Mercurial > vim
annotate src/regexp_nfa.c @ 14484:c7016941d02a
Added tag v8.1.0255 for changeset 7fd8cb54da4a78321e6d9dfd0668deca1d0b11d8
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Wed, 08 Aug 2018 11:15:05 +0200 |
| parents | ffd834f893aa |
| children | a7d02a56b5d5 |
| rev | line source |
|---|---|
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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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, | |
| 229 NFA_CLASS_ESCAPE | |
| 230 }; | |
| 231 | |
| 232 /* Keep in sync with classchars. */ | |
| 233 static int nfa_classcodes[] = { | |
| 234 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD, | |
| 235 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT, | |
| 236 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT, | |
| 237 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL, | |
| 238 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD, | |
| 239 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER, | |
| 240 NFA_UPPER, NFA_NUPPER | |
| 241 }; | |
| 242 | |
| 5511 | 243 static char_u e_nul_found[] = N_("E865: (NFA) Regexp end encountered prematurely"); |
| 4444 | 244 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); |
| 5511 | 245 static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character class: %ld"); |
| 4444 | 246 |
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247 // Variables only used in nfa_regcomp() and descendants. |
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248 static int nfa_re_flags; // re_flags passed to nfa_regcomp() |
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249 static int *post_start; // holds the postfix form of r.e. |
| 4444 | 250 static int *post_end; |
| 251 static int *post_ptr; | |
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252 static int nstate; // Number of states in the NFA. |
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253 static int istate; // Index in the state vector, used in alloc_state() |
| 4444 | 254 |
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255 /* If not NULL match must end at this position */ |
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256 static save_se_T *nfa_endp = NULL; |
| 4444 | 257 |
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258 /* 0 for first call to nfa_regmatch(), 1 for recursive call. */ |
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259 static int nfa_ll_index = 0; |
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260 |
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261 static int realloc_post_list(void); |
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262 static int nfa_reg(int paren); |
| 4444 | 263 #ifdef DEBUG |
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264 static void nfa_print_state2(FILE *debugf, nfa_state_T *state, garray_T *indent); |
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265 #endif |
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266 static int match_follows(nfa_state_T *startstate, int depth); |
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267 static int failure_chance(nfa_state_T *state, int depth); |
| 4444 | 268 |
| 269 /* helper functions used when doing re2post() ... regatom() parsing */ | |
| 270 #define EMIT(c) do { \ | |
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271 if (post_ptr >= post_end && realloc_post_list() == FAIL) \ |
| 4444 | 272 return FAIL; \ |
| 273 *post_ptr++ = c; \ | |
| 274 } while (0) | |
| 275 | |
| 276 /* | |
| 277 * Initialize internal variables before NFA compilation. | |
| 278 * Return OK on success, FAIL otherwise. | |
| 279 */ | |
| 280 static int | |
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281 nfa_regcomp_start( |
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282 char_u *expr, |
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283 int re_flags) /* see vim_regcomp() */ |
| 4444 | 284 { |
| 4458 | 285 size_t postfix_size; |
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286 int nstate_max; |
| 4444 | 287 |
| 288 nstate = 0; | |
| 289 istate = 0; | |
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290 /* A reasonable estimation for maximum size */ |
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291 nstate_max = (int)(STRLEN(expr) + 1) * 25; |
| 4444 | 292 |
| 4454 | 293 /* Some items blow up in size, such as [A-z]. Add more space for that. |
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294 * When it is still not enough realloc_post_list() will be used. */ |
| 4458 | 295 nstate_max += 1000; |
| 4454 | 296 |
| 297 /* Size for postfix representation of expr. */ | |
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298 postfix_size = sizeof(int) * nstate_max; |
| 4454 | 299 |
| 4444 | 300 post_start = (int *)lalloc(postfix_size, TRUE); |
| 301 if (post_start == NULL) | |
| 302 return FAIL; | |
| 303 post_ptr = post_start; | |
| 4454 | 304 post_end = post_start + nstate_max; |
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305 rex.nfa_has_zend = FALSE; |
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306 rex.nfa_has_backref = FALSE; |
| 4444 | 307 |
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308 /* shared with BT engine */ |
| 4444 | 309 regcomp_start(expr, re_flags); |
| 310 | |
| 311 return OK; | |
| 312 } | |
| 313 | |
| 314 /* | |
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315 * Figure out if the NFA state list starts with an anchor, must match at start |
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316 * of the line. |
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317 */ |
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318 static int |
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319 nfa_get_reganch(nfa_state_T *start, int depth) |
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320 { |
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321 nfa_state_T *p = start; |
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322 |
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323 if (depth > 4) |
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324 return 0; |
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325 |
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326 while (p != NULL) |
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327 { |
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328 switch (p->c) |
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329 { |
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330 case NFA_BOL: |
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331 case NFA_BOF: |
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332 return 1; /* yes! */ |
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333 |
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334 case NFA_ZSTART: |
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335 case NFA_ZEND: |
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336 case NFA_CURSOR: |
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337 case NFA_VISUAL: |
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338 |
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339 case NFA_MOPEN: |
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340 case NFA_MOPEN1: |
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341 case NFA_MOPEN2: |
|
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|
342 case NFA_MOPEN3: |
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|
343 case NFA_MOPEN4: |
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|
344 case NFA_MOPEN5: |
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345 case NFA_MOPEN6: |
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346 case NFA_MOPEN7: |
|
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347 case NFA_MOPEN8: |
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348 case NFA_MOPEN9: |
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349 case NFA_NOPEN: |
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|
350 #ifdef FEAT_SYN_HL |
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351 case NFA_ZOPEN: |
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352 case NFA_ZOPEN1: |
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|
353 case NFA_ZOPEN2: |
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|
354 case NFA_ZOPEN3: |
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updated for version 7.3.1133
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|
355 case NFA_ZOPEN4: |
|
03375ccf28a2
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|
356 case NFA_ZOPEN5: |
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updated for version 7.3.1133
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357 case NFA_ZOPEN6: |
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358 case NFA_ZOPEN7: |
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|
359 case NFA_ZOPEN8: |
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|
360 case NFA_ZOPEN9: |
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361 #endif |
|
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updated for version 7.3.1133
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362 p = p->out; |
|
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updated for version 7.3.1133
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|
363 break; |
|
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|
364 |
|
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updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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|
365 case NFA_SPLIT: |
|
03375ccf28a2
updated for version 7.3.1133
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366 return nfa_get_reganch(p->out, depth + 1) |
|
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updated for version 7.3.1133
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|
367 && nfa_get_reganch(p->out1, depth + 1); |
|
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updated for version 7.3.1133
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|
368 |
|
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|
369 default: |
|
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370 return 0; /* noooo */ |
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|
371 } |
|
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|
372 } |
|
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|
373 return 0; |
|
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|
374 } |
|
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|
375 |
|
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updated for version 7.3.1133
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|
376 /* |
|
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updated for version 7.3.1133
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|
377 * Figure out if the NFA state list starts with a character which must match |
|
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updated for version 7.3.1133
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|
378 * at start of the match. |
|
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|
379 */ |
|
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|
380 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
381 nfa_get_regstart(nfa_state_T *start, int depth) |
|
4772
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|
382 { |
|
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|
383 nfa_state_T *p = start; |
|
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updated for version 7.3.1133
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|
384 |
|
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updated for version 7.3.1133
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|
385 if (depth > 4) |
|
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updated for version 7.3.1133
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|
386 return 0; |
|
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updated for version 7.3.1133
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diff
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|
387 |
|
03375ccf28a2
updated for version 7.3.1133
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|
388 while (p != NULL) |
|
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|
389 { |
|
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updated for version 7.3.1133
