ADD_STATE_IF_MATCH(end);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6345 break;
4527
55bcaa1d2749 updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents: 4525
diff changeset
6346 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6347
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6348 case NFA_NEWL:
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6349 if (curc == NUL && !rex.reg_line_lbr && REG_MULTI
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6350 && rex.lnum <= rex.reg_maxline)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6351 {
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
6352 go_to_nextline = TRUE;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6353 // Pass -1 for the offset, which means taking the position
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6354 // at the start of the next line.
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6355 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6356 add_off = -1;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6357 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6358 else if (curc == '\n' && rex.reg_line_lbr)
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
6359 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6360 // match \n as if it is an ordinary character
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6361 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6362 add_off = 1;
4555
b2946c06d1b6 updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents: 4553
diff changeset
6363 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6364 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6365
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6366 case NFA_START_COLL:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6367 case NFA_START_NEG_COLL:
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6368 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6369 // What follows is a list of characters, until NFA_END_COLL.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6370 // One of them must match or none of them must match.
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6371 nfa_state_T *state;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6372 int result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6373 int c1, c2;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6374
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6375 // Never match EOL. If it's part of the collection it is added
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6376 // as a separate state with an OR.
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6377 if (curc == NUL)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6378 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6379
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6380 state = t->state->out;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6381 result_if_matched = (t->state->c == NFA_START_COLL);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6382 for (;;)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6383 {
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6384 if (state->c == NFA_END_COLL)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6385 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6386 result = !result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6387 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6388 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6389 if (state->c == NFA_RANGE_MIN)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6390 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6391 c1 = state->val;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6392 state = state->out; // advance to NFA_RANGE_MAX
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6393 c2 = state->val;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6394 #ifdef ENABLE_LOG
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6395 fprintf(log_fd, "NFA_RANGE_MIN curc=%d c1=%d c2=%d\n",
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6396 curc, c1, c2);
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6397 #endif
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6398 if (curc >= c1 && curc <= c2)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6399 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6400 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6401 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6402 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6403 if (rex.reg_ic)
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6404 {
20772
097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents: 20677
diff changeset
6405 int curc_low = MB_CASEFOLD(curc);
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6406 int done = FALSE;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6407
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6408 for ( ; c1 <= c2; ++c1)
20772
097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents: 20677
diff changeset
6409 if (MB_CASEFOLD(c1) == curc_low)
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6410 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6411 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6412 done = TRUE;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6413 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6414 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6415 if (done)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6416 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6417 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6418 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6419 else if (state->c < 0 ? check_char_class(state->c, curc)
13192
9bd4151e5aeb patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents: 13043
diff changeset
6420 : (curc == state->c
20772
097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents: 20677
diff changeset
6421 || (rex.reg_ic && MB_CASEFOLD(curc)
097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents: 20677
diff changeset
6422 == MB_CASEFOLD(state->c))))
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6423 {
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6424 result = result_if_matched;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6425 break;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6426 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6427 state = state->out;
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6428 }
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6429 if (result)
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6430 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6431 // next state is in out of the NFA_END_COLL, out1 of
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6432 // START points to the END state
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6433 add_state = t->state->out1->out;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6434 add_off = clen;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6435 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6436 break;
4781
c02c7df9bdc9 updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents: 4772
diff changeset
6437 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6438
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6439 case NFA_ANY:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6440 // Any char except '\0', (end of input) does not match.
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6441 if (curc > 0)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6442 {
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6443 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6444 add_off = clen;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6445 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6446 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6447
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6448 case NFA_ANY_COMPOSING:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6449 // On a composing character skip over it. Otherwise do
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6450 // nothing. Always matches.
5901
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6451 if (enc_utf8 && utf_iscomposing(curc))
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6452 {
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6453 add_off = clen;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6454 }
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6455 else
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6456 {
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6457 add_here = TRUE;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6458 add_off = 0;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6459 }
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6460 add_state = t->state->out;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6461 break;
10fc95f48546 updated for version 7.4.293
Bram Moolenaar <bram@vim.org>
parents: 5895
diff changeset
6462
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6463 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6464 * Character classes like \a for alpha, \d for digit etc.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6465 */
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6466 case NFA_IDENT: // \i
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6467 result = vim_isIDc(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6468 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6469 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6470
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6471 case NFA_SIDENT: // \I
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6472 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6473 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6474 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6475
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6476 case NFA_KWORD: // \k
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6477 result = vim_iswordp_buf(rex.input, rex.reg_buf);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6478 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6479 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6480
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6481 case NFA_SKWORD: // \K
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6482 result = !VIM_ISDIGIT(curc)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6483 && vim_iswordp_buf(rex.input, rex.reg_buf);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6484 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6485 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6486
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6487 case NFA_FNAME: // \f
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6488 result = vim_isfilec(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6489 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6490 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6491
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6492 case NFA_SFNAME: // \F
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6493 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6494 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6495 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6496
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6497 case NFA_PRINT: // \p
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6498 result = vim_isprintc(PTR2CHAR(rex.input));
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6499 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6500 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6501
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6502 case NFA_SPRINT: // \P
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6503 result = !VIM_ISDIGIT(curc) && vim_isprintc(PTR2CHAR(rex.input));
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6504 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6505 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6506
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6507 case NFA_WHITE: // \s
11129
f4ea50924c6d patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 11127
diff changeset
6508 result = VIM_ISWHITE(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6509 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6510 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6511
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6512 case NFA_NWHITE: // \S
11129
f4ea50924c6d patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 11127
diff changeset
6513 result = curc != NUL && !VIM_ISWHITE(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6514 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6515 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6516
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6517 case NFA_DIGIT: // \d
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6518 result = ri_digit(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6519 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6520 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6521
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6522 case NFA_NDIGIT: // \D
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6523 result = curc != NUL && !ri_digit(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6524 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6525 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6526
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6527 case NFA_HEX: // \x
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6528 result = ri_hex(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6529 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6530 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6531
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6532 case NFA_NHEX: // \X
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6533 result = curc != NUL && !ri_hex(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6534 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6535 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6536
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6537 case NFA_OCTAL: // \o
