Mercurial > vim
annotate src/regexp_nfa.c @ 15715:52930462eec4 v8.1.0865
patch 8.1.0865: when 'listchars' only contains "nbsp:X" it does not work
commit https://github.com/vim/vim/commit/895d966e341c187ffcf9da88dba193cbfcebf000
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Jan 31 21:57:21 2019 +0100
patch 8.1.0865: when 'listchars' only contains "nbsp:X" it does not work
Problem: When 'listchars' only contains "nbsp:X" it does not work.
Solution: Set extra_check when lcs_nbsp is set. (Ralf Schandl, closes https://github.com/vim/vim/issues/3889)
author | Bram Moolenaar <Bram@vim.org> |
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date | Thu, 31 Jan 2019 22:00:06 +0100 |
parents | 2e2f07561f4b |
children | 481452f6687c |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
4444 | 2 * |
3 * NFA regular expression implementation. | |
4 * | |
5 * This file is included in "regexp.c". | |
6 */ | |
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 * Do disable all of this when compiling Vim for debugging, undefine DEBUG in |
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22 * regexp.c |
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23 */ |
4444 | 24 #ifdef DEBUG |
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25 # define NFA_REGEXP_ERROR_LOG "nfa_regexp_error.log" |
4444 | 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" |
4444 | 30 #endif |
31 | |
5296 | 32 /* Added to NFA_ANY - NFA_NUPPER_IC to include a NL. */ |
33 #define NFA_ADD_NL 31 | |
34 | |
4444 | 35 enum |
36 { | |
37 NFA_SPLIT = -1024, | |
38 NFA_MATCH, | |
5370 | 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) */ |
4444 | 57 |
58 NFA_BOL, /* ^ Begin line */ | |
59 NFA_EOL, /* $ End line */ | |
60 NFA_BOW, /* \< Begin word */ | |
61 NFA_EOW, /* \> End word */ | |
62 NFA_BOF, /* \%^ Begin file */ | |
63 NFA_EOF, /* \%$ End file */ | |
64 NFA_NEWL, | |
65 NFA_ZSTART, /* Used for \zs */ | |
66 NFA_ZEND, /* Used for \ze */ | |
67 NFA_NOPEN, /* Start of subexpression marked with \%( */ | |
68 NFA_NCLOSE, /* End of subexpr. marked with \%( ... \) */ | |
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, |
4444 | 78 NFA_END_INVISIBLE, |
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79 NFA_END_INVISIBLE_NEG, |
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80 NFA_END_PATTERN, |
4444 | 81 NFA_COMPOSING, /* Next nodes in NFA are part of the |
82 composing multibyte char */ | |
83 NFA_END_COMPOSING, /* End of a composing char in the NFA */ | |
5901 | 84 NFA_ANY_COMPOSING, /* \%C: Any composing characters. */ |
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85 NFA_OPT_CHARS, /* \%[abc] */ |
4444 | 86 |
87 /* The following are used only in the postfix form, not in the NFA */ | |
88 NFA_PREV_ATOM_NO_WIDTH, /* Used for \@= */ | |
89 NFA_PREV_ATOM_NO_WIDTH_NEG, /* Used for \@! */ | |
90 NFA_PREV_ATOM_JUST_BEFORE, /* Used for \@<= */ | |
91 NFA_PREV_ATOM_JUST_BEFORE_NEG, /* Used for \@<! */ | |
92 NFA_PREV_ATOM_LIKE_PATTERN, /* Used for \@> */ | |
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 |
4444 | 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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130 NFA_MCLOSE3, |
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131 NFA_MCLOSE4, |
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132 NFA_MCLOSE5, |
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133 NFA_MCLOSE6, |
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134 NFA_MCLOSE7, |
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135 NFA_MCLOSE8, |
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136 NFA_MCLOSE9, |
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137 |
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138 #ifdef FEAT_SYN_HL |
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139 NFA_ZOPEN, |
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140 NFA_ZOPEN1, |
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141 NFA_ZOPEN2, |
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142 NFA_ZOPEN3, |
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143 NFA_ZOPEN4, |
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144 NFA_ZOPEN5, |
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145 NFA_ZOPEN6, |
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146 NFA_ZOPEN7, |
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147 NFA_ZOPEN8, |
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148 NFA_ZOPEN9, |
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149 |
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150 NFA_ZCLOSE, |
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151 NFA_ZCLOSE1, |
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152 NFA_ZCLOSE2, |
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153 NFA_ZCLOSE3, |
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154 NFA_ZCLOSE4, |
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155 NFA_ZCLOSE5, |
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156 NFA_ZCLOSE6, |
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157 NFA_ZCLOSE7, |
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158 NFA_ZCLOSE8, |
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159 NFA_ZCLOSE9, |
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160 #endif |
4444 | 161 |
162 /* NFA_FIRST_NL */ | |
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163 NFA_ANY, /* Match any one character. */ |
4444 | 164 NFA_IDENT, /* Match identifier char */ |
165 NFA_SIDENT, /* Match identifier char but no digit */ | |
166 NFA_KWORD, /* Match keyword char */ | |
167 NFA_SKWORD, /* Match word char but no digit */ | |
168 NFA_FNAME, /* Match file name char */ | |
169 NFA_SFNAME, /* Match file name char but no digit */ | |
170 NFA_PRINT, /* Match printable char */ | |
171 NFA_SPRINT, /* Match printable char but no digit */ | |
172 NFA_WHITE, /* Match whitespace char */ | |
173 NFA_NWHITE, /* Match non-whitespace char */ | |
174 NFA_DIGIT, /* Match digit char */ | |
175 NFA_NDIGIT, /* Match non-digit char */ | |
176 NFA_HEX, /* Match hex char */ | |
177 NFA_NHEX, /* Match non-hex char */ | |
178 NFA_OCTAL, /* Match octal char */ | |
179 NFA_NOCTAL, /* Match non-octal char */ | |
180 NFA_WORD, /* Match word char */ | |
181 NFA_NWORD, /* Match non-word char */ | |
182 NFA_HEAD, /* Match head char */ | |
183 NFA_NHEAD, /* Match non-head char */ | |
184 NFA_ALPHA, /* Match alpha char */ | |
185 NFA_NALPHA, /* Match non-alpha char */ | |
186 NFA_LOWER, /* Match lowercase char */ | |
187 NFA_NLOWER, /* Match non-lowercase char */ | |
188 NFA_UPPER, /* Match uppercase char */ | |
189 NFA_NUPPER, /* Match non-uppercase char */ | |
5296 | 190 NFA_LOWER_IC, /* Match [a-z] */ |
191 NFA_NLOWER_IC, /* Match [^a-z] */ | |
192 NFA_UPPER_IC, /* Match [A-Z] */ | |
193 NFA_NUPPER_IC, /* Match [^A-Z] */ | |
194 | |
195 NFA_FIRST_NL = NFA_ANY + NFA_ADD_NL, | |
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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203 NFA_COL_GT, /* Match > cursor column */ |
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204 NFA_COL_LT, /* Match < cursor column */ |
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205 NFA_VCOL, /* Match cursor virtual column */ |
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206 NFA_VCOL_GT, /* Match > cursor virtual column */ |
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207 NFA_VCOL_LT, /* Match < cursor virtual column */ |
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208 NFA_MARK, /* Match mark */ |
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209 NFA_MARK_GT, /* Match > mark */ |
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210 NFA_MARK_LT, /* Match < mark */ |
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211 NFA_VISUAL, /* Match Visual area */ |
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212 |
4444 | 213 /* Character classes [:alnum:] etc */ |
214 NFA_CLASS_ALNUM, | |
215 NFA_CLASS_ALPHA, | |
216 NFA_CLASS_BLANK, | |
217 NFA_CLASS_CNTRL, | |
218 NFA_CLASS_DIGIT, | |
219 NFA_CLASS_GRAPH, | |
220 NFA_CLASS_LOWER, | |
221 NFA_CLASS_PRINT, | |
222 NFA_CLASS_PUNCT, | |
223 NFA_CLASS_SPACE, | |
224 NFA_CLASS_UPPER, | |
225 NFA_CLASS_XDIGIT, | |
226 NFA_CLASS_TAB, | |
227 NFA_CLASS_RETURN, | |
228 NFA_CLASS_BACKSPACE, | |
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229 NFA_CLASS_ESCAPE, |
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230 NFA_CLASS_IDENT, |
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231 NFA_CLASS_KEYWORD, |
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232 NFA_CLASS_FNAME |
4444 | 233 }; |
234 | |
235 /* Keep in sync with classchars. */ | |
236 static int nfa_classcodes[] = { | |
237 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD, | |
238 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT, | |
239 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT, | |
240 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL, | |
241 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD, | |
242 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER, | |
243 NFA_UPPER, NFA_NUPPER | |
244 }; | |
245 | |
5511 | 246 static char_u e_nul_found[] = N_("E865: (NFA) Regexp end encountered prematurely"); |
4444 | 247 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); |
5511 | 248 static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character class: %ld"); |
4444 | 249 |
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250 // Variables only used in nfa_regcomp() and descendants. |
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251 static int nfa_re_flags; // re_flags passed to nfa_regcomp() |
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252 static int *post_start; // holds the postfix form of r.e. |
4444 | 253 static int *post_end; |
254 static int *post_ptr; | |
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255 static int nstate; // Number of states in the NFA. |
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256 static int istate; // Index in the state vector, used in alloc_state() |
4444 | 257 |
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258 /* If not NULL match must end at this position */ |
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259 static save_se_T *nfa_endp = NULL; |
4444 | 260 |
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261 /* 0 for first call to nfa_regmatch(), 1 for recursive call. */ |
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262 static int nfa_ll_index = 0; |
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263 |
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264 static int realloc_post_list(void); |
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265 static int nfa_reg(int paren); |
4444 | 266 #ifdef DEBUG |
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267 static void nfa_print_state2(FILE *debugf, nfa_state_T *state, garray_T *indent); |
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268 #endif |
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269 static int match_follows(nfa_state_T *startstate, int depth); |
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270 static int failure_chance(nfa_state_T *state, int depth); |
4444 | 271 |
272 /* helper functions used when doing re2post() ... regatom() parsing */ | |
273 #define EMIT(c) do { \ | |
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274 if (post_ptr >= post_end && realloc_post_list() == FAIL) \ |
4444 | 275 return FAIL; \ |
276 *post_ptr++ = c; \ | |
277 } while (0) | |
278 | |
279 /* | |
280 * Initialize internal variables before NFA compilation. | |
281 * Return OK on success, FAIL otherwise. | |
282 */ | |
283 static int | |
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284 nfa_regcomp_start( |
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285 char_u *expr, |
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286 int re_flags) /* see vim_regcomp() */ |
4444 | 287 { |
4458 | 288 size_t postfix_size; |
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289 int nstate_max; |
4444 | 290 |
291 nstate = 0; | |
292 istate = 0; | |
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293 /* A reasonable estimation for maximum size */ |
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294 nstate_max = (int)(STRLEN(expr) + 1) * 25; |
4444 | 295 |
4454 | 296 /* Some items blow up in size, such as [A-z]. Add more space for that. |
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297 * When it is still not enough realloc_post_list() will be used. */ |
4458 | 298 nstate_max += 1000; |
4454 | 299 |
300 /* Size for postfix representation of expr. */ | |
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301 postfix_size = sizeof(int) * nstate_max; |
4454 | 302 |
4444 | 303 post_start = (int *)lalloc(postfix_size, TRUE); |
304 if (post_start == NULL) | |
305 return FAIL; | |
306 post_ptr = post_start; | |
4454 | 307 post_end = post_start + nstate_max; |
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308 rex.nfa_has_zend = FALSE; |
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309 rex.nfa_has_backref = FALSE; |
4444 | 310 |
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311 /* shared with BT engine */ |
4444 | 312 regcomp_start(expr, re_flags); |
313 | |
314 return OK; | |
315 } | |
316 | |
317 /* | |
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318 * Figure out if the NFA state list starts with an anchor, must match at start |
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319 * of the line. |
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320 */ |
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321 static int |
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322 nfa_get_reganch(nfa_state_T *start, int depth) |
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323 { |
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324 nfa_state_T *p = start; |
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325 |
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326 if (depth > 4) |
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327 return 0; |
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328 |
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329 while (p != NULL) |
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330 { |
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331 switch (p->c) |
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332 { |
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333 case NFA_BOL: |
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334 case NFA_BOF: |
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335 return 1; /* yes! */ |
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336 |
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337 case NFA_ZSTART: |
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338 case NFA_ZEND: |
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339 case NFA_CURSOR: |
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340 case NFA_VISUAL: |
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341 |
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342 case NFA_MOPEN: |
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343 case NFA_MOPEN1: |
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344 case NFA_MOPEN2: |
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345 case NFA_MOPEN3: |
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346 case NFA_MOPEN4: |
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347 case NFA_MOPEN5: |
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348 case NFA_MOPEN6: |
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349 case NFA_MOPEN7: |
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350 case NFA_MOPEN8: |
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351 case NFA_MOPEN9: |
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352 case NFA_NOPEN: |
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353 #ifdef FEAT_SYN_HL |
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354 case NFA_ZOPEN: |
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355 case NFA_ZOPEN1: |
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356 case NFA_ZOPEN2: |
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357 case NFA_ZOPEN3: |
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358 case NFA_ZOPEN4: |
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359 case NFA_ZOPEN5: |
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360 case NFA_ZOPEN6: |
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361 case NFA_ZOPEN7: |
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362 case NFA_ZOPEN8: |
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363 case NFA_ZOPEN9: |
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364 #endif |
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365 p = p->out; |
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366 break; |
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367 |
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368 case NFA_SPLIT: |
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369 return nfa_get_reganch(p->out, depth + 1) |
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370 && nfa_get_reganch(p->out1, depth + 1); |
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371 |
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372 default: |
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373 return 0; /* noooo */ |
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374 } |
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375 } |
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376 return 0; |
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377 } |
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378 |
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379 /* |
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380 * Figure out if the NFA state list starts with a character which must match |
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381 * at start of the match. |
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382 */ |
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383 static int |
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Christian Brabandt <cb@256bit.org>
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diff
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|
384 nfa_get_regstart(nfa_state_T *start, int depth) |
4772
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385 { |
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386 nfa_state_T *p = start; |
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387 |
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388 if (depth > 4) |
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389 return 0; |
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390 |
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391 while (p != NULL) |
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392 { |
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393 switch (p->c) |
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394 { |
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395 /* all kinds of zero-width matches */ |
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396 case NFA_BOL: |
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397 case NFA_BOF: |
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|
398 case NFA_BOW: |
03375ccf28a2
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399 case NFA_EOW: |
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|
400 case NFA_ZSTART: |
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|
401 case NFA_ZEND: |
03375ccf28a2
updated for version 7.3.1133
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402 case NFA_CURSOR: |
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403 case NFA_VISUAL: |
03375ccf28a2
updated for version 7.3.1133
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404 case NFA_LNUM: |
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updated for version 7.3.1133
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405 case NFA_LNUM_GT: |
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updated for version 7.3.1133
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406 case NFA_LNUM_LT: |
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407 case NFA_COL: |
03375ccf28a2
updated for version 7.3.1133
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|
408 case NFA_COL_GT: |
03375ccf28a2
updated for version 7.3.1133
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|
409 case NFA_COL_LT: |
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|
410 case NFA_VCOL: |
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updated for version 7.3.1133
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|
411 case NFA_VCOL_GT: |
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|
412 case NFA_VCOL_LT: |
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updated for version 7.3.1133
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|
413 case NFA_MARK: |
03375ccf28a2
updated for version 7.3.1133
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|
414 case NFA_MARK_GT: |
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updated for version 7.3.1133
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|
415 case NFA_MARK_LT: |
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|
416 |
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|
417 case NFA_MOPEN: |
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updated for version 7.3.1133
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|
418 case NFA_MOPEN1: |
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419 case NFA_MOPEN2: |
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|
420 case NFA_MOPEN3: |
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|
421 case NFA_MOPEN4: |
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|
422 case NFA_MOPEN5: |
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updated for version 7.3.1133
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|
423 case NFA_MOPEN6: |
03375ccf28a2
updated for version 7.3.1133
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|
424 case NFA_MOPEN7: |
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updated for version 7.3.1133
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|
425 case NFA_MOPEN8: |
03375ccf28a2
updated for version 7.3.1133
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|
426 case NFA_MOPEN9: |
03375ccf28a2
updated for version 7.3.1133
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|
427 case NFA_NOPEN: |
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updated for version 7.3.1133
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|
428 #ifdef FEAT_SYN_HL |
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|
429 case NFA_ZOPEN: |
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updated for version 7.3.1133
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|
430 case NFA_ZOPEN1: |
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|
431 case NFA_ZOPEN2: |
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updated for version 7.3.1133
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|
432 case NFA_ZOPEN3: |
03375ccf28a2
updated for version 7.3.1133
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|
433 case NFA_ZOPEN4: |
03375ccf28a2
updated for version 7.3.1133
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|
434 case NFA_ZOPEN5: |
03375ccf28a2
updated for version 7.3.1133
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|
435 case NFA_ZOPEN6: |
03375ccf28a2
updated for version 7.3.1133
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|
436 case NFA_ZOPEN7: |
03375ccf28a2
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|
437 case NFA_ZOPEN8: |
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updated for version 7.3.1133
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|
438 case NFA_ZOPEN9: |
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|
439 #endif |
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|
440 p = p->out; |
03375ccf28a2
updated for version 7.3.1133
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|
441 break; |
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|
442 |
03375ccf28a2
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|
443 case NFA_SPLIT: |
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|
444 { |
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|
445 int c1 = nfa_get_regstart(p->out, depth + 1); |
03375ccf28a2
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|
446 int c2 = nfa_get_regstart(p->out1, depth + 1); |
03375ccf28a2
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|
447 |
03375ccf28a2
updated for version 7.3.1133
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|
448 if (c1 == c2) |
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449 return c1; /* yes! */ |
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|
450 return 0; |
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|
451 } |
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|
452 |
03375ccf28a2
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changeset
|
453 default: |
4785
3b5a023a4543
updated for version 7.3.1139
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parents:
4783
diff
changeset
|
454 if (p->c > 0) |
4772
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|
455 return p->c; /* yes! */ |
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|
456 return 0; |
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|
457 } |
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|
458 } |
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|
459 return 0; |
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|
460 } |
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|
461 |
03375ccf28a2
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|
462 /* |
4805
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|
463 * Figure out if the NFA state list contains just literal text and nothing |
4807
3dbd251777de
updated for version 7.3.1150
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diff
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464 * else. If so return a string in allocated memory with what must match after |
3dbd251777de
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465 * regstart. Otherwise return NULL. |
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|
466 */ |
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|
467 static char_u * |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
468 nfa_get_match_text(nfa_state_T *start) |
4805
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|
469 { |
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|
470 nfa_state_T *p = start; |
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|
471 int len = 0; |
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|
472 char_u *ret; |
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|
473 char_u *s; |
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|
474 |
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diff
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|
475 if (p->c != NFA_MOPEN) |
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parents:
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diff
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|
476 return NULL; /* just in case */ |
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parents:
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diff
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|
477 p = p->out; |
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diff
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|
478 while (p->c > 0) |
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updated for version 7.3.1149
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parents:
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diff
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|
479 { |
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diff
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|
480 len += MB_CHAR2LEN(p->c); |
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diff
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|
481 p = p->out; |
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|
482 } |
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diff
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|
483 if (p->c != NFA_MCLOSE || p->out->c != NFA_MATCH) |
66803af09906
updated for version 7.3.1149
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diff
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|
484 return NULL; |
66803af09906
updated for version 7.3.1149
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diff
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|
485 |
66803af09906
updated for version 7.3.1149
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diff
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|
486 ret = alloc(len); |
66803af09906
updated for version 7.3.1149
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diff
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|
487 if (ret != NULL) |
66803af09906
updated for version 7.3.1149
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diff
changeset
|
488 { |
66803af09906
updated for version 7.3.1149
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diff
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|
489 p = start->out->out; /* skip first char, it goes into regstart */ |
66803af09906
updated for version 7.3.1149
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diff
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|
490 s = ret; |
66803af09906
updated for version 7.3.1149
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diff
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|
491 while (p->c > 0) |
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parents:
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diff
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|
492 { |
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diff
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|
493 if (has_mbyte) |
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updated for version 7.3.1149
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diff
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|
494 s += (*mb_char2bytes)(p->c, s); |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
495 else |
66803af09906
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diff
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|
496 *s++ = p->c; |
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diff
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|
497 p = p->out; |
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diff
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|
498 } |
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|
499 *s = NUL; |
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|
500 } |
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|
501 return ret; |
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diff
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|
502 } |
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|
503 |
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diff
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|
504 /* |
4651
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updated for version 7.3.1073
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diff
changeset
|
505 * Allocate more space for post_start. Called when |
f10f63aaec5c
updated for version 7.3.1073
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|
506 * running above the estimated number of states. |
f10f63aaec5c
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|
507 */ |
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|
508 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
509 realloc_post_list(void) |
4651
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diff
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|
510 { |
4667
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updated for version 7.3.1081
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diff
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|
511 int nstate_max = (int)(post_end - post_start); |
4651
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|
512 int new_max = nstate_max + 1000; |
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|
513 int *new_start; |
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|
514 int *old_start; |
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diff
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|
515 |
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516 new_start = (int *)lalloc(new_max * sizeof(int), TRUE); |
f10f63aaec5c
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|
517 if (new_start == NULL) |
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|
518 return FAIL; |
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diff
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|
519 mch_memmove(new_start, post_start, nstate_max * sizeof(int)); |
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diff
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|
520 old_start = post_start; |
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diff
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|
521 post_start = new_start; |
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|
522 post_ptr = new_start + (post_ptr - old_start); |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
523 post_end = post_start + new_max; |
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updated for version 7.3.1073
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|
524 vim_free(old_start); |
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|
525 return OK; |
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diff
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|
526 } |
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diff
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|
527 |
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updated for version 7.3.1073
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diff
changeset
|
528 /* |
4444 | 529 * Search between "start" and "end" and try to recognize a |
530 * character class in expanded form. For example [0-9]. | |
531 * On success, return the id the character class to be emitted. | |
532 * On failure, return 0 (=FAIL) | |
533 * Start points to the first char of the range, while end should point | |
534 * to the closing brace. | |
5296 | 535 * Keep in mind that 'ignorecase' applies at execution time, thus [a-z] may |
536 * need to be interpreted as [a-zA-Z]. | |
4444 | 537 */ |
538 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
539 nfa_recognize_char_class(char_u *start, char_u *end, int extra_newl) |
4444 | 540 { |
4728
43de4ebbe7ad
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diff
changeset
|
541 # define CLASS_not 0x80 |
43de4ebbe7ad
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parents:
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diff
changeset
|
542 # define CLASS_af 0x40 |
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parents:
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diff
changeset
|
543 # define CLASS_AF 0x20 |
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diff
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|
544 # define CLASS_az 0x10 |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
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diff
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|
545 # define CLASS_AZ 0x08 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
546 # define CLASS_o7 0x04 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
547 # define CLASS_o9 0x02 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
548 # define CLASS_underscore 0x01 |
43de4ebbe7ad
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diff
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|
549 |
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parents:
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diff
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|
550 int newl = FALSE; |
4444 | 551 char_u *p; |
4728
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diff
changeset
|
552 int config = 0; |
4444 | 553 |
554 if (extra_newl == TRUE) | |
555 newl = TRUE; | |
556 | |
557 if (*end != ']') | |
558 return FAIL; | |
559 p = start; | |
560 if (*p == '^') | |
561 { | |
4728
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diff
changeset
|
562 config |= CLASS_not; |
4720
bd6bef0bd0fb
updated for version 7.3.1107
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parents:
4718
diff
changeset
|
563 p++; |
4444 | 564 } |
565 | |
566 while (p < end) | |
567 { | |
568 if (p + 2 < end && *(p + 1) == '-') | |
569 { | |
570 switch (*p) | |
571 { | |
572 case '0': | |
573 if (*(p + 2) == '9') | |
574 { | |
4728
43de4ebbe7ad
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diff
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|
575 config |= CLASS_o9; |
4444 | 576 break; |
577 } | |
578 if (*(p + 2) == '7') | |
579 { | |
4728
43de4ebbe7ad
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diff
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|
580 config |= CLASS_o7; |
4444 | 581 break; |
582 } | |
11469
0ade9dd85156
patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
Christian Brabandt <cb@256bit.org>
parents:
11269
diff
changeset
|
583 return FAIL; |
0ade9dd85156
patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
Christian Brabandt <cb@256bit.org>
parents:
11269
diff
changeset
|
584 |
4444 | 585 case 'a': |
586 if (*(p + 2) == 'z') | |
587 { | |
4728
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updated for version 7.3.1111
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diff
changeset
|
588 config |= CLASS_az; |
4444 | 589 break; |
590 } | |
591 if (*(p + 2) == 'f') | |
592 { | |
4728
43de4ebbe7ad
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diff
changeset
|
593 config |= CLASS_af; |
4444 | 594 break; |
595 } | |
11469
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patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
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parents:
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diff
changeset
|
596 return FAIL; |
0ade9dd85156
patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
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parents:
11269
diff
changeset
|
597 |
4444 | 598 case 'A': |
599 if (*(p + 2) == 'Z') | |
600 { | |
4728
43de4ebbe7ad
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diff
changeset
|
601 config |= CLASS_AZ; |
4444 | 602 break; |
603 } | |
604 if (*(p + 2) == 'F') | |
605 { | |
4728
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diff
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|
606 config |= CLASS_AF; |
4444 | 607 break; |
608 } | |
11469
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patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
Christian Brabandt <cb@256bit.org>
parents:
11269
diff
changeset
|
609 return FAIL; |
0ade9dd85156
patch 8.0.0618: NFA regex engine handles [0-z] incorrectly
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parents:
11269
diff
changeset
|
610 |
4444 | 611 default: |
612 return FAIL; | |
613 } | |
614 p += 3; | |
615 } | |
616 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
617 { | |
618 newl = TRUE; | |
619 p += 2; | |
620 } | |
621 else if (*p == '_') | |
622 { | |
4728
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diff
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|
623 config |= CLASS_underscore; |
4444 | 624 p ++; |
625 } | |
626 else if (*p == '\n') | |
627 { | |
628 newl = TRUE; | |
629 p ++; | |
630 } | |
631 else | |
632 return FAIL; | |
633 } /* while (p < end) */ | |
634 | |
635 if (p != end) | |
636 return FAIL; | |
637 | |
638 if (newl == TRUE) | |
5296 | 639 extra_newl = NFA_ADD_NL; |
4728
43de4ebbe7ad
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diff
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|
640 |
43de4ebbe7ad
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diff
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|
641 switch (config) |
4444 | 642 { |
4728
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parents:
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diff
changeset
|
643 case CLASS_o9: |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
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diff
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|
644 return extra_newl + NFA_DIGIT; |
43de4ebbe7ad
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diff
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|
645 case CLASS_not | CLASS_o9: |
43de4ebbe7ad
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diff
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|
646 return extra_newl + NFA_NDIGIT; |
43de4ebbe7ad
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diff
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|
647 case CLASS_af | CLASS_AF | CLASS_o9: |
43de4ebbe7ad
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parents:
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diff
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|
648 return extra_newl + NFA_HEX; |
43de4ebbe7ad
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diff
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|
649 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9: |
43de4ebbe7ad
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diff
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|
650 return extra_newl + NFA_NHEX; |
43de4ebbe7ad
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diff
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|
651 case CLASS_o7: |
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diff
changeset
|
652 return extra_newl + NFA_OCTAL; |
43de4ebbe7ad
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parents:
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diff
changeset
|
653 case CLASS_not | CLASS_o7: |
43de4ebbe7ad
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diff
changeset
|
654 return extra_newl + NFA_NOCTAL; |
43de4ebbe7ad
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|
655 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
43de4ebbe7ad
updated for version 7.3.1111
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diff
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|
656 return extra_newl + NFA_WORD; |
43de4ebbe7ad
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diff
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|
657 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
43de4ebbe7ad
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diff
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|
658 return extra_newl + NFA_NWORD; |
43de4ebbe7ad
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diff
changeset
|
659 case CLASS_az | CLASS_AZ | CLASS_underscore: |
43de4ebbe7ad
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diff
changeset
|
660 return extra_newl + NFA_HEAD; |
43de4ebbe7ad
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diff
changeset
|
661 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore: |
43de4ebbe7ad
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diff
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|
662 return extra_newl + NFA_NHEAD; |
43de4ebbe7ad
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diff
changeset
|
663 case CLASS_az | CLASS_AZ: |
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parents:
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diff
changeset
|
664 return extra_newl + NFA_ALPHA; |
43de4ebbe7ad
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diff
changeset
|
665 case CLASS_not | CLASS_az | CLASS_AZ: |
43de4ebbe7ad
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parents:
4726
diff
changeset
|
666 return extra_newl + NFA_NALPHA; |
43de4ebbe7ad
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diff
changeset
|
667 case CLASS_az: |
5296 | 668 return extra_newl + NFA_LOWER_IC; |
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669 case CLASS_not | CLASS_az: |
5296 | 670 return extra_newl + NFA_NLOWER_IC; |
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671 case CLASS_AZ: |
5296 | 672 return extra_newl + NFA_UPPER_IC; |
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673 case CLASS_not | CLASS_AZ: |
5296 | 674 return extra_newl + NFA_NUPPER_IC; |
4444 | 675 } |
676 return FAIL; | |
677 } | |
678 | |
679 /* | |
680 * Produce the bytes for equivalence class "c". | |
681 * Currently only handles latin1, latin9 and utf-8. | |
682 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
683 * equivalent to 'a OR b OR c' | |
684 * | |
685 * NOTE! When changing this function, also update reg_equi_class() | |
686 */ | |
687 static int | |
7833
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688 nfa_emit_equi_class(int c) |
4444 | 689 { |
5351 | 690 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT); |
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691 #define EMITMBC(c) EMIT(c); EMIT(NFA_CONCAT); |
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692 |
4444 | 693 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 |
694 || STRCMP(p_enc, "iso-8859-15") == 0) | |
695 { | |
8841
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696 #ifdef EBCDIC |
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697 # define A_circumflex 0x62 |
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698 # define A_diaeresis 0x63 |
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699 # define A_grave 0x64 |
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700 # define A_acute 0x65 |
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701 # define A_virguilla 0x66 |
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702 # define A_ring 0x67 |
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703 # define C_cedilla 0x68 |
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704 # define E_acute 0x71 |
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705 # define E_circumflex 0x72 |
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|
706 # define E_diaeresis 0x73 |
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707 # define E_grave 0x74 |
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708 # define I_acute 0x75 |
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|
709 # define I_circumflex 0x76 |
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710 # define I_diaeresis 0x77 |
f196308a2813
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|
711 # define I_grave 0x78 |
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712 # define N_virguilla 0x69 |
f196308a2813
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|
713 # define O_circumflex 0xeb |
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diff
changeset
|
714 # define O_diaeresis 0xec |
f196308a2813
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715 # define O_grave 0xed |
f196308a2813
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changeset
|
716 # define O_acute 0xee |
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changeset
|
717 # define O_virguilla 0xef |
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718 # define O_slash 0x80 |
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|
719 # define U_circumflex 0xfb |
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|
720 # define U_diaeresis 0xfc |
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diff
changeset
|
721 # define U_grave 0xfd |
f196308a2813
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changeset
|
722 # define U_acute 0xfe |
f196308a2813
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changeset
|
723 # define Y_acute 0xba |
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changeset
|
724 # define a_grave 0x42 |
f196308a2813
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|
725 # define a_acute 0x43 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
726 # define a_circumflex 0x44 |
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|
727 # define a_virguilla 0x45 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
728 # define a_diaeresis 0x46 |
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changeset
|
729 # define a_ring 0x47 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
730 # define c_cedilla 0x48 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
731 # define e_grave 0x51 |
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|
732 # define e_acute 0x52 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
733 # define e_circumflex 0x53 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
734 # define e_diaeresis 0x54 |
f196308a2813
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735 # define i_grave 0x55 |
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|
736 # define i_acute 0x56 |
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|
737 # define i_circumflex 0x57 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
738 # define i_diaeresis 0x58 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
739 # define n_virguilla 0x49 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
740 # define o_grave 0xcb |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
741 # define o_acute 0xcc |
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changeset
|
742 # define o_circumflex 0xcd |
f196308a2813
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|
743 # define o_virguilla 0xce |
f196308a2813
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|
744 # define o_diaeresis 0xcf |
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745 # define o_slash 0x70 |
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|
746 # define u_grave 0xdb |
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|
747 # define u_acute 0xdc |
f196308a2813
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748 # define u_circumflex 0xdd |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
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749 # define u_diaeresis 0xde |
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changeset
|
750 # define y_acute 0x8d |
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diff
changeset
|
751 # define y_diaeresis 0xdf |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
752 #else |
f196308a2813
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753 # define A_grave 0xc0 |
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changeset
|
754 # define A_acute 0xc1 |
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|
755 # define A_circumflex 0xc2 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
756 # define A_virguilla 0xc3 |
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
757 # define A_diaeresis 0xc4 |
f196308a2813
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Christian Brabandt <cb@256bit.org>
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|
758 # define A_ring 0xc5 |
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changeset
|
759 # define C_cedilla 0xc7 |
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|
760 # define E_grave 0xc8 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
761 # define E_acute 0xc9 |
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changeset
|
762 # define E_circumflex 0xca |
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changeset
|
763 # define E_diaeresis 0xcb |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
764 # define I_grave 0xcc |
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765 # define I_acute 0xcd |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
766 # define I_circumflex 0xce |
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changeset
|
767 # define I_diaeresis 0xcf |
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768 # define N_virguilla 0xd1 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
769 # define O_grave 0xd2 |
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|
770 # define O_acute 0xd3 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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771 # define O_circumflex 0xd4 |
f196308a2813
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changeset
|
772 # define O_virguilla 0xd5 |
f196308a2813
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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773 # define O_diaeresis 0xd6 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
774 # define O_slash 0xd8 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
775 # define U_grave 0xd9 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
776 # define U_acute 0xda |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
777 # define U_circumflex 0xdb |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
778 # define U_diaeresis 0xdc |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
779 # define Y_acute 0xdd |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
780 # define a_grave 0xe0 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
781 # define a_acute 0xe1 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
782 # define a_circumflex 0xe2 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
783 # define a_virguilla 0xe3 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
784 # define a_diaeresis 0xe4 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
785 # define a_ring 0xe5 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
786 # define c_cedilla 0xe7 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
787 # define e_grave 0xe8 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
788 # define e_acute 0xe9 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
789 # define e_circumflex 0xea |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
790 # define e_diaeresis 0xeb |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
791 # define i_grave 0xec |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
792 # define i_acute 0xed |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
793 # define i_circumflex 0xee |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
794 # define i_diaeresis 0xef |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
795 # define n_virguilla 0xf1 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
796 # define o_grave 0xf2 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
797 # define o_acute 0xf3 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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changeset
|
798 # define o_circumflex 0xf4 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
799 # define o_virguilla 0xf5 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
800 # define o_diaeresis 0xf6 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
801 # define o_slash 0xf8 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
802 # define u_grave 0xf9 |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