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|
390 switch (p->c) |
|
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updated for version 7.3.1133
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|
391 { |
|
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updated for version 7.3.1133
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|
392 /* all kinds of zero-width matches */ |
|
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updated for version 7.3.1133
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diff
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|
393 case NFA_BOL: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
394 case NFA_BOF: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
395 case NFA_BOW: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
396 case NFA_EOW: |
|
03375ccf28a2
updated for version 7.3.1133
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changeset
|
397 case NFA_ZSTART: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
398 case NFA_ZEND: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
399 case NFA_CURSOR: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
400 case NFA_VISUAL: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
401 case NFA_LNUM: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
402 case NFA_LNUM_GT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
403 case NFA_LNUM_LT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
404 case NFA_COL: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
405 case NFA_COL_GT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
406 case NFA_COL_LT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
407 case NFA_VCOL: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
408 case NFA_VCOL_GT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
409 case NFA_VCOL_LT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
410 case NFA_MARK: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
411 case NFA_MARK_GT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
412 case NFA_MARK_LT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
413 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
414 case NFA_MOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
415 case NFA_MOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
416 case NFA_MOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
417 case NFA_MOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
418 case NFA_MOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
419 case NFA_MOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
420 case NFA_MOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
421 case NFA_MOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
422 case NFA_MOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
423 case NFA_MOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
424 case NFA_NOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
425 #ifdef FEAT_SYN_HL |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
426 case NFA_ZOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
427 case NFA_ZOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
428 case NFA_ZOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
429 case NFA_ZOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
430 case NFA_ZOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
431 case NFA_ZOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
432 case NFA_ZOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
433 case NFA_ZOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
434 case NFA_ZOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
435 case NFA_ZOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
436 #endif |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
437 p = p->out; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
438 break; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
439 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
440 case NFA_SPLIT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
441 { |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
442 int c1 = nfa_get_regstart(p->out, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
443 int c2 = nfa_get_regstart(p->out1, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
444 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
445 if (c1 == c2) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
446 return c1; /* yes! */ |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
447 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
448 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
449 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
450 default: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
451 if (p->c > 0) |
|
4772
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
452 return p->c; /* yes! */ |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
453 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
454 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
455 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
456 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
457 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
458 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
459 /* |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
460 * 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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461 * else. If so return a string in allocated memory with what must match after |
|
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462 * regstart. Otherwise return NULL. |
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463 */ |
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464 static char_u * |
|
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465 nfa_get_match_text(nfa_state_T *start) |
|
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466 { |
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467 nfa_state_T *p = start; |
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468 int len = 0; |
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469 char_u *ret; |
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470 char_u *s; |
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471 |
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472 if (p->c != NFA_MOPEN) |
|
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473 return NULL; /* just in case */ |
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474 p = p->out; |
|
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475 while (p->c > 0) |
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476 { |
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477 len += MB_CHAR2LEN(p->c); |
|
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478 p = p->out; |
|
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479 } |
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480 if (p->c != NFA_MCLOSE || p->out->c != NFA_MATCH) |
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481 return NULL; |
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482 |
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483 ret = alloc(len); |
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484 if (ret != NULL) |
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485 { |
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486 p = start->out->out; /* skip first char, it goes into regstart */ |
|
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487 s = ret; |
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488 while (p->c > 0) |
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489 { |
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490 #ifdef FEAT_MBYTE |
|
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491 if (has_mbyte) |
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492 s += (*mb_char2bytes)(p->c, s); |
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493 else |
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494 #endif |
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495 *s++ = p->c; |
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496 p = p->out; |
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497 } |
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498 *s = NUL; |
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499 } |
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500 return ret; |
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501 } |
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502 |
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503 /* |
|
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504 * Allocate more space for post_start. Called when |
|
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505 * running above the estimated number of states. |
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506 */ |
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507 static int |
|
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508 realloc_post_list(void) |
|
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509 { |
|
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510 int nstate_max = (int)(post_end - post_start); |
|
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511 int new_max = nstate_max + 1000; |
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512 int *new_start; |
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513 int *old_start; |
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514 |
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515 new_start = (int *)lalloc(new_max * sizeof(int), TRUE); |
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516 if (new_start == NULL) |
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517 return FAIL; |
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518 mch_memmove(new_start, post_start, nstate_max * sizeof(int)); |
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519 old_start = post_start; |
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520 post_start = new_start; |
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521 post_ptr = new_start + (post_ptr - old_start); |
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522 post_end = post_start + new_max; |
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523 vim_free(old_start); |
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524 return OK; |
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525 } |
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526 |
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527 /* |
| 4444 | 528 * Search between "start" and "end" and try to recognize a |
| 529 * character class in expanded form. For example [0-9]. | |
| 530 * On success, return the id the character class to be emitted. | |
| 531 * On failure, return 0 (=FAIL) | |
| 532 * Start points to the first char of the range, while end should point | |
| 533 * to the closing brace. | |
| 5296 | 534 * Keep in mind that 'ignorecase' applies at execution time, thus [a-z] may |
| 535 * need to be interpreted as [a-zA-Z]. | |
| 4444 | 536 */ |
| 537 static int | |
|
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|
538 nfa_recognize_char_class(char_u *start, char_u *end, int extra_newl) |
| 4444 | 539 { |
|
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540 # define CLASS_not 0x80 |
|
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|
541 # define CLASS_af 0x40 |
|
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542 # define CLASS_AF 0x20 |
|
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543 # define CLASS_az 0x10 |
|
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544 # define CLASS_AZ 0x08 |
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545 # define CLASS_o7 0x04 |
|
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546 # define CLASS_o9 0x02 |
|
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547 # define CLASS_underscore 0x01 |
|
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548 |
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549 int newl = FALSE; |
| 4444 | 550 char_u *p; |
|
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551 int config = 0; |
| 4444 | 552 |
| 553 if (extra_newl == TRUE) | |
| 554 newl = TRUE; | |
| 555 | |
| 556 if (*end != ']') | |
| 557 return FAIL; | |
| 558 p = start; | |
| 559 if (*p == '^') | |