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6538 result = ri_octal(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6539 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6540 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6541
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6542 case NFA_NOCTAL: // \O
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6543 result = curc != NUL && !ri_octal(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6544 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6545 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6546
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6547 case NFA_WORD: // \w
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6548 result = ri_word(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6549 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6550 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6551
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6552 case NFA_NWORD: // \W
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6553 result = curc != NUL && !ri_word(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6554 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6555 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6556
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6557 case NFA_HEAD: // \h
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6558 result = ri_head(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6559 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6560 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6561
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6562 case NFA_NHEAD: // \H
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6563 result = curc != NUL && !ri_head(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6564 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6565 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6566
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6567 case NFA_ALPHA: // \a
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6568 result = ri_alpha(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6569 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6570 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6571
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6572 case NFA_NALPHA: // \A
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6573 result = curc != NUL && !ri_alpha(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6574 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6575 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6576
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6577 case NFA_LOWER: // \l
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6578 result = ri_lower(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6579 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6580 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6581
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6582 case NFA_NLOWER: // \L
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6583 result = curc != NUL && !ri_lower(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6584 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6585 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6586
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6587 case NFA_UPPER: // \u
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6588 result = ri_upper(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6589 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6590 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6591
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6592 case NFA_NUPPER: // \U
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
6593 result = curc != NUL && !ri_upper(curc);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6594 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6595 break;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6596
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6597 case NFA_LOWER_IC: // [a-z]
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6598 result = ri_lower(curc) || (rex.reg_ic && ri_upper(curc));
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6599 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6600 break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6601
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6602 case NFA_NLOWER_IC: // [^a-z]
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6603 result = curc != NUL
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6604 && !(ri_lower(curc) || (rex.reg_ic && ri_upper(curc)));
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6605 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6606 break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6607
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6608 case NFA_UPPER_IC: // [A-Z]
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6609 result = ri_upper(curc) || (rex.reg_ic && ri_lower(curc));
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6610 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6611 break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6612
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6613 case NFA_NUPPER_IC: // ^[A-Z]
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6614 result = curc != NUL
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6615 && !(ri_upper(curc) || (rex.reg_ic && ri_lower(curc)));
5296
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6616 ADD_STATE_IF_MATCH(t->state);
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6617 break;
3e9107b86b68 updated for version 7.4.001
Bram Moolenaar <bram@vim.org>
parents: 5255
diff changeset
6618
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6619 case NFA_BACKREF1:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6620 case NFA_BACKREF2:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6621 case NFA_BACKREF3:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6622 case NFA_BACKREF4:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6623 case NFA_BACKREF5:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6624 case NFA_BACKREF6:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6625 case NFA_BACKREF7:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6626 case NFA_BACKREF8:
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6627 case NFA_BACKREF9:
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6628 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6629 case NFA_ZREF1:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6630 case NFA_ZREF2:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6631 case NFA_ZREF3:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6632 case NFA_ZREF4:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6633 case NFA_ZREF5:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6634 case NFA_ZREF6:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6635 case NFA_ZREF7:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6636 case NFA_ZREF8:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6637 case NFA_ZREF9:
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6638 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6639 // \1 .. \9 \z1 .. \z9
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6640 {
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6641 int subidx;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6642 int bytelen;
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6643
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6644 if (t->state->c <= NFA_BACKREF9)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6645 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6646 subidx = t->state->c - NFA_BACKREF1 + 1;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6647 result = match_backref(&t->subs.norm, subidx, &bytelen);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6648 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6649 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6650 else
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6651 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6652 subidx = t->state->c - NFA_ZREF1 + 1;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6653 result = match_zref(subidx, &bytelen);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6654 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6655 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
6656
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6657 if (result)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6658 {
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6659 if (bytelen == 0)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6660 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6661 // empty match always works, output of NFA_SKIP to be
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6662 // used next
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6663 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6664 add_state = t->state->out->out;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6665 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6666 else if (bytelen <= clen)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6667 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6668 // match current character, jump ahead to out of
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6669 // NFA_SKIP
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6670 add_state = t->state->out->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6671 add_off = clen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6672 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6673 else
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6674 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6675 // skip over the matched characters, set character
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6676 // count in NFA_SKIP
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6677 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6678 add_off = bytelen;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6679 add_count = bytelen - clen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6680 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6681 }
4482
cd005ab15ef3 updated for version 7.3.989
Bram Moolenaar <bram@vim.org>
parents: 4480
diff changeset
6682 break;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6683 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6684 case NFA_SKIP:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6685 // character of previous matching \1 .. \9 or \@>
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6686 if (t->count - clen <= 0)
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6687 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6688 // end of match, go to what follows
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6689 add_state = t->state->out;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6690 add_off = clen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6691 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6692 else
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6693 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6694 // add state again with decremented count
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6695 add_state = t->state;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6696 add_off = 0;
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6697 add_count = t->count - clen;
4571
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6698 }
b2a8e3a66f8c updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents: 4569
diff changeset
6699 break;
4482
cd005ab15ef3 updated for version 7.3.989
Bram Moolenaar <bram@vim.org>
parents: 4480
diff changeset
6700
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6701 case NFA_LNUM:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6702 case NFA_LNUM_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6703 case NFA_LNUM_LT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6704 result = (REG_MULTI &&
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6705 nfa_re_num_cmp(t->state->val, t->state->c - NFA_LNUM,
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6706 (long_u)(rex.lnum + rex.reg_firstlnum)));
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6707 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6708 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6709 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6710 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6711 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6712 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6713
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6714 case NFA_COL:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6715 case NFA_COL_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6716 case NFA_COL_LT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6717 result = nfa_re_num_cmp(t->state->val, t->state->c - NFA_COL,
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6718 (long_u)(rex.input - rex.line) + 1);
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6719 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6720 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6721 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6722 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6723 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6724 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6725
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6726 case NFA_VCOL:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6727 case NFA_VCOL_GT:
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6728 case NFA_VCOL_LT:
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6729 {
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6730 int op = t->state->c - NFA_VCOL;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6731 colnr_T col = (colnr_T)(rex.input - rex.line);
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6732 win_T *wp = rex.reg_win == NULL ? curwin : rex.reg_win;
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6733
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6734 // Bail out quickly when there can't be a match, avoid the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6735 // overhead of win_linetabsize() on long lines.