803 # define u_acute 0xfa |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
804 # define u_circumflex 0xfb |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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|
805 # define u_diaeresis 0xfc |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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806 # define y_acute 0xfd |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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|
807 # define y_diaeresis 0xff |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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808 #endif |
4444 | 809 switch (c) |
810 { | |
8841
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
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811 case 'A': case A_grave: case A_acute: case A_circumflex: |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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812 case A_virguilla: case A_diaeresis: case A_ring: |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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813 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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814 CASEMBC(0x1cd) CASEMBC(0x1de) CASEMBC(0x1e0) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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815 CASEMBC(0x1ea2) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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816 EMIT2('A'); EMIT2(A_grave); EMIT2(A_acute); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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817 EMIT2(A_circumflex); EMIT2(A_virguilla); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
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818 EMIT2(A_diaeresis); EMIT2(A_ring); |
5351 | 819 EMITMBC(0x100) EMITMBC(0x102) EMITMBC(0x104) |
820 EMITMBC(0x1cd) EMITMBC(0x1de) EMITMBC(0x1e0) | |
821 EMITMBC(0x1ea2) | |
822 return OK; | |
823 | |
824 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06) | |
825 EMIT2('B'); EMITMBC(0x1e02) EMITMBC(0x1e06) | |
4444 | 826 return OK; |
827 | |
8841
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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828 case 'C': case C_cedilla: CASEMBC(0x106) CASEMBC(0x108) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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829 CASEMBC(0x10a) CASEMBC(0x10c) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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830 EMIT2('C'); EMIT2(C_cedilla); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
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831 EMITMBC(0x106) EMITMBC(0x108) |
5351 | 832 EMITMBC(0x10a) EMITMBC(0x10c) |
833 return OK; | |
834 | |
835 case 'D': CASEMBC(0x10e) CASEMBC(0x110) CASEMBC(0x1e0a) | |
8841
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
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836 CASEMBC(0x1e0e) CASEMBC(0x1e10) |
5351 | 837 EMIT2('D'); EMITMBC(0x10e) EMITMBC(0x110) EMITMBC(0x1e0a) |
838 EMITMBC(0x1e0e) EMITMBC(0x1e10) | |
4444 | 839 return OK; |
840 | |
8841
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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|
841 case 'E': case E_grave: case E_acute: case E_circumflex: |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
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842 case E_diaeresis: CASEMBC(0x112) CASEMBC(0x114) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
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843 CASEMBC(0x116) CASEMBC(0x118) CASEMBC(0x11a) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
844 CASEMBC(0x1eba) CASEMBC(0x1ebc) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
845 EMIT2('E'); EMIT2(E_grave); EMIT2(E_acute); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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|
846 EMIT2(E_circumflex); EMIT2(E_diaeresis); |
5351 | 847 EMITMBC(0x112) EMITMBC(0x114) EMITMBC(0x116) |
848 EMITMBC(0x118) EMITMBC(0x11a) EMITMBC(0x1eba) | |
849 EMITMBC(0x1ebc) | |
850 return OK; | |
851 | |
852 case 'F': CASEMBC(0x1e1e) | |
853 EMIT2('F'); EMITMBC(0x1e1e) | |
854 return OK; | |
855 | |
856 case 'G': CASEMBC(0x11c) CASEMBC(0x11e) CASEMBC(0x120) | |
8841
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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857 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
858 CASEMBC(0x1f4) CASEMBC(0x1e20) |
5351 | 859 EMIT2('G'); EMITMBC(0x11c) EMITMBC(0x11e) EMITMBC(0x120) |
860 EMITMBC(0x122) EMITMBC(0x1e4) EMITMBC(0x1e6) | |
861 EMITMBC(0x1f4) EMITMBC(0x1e20) | |
862 return OK; | |
863 | |
864 case 'H': CASEMBC(0x124) CASEMBC(0x126) CASEMBC(0x1e22) | |
8841
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
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865 CASEMBC(0x1e26) CASEMBC(0x1e28) |
5351 | 866 EMIT2('H'); EMITMBC(0x124) EMITMBC(0x126) EMITMBC(0x1e22) |
867 EMITMBC(0x1e26) EMITMBC(0x1e28) | |
4444 | 868 return OK; |
869 | |
8841
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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870 case 'I': case I_grave: case I_acute: case I_circumflex: |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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871 case I_diaeresis: CASEMBC(0x128) CASEMBC(0x12a) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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872 CASEMBC(0x12c) CASEMBC(0x12e) CASEMBC(0x130) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
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873 CASEMBC(0x1cf) CASEMBC(0x1ec8) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
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874 EMIT2('I'); EMIT2(I_grave); EMIT2(I_acute); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
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|
875 EMIT2(I_circumflex); EMIT2(I_diaeresis); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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changeset
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876 EMITMBC(0x128) EMITMBC(0x12a) |
5351 | 877 EMITMBC(0x12c) EMITMBC(0x12e) EMITMBC(0x130) |
878 EMITMBC(0x1cf) EMITMBC(0x1ec8) | |
879 return OK; | |
880 | |
881 case 'J': CASEMBC(0x134) | |
882 EMIT2('J'); EMITMBC(0x134) | |
883 return OK; | |
884 | |
885 case 'K': CASEMBC(0x136) CASEMBC(0x1e8) CASEMBC(0x1e30) | |
8841
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|
886 CASEMBC(0x1e34) |
5351 | 887 EMIT2('K'); EMITMBC(0x136) EMITMBC(0x1e8) EMITMBC(0x1e30) |
888 EMITMBC(0x1e34) | |
889 return OK; | |
890 | |
891 case 'L': CASEMBC(0x139) CASEMBC(0x13b) CASEMBC(0x13d) | |
8841
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892 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a) |
5351 | 893 EMIT2('L'); EMITMBC(0x139) EMITMBC(0x13b) EMITMBC(0x13d) |
894 EMITMBC(0x13f) EMITMBC(0x141) EMITMBC(0x1e3a) | |
895 return OK; | |
896 | |
897 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40) | |
898 EMIT2('M'); EMITMBC(0x1e3e) EMITMBC(0x1e40) | |
4444 | 899 return OK; |
900 | |
8841
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901 case 'N': case N_virguilla: CASEMBC(0x143) CASEMBC(0x145) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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902 CASEMBC(0x147) CASEMBC(0x1e44) CASEMBC(0x1e48) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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903 EMIT2('N'); EMIT2(N_virguilla); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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904 EMITMBC(0x143) EMITMBC(0x145) |
5351 | 905 EMITMBC(0x147) EMITMBC(0x1e44) EMITMBC(0x1e48) |
4444 | 906 return OK; |
907 | |
8841
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908 case 'O': case O_grave: case O_acute: case O_circumflex: |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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909 case O_virguilla: case O_diaeresis: case O_slash: |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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910 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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911 CASEMBC(0x1a0) CASEMBC(0x1d1) CASEMBC(0x1ea) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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912 CASEMBC(0x1ec) CASEMBC(0x1ece) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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913 EMIT2('O'); EMIT2(O_grave); EMIT2(O_acute); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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914 EMIT2(O_circumflex); EMIT2(O_virguilla); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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915 EMIT2(O_diaeresis); EMIT2(O_slash); |
5351 | 916 EMITMBC(0x14c) EMITMBC(0x14e) EMITMBC(0x150) |
917 EMITMBC(0x1a0) EMITMBC(0x1d1) EMITMBC(0x1ea) | |
918 EMITMBC(0x1ec) EMITMBC(0x1ece) | |
919 return OK; | |
920 | |
921 case 'P': case 0x1e54: case 0x1e56: | |
922 EMIT2('P'); EMITMBC(0x1e54) EMITMBC(0x1e56) | |
923 return OK; | |
924 | |
925 case 'R': CASEMBC(0x154) CASEMBC(0x156) CASEMBC(0x158) | |
8841
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926 CASEMBC(0x1e58) CASEMBC(0x1e5e) |
5351 | 927 EMIT2('R'); EMITMBC(0x154) EMITMBC(0x156) EMITMBC(0x158) |
928 EMITMBC(0x1e58) EMITMBC(0x1e5e) | |
929 return OK; | |
930 | |
931 case 'S': CASEMBC(0x15a) CASEMBC(0x15c) CASEMBC(0x15e) | |
8841
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932 CASEMBC(0x160) CASEMBC(0x1e60) |
5351 | 933 EMIT2('S'); EMITMBC(0x15a) EMITMBC(0x15c) EMITMBC(0x15e) |
934 EMITMBC(0x160) EMITMBC(0x1e60) | |
935 return OK; | |
936 | |
937 case 'T': CASEMBC(0x162) CASEMBC(0x164) CASEMBC(0x166) | |
8841
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938 CASEMBC(0x1e6a) CASEMBC(0x1e6e) |
5351 | 939 EMIT2('T'); EMITMBC(0x162) EMITMBC(0x164) EMITMBC(0x166) |
940 EMITMBC(0x1e6a) EMITMBC(0x1e6e) | |
4444 | 941 return OK; |
942 | |
8841
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943 case 'U': case U_grave: case U_acute: case U_diaeresis: |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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944 case U_circumflex: CASEMBC(0x168) CASEMBC(0x16a) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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945 CASEMBC(0x16c) CASEMBC(0x16e) CASEMBC(0x170) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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946 CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3) |
f196308a2813
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947 CASEMBC(0x1ee6) |
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948 EMIT2('U'); EMIT2(U_grave); EMIT2(U_acute); |
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949 EMIT2(U_diaeresis); EMIT2(U_circumflex); |
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950 EMITMBC(0x168) EMITMBC(0x16a) |
5351 | 951 EMITMBC(0x16c) EMITMBC(0x16e) EMITMBC(0x170) |
952 EMITMBC(0x172) EMITMBC(0x1af) EMITMBC(0x1d3) | |
953 EMITMBC(0x1ee6) | |
954 return OK; | |
955 | |
956 case 'V': CASEMBC(0x1e7c) | |
957 EMIT2('V'); EMITMBC(0x1e7c) | |
958 return OK; | |
959 | |
960 case 'W': CASEMBC(0x174) CASEMBC(0x1e80) CASEMBC(0x1e82) | |
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961 CASEMBC(0x1e84) CASEMBC(0x1e86) |
5351 | 962 EMIT2('W'); EMITMBC(0x174) EMITMBC(0x1e80) EMITMBC(0x1e82) |
963 EMITMBC(0x1e84) EMITMBC(0x1e86) | |
964 return OK; | |
965 | |
966 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c) | |
967 EMIT2('X'); EMITMBC(0x1e8a) EMITMBC(0x1e8c) | |
4444 | 968 return OK; |
969 | |
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970 case 'Y': case Y_acute: CASEMBC(0x176) CASEMBC(0x178) |
f196308a2813
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971 CASEMBC(0x1e8e) CASEMBC(0x1ef2) CASEMBC(0x1ef6) |
f196308a2813
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972 CASEMBC(0x1ef8) |
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973 EMIT2('Y'); EMIT2(Y_acute); |
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974 EMITMBC(0x176) EMITMBC(0x178) |
5351 | 975 EMITMBC(0x1e8e) EMITMBC(0x1ef2) EMITMBC(0x1ef6) |
976 EMITMBC(0x1ef8) | |
977 return OK; | |
978 | |
979 case 'Z': CASEMBC(0x179) CASEMBC(0x17b) CASEMBC(0x17d) | |
8841
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980 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94) |
5351 | 981 EMIT2('Z'); EMITMBC(0x179) EMITMBC(0x17b) EMITMBC(0x17d) |
982 EMITMBC(0x1b5) EMITMBC(0x1e90) EMITMBC(0x1e94) | |
4444 | 983 return OK; |
984 | |
8841
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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985 case 'a': case a_grave: case a_acute: case a_circumflex: |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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986 case a_virguilla: case a_diaeresis: case a_ring: |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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987 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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988 CASEMBC(0x1ce) CASEMBC(0x1df) CASEMBC(0x1e1) |
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989 CASEMBC(0x1ea3) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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990 EMIT2('a'); EMIT2(a_grave); EMIT2(a_acute); |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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991 EMIT2(a_circumflex); EMIT2(a_virguilla); |
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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992 EMIT2(a_diaeresis); EMIT2(a_ring); |
5351 | 993 EMITMBC(0x101) EMITMBC(0x103) EMITMBC(0x105) |
994 EMITMBC(0x1ce) EMITMBC(0x1df) EMITMBC(0x1e1) | |
995 EMITMBC(0x1ea3) | |
996 return OK; | |
997 | |
998 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07) | |
999 EMIT2('b'); EMITMBC(0x1e03) EMITMBC(0x1e07) | |
4444 | 1000 return OK; |
1001 | |
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1002 case 'c': case c_cedilla: CASEMBC(0x107) CASEMBC(0x109) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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1003 CASEMBC(0x10b) CASEMBC(0x10d) |
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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1004 EMIT2('c'); EMIT2(c_cedilla); |
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1005 EMITMBC(0x107) EMITMBC(0x109) |
5351 | 1006 EMITMBC(0x10b) EMITMBC(0x10d) |
1007 return OK; | |
1008 | |
6914 | 1009 case 'd': CASEMBC(0x10f) CASEMBC(0x111) CASEMBC(0x1e0b) |
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1010 CASEMBC(0x1e0f) CASEMBC(0x1e11) |
6914 | 1011 EMIT2('d'); EMITMBC(0x10f) EMITMBC(0x111) |
1012 EMITMBC(0x1e0b) EMITMBC(0x1e0f) EMITMBC(0x1e11) | |
4444 | 1013 return OK; |
1014 | |
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1015 case 'e': case e_grave: case e_acute: case e_circumflex: |
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1016 case e_diaeresis: CASEMBC(0x113) CASEMBC(0x115) |
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1017 CASEMBC(0x117) CASEMBC(0x119) CASEMBC(0x11b) |
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1018 CASEMBC(0x1ebb) CASEMBC(0x1ebd) |
f196308a2813
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1019 EMIT2('e'); EMIT2(e_grave); EMIT2(e_acute); |
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1020 EMIT2(e_circumflex); EMIT2(e_diaeresis); |
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1021 EMITMBC(0x113) EMITMBC(0x115) |
5351 | 1022 EMITMBC(0x117) EMITMBC(0x119) EMITMBC(0x11b) |
1023 EMITMBC(0x1ebb) EMITMBC(0x1ebd) | |
1024 return OK; | |
1025 | |
1026 case 'f': CASEMBC(0x1e1f) | |
1027 EMIT2('f'); EMITMBC(0x1e1f) | |
1028 return OK; | |
1029 | |
1030 case 'g': CASEMBC(0x11d) CASEMBC(0x11f) CASEMBC(0x121) | |
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1031 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7) |
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1032 CASEMBC(0x1f5) CASEMBC(0x1e21) |
5351 | 1033 EMIT2('g'); EMITMBC(0x11d) EMITMBC(0x11f) EMITMBC(0x121) |
1034 EMITMBC(0x123) EMITMBC(0x1e5) EMITMBC(0x1e7) | |
1035 EMITMBC(0x1f5) EMITMBC(0x1e21) | |
1036 return OK; | |
1037 | |
1038 case 'h': CASEMBC(0x125) CASEMBC(0x127) CASEMBC(0x1e23) | |
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1039 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96) |
5351 | 1040 EMIT2('h'); EMITMBC(0x125) EMITMBC(0x127) EMITMBC(0x1e23) |
1041 EMITMBC(0x1e27) EMITMBC(0x1e29) EMITMBC(0x1e96) | |
4444 | 1042 return OK; |
1043 | |
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1044 case 'i': case i_grave: case i_acute: case i_circumflex: |
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1045 case i_diaeresis: CASEMBC(0x129) CASEMBC(0x12b) |
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1046 CASEMBC(0x12d) CASEMBC(0x12f) CASEMBC(0x1d0) |
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1047 CASEMBC(0x1ec9) |
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1048 EMIT2('i'); EMIT2(i_grave); EMIT2(i_acute); |
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1049 EMIT2(i_circumflex); EMIT2(i_diaeresis); |
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1050 EMITMBC(0x129) EMITMBC(0x12b) |
5351 | 1051 EMITMBC(0x12d) EMITMBC(0x12f) EMITMBC(0x1d0) |
1052 EMITMBC(0x1ec9) | |
1053 return OK; | |
1054 | |
1055 case 'j': CASEMBC(0x135) CASEMBC(0x1f0) | |
1056 EMIT2('j'); EMITMBC(0x135) EMITMBC(0x1f0) | |
1057 return OK; | |
1058 | |
1059 case 'k': CASEMBC(0x137) CASEMBC(0x1e9) CASEMBC(0x1e31) | |
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1060 CASEMBC(0x1e35) |
5351 | 1061 EMIT2('k'); EMITMBC(0x137) EMITMBC(0x1e9) EMITMBC(0x1e31) |
1062 EMITMBC(0x1e35) | |
1063 return OK; | |
1064 | |
1065 case 'l': CASEMBC(0x13a) CASEMBC(0x13c) CASEMBC(0x13e) | |
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1066 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b) |
5351 | 1067 EMIT2('l'); EMITMBC(0x13a) EMITMBC(0x13c) EMITMBC(0x13e) |
1068 EMITMBC(0x140) EMITMBC(0x142) EMITMBC(0x1e3b) | |
1069 return OK; | |
1070 | |
1071 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41) | |
1072 EMIT2('m'); EMITMBC(0x1e3f) EMITMBC(0x1e41) | |
4444 | 1073 return OK; |
1074 | |
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1075 case 'n': case n_virguilla: CASEMBC(0x144) CASEMBC(0x146) |
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1076 CASEMBC(0x148) CASEMBC(0x149) CASEMBC(0x1e45) |
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1077 CASEMBC(0x1e49) |
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1078 EMIT2('n'); EMIT2(n_virguilla); |
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1079 EMITMBC(0x144) EMITMBC(0x146) |
5351 | 1080 EMITMBC(0x148) EMITMBC(0x149) EMITMBC(0x1e45) |
1081 EMITMBC(0x1e49) | |
4444 | 1082 return OK; |
1083 | |
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1084 case 'o': case o_grave: case o_acute: case o_circumflex: |
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1085 case o_virguilla: case o_diaeresis: case o_slash: |
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1086 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151) |
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1087 CASEMBC(0x1a1) CASEMBC(0x1d2) CASEMBC(0x1eb) |
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1088 CASEMBC(0x1ed) CASEMBC(0x1ecf) |
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1089 EMIT2('o'); EMIT2(o_grave); EMIT2(o_acute); |
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1090 EMIT2(o_circumflex); EMIT2(o_virguilla); |
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1091 EMIT2(o_diaeresis); EMIT2(o_slash); |
5351 | 1092 EMITMBC(0x14d) EMITMBC(0x14f) EMITMBC(0x151) |
1093 EMITMBC(0x1a1) EMITMBC(0x1d2) EMITMBC(0x1eb) | |
1094 EMITMBC(0x1ed) EMITMBC(0x1ecf) | |
1095 return OK; | |
1096 | |
1097 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57) | |
1098 EMIT2('p'); EMITMBC(0x1e55) EMITMBC(0x1e57) | |
1099 return OK; | |
1100 | |
1101 case 'r': CASEMBC(0x155) CASEMBC(0x157) CASEMBC(0x159) | |
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1102 CASEMBC(0x1e59) CASEMBC(0x1e5f) |
5351 | 1103 EMIT2('r'); EMITMBC(0x155) EMITMBC(0x157) EMITMBC(0x159) |
1104 EMITMBC(0x1e59) EMITMBC(0x1e5f) | |
1105 return OK; | |
1106 | |
1107 case 's': CASEMBC(0x15b) CASEMBC(0x15d) CASEMBC(0x15f) | |
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1108 CASEMBC(0x161) CASEMBC(0x1e61) |
5351 | 1109 EMIT2('s'); EMITMBC(0x15b) EMITMBC(0x15d) EMITMBC(0x15f) |
1110 EMITMBC(0x161) EMITMBC(0x1e61) | |
1111 return OK; | |
1112 | |
1113 case 't': CASEMBC(0x163) CASEMBC(0x165) CASEMBC(0x167) | |
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1114 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97) |
5351 | 1115 EMIT2('t'); EMITMBC(0x163) EMITMBC(0x165) EMITMBC(0x167) |
1116 EMITMBC(0x1e6b) EMITMBC(0x1e6f) EMITMBC(0x1e97) | |
4444 | 1117 return OK; |
1118 | |
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1119 case 'u': case u_grave: case u_acute: case u_circumflex: |
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1120 case u_diaeresis: CASEMBC(0x169) CASEMBC(0x16b) |
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1121 CASEMBC(0x16d) CASEMBC(0x16f) CASEMBC(0x171) |
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1122 CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4) |
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1123 CASEMBC(0x1ee7) |
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1124 EMIT2('u'); EMIT2(u_grave); EMIT2(u_acute); |
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1125 EMIT2(u_circumflex); EMIT2(u_diaeresis); |
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1126 EMITMBC(0x169) EMITMBC(0x16b) |
5351 | 1127 EMITMBC(0x16d) EMITMBC(0x16f) EMITMBC(0x171) |
1128 EMITMBC(0x173) EMITMBC(0x1b0) EMITMBC(0x1d4) | |
1129 EMITMBC(0x1ee7) | |
1130 return OK; | |
1131 | |
1132 case 'v': CASEMBC(0x1e7d) | |
1133 EMIT2('v'); EMITMBC(0x1e7d) | |
1134 return OK; | |
1135 | |
1136 case 'w': CASEMBC(0x175) CASEMBC(0x1e81) CASEMBC(0x1e83) | |
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1137 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98) |
5351 | 1138 EMIT2('w'); EMITMBC(0x175) EMITMBC(0x1e81) EMITMBC(0x1e83) |
1139 EMITMBC(0x1e85) EMITMBC(0x1e87) EMITMBC(0x1e98) | |
1140 return OK; | |
1141 | |
1142 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d) | |
1143 EMIT2('x'); EMITMBC(0x1e8b) EMITMBC(0x1e8d) | |
4444 | 1144 return OK; |
1145 | |
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1146 case 'y': case y_acute: case y_diaeresis: CASEMBC(0x177) |
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1147 CASEMBC(0x1e8f) CASEMBC(0x1e99) CASEMBC(0x1ef3) |
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1148 CASEMBC(0x1ef7) CASEMBC(0x1ef9) |
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1149 EMIT2('y'); EMIT2(y_acute); EMIT2(y_diaeresis); |
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1150 EMITMBC(0x177) |
5351 | 1151 EMITMBC(0x1e8f) EMITMBC(0x1e99) EMITMBC(0x1ef3) |
1152 EMITMBC(0x1ef7) EMITMBC(0x1ef9) | |
4444 | 1153 return OK; |
1154 | |
5351 | 1155 case 'z': CASEMBC(0x17a) CASEMBC(0x17c) CASEMBC(0x17e) |
8841
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1156 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95) |
5351 | 1157 EMIT2('z'); EMITMBC(0x17a) EMITMBC(0x17c) EMITMBC(0x17e) |
1158 EMITMBC(0x1b6) EMITMBC(0x1e91) EMITMBC(0x1e95) | |
1159 return OK; | |
1160 | |
1161 /* default: character itself */ | |
4444 | 1162 } |
1163 } | |
1164 | |
5351 | 1165 EMIT2(c); |
4444 | 1166 return OK; |
1167 #undef EMIT2 | |
5351 | 1168 #undef EMITMBC |
4444 | 1169 } |
1170 | |
1171 /* | |
1172 * Code to parse regular expression. | |
1173 * | |
1174 * We try to reuse parsing functions in regexp.c to | |
1175 * minimize surprise and keep the syntax consistent. | |
1176 */ | |
1177 | |
1178 /* | |
1179 * Parse the lowest level. | |
1180 * | |
1181 * An atom can be one of a long list of items. Many atoms match one character | |
1182 * in the text. It is often an ordinary character or a character class. | |
1183 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
1184 * is only for syntax highlighting. | |
1185 * | |
1186 * atom ::= ordinary-atom | |
1187 * or \( pattern \) | |
1188 * or \%( pattern \) | |
1189 * or \z( pattern \) | |
1190 */ | |
1191 static int | |
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1192 nfa_regatom(void) |
4444 | 1193 { |
1194 int c; | |
1195 int charclass; | |
1196 int equiclass; | |
1197 int collclass; | |
1198 int got_coll_char; | |
1199 char_u *p; | |
1200 char_u *endp; | |
1201 char_u *old_regparse = regparse; | |
1202 int extra = 0; | |
1203 int emit_range; | |
1204 int negated; | |
1205 int result; | |
1206 int startc = -1; | |
1207 int endc = -1; | |
1208 int oldstartc = -1; | |
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1209 int save_prev_at_start = prev_at_start; |
4444 | 1210 |
1211 c = getchr(); | |
1212 switch (c) | |
1213 { | |
4543
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1214 case NUL: |
5511 | 1215 EMSG_RET_FAIL(_(e_nul_found)); |
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1216 |
4444 | 1217 case Magic('^'): |
1218 EMIT(NFA_BOL); | |
1219 break; | |
1220 | |
1221 case Magic('$'): | |
1222 EMIT(NFA_EOL); | |
1223 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
1224 had_eol = TRUE; | |
1225 #endif | |
1226 break; | |
1227 | |
1228 case Magic('<'): | |
1229 EMIT(NFA_BOW); | |
1230 break; | |
1231 | |
1232 case Magic('>'): | |
1233 EMIT(NFA_EOW); | |
1234 break; | |
1235 | |
1236 case Magic('_'): | |
1237 c = no_Magic(getchr()); | |
5511 | 1238 if (c == NUL) |
1239 EMSG_RET_FAIL(_(e_nul_found)); | |
1240 | |
4444 | 1241 if (c == '^') /* "\_^" is start-of-line */ |
1242 { | |
1243 EMIT(NFA_BOL); | |
1244 break; | |
1245 } | |
1246 if (c == '$') /* "\_$" is end-of-line */ | |
1247 { | |
1248 EMIT(NFA_EOL); | |
1249 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
1250 had_eol = TRUE; | |
1251 #endif | |
1252 break; | |
1253 } | |
1254 | |
5296 | 1255 extra = NFA_ADD_NL; |
4444 | 1256 |
1257 /* "\_[" is collection plus newline */ | |
1258 if (c == '[') | |
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1259 goto collection; |
4444 | 1260 |
1261 /* "\_x" is character class plus newline */ | |
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1262 /* FALLTHROUGH */ |
4444 | 1263 |
1264 /* | |
1265 * Character classes. | |
1266 */ | |
1267 case Magic('.'): | |
1268 case Magic('i'): | |
1269 case Magic('I'): | |
1270 case Magic('k'): | |
1271 case Magic('K'): | |
1272 case Magic('f'): | |
1273 case Magic('F'): | |
1274 case Magic('p'): | |
1275 case Magic('P'): | |
1276 case Magic('s'): | |
1277 case Magic('S'): | |
1278 case Magic('d'): | |
1279 case Magic('D'): | |
1280 case Magic('x'): | |
1281 case Magic('X'): | |
1282 case Magic('o'): | |
1283 case Magic('O'): | |
1284 case Magic('w'): | |
1285 case Magic('W'): | |
1286 case Magic('h'): | |
1287 case Magic('H'): | |
1288 case Magic('a'): | |
1289 case Magic('A'): | |
1290 case Magic('l'): | |
1291 case Magic('L'): | |
1292 case Magic('u'): | |
1293 case Magic('U'): | |
1294 p = vim_strchr(classchars, no_Magic(c)); | |
1295 if (p == NULL) | |
1296 { | |
5511 | 1297 if (extra == NFA_ADD_NL) |
1298 { | |
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1299 semsg(_(e_ill_char_class), c); |
5511 | 1300 rc_did_emsg = TRUE; |
1301 return FAIL; | |
1302 } | |
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1303 siemsg("INTERNAL: Unknown character class char: %d", c); |
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1304 return FAIL; |
4444 | 1305 } |
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1306 |
4444 | 1307 /* When '.' is followed by a composing char ignore the dot, so that |
1308 * the composing char is matched here. */ | |
1309 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) | |
1310 { | |
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1311 old_regparse = regparse; |
4444 | 1312 c = getchr(); |
1313 goto nfa_do_multibyte; | |
1314 } | |
1315 EMIT(nfa_classcodes[p - classchars]); | |
5296 | 1316 if (extra == NFA_ADD_NL) |
4444 | 1317 { |
1318 EMIT(NFA_NEWL); | |
1319 EMIT(NFA_OR); | |
1320 regflags |= RF_HASNL; | |
1321 } | |
1322 break; | |
1323 | |
1324 case Magic('n'): | |
1325 if (reg_string) | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1326 /* In a string "\n" matches a newline character. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1327 EMIT(NL); |
4444 | 1328 else |
1329 { | |
1330 /* In buffer text "\n" matches the end of a line. */ | |
1331 EMIT(NFA_NEWL); | |
1332 regflags |= RF_HASNL; | |
1333 } | |
1334 break; | |
1335 | |
1336 case Magic('('): | |
1337 if (nfa_reg(REG_PAREN) == FAIL) | |
1338 return FAIL; /* cascaded error */ | |
1339 break; | |
1340 | |
1341 case Magic('|'): | |
1342 case Magic('&'): | |
1343 case Magic(')'): | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1344 semsg(_(e_misplaced), no_Magic(c)); |
4444 | 1345 return FAIL; |
1346 | |
1347 case Magic('='): | |
1348 case Magic('?'): | |
1349 case Magic('+'): | |
1350 case Magic('@'): | |
1351 case Magic('*'): | |
1352 case Magic('{'): | |
1353 /* these should follow an atom, not form an atom */ | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1354 semsg(_(e_misplaced), no_Magic(c)); |
4444 | 1355 return FAIL; |
1356 | |
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1357 case Magic('~'): |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1358 { |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1359 char_u *lp; |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1360 |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1361 /* Previous substitute pattern. |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1362 * Generated as "\%(pattern\)". */ |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1363 if (reg_prev_sub == NULL) |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1364 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1365 emsg(_(e_nopresub)); |
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1366 return FAIL; |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1367 } |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1368 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
|
1369 { |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1370 EMIT(PTR2CHAR(lp)); |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1371 if (lp != reg_prev_sub) |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1372 EMIT(NFA_CONCAT); |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1373 } |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1374 EMIT(NFA_NOPEN); |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1375 break; |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1376 } |
4444 | 1377 |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1378 case Magic('1'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1379 case Magic('2'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1380 case Magic('3'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1381 case Magic('4'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1382 case Magic('5'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1383 case Magic('6'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1384 case Magic('7'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1385 case Magic('8'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1386 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
|
1387 { |
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1388 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
|
1389 |
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1390 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
|
1391 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
|
1392 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
|
1393 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
|
1394 } |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1395 break; |
4444 | 1396 |
1397 case Magic('z'): | |
1398 c = no_Magic(getchr()); | |
1399 switch (c) | |
1400 { | |
1401 case 's': | |
1402 EMIT(NFA_ZSTART); | |
6170 | 1403 if (re_mult_next("\\zs") == FAIL) |
1404 return FAIL; | |
4444 | 1405 break; |
1406 case 'e': | |
1407 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
|
1408 rex.nfa_has_zend = TRUE; |
6170 | 1409 if (re_mult_next("\\ze") == FAIL) |
1410 return FAIL; | |
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
1411 break; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1412 #ifdef FEAT_SYN_HL |
4444 | 1413 case '1': |
1414 case '2': | |
1415 case '3': | |
1416 case '4': | |
1417 case '5': | |
1418 case '6': | |
1419 case '7': | |
1420 case '8': | |
1421 case '9': | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1422 /* \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
|
1423 if ((reg_do_extmatch & REX_USE) == 0) |
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1424 EMSG_RET_FAIL(_(e_z1_not_allowed)); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1425 EMIT(NFA_ZREF1 + (no_Magic(c) - '1')); |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
1426 /* No need to set rex.nfa_has_backref, the sub-matches don't |
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
1427 * change when \z1 .. \z9 matches or not. */ |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1428 re_has_z = REX_USE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1429 break; |
4444 | 1430 case '(': |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1431 /* \z( */ |
14161
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
14159
diff
changeset
|
1432 if ((reg_do_extmatch & REX_SET) == 0) |
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1433 EMSG_RET_FAIL(_(e_z_not_allowed)); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1434 if (nfa_reg(REG_ZPAREN) == FAIL) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1435 return FAIL; /* cascaded error */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1436 re_has_z = REX_SET; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1437 break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1438 #endif |
4444 | 1439 default: |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1440 semsg(_("E867: (NFA) Unknown operator '\\z%c'"), |
4444 | 1441 no_Magic(c)); |
1442 return FAIL; | |
1443 } | |
1444 break; | |
1445 | |
1446 case Magic('%'): | |
1447 c = no_Magic(getchr()); | |
1448 switch (c) | |
1449 { | |
1450 /* () without a back reference */ | |
1451 case '(': | |
1452 if (nfa_reg(REG_NPAREN) == FAIL) | |
1453 return FAIL; | |
1454 EMIT(NFA_NOPEN); | |
1455 break; | |
1456 | |
1457 case 'd': /* %d123 decimal */ | |
1458 case 'o': /* %o123 octal */ | |
1459 case 'x': /* %xab hex 2 */ | |
1460 case 'u': /* %uabcd hex 4 */ | |
1461 case 'U': /* %U1234abcd hex 8 */ | |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1462 { |
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
1463 long nr; |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1464 |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1465 switch (c) |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1466 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1467 case 'd': nr = getdecchrs(); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1468 case 'o': nr = getoctchrs(); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1469 case 'x': nr = gethexchrs(2); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1470 case 'u': nr = gethexchrs(4); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1471 case 'U': nr = gethexchrs(8); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1472 default: nr = -1; break; |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1473 } |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1474 |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1475 if (nr < 0) |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1476 EMSG2_RET_FAIL( |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1477 _("E678: Invalid character after %s%%[dxouU]"), |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1478 reg_magic == MAGIC_ALL); |
5360 | 1479 /* A NUL is stored in the text as NL */ |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1480 /* TODO: what if a composing character follows? */ |
5360 | 1481 EMIT(nr == 0 ? 0x0a : nr); |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1482 } |
4444 | 1483 break; |
1484 | |
1485 /* Catch \%^ and \%$ regardless of where they appear in the | |
1486 * pattern -- regardless of whether or not it makes sense. */ | |
1487 case '^': | |
1488 EMIT(NFA_BOF); | |
1489 break; | |
1490 | |
1491 case '$': | |
1492 EMIT(NFA_EOF); | |
1493 break; | |
1494 | |
1495 case '#': | |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1496 EMIT(NFA_CURSOR); |
4444 | 1497 break; |
1498 | |
1499 case 'V': | |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
1500 EMIT(NFA_VISUAL); |
4444 | 1501 break; |
1502 | |
5901 | 1503 case 'C': |
1504 EMIT(NFA_ANY_COMPOSING); | |
1505 break; | |
1506 | |
4444 | 1507 case '[': |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1508 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1509 int n; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1510 |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1511 /* \%[abc] */ |
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1512 for (n = 0; (c = peekchr()) != ']'; ++n) |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1513 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1514 if (c == NUL) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1515 EMSG2_RET_FAIL(_(e_missing_sb), |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1516 reg_magic == MAGIC_ALL); |
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1517 /* recursive call! */ |
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1518 if (nfa_regatom() == FAIL) |
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1519 return FAIL; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1520 } |
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1521 getchr(); /* get the ] */ |
4760
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1522 if (n == 0) |
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1523 EMSG2_RET_FAIL(_(e_empty_sb), |
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1524 reg_magic == MAGIC_ALL); |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1525 EMIT(NFA_OPT_CHARS); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1526 EMIT(n); |
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1527 |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1528 /* Emit as "\%(\%[abc]\)" to be able to handle |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1529 * "\%[abc]*" which would cause the empty string to be |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1530 * matched an unlimited number of times. NFA_NOPEN is |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1531 * added only once at a position, while NFA_SPLIT is |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1532 * added multiple times. This is more efficient than |
6547 | 1533 * not allowing NFA_SPLIT multiple times, it is used |
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1534 * a lot. */ |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1535 EMIT(NFA_NOPEN); |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1536 break; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1537 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1538 |
4444 | 1539 default: |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1540 { |
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1541 long n = 0; |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1542 int cmp = c; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1543 |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1544 if (c == '<' || c == '>') |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1545 c = getchr(); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1546 while (VIM_ISDIGIT(c)) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1547 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1548 n = n * 10 + (c - '0'); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1549 c = getchr(); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1550 } |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1551 if (c == 'l' || c == 'c' || c == 'v') |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1552 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1553 if (c == 'l') |
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1554 { |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1555 /* \%{n}l \%{n}<l \%{n}>l */ |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1556 EMIT(cmp == '<' ? NFA_LNUM_LT : |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1557 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
|
1558 if (save_prev_at_start) |
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1559 at_start = TRUE; |
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1560 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1561 else if (c == 'c') |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1562 /* \%{n}c \%{n}<c \%{n}>c */ |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1563 EMIT(cmp == '<' ? NFA_COL_LT : |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1564 cmp == '>' ? NFA_COL_GT : NFA_COL); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1565 else |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1566 /* \%{n}v \%{n}<v \%{n}>v */ |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1567 EMIT(cmp == '<' ? NFA_VCOL_LT : |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1568 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); |
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1569 #if VIM_SIZEOF_INT < VIM_SIZEOF_LONG |
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1570 if (n > INT_MAX) |
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1571 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1572 emsg(_("E951: \\% value too large")); |
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1573 return FAIL; |
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1574 } |
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1575 #endif |
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1576 EMIT((int)n); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1577 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1578 } |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1579 else if (c == '\'' && n == 0) |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1580 { |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1581 /* \%'m \%<'m \%>'m */ |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1582 EMIT(cmp == '<' ? NFA_MARK_LT : |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1583 cmp == '>' ? NFA_MARK_GT : NFA_MARK); |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1584 EMIT(getchr()); |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1585 break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1586 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1587 } |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1588 semsg(_("E867: (NFA) Unknown operator '\\%%%c'"), |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1589 no_Magic(c)); |
4444 | 1590 return FAIL; |
1591 } | |
1592 break; | |
1593 | |
1594 case Magic('['): | |
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents:
4515
diff
changeset
|
1595 collection: |
4444 | 1596 /* |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1597 * [abc] uses NFA_START_COLL - NFA_END_COLL |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1598 * [^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
|
1599 * 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
|
1600 * NFA_CONCAT to bind them together. |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1601 * Besides normal characters there can be: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1602 * - character classes NFA_CLASS_* |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1603 * - ranges, two characters followed by NFA_RANGE. |
4444 | 1604 */ |
1605 | |
1606 p = regparse; | |
1607 endp = skip_anyof(p); | |
1608 if (*endp == ']') | |
1609 { | |
1610 /* | |
1611 * Try to reverse engineer character classes. For example, | |
5296 | 1612 * recognize that [0-9] stands for \d and [A-Za-z_] for \h, |
4444 | 1613 * and perform the necessary substitutions in the NFA. |
1614 */ | |
1615 result = nfa_recognize_char_class(regparse, endp, | |
5296 | 1616 extra == NFA_ADD_NL); |
4444 | 1617 if (result != FAIL) |
1618 { | |
5296 | 1619 if (result >= NFA_FIRST_NL && result <= NFA_LAST_NL) |
4444 | 1620 { |
5296 | 1621 EMIT(result - NFA_ADD_NL); |
4444 | 1622 EMIT(NFA_NEWL); |
1623 EMIT(NFA_OR); | |
1624 } | |
5296 | 1625 else |
1626 EMIT(result); | |
4444 | 1627 regparse = endp; |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1628 MB_PTR_ADV(regparse); |
4444 | 1629 return OK; |
1630 } | |
1631 /* | |
1632 * Failed to recognize a character class. Use the simple | |
1633 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
1634 */ | |
1635 startc = endc = oldstartc = -1; | |
1636 negated = FALSE; | |
1637 if (*regparse == '^') /* negated range */ | |
1638 { | |
1639 negated = TRUE; | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1640 MB_PTR_ADV(regparse); |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1641 EMIT(NFA_START_NEG_COLL); |
4444 | 1642 } |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1643 else |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1644 EMIT(NFA_START_COLL); |
4444 | 1645 if (*regparse == '-') |
1646 { | |
1647 startc = '-'; | |
1648 EMIT(startc); | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1649 EMIT(NFA_CONCAT); |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1650 MB_PTR_ADV(regparse); |
4444 | 1651 } |
1652 /* Emit the OR branches for each character in the [] */ | |
1653 emit_range = FALSE; | |
1654 while (regparse < endp) | |
1655 { | |
1656 oldstartc = startc; | |
1657 startc = -1; | |
1658 got_coll_char = FALSE; | |
1659 if (*regparse == '[') | |
1660 { | |
1661 /* Check for [: :], [= =], [. .] */ | |
1662 equiclass = collclass = 0; | |
1663 charclass = get_char_class(®parse); | |
1664 if (charclass == CLASS_NONE) | |
1665 { | |
1666 equiclass = get_equi_class(®parse); | |
1667 if (equiclass == 0) | |
1668 collclass = get_coll_element(®parse); | |
1669 } | |
1670 | |
1671 /* Character class like [:alpha:] */ | |
1672 if (charclass != CLASS_NONE) | |
1673 { | |
1674 switch (charclass) | |
1675 { | |
1676 case CLASS_ALNUM: | |
1677 EMIT(NFA_CLASS_ALNUM); | |
1678 break; | |
1679 case CLASS_ALPHA: | |
1680 EMIT(NFA_CLASS_ALPHA); | |
1681 break; | |
1682 case CLASS_BLANK: | |
1683 EMIT(NFA_CLASS_BLANK); | |
1684 break; | |
1685 case CLASS_CNTRL: | |
1686 EMIT(NFA_CLASS_CNTRL); | |
1687 break; | |
1688 case CLASS_DIGIT: | |
1689 EMIT(NFA_CLASS_DIGIT); | |
1690 break; | |
1691 case CLASS_GRAPH: | |
1692 EMIT(NFA_CLASS_GRAPH); | |
1693 break; | |
1694 case CLASS_LOWER: | |
1695 EMIT(NFA_CLASS_LOWER); | |
1696 break; | |
1697 case CLASS_PRINT: | |
1698 EMIT(NFA_CLASS_PRINT); | |
1699 break; | |
1700 case CLASS_PUNCT: | |
1701 EMIT(NFA_CLASS_PUNCT); | |
1702 break; | |
1703 case CLASS_SPACE: | |
1704 EMIT(NFA_CLASS_SPACE); | |
1705 break; | |
1706 case CLASS_UPPER: | |
1707 EMIT(NFA_CLASS_UPPER); | |
1708 break; | |
1709 case CLASS_XDIGIT: | |
1710 EMIT(NFA_CLASS_XDIGIT); | |
1711 break; | |
1712 case CLASS_TAB: | |
1713 EMIT(NFA_CLASS_TAB); | |
1714 break; | |
1715 case CLASS_RETURN: | |
1716 EMIT(NFA_CLASS_RETURN); | |
1717 break; | |
1718 case CLASS_BACKSPACE: | |
1719 EMIT(NFA_CLASS_BACKSPACE); | |
1720 break; | |
1721 case CLASS_ESCAPE: | |
1722 EMIT(NFA_CLASS_ESCAPE); | |
1723 break; | |
15709
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1724 case CLASS_IDENT: |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1725 EMIT(NFA_CLASS_IDENT); |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1726 break; |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1727 case CLASS_KEYWORD: |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1728 EMIT(NFA_CLASS_KEYWORD); |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1729 break; |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1730 case CLASS_FNAME: |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1731 EMIT(NFA_CLASS_FNAME); |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1732 break; |
4444 | 1733 } |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1734 EMIT(NFA_CONCAT); |
4444 | 1735 continue; |
1736 } | |
1737 /* Try equivalence class [=a=] and the like */ | |
1738 if (equiclass != 0) | |
1739 { | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1740 result = nfa_emit_equi_class(equiclass); |
4444 | 1741 if (result == FAIL) |
1742 { | |
1743 /* should never happen */ | |
1744 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); | |
1745 } | |
1746 continue; | |
1747 } | |
1748 /* Try collating class like [. .] */ | |
1749 if (collclass != 0) | |
1750 { | |
1751 startc = collclass; /* allow [.a.]-x as a range */ | |
1752 /* Will emit the proper atom at the end of the | |
1753 * while loop. */ | |
1754 } | |
1755 } | |
4677
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updated for version 7.3.1086
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4675
diff
changeset
|
1756 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a |
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
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4675
diff
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|
1757 * start character. */ |
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updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1758 if (*regparse == '-' && oldstartc != -1) |
4444 | 1759 { |
1760 emit_range = TRUE; | |
1761 startc = oldstartc; | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1762 MB_PTR_ADV(regparse); |
4444 | 1763 continue; /* reading the end of the range */ |
1764 } | |
1765 | |
1766 /* Now handle simple and escaped characters. | |
1767 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
1768 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
1769 * 'cpoptions' is not included. | |
1770 * Posix doesn't recognize backslash at all. | |
1771 */ | |
1772 if (*regparse == '\\' | |
4744
a62695305e03
updated for version 7.3.1119
Bram Moolenaar <bram@vim.org>
parents:
4742
diff
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|
1773 && !reg_cpo_bsl |
4444 | 1774 && regparse + 1 <= endp |
1775 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
4744
a62695305e03
updated for version 7.3.1119
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4742
diff
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|
1776 || (!reg_cpo_lit |
4444 | 1777 && vim_strchr(REGEXP_ABBR, regparse[1]) |
1778 != NULL) | |
1779 ) | |
1780 ) | |
1781 { | |
11127
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patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1782 MB_PTR_ADV(regparse); |
4444 | 1783 |
4507
9dbbddb2ed10
updated for version 7.3.1001
Bram Moolenaar <bram@vim.org>
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4503
diff
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|
1784 if (*regparse == 'n') |
4444 | 1785 startc = reg_string ? NL : NFA_NEWL; |
1786 else | |
1787 if (*regparse == 'd' | |
1788 || *regparse == 'o' | |
1789 || *regparse == 'x' | |
1790 || *regparse == 'u' | |
1791 || *regparse == 'U' | |
1792 ) | |
1793 { | |
1794 /* TODO(RE) This needs more testing */ | |
1795 startc = coll_get_char(); | |
1796 got_coll_char = TRUE; | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
1797 MB_PTR_BACK(old_regparse, regparse); |
4444 | 1798 } |
1799 else | |
1800 { | |
1801 /* \r,\t,\e,\b */ | |
1802 startc = backslash_trans(*regparse); | |
1803 } | |
1804 } | |
1805 | |
1806 /* Normal printable char */ | |
1807 if (startc == -1) | |
4677
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updated for version 7.3.1086
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4675
diff
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|
1808 startc = PTR2CHAR(regparse); |
4444 | 1809 |
1810 /* Previous char was '-', so this char is end of range. */ | |
1811 if (emit_range) | |
1812 { | |
4677
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|
1813 endc = startc; |
c1622ff9ed8d
updated for version 7.3.1086
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4675
diff
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|
1814 startc = oldstartc; |
4444 | 1815 if (startc > endc) |
11480
99ce30ac4226
patch 8.0.0623: error for invalid regexp is not very informative
Christian Brabandt <cb@256bit.org>
parents:
11469
diff
changeset
|
1816 EMSG_RET_FAIL(_(e_reverse_range)); |
4781
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1817 |
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|
1818 if (endc > startc + 2) |
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|
1819 { |
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updated for version 7.3.1137
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diff
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|
1820 /* Emit a range instead of the sequence of |
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diff
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|
1821 * individual characters. */ |
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updated for version 7.3.1137
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diff
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|
1822 if (startc == 0) |
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updated for version 7.3.1137
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diff
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|
1823 /* \x00 is translated to \x0a, start at \x01. */ |
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updated for version 7.3.1137
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|
1824 EMIT(1); |
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updated for version 7.3.1137
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diff
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|
1825 else |
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updated for version 7.3.1137
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diff
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|
1826 --post_ptr; /* remove NFA_CONCAT */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1827 EMIT(endc); |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1828 EMIT(NFA_RANGE); |
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updated for version 7.3.1137
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4772
diff
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|
1829 EMIT(NFA_CONCAT); |
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updated for version 7.3.1137
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diff