| 560 { | |
|
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561 config |= CLASS_not; |
|
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|
562 p++; |
| 4444 | 563 } |
| 564 | |
| 565 while (p < end) | |
| 566 { | |
| 567 if (p + 2 < end && *(p + 1) == '-') | |
| 568 { | |
| 569 switch (*p) | |
| 570 { | |
| 571 case '0': | |
| 572 if (*(p + 2) == '9') | |
| 573 { | |
|
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574 config |= CLASS_o9; |
| 4444 | 575 break; |
| 576 } | |
| 577 if (*(p + 2) == '7') | |
| 578 { | |
|
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579 config |= CLASS_o7; |
| 4444 | 580 break; |
| 581 } | |
|
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|
582 return FAIL; |
|
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|
583 |
| 4444 | 584 case 'a': |
| 585 if (*(p + 2) == 'z') | |
| 586 { | |
|
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587 config |= CLASS_az; |
| 4444 | 588 break; |
| 589 } | |
| 590 if (*(p + 2) == 'f') | |
| 591 { | |
|
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592 config |= CLASS_af; |
| 4444 | 593 break; |
| 594 } | |
|
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595 return FAIL; |
|
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|
596 |
| 4444 | 597 case 'A': |
| 598 if (*(p + 2) == 'Z') | |
| 599 { | |
|
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600 config |= CLASS_AZ; |
| 4444 | 601 break; |
| 602 } | |
| 603 if (*(p + 2) == 'F') | |
| 604 { | |
|
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605 config |= CLASS_AF; |
| 4444 | 606 break; |
| 607 } | |
|
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|
608 return FAIL; |
|
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|
609 |
| 4444 | 610 default: |
| 611 return FAIL; | |
| 612 } | |
| 613 p += 3; | |
| 614 } | |
| 615 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
| 616 { | |
| 617 newl = TRUE; | |
| 618 p += 2; | |
| 619 } | |
| 620 else if (*p == '_') | |
| 621 { | |
|
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|
622 config |= CLASS_underscore; |
| 4444 | 623 p ++; |
| 624 } | |
| 625 else if (*p == '\n') | |
| 626 { | |
| 627 newl = TRUE; | |
| 628 p ++; | |
| 629 } | |
| 630 else | |
| 631 return FAIL; | |
| 632 } /* while (p < end) */ | |
| 633 | |
| 634 if (p != end) | |
| 635 return FAIL; | |
| 636 | |
| 637 if (newl == TRUE) | |
| 5296 | 638 extra_newl = NFA_ADD_NL; |
|
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|
639 |
|
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640 switch (config) |
| 4444 | 641 { |
|
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|
642 case CLASS_o9: |
|
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|
643 return extra_newl + NFA_DIGIT; |
|
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644 case CLASS_not | CLASS_o9: |
|
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645 return extra_newl + NFA_NDIGIT; |
|
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|
646 case CLASS_af | CLASS_AF | CLASS_o9: |
|
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|
647 return extra_newl + NFA_HEX; |
|
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|
648 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9: |
|
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|
649 return extra_newl + NFA_NHEX; |
|
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650 case CLASS_o7: |
|
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|
651 return extra_newl + NFA_OCTAL; |
|
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652 case CLASS_not | CLASS_o7: |
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653 return extra_newl + NFA_NOCTAL; |
|
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|
654 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
|
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|
655 return extra_newl + NFA_WORD; |
|
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|
656 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
|
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657 return extra_newl + NFA_NWORD; |
|
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658 case CLASS_az | CLASS_AZ | CLASS_underscore: |
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|
659 return extra_newl + NFA_HEAD; |
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660 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore: |
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|
661 return extra_newl + NFA_NHEAD; |
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662 case CLASS_az | CLASS_AZ: |
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|
663 return extra_newl + NFA_ALPHA; |
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|
664 case CLASS_not | CLASS_az | CLASS_AZ: |
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|
665 return extra_newl + NFA_NALPHA; |
|
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|
666 case CLASS_az: |
| 5296 | 667 return extra_newl + NFA_LOWER_IC; |
|
4728
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668 case CLASS_not | CLASS_az: |
| 5296 | 669 return extra_newl + NFA_NLOWER_IC; |
|
4728
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|
670 case CLASS_AZ: |
| 5296 | 671 return extra_newl + NFA_UPPER_IC; |
|
4728
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|
672 case CLASS_not | CLASS_AZ: |
| 5296 | 673 return extra_newl + NFA_NUPPER_IC; |
| 4444 | 674 } |
| 675 return FAIL; | |
| 676 } | |
| 677 | |
| 678 /* | |
| 679 * Produce the bytes for equivalence class "c". | |
| 680 * Currently only handles latin1, latin9 and utf-8. | |
| 681 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
| 682 * equivalent to 'a OR b OR c' | |
| 683 * | |
| 684 * NOTE! When changing this function, also update reg_equi_class() | |
| 685 */ | |
| 686 static int | |
|
7833
c079097365f3
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|
687 nfa_emit_equi_class(int c) |
| 4444 | 688 { |
| 5351 | 689 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT); |
| 690 #ifdef FEAT_MBYTE | |
| 691 # define EMITMBC(c) EMIT(c); EMIT(NFA_CONCAT); | |
| 692 #else | |
| 693 # define EMITMBC(c) | |
| 694 #endif | |
| 4444 | 695 |
| 696 #ifdef FEAT_MBYTE | |
| 697 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 | |
| 698 || STRCMP(p_enc, "iso-8859-15") == 0) | |
| 699 #endif | |
| 700 { | |
|
8841
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|
701 #ifdef EBCDIC |
|
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|
702 # define A_circumflex 0x62 |
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diff
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|
703 # define A_diaeresis 0x63 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
704 # define A_grave 0x64 |
|
f196308a2813
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diff
changeset
|
705 # define A_acute 0x65 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
706 # define A_virguilla 0x66 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
707 # define A_ring 0x67 |
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diff
changeset
|
708 # define C_cedilla 0x68 |
|
f196308a2813
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|
709 # define E_acute 0x71 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
710 # define E_circumflex 0x72 |
|
f196308a2813
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diff
changeset
|
711 # define E_diaeresis 0x73 |
|
f196308a2813
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diff
changeset
|
712 # define E_grave 0x74 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
713 # define I_acute 0x75 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
714 # define I_circumflex 0x76 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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|
715 # define I_diaeresis 0x77 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
716 # define I_grave 0x78 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
717 # define N_virguilla 0x69 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
718 # define O_circumflex 0xeb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
719 # define O_diaeresis 0xec |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
720 # define O_grave 0xed |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
721 # define O_acute 0xee |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
722 # define O_virguilla 0xef |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
723 # define O_slash 0x80 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
724 # define U_circumflex 0xfb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
8021
diff
changeset
|
725 # define U_diaeresis 0xfc |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
726 # define U_grave 0xfd |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
8021
diff
changeset
|
727 # define U_acute 0xfe |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
8021
diff
changeset
|
728 # define Y_acute 0xba |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
729 # define a_grave 0x42 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
730 # define a_acute 0x43 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
731 # define a_circumflex 0x44 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
732 # define a_virguilla 0x45 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
733 # define a_diaeresis 0x46 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
734 # define a_ring 0x47 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
735 # define c_cedilla 0x48 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
736 # define e_grave 0x51 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
737 # define e_acute 0x52 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
738 # define e_circumflex 0x53 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
739 # define e_diaeresis 0x54 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
740 # define i_grave 0x55 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
8021
diff
changeset
|
741 # define i_acute 0x56 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
8021
diff
changeset
|
742 # define i_circumflex 0x57 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
743 # define i_diaeresis 0x58 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
744 # define n_virguilla 0x49 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
745 # define o_grave 0xcb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
746 # define o_acute 0xcc |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
747 # define o_circumflex 0xcd |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
748 # define o_virguilla 0xce |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
749 # define o_diaeresis 0xcf |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
750 # define o_slash 0x70 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
751 # define u_grave 0xdb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
752 # define u_acute 0xdc |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
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|
753 # define u_circumflex 0xdd |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
754 # define u_diaeresis 0xde |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
755 # define y_acute 0x8d |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
756 # define y_diaeresis 0xdf |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
757 #else |
|
f196308a2813
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diff
changeset
|
758 # define A_grave 0xc0 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
759 # define A_acute 0xc1 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
760 # define A_circumflex 0xc2 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
761 # define A_virguilla 0xc3 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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changeset
|
762 # define A_diaeresis 0xc4 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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changeset
|
763 # define A_ring 0xc5 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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|
764 # define C_cedilla 0xc7 |
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f196308a2813
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|