6653
2c7f279d419c updated for version 7.4.651
Bram Moolenaar <bram@vim.org>
parents: 6594
diff changeset
6736 if (op != 1 && col > t->state->val
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15490
diff changeset
6737 * (has_mbyte ? MB_MAXBYTES : 1))
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6738 break;
6510
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6739 result = FALSE;
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6740 if (op == 1 && col - 1 > t->state->val && col > 100)
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6741 {
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6742 int ts = wp->w_buffer->b_p_ts;
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6743
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6744 // Guess that a character won't use more columns than
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6745 // 'tabstop', with a minimum of 4.
6510
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6746 if (ts < 4)
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6747 ts = 4;
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6748 result = col > t->state->val * ts;
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6749 }
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6750 if (!result)
dfd593d81818 updated for version 7.4.582
Bram Moolenaar <bram@vim.org>
parents: 6499
diff changeset
6751 result = nfa_re_num_cmp(t->state->val, op,
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6752 (long_u)win_linetabsize(wp, rex.line, col) + 1);
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6753 if (result)
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6754 {
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6755 add_here = TRUE;
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6756 add_state = t->state->out;
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
6757 }
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6758 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6759 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6760
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6761 case NFA_MARK:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6762 case NFA_MARK_GT:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6763 case NFA_MARK_LT:
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6764 {
26161
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents: 25747
diff changeset
6765 size_t col = rex.input - rex.line;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6766 pos_T *pos = getmark_buf(rex.reg_buf, t->state->val, FALSE);
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6767
26161
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents: 25747
diff changeset
6768 // Line may have been freed, get it again.
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents: 25747
diff changeset
6769 if (REG_MULTI)
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents: 25747
diff changeset
6770 {
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents: 25747
diff changeset
6771 rex.line = reg_getline(rex.lnum);
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents: 25747
diff changeset
6772 rex.input = rex.line + col;
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents: 25747
diff changeset
6773 }
9835f424bef5 patch 8.2.3612: using freed memory with regexp using a mark
Bram Moolenaar <Bram@vim.org>
parents: 25747
diff changeset
6774
24693
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6775 // Compare the mark position to the match position, if the mark
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6776 // exists and mark is set in reg_buf.
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6777 if (pos != NULL && pos->lnum > 0)
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6778 {
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6779 colnr_T pos_col = pos->lnum == rex.lnum + rex.reg_firstlnum
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6780 && pos->col == MAXCOL
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6781 ? (colnr_T)STRLEN(reg_getline(
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6782 pos->lnum - rex.reg_firstlnum))
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6783 : pos->col;
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6784
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6785 result = (pos->lnum == rex.lnum + rex.reg_firstlnum
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6786 ? (pos_col == (colnr_T)(rex.input - rex.line)
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6787 ? t->state->c == NFA_MARK
24693
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6788 : (pos_col < (colnr_T)(rex.input - rex.line)
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6789 ? t->state->c == NFA_MARK_GT
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6790 : t->state->c == NFA_MARK_LT))
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6791 : (pos->lnum < rex.lnum + rex.reg_firstlnum
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6792 ? t->state->c == NFA_MARK_GT
24693
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6793 : t->state->c == NFA_MARK_LT));
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6794 if (result)
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6795 {
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6796 add_here = TRUE;
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6797 add_state = t->state->out;
97789fcef0cf patch 8.2.2885: searching for %'> does not match linewise end of line
Bram Moolenaar <Bram@vim.org>
parents: 24580
diff changeset
6798 }
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6799 }
4732
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6800 break;
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6801 }
0798b096bab3 updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents: 4730
diff changeset
6802
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6803 case NFA_CURSOR:
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6804 result = (rex.reg_win != NULL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6805 && (rex.lnum + rex.reg_firstlnum
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6806 == rex.reg_win->w_cursor.lnum)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6807 && ((colnr_T)(rex.input - rex.line)
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6808 == rex.reg_win->w_cursor.col));
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6809 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6810 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6811 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6812 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6813 }
4583
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6814 break;
321cfbef9431 updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents: 4579
diff changeset
6815
4756
96f3348f9f11 updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents: 4750
diff changeset
6816 case NFA_VISUAL:
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
6817 result = reg_match_visual();
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
6818 if (result)
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6819 {
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6820 add_here = TRUE;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6821 add_state = t->state->out;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6822 }
4730
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
6823 break;
749e2b2755d5 updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents: 4728
diff changeset
6824
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6825 case NFA_MOPEN1:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6826 case NFA_MOPEN2:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6827 case NFA_MOPEN3:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6828 case NFA_MOPEN4:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6829 case NFA_MOPEN5:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6830 case NFA_MOPEN6:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6831 case NFA_MOPEN7:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6832 case NFA_MOPEN8:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6833 case NFA_MOPEN9:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6834 #ifdef FEAT_SYN_HL
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6835 case NFA_ZOPEN:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6836 case NFA_ZOPEN1:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6837 case NFA_ZOPEN2:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6838 case NFA_ZOPEN3:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6839 case NFA_ZOPEN4:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6840 case NFA_ZOPEN5:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6841 case NFA_ZOPEN6:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6842 case NFA_ZOPEN7:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6843 case NFA_ZOPEN8:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6844 case NFA_ZOPEN9:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6845 #endif
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6846 case NFA_NOPEN:
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6847 case NFA_ZSTART:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6848 // These states are only added to be able to bail out when
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6849 // they are added again, nothing is to be done.
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6850 break;
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6851
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6852 default: // regular character
4559
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6853 {
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6854 int c = t->state->c;
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6855
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6856 #ifdef DEBUG
4785
3b5a023a4543 updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents: 4783
diff changeset
6857 if (c < 0)
27000
8c0730eca2ce patch 8.2.4029: debugging NFA regexp my crash, cached indent may be wrong
Bram Moolenaar <Bram@vim.org>
parents: 26966
diff changeset
6858 siemsg("INTERNAL: Negative state char: %ld", (long)c);
5251
2e63b6c763f7 updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents: 5227
diff changeset
6859 #endif
4559
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6860 result = (c == curc);
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6861
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6862 if (!result && rex.reg_ic)
20772
097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents: 20677
diff changeset
6863 result = MB_CASEFOLD(c) == MB_CASEFOLD(curc);
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6864 // If rex.reg_icombine is not set only skip over the character
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6865 // itself. When it is set skip over composing characters.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6866 if (result && enc_utf8 && !rex.reg_icombine)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6867 clen = utf_ptr2len(rex.input);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
6868 ADD_STATE_IF_MATCH(t->state);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6869 break;
4559
04086e297563 updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents: 4557
diff changeset
6870 }
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6871
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6872 } // switch (t->state->c)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6873
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6874 if (add_state != NULL)
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6875 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6876 nfa_pim_T *pim;
5401
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6877 nfa_pim_T pim_copy;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6878
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6879 if (t->pim.result == NFA_PIM_UNUSED)
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6880 pim = NULL;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6881 else
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6882 pim = &t->pim;
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6883
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6884 // Handle the postponed invisible match if the match might end
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6885 // without advancing and before the end of the line.