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|
1830 } |
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
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15490
diff
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|
1831 else if (has_mbyte && ((*mb_char2len)(startc) > 1 |
4444 | 1832 || (*mb_char2len)(endc) > 1)) |
1833 { | |
4781
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|
1834 /* Emit the characters in the range. |
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|
1835 * "startc" was already emitted, so skip it. |
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updated for version 7.3.1137
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diff
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|
1836 * */ |
4444 | 1837 for (c = startc + 1; c <= endc; c++) |
1838 { | |
4527
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updated for version 7.3.1011
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4525
diff
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|
1839 EMIT(c); |
4781
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updated for version 7.3.1137
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diff
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|
1840 EMIT(NFA_CONCAT); |
4444 | 1841 } |
1842 } | |
1843 else | |
1844 { | |
1845 #ifdef EBCDIC | |
1846 int alpha_only = FALSE; | |
1847 | |
1848 /* for alphabetical range skip the gaps | |
1849 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
1850 if (isalpha(startc) && isalpha(endc)) | |
1851 alpha_only = TRUE; | |
1852 #endif | |
1853 /* Emit the range. "startc" was already emitted, so | |
1854 * skip it. */ | |
1855 for (c = startc + 1; c <= endc; c++) | |
1856 #ifdef EBCDIC | |
1857 if (!alpha_only || isalpha(startc)) | |
1858 #endif | |
1859 { | |
1860 EMIT(c); | |
4781
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|
1861 EMIT(NFA_CONCAT); |
4444 | 1862 } |
1863 } | |
4677
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|
1864 emit_range = FALSE; |
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updated for version 7.3.1086
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|
1865 startc = -1; |
4444 | 1866 } |
1867 else | |
1868 { | |
4781
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updated for version 7.3.1137
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diff
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|
1869 /* This char (startc) is not part of a range. Just |
4444 | 1870 * emit it. |
1871 * Normally, simply emit startc. But if we get char | |
1872 * code=0 from a collating char, then replace it with | |
1873 * 0x0a. | |
1874 * This is needed to completely mimic the behaviour of | |
4781
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updated for version 7.3.1137
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|
1875 * the backtracking engine. */ |
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updated for version 7.3.1137
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|
1876 if (startc == NFA_NEWL) |
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|
1877 { |
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updated for version 7.3.1137
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|
1878 /* Line break can't be matched as part of the |
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updated for version 7.3.1137
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diff
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|
1879 * collection, add an OR below. But not for negated |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1880 * range. */ |
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updated for version 7.3.1137
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diff
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|
1881 if (!negated) |
5296 | 1882 extra = NFA_ADD_NL; |
4781
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1883 } |
4444 | 1884 else |
4781
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diff
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|
1885 { |
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diff
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|
1886 if (got_coll_char == TRUE && startc == 0) |
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updated for version 7.3.1137
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diff
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|
1887 EMIT(0x0a); |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1888 else |
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updated for version 7.3.1137
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|
1889 EMIT(startc); |
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updated for version 7.3.1137
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diff
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|
1890 EMIT(NFA_CONCAT); |
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updated for version 7.3.1137
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diff
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|
1891 } |
4444 | 1892 } |
1893 | |
11127
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patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
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diff
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|
1894 MB_PTR_ADV(regparse); |
4444 | 1895 } /* while (p < endp) */ |
1896 | |
11127
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patch 8.0.0451: some macros are in lower case
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diff
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|
1897 MB_PTR_BACK(old_regparse, regparse); |
4444 | 1898 if (*regparse == '-') /* if last, '-' is just a char */ |
1899 { | |
1900 EMIT('-'); | |
4781
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updated for version 7.3.1137
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diff
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|
1901 EMIT(NFA_CONCAT); |
4444 | 1902 } |
1903 | |
1904 /* skip the trailing ] */ | |
1905 regparse = endp; | |
11127
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patch 8.0.0451: some macros are in lower case
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diff
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|
1906 MB_PTR_ADV(regparse); |
4781
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1907 |
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updated for version 7.3.1137
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diff
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|
1908 /* Mark end of the collection. */ |
4444 | 1909 if (negated == TRUE) |
4781
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1910 EMIT(NFA_END_NEG_COLL); |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1911 else |
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updated for version 7.3.1137
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diff
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|
1912 EMIT(NFA_END_COLL); |
4615
5679b8ddd8cc
updated for version 7.3.1055
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diff
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|
1913 |
5679b8ddd8cc
updated for version 7.3.1055
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diff
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|
1914 /* \_[] also matches \n but it's not negated */ |
5296 | 1915 if (extra == NFA_ADD_NL) |
4615
5679b8ddd8cc
updated for version 7.3.1055
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diff
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|
1916 { |
5679b8ddd8cc
updated for version 7.3.1055
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diff
changeset
|
1917 EMIT(reg_string ? NL : NFA_NEWL); |
5679b8ddd8cc
updated for version 7.3.1055
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|
1918 EMIT(NFA_OR); |
5679b8ddd8cc
updated for version 7.3.1055
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diff
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|
1919 } |
5679b8ddd8cc
updated for version 7.3.1055
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diff
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|
1920 |
4444 | 1921 return OK; |
4529
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
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|
1922 } /* if exists closing ] */ |
432a6b8c7d93
updated for version 7.3.1012
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diff
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|
1923 |
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
changeset
|
1924 if (reg_strict) |
4444 | 1925 EMSG_RET_FAIL(_(e_missingbracket)); |
4529
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
changeset
|
1926 /* FALLTHROUGH */ |
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
changeset
|
1927 |
4444 | 1928 default: |
1929 { | |
1930 int plen; | |
1931 | |
1932 nfa_do_multibyte: | |
4543
08ac46980953
updated for version 7.3.1019
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4541
diff
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|
1933 /* plen is length of current char with composing chars */ |
08ac46980953
updated for version 7.3.1019
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diff
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|
1934 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>
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11267
diff
changeset
|
1935 != (plen = utfc_ptr2len(old_regparse)) |
4543
08ac46980953
updated for version 7.3.1019
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4541
diff
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|
1936 || utf_iscomposing(c))) |
4444 | 1937 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
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4547
diff
changeset
|
1938 int i = 0; |
849180347ac3
updated for version 7.3.1022
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4547
diff
changeset
|
1939 |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
1940 /* A base character plus composing characters, or just one |
45f97c349537
updated for version 7.3.1015
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4533
diff
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|
1941 * or more composing characters. |
4527
55bcaa1d2749
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diff
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|
1942 * This requires creating a separate atom as if enclosing |
55bcaa1d2749
updated for version 7.3.1011
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|
1943 * the characters in (), where NFA_COMPOSING is the ( and |
55bcaa1d2749
updated for version 7.3.1011
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diff
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|
1944 * NFA_END_COMPOSING is the ). Note that right now we are |
4444 | 1945 * building the postfix form, not the NFA itself; |
1946 * a composing char could be: a, b, c, NFA_COMPOSING | |
4527
55bcaa1d2749
updated for version 7.3.1011
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diff
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|
1947 * where 'b' and 'c' are chars with codes > 256. */ |
55bcaa1d2749
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diff
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|
1948 for (;;) |
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1949 { |
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1950 EMIT(c); |
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1951 if (i > 0) |
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1952 EMIT(NFA_CONCAT); |
4529
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
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|
1953 if ((i += utf_char2len(c)) >= plen) |
4527
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1954 break; |
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1955 c = utf_ptr2char(old_regparse + i); |
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1956 } |
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1957 EMIT(NFA_COMPOSING); |
4444 | 1958 regparse = old_regparse + plen; |
1959 } | |
1960 else | |
1961 { | |
1962 c = no_Magic(c); | |
1963 EMIT(c); | |
1964 } | |
1965 return OK; | |
1966 } | |
1967 } | |
1968 | |
1969 return OK; | |
1970 } | |
1971 | |
1972 /* | |
1973 * Parse something followed by possible [*+=]. | |
1974 * | |
1975 * A piece is an atom, possibly followed by a multi, an indication of how many | |
1976 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
1977 * characters: "", "a", "aa", etc. | |
1978 * | |
1979 * piece ::= atom | |
1980 * or atom multi | |
1981 */ | |
1982 static int | |
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1983 nfa_regpiece(void) |
4444 | 1984 { |
1985 int i; | |
1986 int op; | |
1987 int ret; | |
1988 long minval, maxval; | |
1989 int greedy = TRUE; /* Braces are prefixed with '-' ? */ | |
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1990 parse_state_T old_state; |
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1991 parse_state_T new_state; |
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1992 long c2; |
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1993 int old_post_pos; |
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1994 int my_post_start; |
4444 | 1995 int quest; |
1996 | |
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1997 /* Save the current parse state, so that we can use it if <atom>{m,n} is |
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1998 * next. */ |
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1999 save_parse_state(&old_state); |
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2000 |
4444 | 2001 /* store current pos in the postfix form, for \{m,n} involving 0s */ |
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2002 my_post_start = (int)(post_ptr - post_start); |
4444 | 2003 |
2004 ret = nfa_regatom(); | |
2005 if (ret == FAIL) | |
2006 return FAIL; /* cascaded error */ | |
2007 | |
2008 op = peekchr(); | |
2009 if (re_multi_type(op) == NOT_MULTI) | |
2010 return OK; | |
2011 | |
2012 skipchr(); | |
2013 switch (op) | |
2014 { | |
2015 case Magic('*'): | |
2016 EMIT(NFA_STAR); | |
2017 break; | |
2018 | |
2019 case Magic('+'): | |
2020 /* | |
2021 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
2022 * first and only submatch would be "aaa". But the backtracking | |
2023 * engine interprets the plus as "try matching one more time", and | |
2024 * a* matches a second time at the end of the input, the empty | |
2025 * string. | |
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2026 * The submatch will be the empty string. |
4444 | 2027 * |
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2028 * In order to be consistent with the old engine, we replace |
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2029 * <atom>+ with <atom><atom>* |
4444 | 2030 */ |
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2031 restore_parse_state(&old_state); |
4444 | 2032 curchr = -1; |
2033 if (nfa_regatom() == FAIL) | |
2034 return FAIL; | |
2035 EMIT(NFA_STAR); | |
2036 EMIT(NFA_CONCAT); | |
2037 skipchr(); /* skip the \+ */ | |
2038 break; | |
2039 | |
2040 case Magic('@'): | |
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2041 c2 = getdecchrs(); |
4444 | 2042 op = no_Magic(getchr()); |
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2043 i = 0; |
4444 | 2044 switch(op) |
2045 { | |
2046 case '=': | |
4682
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2047 /* \@= */ |
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2048 i = NFA_PREV_ATOM_NO_WIDTH; |
4444 | 2049 break; |
4661
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2050 case '!': |
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2051 /* \@! */ |
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2052 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
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2053 break; |
4444 | 2054 case '<': |
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2055 op = no_Magic(getchr()); |
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2056 if (op == '=') |
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2057 /* \@<= */ |
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2058 i = NFA_PREV_ATOM_JUST_BEFORE; |
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2059 else if (op == '!') |
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2060 /* \@<! */ |
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2061 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
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2062 break; |
4444 | 2063 case '>': |
4750
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2064 /* \@> */ |
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2065 i = NFA_PREV_ATOM_LIKE_PATTERN; |
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2066 break; |
4444 | 2067 } |
4682
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2068 if (i == 0) |
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2069 { |
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2070 semsg(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
4682
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2071 return FAIL; |
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2072 } |
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2073 EMIT(i); |
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2074 if (i == NFA_PREV_ATOM_JUST_BEFORE |
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2075 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
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2076 EMIT(c2); |
4444 | 2077 break; |
2078 | |
2079 case Magic('?'): | |
2080 case Magic('='): | |
2081 EMIT(NFA_QUEST); | |
2082 break; | |
2083 | |
2084 case Magic('{'): | |
2085 /* a{2,5} will expand to 'aaa?a?a?' | |
2086 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy | |
2087 * version of '?' | |
2088 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the | |
2089 * parenthesis have the same id | |
2090 */ | |
2091 | |
2092 greedy = TRUE; | |
2093 c2 = peekchr(); | |
2094 if (c2 == '-' || c2 == Magic('-')) | |
2095 { | |
2096 skipchr(); | |
2097 greedy = FALSE; | |
2098 } | |
2099 if (!read_limits(&minval, &maxval)) | |
2100 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
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2101 |
4444 | 2102 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to |
2103 * <atom>* */ | |
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2104 if (minval == 0 && maxval == MAX_LIMIT) |
4444 | 2105 { |
6533 | 2106 if (greedy) /* { { (match the braces) */ |
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2107 /* \{}, \{0,} */ |
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2108 EMIT(NFA_STAR); |
6533 | 2109 else /* { { (match the braces) */ |
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2110 /* \{-}, \{-0,} */ |
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2111 EMIT(NFA_STAR_NONGREEDY); |
4444 | 2112 break; |
2113 } | |
2114 | |
2115 /* Special case: x{0} or x{-0} */ | |
2116 if (maxval == 0) | |
2117 { | |
2118 /* Ignore result of previous call to nfa_regatom() */ | |
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2119 post_ptr = post_start + my_post_start; |
5370 | 2120 /* NFA_EMPTY is 0-length and works everywhere */ |
2121 EMIT(NFA_EMPTY); | |
4444 | 2122 return OK; |
2123 } | |
2124 | |
6533 | 2125 /* The engine is very inefficient (uses too many states) when the |
6594 | 2126 * maximum is much larger than the minimum and when the maximum is |
2127 * large. Bail out if we can use the other engine. */ | |
2128 if ((nfa_re_flags & RE_AUTO) | |
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2129 && (maxval > 500 || maxval > minval + 200)) |
6533 | 2130 return FAIL; |
2131 | |
4444 | 2132 /* Ignore previous call to nfa_regatom() */ |
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2133 post_ptr = post_start + my_post_start; |
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2134 /* Save parse state after the repeated atom and the \{} */ |
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2135 save_parse_state(&new_state); |
4444 | 2136 |
2137 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
2138 for (i = 0; i < maxval; i++) | |
2139 { | |
2140 /* Goto beginning of the repeated atom */ | |
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2141 restore_parse_state(&old_state); |
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2142 old_post_pos = (int)(post_ptr - post_start); |
4444 | 2143 if (nfa_regatom() == FAIL) |
2144 return FAIL; | |
2145 /* after "minval" times, atoms are optional */ | |
2146 if (i + 1 > minval) | |
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2147 { |
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2148 if (maxval == MAX_LIMIT) |
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2149 { |
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2150 if (greedy) |
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2151 EMIT(NFA_STAR); |
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2152 else |
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2153 EMIT(NFA_STAR_NONGREEDY); |
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2154 } |
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2155 else |
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2156 EMIT(quest); |
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2157 } |
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2158 if (old_post_pos != my_post_start) |
4444 | 2159 EMIT(NFA_CONCAT); |
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2160 if (i + 1 > minval && maxval == MAX_LIMIT) |
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2161 break; |
4444 | 2162 } |
2163 | |
2164 /* Go to just after the repeated atom and the \{} */ | |
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2165 restore_parse_state(&new_state); |
4444 | 2166 curchr = -1; |
2167 | |
2168 break; | |
2169 | |
2170 | |
2171 default: | |
2172 break; | |
2173 } /* end switch */ | |
2174 | |
2175 if (re_multi_type(peekchr()) != NOT_MULTI) | |
2176 /* Can't have a multi follow a multi. */ | |
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2177 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi")); |
4444 | 2178 |
2179 return OK; | |
2180 } | |
2181 | |
2182 /* | |
2183 * Parse one or more pieces, concatenated. It matches a match for the | |
2184 * first piece, followed by a match for the second piece, etc. Example: | |
2185 * "f[0-9]b", first matches "f", then a digit and then "b". | |
2186 * | |
2187 * concat ::= piece | |
2188 * or piece piece | |
2189 * or piece piece piece | |
2190 * etc. | |
2191 */ | |
2192 static int | |
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2193 nfa_regconcat(void) |
4444 | 2194 { |
2195 int cont = TRUE; | |
2196 int first = TRUE; | |
2197 | |
2198 while (cont) | |
2199 { | |
2200 switch (peekchr()) | |
2201 { | |
2202 case NUL: | |
2203 case Magic('|'): | |
2204 case Magic('&'): | |
2205 case Magic(')'): | |
2206 cont = FALSE; | |
2207 break; | |
2208 | |
2209 case Magic('Z'): | |
2210 regflags |= RF_ICOMBINE; | |
2211 skipchr_keepstart(); | |
2212 break; | |
2213 case Magic('c'): | |
2214 regflags |= RF_ICASE; | |
2215 skipchr_keepstart(); | |
2216 break; | |
2217 case Magic('C'): | |
2218 regflags |= RF_NOICASE; | |
2219 skipchr_keepstart(); | |
2220 break; | |
2221 case Magic('v'): | |
2222 reg_magic = MAGIC_ALL; | |
2223 skipchr_keepstart(); | |
2224 curchr = -1; | |
2225 break; | |
2226 case Magic('m'): | |
2227 reg_magic = MAGIC_ON; | |
2228 skipchr_keepstart(); | |
2229 curchr = -1; | |
2230 break; | |
2231 case Magic('M'): | |
2232 reg_magic = MAGIC_OFF; | |
2233 skipchr_keepstart(); | |
2234 curchr = -1; | |
2235 break; | |
2236 case Magic('V'): | |
2237 reg_magic = MAGIC_NONE; | |
2238 skipchr_keepstart(); | |
2239 curchr = -1; | |
2240 break; | |
2241 | |
2242 default: | |
2243 if (nfa_regpiece() == FAIL) | |
2244 return FAIL; | |
2245 if (first == FALSE) | |
2246 EMIT(NFA_CONCAT); | |
2247 else | |
2248 first = FALSE; | |
2249 break; | |
2250 } | |
2251 } | |
2252 | |
2253 return OK; | |
2254 } | |
2255 | |
2256 /* | |
2257 * Parse a branch, one or more concats, separated by "\&". It matches the | |
2258 * last concat, but only if all the preceding concats also match at the same | |
2259 * position. Examples: | |
2260 * "foobeep\&..." matches "foo" in "foobeep". | |
2261 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
2262 * | |
2263 * branch ::= concat | |
2264 * or concat \& concat | |
2265 * or concat \& concat \& concat | |
2266 * etc. | |
2267 */ | |
2268 static int | |
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2269 nfa_regbranch(void) |
4444 | 2270 { |
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2271 int old_post_pos; |
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Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2272 |
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2273 old_post_pos = (int)(post_ptr - post_start); |
4444 | 2274 |
2275 /* First branch, possibly the only one */ | |
2276 if (nfa_regconcat() == FAIL) | |
2277 return FAIL; | |
2278 | |
2279 /* 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
|
2280 while (peekchr() == Magic('&')) |
4444 | 2281 { |
2282 skipchr(); | |
13043
307f2622826f
patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
2283 /* if concat is empty do emit a node */ |
307f2622826f
patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
2284 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
|
2285 EMIT(NFA_EMPTY); |
4444 | 2286 EMIT(NFA_NOPEN); |
2287 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2288 old_post_pos = (int)(post_ptr - post_start); |
4444 | 2289 if (nfa_regconcat() == FAIL) |
2290 return FAIL; | |
5370 | 2291 /* 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
|
2292 if (old_post_pos == (int)(post_ptr - post_start)) |
5370 | 2293 EMIT(NFA_EMPTY); |
4444 | 2294 EMIT(NFA_CONCAT); |
2295 } | |
2296 | |
5370 | 2297 /* 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
|
2298 if (old_post_pos == (int)(post_ptr - post_start)) |
5370 | 2299 EMIT(NFA_EMPTY); |
4444 | 2300 |
2301 return OK; | |
2302 } | |
2303 | |
2304 /* | |
2305 * Parse a pattern, one or more branches, separated by "\|". It matches | |
2306 * anything that matches one of the branches. Example: "foo\|beep" matches | |
2307 * "foo" and matches "beep". If more than one branch matches, the first one | |
2308 * is used. | |
2309 * | |
2310 * pattern ::= branch | |
2311 * or branch \| branch | |
2312 * or branch \| branch \| branch | |
2313 * etc. | |
2314 */ | |
2315 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2316 nfa_reg( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2317 int paren) /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ |
4444 | 2318 { |
2319 int parno = 0; | |
2320 | |
2321 if (paren == REG_PAREN) | |
2322 { | |
2323 if (regnpar >= NSUBEXP) /* Too many `(' */ | |
2324 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); | |
2325 parno = regnpar++; | |
2326 } | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2327 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2328 else if (paren == REG_ZPAREN) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2329 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2330 /* Make a ZOPEN node. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2331 if (regnzpar >= NSUBEXP) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2332 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2333 parno = regnzpar++; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2334 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2335 #endif |
4444 | 2336 |
2337 if (nfa_regbranch() == FAIL) | |
2338 return FAIL; /* cascaded error */ | |
2339 | |
2340 while (peekchr() == Magic('|')) | |
2341 { | |
2342 skipchr(); | |
2343 if (nfa_regbranch() == FAIL) | |
2344 return FAIL; /* cascaded error */ | |
2345 EMIT(NFA_OR); | |
2346 } | |
2347 | |
2348 /* Check for proper termination. */ | |
2349 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
2350 { | |
2351 if (paren == REG_NPAREN) | |
2352 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
2353 else | |
2354 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
2355 } | |
2356 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
2357 { | |
2358 if (peekchr() == Magic(')')) | |
2359 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
2360 else | |
2361 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
2362 } | |
2363 /* | |
2364 * Here we set the flag allowing back references to this set of | |
2365 * parentheses. | |
2366 */ | |
2367 if (paren == REG_PAREN) | |
2368 { | |
2369 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
2370 EMIT(NFA_MOPEN + parno); | |
2371 } | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2372 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2373 else if (paren == REG_ZPAREN) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2374 EMIT(NFA_ZOPEN + parno); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2375 #endif |
4444 | 2376 |
2377 return OK; | |
2378 } | |
2379 | |
2380 #ifdef DEBUG | |
2381 static char_u code[50]; | |
2382 | |
2383 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2384 nfa_set_code(int c) |
4444 | 2385 { |
2386 int addnl = FALSE; | |
2387 | |
2388 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
2389 { | |
2390 addnl = TRUE; | |
5296 | 2391 c -= NFA_ADD_NL; |
4444 | 2392 } |
2393 | |
2394 STRCPY(code, ""); | |
2395 switch (c) | |
2396 { | |
2397 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
2398 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
2399 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
2400 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
2401 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
2402 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
2403 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2404 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2405 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2406 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2407 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2408 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2409 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2410 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2411 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2412 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
|
2413 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2414 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2415 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2416 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2417 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2418 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2419 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2420 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2421 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2422 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2423 #endif |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2424 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2425 |
4444 | 2426 case NFA_PREV_ATOM_NO_WIDTH: |
2427 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
|
2428 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2429 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
|
2430 case NFA_PREV_ATOM_JUST_BEFORE: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2431 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2432 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2433 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
|
2434 case NFA_PREV_ATOM_LIKE_PATTERN: |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2435 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2436 |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2437 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2438 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
4444 | 2439 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
|
2440 case NFA_START_INVISIBLE_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2441 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break; |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2442 case NFA_START_INVISIBLE_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2443 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break; |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2444 case NFA_START_INVISIBLE_NEG_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2445 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
|
2446 case NFA_START_INVISIBLE_BEFORE: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2447 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2448 case NFA_START_INVISIBLE_BEFORE_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2449 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_FIRST"); break; |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2450 case NFA_START_INVISIBLE_BEFORE_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2451 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
|
2452 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2453 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
|
2454 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break; |
4444 | 2455 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
|
2456 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
|
2457 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break; |
4444 | 2458 |
2459 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
2460 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
|
2461 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break; |
4444 | 2462 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2463 case NFA_MOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
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4682
diff
changeset
|
2464 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
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parents:
4682
diff
changeset
|
2465 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
2466 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
2467 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2468 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2469 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2470 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2471 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2472 case NFA_MOPEN9: |
4444 | 2473 STRCPY(code, "NFA_MOPEN(x)"); |
2474 code[10] = c - NFA_MOPEN + '0'; | |
2475 break; | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2476 case NFA_MCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2477 case NFA_MCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2478 case NFA_MCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2479 case NFA_MCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2480 case NFA_MCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2481 case NFA_MCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2482 case NFA_MCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2483 case NFA_MCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2484 case NFA_MCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2485 case NFA_MCLOSE9: |
4444 | 2486 STRCPY(code, "NFA_MCLOSE(x)"); |
2487 code[11] = c - NFA_MCLOSE + '0'; | |
2488 break; | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2489 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2490 case NFA_ZOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2491 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2492 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2493 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2494 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2495 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2496 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2497 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2498 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2499 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2500 STRCPY(code, "NFA_ZOPEN(x)"); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2501 code[10] = c - NFA_ZOPEN + '0'; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2502 break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2503 case NFA_ZCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2504 case NFA_ZCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2505 case NFA_ZCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2506 case NFA_ZCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2507 case NFA_ZCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2508 case NFA_ZCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2509 case NFA_ZCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2510 case NFA_ZCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2511 case NFA_ZCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2512 case NFA_ZCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2513 STRCPY(code, "NFA_ZCLOSE(x)"); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2514 code[11] = c - NFA_ZCLOSE + '0'; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2515 break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2516 #endif |
4444 | 2517 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
2518 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
2519 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
2520 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
|
2521 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
2522 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
|
2523 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2524 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
|
2525 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
|
2526 case NFA_COL: STRCPY(code, "NFA_COL "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2527 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
|
2528 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
|
2529 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2530 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
|
2531 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
|
2532 case NFA_MARK: STRCPY(code, "NFA_MARK "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2533 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
|
2534 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
|
2535 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2536 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break; |
5901 | 2537 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
|
2538 |
4444 | 2539 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
|
2540 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
|
2541 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2542 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
5370 | 2543 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break; |
4444 | 2544 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
|
2545 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2546 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
|
2547 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
|
2548 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
|
2549 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
|
2550 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2551 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
|
2552 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
|
2553 |
4444 | 2554 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; |
2555 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
2556 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
2557 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
2558 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
2559 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
2560 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
2561 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
2562 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
2563 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
2564 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
2565 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
2566 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
2567 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
2568 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
2569 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
|
2570 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
|
2571 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
|
2572 case NFA_CLASS_FNAME: STRCPY(code, "NFA_CLASS_FNAME"); break; |
4444 | 2573 |
2574 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
2575 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
2576 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
2577 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
2578 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
2579 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
2580 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
2581 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
2582 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
2583 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
2584 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
2585 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
2586 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
2587 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
2588 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
2589 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
2590 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
2591 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
2592 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
2593 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
2594 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
2595 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
2596 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
2597 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
2598 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
2599 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
2600 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
5296 | 2601 case NFA_LOWER_IC: STRCPY(code, "NFA_LOWER_IC"); break; |
2602 case NFA_NLOWER_IC: STRCPY(code, "NFA_NLOWER_IC"); break; | |
2603 case NFA_UPPER_IC: STRCPY(code, "NFA_UPPER_IC"); break; | |
2604 case NFA_NUPPER_IC: STRCPY(code, "NFA_NUPPER_IC"); break; | |
4444 | 2605 |
2606 default: | |
2607 STRCPY(code, "CHAR(x)"); | |
2608 code[5] = c; | |
2609 } | |
2610 | |
2611 if (addnl == TRUE) | |
2612 STRCAT(code, " + NEWLINE "); | |
2613 | |
2614 } | |
2615 | |
2616 #ifdef ENABLE_LOG | |
2617 static FILE *log_fd; | |
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
2618 static char_u e_log_open_failed[] = N_("Could not open temporary log file for writing, displaying on stderr... "); |
4444 | 2619 |
2620 /* | |
2621 * Print the postfix notation of the current regexp. | |
2622 */ | |
2623 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2624 nfa_postfix_dump(char_u *expr, int retval) |
4444 | 2625 { |
2626 int *p; | |
2627 FILE *f; | |
2628 | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2629 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
4444 | 2630 if (f != NULL) |
2631 { | |
2632 fprintf(f, "\n-------------------------\n"); | |
2633 if (retval == FAIL) | |
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
2634 fprintf(f, ">>> NFA engine failed... \n"); |
4444 | 2635 else if (retval == OK) |
2636 fprintf(f, ">>> NFA engine succeeded !\n"); | |
2637 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
|
2638 for (p = post_start; *p && p < post_ptr; p++) |
4444 | 2639 { |
2640 nfa_set_code(*p); | |
2641 fprintf(f, "%s, ", code); | |
2642 } | |
2643 fprintf(f, "\"\nPostfix notation (int): "); | |
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
2644 for (p = post_start; *p && p < post_ptr; p++) |
4444 | 2645 fprintf(f, "%d ", *p); |
2646 fprintf(f, "\n\n"); | |
2647 fclose(f); | |
2648 } | |
2649 } | |
2650 | |
2651 /* | |
2652 * Print the NFA starting with a root node "state". | |
2653 */ | |
2654 static void | |
7833
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diff
changeset
|
2655 nfa_print_state(FILE *debugf, nfa_state_T *state) |
4444 | 2656 { |
4533
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|
2657 garray_T indent; |
6a2005efa02b
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|
2658 |
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|
2659 ga_init2(&indent, 1, 64); |
6a2005efa02b
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|
2660 ga_append(&indent, '\0'); |
6a2005efa02b
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diff
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|
2661 nfa_print_state2(debugf, state, &indent); |
6a2005efa02b
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|
2662 ga_clear(&indent); |
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|
2663 } |
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|
2664 |
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|
2665 static void |
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parents:
7805
diff
changeset
|
2666 nfa_print_state2(FILE *debugf, nfa_state_T *state, garray_T *indent) |
4533
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|
2667 { |
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|
2668 char_u *p; |
4444 | 2669 |
2670 if (state == NULL) | |
2671 return; | |
2672 | |
2673 fprintf(debugf, "(%2d)", abs(state->id)); | |
4533
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|
2674 |
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2675 /* Output indent */ |
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|
2676 p = (char_u *)indent->ga_data; |
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|
2677 if (indent->ga_len >= 3) |
6a2005efa02b
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|
2678 { |
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|
2679 int last = indent->ga_len - 3; |
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|
2680 char_u save[2]; |
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|
2681 |
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2682 STRNCPY(save, &p[last], 2); |
6a2005efa02b
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|
2683 STRNCPY(&p[last], "+-", 2); |
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|
2684 fprintf(debugf, " %s", p); |
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|
2685 STRNCPY(&p[last], save, 2); |
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2686 } |
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2687 else |
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2688 fprintf(debugf, " %s", p); |
4444 | 2689 |
2690 nfa_set_code(state->c); | |
4785
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|
2691 fprintf(debugf, "%s (%d) (id=%d) val=%d\n", |
4781
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2692 code, |
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2693 state->c, |
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2694 abs(state->id), |
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|
2695 state->val); |
4444 | 2696 if (state->id < 0) |
2697 return; | |
2698 | |
2699 state->id = abs(state->id) * -1; | |
4533
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|
2700 |
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2701 /* grow indent for state->out */ |
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|
2702 indent->ga_len -= 1; |
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|
2703 if (state->out1) |
4537
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|
2704 ga_concat(indent, (char_u *)"| "); |
4533
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2705 else |
4537
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|
2706 ga_concat(indent, (char_u *)" "); |
4533
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|
2707 ga_append(indent, '\0'); |
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|
2708 |
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|
2709 nfa_print_state2(debugf, state->out, indent); |
6a2005efa02b
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|
2710 |
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2711 /* replace last part of indent for state->out1 */ |
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|
2712 indent->ga_len -= 3; |
4537
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|
2713 ga_concat(indent, (char_u *)" "); |
4533
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|
2714 ga_append(indent, '\0'); |
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|
2715 |
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|
2716 nfa_print_state2(debugf, state->out1, indent); |
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|
2717 |
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2718 /* shrink indent */ |
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2719 indent->ga_len -= 3; |
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|
2720 ga_append(indent, '\0'); |
4444 | 2721 } |
2722 | |
2723 /* | |
2724 * Print the NFA state machine. | |
2725 */ | |
2726 static void | |
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changeset
|
2727 nfa_dump(nfa_regprog_T *prog) |
4444 | 2728 { |
4531
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parents:
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diff
changeset
|
2729 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
4444 | 2730 |
2731 if (debugf != NULL) | |
2732 { | |
4533
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|
2733 nfa_print_state(debugf, prog->start); |
4772
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|
2734 |
4805
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|
2735 if (prog->reganch) |
66803af09906
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diff
changeset
|
2736 fprintf(debugf, "reganch: %d\n", prog->reganch); |
66803af09906
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diff
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|
2737 if (prog->regstart != NUL) |
66803af09906
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diff
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|
2738 fprintf(debugf, "regstart: %c (decimal: %d)\n", |
66803af09906
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diff
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|
2739 prog->regstart, prog->regstart); |
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diff
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|
2740 if (prog->match_text != NULL) |
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diff
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|
2741 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text); |
4772
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diff
changeset
|
2742 |
4444 | 2743 fclose(debugf); |
2744 } | |
2745 } | |
2746 #endif /* ENABLE_LOG */ | |
2747 #endif /* DEBUG */ | |
2748 | |
2749 /* | |
2750 * Parse r.e. @expr and convert it into postfix form. | |
2751 * Return the postfix string on success, NULL otherwise. | |
2752 */ | |
2753 static int * | |
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2754 re2post(void) |
4444 | 2755 { |
2756 if (nfa_reg(REG_NOPAREN) == FAIL) | |
2757 return NULL; | |
2758 EMIT(NFA_MOPEN); | |
2759 return post_start; | |
2760 } | |
2761 | |
2762 /* NB. Some of the code below is inspired by Russ's. */ | |
2763 | |
2764 /* | |
2765 * Represents an NFA state plus zero or one or two arrows exiting. | |
2766 * if c == MATCH, no arrows out; matching state. | |
2767 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
2768 * If c < 256, labeled arrow with character c to out. | |
2769 */ | |
2770 | |
2771 static nfa_state_T *state_ptr; /* points to nfa_prog->state */ | |
2772 | |
2773 /* | |
2774 * Allocate and initialize nfa_state_T. | |
2775 */ | |
2776 static nfa_state_T * | |
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7805
diff
changeset
|
2777 alloc_state(int c, nfa_state_T *out, nfa_state_T *out1) |
4444 | 2778 { |
2779 nfa_state_T *s; | |
2780 | |
2781 if (istate >= nstate) | |
2782 return NULL; | |
2783 | |
2784 s = &state_ptr[istate++]; | |
2785 | |
2786 s->c = c; | |
2787 s->out = out; | |
2788 s->out1 = out1; | |
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|
2789 s->val = 0; |
4444 | 2790 |
2791 s->id = istate; | |
4718
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4716
diff
changeset
|
2792 s->lastlist[0] = 0; |
ec72bb4a0fc2
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4716
diff
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|
2793 s->lastlist[1] = 0; |
4444 | 2794 |
2795 return s; | |
2796 } | |
2797 | |
2798 /* | |
2799 * A partially built NFA without the matching state filled in. | |
2800 * Frag_T.start points at the start state. | |
2801 * Frag_T.out is a list of places that need to be set to the | |
2802 * next state for this fragment. | |
2803 */ | |
4555
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|
2804 |
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|
2805 /* Since the out pointers in the list are always |
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diff
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|
2806 * uninitialized, we use the pointers themselves |
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diff
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|
2807 * as storage for the Ptrlists. */ |
4444 | 2808 typedef union Ptrlist Ptrlist; |
4555
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|
2809 union Ptrlist |
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diff
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|
2810 { |
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|
2811 Ptrlist *next; |
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|
2812 nfa_state_T *s; |
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|
2813 }; |
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|
2814 |
4444 | 2815 struct Frag |
2816 { | |
4555
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diff
changeset
|
2817 nfa_state_T *start; |
4444 | 2818 Ptrlist *out; |
2819 }; | |
2820 typedef struct Frag Frag_T; | |
2821 | |
2822 /* | |
4456 | 2823 * Initialize a Frag_T struct and return it. |
4444 | 2824 */ |
2825 static Frag_T | |
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diff
changeset
|
2826 frag(nfa_state_T *start, Ptrlist *out) |
4444 | 2827 { |
4456 | 2828 Frag_T n; |
2829 | |
2830 n.start = start; | |
2831 n.out = out; | |
4444 | 2832 return n; |
2833 } | |
2834 | |
2835 /* | |
2836 * Create singleton list containing just outp. | |
2837 */ | |
2838 static Ptrlist * | |
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changeset
|
2839 list1( |
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diff
changeset
|
2840 nfa_state_T **outp) |
4444 | 2841 { |
2842 Ptrlist *l; | |
2843 | |
2844 l = (Ptrlist *)outp; | |
2845 l->next = NULL; | |
2846 return l; | |
2847 } | |
2848 | |
2849 /* | |
2850 * Patch the list of states at out to point to start. | |
2851 */ | |
2852 static void | |