765 # define E_grave 0xc8 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
766 # define E_acute 0xc9 |
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diff
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|
767 # define E_circumflex 0xca |
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f196308a2813
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Christian Brabandt <cb@256bit.org>
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768 # define E_diaeresis 0xcb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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|
769 # define I_grave 0xcc |
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
770 # define I_acute 0xcd |
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f196308a2813
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parents:
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771 # define I_circumflex 0xce |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
772 # define I_diaeresis 0xcf |
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diff
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|
773 # define N_virguilla 0xd1 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
774 # define O_grave 0xd2 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
|
775 # define O_acute 0xd3 |
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f196308a2813
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diff
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|
776 # define O_circumflex 0xd4 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
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777 # define O_virguilla 0xd5 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
778 # define O_diaeresis 0xd6 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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779 # define O_slash 0xd8 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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|
780 # define U_grave 0xd9 |
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f196308a2813
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|
781 # define U_acute 0xda |
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f196308a2813
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Christian Brabandt <cb@256bit.org>
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782 # define U_circumflex 0xdb |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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diff
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783 # define U_diaeresis 0xdc |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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784 # define Y_acute 0xdd |
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f196308a2813
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785 # define a_grave 0xe0 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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786 # define a_acute 0xe1 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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787 # define a_circumflex 0xe2 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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788 # define a_virguilla 0xe3 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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789 # define a_diaeresis 0xe4 |
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f196308a2813
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790 # define a_ring 0xe5 |
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f196308a2813
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791 # define c_cedilla 0xe7 |
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f196308a2813
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792 # define e_grave 0xe8 |
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f196308a2813
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793 # define e_acute 0xe9 |
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f196308a2813
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794 # define e_circumflex 0xea |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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795 # define e_diaeresis 0xeb |
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f196308a2813
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796 # define i_grave 0xec |
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f196308a2813
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797 # define i_acute 0xed |
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f196308a2813
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798 # define i_circumflex 0xee |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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799 # define i_diaeresis 0xef |
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f196308a2813
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800 # define n_virguilla 0xf1 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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801 # define o_grave 0xf2 |
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802 # define o_acute 0xf3 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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803 # define o_circumflex 0xf4 |
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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804 # define o_virguilla 0xf5 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
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805 # define o_diaeresis 0xf6 |
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f196308a2813
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changeset
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806 # define o_slash 0xf8 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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807 # define u_grave 0xf9 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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808 # define u_acute 0xfa |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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809 # define u_circumflex 0xfb |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
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810 # define u_diaeresis 0xfc |
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f196308a2813
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811 # define y_acute 0xfd |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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diff
changeset
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812 # define y_diaeresis 0xff |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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813 #endif |
| 4444 | 814 switch (c) |
| 815 { | |
|
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816 case 'A': case A_grave: case A_acute: case A_circumflex: |
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parents:
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817 case A_virguilla: case A_diaeresis: case A_ring: |
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818 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104) |
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819 CASEMBC(0x1cd) CASEMBC(0x1de) CASEMBC(0x1e0) |
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820 CASEMBC(0x1ea2) |
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821 EMIT2('A'); EMIT2(A_grave); EMIT2(A_acute); |
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822 EMIT2(A_circumflex); EMIT2(A_virguilla); |
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823 EMIT2(A_diaeresis); EMIT2(A_ring); |
| 5351 | 824 EMITMBC(0x100) EMITMBC(0x102) EMITMBC(0x104) |
| 825 EMITMBC(0x1cd) EMITMBC(0x1de) EMITMBC(0x1e0) | |
| 826 EMITMBC(0x1ea2) | |
| 827 return OK; | |
| 828 | |
| 829 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06) | |
| 830 EMIT2('B'); EMITMBC(0x1e02) EMITMBC(0x1e06) | |
| 4444 | 831 return OK; |
| 832 | |
|
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833 case 'C': case C_cedilla: CASEMBC(0x106) CASEMBC(0x108) |
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834 CASEMBC(0x10a) CASEMBC(0x10c) |
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835 EMIT2('C'); EMIT2(C_cedilla); |
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836 EMITMBC(0x106) EMITMBC(0x108) |
| 5351 | 837 EMITMBC(0x10a) EMITMBC(0x10c) |
| 838 return OK; | |
| 839 | |
| 840 case 'D': CASEMBC(0x10e) CASEMBC(0x110) CASEMBC(0x1e0a) | |
|
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841 CASEMBC(0x1e0e) CASEMBC(0x1e10) |
| 5351 | 842 EMIT2('D'); EMITMBC(0x10e) EMITMBC(0x110) EMITMBC(0x1e0a) |
| 843 EMITMBC(0x1e0e) EMITMBC(0x1e10) | |
| 4444 | 844 return OK; |
| 845 | |
|
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846 case 'E': case E_grave: case E_acute: case E_circumflex: |
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847 case E_diaeresis: CASEMBC(0x112) CASEMBC(0x114) |
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848 CASEMBC(0x116) CASEMBC(0x118) CASEMBC(0x11a) |
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849 CASEMBC(0x1eba) CASEMBC(0x1ebc) |
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850 EMIT2('E'); EMIT2(E_grave); EMIT2(E_acute); |
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851 EMIT2(E_circumflex); EMIT2(E_diaeresis); |
| 5351 | 852 EMITMBC(0x112) EMITMBC(0x114) EMITMBC(0x116) |
| 853 EMITMBC(0x118) EMITMBC(0x11a) EMITMBC(0x1eba) | |
| 854 EMITMBC(0x1ebc) | |
| 855 return OK; | |
| 856 | |
| 857 case 'F': CASEMBC(0x1e1e) | |
| 858 EMIT2('F'); EMITMBC(0x1e1e) | |
| 859 return OK; | |
| 860 | |
| 861 case 'G': CASEMBC(0x11c) CASEMBC(0x11e) CASEMBC(0x120) | |
|
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862 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6) |
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|
863 CASEMBC(0x1f4) CASEMBC(0x1e20) |
| 5351 | 864 EMIT2('G'); EMITMBC(0x11c) EMITMBC(0x11e) EMITMBC(0x120) |
| 865 EMITMBC(0x122) EMITMBC(0x1e4) EMITMBC(0x1e6) | |
| 866 EMITMBC(0x1f4) EMITMBC(0x1e20) | |
| 867 return OK; | |
| 868 | |
| 869 case 'H': CASEMBC(0x124) CASEMBC(0x126) CASEMBC(0x1e22) | |
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|
870 CASEMBC(0x1e26) CASEMBC(0x1e28) |
| 5351 | 871 EMIT2('H'); EMITMBC(0x124) EMITMBC(0x126) EMITMBC(0x1e22) |
| 872 EMITMBC(0x1e26) EMITMBC(0x1e28) | |
| 4444 | 873 return OK; |
| 874 | |
|
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875 case 'I': case I_grave: case I_acute: case I_circumflex: |
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876 case I_diaeresis: CASEMBC(0x128) CASEMBC(0x12a) |
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877 CASEMBC(0x12c) CASEMBC(0x12e) CASEMBC(0x130) |
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878 CASEMBC(0x1cf) CASEMBC(0x1ec8) |
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879 EMIT2('I'); EMIT2(I_grave); EMIT2(I_acute); |
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880 EMIT2(I_circumflex); EMIT2(I_diaeresis); |
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881 EMITMBC(0x128) EMITMBC(0x12a) |
| 5351 | 882 EMITMBC(0x12c) EMITMBC(0x12e) EMITMBC(0x130) |
| 883 EMITMBC(0x1cf) EMITMBC(0x1ec8) | |
| 884 return OK; | |
| 885 | |
| 886 case 'J': CASEMBC(0x134) | |
| 887 EMIT2('J'); EMITMBC(0x134) | |
| 888 return OK; | |
| 889 | |
| 890 case 'K': CASEMBC(0x136) CASEMBC(0x1e8) CASEMBC(0x1e30) | |
|
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|
891 CASEMBC(0x1e34) |
| 5351 | 892 EMIT2('K'); EMITMBC(0x136) EMITMBC(0x1e8) EMITMBC(0x1e30) |
| 893 EMITMBC(0x1e34) | |
| 894 return OK; | |
| 895 | |
| 896 case 'L': CASEMBC(0x139) CASEMBC(0x13b) CASEMBC(0x13d) | |
|
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897 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a) |
| 5351 | 898 EMIT2('L'); EMITMBC(0x139) EMITMBC(0x13b) EMITMBC(0x13d) |
| 899 EMITMBC(0x13f) EMITMBC(0x141) EMITMBC(0x1e3a) | |
| 900 return OK; | |
| 901 | |
| 902 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40) | |
| 903 EMIT2('M'); EMITMBC(0x1e3e) EMITMBC(0x1e40) | |
| 4444 | 904 return OK; |
| 905 | |
|
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906 case 'N': case N_virguilla: CASEMBC(0x143) CASEMBC(0x145) |