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6886 if (pim != NULL && (clen == 0 || match_follows(add_state, 0)))
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6887 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6888 if (pim->result == NFA_PIM_TODO)
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6889 {
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6890 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6891 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6892 fprintf(log_fd, "==================================\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6893 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6894 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6895 #endif
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6896 result = recursive_regmatch(pim->state, pim,
14309
15530de011bc patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents: 14173
diff changeset
6897 prog, submatch, m, &listids, &listids_len);
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6898 pim->result = result ? NFA_PIM_MATCH : NFA_PIM_NOMATCH;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6899 // for \@! and \@<! it is a match when the result is
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6900 // FALSE
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6901 if (result != (pim->state->c == NFA_START_INVISIBLE_NEG
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6902 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6903 || pim->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6904 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6905 || pim->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6906 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6907 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6908 // Copy submatch info from the recursive call
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6909 copy_sub_off(&pim->subs.norm, &m->norm);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6910 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6911 if (rex.nfa_has_zsubexpr)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6912 copy_sub_off(&pim->subs.synt, &m->synt);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6913 #endif
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6914 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6915 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6916 else
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6917 {
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6918 result = (pim->result == NFA_PIM_MATCH);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6919 #ifdef ENABLE_LOG
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6920 fprintf(log_fd, "\n");
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6921 fprintf(log_fd, "Using previous recursive nfa_regmatch() result, result == %d\n", pim->result);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6922 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : "FALSE");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6923 fprintf(log_fd, "\n");
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6924 #endif
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6925 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6926
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6927 // for \@! and \@<! it is a match when result is FALSE
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6928 if (result != (pim->state->c == NFA_START_INVISIBLE_NEG
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6929 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6930 || pim->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6931 == NFA_START_INVISIBLE_BEFORE_NEG
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6932 || pim->state->c
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
6933 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST))
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6934 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6935 // Copy submatch info from the recursive call
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6936 copy_sub_off(&t->subs.norm, &pim->subs.norm);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6937 #ifdef FEAT_SYN_HL
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6938 if (rex.nfa_has_zsubexpr)
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6939 copy_sub_off(&t->subs.synt, &pim->subs.synt);
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6940 #endif
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6941 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6942 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6943 // look-behind match failed, don't add the state
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6944 continue;
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6945
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6946 // Postponed invisible match was handled, don't add it to
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6947 // following states.
4813
bc3f4804cf47 updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents: 4811
diff changeset
6948 pim = NULL;
4726
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6949 }
3849c811cc0b updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents: 4720
diff changeset
6950
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6951 // If "pim" points into l->t it will become invalid when
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6952 // adding the state causes the list to be reallocated. Make a
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6953 // local copy to avoid that.
5401
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6954 if (pim == &t->pim)
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6955 {
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6956 copy_pim(&pim_copy, pim);
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6957 pim = &pim_copy;
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6958 }
e7a2f217a385 updated for version 7.4.051
Bram Moolenaar <bram@vim.org>
parents: 5372
diff changeset
6959
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6960 if (add_here)
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6961 r = addstate_here(thislist, add_state, &t->subs,
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6962 pim, &listidx);
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6963 else
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6964 {
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6965 r = addstate(nextlist, add_state, &t->subs, pim, add_off);
4799
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6966 if (add_count > 0)
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6967 nextlist->t[nextlist->n - 1].count = add_count;
e3f9e33fb28c updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents: 4797
diff changeset
6968 }
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6969 if (r == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6970 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6971 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6972 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
6973 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6974 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6975
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6976 } // for (thislist = thislist; thislist->state; thislist++)
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6977
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6978 // Look for the start of a match in the current position by adding the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6979 // start state to the list of states.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6980 // The first found match is the leftmost one, thus the order of states
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6981 // matters!
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6982 // Do not add the start state in recursive calls of nfa_regmatch(),
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6983 // because recursive calls should only start in the first position.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6984 // Unless "nfa_endp" is not NULL, then we match the end position.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
6985 // Also don't start a match past the first line.
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6986 if (nfa_match == FALSE
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
6987 && ((toplevel
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6988 && rex.lnum == 0
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6989 && clen != 0
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
6990 && (rex.reg_maxcol == 0
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6991 || (colnr_T)(rex.input - rex.line) < rex.reg_maxcol))
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6992 || (nfa_endp != NULL
4682
2f51ee8825db updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents: 4679
diff changeset
6993 && (REG_MULTI
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6994 ? (rex.lnum < nfa_endp->se_u.pos.lnum
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6995 || (rex.lnum == nfa_endp->se_u.pos.lnum
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6996 && (int)(rex.input - rex.line)
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
6997 < nfa_endp->se_u.pos.col))
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
6998 : rex.input < nfa_endp->se_u.ptr))))
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
6999 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7000 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7001 fprintf(log_fd, "(---) STARTSTATE\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7002 #endif
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7003 // Inline optimized code for addstate() if we know the state is
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7004 // the first MOPEN.
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
7005 if (toplevel)
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
7006 {
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7007 int add = TRUE;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7008 int c;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7009
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7010 if (prog->regstart != NUL && clen != 0)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7011 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7012 if (nextlist->n == 0)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7013 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7014 colnr_T col = (colnr_T)(rex.input - rex.line) + clen;
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7015
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7016 // Nextlist is empty, we can skip ahead to the
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7017 // character that must appear at the start.