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diff
changeset
|
2853 patch(Ptrlist *l, nfa_state_T *s) |
4444 | 2854 { |
2855 Ptrlist *next; | |
2856 | |
2857 for (; l; l = next) | |
2858 { | |
2859 next = l->next; | |
2860 l->s = s; | |
2861 } | |
2862 } | |
2863 | |
2864 | |
2865 /* | |
2866 * Join the two lists l1 and l2, returning the combination. | |
2867 */ | |
2868 static Ptrlist * | |
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diff
changeset
|
2869 append(Ptrlist *l1, Ptrlist *l2) |
4444 | 2870 { |
2871 Ptrlist *oldl1; | |
2872 | |
2873 oldl1 = l1; | |
2874 while (l1->next) | |
2875 l1 = l1->next; | |
2876 l1->next = l2; | |
2877 return oldl1; | |
2878 } | |
2879 | |
2880 /* | |
2881 * Stack used for transforming postfix form into NFA. | |
2882 */ | |
2883 static Frag_T empty; | |
2884 | |
2885 static void | |
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diff
changeset
|
2886 st_error(int *postfix UNUSED, int *end UNUSED, int *p UNUSED) |
4444 | 2887 { |
4531
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diff
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|
2888 #ifdef NFA_REGEXP_ERROR_LOG |
4444 | 2889 FILE *df; |
2890 int *p2; | |
2891 | |
4531
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diff
changeset
|
2892 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
4444 | 2893 if (df) |
2894 { | |
2895 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
|
2896 # ifdef DEBUG |
4444 | 2897 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
|
2898 # endif |
4444 | 2899 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
|
2900 # ifdef DEBUG |
4444 | 2901 for (p2 = postfix; p2 < end; p2++) |
2902 { | |
2903 nfa_set_code(*p2); | |
2904 fprintf(df, "%s, ", code); | |
2905 } | |
2906 nfa_set_code(*p); | |
2907 fprintf(df, "\nCurrent position is: "); | |
2908 for (p2 = postfix; p2 <= p; p2 ++) | |
2909 { | |
2910 nfa_set_code(*p2); | |
2911 fprintf(df, "%s, ", code); | |
2912 } | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
2913 # else |
4444 | 2914 for (p2 = postfix; p2 < end; p2++) |
2915 { | |
2916 fprintf(df, "%d, ", *p2); | |
2917 } | |
2918 fprintf(df, "\nCurrent position is: "); | |
2919 for (p2 = postfix; p2 <= p; p2 ++) | |
2920 { | |
2921 fprintf(df, "%d, ", *p2); | |
2922 } | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
2923 # endif |
4444 | 2924 fprintf(df, "\n--------------------------\n"); |
2925 fclose(df); | |
2926 } | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2927 #endif |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
2928 emsg(_("E874: (NFA) Could not pop the stack!")); |
4444 | 2929 } |
2930 | |
2931 /* | |
2932 * Push an item onto the stack. | |
2933 */ | |
2934 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2935 st_push(Frag_T s, Frag_T **p, Frag_T *stack_end) |
4444 | 2936 { |
2937 Frag_T *stackp = *p; | |
2938 | |
2939 if (stackp >= stack_end) | |
2940 return; | |
2941 *stackp = s; | |
2942 *p = *p + 1; | |
2943 } | |
2944 | |
2945 /* | |
2946 * Pop an item from the stack. | |
2947 */ | |
2948 static Frag_T | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2949 st_pop(Frag_T **p, Frag_T *stack) |
4444 | 2950 { |
2951 Frag_T *stackp; | |
2952 | |
2953 *p = *p - 1; | |
2954 stackp = *p; | |
2955 if (stackp < stack) | |
2956 return empty; | |
2957 return **p; | |
2958 } | |
2959 | |
2960 /* | |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2961 * 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
|
2962 * When unknown or unlimited return -1. |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2963 */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2964 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2965 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
|
2966 { |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2967 int l, r; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2968 nfa_state_T *state = startstate; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2969 int len = 0; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2970 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2971 /* detect looping in a NFA_SPLIT */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2972 if (depth > 4) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2973 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2974 |
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4944
diff
changeset
|
2975 while (state != NULL) |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2976 { |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2977 switch (state->c) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2978 { |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2979 case NFA_END_INVISIBLE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2980 case NFA_END_INVISIBLE_NEG: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2981 /* the end, return what we have */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2982 return len; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2983 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2984 case NFA_SPLIT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2985 /* two alternatives, use the maximum */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2986 l = nfa_max_width(state->out, depth + 1); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2987 r = nfa_max_width(state->out1, depth + 1); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2988 if (l < 0 || r < 0) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2989 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2990 return len + (l > r ? l : r); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2991 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2992 case NFA_ANY: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2993 case NFA_START_COLL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2994 case NFA_START_NEG_COLL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2995 /* matches some character, including composing chars */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2996 if (enc_utf8) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2997 len += MB_MAXBYTES; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2998 else if (has_mbyte) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2999 len += 2; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3000 else |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3001 ++len; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3002 if (state->c != NFA_ANY) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3003 { |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3004 /* skip over the characters */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3005 state = state->out1->out; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3006 continue; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3007 } |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3008 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3009 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3010 case NFA_DIGIT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3011 case NFA_WHITE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3012 case NFA_HEX: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3013 case NFA_OCTAL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3014 /* ascii */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3015 ++len; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3016 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3017 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3018 case NFA_IDENT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3019 case NFA_SIDENT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3020 case NFA_KWORD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3021 case NFA_SKWORD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3022 case NFA_FNAME: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3023 case NFA_SFNAME: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3024 case NFA_PRINT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3025 case NFA_SPRINT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3026 case NFA_NWHITE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3027 case NFA_NDIGIT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3028 case NFA_NHEX: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3029 case NFA_NOCTAL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3030 case NFA_WORD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3031 case NFA_NWORD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3032 case NFA_HEAD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3033 case NFA_NHEAD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3034 case NFA_ALPHA: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3035 case NFA_NALPHA: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3036 case NFA_LOWER: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3037 case NFA_NLOWER: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3038 case NFA_UPPER: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3039 case NFA_NUPPER: |
5296 | 3040 case NFA_LOWER_IC: |
3041 case NFA_NLOWER_IC: | |
3042 case NFA_UPPER_IC: | |
3043 case NFA_NUPPER_IC: | |
5901 | 3044 case NFA_ANY_COMPOSING: |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3045 /* possibly non-ascii */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3046 if (has_mbyte) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3047 len += 3; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3048 else |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3049 ++len; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3050 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3051 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3052 case NFA_START_INVISIBLE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3053 case NFA_START_INVISIBLE_NEG: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3054 case NFA_START_INVISIBLE_BEFORE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3055 case NFA_START_INVISIBLE_BEFORE_NEG: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3056 /* zero-width, out1 points to the END state */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3057 state = state->out1->out; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3058 continue; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3059 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3060 case NFA_BACKREF1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3061 case NFA_BACKREF2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3062 case NFA_BACKREF3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3063 case NFA_BACKREF4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3064 case NFA_BACKREF5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3065 case NFA_BACKREF6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3066 case NFA_BACKREF7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3067 case NFA_BACKREF8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3068 case NFA_BACKREF9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3069 #ifdef FEAT_SYN_HL |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3070 case NFA_ZREF1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3071 case NFA_ZREF2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3072 case NFA_ZREF3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3073 case NFA_ZREF4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3074 case NFA_ZREF5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3075 case NFA_ZREF6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3076 case NFA_ZREF7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3077 case NFA_ZREF8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3078 case NFA_ZREF9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3079 #endif |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3080 case NFA_NEWL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3081 case NFA_SKIP: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3082 /* unknown width */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3083 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3084 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3085 case NFA_BOL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3086 case NFA_EOL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3087 case NFA_BOF: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3088 case NFA_EOF: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3089 case NFA_BOW: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3090 case NFA_EOW: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3091 case NFA_MOPEN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3092 case NFA_MOPEN1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3093 case NFA_MOPEN2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3094 case NFA_MOPEN3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3095 case NFA_MOPEN4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3096 case NFA_MOPEN5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3097 case NFA_MOPEN6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3098 case NFA_MOPEN7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3099 case NFA_MOPEN8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3100 case NFA_MOPEN9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3101 #ifdef FEAT_SYN_HL |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3102 case NFA_ZOPEN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3103 case NFA_ZOPEN1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3104 case NFA_ZOPEN2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3105 case NFA_ZOPEN3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3106 case NFA_ZOPEN4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3107 case NFA_ZOPEN5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3108 case NFA_ZOPEN6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3109 case NFA_ZOPEN7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3110 case NFA_ZOPEN8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3111 case NFA_ZOPEN9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3112 case NFA_ZCLOSE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3113 case NFA_ZCLOSE1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3114 case NFA_ZCLOSE2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3115 case NFA_ZCLOSE3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3116 case NFA_ZCLOSE4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3117 case NFA_ZCLOSE5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3118 case NFA_ZCLOSE6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3119 case NFA_ZCLOSE7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3120 case NFA_ZCLOSE8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3121 case NFA_ZCLOSE9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3122 #endif |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3123 case NFA_MCLOSE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3124 case NFA_MCLOSE1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3125 case NFA_MCLOSE2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3126 case NFA_MCLOSE3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3127 case NFA_MCLOSE4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3128 case NFA_MCLOSE5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3129 case NFA_MCLOSE6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3130 case NFA_MCLOSE7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3131 case NFA_MCLOSE8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3132 case NFA_MCLOSE9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3133 case NFA_NOPEN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3134 case NFA_NCLOSE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3135 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3136 case NFA_LNUM_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3137 case NFA_LNUM_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3138 case NFA_COL_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3139 case NFA_COL_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3140 case NFA_VCOL_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3141 case NFA_VCOL_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3142 case NFA_MARK_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3143 case NFA_MARK_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3144 case NFA_VISUAL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3145 case NFA_LNUM: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3146 case NFA_CURSOR: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3147 case NFA_COL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3148 case NFA_VCOL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3149 case NFA_MARK: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3150 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3151 case NFA_ZSTART: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3152 case NFA_ZEND: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3153 case NFA_OPT_CHARS: |
5370 | 3154 case NFA_EMPTY: |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3155 case NFA_START_PATTERN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3156 case NFA_END_PATTERN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3157 case NFA_COMPOSING: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3158 case NFA_END_COMPOSING: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3159 /* zero-width */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3160 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3161 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3162 default: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3163 if (state->c < 0) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3164 /* don't know what this is */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3165 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3166 /* normal character */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3167 len += MB_CHAR2LEN(state->c); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3168 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3169 } |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3170 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3171 /* normal way to continue */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3172 state = state->out; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3173 } |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3174 |
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4944
diff
changeset
|
3175 /* unrecognized, "cannot happen" */ |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3176 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3177 } |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3178 |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3179 /* |
4444 | 3180 * Convert a postfix form into its equivalent NFA. |
3181 * Return the NFA start state on success, NULL otherwise. | |
3182 */ | |
3183 static nfa_state_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3184 post2nfa(int *postfix, int *end, int nfa_calc_size) |
4444 | 3185 { |
3186 int *p; | |
3187 int mopen; | |
3188 int mclose; | |
3189 Frag_T *stack = NULL; | |
3190 Frag_T *stackp = NULL; | |
3191 Frag_T *stack_end = NULL; | |
3192 Frag_T e1; | |
3193 Frag_T e2; | |
3194 Frag_T e; | |
3195 nfa_state_T *s; | |
3196 nfa_state_T *s1; | |
3197 nfa_state_T *matchstate; | |
4484 | 3198 nfa_state_T *ret = NULL; |
4444 | 3199 |
3200 if (postfix == NULL) | |
3201 return NULL; | |
3202 | |
4456 | 3203 #define PUSH(s) st_push((s), &stackp, stack_end) |
4444 | 3204 #define POP() st_pop(&stackp, stack); \ |
3205 if (stackp < stack) \ | |
3206 { \ | |
3207 st_error(postfix, end, p); \ | |
6747 | 3208 vim_free(stack); \ |
4444 | 3209 return NULL; \ |
3210 } | |
3211 | |
3212 if (nfa_calc_size == FALSE) | |
3213 { | |
15265
a7d02a56b5d5
patch 8.1.0641: no check for out-of-memory when converting regexp
Bram Moolenaar <Bram@vim.org>
parents:
14354
diff
changeset
|
3214 // Allocate space for the stack. Max states on the stack: "nstate'. |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3215 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE); |
15265
a7d02a56b5d5
patch 8.1.0641: no check for out-of-memory when converting regexp
Bram Moolenaar <Bram@vim.org>
parents:
14354
diff
changeset
|
3216 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
|
3217 return NULL; |
4444 | 3218 stackp = stack; |
4462 | 3219 stack_end = stack + (nstate + 1); |
4444 | 3220 } |
3221 | |
3222 for (p = postfix; p < end; ++p) | |
3223 { | |
3224 switch (*p) | |
3225 { | |
3226 case NFA_CONCAT: | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3227 /* Concatenation. |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3228 * Pay attention: this operator does not exist in the r.e. itself |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3229 * (it is implicit, really). It is added when r.e. is translated |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3230 * to postfix form in re2post(). */ |
4444 | 3231 if (nfa_calc_size == TRUE) |
3232 { | |
4458 | 3233 /* nstate += 0; */ |
4444 | 3234 break; |
3235 } | |
3236 e2 = POP(); | |
3237 e1 = POP(); | |
3238 patch(e1.out, e2.start); | |
3239 PUSH(frag(e1.start, e2.out)); | |
3240 break; | |
3241 | |
3242 case NFA_OR: | |
3243 /* Alternation */ | |
3244 if (nfa_calc_size == TRUE) | |
3245 { | |
4458 | 3246 nstate++; |
4444 | 3247 break; |
3248 } | |
3249 e2 = POP(); | |
3250 e1 = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3251 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
4444 | 3252 if (s == NULL) |
4484 | 3253 goto theend; |
4444 | 3254 PUSH(frag(s, append(e1.out, e2.out))); |
3255 break; | |
3256 | |
3257 case NFA_STAR: | |
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3258 /* Zero or more, prefer more */ |
4444 | 3259 if (nfa_calc_size == TRUE) |
3260 { | |
4458 | 3261 nstate++; |
4444 | 3262 break; |
3263 } | |
3264 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3265 s = alloc_state(NFA_SPLIT, e.start, NULL); |
4444 | 3266 if (s == NULL) |
4484 | 3267 goto theend; |
4444 | 3268 patch(e.out, s); |
3269 PUSH(frag(s, list1(&s->out1))); | |
3270 break; | |
3271 | |
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3272 case NFA_STAR_NONGREEDY: |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3273 /* Zero or more, prefer zero */ |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3274 if (nfa_calc_size == TRUE) |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3275 { |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3276 nstate++; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3277 break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3278 } |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3279 e = POP(); |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3280 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
|
3281 if (s == NULL) |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3282 goto theend; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3283 patch(e.out, s); |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3284 PUSH(frag(s, list1(&s->out))); |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3285 break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3286 |
4444 | 3287 case NFA_QUEST: |
3288 /* one or zero atoms=> greedy match */ | |
3289 if (nfa_calc_size == TRUE) | |
3290 { | |
4458 | 3291 nstate++; |
4444 | 3292 break; |
3293 } | |
3294 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3295 s = alloc_state(NFA_SPLIT, e.start, NULL); |
4444 | 3296 if (s == NULL) |
4484 | 3297 goto theend; |
4444 | 3298 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
3299 break; | |
3300 | |
3301 case NFA_QUEST_NONGREEDY: | |
3302 /* zero or one atoms => non-greedy match */ | |
3303 if (nfa_calc_size == TRUE) | |
3304 { | |
4458 | 3305 nstate++; |
4444 | 3306 break; |
3307 } | |
3308 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3309 s = alloc_state(NFA_SPLIT, NULL, e.start); |
4444 | 3310 if (s == NULL) |
4484 | 3311 goto theend; |
4444 | 3312 PUSH(frag(s, append(e.out, list1(&s->out)))); |
3313 break; | |
3314 | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3315 case NFA_END_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3316 case NFA_END_NEG_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3317 /* On the stack is the sequence starting with NFA_START_COLL or |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3318 * NFA_START_NEG_COLL and all possible characters. Patch it to |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3319 * add the output to the start. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3320 if (nfa_calc_size == TRUE) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3321 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3322 nstate++; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3323 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3324 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3325 e = POP(); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3326 s = alloc_state(NFA_END_COLL, NULL, NULL); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3327 if (s == NULL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3328 goto theend; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3329 patch(e.out, s); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3330 e.start->out1 = s; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3331 PUSH(frag(e.start, list1(&s->out))); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3332 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3333 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3334 case NFA_RANGE: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3335 /* Before this are two characters, the low and high end of a |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3336 * range. Turn them into two states with MIN and MAX. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3337 if (nfa_calc_size == TRUE) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3338 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3339 /* nstate += 0; */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3340 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3341 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3342 e2 = POP(); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3343 e1 = POP(); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3344 e2.start->val = e2.start->c; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3345 e2.start->c = NFA_RANGE_MAX; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3346 e1.start->val = e1.start->c; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3347 e1.start->c = NFA_RANGE_MIN; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3348 patch(e1.out, e2.start); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3349 PUSH(frag(e1.start, e2.out)); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3350 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3351 |
5370 | 3352 case NFA_EMPTY: |
3353 /* 0-length, used in a repetition with max/min count of 0 */ | |
4444 | 3354 if (nfa_calc_size == TRUE) |
3355 { | |
4458 | 3356 nstate++; |
4444 | 3357 break; |
3358 } | |
5370 | 3359 s = alloc_state(NFA_EMPTY, NULL, NULL); |
4444 | 3360 if (s == NULL) |
4484 | 3361 goto theend; |
4444 | 3362 PUSH(frag(s, list1(&s->out))); |
3363 break; | |
3364 | |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3365 case NFA_OPT_CHARS: |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3366 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3367 int n; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3368 |
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3369 /* \%[abc] implemented as: |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3370 * NFA_SPLIT |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3371 * +-CHAR(a) |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3372 * | +-NFA_SPLIT |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3373 * | +-CHAR(b) |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3374 * | | +-NFA_SPLIT |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3375 * | | +-CHAR(c) |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3376 * | | | +-next |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3377 * | | +- next |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3378 * | +- next |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3379 * +- next |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3380 */ |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3381 n = *++p; /* get number of characters */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3382 if (nfa_calc_size == TRUE) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3383 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3384 nstate += n; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3385 break; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3386 } |
4758
b25a1b2e3175
updated for version 7.3.1126
Bram Moolenaar <bram@vim.org>
parents:
4756
diff
changeset
|
3387 s = NULL; /* avoid compiler warning */ |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3388 e1.out = NULL; /* stores list with out1's */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3389 s1 = NULL; /* previous NFA_SPLIT to connect to */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3390 while (n-- > 0) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3391 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3392 e = POP(); /* get character */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3393 s = alloc_state(NFA_SPLIT, e.start, NULL); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3394 if (s == NULL) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3395 goto theend; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3396 if (e1.out == NULL) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3397 e1 = e; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3398 patch(e.out, s1); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3399 append(e1.out, list1(&s->out1)); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3400 s1 = s; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3401 } |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3402 PUSH(frag(s, e1.out)); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3403 break; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3404 } |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3405 |
4444 | 3406 case NFA_PREV_ATOM_NO_WIDTH: |
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3407 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3408 case NFA_PREV_ATOM_JUST_BEFORE: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3409 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3410 case NFA_PREV_ATOM_LIKE_PATTERN: |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3411 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3412 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3413 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3414 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
|
3415 int start_state; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3416 int end_state; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3417 int n = 0; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3418 nfa_state_T *zend; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3419 nfa_state_T *skip; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3420 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3421 switch (*p) |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3422 { |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3423 case NFA_PREV_ATOM_NO_WIDTH: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3424 start_state = NFA_START_INVISIBLE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3425 end_state = NFA_END_INVISIBLE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3426 break; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3427 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3428 start_state = NFA_START_INVISIBLE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3429 end_state = NFA_END_INVISIBLE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3430 break; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3431 case NFA_PREV_ATOM_JUST_BEFORE: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3432 start_state = NFA_START_INVISIBLE_BEFORE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3433 end_state = NFA_END_INVISIBLE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3434 break; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3435 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3436 start_state = NFA_START_INVISIBLE_BEFORE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3437 end_state = NFA_END_INVISIBLE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3438 break; |
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
3439 default: /* NFA_PREV_ATOM_LIKE_PATTERN: */ |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3440 start_state = NFA_START_PATTERN; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3441 end_state = NFA_END_PATTERN; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3442 break; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3443 } |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3444 |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3445 if (before) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3446 n = *++p; /* get the count */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3447 |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3448 /* The \@= operator: match the preceding atom with zero width. |
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3449 * The \@! operator: no match for the preceding atom. |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3450 * The \@<= operator: match for the preceding atom. |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3451 * The \@<! operator: no match for the preceding atom. |
4444 | 3452 * Surrounds the preceding atom with START_INVISIBLE and |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3453 * END_INVISIBLE, similarly to MOPEN. */ |
4444 | 3454 |
3455 if (nfa_calc_size == TRUE) | |
3456 { | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3457 nstate += pattern ? 4 : 2; |
4444 | 3458 break; |
3459 } | |
3460 e = POP(); | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3461 s1 = alloc_state(end_state, NULL, NULL); |
4444 | 3462 if (s1 == NULL) |
4484 | 3463 goto theend; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3464 |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3465 s = alloc_state(start_state, e.start, s1); |
4444 | 3466 if (s == NULL) |
4484 | 3467 goto theend; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3468 if (pattern) |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3469 { |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3470 /* NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows. */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3471 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
|
3472 if (skip == NULL) |
a941848d8c44
patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
11525
diff
changeset
|
3473 goto theend; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3474 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
|
3475 if (zend == NULL) |
a941848d8c44
patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
11525
diff
changeset
|
3476 goto theend; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3477 s1->out= skip; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3478 patch(e.out, zend); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3479 PUSH(frag(s, list1(&skip->out))); |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3480 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3481 else |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3482 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3483 patch(e.out, s1); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3484 PUSH(frag(s, list1(&s1->out))); |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3485 if (before) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3486 { |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3487 if (n <= 0) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3488 /* See if we can guess the maximum width, it avoids a |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3489 * lot of pointless tries. */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3490 n = nfa_max_width(e.start, 0); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3491 s->val = n; /* store the count */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3492 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3493 } |
4444 | 3494 break; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3495 } |
4444 | 3496 |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3497 case NFA_COMPOSING: /* char with composing char */ |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3498 #if 0 |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3499 /* TODO */ |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3500 if (regflags & RF_ICOMBINE) |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3501 { |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
3502 /* use the base character only */ |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3503 } |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3504 #endif |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3505 /* FALLTHROUGH */ |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3506 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3507 case NFA_MOPEN: /* \( \) Submatch */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3508 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3509 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3510 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3511 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3512 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3513 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3514 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3515 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3516 case NFA_MOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3517 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3518 case NFA_ZOPEN: /* \z( \) Submatch */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3519 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3520 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3521 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3522 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3523 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3524 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3525 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3526 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3527 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3528 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3529 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */ |
4444 | 3530 if (nfa_calc_size == TRUE) |
3531 { | |
3532 nstate += 2; | |
3533 break; | |
3534 } | |
3535 | |
3536 mopen = *p; | |
3537 switch (*p) | |
3538 { | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3539 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3540 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3541 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3542 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3543 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3544 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3545 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3546 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3547 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3548 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3549 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3550 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3551 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3552 case NFA_COMPOSING: mclose = NFA_END_COMPOSING; break; |
4444 | 3553 default: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3554 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */ |
4444 | 3555 mclose = *p + NSUBEXP; |
3556 break; | |
3557 } | |
3558 | |
3559 /* Allow "NFA_MOPEN" as a valid postfix representation for | |
3560 * the empty regexp "". In this case, the NFA will be | |
3561 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows | |
3562 * empty groups of parenthesis, and empty mbyte chars */ | |
3563 if (stackp == stack) | |
3564 { | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3565 s = alloc_state(mopen, NULL, NULL); |
4444 | 3566 if (s == NULL) |
4484 | 3567 goto theend; |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3568 s1 = alloc_state(mclose, NULL, NULL); |
4444 | 3569 if (s1 == NULL) |
4484 | 3570 goto theend; |
4444 | 3571 patch(list1(&s->out), s1); |
3572 PUSH(frag(s, list1(&s1->out))); | |
3573 break; | |
3574 } | |
3575 | |
3576 /* At least one node was emitted before NFA_MOPEN, so | |
3577 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */ | |
3578 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3579 s = alloc_state(mopen, e.start, NULL); /* `(' */ |
4444 | 3580 if (s == NULL) |
4484 | 3581 goto theend; |
4444 | 3582 |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3583 s1 = alloc_state(mclose, NULL, NULL); /* `)' */ |
4444 | 3584 if (s1 == NULL) |
4484 | 3585 goto theend; |
4444 | 3586 patch(e.out, s1); |
3587 | |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3588 if (mopen == NFA_COMPOSING) |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3589 /* COMPOSING->out1 = END_COMPOSING */ |
4444 | 3590 patch(list1(&s->out1), s1); |
3591 | |
3592 PUSH(frag(s, list1(&s1->out))); | |
3593 break; | |
3594 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3595 case NFA_BACKREF1: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3596 case NFA_BACKREF2: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3597 case NFA_BACKREF3: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3598 case NFA_BACKREF4: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3599 case NFA_BACKREF5: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3600 case NFA_BACKREF6: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3601 case NFA_BACKREF7: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3602 case NFA_BACKREF8: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3603 case NFA_BACKREF9: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3604 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3605 case NFA_ZREF1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3606 case NFA_ZREF2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3607 case NFA_ZREF3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3608 case NFA_ZREF4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3609 case NFA_ZREF5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3610 case NFA_ZREF6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3611 case NFA_ZREF7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3612 case NFA_ZREF8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3613 case NFA_ZREF9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3614 #endif |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3615 if (nfa_calc_size == TRUE) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3616 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3617 nstate += 2; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3618 break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3619 } |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3620 s = alloc_state(*p, NULL, NULL); |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3621 if (s == NULL) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3622 goto theend; |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3623 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3624 if (s1 == NULL) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3625 goto theend; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3626 patch(list1(&s->out), s1); |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3627 PUSH(frag(s, list1(&s1->out))); |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3628 break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3629 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3630 case NFA_LNUM: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3631 case NFA_LNUM_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3632 case NFA_LNUM_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3633 case NFA_VCOL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3634 case NFA_VCOL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3635 case NFA_VCOL_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3636 case NFA_COL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3637 case NFA_COL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3638 case NFA_COL_LT: |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3639 case NFA_MARK: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3640 case NFA_MARK_GT: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3641 case NFA_MARK_LT: |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3642 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3643 int n = *++p; /* lnum, col or mark name */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3644 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3645 if (nfa_calc_size == TRUE) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3646 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3647 nstate += 1; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3648 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3649 } |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3650 s = alloc_state(p[-1], NULL, NULL); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3651 if (s == NULL) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3652 goto theend; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3653 s->val = n; |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3654 PUSH(frag(s, list1(&s->out))); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3655 break; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3656 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3657 |
4444 | 3658 case NFA_ZSTART: |
3659 case NFA_ZEND: | |
3660 default: | |
3661 /* Operands */ | |
3662 if (nfa_calc_size == TRUE) | |
3663 { | |
4458 | 3664 nstate++; |
4444 | 3665 break; |
3666 } | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3667 s = alloc_state(*p, NULL, NULL); |
4444 | 3668 if (s == NULL) |
4484 | 3669 goto theend; |
4444 | 3670 PUSH(frag(s, list1(&s->out))); |
3671 break; | |
3672 | |
3673 } /* switch(*p) */ | |
3674 | |
3675 } /* for(p = postfix; *p; ++p) */ | |
3676 | |
3677 if (nfa_calc_size == TRUE) | |
3678 { | |
4458 | 3679 nstate++; |
4484 | 3680 goto theend; /* Return value when counting size is ignored anyway */ |
4444 | 3681 } |
3682 | |
3683 e = POP(); | |
3684 if (stackp != stack) | |
6747 | 3685 { |
3686 vim_free(stack); | |
4444 | 3687 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); |
6747 | 3688 } |
4444 | 3689 |
3690 if (istate >= nstate) | |
6747 | 3691 { |
3692 vim_free(stack); | |
4444 | 3693 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); |
6747 | 3694 } |
4444 | 3695 |
3696 matchstate = &state_ptr[istate++]; /* the match state */ | |
3697 matchstate->c = NFA_MATCH; | |
3698 matchstate->out = matchstate->out1 = NULL; | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3699 matchstate->id = 0; |
4444 | 3700 |
3701 patch(e.out, matchstate); | |
4484 | 3702 ret = e.start; |
3703 | |
3704 theend: | |
3705 vim_free(stack); | |
3706 return ret; | |
4444 | 3707 |
3708 #undef POP1 | |
3709 #undef PUSH1 | |
3710 #undef POP2 | |
3711 #undef PUSH2 | |
3712 #undef POP | |
3713 #undef PUSH | |
3714 } | |
3715 | |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3716 /* |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3717 * 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
|
3718 */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3719 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3720 nfa_postprocess(nfa_regprog_T *prog) |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3721 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3722 int i; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3723 int c; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3724 |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3725 for (i = 0; i < prog->nstate; ++i) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3726 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3727 c = prog->state[i].c; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3728 if (c == NFA_START_INVISIBLE |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3729 || c == NFA_START_INVISIBLE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3730 || c == NFA_START_INVISIBLE_BEFORE |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3731 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3732 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3733 int directly; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3734 |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3735 /* Do it directly when what follows is possibly the end of the |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3736 * match. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3737 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
|
3738 directly = TRUE; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3739 else |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3740 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3741 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
|
3742 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
|
3743 |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3744 /* Postpone when the invisible match is expensive or has a |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3745 * lower chance of failing. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3746 if (c == NFA_START_INVISIBLE_BEFORE |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3747 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3748 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3749 /* "before" matches are very expensive when |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3750 * unbounded, always prefer what follows then, |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3751 * unless what follows will always match. |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3752 * Otherwise strongly prefer what follows. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3753 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
|
3754 directly = FALSE; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3755 else |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3756 directly = ch_follows * 10 < ch_invisible; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3757 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3758 else |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3759 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3760 /* normal invisible, first do the one with the |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3761 * highest failure chance */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3762 directly = ch_follows < ch_invisible; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3763 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3764 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3765 if (directly) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3766 /* switch to the _FIRST state */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3767 ++prog->state[i].c; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3768 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3769 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3770 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3771 |
4444 | 3772 /**************************************************************** |
3773 * NFA execution code. | |
3774 ****************************************************************/ | |
3775 | |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3776 typedef struct |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3777 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3778 int in_use; /* number of subexpr with useful info */ |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3779 |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3780 /* 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
|
3781 union |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3782 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3783 struct multipos |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3784 { |
6547 | 3785 linenr_T start_lnum; |
3786 linenr_T end_lnum; | |
3787 colnr_T start_col; | |
3788 colnr_T end_col; | |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3789 } multi[NSUBEXP]; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3790 struct linepos |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3791 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3792 char_u *start; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3793 char_u *end; |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3794 } line[NSUBEXP]; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3795 } list; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3796 } regsub_T; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3797 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3798 typedef struct |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3799 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3800 regsub_T norm; /* \( .. \) matches */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3801 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3802 regsub_T synt; /* \z( .. \) matches */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3803 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3804 } regsubs_T; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3805 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3806 /* nfa_pim_T stores a Postponed Invisible Match. */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3807 typedef struct nfa_pim_S nfa_pim_T; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3808 struct nfa_pim_S |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3809 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3810 int result; /* NFA_PIM_*, see below */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3811 nfa_state_T *state; /* the invisible match start state */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3812 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
|