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907 CASEMBC(0x147) CASEMBC(0x1e44) CASEMBC(0x1e48) |
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908 EMIT2('N'); EMIT2(N_virguilla); |
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|
909 EMITMBC(0x143) EMITMBC(0x145) |
| 5351 | 910 EMITMBC(0x147) EMITMBC(0x1e44) EMITMBC(0x1e48) |
| 4444 | 911 return OK; |
| 912 | |
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913 case 'O': case O_grave: case O_acute: case O_circumflex: |
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914 case O_virguilla: case O_diaeresis: case O_slash: |
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915 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150) |
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916 CASEMBC(0x1a0) CASEMBC(0x1d1) CASEMBC(0x1ea) |
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917 CASEMBC(0x1ec) CASEMBC(0x1ece) |
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918 EMIT2('O'); EMIT2(O_grave); EMIT2(O_acute); |
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919 EMIT2(O_circumflex); EMIT2(O_virguilla); |
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920 EMIT2(O_diaeresis); EMIT2(O_slash); |
| 5351 | 921 EMITMBC(0x14c) EMITMBC(0x14e) EMITMBC(0x150) |
| 922 EMITMBC(0x1a0) EMITMBC(0x1d1) EMITMBC(0x1ea) | |
| 923 EMITMBC(0x1ec) EMITMBC(0x1ece) | |
| 924 return OK; | |
| 925 | |
| 926 case 'P': case 0x1e54: case 0x1e56: | |
| 927 EMIT2('P'); EMITMBC(0x1e54) EMITMBC(0x1e56) | |
| 928 return OK; | |
| 929 | |
| 930 case 'R': CASEMBC(0x154) CASEMBC(0x156) CASEMBC(0x158) | |
|
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931 CASEMBC(0x1e58) CASEMBC(0x1e5e) |
| 5351 | 932 EMIT2('R'); EMITMBC(0x154) EMITMBC(0x156) EMITMBC(0x158) |
| 933 EMITMBC(0x1e58) EMITMBC(0x1e5e) | |
| 934 return OK; | |
| 935 | |
| 936 case 'S': CASEMBC(0x15a) CASEMBC(0x15c) CASEMBC(0x15e) | |
|
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937 CASEMBC(0x160) CASEMBC(0x1e60) |
| 5351 | 938 EMIT2('S'); EMITMBC(0x15a) EMITMBC(0x15c) EMITMBC(0x15e) |
| 939 EMITMBC(0x160) EMITMBC(0x1e60) | |
| 940 return OK; | |
| 941 | |
| 942 case 'T': CASEMBC(0x162) CASEMBC(0x164) CASEMBC(0x166) | |
|
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943 CASEMBC(0x1e6a) CASEMBC(0x1e6e) |
| 5351 | 944 EMIT2('T'); EMITMBC(0x162) EMITMBC(0x164) EMITMBC(0x166) |
| 945 EMITMBC(0x1e6a) EMITMBC(0x1e6e) | |
| 4444 | 946 return OK; |
| 947 | |
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948 case 'U': case U_grave: case U_acute: case U_diaeresis: |
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949 case U_circumflex: CASEMBC(0x168) CASEMBC(0x16a) |
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950 CASEMBC(0x16c) CASEMBC(0x16e) CASEMBC(0x170) |
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951 CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3) |
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952 CASEMBC(0x1ee6) |
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diff
changeset
|
953 EMIT2('U'); EMIT2(U_grave); EMIT2(U_acute); |
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f196308a2813
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diff
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|
954 EMIT2(U_diaeresis); EMIT2(U_circumflex); |
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diff
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955 EMITMBC(0x168) EMITMBC(0x16a) |
| 5351 | 956 EMITMBC(0x16c) EMITMBC(0x16e) EMITMBC(0x170) |
| 957 EMITMBC(0x172) EMITMBC(0x1af) EMITMBC(0x1d3) | |
| 958 EMITMBC(0x1ee6) | |
| 959 return OK; | |
| 960 | |
| 961 case 'V': CASEMBC(0x1e7c) | |
| 962 EMIT2('V'); EMITMBC(0x1e7c) | |
| 963 return OK; | |
| 964 | |
| 965 case 'W': CASEMBC(0x174) CASEMBC(0x1e80) CASEMBC(0x1e82) | |
|
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diff
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|
966 CASEMBC(0x1e84) CASEMBC(0x1e86) |
| 5351 | 967 EMIT2('W'); EMITMBC(0x174) EMITMBC(0x1e80) EMITMBC(0x1e82) |
| 968 EMITMBC(0x1e84) EMITMBC(0x1e86) | |
| 969 return OK; | |
| 970 | |
| 971 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c) | |
| 972 EMIT2('X'); EMITMBC(0x1e8a) EMITMBC(0x1e8c) | |
| 4444 | 973 return OK; |
| 974 | |
|
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975 case 'Y': case Y_acute: CASEMBC(0x176) CASEMBC(0x178) |
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976 CASEMBC(0x1e8e) CASEMBC(0x1ef2) CASEMBC(0x1ef6) |
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977 CASEMBC(0x1ef8) |
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978 EMIT2('Y'); EMIT2(Y_acute); |
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979 EMITMBC(0x176) EMITMBC(0x178) |
| 5351 | 980 EMITMBC(0x1e8e) EMITMBC(0x1ef2) EMITMBC(0x1ef6) |
| 981 EMITMBC(0x1ef8) | |
| 982 return OK; | |
| 983 | |
| 984 case 'Z': CASEMBC(0x179) CASEMBC(0x17b) CASEMBC(0x17d) | |
|
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985 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94) |
| 5351 | 986 EMIT2('Z'); EMITMBC(0x179) EMITMBC(0x17b) EMITMBC(0x17d) |
| 987 EMITMBC(0x1b5) EMITMBC(0x1e90) EMITMBC(0x1e94) | |
| 4444 | 988 return OK; |
| 989 | |
|
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990 case 'a': case a_grave: case a_acute: case a_circumflex: |
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991 case a_virguilla: case a_diaeresis: case a_ring: |
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992 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105) |
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993 CASEMBC(0x1ce) CASEMBC(0x1df) CASEMBC(0x1e1) |
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994 CASEMBC(0x1ea3) |
|
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995 EMIT2('a'); EMIT2(a_grave); EMIT2(a_acute); |
|
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996 EMIT2(a_circumflex); EMIT2(a_virguilla); |
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|
997 EMIT2(a_diaeresis); EMIT2(a_ring); |
| 5351 | 998 EMITMBC(0x101) EMITMBC(0x103) EMITMBC(0x105) |
| 999 EMITMBC(0x1ce) EMITMBC(0x1df) EMITMBC(0x1e1) | |
| 1000 EMITMBC(0x1ea3) | |
| 1001 return OK; | |
| 1002 | |
| 1003 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07) | |
| 1004 EMIT2('b'); EMITMBC(0x1e03) EMITMBC(0x1e07) | |
| 4444 | 1005 return OK; |
| 1006 | |
|
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1007 case 'c': case c_cedilla: CASEMBC(0x107) CASEMBC(0x109) |
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1008 CASEMBC(0x10b) CASEMBC(0x10d) |
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1009 EMIT2('c'); EMIT2(c_cedilla); |
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1010 EMITMBC(0x107) EMITMBC(0x109) |
| 5351 | 1011 EMITMBC(0x10b) EMITMBC(0x10d) |
| 1012 return OK; | |
| 1013 | |
| 6914 | 1014 case 'd': CASEMBC(0x10f) CASEMBC(0x111) CASEMBC(0x1e0b) |
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1015 CASEMBC(0x1e0f) CASEMBC(0x1e11) |
| 6914 | 1016 EMIT2('d'); EMITMBC(0x10f) EMITMBC(0x111) |
| 1017 EMITMBC(0x1e0b) EMITMBC(0x1e0f) EMITMBC(0x1e11) | |
| 4444 | 1018 return OK; |
| 1019 | |
|
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1020 case 'e': case e_grave: case e_acute: case e_circumflex: |
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1021 case e_diaeresis: CASEMBC(0x113) CASEMBC(0x115) |
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1022 CASEMBC(0x117) CASEMBC(0x119) CASEMBC(0x11b) |
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1023 CASEMBC(0x1ebb) CASEMBC(0x1ebd) |
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1024 EMIT2('e'); EMIT2(e_grave); EMIT2(e_acute); |
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1025 EMIT2(e_circumflex); EMIT2(e_diaeresis); |
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1026 EMITMBC(0x113) EMITMBC(0x115) |
| 5351 | 1027 EMITMBC(0x117) EMITMBC(0x119) EMITMBC(0x11b) |
| 1028 EMITMBC(0x1ebb) EMITMBC(0x1ebd) | |
| 1029 return OK; | |
| 1030 | |
| 1031 case 'f': CASEMBC(0x1e1f) | |
| 1032 EMIT2('f'); EMITMBC(0x1e1f) | |
| 1033 return OK; | |
| 1034 | |
| 1035 case 'g': CASEMBC(0x11d) CASEMBC(0x11f) CASEMBC(0x121) | |
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1036 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7) |
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1037 CASEMBC(0x1f5) CASEMBC(0x1e21) |
| 5351 | 1038 EMIT2('g'); EMITMBC(0x11d) EMITMBC(0x11f) EMITMBC(0x121) |
| 1039 EMITMBC(0x123) EMITMBC(0x1e5) EMITMBC(0x1e7) | |
| 1040 EMITMBC(0x1f5) EMITMBC(0x1e21) | |
| 1041 return OK; | |
| 1042 | |
| 1043 case 'h': CASEMBC(0x125) CASEMBC(0x127) CASEMBC(0x1e23) | |
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1044 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96) |
| 5351 | 1045 EMIT2('h'); EMITMBC(0x125) EMITMBC(0x127) EMITMBC(0x1e23) |
| 1046 EMITMBC(0x1e27) EMITMBC(0x1e29) EMITMBC(0x1e96) | |
| 4444 | 1047 return OK; |
| 1048 | |
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1049 case 'i': case i_grave: case i_acute: case i_circumflex: |
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1050 case i_diaeresis: CASEMBC(0x129) CASEMBC(0x12b) |
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1051 CASEMBC(0x12d) CASEMBC(0x12f) CASEMBC(0x1d0) |
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1052 CASEMBC(0x1ec9) |
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1053 EMIT2('i'); EMIT2(i_grave); EMIT2(i_acute); |
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1054 EMIT2(i_circumflex); EMIT2(i_diaeresis); |
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1055 EMITMBC(0x129) EMITMBC(0x12b) |
| 5351 | 1056 EMITMBC(0x12d) EMITMBC(0x12f) EMITMBC(0x1d0) |
| 1057 EMITMBC(0x1ec9) | |
| 1058 return OK; | |
| 1059 | |
| 1060 case 'j': CASEMBC(0x135) CASEMBC(0x1f0) | |
| 1061 EMIT2('j'); EMITMBC(0x135) EMITMBC(0x1f0) | |
| 1062 return OK; | |
| 1063 | |
| 1064 case 'k': CASEMBC(0x137) CASEMBC(0x1e9) CASEMBC(0x1e31) | |
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1065 CASEMBC(0x1e35) |
| 5351 | 1066 EMIT2('k'); EMITMBC(0x137) EMITMBC(0x1e9) EMITMBC(0x1e31) |
| 1067 EMITMBC(0x1e35) | |
| 1068 return OK; | |
| 1069 | |
| 1070 case 'l': CASEMBC(0x13a) CASEMBC(0x13c) CASEMBC(0x13e) | |
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1071 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b) |
| 5351 | 1072 EMIT2('l'); EMITMBC(0x13a) EMITMBC(0x13c) EMITMBC(0x13e) |
| 1073 EMITMBC(0x140) EMITMBC(0x142) EMITMBC(0x1e3b) | |
| 1074 return OK; | |
| 1075 | |
| 1076 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41) | |
| 1077 EMIT2('m'); EMITMBC(0x1e3f) EMITMBC(0x1e41) | |
| 4444 | 1078 return OK; |
| 1079 | |
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1080 case 'n': case n_virguilla: CASEMBC(0x144) CASEMBC(0x146) |
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1081 CASEMBC(0x148) CASEMBC(0x149) CASEMBC(0x1e45) |
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1082 CASEMBC(0x1e49) |
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1083 EMIT2('n'); EMIT2(n_virguilla); |
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1084 EMITMBC(0x144) EMITMBC(0x146) |
| 5351 | 1085 EMITMBC(0x148) EMITMBC(0x149) EMITMBC(0x1e45) |
| 1086 EMITMBC(0x1e49) | |
| 4444 | 1087 return OK; |
| 1088 | |
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1089 case 'o': case o_grave: case o_acute: case o_circumflex: |
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1090 case o_virguilla: case o_diaeresis: case o_slash: |
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1091 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151) |
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1092 CASEMBC(0x1a1) CASEMBC(0x1d2) CASEMBC(0x1eb) |
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1093 CASEMBC(0x1ed) CASEMBC(0x1ecf) |
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1094 EMIT2('o'); EMIT2(o_grave); EMIT2(o_acute); |
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1095 EMIT2(o_circumflex); EMIT2(o_virguilla); |
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1096 EMIT2(o_diaeresis); EMIT2(o_slash); |
| 5351 | 1097 EMITMBC(0x14d) EMITMBC(0x14f) EMITMBC(0x151) |
| 1098 EMITMBC(0x1a1) EMITMBC(0x1d2) EMITMBC(0x1eb) | |
| 1099 EMITMBC(0x1ed) EMITMBC(0x1ecf) | |
| 1100 return OK; | |
| 1101 | |
| 1102 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57) | |
| 1103 EMIT2('p'); EMITMBC(0x1e55) EMITMBC(0x1e57) | |