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7018 if (skip_to_start(prog->regstart, &col) == FAIL)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7019 break;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7020 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7021 fprintf(log_fd, " Skipping ahead %d bytes to regstart\n",
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7022 col - ((colnr_T)(rex.input - rex.line) + clen));
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7023 #endif
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7024 rex.input = rex.line + col - clen;
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7025 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7026 else
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7027 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7028 // Checking if the required start character matches is
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7029 // cheaper than adding a state that won't match.
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7030 c = PTR2CHAR(rex.input + clen);
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7031 if (c != prog->regstart && (!rex.reg_ic
20772
097f5b5c907b patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents: 20677
diff changeset
7032 || MB_CASEFOLD(c) != MB_CASEFOLD(prog->regstart)))
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7033 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7034 #ifdef ENABLE_LOG
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7035 fprintf(log_fd, " Skipping start state, regstart does not match\n");
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7036 #endif
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7037 add = FALSE;
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7038 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7039 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7040 }
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7041
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7042 if (add)
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7043 {
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7044 if (REG_MULTI)
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
7045 m->norm.list.multi[0].start_col =
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7046 (colnr_T)(rex.input - rex.line) + clen;
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7047 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7048 m->norm.list.line[0].start = rex.input + clen;
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7049 if (addstate(nextlist, start->out, m, NULL, clen) == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7050 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7051 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7052 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7053 }
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7054 }
4797
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
7055 }
a30e3762957d updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents: 4787
diff changeset
7056 else
15796
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7057 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7058 if (addstate(nextlist, start, m, NULL, clen) == NULL)
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7059 {
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7060 nfa_match = NFA_TOO_EXPENSIVE;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7061 goto theend;
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7062 }
481452f6687c patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents: 15709
diff changeset
7063 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7064 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7065
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7066 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7067 fprintf(log_fd, ">>> Thislist had %d states available: ", thislist->n);
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
7068 {
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
7069 int i;
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
7070
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
7071 for (i = 0; i < thislist->n; i++)
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
7072 fprintf(log_fd, "%d ", abs(thislist->t[i].state->id));
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
7073 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7074 fprintf(log_fd, "\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7075 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7076
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7077 nextchar:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7078 // Advance to the next character, or advance to the next line, or
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7079 // finish.
4549
849180347ac3 updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents: 4547
diff changeset
7080 if (clen != 0)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7081 rex.input += clen;
4694
efc4fb311d5d updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents: 4692
diff changeset
7082 else if (go_to_nextline || (nfa_endp != NULL && REG_MULTI
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7083 && rex.lnum < nfa_endp->se_u.pos.lnum))
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
7084 reg_nextline();
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
7085 else
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
7086 break;
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
7087
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7088 // Allow interrupting with CTRL-C.
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7089 line_breakcheck();
6499
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
7090 if (got_int)
bcf9d3a6007f updated for version 7.4.577
Bram Moolenaar <bram@vim.org>
parents: 6392
diff changeset
7091 break;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7092 #ifdef FEAT_RELTIME
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7093 // Check for timeout once in a twenty times to avoid overhead.
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7094 if (nfa_time_limit != NULL && ++nfa_time_count == 20)
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7095 {
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7096 nfa_time_count = 0;
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
7097 if (nfa_did_time_out())
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7098 break;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7099 }
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7100 #endif
4515
90e9917d4114 updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents: 4507
diff changeset
7101 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7102
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7103 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7104 if (log_fd != stderr)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7105 fclose(log_fd);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7106 log_fd = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7107 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7108
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7109 theend:
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7110 // Free memory
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7111 vim_free(list[0].t);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7112 vim_free(list[1].t);
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
7113 vim_free(listids);
4783
47222d8b1e94 updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents: 4781
diff changeset
7114 #undef ADD_STATE_IF_MATCH
4460
fe8a0a6a1c2a updated for version 7.3.978
Bram Moolenaar <bram@vim.org>
parents: 4458
diff changeset
7115 #ifdef NFA_REGEXP_DEBUG_LOG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7116 fclose(debug);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7117 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7118
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
7119 return nfa_match;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7120 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7121
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7122 /*
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7123 * Try match of "prog" with at rex.line["col"].
6392
2bb019eb60ca updated for version 7.4.527
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
7124 * Returns <= 0 for failure, number of lines contained in the match otherwise.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7125 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7126 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7127 nfa_regtry(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7128 nfa_regprog_T *prog,
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7129 colnr_T col,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7130 proftime_T *tm UNUSED, // timeout limit or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7131 int *timed_out UNUSED) // flag set on timeout or NULL
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7132 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7133 int i;
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7134 regsubs_T subs, m;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7135 nfa_state_T *start = prog->start;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
7136 int result;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7137 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7138 FILE *f;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7139 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7140
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7141 rex.input = rex.line + col;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7142 #ifdef FEAT_RELTIME
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7143 nfa_time_limit = tm;
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
7144 nfa_timed_out = timed_out;
6573
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7145 nfa_time_count = 0;
ffba266e064d updated for version 7.4.613
Bram Moolenaar <bram@vim.org>
parents: 6547
diff changeset
7146 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7147
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7148 #ifdef ENABLE_LOG
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
7149 f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7150 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7151 {
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
7152 fprintf(f, "\n\n\t=======================================================\n");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7153 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7154 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7155 #endif
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7156 fprintf(f, "\tInput text is \"%s\" \n", rex.input);
4750
7793e737ec87 updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents: 4748
diff changeset
7157 fprintf(f, "\t=======================================================\n\n");
4533
6a2005efa02b updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents: 4531
diff changeset
7158 nfa_print_state(f, start);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7159 fprintf(f, "\n\n");
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7160 fclose(f);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7161 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7162 else
15470
55ccc2d353bd patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents: 15265
diff changeset
7163 emsg("Could not open temporary log file for writing");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7164 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7165
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7166 clear_sub(&subs.norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7167 clear_sub(&m.norm);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7168 #ifdef FEAT_SYN_HL
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7169 clear_sub(&subs.synt);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7170 clear_sub(&m.synt);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7171 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7172
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
7173 result = nfa_regmatch(prog, start, &subs, &m);
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
7174 if (result == FALSE)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7175 return 0;
6328
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
7176 else if (result == NFA_TOO_EXPENSIVE)
adfbffe1e642 updated for version 7.4.497
Bram Moolenaar <bram@vim.org>
parents: 6280
diff changeset
7177 return result;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7178
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7179 cleanup_subexpr();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7180 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7181 {
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7182 for (i = 0; i < subs.norm.in_use; i++)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7183 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7184 rex.reg_startpos[i].lnum = subs.norm.list.multi[i].start_lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7185 rex.reg_startpos[i].col = subs.norm.list.multi[i].start_col;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7186
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7187 rex.reg_endpos[i].lnum = subs.norm.list.multi[i].end_lnum;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7188 rex.reg_endpos[i].col = subs.norm.list.multi[i].end_col;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7189 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7190
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7191 if (rex.reg_startpos[0].lnum < 0)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7192 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7193 rex.reg_startpos[0].lnum = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7194 rex.reg_startpos[0].col = col;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7195 }
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7196 if (rex.reg_endpos[0].lnum < 0)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7197 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7198 // pattern has a \ze but it didn't match, use current end
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7199 rex.reg_endpos[0].lnum = rex.lnum;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7200 rex.reg_endpos[0].col = (int)(rex.input - rex.line);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7201 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7202 else
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7203 // Use line number of "\ze".