3813 union |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3814 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3815 lpos_T pos; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3816 char_u *ptr; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3817 } end; /* where the match must end */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3818 }; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3819 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3820 /* Values for done in nfa_pim_T. */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3821 #define NFA_PIM_UNUSED 0 /* pim not used */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3822 #define NFA_PIM_TODO 1 /* pim not done yet */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3823 #define NFA_PIM_MATCH 2 /* pim executed, matches */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3824 #define NFA_PIM_NOMATCH 3 /* pim executed, no match */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3825 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3826 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3827 /* 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
|
3828 typedef struct |
4444 | 3829 { |
3830 nfa_state_T *state; | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3831 int count; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3832 nfa_pim_T pim; /* if pim.result != NFA_PIM_UNUSED: postponed |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3833 * invisible match */ |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3834 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
|
3835 } nfa_thread_T; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3836 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3837 /* nfa_list_T contains the alternative NFA execution states. */ |
4444 | 3838 typedef struct |
3839 { | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3840 nfa_thread_T *t; /* allocated array of states */ |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3841 int n; /* nr of states currently in "t" */ |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3842 int len; /* max nr of states in "t" */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3843 int id; /* ID of the list */ |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
3844 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
|
3845 } nfa_list_T; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3846 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3847 #ifdef ENABLE_LOG |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
3848 static void log_subexpr(regsub_T *sub); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3849 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
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 log_subsexpr(regsubs_T *subs) |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3852 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3853 log_subexpr(&subs->norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3854 # 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
|
3855 if (rex.nfa_has_zsubexpr) |
4770
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3856 log_subexpr(&subs->synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3857 # endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3858 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3859 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3860 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3861 log_subexpr(regsub_T *sub) |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3862 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3863 int j; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3864 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3865 for (j = 0; j < sub->in_use; j++) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3866 if (REG_MULTI) |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3867 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
|
3868 j, |
6547 | 3869 sub->list.multi[j].start_col, |
3870 (int)sub->list.multi[j].start_lnum, | |
3871 sub->list.multi[j].end_col, | |
3872 (int)sub->list.multi[j].end_lnum); | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3873 else |
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3874 { |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3875 char *s = (char *)sub->list.line[j].start; |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3876 char *e = (char *)sub->list.line[j].end; |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3877 |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3878 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
|
3879 j, |
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3880 s == NULL ? "NULL" : s, |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3881 e == NULL ? "NULL" : e); |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3882 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3883 } |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3884 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3885 static char * |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3886 pim_info(nfa_pim_T *pim) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3887 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3888 static char buf[30]; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3889 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3890 if (pim == NULL || pim->result == NFA_PIM_UNUSED) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3891 buf[0] = NUL; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3892 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3893 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3894 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
|
3895 : (int)(pim->end.ptr - rex.input)); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3896 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3897 return buf; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3898 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3899 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3900 #endif |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3901 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3902 /* 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
|
3903 static int nfa_match; |
6573 | 3904 #ifdef FEAT_RELTIME |
3905 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
|
3906 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
|
3907 static int nfa_time_count; |
6573 | 3908 #endif |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3909 |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
3910 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
|
3911 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
|
3912 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3913 /* |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3914 * 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
|
3915 */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3916 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3917 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
|
3918 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3919 to->result = from->result; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3920 to->state = from->state; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3921 copy_sub(&to->subs.norm, &from->subs.norm); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3922 #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
|
3923 if (rex.nfa_has_zsubexpr) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3924 copy_sub(&to->subs.synt, &from->subs.synt); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3925 #endif |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3926 to->end = from->end; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3927 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3928 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3929 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3930 clear_sub(regsub_T *sub) |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3931 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3932 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3933 /* Use 0xff to set lnum to -1 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3934 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
|
3935 sizeof(struct multipos) * rex.nfa_nsubexpr); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3936 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3937 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
|
3938 sizeof(struct linepos) * rex.nfa_nsubexpr); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3939 sub->in_use = 0; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3940 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3941 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3942 /* |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3943 * Copy the submatches from "from" to "to". |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3944 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3945 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3946 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
|
3947 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3948 to->in_use = from->in_use; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3949 if (from->in_use > 0) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3950 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3951 /* Copy the match start and end positions. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3952 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3953 mch_memmove(&to->list.multi[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3954 &from->list.multi[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3955 sizeof(struct multipos) * from->in_use); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3956 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3957 mch_memmove(&to->list.line[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3958 &from->list.line[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3959 sizeof(struct linepos) * from->in_use); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3960 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3961 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3962 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3963 /* |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3964 * Like copy_sub() but exclude the main match. |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3965 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3966 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3967 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
|
3968 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3969 if (to->in_use < from->in_use) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3970 to->in_use = from->in_use; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3971 if (from->in_use > 1) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3972 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3973 /* Copy the match start and end positions. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3974 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3975 mch_memmove(&to->list.multi[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3976 &from->list.multi[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3977 sizeof(struct multipos) * (from->in_use - 1)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3978 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3979 mch_memmove(&to->list.line[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3980 &from->list.line[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3981 sizeof(struct linepos) * (from->in_use - 1)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3982 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3983 } |
4444 | 3984 |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3985 /* |
5372 | 3986 * Like copy_sub() but only do the end of the main match if \ze is present. |
3987 */ | |
3988 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3989 copy_ze_off(regsub_T *to, regsub_T *from) |
5372 | 3990 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3991 if (rex.nfa_has_zend) |
5372 | 3992 { |
3993 if (REG_MULTI) | |
3994 { | |
6547 | 3995 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
|
3996 { |
6547 | 3997 to->list.multi[0].end_lnum = from->list.multi[0].end_lnum; |
3998 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
|
3999 } |
5372 | 4000 } |
4001 else | |
4002 { | |
4003 if (from->list.line[0].end != NULL) | |
4004 to->list.line[0].end = from->list.line[0].end; | |
4005 } | |
4006 } | |
4007 } | |
4008 | |
4009 /* | |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4010 * Return TRUE if "sub1" and "sub2" have the same start positions. |
5893 | 4011 * 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
|
4012 */ |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4013 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4014 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
|
4015 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4016 int i; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4017 int todo; |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4018 linenr_T s1; |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4019 linenr_T s2; |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4020 char_u *sp1; |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4021 char_u *sp2; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4022 |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4023 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
|
4024 if (REG_MULTI) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4025 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4026 for (i = 0; i < todo; ++i) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4027 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4028 if (i < sub1->in_use) |
6547 | 4029 s1 = sub1->list.multi[i].start_lnum; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4030 else |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4031 s1 = -1; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4032 if (i < sub2->in_use) |
6547 | 4033 s2 = sub2->list.multi[i].start_lnum; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4034 else |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4035 s2 = -1; |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4036 if (s1 != s2) |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4037 return FALSE; |
6547 | 4038 if (s1 != -1 && sub1->list.multi[i].start_col |
4039 != sub2->list.multi[i].start_col) | |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4040 return FALSE; |
5893 | 4041 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4042 if (rex.nfa_has_backref) |
5893 | 4043 { |
4044 if (i < sub1->in_use) | |
6547 | 4045 s1 = sub1->list.multi[i].end_lnum; |
5893 | 4046 else |
4047 s1 = -1; | |
4048 if (i < sub2->in_use) | |
6547 | 4049 s2 = sub2->list.multi[i].end_lnum; |
5893 | 4050 else |
4051 s2 = -1; | |
4052 if (s1 != s2) | |
4053 return FALSE; | |
6547 | 4054 if (s1 != -1 && sub1->list.multi[i].end_col |
4055 != sub2->list.multi[i].end_col) | |
5893 | 4056 return FALSE; |
4057 } | |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4058 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4059 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4060 else |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4061 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4062 for (i = 0; i < todo; ++i) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4063 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4064 if (i < sub1->in_use) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4065 sp1 = sub1->list.line[i].start; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4066 else |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4067 sp1 = NULL; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4068 if (i < sub2->in_use) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4069 sp2 = sub2->list.line[i].start; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4070 else |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4071 sp2 = NULL; |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4072 if (sp1 != sp2) |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4073 return FALSE; |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4074 if (rex.nfa_has_backref) |
5893 | 4075 { |
4076 if (i < sub1->in_use) | |
4077 sp1 = sub1->list.line[i].end; | |
4078 else | |
4079 sp1 = NULL; | |
4080 if (i < sub2->in_use) | |
4081 sp2 = sub2->list.line[i].end; | |
4082 else | |
4083 sp2 = NULL; | |
4084 if (sp1 != sp2) | |
4085 return FALSE; | |
4086 } | |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4087 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4088 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4089 |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4090 return TRUE; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4091 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4092 |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4093 #ifdef ENABLE_LOG |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4094 static void |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4095 report_state(char *action, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4096 regsub_T *sub, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4097 nfa_state_T *state, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4098 int lid, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4099 nfa_pim_T *pim) |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4100 { |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4101 int col; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4102 |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4103 if (sub->in_use <= 0) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4104 col = -1; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4105 else if (REG_MULTI) |
6547 | 4106 col = sub->list.multi[0].start_col; |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4107 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4108 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
|
4109 nfa_set_code(state->c); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4110 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
|
4111 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
|
4112 pim_info(pim)); |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4113 } |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4114 #endif |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4115 |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4116 /* |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4117 * 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
|
4118 * positions as "subs". |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4119 */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4120 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4121 has_state_with_pos( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4122 nfa_list_T *l, /* runtime state list */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4123 nfa_state_T *state, /* state to update */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4124 regsubs_T *subs, /* pointers to subexpressions */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4125 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
|
4126 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4127 nfa_thread_T *thread; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4128 int i; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4129 |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4130 for (i = 0; i < l->n; ++i) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4131 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4132 thread = &l->t[i]; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4133 if (thread->state->id == state->id |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4134 && sub_equal(&thread->subs.norm, &subs->norm) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4135 #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
|
4136 && (!rex.nfa_has_zsubexpr |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4137 || sub_equal(&thread->subs.synt, &subs->synt)) |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4138 #endif |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4139 && pim_equal(&thread->pim, pim)) |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4140 return TRUE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4141 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4142 return FALSE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4143 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4144 |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4145 /* |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4146 * 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
|
4147 * set. |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4148 */ |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4149 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4150 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
|
4151 { |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4152 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
|
4153 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
|
4154 |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4155 if (one_unused) |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4156 /* one is unused: equal when two is also unused */ |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4157 return two_unused; |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4158 if (two_unused) |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4159 /* one is used and two is not: not equal */ |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4160 return FALSE; |
5298 | 4161 /* compare the state id */ |
4162 if (one->state->id != two->state->id) | |
4163 return FALSE; | |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4164 /* compare the position */ |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4165 if (REG_MULTI) |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4166 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
|
4167 && one->end.pos.col == two->end.pos.col; |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4168 return one->end.ptr == two->end.ptr; |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4169 } |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4170 |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4171 /* |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4172 * 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
|
4173 */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4174 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4175 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
|
4176 { |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4177 nfa_state_T *state = startstate; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4178 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4179 /* avoid too much recursion */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4180 if (depth > 10) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4181 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4182 |
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4183 while (state != NULL) |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4184 { |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4185 switch (state->c) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4186 { |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4187 case NFA_MATCH: |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4188 case NFA_MCLOSE: |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4189 case NFA_END_INVISIBLE: |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4190 case NFA_END_INVISIBLE_NEG: |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4191 case NFA_END_PATTERN: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4192 return TRUE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4193 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4194 case NFA_SPLIT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4195 return match_follows(state->out, depth + 1) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4196 || match_follows(state->out1, depth + 1); |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4197 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4198 case NFA_START_INVISIBLE: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4199 case NFA_START_INVISIBLE_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4200 case NFA_START_INVISIBLE_BEFORE: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4201 case NFA_START_INVISIBLE_BEFORE_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4202 case NFA_START_INVISIBLE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4203 case NFA_START_INVISIBLE_NEG_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4204 case NFA_START_INVISIBLE_BEFORE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4205 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4206 case NFA_COMPOSING: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4207 /* skip ahead to next state */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4208 state = state->out1->out; |
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4209 continue; |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4210 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4211 case NFA_ANY: |
5901 | 4212 case NFA_ANY_COMPOSING: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4213 case NFA_IDENT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4214 case NFA_SIDENT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4215 case NFA_KWORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4216 case NFA_SKWORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4217 case NFA_FNAME: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4218 case NFA_SFNAME: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4219 case NFA_PRINT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4220 case NFA_SPRINT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4221 case NFA_WHITE: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4222 case NFA_NWHITE: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4223 case NFA_DIGIT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4224 case NFA_NDIGIT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4225 case NFA_HEX: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4226 case NFA_NHEX: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4227 case NFA_OCTAL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4228 case NFA_NOCTAL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4229 case NFA_WORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4230 case NFA_NWORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4231 case NFA_HEAD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4232 case NFA_NHEAD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4233 case NFA_ALPHA: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4234 case NFA_NALPHA: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4235 case NFA_LOWER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4236 case NFA_NLOWER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4237 case NFA_UPPER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4238 case NFA_NUPPER: |
5296 | 4239 case NFA_LOWER_IC: |
4240 case NFA_NLOWER_IC: | |
4241 case NFA_UPPER_IC: | |
4242 case NFA_NUPPER_IC: | |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4243 case NFA_START_COLL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4244 case NFA_START_NEG_COLL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4245 case NFA_NEWL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4246 /* state will advance input */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4247 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4248 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4249 default: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4250 if (state->c > 0) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4251 /* state will advance input */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4252 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4253 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4254 /* Others: zero-width or possibly zero-width, might still find |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4255 * a match at the same position, keep looking. */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4256 break; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4257 } |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4258 state = state->out; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4259 } |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4260 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4261 } |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4262 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4263 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4264 /* |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4265 * 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
|
4266 */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4267 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4268 state_in_list( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4269 nfa_list_T *l, /* runtime state list */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4270 nfa_state_T *state, /* state to update */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4271 regsubs_T *subs) /* pointers to subexpressions */ |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4272 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4273 if (state->lastlist[nfa_ll_index] == l->id) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4274 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4275 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
|
4276 return TRUE; |
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 return FALSE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4279 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4280 |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4281 /* Offset used for "off" by addstate_here(). */ |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4282 #define ADDSTATE_HERE_OFFSET 10 |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4283 |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4284 /* |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4285 * 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
|
4286 * Returns "subs_arg", possibly copied into temp_subs. |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4287 */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4288 static regsubs_T * |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4289 addstate( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4290 nfa_list_T *l, /* runtime state list */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4291 nfa_state_T *state, /* state to update */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4292 regsubs_T *subs_arg, /* pointers to subexpressions */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4293 nfa_pim_T *pim, /* postponed look-behind match */ |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4294 int off_arg) /* byte offset, when -1 go to next line */ |
4444 | 4295 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4296 int subidx; |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4297 int off = off_arg; |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4298 int add_here = FALSE; |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4299 int listindex = 0; |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4300 int k; |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4301 int found = FALSE; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4302 nfa_thread_T *thread; |
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4303 struct multipos save_multipos; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4304 int save_in_use; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4305 char_u *save_ptr; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4306 int i; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4307 regsub_T *sub; |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4308 regsubs_T *subs = subs_arg; |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4309 static regsubs_T temp_subs; |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4310 #ifdef ENABLE_LOG |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4311 int did_print = FALSE; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4312 #endif |
4444 | 4313 |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4314 if (off_arg <= -ADDSTATE_HERE_OFFSET) |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4315 { |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4316 add_here = TRUE; |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4317 off = 0; |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4318 listindex = -(off_arg + ADDSTATE_HERE_OFFSET); |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4319 } |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4320 |
4444 | 4321 switch (state->c) |
4322 { | |
4323 case NFA_NCLOSE: | |
4324 case NFA_MCLOSE: | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4325 case NFA_MCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4326 case NFA_MCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4327 case NFA_MCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4328 case NFA_MCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4329 case NFA_MCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4330 case NFA_MCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4331 case NFA_MCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4332 case NFA_MCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4333 case NFA_MCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4334 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4335 case NFA_ZCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4336 case NFA_ZCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4337 case NFA_ZCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4338 case NFA_ZCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4339 case NFA_ZCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4340 case NFA_ZCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4341 case NFA_ZCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4342 case NFA_ZCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4343 case NFA_ZCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4344 case NFA_ZCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4345 #endif |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4346 case NFA_MOPEN: |
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4347 case NFA_ZEND: |
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4348 case NFA_SPLIT: |
5370 | 4349 case NFA_EMPTY: |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4350 /* These nodes are not added themselves but their "out" and/or |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4351 * "out1" may be added below. */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4352 break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4353 |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4354 case NFA_BOL: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4355 case NFA_BOF: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4356 /* "^" won't match past end-of-line, don't bother trying. |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4357 * Except when at the end of the line, or when we are going to the |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4358 * 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
|
4359 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
|
4360 && *rex.input != NUL |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4361 && (nfa_endp == NULL |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4362 || !REG_MULTI |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4363 || 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
|
4364 goto skip_add; |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4365 /* FALLTHROUGH */ |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4366 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4367 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4368 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4369 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4370 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4371 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4372 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4373 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4374 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4375 case NFA_MOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4376 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4377 case NFA_ZOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4378 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4379 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4380 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4381 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4382 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4383 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4384 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4385 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4386 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4387 #endif |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4388 case NFA_NOPEN: |
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4389 case NFA_ZSTART: |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4390 /* These nodes need to be added so that we can bail out when it |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4391 * was added to this list before at the same position to avoid an |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4392 * endless loop for "\(\)*" */ |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4393 |
4444 | 4394 default: |
5502 | 4395 if (state->lastlist[nfa_ll_index] == l->id && state->c != NFA_SKIP) |
4444 | 4396 { |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4397 /* This state is already in the list, don't add it again, |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4398 * unless it is an MOPEN that is used for a backreference or |
5895 | 4399 * when there is a PIM. For NFA_MATCH check the position, |
4400 * 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
|
4401 if (!rex.nfa_has_backref && pim == NULL && !l->has_pim |
5895 | 4402 && state->c != NFA_MATCH) |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4403 { |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4404 /* When called from addstate_here() do insert before |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4405 * existing states. */ |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4406 if (add_here) |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4407 { |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4408 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
|
4409 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
|
4410 { |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4411 found = TRUE; |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4412 break; |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4413 } |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4414 } |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4415 if (!add_here || found) |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4416 { |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4417 skip_add: |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4418 #ifdef ENABLE_LOG |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4419 nfa_set_code(state->c); |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4420 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
|
4421 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
|
4422 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
|
4423 #endif |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4424 return subs; |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4425 } |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4426 } |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4427 |
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4428 /* Do not add the state again when it exists with the same |
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4429 * positions. */ |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4430 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
|
4431 goto skip_add; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4432 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4433 |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4434 /* When there are backreferences or PIMs the number of states may |
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4435 * be (a lot) bigger than anticipated. */ |
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4436 if (l->n == l->len) |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4437 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4438 int newlen = l->len * 3 / 2 + 50; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4439 |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4440 if (subs != &temp_subs) |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4441 { |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4442 /* "subs" may point into the current array, need to make a |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4443 * copy before it becomes invalid. */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4444 copy_sub(&temp_subs.norm, &subs->norm); |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4445 #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
|
4446 if (rex.nfa_has_zsubexpr) |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4447 copy_sub(&temp_subs.synt, &subs->synt); |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4448 #endif |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4449 subs = &temp_subs; |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4450 } |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4451 |
6594 | 4452 /* TODO: check for vim_realloc() returning NULL. */ |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4453 l->t = vim_realloc(l->t, newlen * sizeof(nfa_thread_T)); |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4454 l->len = newlen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4455 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4456 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4457 /* add the state to the list */ |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4458 state->lastlist[nfa_ll_index] = l->id; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4459 thread = &l->t[l->n++]; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4460 thread->state = state; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4461 if (pim == NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4462 thread->pim.result = NFA_PIM_UNUSED; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4463 else |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4464 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4465 copy_pim(&thread->pim, pim); |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4466 l->has_pim = TRUE; |
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4467 } |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4468 copy_sub(&thread->subs.norm, &subs->norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4469 #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
|
4470 if (rex.nfa_has_zsubexpr) |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4471 copy_sub(&thread->subs.synt, &subs->synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4472 #endif |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4473 #ifdef ENABLE_LOG |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4474 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
|
4475 did_print = TRUE; |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4476 #endif |
4444 | 4477 } |
4478 | |
4479 #ifdef ENABLE_LOG | |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4480 if (!did_print) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4481 report_state("Processing", &subs->norm, state, l->id, pim); |
4444 | 4482 #endif |
4483 switch (state->c) | |
4484 { | |
4485 case NFA_MATCH: | |
4486 break; | |
4487 | |
4488 case NFA_SPLIT: | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4489 /* order matters here */ |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4490 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
|
4491 subs = addstate(l, state->out1, subs, pim, off_arg); |
4444 | 4492 break; |
4493 | |
5370 | 4494 case NFA_EMPTY: |
4444 | 4495 case NFA_NOPEN: |
4496 case NFA_NCLOSE: | |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4497 subs = addstate(l, state->out, subs, pim, off_arg); |
4444 | 4498 break; |
4499 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4500 case NFA_MOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4501 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4502 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4503 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4504 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4505 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4506 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4507 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4508 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4509 case NFA_MOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4510 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4511 case NFA_ZOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4512 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4513 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4514 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4515 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4516 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4517 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4518 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4519 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4520 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4521 #endif |
4444 | 4522 case NFA_ZSTART: |
4523 if (state->c == NFA_ZSTART) | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4524 { |
4444 | 4525 subidx = 0; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4526 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4527 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4528 #ifdef FEAT_SYN_HL |
5300 | 4529 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
|
4530 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4531 subidx = state->c - NFA_ZOPEN; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4532 sub = &subs->synt; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4533 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4534 #endif |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4535 else |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4536 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4537 subidx = state->c - NFA_MOPEN; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4538 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4539 } |
4444 | 4540 |
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4541 /* avoid compiler warnings */ |
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4542 save_ptr = NULL; |
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4543 vim_memset(&save_multipos, 0, sizeof(save_multipos)); |
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4544 |
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4545 /* Set the position (with "off" added) in the subexpression. Save |
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4546 * and restore it when it was in use. Otherwise fill any gap. */ |
4444 | 4547 if (REG_MULTI) |
4548 { | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4549 if (subidx < sub->in_use) |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4550 { |
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4551 save_multipos = sub->list.multi[subidx]; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4552 save_in_use = -1; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4553 } |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4554 else |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4555 { |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4556 save_in_use = sub->in_use; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4557 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
|
4558 { |
6547 | 4559 sub->list.multi[i].start_lnum = -1; |
4560 sub->list.multi[i].end_lnum = -1; | |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4561 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4562 sub->in_use = subidx + 1; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4563 } |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4564 if (off == -1) |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4565 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4566 sub->list.multi[subidx].start_lnum = rex.lnum + 1; |
6547 | 4567 sub->list.multi[subidx].start_col = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4568 } |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4569 else |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4570 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4571 sub->list.multi[subidx].start_lnum = rex.lnum; |
6547 | 4572 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
|
4573 (colnr_T)(rex.input - rex.line + off); |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4574 } |
7152
cbdc02d71a18
commit https://github.com/vim/vim/commit/c2b717ebd6719e722dcb5f10e4c74033a53ff7c7
Christian Brabandt <cb@256bit.org>
parents:
6914
diff
changeset
|
4575 sub->list.multi[subidx].end_lnum = -1; |
4444 | 4576 } |
4577 else | |
4578 { | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4579 if (subidx < sub->in_use) |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4580 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4581 save_ptr = sub->list.line[subidx].start; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4582 save_in_use = -1; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4583 } |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4584 else |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4585 { |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4586 save_in_use = sub->in_use; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4587 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
|
4588 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4589 sub->list.line[i].start = NULL; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4590 sub->list.line[i].end = NULL; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4591 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4592 sub->in_use = subidx + 1; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4593 } |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4594 sub->list.line[subidx].start = rex.input + off; |
4444 | 4595 } |
4596 | |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4597 subs = addstate(l, state->out, subs, pim, off_arg); |
5300 | 4598 /* "subs" may have changed, need to set "sub" again */ |
4599 #ifdef FEAT_SYN_HL | |
4600 if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9) | |
4601 sub = &subs->synt; | |
4602 else | |
4603 #endif | |
4604 sub = &subs->norm; | |
4444 | 4605 |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4606 if (save_in_use == -1) |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4607 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4608 if (REG_MULTI) |
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4609 sub->list.multi[subidx] = save_multipos; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4610 else |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4611 sub->list.line[subidx].start = save_ptr; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4612 } |
4444 | 4613 else |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4614 sub->in_use = save_in_use; |
4444 | 4615 break; |
4616 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4617 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
|
4618 if (rex.nfa_has_zend && (REG_MULTI |
6547 | 4619 ? subs->norm.list.multi[0].end_lnum >= 0 |
5336 | 4620 : subs->norm.list.line[0].end != NULL)) |
4444 | 4621 { |
5336 | 4622 /* 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
|
4623 subs = addstate(l, state->out, subs, pim, off_arg); |
4444 | 4624 break; |
4625 } | |
12674
e769c912fcd9
patch 8.0.1215: newer gcc warns for implicit fallthrough
Christian Brabandt <cb@256bit.org>
parents:
11896
diff
changeset
|
4626 /* FALLTHROUGH */ |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4627 case NFA_MCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4628 case NFA_MCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4629 case NFA_MCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4630 case NFA_MCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4631 case NFA_MCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4632 case NFA_MCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4633 case NFA_MCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4634 case NFA_MCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4635 case NFA_MCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4636 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4637 case NFA_ZCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4638 case NFA_ZCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4639 case NFA_ZCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4640 case NFA_ZCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4641 case NFA_ZCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4642 case NFA_ZCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4643 case NFA_ZCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4644 case NFA_ZCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4645 case NFA_ZCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4646 case NFA_ZCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4647 #endif |
4444 | 4648 case NFA_ZEND: |
4649 if (state->c == NFA_ZEND) | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4650 { |
4444 | 4651 subidx = 0; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4652 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4653 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4654 #ifdef FEAT_SYN_HL |
5300 | 4655 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
|
4656 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4657 subidx = state->c - NFA_ZCLOSE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4658 sub = &subs->synt; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4659 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4660 #endif |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4661 else |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4662 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4663 subidx = state->c - NFA_MCLOSE; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4664 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4665 } |