| 1104 return OK; | |
| 1105 | |
| 1106 case 'r': CASEMBC(0x155) CASEMBC(0x157) CASEMBC(0x159) | |
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1107 CASEMBC(0x1e59) CASEMBC(0x1e5f) |
| 5351 | 1108 EMIT2('r'); EMITMBC(0x155) EMITMBC(0x157) EMITMBC(0x159) |
| 1109 EMITMBC(0x1e59) EMITMBC(0x1e5f) | |
| 1110 return OK; | |
| 1111 | |
| 1112 case 's': CASEMBC(0x15b) CASEMBC(0x15d) CASEMBC(0x15f) | |
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1113 CASEMBC(0x161) CASEMBC(0x1e61) |
| 5351 | 1114 EMIT2('s'); EMITMBC(0x15b) EMITMBC(0x15d) EMITMBC(0x15f) |
| 1115 EMITMBC(0x161) EMITMBC(0x1e61) | |
| 1116 return OK; | |
| 1117 | |
| 1118 case 't': CASEMBC(0x163) CASEMBC(0x165) CASEMBC(0x167) | |
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1119 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97) |
| 5351 | 1120 EMIT2('t'); EMITMBC(0x163) EMITMBC(0x165) EMITMBC(0x167) |
| 1121 EMITMBC(0x1e6b) EMITMBC(0x1e6f) EMITMBC(0x1e97) | |
| 4444 | 1122 return OK; |
| 1123 | |
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1124 case 'u': case u_grave: case u_acute: case u_circumflex: |
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1125 case u_diaeresis: CASEMBC(0x169) CASEMBC(0x16b) |
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1126 CASEMBC(0x16d) CASEMBC(0x16f) CASEMBC(0x171) |
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1127 CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4) |
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1128 CASEMBC(0x1ee7) |
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1129 EMIT2('u'); EMIT2(u_grave); EMIT2(u_acute); |
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1130 EMIT2(u_circumflex); EMIT2(u_diaeresis); |
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1131 EMITMBC(0x169) EMITMBC(0x16b) |
| 5351 | 1132 EMITMBC(0x16d) EMITMBC(0x16f) EMITMBC(0x171) |
| 1133 EMITMBC(0x173) EMITMBC(0x1b0) EMITMBC(0x1d4) | |
| 1134 EMITMBC(0x1ee7) | |
| 1135 return OK; | |
| 1136 | |
| 1137 case 'v': CASEMBC(0x1e7d) | |
| 1138 EMIT2('v'); EMITMBC(0x1e7d) | |
| 1139 return OK; | |
| 1140 | |
| 1141 case 'w': CASEMBC(0x175) CASEMBC(0x1e81) CASEMBC(0x1e83) | |
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1142 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98) |
| 5351 | 1143 EMIT2('w'); EMITMBC(0x175) EMITMBC(0x1e81) EMITMBC(0x1e83) |
| 1144 EMITMBC(0x1e85) EMITMBC(0x1e87) EMITMBC(0x1e98) | |
| 1145 return OK; | |
| 1146 | |
| 1147 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d) | |
| 1148 EMIT2('x'); EMITMBC(0x1e8b) EMITMBC(0x1e8d) | |
| 4444 | 1149 return OK; |
| 1150 | |
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1151 case 'y': case y_acute: case y_diaeresis: CASEMBC(0x177) |
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1152 CASEMBC(0x1e8f) CASEMBC(0x1e99) CASEMBC(0x1ef3) |
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1153 CASEMBC(0x1ef7) CASEMBC(0x1ef9) |
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1154 EMIT2('y'); EMIT2(y_acute); EMIT2(y_diaeresis); |
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1155 EMITMBC(0x177) |
| 5351 | 1156 EMITMBC(0x1e8f) EMITMBC(0x1e99) EMITMBC(0x1ef3) |
| 1157 EMITMBC(0x1ef7) EMITMBC(0x1ef9) | |
| 4444 | 1158 return OK; |
| 1159 | |
| 5351 | 1160 case 'z': CASEMBC(0x17a) CASEMBC(0x17c) CASEMBC(0x17e) |
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1161 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95) |
| 5351 | 1162 EMIT2('z'); EMITMBC(0x17a) EMITMBC(0x17c) EMITMBC(0x17e) |
| 1163 EMITMBC(0x1b6) EMITMBC(0x1e91) EMITMBC(0x1e95) | |
| 1164 return OK; | |
| 1165 | |
| 1166 /* default: character itself */ | |
| 4444 | 1167 } |
| 1168 } | |
| 1169 | |
| 5351 | 1170 EMIT2(c); |
| 4444 | 1171 return OK; |
| 1172 #undef EMIT2 | |
| 5351 | 1173 #undef EMITMBC |
| 4444 | 1174 } |
| 1175 | |
| 1176 /* | |
| 1177 * Code to parse regular expression. | |
| 1178 * | |
| 1179 * We try to reuse parsing functions in regexp.c to | |
| 1180 * minimize surprise and keep the syntax consistent. | |
| 1181 */ | |
| 1182 | |
| 1183 /* | |
| 1184 * Parse the lowest level. | |
| 1185 * | |
| 1186 * An atom can be one of a long list of items. Many atoms match one character | |
| 1187 * in the text. It is often an ordinary character or a character class. | |
| 1188 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
| 1189 * is only for syntax highlighting. | |
| 1190 * | |
| 1191 * atom ::= ordinary-atom | |
| 1192 * or \( pattern \) | |
| 1193 * or \%( pattern \) | |
| 1194 * or \z( pattern \) | |
| 1195 */ | |
| 1196 static int | |
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commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
1197 nfa_regatom(void) |
| 4444 | 1198 { |
| 1199 int c; | |
| 1200 int charclass; | |
| 1201 int equiclass; | |
| 1202 int collclass; | |
| 1203 int got_coll_char; | |
| 1204 char_u *p; | |
| 1205 char_u *endp; | |
| 1206 #ifdef FEAT_MBYTE | |
| 1207 char_u *old_regparse = regparse; | |
| 1208 #endif | |
| 1209 int extra = 0; | |
| 1210 int emit_range; | |
| 1211 int negated; | |
| 1212 int result; | |
| 1213 int startc = -1; | |
| 1214 int endc = -1; | |
| 1215 int oldstartc = -1; | |
|
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1216 int save_prev_at_start = prev_at_start; |
| 4444 | 1217 |
| 1218 c = getchr(); | |
| 1219 switch (c) | |
| 1220 { | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1221 case NUL: |
| 5511 | 1222 EMSG_RET_FAIL(_(e_nul_found)); |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1223 |
| 4444 | 1224 case Magic('^'): |
| 1225 EMIT(NFA_BOL); | |
| 1226 break; | |
| 1227 | |
| 1228 case Magic('$'): | |
| 1229 EMIT(NFA_EOL); | |
| 1230 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 1231 had_eol = TRUE; | |
| 1232 #endif | |
| 1233 break; | |
| 1234 | |
| 1235 case Magic('<'): | |
| 1236 EMIT(NFA_BOW); | |
| 1237 break; | |
| 1238 | |
| 1239 case Magic('>'): | |
| 1240 EMIT(NFA_EOW); | |
| 1241 break; | |
| 1242 | |
| 1243 case Magic('_'): | |
| 1244 c = no_Magic(getchr()); | |
| 5511 | 1245 if (c == NUL) |
| 1246 EMSG_RET_FAIL(_(e_nul_found)); | |
| 1247 | |
| 4444 | 1248 if (c == '^') /* "\_^" is start-of-line */ |
| 1249 { | |
| 1250 EMIT(NFA_BOL); | |
| 1251 break; | |
| 1252 } | |
| 1253 if (c == '$') /* "\_$" is end-of-line */ | |
| 1254 { | |
| 1255 EMIT(NFA_EOL); | |
| 1256 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 1257 had_eol = TRUE; | |
| 1258 #endif | |
| 1259 break; | |
| 1260 } | |
| 1261 | |
| 5296 | 1262 extra = NFA_ADD_NL; |
| 4444 | 1263 |
| 1264 /* "\_[" is collection plus newline */ | |
| 1265 if (c == '[') | |
|
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents:
4515
diff
changeset
|
1266 goto collection; |
| 4444 | 1267 |
| 1268 /* "\_x" is character class plus newline */ | |
|
12674
e769c912fcd9
patch 8.0.1215: newer gcc warns for implicit fallthrough
Christian Brabandt <cb@256bit.org>
parents:
11896
diff
changeset
|
1269 /* FALLTHROUGH */ |
| 4444 | 1270 |
| 1271 /* | |
| 1272 * Character classes. | |
| 1273 */ | |
| 1274 case Magic('.'): | |
| 1275 case Magic('i'): | |
| 1276 case Magic('I'): | |
| 1277 case Magic('k'): | |
| 1278 case Magic('K'): | |
| 1279 case Magic('f'): | |
| 1280 case Magic('F'): | |
| 1281 case Magic('p'): | |
| 1282 case Magic('P'): | |
| 1283 case Magic('s'): | |
| 1284 case Magic('S'): | |
| 1285 case Magic('d'): | |
| 1286 case Magic('D'): | |
| 1287 case Magic('x'): | |
| 1288 case Magic('X'): | |
| 1289 case Magic('o'): | |
| 1290 case Magic('O'): | |
| 1291 case Magic('w'): | |
| 1292 case Magic('W'): | |
| 1293 case Magic('h'): | |
| 1294 case Magic('H'): | |
| 1295 case Magic('a'): | |
| 1296 case Magic('A'): | |
| 1297 case Magic('l'): | |
| 1298 case Magic('L'): | |
| 1299 case Magic('u'): | |
| 1300 case Magic('U'): | |
| 1301 p = vim_strchr(classchars, no_Magic(c)); | |
| 1302 if (p == NULL) | |
| 1303 { | |
| 5511 | 1304 if (extra == NFA_ADD_NL) |
| 1305 { | |
| 1306 EMSGN(_(e_ill_char_class), c); | |
| 1307 rc_did_emsg = TRUE; | |
| 1308 return FAIL; | |
| 1309 } | |
|
10540
ea7fbae33285
patch 8.0.0160: EMSG() is sometimes used where it should be IEMSG()
Christian Brabandt <cb@256bit.org>
parents:
10245
diff
changeset
|
1310 IEMSGN("INTERNAL: Unknown character class char: %ld", c); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1311 return FAIL; |
| 4444 | 1312 } |
| 1313 #ifdef FEAT_MBYTE | |
| 1314 /* When '.' is followed by a composing char ignore the dot, so that | |
| 1315 * the composing char is matched here. */ | |
| 1316 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) | |
| 1317 { | |
|
4535
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updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1318 old_regparse = regparse; |
| 4444 | 1319 c = getchr(); |
| 1320 goto nfa_do_multibyte; | |
| 1321 } | |
| 1322 #endif | |
| 1323 EMIT(nfa_classcodes[p - classchars]); | |
| 5296 | 1324 if (extra == NFA_ADD_NL) |
| 4444 | 1325 { |
| 1326 EMIT(NFA_NEWL); | |
| 1327 EMIT(NFA_OR); | |
| 1328 regflags |= RF_HASNL; | |
| 1329 } | |
| 1330 break; | |
| 1331 | |
| 1332 case Magic('n'): | |
| 1333 if (reg_string) | |
|
4781
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1334 /* In a string "\n" matches a newline character. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
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parents:
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diff
changeset
|
1335 EMIT(NL); |
| 4444 | 1336 else |
| 1337 { | |
| 1338 /* In buffer text "\n" matches the end of a line. */ | |
| 1339 EMIT(NFA_NEWL); | |
| 1340 regflags |= RF_HASNL; | |
| 1341 } | |
| 1342 break; | |
| 1343 | |
| 1344 case Magic('('): | |
| 1345 if (nfa_reg(REG_PAREN) == FAIL) | |
| 1346 return FAIL; /* cascaded error */ | |
| 1347 break; | |
| 1348 | |
| 1349 case Magic('|'): | |
| 1350 case Magic('&'): | |
| 1351 case Magic(')'): | |
| 4450 | 1352 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 1353 return FAIL; |
| 1354 | |
| 1355 case Magic('='): | |
| 1356 case Magic('?'): | |
| 1357 case Magic('+'): | |
| 1358 case Magic('@'): | |
| 1359 case Magic('*'): | |
| 1360 case Magic('{'): | |
| 1361 /* these should follow an atom, not form an atom */ | |
| 4450 | 1362 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 1363 return FAIL; |
| 1364 | |
|
4714
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updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1365 case Magic('~'): |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1366 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
1367 char_u *lp; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1368 |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1369 /* Previous substitute pattern. |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
1370 * Generated as "\%(pattern\)". */ |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1371 if (reg_prev_sub == NULL) |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
1372 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
1373 EMSG(_(e_nopresub)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1374 return FAIL; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1375 } |
|
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1376 for (lp = reg_prev_sub; *lp != NUL; MB_CPTR_ADV(lp)) |
|
4714
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
1377 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
4712
diff
changeset
|
1378 EMIT(PTR2CHAR(lp)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
1379 if (lp != reg_prev_sub) |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
1380 EMIT(NFA_CONCAT); |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
1381 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
4712
diff
changeset
|
1382 EMIT(NFA_NOPEN); |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
1383 break; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1384 } |
| 4444 | 1385 |
|
4647
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updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1386 case Magic('1'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1387 case Magic('2'): |
|
857f6c53f117
updated for version 7.3.1071
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parents:
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diff
changeset
|
1388 case Magic('3'): |
|
857f6c53f117
updated for version 7.3.1071
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parents:
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diff
changeset
|
1389 case Magic('4'): |
|
857f6c53f117
updated for version 7.3.1071
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parents:
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diff
changeset
|
1390 case Magic('5'): |
|
857f6c53f117
updated for version 7.3.1071
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parents:
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diff
changeset
|
1391 case Magic('6'): |
|
857f6c53f117
updated for version 7.3.1071
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parents:
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diff
changeset
|
1392 case Magic('7'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1393 case Magic('8'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1394 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
|
1395 { |
|
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1396 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
|
1397 |
|
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1398 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
|
1399 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
|
1400 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
|
1401 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
|
1402 } |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1403 break; |
| 4444 | 1404 |
| 1405 case Magic('z'): | |
| 1406 c = no_Magic(getchr()); | |
| 1407 switch (c) | |
| 1408 { | |
| 1409 case 's': | |
| 1410 EMIT(NFA_ZSTART); | |
| 6170 | 1411 if (re_mult_next("\\zs") == FAIL) |
| 1412 return FAIL; | |
| 4444 | 1413 break; |
| 1414 case 'e': | |
| 1415 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
|
1416 rex.nfa_has_zend = TRUE; |
| 6170 | 1417 if (re_mult_next("\\ze") == FAIL) |
| 1418 return FAIL; | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
1419 break; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1420 #ifdef FEAT_SYN_HL |
| 4444 | 1421 case '1': |
| 1422 case '2': | |
| 1423 case '3': | |
| 1424 case '4': | |
| 1425 case '5': | |
| 1426 case '6': | |
| 1427 case '7': | |
| 1428 case '8': | |
| 1429 case '9': | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1430 /* \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
|
1431 if ((reg_do_extmatch & REX_USE) == 0) |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1432 EMSG_RET_FAIL(_(e_z1_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1433 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
|
1434 /* 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
|
1435 * change when \z1 .. \z9 matches or not. */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1436 re_has_z = REX_USE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1437 break; |
| 4444 | 1438 case '(': |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1439 /* \z( */ |
|
14161
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
14159
diff
changeset
|
1440 if ((reg_do_extmatch & REX_SET) == 0) |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1441 EMSG_RET_FAIL(_(e_z_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
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parents:
4682
diff
changeset
|
1442 if (nfa_reg(REG_ZPAREN) == FAIL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1443 return FAIL; /* cascaded error */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1444 re_has_z = REX_SET; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1445 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1446 #endif |
| 4444 | 1447 default: |
| 4450 | 1448 EMSGN(_("E867: (NFA) Unknown operator '\\z%c'"), |
| 4444 | 1449 no_Magic(c)); |
| 1450 return FAIL; | |
| 1451 } | |
| 1452 break; | |
| 1453 | |
| 1454 case Magic('%'): | |
| 1455 c = no_Magic(getchr()); | |
| 1456 switch (c) | |
| 1457 { | |
| 1458 /* () without a back reference */ | |
| 1459 case '(': | |
| 1460 if (nfa_reg(REG_NPAREN) == FAIL) | |
| 1461 return FAIL; | |
| 1462 EMIT(NFA_NOPEN); | |
| 1463 break; | |
| 1464 | |
| 1465 case 'd': /* %d123 decimal */ | |
| 1466 case 'o': /* %o123 octal */ | |
| 1467 case 'x': /* %xab hex 2 */ | |
| 1468 case 'u': /* %uabcd hex 4 */ | |
| 1469 case 'U': /* %U1234abcd hex 8 */ | |
|
4543
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updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1470 { |
|
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
1471 long nr; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1472 |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1473 switch (c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1474 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1475 case 'd': nr = getdecchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1476 case 'o': nr = getoctchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1477 case 'x': nr = gethexchrs(2); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1478 case 'u': nr = gethexchrs(4); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1479 case 'U': nr = gethexchrs(8); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1480 default: nr = -1; break; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1481 } |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1482 |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1483 if (nr < 0) |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1484 EMSG2_RET_FAIL( |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1485 _("E678: Invalid character after %s%%[dxouU]"), |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1486 reg_magic == MAGIC_ALL); |
| 5360 | 1487 /* 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
|
1488 /* TODO: what if a composing character follows? */ |
| 5360 | 1489 EMIT(nr == 0 ? 0x0a : nr); |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1490 } |
| 4444 | 1491 break; |
| 1492 | |
| 1493 /* Catch \%^ and \%$ regardless of where they appear in the | |
| 1494 * pattern -- regardless of whether or not it makes sense. */ | |
| 1495 case '^': | |
| 1496 EMIT(NFA_BOF); | |
| 1497 break; | |
| 1498 | |
| 1499 case '$': | |
| 1500 EMIT(NFA_EOF); | |
| 1501 break; | |
| 1502 | |
| 1503 case '#': | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1504 EMIT(NFA_CURSOR); |
| 4444 | 1505 break; |
| 1506 | |
| 1507 case 'V': | |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
1508 EMIT(NFA_VISUAL); |
| 4444 | 1509 break; |
| 1510 | |
| 5901 | 1511 case 'C': |
| 1512 EMIT(NFA_ANY_COMPOSING); | |
| 1513 break; | |
| 1514 | |
| 4444 | 1515 case '[': |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1516 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1517 int n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1518 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1519 /* \%[abc] */ |
|
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1520 for (n = 0; (c = peekchr()) != ']'; ++n) |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1521 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1522 if (c == NUL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1523 EMSG2_RET_FAIL(_(e_missing_sb), |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1524 reg_magic == MAGIC_ALL); |
|
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1525 /* recursive call! */ |
|
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1526 if (nfa_regatom() == FAIL) |
|
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1527 return FAIL; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1528 } |
|
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1529 getchr(); /* get the ] */ |
|
4760
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1530 if (n == 0) |
|
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1531 EMSG2_RET_FAIL(_(e_empty_sb), |
|
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1532 reg_magic == MAGIC_ALL); |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1533 EMIT(NFA_OPT_CHARS); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1534 EMIT(n); |
|
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1535 |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1536 /* Emit as "\%(\%[abc]\)" to be able to handle |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1537 * "\%[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
|
1538 * 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
|
1539 * 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
|
1540 * added multiple times. This is more efficient than |
| 6547 | 1541 * 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
|
1542 * a lot. */ |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1543 EMIT(NFA_NOPEN); |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1544 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1545 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1546 |
| 4444 | 1547 default: |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1548 { |
|
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1549 long n = 0; |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1550 int cmp = c; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1551 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1552 if (c == '<' || c == '>') |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1553 c = getchr(); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1554 while (VIM_ISDIGIT(c)) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1555 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1556 n = n * 10 + (c - '0'); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1557 c = getchr(); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1558 } |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1559 if (c == 'l' || c == 'c' || c == 'v') |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1560 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1561 if (c == 'l') |
|
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1562 { |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1563 /* \%{n}l \%{n}<l \%{n}>l */ |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1564 EMIT(cmp == '<' ? NFA_LNUM_LT : |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1565 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
|
1566 if (save_prev_at_start) |
|
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1567 at_start = TRUE; |
|
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1568 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1569 else if (c == 'c') |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1570 /* \%{n}c \%{n}<c \%{n}>c */ |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1571 EMIT(cmp == '<' ? NFA_COL_LT : |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1572 cmp == '>' ? NFA_COL_GT : NFA_COL); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1573 else |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1574 /* \%{n}v \%{n}<v \%{n}>v */ |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1575 EMIT(cmp == '<' ? NFA_VCOL_LT : |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1576 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
|
1577 #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
|
1578 if (n > INT_MAX) |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1579 { |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1580 EMSG(_("E951: \\% value too large")); |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1581 return FAIL; |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1582 } |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1583 #endif |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1584 EMIT((int)n); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1585 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1586 } |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1587 else if (c == '\'' && n == 0) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1588 { |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1589 /* \%'m \%<'m \%>'m */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1590 EMIT(cmp == '<' ? NFA_MARK_LT : |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1591 cmp == '>' ? NFA_MARK_GT : NFA_MARK); |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1592 EMIT(getchr()); |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1593 break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1594 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1595 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1596 EMSGN(_("E867: (NFA) Unknown operator '\\%%%c'"), |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1597 no_Magic(c)); |