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7204 rex.lnum = rex.reg_endpos[0].lnum;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7205 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7206 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7207 {
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7208 for (i = 0; i < subs.norm.in_use; i++)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7209 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7210 rex.reg_startp[i] = subs.norm.list.line[i].start;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7211 rex.reg_endp[i] = subs.norm.list.line[i].end;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7212 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7213
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7214 if (rex.reg_startp[0] == NULL)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7215 rex.reg_startp[0] = rex.line + col;
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7216 if (rex.reg_endp[0] == NULL)
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7217 rex.reg_endp[0] = rex.input;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7218 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7219
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7220 #ifdef FEAT_SYN_HL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7221 // Package any found \z(...\) matches for export. Default is none.
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7222 unref_extmatch(re_extmatch_out);
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7223 re_extmatch_out = NULL;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7224
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7225 if (prog->reghasz == REX_SET)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7226 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7227 cleanup_zsubexpr();
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7228 re_extmatch_out = make_extmatch();
18945
c62d63d2b9f0 patch 8.2.0033: crash when make_extmatch() runs out of memory
Bram Moolenaar <Bram@vim.org>
parents: 18812
diff changeset
7229 if (re_extmatch_out == NULL)
c62d63d2b9f0 patch 8.2.0033: crash when make_extmatch() runs out of memory
Bram Moolenaar <Bram@vim.org>
parents: 18812
diff changeset
7230 return 0;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7231 // Loop over \z1, \z2, etc. There is no \z0.
7258
7245d8635ac7 commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997
Christian Brabandt <cb@256bit.org>
parents: 7152
diff changeset
7232 for (i = 1; i < subs.synt.in_use; i++)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7233 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7234 if (REG_MULTI)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7235 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7236 struct multipos *mpos = &subs.synt.list.multi[i];
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7237
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7238 // Only accept single line matches that are valid.
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
7239 if (mpos->start_lnum >= 0
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
7240 && mpos->start_lnum == mpos->end_lnum
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
7241 && mpos->end_col >= mpos->start_col)
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7242 re_extmatch_out->matches[i] =
6547
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
7243 vim_strnsave(reg_getline(mpos->start_lnum)
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
7244 + mpos->start_col,
436d6c9e57f2 updated for version 7.4.600
Bram Moolenaar <bram@vim.org>
parents: 6545
diff changeset
7245 mpos->end_col - mpos->start_col);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7246 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7247 else
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7248 {
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7249 struct linepos *lpos = &subs.synt.list.line[i];
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7250
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7251 if (lpos->start != NULL && lpos->end != NULL)
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7252 re_extmatch_out->matches[i] =
20830
9064044fd4f6 patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents: 20772
diff changeset
7253 vim_strnsave(lpos->start, lpos->end - lpos->start);
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7254 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7255 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7256 }
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7257 #endif
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7258
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7259 return 1 + rex.lnum;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7260 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7261
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7262 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7263 * Match a regexp against a string ("line" points to the string) or multiple
24580
87ff80c08e4b patch 8.2.2829: some comments are not correct or clear
Bram Moolenaar <Bram@vim.org>
parents: 24351
diff changeset
7264 * lines (if "line" is NULL, use reg_getline()).
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7265 *
6392
2bb019eb60ca updated for version 7.4.527
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
7266 * Returns <= 0 for failure, number of lines contained in the match otherwise.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7267 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7268 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7269 nfa_regexec_both(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7270 char_u *line,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7271 colnr_T startcol, // column to start looking for match
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7272 proftime_T *tm, // timeout limit or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7273 int *timed_out) // flag set on timeout or NULL
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7274 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7275 nfa_regprog_T *prog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7276 long retval = 0L;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7277 int i;
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7278 colnr_T col = startcol;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7279
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7280 if (REG_MULTI)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7281 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7282 prog = (nfa_regprog_T *)rex.reg_mmatch->regprog;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7283 line = reg_getline((linenr_T)0); // relative to the cursor
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7284 rex.reg_startpos = rex.reg_mmatch->startpos;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7285 rex.reg_endpos = rex.reg_mmatch->endpos;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7286 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7287 else
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7288 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7289 prog = (nfa_regprog_T *)rex.reg_match->regprog;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7290 rex.reg_startp = rex.reg_match->startp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7291 rex.reg_endp = rex.reg_match->endp;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7292 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7293
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7294 // Be paranoid...