4444 | 4666 |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4667 /* We don't fill in gaps here, there must have been an MOPEN that |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4668 * has done that. */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4669 save_in_use = sub->in_use; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4670 if (sub->in_use <= subidx) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4671 sub->in_use = subidx + 1; |
4444 | 4672 if (REG_MULTI) |
4673 { | |
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4674 save_multipos = sub->list.multi[subidx]; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4675 if (off == -1) |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4676 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4677 sub->list.multi[subidx].end_lnum = rex.lnum + 1; |
6547 | 4678 sub->list.multi[subidx].end_col = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4679 } |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4680 else |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4681 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4682 sub->list.multi[subidx].end_lnum = rex.lnum; |
6547 | 4683 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
|
4684 (colnr_T)(rex.input - rex.line + off); |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4685 } |
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4686 /* avoid compiler warnings */ |
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4687 save_ptr = NULL; |
4444 | 4688 } |
4689 else | |
4690 { | |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4691 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
|
4692 sub->list.line[subidx].end = rex.input + off; |
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4693 /* avoid compiler warnings */ |
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4694 vim_memset(&save_multipos, 0, sizeof(save_multipos)); |
4444 | 4695 } |
4696 | |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4697 subs = addstate(l, state->out, subs, pim, off_arg); |
5300 | 4698 /* "subs" may have changed, need to set "sub" again */ |
4699 #ifdef FEAT_SYN_HL | |
4700 if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9) | |
4701 sub = &subs->synt; | |
4702 else | |
4703 #endif | |
4704 sub = &subs->norm; | |
4444 | 4705 |
4706 if (REG_MULTI) | |
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4707 sub->list.multi[subidx] = save_multipos; |
4444 | 4708 else |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4709 sub->list.line[subidx].end = save_ptr; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4710 sub->in_use = save_in_use; |
4444 | 4711 break; |
4712 } | |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4713 return subs; |
4444 | 4714 } |
4715 | |
4716 /* | |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4717 * 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
|
4718 * 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
|
4719 * 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
|
4720 * matters for alternatives. |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4721 */ |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4722 static void |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4723 addstate_here( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4724 nfa_list_T *l, /* runtime state list */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4725 nfa_state_T *state, /* state to update */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4726 regsubs_T *subs, /* pointers to subexpressions */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4727 nfa_pim_T *pim, /* postponed look-behind match */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4728 int *ip) |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4729 { |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4730 int tlen = l->n; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4731 int count; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4732 int listidx = *ip; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4733 |
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4734 /* First add the state(s) at the end, so that we know how many there are. |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4735 * Pass the listidx as offset (avoids adding another argument to |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4736 * addstate(). */ |
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4737 addstate(l, state, subs, pim, -listidx - ADDSTATE_HERE_OFFSET); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4738 |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4739 /* 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
|
4740 if (listidx + 1 == tlen) |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4741 return; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4742 |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4743 /* re-order to put the new state at the current position */ |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4744 count = l->n - tlen; |
4924
6ae32a64e153
updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents:
4897
diff
changeset
|
4745 if (count == 0) |
6ae32a64e153
updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents:
4897
diff
changeset
|
4746 return; /* no state got added */ |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4747 if (count == 1) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4748 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4749 /* overwrite the current state */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4750 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
|
4751 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4752 else if (count > 1) |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4753 { |
5058
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4754 if (l->n + count - 1 >= l->len) |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4755 { |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4756 /* not enough space to move the new states, reallocate the list |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4757 * and move the states to the right position */ |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4758 nfa_thread_T *newl; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4759 |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4760 l->len = l->len * 3 / 2 + 50; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4761 newl = (nfa_thread_T *)alloc(l->len * sizeof(nfa_thread_T)); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4762 if (newl == NULL) |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4763 return; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4764 mch_memmove(&(newl[0]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4765 &(l->t[0]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4766 sizeof(nfa_thread_T) * listidx); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4767 mch_memmove(&(newl[listidx]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4768 &(l->t[l->n - count]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4769 sizeof(nfa_thread_T) * count); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4770 mch_memmove(&(newl[listidx + count]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4771 &(l->t[listidx + 1]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4772 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
|
4773 vim_free(l->t); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4774 l->t = newl; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4775 } |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4776 else |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4777 { |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4778 /* make space for new states, then move them from the |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4779 * end to the current position */ |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4780 mch_memmove(&(l->t[listidx + count]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4781 &(l->t[listidx + 1]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4782 sizeof(nfa_thread_T) * (l->n - listidx - 1)); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4783 mch_memmove(&(l->t[listidx]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4784 &(l->t[l->n - 1]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4785 sizeof(nfa_thread_T) * count); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4786 } |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4787 } |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4788 --l->n; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4789 *ip = listidx - 1; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4790 } |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4791 |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4792 /* |
4444 | 4793 * Check character class "class" against current character c. |
4794 */ | |
4795 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4796 check_char_class(int class, int c) |
4444 | 4797 { |
4798 switch (class) | |
4799 { | |
4800 case NFA_CLASS_ALNUM: | |
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4801 if (c >= 1 && c < 128 && isalnum(c)) |
4444 | 4802 return OK; |
4803 break; | |
4804 case NFA_CLASS_ALPHA: | |
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4805 if (c >= 1 && c < 128 && isalpha(c)) |
4444 | 4806 return OK; |
4807 break; | |
4808 case NFA_CLASS_BLANK: | |
4809 if (c == ' ' || c == '\t') | |
4810 return OK; | |
4811 break; | |
4812 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
|
4813 if (c >= 1 && c <= 127 && iscntrl(c)) |
4444 | 4814 return OK; |
4815 break; | |
4816 case NFA_CLASS_DIGIT: | |
4817 if (VIM_ISDIGIT(c)) | |
4818 return OK; | |
4819 break; | |
4820 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
|
4821 if (c >= 1 && c <= 127 && isgraph(c)) |
4444 | 4822 return OK; |
4823 break; | |
4824 case NFA_CLASS_LOWER: | |
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4825 if (MB_ISLOWER(c) && c != 170 && c != 186) |
4444 | 4826 return OK; |
4827 break; | |
4828 case NFA_CLASS_PRINT: | |
4829 if (vim_isprintc(c)) | |
4830 return OK; | |
4831 break; | |
4832 case NFA_CLASS_PUNCT: | |
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4833 if (c >= 1 && c < 128 && ispunct(c)) |
4444 | 4834 return OK; |
4835 break; | |
4836 case NFA_CLASS_SPACE: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4837 if ((c >= 9 && c <= 13) || (c == ' ')) |
4444 | 4838 return OK; |
4839 break; | |
4840 case NFA_CLASS_UPPER: | |
4841 if (MB_ISUPPER(c)) | |
4842 return OK; | |
4843 break; | |
4844 case NFA_CLASS_XDIGIT: | |
4845 if (vim_isxdigit(c)) | |
4846 return OK; | |
4847 break; | |
4848 case NFA_CLASS_TAB: | |
4849 if (c == '\t') | |
4850 return OK; | |
4851 break; | |
4852 case NFA_CLASS_RETURN: | |
4853 if (c == '\r') | |
4854 return OK; | |
4855 break; | |
4856 case NFA_CLASS_BACKSPACE: | |
4857 if (c == '\b') | |
4858 return OK; | |
4859 break; | |
4860 case NFA_CLASS_ESCAPE: | |
4861 if (c == '\033') | |
4862 return OK; | |
4863 break; | |
15709
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4864 case NFA_CLASS_IDENT: |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4865 if (vim_isIDc(c)) |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4866 return OK; |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4867 break; |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4868 case NFA_CLASS_KEYWORD: |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4869 if (reg_iswordc(c)) |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4870 return OK; |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4871 break; |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4872 case NFA_CLASS_FNAME: |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4873 if (vim_isfilec(c)) |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4874 return OK; |
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4875 break; |
4444 | 4876 |
4877 default: | |
4878 /* should not be here :P */ | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
4879 siemsg(_(e_ill_char_class), class); |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
4880 return FAIL; |
4444 | 4881 } |
4882 return FAIL; | |
4883 } | |
4884 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4885 /* |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4886 * Check for a match with subexpression "subidx". |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4887 * Return TRUE if it matches. |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4888 */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4889 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4890 match_backref( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4891 regsub_T *sub, /* pointers to subexpressions */ |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4892 int subidx, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4893 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
|
4894 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4895 int len; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4896 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4897 if (sub->in_use <= subidx) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4898 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4899 retempty: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4900 /* backref was not set, match an empty string */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4901 *bytelen = 0; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4902 return TRUE; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4903 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4904 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4905 if (REG_MULTI) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4906 { |
6547 | 4907 if (sub->list.multi[subidx].start_lnum < 0 |
4908 || sub->list.multi[subidx].end_lnum < 0) | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4909 goto retempty; |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4910 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
|
4911 && 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
|
4912 { |
6547 | 4913 len = sub->list.multi[subidx].end_col |
4914 - 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
|
4915 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
|
4916 rex.input, &len) == 0) |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4917 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4918 *bytelen = len; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4919 return TRUE; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4920 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4921 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4922 else |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4923 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4924 if (match_with_backref( |
6547 | 4925 sub->list.multi[subidx].start_lnum, |
4926 sub->list.multi[subidx].start_col, | |
4927 sub->list.multi[subidx].end_lnum, | |
4928 sub->list.multi[subidx].end_col, | |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4929 bytelen) == RA_MATCH) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4930 return TRUE; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4931 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4932 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4933 else |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4934 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4935 if (sub->list.line[subidx].start == NULL |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4936 || sub->list.line[subidx].end == NULL) |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4937 goto retempty; |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4938 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
|
4939 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
|
4940 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4941 *bytelen = len; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4942 return TRUE; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4943 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4944 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4945 return FALSE; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4946 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4947 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4948 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4949 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4950 /* |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4951 * Check for a match with \z subexpression "subidx". |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4952 * Return TRUE if it matches. |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4953 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4954 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4955 match_zref( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4956 int subidx, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4957 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
|
4958 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4959 int len; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4960 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4961 cleanup_zsubexpr(); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4962 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
|
4963 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4964 /* backref was not set, match an empty string */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4965 *bytelen = 0; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4966 return TRUE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4967 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4968 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4969 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
|
4970 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
|
4971 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4972 *bytelen = len; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4973 return TRUE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4974 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4975 return FALSE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4976 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4977 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4978 |
4444 | 4979 /* |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4980 * 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
|
4981 * Also reset the IDs to zero. |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4982 * Only used for the recursive value lastlist[1]. |
4444 | 4983 */ |
4984 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4985 nfa_save_listids(nfa_regprog_T *prog, int *list) |
4444 | 4986 { |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4987 int i; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4988 nfa_state_T *p; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4989 |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4990 /* Order in the list is reverse, it's a bit faster that way. */ |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4991 p = &prog->state[0]; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4992 for (i = prog->nstate; --i >= 0; ) |
4444 | 4993 { |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4994 list[i] = p->lastlist[1]; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4995 p->lastlist[1] = 0; |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4996 ++p; |
4444 | 4997 } |
4998 } | |
4999 | |
5000 /* | |
5001 * Restore list IDs from "list" to all NFA states. | |
5002 */ | |
5003 static void | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5004 nfa_restore_listids(nfa_regprog_T *prog, int *list) |
4444 | 5005 { |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5006 int i; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5007 nfa_state_T *p; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5008 |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5009 p = &prog->state[0]; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5010 for (i = prog->nstate; --i >= 0; ) |
4444 | 5011 { |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5012 p->lastlist[1] = list[i]; |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5013 ++p; |
4444 | 5014 } |
5015 } | |
5016 | |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5017 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5018 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
|
5019 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5020 if (op == 1) return pos > val; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5021 if (op == 2) return pos < val; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5022 return val == pos; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5023 } |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5024 |
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
5025 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
|
5026 |
4444 | 5027 /* |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5028 * Recursively call nfa_regmatch() |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5029 * "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
|
5030 * position). |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5031 */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5032 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5033 recursive_regmatch( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5034 nfa_state_T *state, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5035 nfa_pim_T *pim, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5036 nfa_regprog_T *prog, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5037 regsubs_T *submatch, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5038 regsubs_T *m, |
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5039 int **listids, |
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5040 int *listids_len) |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5041 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5042 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
|
5043 int save_reglnum = rex.lnum; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5044 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
|
5045 int save_nfa_listid = rex.nfa_listid; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5046 save_se_T *save_nfa_endp = nfa_endp; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5047 save_se_T endpos; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5048 save_se_T *endposp = NULL; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5049 int result; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5050 int need_restore = FALSE; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5051 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5052 if (pim != NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5053 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5054 /* start at the position where the postponed match was */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5055 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
|
5056 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
|
5057 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5058 rex.input = pim->end.ptr; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5059 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5060 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5061 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
|
5062 || 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
|
5063 || 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
|
5064 || 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
|
5065 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5066 /* The recursive match must end at the current position. When "pim" is |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5067 * not NULL it specifies the current position. */ |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5068 endposp = &endpos; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5069 if (REG_MULTI) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5070 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5071 if (pim == NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5072 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5073 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
|
5074 endpos.se_u.pos.lnum = rex.lnum; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5075 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5076 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5077 endpos.se_u.pos = pim->end.pos; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5078 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5079 else |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5080 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5081 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
|
5082 endpos.se_u.ptr = rex.input; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5083 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5084 endpos.se_u.ptr = pim->end.ptr; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5085 } |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5086 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5087 /* Go back the specified number of bytes, or as far as the |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5088 * start of the previous line, to try matching "\@<=" or |
5188
fa76be660fa9
updated for version 7.4a.020
Bram Moolenaar <bram@vim.org>
parents:
5184
diff
changeset
|
5089 * not matching "\@<!". This is very inefficient, limit the number of |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
5090 * bytes if possible. */ |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5091 if (state->val <= 0) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5092 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5093 if (REG_MULTI) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5094 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5095 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
|
5096 if (rex.line == NULL) |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5097 /* 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
|
5098 rex.line = reg_getline(++rex.lnum); |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5099 } |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5100 rex.input = rex.line; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5101 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5102 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5103 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5104 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
|
5105 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5106 /* Not enough bytes in this line, go to end of |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5107 * previous line. */ |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5108 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
|
5109 if (rex.line == NULL) |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5110 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5111 /* 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
|
5112 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
|
5113 rex.input = rex.line; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5114 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5115 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5116 rex.input = rex.line + STRLEN(rex.line); |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5117 } |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5118 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
|
5119 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5120 rex.input -= state->val; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5121 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
|
5122 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
|
5123 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5124 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5125 rex.input = rex.line; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5126 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5127 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5128 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5129 #ifdef ENABLE_LOG |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5130 if (log_fd != stderr) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5131 fclose(log_fd); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5132 log_fd = NULL; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5133 #endif |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5134 /* Have to clear the lastlist field of the NFA nodes, so that |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5135 * nfa_regmatch() and addstate() can run properly after recursion. */ |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5136 if (nfa_ll_index == 1) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5137 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5138 /* Already calling nfa_regmatch() recursively. Save the lastlist[1] |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5139 * 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
|
5140 if (*listids == NULL || *listids_len < prog->nstate) |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5141 { |
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5142 vim_free(*listids); |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5143 *listids = (int *)lalloc(sizeof(int) * prog->nstate, TRUE); |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5144 if (*listids == NULL) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5145 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
5146 emsg(_("E878: (NFA) Could not allocate memory for branch traversal!")); |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5147 return 0; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5148 } |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5149 *listids_len = prog->nstate; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5150 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5151 nfa_save_listids(prog, *listids); |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5152 need_restore = TRUE; |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5153 /* 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
|
5154 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5155 else |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5156 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5157 /* First recursive nfa_regmatch() call, switch to the second lastlist |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5158 * entry. Make sure rex.nfa_listid is different from a previous |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5159 * 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
|
5160 ++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
|
5161 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
|
5162 rex.nfa_listid = rex.nfa_alt_listid; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5163 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5164 |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5165 /* Call nfa_regmatch() to check if the current concat matches at this |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5166 * 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
|
5167 nfa_endp = endposp; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5168 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
|
5169 |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5170 if (need_restore) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5171 nfa_restore_listids(prog, *listids); |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5172 else |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5173 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5174 --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
|
5175 rex.nfa_alt_listid = rex.nfa_listid; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5176 } |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5177 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5178 /* 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
|
5179 rex.lnum = save_reglnum; |
4877
9e36c6b1ebf4
updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents:
4845
diff
changeset
|
5180 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
|
5181 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
|
5182 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
|
5183 if (result != NFA_TOO_EXPENSIVE) |
3666915cac0b
commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
5184 { |
3666915cac0b
commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
5185 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
|
5186 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
|
5187 } |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5188 nfa_endp = save_nfa_endp; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5189 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5190 #ifdef ENABLE_LOG |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5191 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5192 if (log_fd != NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5193 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5194 fprintf(log_fd, "****************************\n"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5195 fprintf(log_fd, "FINISHED RUNNING nfa_regmatch() recursively\n"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5196 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : "FALSE"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5197 fprintf(log_fd, "****************************\n"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5198 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5199 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5200 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
5201 emsg(_(e_log_open_failed)); |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5202 log_fd = stderr; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5203 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5204 #endif |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5205 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5206 return result; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5207 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5208 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5209 /* |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5210 * 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
|
5211 * empty match: 0 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5212 * NFA_ANY: 1 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5213 * specific character: 99 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5214 */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5215 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5216 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
|
5217 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5218 int c = state->c; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5219 int l, r; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5220 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5221 /* detect looping */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5222 if (depth > 4) |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5223 return 1; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5224 |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5225 switch (c) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5226 { |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5227 case NFA_SPLIT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5228 if (state->out->c == NFA_SPLIT || state->out1->c == NFA_SPLIT) |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5229 /* avoid recursive stuff */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5230 return 1; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5231 /* two alternatives, use the lowest failure chance */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5232 l = failure_chance(state->out, depth + 1); |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5233 r = failure_chance(state->out1, depth + 1); |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5234 return l < r ? l : r; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5235 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5236 case NFA_ANY: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5237 /* matches anything, unlikely to fail */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5238 return 1; |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5239 |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5240 case NFA_MATCH: |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5241 case NFA_MCLOSE: |
5901 | 5242 case NFA_ANY_COMPOSING: |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5243 /* empty match works always */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5244 return 0; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5245 |
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5246 case NFA_START_INVISIBLE: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5247 case NFA_START_INVISIBLE_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5248 case NFA_START_INVISIBLE_NEG: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5249 case NFA_START_INVISIBLE_NEG_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5250 case NFA_START_INVISIBLE_BEFORE: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5251 case NFA_START_INVISIBLE_BEFORE_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5252 case NFA_START_INVISIBLE_BEFORE_NEG: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5253 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5254 case NFA_START_PATTERN: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5255 /* recursive regmatch is expensive, use low failure chance */ |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5256 return 5; |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5257 |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5258 case NFA_BOL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5259 case NFA_EOL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5260 case NFA_BOF: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5261 case NFA_EOF: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5262 case NFA_NEWL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5263 return 99; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5264 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5265 case NFA_BOW: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5266 case NFA_EOW: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5267 return 90; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5268 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5269 case NFA_MOPEN: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5270 case NFA_MOPEN1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5271 case NFA_MOPEN2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5272 case NFA_MOPEN3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5273 case NFA_MOPEN4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5274 case NFA_MOPEN5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5275 case NFA_MOPEN6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5276 case NFA_MOPEN7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5277 case NFA_MOPEN8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5278 case NFA_MOPEN9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5279 #ifdef FEAT_SYN_HL |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5280 case NFA_ZOPEN: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5281 case NFA_ZOPEN1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5282 case NFA_ZOPEN2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5283 case NFA_ZOPEN3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5284 case NFA_ZOPEN4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5285 case NFA_ZOPEN5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5286 case NFA_ZOPEN6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5287 case NFA_ZOPEN7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5288 case NFA_ZOPEN8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5289 case NFA_ZOPEN9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5290 case NFA_ZCLOSE: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5291 case NFA_ZCLOSE1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5292 case NFA_ZCLOSE2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5293 case NFA_ZCLOSE3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5294 case NFA_ZCLOSE4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5295 case NFA_ZCLOSE5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5296 case NFA_ZCLOSE6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5297 case NFA_ZCLOSE7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5298 case NFA_ZCLOSE8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5299 case NFA_ZCLOSE9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5300 #endif |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5301 case NFA_NOPEN: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5302 case NFA_MCLOSE1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5303 case NFA_MCLOSE2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5304 case NFA_MCLOSE3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5305 case NFA_MCLOSE4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5306 case NFA_MCLOSE5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5307 case NFA_MCLOSE6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5308 case NFA_MCLOSE7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5309 case NFA_MCLOSE8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5310 case NFA_MCLOSE9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5311 case NFA_NCLOSE: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5312 return failure_chance(state->out, depth + 1); |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5313 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5314 case NFA_BACKREF1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5315 case NFA_BACKREF2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5316 case NFA_BACKREF3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5317 case NFA_BACKREF4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5318 case NFA_BACKREF5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5319 case NFA_BACKREF6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5320 case NFA_BACKREF7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5321 case NFA_BACKREF8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5322 case NFA_BACKREF9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5323 #ifdef FEAT_SYN_HL |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5324 case NFA_ZREF1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5325 case NFA_ZREF2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5326 case NFA_ZREF3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5327 case NFA_ZREF4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5328 case NFA_ZREF5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5329 case NFA_ZREF6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5330 case NFA_ZREF7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5331 case NFA_ZREF8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5332 case NFA_ZREF9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5333 #endif |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5334 /* backreferences don't match in many places */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5335 return 94; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5336 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5337 case NFA_LNUM_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5338 case NFA_LNUM_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5339 case NFA_COL_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5340 case NFA_COL_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5341 case NFA_VCOL_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5342 case NFA_VCOL_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5343 case NFA_MARK_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5344 case NFA_MARK_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5345 case NFA_VISUAL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5346 /* before/after positions don't match very often */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5347 return 85; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5348 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5349 case NFA_LNUM: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5350 return 90; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5351 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5352 case NFA_CURSOR: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5353 case NFA_COL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5354 case NFA_VCOL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5355 case NFA_MARK: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5356 /* specific positions rarely match */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5357 return 98; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5358 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5359 case NFA_COMPOSING: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5360 return 95; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5361 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5362 default: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5363 if (c > 0) |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5364 /* character match fails often */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5365 return 95; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5366 } |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5367 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5368 /* something else, includes character classes */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5369 return 50; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5370 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5371 |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5372 /* |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5373 * 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
|
5374 */ |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5375 static int |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5376 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
|
5377 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5378 char_u *s; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5379 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5380 /* 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
|
5381 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
|
5382 s = vim_strbyte(rex.line + *colp, c); |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5383 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5384 s = cstrchr(rex.line + *colp, c); |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5385 if (s == NULL) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5386 return FAIL; |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5387 *colp = (int)(s - rex.line); |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5388 return OK; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5389 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5390 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5391 /* |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5392 * Check for a match with match_text. |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
5393 * 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
|
5394 * 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
|
5395 */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5396 static long |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5397 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
|
5398 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5399 colnr_T col = startcol; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5400 int c1, c2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5401 int len1, len2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5402 int match; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5403 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5404 for (;;) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5405 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5406 match = TRUE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5407 len2 = MB_CHAR2LEN(regstart); /* skip regstart */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5408 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
|
5409 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5410 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
|
5411 c2 = PTR2CHAR(rex.line + col + len2); |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
5412 if (c1 != c2 && (!rex.reg_ic || MB_TOLOWER(c1) != MB_TOLOWER(c2))) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5413 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5414 match = FALSE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5415 break; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5416 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5417 len2 += MB_CHAR2LEN(c2); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5418 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5419 if (match |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5420 /* check that no composing char follows */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5421 && !(enc_utf8 |
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15490
diff
changeset
|
5422 && utf_iscomposing(PTR2CHAR(rex.line + col + len2)))) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5423 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5424 cleanup_subexpr(); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5425 if (REG_MULTI) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5426 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5427 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
|
5428 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
|
5429 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
|
5430 rex.reg_endpos[0].col = col + len2; |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5431 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5432 else |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5433 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5434 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
|
5435 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
|
5436 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5437 return 1L; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5438 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5439 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5440 /* Try finding regstart after the current match. */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5441 col += MB_CHAR2LEN(regstart); /* skip regstart */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5442 if (skip_to_start(regstart, &col) == FAIL) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5443 break; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5444 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5445 return 0L; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5446 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5447 |
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5448 #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
|
5449 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
|
5450 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
|
5451 { |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5452 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
|
5453 { |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5454 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
|
5455 *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
|
5456 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
|
5457 } |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5458 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
|
5459 } |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5460 #endif |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5461 |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5462 /* |
4444 | 5463 * Main matching routine. |
5464 * | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5465 * Run NFA to determine whether it matches rex.input. |
4444 | 5466 * |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5467 * 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
|
5468 * |
4444 | 5469 * Return TRUE if there is a match, FALSE otherwise. |
5372 | 5470 * When there is a match "submatch" contains the positions. |
4444 | 5471 * Note: Caller must ensure that: start != NULL. |
5472 */ | |
5473 static int | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5474 nfa_regmatch( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5475 nfa_regprog_T *prog, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5476 nfa_state_T *start, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5477 regsubs_T *submatch, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5478 regsubs_T *m) |
4444 | 5479 { |
5480 int result; | |
6545 | 5481 size_t size = 0; |
4444 | 5482 int flag = 0; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5483 int go_to_nextline = FALSE; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5484 nfa_thread_T *t; |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5485 nfa_list_T list[2]; |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5486 int listidx; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5487 nfa_list_T *thislist; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5488 nfa_list_T *nextlist; |
4444 | 5489 int *listids = NULL; |
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5490 int listids_len = 0; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5491 nfa_state_T *add_state; |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5492 int add_here; |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5493 int add_count; |
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
5494 int add_off = 0; |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5495 int toplevel = start->c == NFA_MOPEN; |
4460 | 5496 #ifdef NFA_REGEXP_DEBUG_LOG |
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5497 FILE *debug; |
4444 | 5498 #endif |
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5499 |
5310 | 5500 /* Some patterns may take a long time to match, especially when using |
5501 * recursive_regmatch(). Allow interrupting them with CTRL-C. */ | |
5502 fast_breakcheck(); | |
5503 if (got_int) | |
5504 return FALSE; | |
6573 | 5505 #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
|
5506 if (nfa_did_time_out()) |
6573 | 5507 return FALSE; |
5508 #endif | |
5310 | 5509 |
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5510 #ifdef NFA_REGEXP_DEBUG_LOG |
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5511 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
|
5512 if (debug == NULL) |
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5513 { |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
5514 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
|
5515 return FALSE; |
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5516 } |
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5517 #endif |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5518 nfa_match = FALSE; |
4444 | 5519 |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
5520 /* 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
|
5521 size = (prog->nstate + 1) * sizeof(nfa_thread_T); |
6547 | 5522 |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5523 list[0].t = (nfa_thread_T *)lalloc(size, TRUE); |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5524 list[0].len = prog->nstate + 1; |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5525 list[1].t = (nfa_thread_T *)lalloc(size, TRUE); |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5526 list[1].len = prog->nstate + 1; |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5527 if (list[0].t == NULL || list[1].t == NULL) |
4444 | 5528 goto theend; |
5529 | |
5530 #ifdef ENABLE_LOG | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5531 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
4444 | 5532 if (log_fd != NULL) |
5533 { | |
5534 fprintf(log_fd, "**********************************\n"); | |
5535 nfa_set_code(start->c); | |
5536 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n", | |
5537 abs(start->id), code); | |
5538 fprintf(log_fd, "**********************************\n"); | |
5539 } | |
5540 else | |
5541 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
5542 emsg(_(e_log_open_failed)); |
4444 | 5543 log_fd = stderr; |
5544 } | |
5545 #endif | |
5546 | |
5547 thislist = &list[0]; | |
5548 thislist->n = 0; | |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5549 thislist->has_pim = FALSE; |
4444 | 5550 nextlist = &list[1]; |
5551 nextlist->n = 0; | |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5552 nextlist->has_pim = FALSE; |
4444 | 5553 #ifdef ENABLE_LOG |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5554 fprintf(log_fd, "(---) STARTSTATE first\n"); |
4444 | 5555 #endif |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5556 thislist->id = rex.nfa_listid + 1; |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5557 |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5558 /* Inline optimized code for addstate(thislist, start, m, 0) if we know |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5559 * it's the first MOPEN. */ |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5560 if (toplevel) |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5561 { |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5562 if (REG_MULTI) |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5563 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5564 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
|
5565 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
|
5566 } |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5567 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5568 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
|
5569 m->norm.in_use = 1; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5570 addstate(thislist, start->out, m, NULL, 0); |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5571 } |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5572 else |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5573 addstate(thislist, start, m, NULL, 0); |
4444 | 5574 |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5575 #define ADD_STATE_IF_MATCH(state) \ |
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5576 if (result) { \ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5577 add_state = state->out; \ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5578 add_off = clen; \ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5579 } |
4444 | 5580 |
5581 /* | |
5582 * Run for each character. | |
5583 */ | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5584 for (;;) |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5585 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5586 int curc; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5587 int clen; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5588 |
4444 | 5589 if (has_mbyte) |
5590 { | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5591 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
|
5592 clen = (*mb_ptr2len)(rex.input); |
4444 | 5593 } |
5594 else | |
5595 { | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5596 curc = *rex.input; |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5597 clen = 1; |
4444 | 5598 } |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5599 if (curc == NUL) |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5600 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5601 clen = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5602 go_to_nextline = FALSE; |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5603 } |
4444 | 5604 |
5605 /* swap lists */ | |
5606 thislist = &list[flag]; | |
5607 nextlist = &list[flag ^= 1]; | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5608 nextlist->n = 0; /* clear nextlist */ |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5609 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
|
5610 ++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
|
5611 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
|
5612 && (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
|
5613 # ifdef FEAT_EVAL |
4b59671bce9c
patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents:
14163
diff
changeset
|
5614 || 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
|
5615 # endif |
4b59671bce9c
patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents:
14163
diff
changeset
|
5616 )) |
6328 | 5617 { |
5618 /* too many states, retry with old engine */ | |
5619 nfa_match = NFA_TOO_EXPENSIVE; | |
5620 goto theend; | |
5621 } | |
5622 | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5623 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
|
5624 nextlist->id = rex.nfa_listid + 1; |
4444 | 5625 |
5626 #ifdef ENABLE_LOG | |
5627 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
|
5628 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
|
5629 fprintf(log_fd, ">>> Advanced one character... Current char is %c (code %d) \n", curc, (int)curc); |
4444 | 5630 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
|
5631 { |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5632 int i; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5633 |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5634 for (i = 0; i < thislist->n; i++) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5635 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
|
5636 } |
4444 | 5637 fprintf(log_fd, "\n"); |
5638 #endif | |
5639 | |
4460 | 5640 #ifdef NFA_REGEXP_DEBUG_LOG |
4444 | 5641 fprintf(debug, "\n-------------------\n"); |
5642 #endif | |
4480 | 5643 /* |
5644 * If the state lists are empty we can stop. | |
5645 */ | |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5646 if (thislist->n == 0) |
4480 | 5647 break; |
4444 | 5648 |
5649 /* compute nextlist */ | |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5650 for (listidx = 0; listidx < thislist->n; ++listidx) |
4444 | 5651 { |
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5652 /* If the list gets very long there probably is something wrong. |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5653 * At least allow interrupting with CTRL-C. */ |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5654 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
|
5655 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
|
5656 break; |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5657 #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
|
5658 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
|
5659 { |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5660 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
|
5661 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
|
5662 break; |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5663 } |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5664 #endif |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5665 t = &thislist->t[listidx]; |
4444 | 5666 |
4460 | 5667 #ifdef NFA_REGEXP_DEBUG_LOG |
4444 | 5668 nfa_set_code(t->state->c); |
5669 fprintf(debug, "%s, ", code); | |
5670 #endif | |
5671 #ifdef ENABLE_LOG | |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5672 { |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5673 int col; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5674 |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5675 if (t->subs.norm.in_use <= 0) |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5676 col = -1; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5677 else if (REG_MULTI) |
6547 | 5678 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
|
5679 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5680 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
|
5681 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
|
5682 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
|
5683 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
|
5684 pim_info(&t->pim)); |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5685 } |
4444 | 5686 #endif |
5687 | |
5688 /* | |
5689 * Handle the possible codes of the current state. | |
5690 * The most important is NFA_MATCH. | |
5691 */ | |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5692 add_state = NULL; |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5693 add_here = FALSE; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5694 add_count = 0; |
4444 | 5695 switch (t->state->c) |
5696 { | |
5697 case NFA_MATCH: | |
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5698 { |
5901 | 5699 /* If the match ends before a composing characters and |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
5700 * rex.reg_icombine is not set, that is not really a match. */ |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
5701 if (enc_utf8 && !rex.reg_icombine && utf_iscomposing(curc)) |
5901 | 5702 break; |
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15490
diff
changeset
|
5703 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5704 nfa_match = TRUE; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5705 copy_sub(&submatch->norm, &t->subs.norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5706 #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
|
5707 if (rex.nfa_has_zsubexpr) |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5708 copy_sub(&submatch->synt, &t->subs.synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5709 #endif |
4444 | 5710 #ifdef ENABLE_LOG |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5711 log_subsexpr(&t->subs); |
4444 | 5712 #endif |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5713 /* Found the left-most longest match, do not look at any other |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5714 * states at this position. When the list of states is going |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5715 * to be empty quit without advancing, so that "rex.input" is |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5716 * correct. */ |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5717 if (nextlist->n == 0) |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5718 clen = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5719 goto nextchar; |
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5720 } |
4444 | 5721 |
5722 case NFA_END_INVISIBLE: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5723 case NFA_END_INVISIBLE_NEG: |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5724 case NFA_END_PATTERN: |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5725 /* |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5726 * 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
|
5727 * NFA_START_INVISIBLE_BEFORE node. |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5728 * They surround a zero-width group, used with "\@=", "\&", |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5729 * "\@!", "\@<=" and "\@<!". |
4444 | 5730 * If we got here, it means that the current "invisible" group |
5731 * 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
|
5732 * 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
|
5733 * in the position in "nfa_endp". |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5734 * 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
|
5735 */ |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5736 #ifdef ENABLE_LOG |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5737 if (nfa_endp != NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5738 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5739 if (REG_MULTI) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5740 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
|
5741 (int)rex.lnum, |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5742 (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
|
5743 (int)(rex.input - rex.line), |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5744 nfa_endp->se_u.pos.col); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5745 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5746 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
|
5747 (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
|
5748 (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
|
5749 } |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5750 #endif |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5751 /* If "nfa_endp" is set it's only a match if it ends at |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5752 * "nfa_endp" */ |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5753 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
|
5754 ? (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
|
5755 || (int)(rex.input - rex.line) |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5756 != 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
|
5757 : rex.input != nfa_endp->se_u.ptr)) |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5758 break; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5759 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5760 /* do not set submatches for \@! */ |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5761 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
|
5762 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5763 copy_sub(&m->norm, &t->subs.norm); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5764 #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
|
5765 if (rex.nfa_has_zsubexpr) |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5766 copy_sub(&m->synt, &t->subs.synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5767 #endif |
4444 | 5768 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5769 #ifdef ENABLE_LOG |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5770 fprintf(log_fd, "Match found:\n"); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5771 log_subsexpr(m); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5772 #endif |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5773 nfa_match = TRUE; |
5334 | 5774 /* See comment above at "goto nextchar". */ |
5775 if (nextlist->n == 0) | |
5776 clen = 0; | |
5777 goto nextchar; | |
4444 | 5778 |
5779 case NFA_START_INVISIBLE: | |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5780 case NFA_START_INVISIBLE_FIRST: |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5781 case NFA_START_INVISIBLE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5782 case NFA_START_INVISIBLE_NEG_FIRST: |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5783 case NFA_START_INVISIBLE_BEFORE: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5784 case NFA_START_INVISIBLE_BEFORE_FIRST: |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5785 case NFA_START_INVISIBLE_BEFORE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5786 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
4444 | 5787 { |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5788 #ifdef ENABLE_LOG |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5789 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
|
5790 failure_chance(t->state->out, 0), |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5791 failure_chance(t->state->out1->out, 0)); |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5792 #endif |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5793 /* Do it directly if there already is a PIM or when |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5794 * nfa_postprocess() detected it will work better. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5795 if (t->pim.result != NFA_PIM_UNUSED |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5796 || t->state->c == NFA_START_INVISIBLE_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5797 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5798 || t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5799 || 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
|
5800 { |
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5801 int in_use = m->norm.in_use; |
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5802 |
5370 | 5803 /* Copy submatch info for the recursive call, opposite |
5804 * of what happens on success below. */ | |
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5805 copy_sub_off(&m->norm, &t->subs.norm); |
5370 | 5806 #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
|
5807 if (rex.nfa_has_zsubexpr) |
5370 | 5808 copy_sub_off(&m->synt, &t->subs.synt); |
5809 #endif | |
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5810 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5811 /* |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5812 * First try matching the invisible match, then what |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5813 * follows. |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5814 */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5815 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
|
5816 submatch, m, &listids, &listids_len); |
6328 | 5817 if (result == NFA_TOO_EXPENSIVE) |
5818 { | |
5819 nfa_match = result; | |
5820 goto theend; | |
5821 } | |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5822 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5823 /* for \@! and \@<! it is a match when the result is |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5824 * FALSE */ |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5825 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
|
5826 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5827 || t->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5828 == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5829 || t->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5830 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5831 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5832 /* Copy submatch info from the recursive call */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5833 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
|
5834 #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
|
5835 if (rex.nfa_has_zsubexpr) |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5836 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
|
5837 #endif |
5372 | 5838 /* If the pattern has \ze and it matched in the |
5839 * sub pattern, use it. */ | |
5840 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
|
5841 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5842 /* t->state->out1 is the corresponding |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5843 * END_INVISIBLE node; Add its out to the current |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5844 * list (zero-width match). */ |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5845 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5846 add_state = t->state->out1->out; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5847 } |
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5848 m->norm.in_use = in_use; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5849 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5850 else |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5851 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5852 nfa_pim_T pim; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5853 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5854 /* |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5855 * 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
|
5856 * 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
|
5857 * 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
|
5858 * about the invisible match. |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5859 */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5860 pim.state = t->state; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5861 pim.result = NFA_PIM_TODO; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5862 pim.subs.norm.in_use = 0; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5863 #ifdef FEAT_SYN_HL |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5864 pim.subs.synt.in_use = 0; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5865 #endif |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5866 if (REG_MULTI) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5867 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5868 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
|
5869 pim.end.pos.lnum = rex.lnum; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5870 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5871 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5872 pim.end.ptr = rex.input; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5873 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5874 /* t->state->out1 is the corresponding END_INVISIBLE |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5875 * node; Add its out to the current list (zero-width |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5876 * match). */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5877 addstate_here(thislist, t->state->out1->out, &t->subs, |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5878 &pim, &listidx); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5879 } |
4444 | 5880 } |
5881 break; | |
5882 | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5883 case NFA_START_PATTERN: |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5884 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5885 nfa_state_T *skip = NULL; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5886 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5887 int skip_lid = 0; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5888 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5889 |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5890 /* There is no point in trying to match the pattern if the |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5891 * output state is not going to be added to the list. */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5892 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
|
5893 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5894 skip = t->state->out1->out; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5895 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5896 skip_lid = nextlist->id; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5897 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5898 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5899 else if (state_in_list(nextlist, |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5900 t->state->out1->out->out, &t->subs)) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5901 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5902 skip = t->state->out1->out->out; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5903 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5904 skip_lid = nextlist->id; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5905 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5906 } |
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5907 else if (state_in_list(thislist, |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5908 t->state->out1->out->out, &t->subs)) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5909 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5910 skip = t->state->out1->out->out; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5911 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5912 skip_lid = thislist->id; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5913 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5914 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5915 if (skip != NULL) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5916 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5917 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5918 nfa_set_code(skip->c); |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5919 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
|
5920 abs(skip->id), skip_lid, skip->c, code); |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5921 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5922 break; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5923 } |
5370 | 5924 /* Copy submatch info to the recursive call, opposite of what |
5925 * happens afterwards. */ | |
5926 copy_sub_off(&m->norm, &t->subs.norm); | |
5927 #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
|
5928 if (rex.nfa_has_zsubexpr) |
5370 | 5929 copy_sub_off(&m->synt, &t->subs.synt); |
5930 #endif | |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5931 |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5932 /* First try matching the pattern. */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5933 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
|
5934 submatch, m, &listids, &listids_len); |
6328 | 5935 if (result == NFA_TOO_EXPENSIVE) |
5936 { | |
5937 nfa_match = result; | |
5938 goto theend; | |
5939 } | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5940 if (result) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5941 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5942 int bytelen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5943 |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5944 #ifdef ENABLE_LOG |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5945 fprintf(log_fd, "NFA_START_PATTERN matches:\n"); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5946 log_subsexpr(m); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5947 #endif |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5948 /* Copy submatch info from the recursive call */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5949 copy_sub_off(&t->subs.norm, &m->norm); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5950 #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
|
5951 if (rex.nfa_has_zsubexpr) |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5952 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
|
5953 #endif |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5954 /* Now we need to skip over the matched text and then |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5955 * continue with what follows. */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5956 if (REG_MULTI) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5957 /* TODO: multi-line match */ |
6547 | 5958 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
|
5959 - (int)(rex.input - rex.line); |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5960 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5961 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
|
5962 |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5963 #ifdef ENABLE_LOG |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5964 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
|
5965 #endif |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5966 if (bytelen == 0) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5967 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5968 /* empty match, output of corresponding |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5969 * NFA_END_PATTERN/NFA_SKIP to be used at current |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5970 * position */ |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5971 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5972 add_state = t->state->out1->out->out; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5973 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5974 else if (bytelen <= clen) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5975 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5976 /* match current character, output of corresponding |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5977 * NFA_END_PATTERN to be used at next position. */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5978 add_state = t->state->out1->out->out; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5979 add_off = clen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5980 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5981 else |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5982 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5983 /* skip over the matched characters, set character |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5984 * count in NFA_SKIP */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5985 add_state = t->state->out1->out; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5986 add_off = bytelen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5987 add_count = bytelen - clen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5988 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5989 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5990 break; |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5991 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5992 |
4444 | 5993 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
|
5994 if (rex.input == rex.line) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5995 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5996 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5997 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5998 } |
4444 | 5999 break; |
6000 | |
6001 case NFA_EOL: | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6002 if (curc == NUL) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6003 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6004 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6005 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6006 } |
4444 | 6007 break; |
6008 | |
6009 case NFA_BOW: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6010 result = TRUE; |
4444 | 6011 |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6012 if (curc == NUL) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6013 result = FALSE; |
4444 | 6014 else if (has_mbyte) |
6015 { | |
6016 int this_class; | |
6017 | |
6018 /* 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
|
6019 this_class = mb_get_class_buf(rex.input, rex.reg_buf); |
4444 | 6020 if (this_class <= 1) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6021 result = FALSE; |
4444 | 6022 else if (reg_prev_class() == this_class) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6023 result = FALSE; |
4444 | 6024 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6025 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
|
6026 || (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
|
6027 && 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
|
6028 result = FALSE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6029 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6030 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6031 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6032 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6033 } |
4444 | 6034 break; |
6035 | |
6036 case NFA_EOW: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6037 result = TRUE; |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6038 if (rex.input == rex.line) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6039 result = FALSE; |
4444 | 6040 else if (has_mbyte) |
6041 { | |
6042 int this_class, prev_class; | |
6043 | |
6044 /* 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
|
6045 this_class = mb_get_class_buf(rex.input, rex.reg_buf); |
4444 | 6046 prev_class = reg_prev_class(); |
6047 if (this_class == prev_class | |
6048 || prev_class == 0 || prev_class == 1) | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6049 result = FALSE; |
4444 | 6050 } |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6051 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
|
6052 || (rex.input[0] != NUL |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6053 && vim_iswordc_buf(curc, rex.reg_buf))) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6054 result = FALSE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6055 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6056 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6057 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6058 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6059 } |
4444 | 6060 break; |
6061 | |
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6062 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
|
6063 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
|
6064 && (!REG_MULTI || rex.reg_firstlnum == 1)) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6065 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6066 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6067 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6068 } |
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6069 break; |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6070 |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6071 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
|
6072 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
|
6073 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6074 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6075 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6076 } |
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6077 break; |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6078 |
4444 | 6079 case NFA_COMPOSING: |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6080 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6081 int mc = curc; |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6082 int len = 0; |
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6083 nfa_state_T *end; |
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6084 nfa_state_T *sta; |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6085 int cchars[MAX_MCO]; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6086 int ccount = 0; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6087 int j; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6088 |
4444 | 6089 sta = t->state->out; |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6090 len = 0; |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6091 if (utf_iscomposing(sta->c)) |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6092 { |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6093 /* Only match composing character(s), ignore base |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6094 * character. Used for ".{composing}" and "{composing}" |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6095 * (no preceding character). */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6096 len += mb_char2len(mc); |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6097 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6098 if (rex.reg_icombine && len == 0) |
4444 | 6099 { |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6100 /* If \Z was present, then ignore composing characters. |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6101 * 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
|
6102 if (sta->c != curc) |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6103 result = FAIL; |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6104 else |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6105 result = OK; |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6106 while (sta->c != NFA_END_COMPOSING) |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6107 sta = sta->out; |
4444 | 6108 } |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6109 |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6110 /* Check base character matches first, unless ignored. */ |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6111 else if (len > 0 || mc == sta->c) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6112 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6113 if (len == 0) |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6114 { |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6115 len += mb_char2len(mc); |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6116 sta = sta->out; |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6117 } |
4444 | 6118 |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6119 /* We don't care about the order of composing characters. |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6120 * Get them into cchars[] first. */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6121 while (len < clen) |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6122 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6123 mc = mb_ptr2char(rex.input + len); |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6124 cchars[ccount++] = mc; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6125 len += mb_char2len(mc); |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6126 if (ccount == MAX_MCO) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6127 break; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6128 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6129 |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6130 /* Check that each composing char in the pattern matches a |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6131 * composing char in the text. We do not check if all |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6132 * composing chars are matched. */ |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6133 result = OK; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6134 while (sta->c != NFA_END_COMPOSING) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6135 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6136 for (j = 0; j < ccount; ++j) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6137 if (cchars[j] == sta->c) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6138 break; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6139 if (j == ccount) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6140 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6141 result = FAIL; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6142 break; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6143 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6144 sta = sta->out; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6145 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6146 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6147 else |
4525
36ddcf4cecbc
updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents:
4517
diff
changeset
|
6148 result = FAIL; |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6149 |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6150 end = t->state->out1; /* NFA_END_COMPOSING */ |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6151 ADD_STATE_IF_MATCH(end); |
4444 | 6152 break; |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6153 } |
4444 | 6154 |
6155 case NFA_NEWL: | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6156 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
|
6157 && rex.lnum <= rex.reg_maxline) |
4444 | 6158 { |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6159 go_to_nextline = TRUE; |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6160 /* Pass -1 for the offset, which means taking the position |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6161 * at the start of the next line. */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6162 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6163 add_off = -1; |
4444 | 6164 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6165 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
|
6166 { |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6167 /* 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
|
6168 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6169 add_off = 1; |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6170 } |
4444 | 6171 break; |
6172 | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6173 case NFA_START_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6174 case NFA_START_NEG_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6175 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6176 /* What follows is a list of characters, until NFA_END_COLL. |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6177 * One of them must match or none of them must match. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6178 nfa_state_T *state; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6179 int result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6180 int c1, c2; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6181 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6182 /* Never match EOL. If it's part of the collection it is added |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6183 * as a separate state with an OR. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6184 if (curc == NUL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6185 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6186 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6187 state = t->state->out; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6188 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
|
6189 for (;;) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6190 { |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6191 if (state->c == NFA_END_COLL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6192 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6193 result = !result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6194 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6195 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6196 if (state->c == NFA_RANGE_MIN) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6197 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6198 c1 = state->val; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6199 state = state->out; /* advance to NFA_RANGE_MAX */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6200 c2 = state->val; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6201 #ifdef ENABLE_LOG |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6202 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
|
6203 curc, c1, c2); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6204 #endif |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6205 if (curc >= c1 && curc <= c2) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6206 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6207 result = result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6208 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6209 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6210 if (rex.reg_ic) |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6211 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6212 int curc_low = MB_TOLOWER(curc); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6213 int done = FALSE; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6214 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6215 for ( ; c1 <= c2; ++c1) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6216 if (MB_TOLOWER(c1) == curc_low) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6217 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6218 result = result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6219 done = TRUE; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6220 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6221 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6222 if (done) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6223 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6224 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6225 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6226 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
|
6227 : (curc == state->c |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6228 || (rex.reg_ic && MB_TOLOWER(curc) |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6229 == MB_TOLOWER(state->c)))) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6230 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6231 result = result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6232 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6233 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6234 state = state->out; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6235 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6236 if (result) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6237 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6238 /* next state is in out of the NFA_END_COLL, out1 of |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6239 * START points to the END state */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6240 add_state = t->state->out1->out; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6241 add_off = clen; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6242 } |
4444 | 6243 break; |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6244 } |
4444 | 6245 |
6246 case NFA_ANY: | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6247 /* 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
|
6248 if (curc > 0) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6249 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6250 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6251 add_off = clen; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6252 } |
4444 | 6253 break; |
6254 | |
5901 | 6255 case NFA_ANY_COMPOSING: |
6256 /* On a composing character skip over it. Otherwise do | |
6257 * nothing. Always matches. */ | |
6258 if (enc_utf8 && utf_iscomposing(curc)) | |
6259 { | |
6260 add_off = clen; | |
6261 } | |
6262 else | |
6263 { | |
6264 add_here = TRUE; | |
6265 add_off = 0; | |
6266 } | |
6267 add_state = t->state->out; | |
6268 break; | |
6269 | |
4444 | 6270 /* |
6271 * Character classes like \a for alpha, \d for digit etc. | |
6272 */ | |
6273 case NFA_IDENT: /* \i */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6274 result = vim_isIDc(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6275 ADD_STATE_IF_MATCH(t->state); |
4444 | 6276 break; |
6277 | |
6278 case NFA_SIDENT: /* \I */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6279 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6280 ADD_STATE_IF_MATCH(t->state); |
4444 | 6281 break; |
6282 | |
6283 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
|
6284 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
|
6285 ADD_STATE_IF_MATCH(t->state); |
4444 | 6286 break; |
6287 | |
6288 case NFA_SKWORD: /* \K */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6289 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
|
6290 && 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
|
6291 ADD_STATE_IF_MATCH(t->state); |
4444 | 6292 break; |
6293 | |
6294 case NFA_FNAME: /* \f */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6295 result = vim_isfilec(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6296 ADD_STATE_IF_MATCH(t->state); |
4444 | 6297 break; |
6298 | |
6299 case NFA_SFNAME: /* \F */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6300 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6301 ADD_STATE_IF_MATCH(t->state); |
4444 | 6302 break; |
6303 | |
6304 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
|
6305 result = vim_isprintc(PTR2CHAR(rex.input)); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6306 ADD_STATE_IF_MATCH(t->state); |
4444 | 6307 break; |
6308 | |
6309 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
|
6310 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
|
6311 ADD_STATE_IF_MATCH(t->state); |
4444 | 6312 break; |
6313 | |
6314 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
|
6315 result = VIM_ISWHITE(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6316 ADD_STATE_IF_MATCH(t->state); |
4444 | 6317 break; |
6318 | |
6319 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
|
6320 result = curc != NUL && !VIM_ISWHITE(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6321 ADD_STATE_IF_MATCH(t->state); |
4444 | 6322 break; |
6323 | |
6324 case NFA_DIGIT: /* \d */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6325 result = ri_digit(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6326 ADD_STATE_IF_MATCH(t->state); |
4444 | 6327 break; |
6328 | |
6329 case NFA_NDIGIT: /* \D */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6330 result = curc != NUL && !ri_digit(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6331 ADD_STATE_IF_MATCH(t->state); |
4444 | 6332 break; |
6333 | |
6334 case NFA_HEX: /* \x */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6335 result = ri_hex(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6336 ADD_STATE_IF_MATCH(t->state); |
4444 | 6337 break; |
6338 | |
6339 case NFA_NHEX: /* \X */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6340 result = curc != NUL && !ri_hex(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6341 ADD_STATE_IF_MATCH(t->state); |
4444 | 6342 break; |
6343 | |
6344 case NFA_OCTAL: /* \o */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6345 result = ri_octal(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6346 ADD_STATE_IF_MATCH(t->state); |
4444 | 6347 break; |
6348 | |
6349 case NFA_NOCTAL: /* \O */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6350 result = curc != NUL && !ri_octal(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6351 ADD_STATE_IF_MATCH(t->state); |
4444 | 6352 break; |
6353 | |
6354 case NFA_WORD: /* \w */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6355 result = ri_word(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6356 ADD_STATE_IF_MATCH(t->state); |
4444 | 6357 break; |
6358 | |
6359 case NFA_NWORD: /* \W */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6360 result = curc != NUL && !ri_word(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6361 ADD_STATE_IF_MATCH(t->state); |
4444 | 6362 break; |
6363 | |
6364 case NFA_HEAD: /* \h */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6365 result = ri_head(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6366 ADD_STATE_IF_MATCH(t->state); |
4444 | 6367 break; |
6368 | |
6369 case NFA_NHEAD: /* \H */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6370 result = curc != NUL && !ri_head(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6371 ADD_STATE_IF_MATCH(t->state); |
4444 | 6372 break; |
6373 | |
6374 case NFA_ALPHA: /* \a */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6375 result = ri_alpha(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6376 ADD_STATE_IF_MATCH(t->state); |
4444 | 6377 break; |
6378 | |
6379 case NFA_NALPHA: /* \A */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6380 result = curc != NUL && !ri_alpha(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6381 ADD_STATE_IF_MATCH(t->state); |
4444 | 6382 break; |
6383 | |
6384 case NFA_LOWER: /* \l */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6385 result = ri_lower(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6386 ADD_STATE_IF_MATCH(t->state); |
4444 | 6387 break; |
6388 | |
6389 case NFA_NLOWER: /* \L */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6390 result = curc != NUL && !ri_lower(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6391 ADD_STATE_IF_MATCH(t->state); |
4444 | 6392 break; |
6393 | |
6394 case NFA_UPPER: /* \u */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6395 result = ri_upper(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6396 ADD_STATE_IF_MATCH(t->state); |
4444 | 6397 break; |
6398 | |
6399 case NFA_NUPPER: /* \U */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6400 result = curc != NUL && !ri_upper(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6401 ADD_STATE_IF_MATCH(t->state); |
4444 | 6402 break; |
6403 | |
5296 | 6404 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
|
6405 result = ri_lower(curc) || (rex.reg_ic && ri_upper(curc)); |
5296 | 6406 ADD_STATE_IF_MATCH(t->state); |
6407 break; | |
6408 | |
6409 case NFA_NLOWER_IC: /* [^a-z] */ | |
6410 result = curc != NUL | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6411 && !(ri_lower(curc) || (rex.reg_ic && ri_upper(curc))); |
5296 | 6412 ADD_STATE_IF_MATCH(t->state); |
6413 break; | |
6414 | |
6415 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
|
6416 result = ri_upper(curc) || (rex.reg_ic && ri_lower(curc)); |
5296 | 6417 ADD_STATE_IF_MATCH(t->state); |
6418 break; | |
6419 | |
6420 case NFA_NUPPER_IC: /* ^[A-Z] */ | |
6421 result = curc != NUL | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6422 && !(ri_upper(curc) || (rex.reg_ic && ri_lower(curc))); |
5296 | 6423 ADD_STATE_IF_MATCH(t->state); |
6424 break; | |