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7295 if (prog == NULL || line == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7296 {
25306
078edc1821bf patch 8.2.3190: error messages are spread out
Bram Moolenaar <Bram@vim.org>
parents: 25178
diff changeset
7297 iemsg(_(e_null_argument));
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7298 goto theend;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7299 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7300
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7301 // If pattern contains "\c" or "\C": overrule value of rex.reg_ic
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7302 if (prog->regflags & RF_ICASE)
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7303 rex.reg_ic = TRUE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7304 else if (prog->regflags & RF_NOICASE)
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7305 rex.reg_ic = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7306
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7307 // If pattern contains "\Z" overrule value of rex.reg_icombine
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7308 if (prog->regflags & RF_ICOMBINE)
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7309 rex.reg_icombine = TRUE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7310
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7311 rex.line = line;
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7312 rex.lnum = 0; // relative to line
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7313
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7314 rex.nfa_has_zend = prog->has_zend;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7315 rex.nfa_has_backref = prog->has_backref;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7316 rex.nfa_nsubexpr = prog->nsubexp;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7317 rex.nfa_listid = 1;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7318 rex.nfa_alt_listid = 2;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7319 #ifdef DEBUG
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
7320 nfa_regengine.expr = prog->pattern;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7321 #endif
4553
7b835b2969af updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents: 4551
diff changeset
7322
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7323 if (prog->reganch && col > 0)
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7324 return 0L;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7325
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7326 rex.need_clear_subexpr = TRUE;
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7327 #ifdef FEAT_SYN_HL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7328 // Clear the external match subpointers if necessary.
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7329 if (prog->reghasz == REX_SET)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7330 {
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7331 rex.nfa_has_zsubexpr = TRUE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7332 rex.need_clear_zsubexpr = TRUE;
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7333 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7334 else
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7335 {
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7336 rex.nfa_has_zsubexpr = FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7337 rex.need_clear_zsubexpr = FALSE;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7338 }
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7339 #endif
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7340
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7341 if (prog->regstart != NUL)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7342 {
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7343 // Skip ahead until a character we know the match must start with.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7344 // When there is none there is no match.
4801
3cd3cc1e9119 updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents: 4799
diff changeset
7345 if (skip_to_start(prog->regstart, &col) == FAIL)
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7346 return 0L;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7347
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7348 // If match_text is set it contains the full text that must match.
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7349 // Nothing else to try. Doesn't handle combining chars well.
15603
639b8318472c patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents: 15490
diff changeset
7350 if (prog->match_text != NULL && !rex.reg_icombine)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7351 return find_match_text(col, prog->regstart, prog->match_text);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7352 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7353
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7354 // If the start column is past the maximum column: no need to try.
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7355 if (rex.reg_maxcol > 0 && col >= rex.reg_maxcol)
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7356 goto theend;
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7357
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7358 // Set the "nstate" used by nfa_regcomp() to zero to trigger an error when
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7359 // it's accidentally used during execution.
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7360 nstate = 0;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7361 for (i = 0; i < prog->nstate; ++i)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7362 {
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7363 prog->state[i].id = i;
4718
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
7364 prog->state[i].lastlist[0] = 0;
ec72bb4a0fc2 updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents: 4716
diff changeset
7365 prog->state[i].lastlist[1] = 0;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7366 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7367
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
7368 retval = nfa_regtry(prog, col, tm, timed_out);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7369
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7370 #ifdef DEBUG
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
7371 nfa_regengine.expr = NULL;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7372 #endif
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
7373
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7374 theend:
23270
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7375 if (retval > 0)
23150
90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
7376 {
23270
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7377 // Make sure the end is never before the start. Can happen when \zs and
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7378 // \ze are used.
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7379 if (REG_MULTI)
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7380 {
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7381 lpos_T *start = &rex.reg_mmatch->startpos[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7382 lpos_T *end = &rex.reg_mmatch->endpos[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7383
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7384 if (end->lnum < start->lnum
23150
90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
7385 || (end->lnum == start->lnum && end->col < start->col))
23270
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7386 rex.reg_mmatch->endpos[0] = rex.reg_mmatch->startpos[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7387 }
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7388 else
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7389 {
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7390 if (rex.reg_match->endp[0] < rex.reg_match->startp[0])
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7391 rex.reg_match->endp[0] = rex.reg_match->startp[0];
22d0c25869d8 patch 8.2.2181: valgrind warnings for using uninitialized value
Bram Moolenaar <Bram@vim.org>
parents: 23262
diff changeset
7392 }
23150
90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
7393 }
90b16a0022e5 patch 8.2.2121: internal error when using ze before zs in a pattern
Bram Moolenaar <Bram@vim.org>
parents: 22167
diff changeset
7394
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7395 return retval;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7396 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7397
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7398 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7399 * Compile a regular expression into internal code for the NFA matcher.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7400 * Returns the program in allocated space. Returns NULL for an error.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7401 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7402 static regprog_T *
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7403 nfa_regcomp(char_u *expr, int re_flags)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7404 {
4541
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7405 nfa_regprog_T *prog = NULL;
4458
21e13403140a updated for version 7.3.977
Bram Moolenaar <bram@vim.org>
parents: 4456
diff changeset
7406 size_t prog_size;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7407 int *postfix;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7408
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7409 if (expr == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7410 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7411
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7412 #ifdef DEBUG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7413 nfa_regengine.expr = expr;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7414 #endif
6533
bdc8e71633e4 updated for version 7.4.593
Bram Moolenaar <bram@vim.org>
parents: 6510
diff changeset
7415 nfa_re_flags = re_flags;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7416
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7417 init_class_tab();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7418
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7419 if (nfa_regcomp_start(expr, re_flags) == FAIL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7420 return NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7421
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7422 // Build postfix form of the regexp. Needed to build the NFA
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7423 // (and count its size).
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7424 postfix = re2post();
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7425 if (postfix == NULL)
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7426 goto fail; // Cascaded (syntax?) error
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7427
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7428 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7429 * In order to build the NFA, we parse the input regexp twice:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7430 * 1. first pass to count size (so we can allocate space)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7431 * 2. second to emit code
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7432 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7433 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7434 {
4531
1be43c095aff updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents: 4529
diff changeset
7435 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a");
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7436
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7437 if (f != NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7438 {
14145
1cf832945469 patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents: 14121
diff changeset
7439 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\"... hold on !\n", expr);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7440 fclose(f);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7441 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7442 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7443 #endif
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7445 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7446 * PASS 1
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7447 * Count number of NFA states in "nstate". Do not build the NFA.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7448 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7449 post2nfa(postfix, post_ptr, TRUE);
4541
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7450
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7451 // allocate the regprog with space for the compiled regexp
4837
05b8436873d4 updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents: 4821
diff changeset
7452 prog_size = sizeof(nfa_regprog_T) + sizeof(nfa_state_T) * (nstate - 1);
16825
ce04ebdf26b8 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents: 16782
diff changeset
7453 prog = alloc(prog_size);
4541
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7454 if (prog == NULL)
80170d61a85c updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents: 4539
diff changeset
7455 goto fail;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7456 state_ptr = prog->state;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7457 prog->re_in_use = FALSE;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7458
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7459 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7460 * PASS 2
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7461 * Build the NFA
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7462 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7463 prog->start = post2nfa(postfix, post_ptr, FALSE);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7464 if (prog->start == NULL)
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7465 goto fail;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7466
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7467 prog->regflags = regflags;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7468 prog->engine = &nfa_regengine;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7469 prog->nstate = nstate;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7470 prog->has_zend = rex.nfa_has_zend;
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7471 prog->has_backref = rex.nfa_has_backref;
4561
4d81fdda8f35 updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents: 4559
diff changeset
7472 prog->nsubexp = regnpar;
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7473
4845
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
7474 nfa_postprocess(prog);
a83fb2bd8c8e updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents: 4837
diff changeset
7475
4772
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7476 prog->reganch = nfa_get_reganch(prog->start, 0);
03375ccf28a2 updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents: 4770
diff changeset
7477 prog->regstart = nfa_get_regstart(prog->start, 0);
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7478 prog->match_text = nfa_get_match_text(prog->start);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7479
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7480 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7481 nfa_postfix_dump(expr, OK);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7482 nfa_dump(prog);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7483 #endif
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7484 #ifdef FEAT_SYN_HL
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7485 // Remember whether this pattern has any \z specials in it.
4686
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7486 prog->reghasz = re_has_z;
8db697ae406a updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents: 4682
diff changeset
7487 #endif
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7488 prog->pattern = vim_strsave(expr);
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7489 #ifdef DEBUG
4690
9d97a0c045ef updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents: 4688
diff changeset
7490 nfa_regengine.expr = NULL;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7491 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7492
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7493 out:
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 13208
diff changeset
7494 VIM_CLEAR(post_start);
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 13208
diff changeset
7495 post_ptr = post_end = NULL;
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7496 state_ptr = NULL;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7497 return (regprog_T *)prog;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7498
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7499 fail:
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 13208
diff changeset
7500 VIM_CLEAR(prog);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7501 #ifdef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7502 nfa_postfix_dump(expr, FAIL);
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7503 #endif
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7504 #ifdef DEBUG
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7505 nfa_regengine.expr = NULL;
14354
ffd834f893aa patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents: 14309
diff changeset
7506 #endif
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7507 goto out;
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7508 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7509
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7510 /*
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7511 * Free a compiled regexp program, returned by nfa_regcomp().
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7512 */
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7513 static void
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7514 nfa_regfree(regprog_T *prog)
4805
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7515 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7516 if (prog != NULL)
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7517 {
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7518 vim_free(((nfa_regprog_T *)prog)->match_text);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7519 vim_free(((nfa_regprog_T *)prog)->pattern);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7520 vim_free(prog);
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7521 }
66803af09906 updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents: 4801
diff changeset
7522 }
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7523
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7524 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7525 * Match a regexp against a string.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7526 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp().
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7527 * Uses curbuf for line count and 'iskeyword'.
5838
0ea551fa607d updated for version 7.4.262
Bram Moolenaar <bram@vim.org>
parents: 5820
diff changeset
7528 * If "line_lbr" is TRUE consider a "\n" in "line" to be a line break.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7529 *
6392
2bb019eb60ca updated for version 7.4.527
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
7530 * Returns <= 0 for failure, number of lines contained in the match otherwise.
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7531 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7532 static int
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7533 nfa_regexec_nl(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7534 regmatch_T *rmp,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7535 char_u *line, // string to match against
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7536 colnr_T col, // column to start looking for match
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7537 int line_lbr)
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7538 {
10245
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7539 rex.reg_match = rmp;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7540 rex.reg_mmatch = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7541 rex.reg_maxline = 0;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7542 rex.reg_line_lbr = line_lbr;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7543 rex.reg_buf = curbuf;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7544 rex.reg_win = NULL;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7545 rex.reg_ic = rmp->rm_ic;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7546 rex.reg_icombine = FALSE;
d76ccdacb41e commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents: 10170
diff changeset
7547 rex.reg_maxcol = 0;
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
7548 return nfa_regexec_both(line, col, NULL, NULL);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7549 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7550
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7551
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7552 /*
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7553 * Match a regexp against multiple lines.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7554 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp().
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7555 * Uses curbuf for line count and 'iskeyword'.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7556 *
6392
2bb019eb60ca updated for version 7.4.527
Bram Moolenaar <bram@vim.org>
parents: 6328
diff changeset
7557 * Return <= 0 if there is no match. Return number of lines contained in the
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7558 * match otherwise.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7559 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7560 * Note: the body is the same as bt_regexec() except for nfa_regexec_both()
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7561 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7562 * ! Also NOTE : match may actually be in another line. e.g.:
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7563 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7564 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7565 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7566 * |a |
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7567 * |b |
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7568 * |c |
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7569 * | |
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7570 * +-------------------------+
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7571 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7572 * then nfa_regexec_multi() returns 3. while the original
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7573 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7574 *
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7575 * FIXME if this behavior is not compatible.
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7576 */
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7577 static long
7833
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7578 nfa_regexec_multi(
c079097365f3 commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents: 7805
diff changeset
7579 regmmatch_T *rmp,
18812
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7580 win_T *win, // window in which to search or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7581 buf_T *buf, // buffer in which to search
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7582 linenr_T lnum, // nr of line to start looking for match
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7583 colnr_T col, // column to start looking for match
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7584 proftime_T *tm, // timeout limit or NULL
d34ec6fe207d patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents: 18498
diff changeset
7585 int *timed_out) // flag set on timeout or NULL
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7586 {
19405
08f4dc2ba716 patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents: 18945
diff changeset
7587 init_regexec_multi(rmp, win, buf, lnum);
11521
578df034735d patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents: 11480
diff changeset
7588 return nfa_regexec_both(NULL, col, tm, timed_out);
4444
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7589 }
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7590
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7591 #ifdef DEBUG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7592 # undef ENABLE_LOG
ccecb03e5e8b updated for version 7.3.970
Bram Moolenaar <bram@vim.org>
parents:
diff changeset
7593 #endif