6425 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6426 case NFA_BACKREF1: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6427 case NFA_BACKREF2: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6428 case NFA_BACKREF3: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6429 case NFA_BACKREF4: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6430 case NFA_BACKREF5: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6431 case NFA_BACKREF6: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6432 case NFA_BACKREF7: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6433 case NFA_BACKREF8: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6434 case NFA_BACKREF9: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6435 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6436 case NFA_ZREF1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6437 case NFA_ZREF2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6438 case NFA_ZREF3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6439 case NFA_ZREF4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6440 case NFA_ZREF5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6441 case NFA_ZREF6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6442 case NFA_ZREF7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6443 case NFA_ZREF8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6444 case NFA_ZREF9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6445 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6446 /* \1 .. \9 \z1 .. \z9 */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6447 { |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6448 int subidx; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6449 int bytelen; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6450 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6451 if (t->state->c <= NFA_BACKREF9) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6452 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6453 subidx = t->state->c - NFA_BACKREF1 + 1; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6454 result = match_backref(&t->subs.norm, subidx, &bytelen); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6455 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6456 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6457 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6458 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6459 subidx = t->state->c - NFA_ZREF1 + 1; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6460 result = match_zref(subidx, &bytelen); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6461 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6462 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6463 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6464 if (result) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6465 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6466 if (bytelen == 0) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6467 { |
4692
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
6468 /* empty match always works, output of NFA_SKIP to be |
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
6469 * used next */ |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6470 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6471 add_state = t->state->out->out; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6472 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6473 else if (bytelen <= clen) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6474 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6475 /* match current character, jump ahead to out of |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6476 * NFA_SKIP */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6477 add_state = t->state->out->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6478 add_off = clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6479 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6480 else |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6481 { |
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
6482 /* skip over the matched characters, set character |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6483 * count in NFA_SKIP */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6484 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6485 add_off = bytelen; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6486 add_count = bytelen - clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6487 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6488 } |
4482 | 6489 break; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6490 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6491 case NFA_SKIP: |
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
6492 /* character of previous matching \1 .. \9 or \@> */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6493 if (t->count - clen <= 0) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6494 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6495 /* end of match, go to what follows */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6496 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6497 add_off = clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6498 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6499 else |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6500 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6501 /* add state again with decremented count */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6502 add_state = t->state; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6503 add_off = 0; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6504 add_count = t->count - clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6505 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6506 break; |
4482 | 6507 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6508 case NFA_LNUM: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6509 case NFA_LNUM_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6510 case NFA_LNUM_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6511 result = (REG_MULTI && |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6512 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
|
6513 (long_u)(rex.lnum + rex.reg_firstlnum))); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6514 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6515 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6516 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6517 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6518 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6519 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6520 |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6521 case NFA_COL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6522 case NFA_COL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6523 case NFA_COL_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6524 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
|
6525 (long_u)(rex.input - rex.line) + 1); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6526 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6527 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6528 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6529 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6530 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6531 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6532 |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6533 case NFA_VCOL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6534 case NFA_VCOL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6535 case NFA_VCOL_LT: |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6536 { |
6499 | 6537 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
|
6538 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
|
6539 win_T *wp = rex.reg_win == NULL ? curwin : rex.reg_win; |
6499 | 6540 |
6541 /* Bail out quickly when there can't be a match, avoid the | |
6542 * overhead of win_linetabsize() on long lines. */ | |
6653 | 6543 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
|
6544 * (has_mbyte ? MB_MAXBYTES : 1)) |
6499 | 6545 break; |
6510 | 6546 result = FALSE; |
6547 if (op == 1 && col - 1 > t->state->val && col > 100) | |
6548 { | |
6549 int ts = wp->w_buffer->b_p_ts; | |
6550 | |
6551 /* Guess that a character won't use more columns than | |
6552 * 'tabstop', with a minimum of 4. */ | |
6553 if (ts < 4) | |
6554 ts = 4; | |
6555 result = col > t->state->val * ts; | |
6556 } | |
6557 if (!result) | |
6558 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
|
6559 (long_u)win_linetabsize(wp, rex.line, col) + 1); |
6499 | 6560 if (result) |
6561 { | |
6562 add_here = TRUE; | |
6563 add_state = t->state->out; | |
6564 } | |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6565 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6566 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6567 |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6568 case NFA_MARK: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6569 case NFA_MARK_GT: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6570 case NFA_MARK_LT: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6571 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6572 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
|
6573 |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6574 /* Compare the mark position to the match position. */ |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6575 result = (pos != NULL /* mark doesn't exist */ |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6576 && pos->lnum > 0 /* mark isn't set in reg_buf */ |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6577 && (pos->lnum == rex.lnum + rex.reg_firstlnum |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6578 ? (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
|
6579 ? t->state->c == NFA_MARK |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6580 : (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
|
6581 ? t->state->c == NFA_MARK_GT |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6582 : 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
|
6583 : (pos->lnum < rex.lnum + rex.reg_firstlnum |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6584 ? t->state->c == NFA_MARK_GT |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6585 : t->state->c == NFA_MARK_LT))); |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6586 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6587 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6588 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6589 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6590 } |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6591 break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6592 } |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6593 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6594 case NFA_CURSOR: |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6595 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
|
6596 && (rex.lnum + rex.reg_firstlnum |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6597 == 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
|
6598 && ((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
|
6599 == rex.reg_win->w_cursor.col)); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6600 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6601 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6602 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6603 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6604 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6605 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6606 |
4756
96f3348f9f11
updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents:
4750
diff
changeset
|
6607 case NFA_VISUAL: |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6608 result = reg_match_visual(); |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6609 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6610 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6611 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6612 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6613 } |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6614 break; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6615 |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6616 case NFA_MOPEN1: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6617 case NFA_MOPEN2: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6618 case NFA_MOPEN3: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6619 case NFA_MOPEN4: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6620 case NFA_MOPEN5: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6621 case NFA_MOPEN6: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6622 case NFA_MOPEN7: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6623 case NFA_MOPEN8: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6624 case NFA_MOPEN9: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6625 #ifdef FEAT_SYN_HL |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6626 case NFA_ZOPEN: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6627 case NFA_ZOPEN1: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6628 case NFA_ZOPEN2: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6629 case NFA_ZOPEN3: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6630 case NFA_ZOPEN4: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6631 case NFA_ZOPEN5: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6632 case NFA_ZOPEN6: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6633 case NFA_ZOPEN7: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6634 case NFA_ZOPEN8: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6635 case NFA_ZOPEN9: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6636 #endif |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6637 case NFA_NOPEN: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6638 case NFA_ZSTART: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6639 /* These states are only added to be able to bail out when |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6640 * they are added again, nothing is to be done. */ |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6641 break; |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6642 |
4444 | 6643 default: /* regular character */ |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6644 { |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6645 int c = t->state->c; |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6646 |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6647 #ifdef DEBUG |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6648 if (c < 0) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
6649 siemsg("INTERNAL: Negative state char: %ld", c); |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6650 #endif |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6651 result = (c == curc); |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6652 |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6653 if (!result && rex.reg_ic) |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6654 result = MB_TOLOWER(c) == MB_TOLOWER(curc); |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6655 /* If rex.reg_icombine is not set only skip over the character |
5901 | 6656 * 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
|
6657 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
|
6658 clen = utf_ptr2len(rex.input); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6659 ADD_STATE_IF_MATCH(t->state); |
4444 | 6660 break; |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6661 } |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6662 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6663 } /* switch (t->state->c) */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6664 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6665 if (add_state != NULL) |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6666 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6667 nfa_pim_T *pim; |
5401 | 6668 nfa_pim_T pim_copy; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6669 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6670 if (t->pim.result == NFA_PIM_UNUSED) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6671 pim = NULL; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6672 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6673 pim = &t->pim; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6674 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6675 /* Handle the postponed invisible match if the match might end |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6676 * without advancing and before the end of the line. */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6677 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
|
6678 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6679 if (pim->result == NFA_PIM_TODO) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6680 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6681 #ifdef ENABLE_LOG |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6682 fprintf(log_fd, "\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6683 fprintf(log_fd, "==================================\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6684 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6685 fprintf(log_fd, "\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6686 #endif |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6687 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
|
6688 prog, submatch, m, &listids, &listids_len); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6689 pim->result = result ? NFA_PIM_MATCH : NFA_PIM_NOMATCH; |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6690 /* for \@! and \@<! it is a match when the result is |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6691 * FALSE */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6692 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
|
6693 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6694 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6695 == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6696 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6697 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6698 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6699 /* Copy submatch info from the recursive call */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6700 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
|
6701 #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
|
6702 if (rex.nfa_has_zsubexpr) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6703 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
|
6704 #endif |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6705 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6706 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6707 else |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6708 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6709 result = (pim->result == NFA_PIM_MATCH); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6710 #ifdef ENABLE_LOG |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6711 fprintf(log_fd, "\n"); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6712 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
|
6713 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
|
6714 fprintf(log_fd, "\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6715 #endif |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6716 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6717 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6718 /* 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
|
6719 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
|
6720 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6721 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6722 == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6723 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6724 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6725 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6726 /* Copy submatch info from the recursive call */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6727 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
|
6728 #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
|
6729 if (rex.nfa_has_zsubexpr) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6730 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
|
6731 #endif |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6732 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6733 else |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6734 /* look-behind match failed, don't add the state */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6735 continue; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6736 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6737 /* Postponed invisible match was handled, don't add it to |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6738 * following states. */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6739 pim = NULL; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6740 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6741 |
5401 | 6742 /* If "pim" points into l->t it will become invalid when |
6743 * adding the state causes the list to be reallocated. Make a | |
6744 * local copy to avoid that. */ | |
6745 if (pim == &t->pim) | |
6746 { | |
6747 copy_pim(&pim_copy, pim); | |
6748 pim = &pim_copy; | |
6749 } | |
6750 | |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6751 if (add_here) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6752 addstate_here(thislist, add_state, &t->subs, pim, &listidx); |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6753 else |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6754 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6755 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
|
6756 if (add_count > 0) |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6757 nextlist->t[nextlist->n - 1].count = add_count; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6758 } |
4444 | 6759 } |
6760 | |
6761 } /* for (thislist = thislist; thislist->state; thislist++) */ | |
6762 | |
4557
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6763 /* Look for the start of a match in the current position by adding the |
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6764 * start state to the list of states. |
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6765 * The first found match is the leftmost one, thus the order of states |
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6766 * matters! |
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6767 * Do not add the start state in recursive calls of nfa_regmatch(), |
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6768 * because recursive calls should only start in the first position. |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6769 * Unless "nfa_endp" is not NULL, then we match the end position. |
4557
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6770 * 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
|
6771 if (nfa_match == FALSE |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6772 && ((toplevel |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6773 && rex.lnum == 0 |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6774 && clen != 0 |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6775 && (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
|
6776 || (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
|
6777 || (nfa_endp != NULL |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6778 && (REG_MULTI |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6779 ? (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
|
6780 || (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
|
6781 && (int)(rex.input - rex.line) |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6782 < 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
|
6783 : rex.input < nfa_endp->se_u.ptr)))) |
4444 | 6784 { |
6785 #ifdef ENABLE_LOG | |
6786 fprintf(log_fd, "(---) STARTSTATE\n"); | |
6787 #endif | |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6788 /* Inline optimized code for addstate() if we know the state is |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6789 * the first MOPEN. */ |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6790 if (toplevel) |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6791 { |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6792 int add = TRUE; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6793 int c; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6794 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6795 if (prog->regstart != NUL && clen != 0) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6796 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6797 if (nextlist->n == 0) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6798 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6799 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
|
6800 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6801 /* Nextlist is empty, we can skip ahead to the |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6802 * character that must appear at the start. */ |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6803 if (skip_to_start(prog->regstart, &col) == FAIL) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6804 break; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6805 #ifdef ENABLE_LOG |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6806 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
|
6807 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
|
6808 #endif |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6809 rex.input = rex.line + col - clen; |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6810 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6811 else |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6812 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6813 /* Checking if the required start character matches is |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6814 * 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
|
6815 c = PTR2CHAR(rex.input + clen); |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6816 if (c != prog->regstart && (!rex.reg_ic |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6817 || MB_TOLOWER(c) != MB_TOLOWER(prog->regstart))) |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6818 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6819 #ifdef ENABLE_LOG |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6820 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
|
6821 #endif |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6822 add = FALSE; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6823 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6824 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6825 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6826 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6827 if (add) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6828 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6829 if (REG_MULTI) |
6547 | 6830 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
|
6831 (colnr_T)(rex.input - rex.line) + clen; |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6832 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6833 m->norm.list.line[0].start = rex.input + clen; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6834 addstate(nextlist, start->out, m, NULL, clen); |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6835 } |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6836 } |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6837 else |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6838 addstate(nextlist, start, m, NULL, clen); |
4444 | 6839 } |
6840 | |
6841 #ifdef ENABLE_LOG | |
6842 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
|
6843 { |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6844 int i; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6845 |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6846 for (i = 0; i < thislist->n; i++) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6847 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
|
6848 } |
4444 | 6849 fprintf(log_fd, "\n"); |
6850 #endif | |
6851 | |
6852 nextchar: | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6853 /* Advance to the next character, or advance to the next line, or |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6854 * finish. */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6855 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
|
6856 rex.input += clen; |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6857 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
|
6858 && 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
|
6859 reg_nextline(); |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6860 else |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6861 break; |
6499 | 6862 |
6863 /* Allow interrupting with CTRL-C. */ | |
6573 | 6864 line_breakcheck(); |
6499 | 6865 if (got_int) |
6866 break; | |
6573 | 6867 #ifdef FEAT_RELTIME |
6868 /* Check for timeout once in a twenty times to avoid overhead. */ | |
6869 if (nfa_time_limit != NULL && ++nfa_time_count == 20) | |
6870 { | |
6871 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
|
6872 if (nfa_did_time_out()) |
6573 | 6873 break; |
6874 } | |
6875 #endif | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6876 } |
4444 | 6877 |
6878 #ifdef ENABLE_LOG | |
6879 if (log_fd != stderr) | |
6880 fclose(log_fd); | |
6881 log_fd = NULL; | |
6882 #endif | |
6883 | |
6884 theend: | |
6885 /* Free memory */ | |
6886 vim_free(list[0].t); | |
6887 vim_free(list[1].t); | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6888 vim_free(listids); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6889 #undef ADD_STATE_IF_MATCH |
4460 | 6890 #ifdef NFA_REGEXP_DEBUG_LOG |
4444 | 6891 fclose(debug); |
6892 #endif | |
6893 | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6894 return nfa_match; |
4444 | 6895 } |
6896 | |
6897 /* | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6898 * Try match of "prog" with at rex.line["col"]. |
6392 | 6899 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
4444 | 6900 */ |
6901 static long | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
6902 nfa_regtry( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
6903 nfa_regprog_T *prog, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
6904 colnr_T col, |
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
6905 proftime_T *tm UNUSED, /* timeout limit or NULL */ |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
6906 int *timed_out UNUSED) /* flag set on timeout or NULL */ |
4444 | 6907 { |
6908 int i; | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6909 regsubs_T subs, m; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6910 nfa_state_T *start = prog->start; |
6328 | 6911 int result; |
4444 | 6912 #ifdef ENABLE_LOG |
6913 FILE *f; | |
6914 #endif | |
6915 | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6916 rex.input = rex.line + col; |
6573 | 6917 #ifdef FEAT_RELTIME |
6918 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
|
6919 nfa_timed_out = timed_out; |
6573 | 6920 nfa_time_count = 0; |
6921 #endif | |
4444 | 6922 |
6923 #ifdef ENABLE_LOG | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6924 f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
4444 | 6925 if (f != NULL) |
6926 { | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6927 fprintf(f, "\n\n\t=======================================================\n"); |
4444 | 6928 #ifdef DEBUG |
6929 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr); | |
6930 #endif | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6931 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
|
6932 fprintf(f, "\t=======================================================\n\n"); |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
6933 nfa_print_state(f, start); |
4444 | 6934 fprintf(f, "\n\n"); |
6935 fclose(f); | |
6936 } | |
6937 else | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
6938 emsg("Could not open temporary log file for writing"); |
4444 | 6939 #endif |
6940 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6941 clear_sub(&subs.norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6942 clear_sub(&m.norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6943 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6944 clear_sub(&subs.synt); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6945 clear_sub(&m.synt); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6946 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6947 |
6328 | 6948 result = nfa_regmatch(prog, start, &subs, &m); |
6949 if (result == FALSE) | |
4444 | 6950 return 0; |
6328 | 6951 else if (result == NFA_TOO_EXPENSIVE) |
6952 return result; | |
4444 | 6953 |
6954 cleanup_subexpr(); | |
6955 if (REG_MULTI) | |
6956 { | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6957 for (i = 0; i < subs.norm.in_use; i++) |
4444 | 6958 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6959 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
|
6960 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
|
6961 |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6962 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
|
6963 rex.reg_endpos[i].col = subs.norm.list.multi[i].end_col; |
4444 | 6964 } |
6965 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6966 if (rex.reg_startpos[0].lnum < 0) |
4444 | 6967 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6968 rex.reg_startpos[0].lnum = 0; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6969 rex.reg_startpos[0].col = col; |
4444 | 6970 } |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6971 if (rex.reg_endpos[0].lnum < 0) |
4444 | 6972 { |
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
6973 /* 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
|
6974 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
|
6975 rex.reg_endpos[0].col = (int)(rex.input - rex.line); |
4444 | 6976 } |
6977 else | |
6978 /* 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
|
6979 rex.lnum = rex.reg_endpos[0].lnum; |
4444 | 6980 } |
6981 else | |
6982 { | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6983 for (i = 0; i < subs.norm.in_use; i++) |
4444 | 6984 { |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6985 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
|
6986 rex.reg_endp[i] = subs.norm.list.line[i].end; |
4444 | 6987 } |
6988 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6989 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
|
6990 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
|
6991 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
|
6992 rex.reg_endp[0] = rex.input; |
4444 | 6993 } |
6994 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6995 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6996 /* Package any found \z(...\) matches for export. Default is none. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6997 unref_extmatch(re_extmatch_out); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6998 re_extmatch_out = NULL; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6999 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7000 if (prog->reghasz == REX_SET) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7001 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7002 cleanup_zsubexpr(); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7003 re_extmatch_out = make_extmatch(); |
7258
7245d8635ac7
commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997
Christian Brabandt <cb@256bit.org>
parents:
7152
diff
changeset
|
7004 /* Loop over \z1, \z2, etc. There is no \z0. */ |
7245d8635ac7
commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997
Christian Brabandt <cb@256bit.org>
parents:
7152
diff
changeset
|
7005 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
|
7006 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7007 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7008 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7009 struct multipos *mpos = &subs.synt.list.multi[i]; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7010 |
5820 | 7011 /* Only accept single line matches that are valid. */ |
6547 | 7012 if (mpos->start_lnum >= 0 |
7013 && mpos->start_lnum == mpos->end_lnum | |
7014 && mpos->end_col >= mpos->start_col) | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7015 re_extmatch_out->matches[i] = |
6547 | 7016 vim_strnsave(reg_getline(mpos->start_lnum) |
7017 + mpos->start_col, | |
7018 mpos->end_col - mpos->start_col); | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7019 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7020 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7021 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7022 struct linepos *lpos = &subs.synt.list.line[i]; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7023 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7024 if (lpos->start != NULL && lpos->end != NULL) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7025 re_extmatch_out->matches[i] = |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7026 vim_strnsave(lpos->start, |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7027 (int)(lpos->end - lpos->start)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7028 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7029 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7030 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7031 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7032 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7033 return 1 + rex.lnum; |
4444 | 7034 } |
7035 | |
7036 /* | |
7037 * Match a regexp against a string ("line" points to the string) or multiple | |
7038 * lines ("line" is NULL, use reg_getline()). | |
7039 * | |
6392 | 7040 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
4444 | 7041 */ |
7042 static long | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7043 nfa_regexec_both( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7044 char_u *line, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7045 colnr_T startcol, /* column to start looking for match */ |
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
7046 proftime_T *tm, /* timeout limit or NULL */ |
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
7047 int *timed_out) /* flag set on timeout or NULL */ |
4444 | 7048 { |
7049 nfa_regprog_T *prog; | |
7050 long retval = 0L; | |
7051 int i; | |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7052 colnr_T col = startcol; |
4444 | 7053 |
7054 if (REG_MULTI) | |
7055 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7056 prog = (nfa_regprog_T *)rex.reg_mmatch->regprog; |
4444 | 7057 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
|
7058 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
|
7059 rex.reg_endpos = rex.reg_mmatch->endpos; |
4444 | 7060 } |
7061 else | |
7062 { | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7063 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
|
7064 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
|
7065 rex.reg_endp = rex.reg_match->endp; |
4444 | 7066 } |
7067 | |
7068 /* Be paranoid... */ | |
7069 if (prog == NULL || line == NULL) | |
7070 { | |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
7071 emsg(_(e_null)); |
4444 | 7072 goto theend; |
7073 } | |
7074 | |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7075 /* If pattern contains "\c" or "\C": overrule value of rex.reg_ic */ |
4444 | 7076 if (prog->regflags & RF_ICASE) |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7077 rex.reg_ic = TRUE; |
4444 | 7078 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
|
7079 rex.reg_ic = FALSE; |
4444 | 7080 |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7081 /* If pattern contains "\Z" overrule value of rex.reg_icombine */ |
4444 | 7082 if (prog->regflags & RF_ICOMBINE) |
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7083 rex.reg_icombine = TRUE; |
4444 | 7084 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
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parents:
14309
diff
changeset
|
7085 rex.line = line; |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7086 rex.lnum = 0; /* relative to line */ |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7087 |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7088 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
|
7089 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
|
7090 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
|
7091 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
|
7092 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
|
7093 #ifdef DEBUG |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7094 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
|
7095 #endif |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
7096 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7097 if (prog->reganch && col > 0) |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7098 return 0L; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7099 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7100 rex.need_clear_subexpr = TRUE; |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7101 #ifdef FEAT_SYN_HL |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7102 /* Clear the external match subpointers if necessary. */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7103 if (prog->reghasz == REX_SET) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7104 { |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7105 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
|
7106 rex.need_clear_zsubexpr = TRUE; |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7107 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7108 else |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7109 { |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7110 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
|
7111 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
|
7112 } |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7113 #endif |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7114 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7115 if (prog->regstart != NUL) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7116 { |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7117 /* Skip ahead until a character we know the match must start with. |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7118 * When there is none there is no match. */ |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7119 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
|
7120 return 0L; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7121 |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7122 /* If match_text is set it contains the full text that must match. |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7123 * 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
|
7124 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
|
7125 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
|
7126 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7127 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7128 /* 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
|
7129 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
|
7130 goto theend; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7131 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7132 // 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
|
7133 // 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
|
7134 nstate = 0; |
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7135 for (i = 0; i < prog->nstate; ++i) |
4444 | 7136 { |
7137 prog->state[i].id = i; | |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7138 prog->state[i].lastlist[0] = 0; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7139 prog->state[i].lastlist[1] = 0; |
4444 | 7140 } |
7141 | |
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
7142 retval = nfa_regtry(prog, col, tm, timed_out); |
4444 | 7143 |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7144 #ifdef DEBUG |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7145 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
|
7146 #endif |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7147 |
4444 | 7148 theend: |
7149 return retval; | |
7150 } | |
7151 | |
7152 /* | |
7153 * Compile a regular expression into internal code for the NFA matcher. | |
7154 * Returns the program in allocated space. Returns NULL for an error. | |
7155 */ | |
7156 static regprog_T * | |
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7157 nfa_regcomp(char_u *expr, int re_flags) |
4444 | 7158 { |
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7159 nfa_regprog_T *prog = NULL; |
4458 | 7160 size_t prog_size; |
4444 | 7161 int *postfix; |
7162 | |
7163 if (expr == NULL) | |
7164 return NULL; | |
7165 | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7166 #ifdef DEBUG |
4444 | 7167 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
|
7168 #endif |
6533 | 7169 nfa_re_flags = re_flags; |
4444 | 7170 |
7171 init_class_tab(); | |
7172 | |
7173 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
7174 return NULL; | |
7175 | |
7176 /* Build postfix form of the regexp. Needed to build the NFA | |
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7177 * (and count its size). */ |
4444 | 7178 postfix = re2post(); |
7179 if (postfix == NULL) | |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7180 { |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7181 /* TODO: only give this error for debugging? */ |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7182 if (post_ptr >= post_end) |
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
7183 siemsg("Internal error: estimated max number of states insufficient: %ld", post_end - post_start); |
4444 | 7184 goto fail; /* Cascaded (syntax?) error */ |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7185 } |
4444 | 7186 |
7187 /* | |
7188 * In order to build the NFA, we parse the input regexp twice: | |
7189 * 1. first pass to count size (so we can allocate space) | |
7190 * 2. second to emit code | |
7191 */ | |
7192 #ifdef ENABLE_LOG | |
7193 { | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
7194 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
4444 | 7195 |
7196 if (f != NULL) | |
7197 { | |
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
7198 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\"... hold on !\n", expr); |
4444 | 7199 fclose(f); |
7200 } | |
7201 } | |
7202 #endif | |
7203 | |
7204 /* | |
7205 * PASS 1 | |
7206 * Count number of NFA states in "nstate". Do not build the NFA. | |
7207 */ | |
7208 post2nfa(postfix, post_ptr, TRUE); | |
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7209 |
4837
05b8436873d4
updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents:
4821
diff
changeset
|
7210 /* allocate the regprog with space for the compiled regexp */ |
05b8436873d4
updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents:
4821
diff
changeset
|
7211 prog_size = sizeof(nfa_regprog_T) + sizeof(nfa_state_T) * (nstate - 1); |
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7212 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE); |
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7213 if (prog == NULL) |
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7214 goto fail; |
4444 | 7215 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
|
7216 prog->re_in_use = FALSE; |
4444 | 7217 |
7218 /* | |
7219 * PASS 2 | |
7220 * Build the NFA | |
7221 */ | |
7222 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
7223 if (prog->start == NULL) | |
7224 goto fail; | |
7225 | |
7226 prog->regflags = regflags; | |
7227 prog->engine = &nfa_regengine; | |
7228 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
|
7229 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
|
7230 prog->has_backref = rex.nfa_has_backref; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
7231 prog->nsubexp = regnpar; |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7232 |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7233 nfa_postprocess(prog); |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7234 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7235 prog->reganch = nfa_get_reganch(prog->start, 0); |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7236 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
|
7237 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
|
7238 |
4444 | 7239 #ifdef ENABLE_LOG |
7240 nfa_postfix_dump(expr, OK); | |
7241 nfa_dump(prog); | |
7242 #endif | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7243 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7244 /* Remember whether this pattern has any \z specials in it. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7245 prog->reghasz = re_has_z; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7246 #endif |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7247 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
|
7248 #ifdef DEBUG |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7249 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
|
7250 #endif |
4444 | 7251 |
7252 out: | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13208
diff
changeset
|
7253 VIM_CLEAR(post_start); |
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13208
diff
changeset
|
7254 post_ptr = post_end = NULL; |
4444 | 7255 state_ptr = NULL; |
7256 return (regprog_T *)prog; | |
7257 | |
7258 fail: | |
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13208
diff
changeset
|
7259 VIM_CLEAR(prog); |
4444 | 7260 #ifdef ENABLE_LOG |
7261 nfa_postfix_dump(expr, FAIL); | |
7262 #endif | |
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7263 #ifdef DEBUG |
4444 | 7264 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
|
7265 #endif |
4444 | 7266 goto out; |
7267 } | |
7268 | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7269 /* |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7270 * 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
|
7271 */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7272 static void |
7833
c079097365f3
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7273 nfa_regfree(regprog_T *prog) |
4805
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7274 { |
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7275 if (prog != NULL) |
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7276 { |
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7277 vim_free(((nfa_regprog_T *)prog)->match_text); |
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7278 vim_free(((nfa_regprog_T *)prog)->pattern); |
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7279 vim_free(prog); |
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7280 } |
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7281 } |
4444 | 7282 |
7283 /* | |
7284 * Match a regexp against a string. | |
7285 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
7286 * Uses curbuf for line count and 'iskeyword'. | |
5838 | 7287 * If "line_lbr" is TRUE consider a "\n" in "line" to be a line break. |
4444 | 7288 * |
6392 | 7289 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
4444 | 7290 */ |
7291 static int | |
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7292 nfa_regexec_nl( |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
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7293 regmatch_T *rmp, |
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
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7294 char_u *line, /* string to match against */ |
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7295 colnr_T col, /* column to start looking for match */ |
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7296 int line_lbr) |
4444 | 7297 { |
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7298 rex.reg_match = rmp; |
d76ccdacb41e
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7299 rex.reg_mmatch = NULL; |
d76ccdacb41e
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7300 rex.reg_maxline = 0; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
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7301 rex.reg_line_lbr = line_lbr; |
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7302 rex.reg_buf = curbuf; |
d76ccdacb41e
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7303 rex.reg_win = NULL; |
d76ccdacb41e
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7304 rex.reg_ic = rmp->rm_ic; |
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7305 rex.reg_icombine = FALSE; |
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
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7306 rex.reg_maxcol = 0; |
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7307 return nfa_regexec_both(line, col, NULL, NULL); |
4444 | 7308 } |
7309 | |
7310 | |
7311 /* | |
7312 * Match a regexp against multiple lines. | |
7313 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
7314 * Uses curbuf for line count and 'iskeyword'. | |
7315 * | |
6392 | 7316 * Return <= 0 if there is no match. Return number of lines contained in the |
4444 | 7317 * match otherwise. |
7318 * | |
7319 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
7320 * | |
7321 * ! Also NOTE : match may actually be in another line. e.g.: | |
7322 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
7323 * | |
7324 * +-------------------------+ | |
7325 * |a | | |
7326 * |b | | |
7327 * |c | | |
7328 * | | | |
7329 * +-------------------------+ | |
7330 * | |
7331 * then nfa_regexec_multi() returns 3. while the original | |
7332 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
7333 * | |
7334 * FIXME if this behavior is not compatible. | |
7335 */ | |
7336 static long | |
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7337 nfa_regexec_multi( |
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7338 regmmatch_T *rmp, |
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7339 win_T *win, /* window in which to search or NULL */ |
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7340 buf_T *buf, /* buffer in which to search */ |
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7341 linenr_T lnum, /* nr of line to start looking for match */ |
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7342 colnr_T col, /* column to start looking for match */ |
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7343 proftime_T *tm, /* timeout limit or NULL */ |
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7344 int *timed_out) /* flag set on timeout or NULL */ |
4444 | 7345 { |
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7346 rex.reg_match = NULL; |
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7347 rex.reg_mmatch = rmp; |
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7348 rex.reg_buf = buf; |
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7349 rex.reg_win = win; |
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7350 rex.reg_firstlnum = lnum; |
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7351 rex.reg_maxline = rex.reg_buf->b_ml.ml_line_count - lnum; |
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7352 rex.reg_line_lbr = FALSE; |
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7353 rex.reg_ic = rmp->rmm_ic; |
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7354 rex.reg_icombine = FALSE; |
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7355 rex.reg_maxcol = rmp->rmm_maxcol; |
4444 | 7356 |
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7357 return nfa_regexec_both(NULL, col, tm, timed_out); |
4444 | 7358 } |
7359 | |
7360 #ifdef DEBUG | |
7361 # undef ENABLE_LOG | |
7362 #endif |