| 4444 | 1598 return FAIL; |
| 1599 } | |
| 1600 break; | |
| 1601 | |
| 1602 case Magic('['): | |
|
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents:
4515
diff
changeset
|
1603 collection: |
| 4444 | 1604 /* |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1605 * [abc] uses NFA_START_COLL - NFA_END_COLL |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1606 * [^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
|
1607 * 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
|
1608 * NFA_CONCAT to bind them together. |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1609 * Besides normal characters there can be: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1610 * - character classes NFA_CLASS_* |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1611 * - ranges, two characters followed by NFA_RANGE. |
| 4444 | 1612 */ |
| 1613 | |
| 1614 p = regparse; | |
| 1615 endp = skip_anyof(p); | |
| 1616 if (*endp == ']') | |
| 1617 { | |
| 1618 /* | |
| 1619 * Try to reverse engineer character classes. For example, | |
| 5296 | 1620 * recognize that [0-9] stands for \d and [A-Za-z_] for \h, |
| 4444 | 1621 * and perform the necessary substitutions in the NFA. |
| 1622 */ | |
| 1623 result = nfa_recognize_char_class(regparse, endp, | |
| 5296 | 1624 extra == NFA_ADD_NL); |
| 4444 | 1625 if (result != FAIL) |
| 1626 { | |
| 5296 | 1627 if (result >= NFA_FIRST_NL && result <= NFA_LAST_NL) |
| 4444 | 1628 { |
| 5296 | 1629 EMIT(result - NFA_ADD_NL); |
| 4444 | 1630 EMIT(NFA_NEWL); |
| 1631 EMIT(NFA_OR); | |
| 1632 } | |
| 5296 | 1633 else |
| 1634 EMIT(result); | |
| 4444 | 1635 regparse = endp; |
|
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Christian Brabandt <cb@256bit.org>
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diff
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|
1636 MB_PTR_ADV(regparse); |
| 4444 | 1637 return OK; |
| 1638 } | |
| 1639 /* | |
| 1640 * Failed to recognize a character class. Use the simple | |
| 1641 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
| 1642 */ | |
| 1643 startc = endc = oldstartc = -1; | |
| 1644 negated = FALSE; | |
| 1645 if (*regparse == '^') /* negated range */ | |
| 1646 { | |
| 1647 negated = TRUE; | |
|
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|
1648 MB_PTR_ADV(regparse); |
|
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|
1649 EMIT(NFA_START_NEG_COLL); |
| 4444 | 1650 } |
|
4781
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|
1651 else |
|
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|
1652 EMIT(NFA_START_COLL); |
| 4444 | 1653 if (*regparse == '-') |
| 1654 { | |
| 1655 startc = '-'; | |
| 1656 EMIT(startc); | |
|
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|
1657 EMIT(NFA_CONCAT); |
|
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|
1658 MB_PTR_ADV(regparse); |
| 4444 | 1659 } |
| 1660 /* Emit the OR branches for each character in the [] */ | |
| 1661 emit_range = FALSE; | |
| 1662 while (regparse < endp) | |
| 1663 { | |
| 1664 oldstartc = startc; | |
| 1665 startc = -1; | |
| 1666 got_coll_char = FALSE; | |
| 1667 if (*regparse == '[') | |
| 1668 { | |
| 1669 /* Check for [: :], [= =], [. .] */ | |
| 1670 equiclass = collclass = 0; | |
| 1671 charclass = get_char_class(®parse); | |
| 1672 if (charclass == CLASS_NONE) | |
| 1673 { | |
| 1674 equiclass = get_equi_class(®parse); | |
| 1675 if (equiclass == 0) | |
| 1676 collclass = get_coll_element(®parse); | |
| 1677 } | |
| 1678 | |
| 1679 /* Character class like [:alpha:] */ | |
| 1680 if (charclass != CLASS_NONE) | |
| 1681 { | |
| 1682 switch (charclass) | |
| 1683 { | |
| 1684 case CLASS_ALNUM: | |
| 1685 EMIT(NFA_CLASS_ALNUM); | |
| 1686 break; | |
| 1687 case CLASS_ALPHA: | |
| 1688 EMIT(NFA_CLASS_ALPHA); | |
| 1689 break; | |
| 1690 case CLASS_BLANK: | |
| 1691 EMIT(NFA_CLASS_BLANK); | |
| 1692 break; | |
| 1693 case CLASS_CNTRL: | |
| 1694 EMIT(NFA_CLASS_CNTRL); | |
| 1695 break; | |
| 1696 case CLASS_DIGIT: | |
| 1697 EMIT(NFA_CLASS_DIGIT); | |
| 1698 break; | |
| 1699 case CLASS_GRAPH: | |
| 1700 EMIT(NFA_CLASS_GRAPH); | |
| 1701 break; | |
| 1702 case CLASS_LOWER: | |
| 1703 EMIT(NFA_CLASS_LOWER); | |
| 1704 break; | |
| 1705 case CLASS_PRINT: | |
| 1706 EMIT(NFA_CLASS_PRINT); | |
| 1707 break; | |
| 1708 case CLASS_PUNCT: | |
| 1709 EMIT(NFA_CLASS_PUNCT); | |
| 1710 break; | |
| 1711 case CLASS_SPACE: | |
| 1712 EMIT(NFA_CLASS_SPACE); | |
| 1713 break; | |
| 1714 case CLASS_UPPER: | |
| 1715 EMIT(NFA_CLASS_UPPER); | |
| 1716 break; | |
| 1717 case CLASS_XDIGIT: | |
| 1718 EMIT(NFA_CLASS_XDIGIT); | |
| 1719 break; | |
| 1720 case CLASS_TAB: | |
| 1721 EMIT(NFA_CLASS_TAB); | |
| 1722 break; | |
| 1723 case CLASS_RETURN: | |
| 1724 EMIT(NFA_CLASS_RETURN); | |
| 1725 break; | |
| 1726 case CLASS_BACKSPACE: | |
| 1727 EMIT(NFA_CLASS_BACKSPACE); | |
| 1728 break; | |
| 1729 case CLASS_ESCAPE: | |
| 1730 EMIT(NFA_CLASS_ESCAPE); | |
| 1731 break; | |
| 1732 } | |
|
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|
1733 EMIT(NFA_CONCAT); |
| 4444 | 1734 continue; |
| 1735 } | |
| 1736 /* Try equivalence class [=a=] and the like */ | |
| 1737 if (equiclass != 0) | |
| 1738 { | |
|
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|
1739 result = nfa_emit_equi_class(equiclass); |
| 4444 | 1740 if (result == FAIL) |
| 1741 { | |
| 1742 /* should never happen */ | |
| 1743 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); | |
| 1744 } | |
| 1745 continue; | |
| 1746 } | |
| 1747 /* Try collating class like [. .] */ | |
| 1748 if (collclass != 0) | |
| 1749 { | |
| 1750 startc = collclass; /* allow [.a.]-x as a range */ | |
| 1751 /* Will emit the proper atom at the end of the | |
| 1752 * while loop. */ | |
| 1753 } | |
| 1754 } | |
|
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|
1755 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a |
|
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|
1756 * start character. */ |
|
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|
1757 if (*regparse == '-' && oldstartc != -1) |
| 4444 | 1758 { |
| 1759 emit_range = TRUE; | |
| 1760 startc = oldstartc; | |
|
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|
1761 MB_PTR_ADV(regparse); |
| 4444 | 1762 continue; /* reading the end of the range */ |
| 1763 } | |
| 1764 | |
| 1765 /* Now handle simple and escaped characters. | |
| 1766 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
| 1767 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
| 1768 * 'cpoptions' is not included. | |
| 1769 * Posix doesn't recognize backslash at all. | |
| 1770 */ | |
| 1771 if (*regparse == '\\' | |
|
4744
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diff
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|
1772 && !reg_cpo_bsl |
| 4444 | 1773 && regparse + 1 <= endp |
| 1774 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
|
4744
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|
1775 || (!reg_cpo_lit |
| 4444 | 1776 && vim_strchr(REGEXP_ABBR, regparse[1]) |
| 1777 != NULL) | |
| 1778 ) | |
| 1779 ) | |
| 1780 { | |
|
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|
1781 MB_PTR_ADV(regparse); |
| 4444 | 1782 |
|
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|
1783 if (*regparse == 'n') |
| 4444 | 1784 startc = reg_string ? NL : NFA_NEWL; |
| 1785 else | |
| 1786 if (*regparse == 'd' | |
| 1787 || *regparse == 'o' | |
| 1788 || *regparse == 'x' | |
| 1789 || *regparse == 'u' | |
| 1790 || *regparse == 'U' | |
| 1791 ) | |
| 1792 { | |
| 1793 /* TODO(RE) This needs more testing */ | |
| 1794 startc = coll_get_char(); | |
| 1795 got_coll_char = TRUE; | |
|
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|
1796 MB_PTR_BACK(old_regparse, regparse); |
| 4444 | 1797 } |
| 1798 else | |
| 1799 { | |
| 1800 /* \r,\t,\e,\b */ | |
| 1801 startc = backslash_trans(*regparse); | |
| 1802 } | |
| 1803 } | |
| 1804 | |
| 1805 /* Normal printable char */ | |
| 1806 if (startc == -1) | |
|
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|
1807 startc = PTR2CHAR(regparse); |
| 4444 | 1808 |
| 1809 /* Previous char was '-', so this char is end of range. */ | |
| 1810 if (emit_range) | |
| 1811 { | |
|
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|
1812 endc = startc; |
|
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|
1813 startc = oldstartc; |
| 4444 | 1814 if (startc > endc) |
|
11480
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patch 8.0.0623: error for invalid regexp is not very informative
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diff
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|
1815 EMSG_RET_FAIL(_(e_reverse_range)); |
|
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|
1816 |
|
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|
1817 if (endc > startc + 2) |
|
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|
1818 { |
|
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|
1819 /* Emit a range instead of the sequence of |
|
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|
1820 * individual characters. */ |
|
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|
1821 if (startc == 0) |
|
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|
1822 /* \x00 is translated to \x0a, start at \x01. */ |
|
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|
1823 EMIT(1); |
|
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|
1824 else |
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|
1825 --post_ptr; /* remove NFA_CONCAT */ |
|
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|
1826 EMIT(endc); |
|
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|
1827 EMIT(NFA_RANGE); |
|
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|
1828 EMIT(NFA_CONCAT); |
|
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|
1829 } |
|
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|
1830 else |
| 4444 | 1831 #ifdef FEAT_MBYTE |
|
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|
1832 if (has_mbyte && ((*mb_char2len)(startc) > 1 |
| 4444 | 1833 || (*mb_char2len)(endc) > 1)) |
| 1834 { | |
|
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|
1835 /* Emit the characters in the range. |
|
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|
1836 * "startc" was already emitted, so skip it. |
|
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|
1837 * */ |
| 4444 | 1838 for (c = startc + 1; c <= endc; c++) |
| 1839 { | |
|
4527
55bcaa1d2749
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diff
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|
1840 EMIT(c); |
|
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|
1841 EMIT(NFA_CONCAT); |
| 4444 | 1842 } |
| 1843 } | |
| 1844 else | |
| 1845 #endif | |
| 1846 { | |
| 1847 #ifdef EBCDIC | |
| 1848 int alpha_only = FALSE; | |
| 1849 | |
| 1850 /* for alphabetical range skip the gaps | |
| 1851 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
| 1852 if (isalpha(startc) && isalpha(endc)) | |
| 1853 alpha_only = TRUE; | |
| 1854 #endif | |
| 1855 /* Emit the range. "startc" was already emitted, so | |
| 1856 * skip it. */ | |
| 1857 for (c = startc + 1; c <= endc; c++) | |
| 1858 #ifdef EBCDIC | |
| 1859 if (!alpha_only || isalpha(startc)) | |
| 1860 #endif | |
| 1861 { | |
| 1862 EMIT(c); | |
|
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|
1863 EMIT(NFA_CONCAT); |
| 4444 | 1864 } |
| 1865 } | |
|
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|
1866 emit_range = FALSE; |
|
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|
1867 startc = -1; |
| 4444 | 1868 } |
| 1869 else | |
| 1870 { | |
|
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|
1871 /* This char (startc) is not part of a range. Just |
| 4444 | 1872 * emit it. |
| 1873 * Normally, simply emit startc. But if we get char | |
| 1874 * code=0 from a collating char, then replace it with | |
| 1875 * 0x0a. | |
| 1876 * This is needed to completely mimic the behaviour of | |
|
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|
1877 * the backtracking engine. */ |
|
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|
1878 if (startc == NFA_NEWL) |
|
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|
1879 { |
|
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|
1880 /* Line break can't be matched as part of the |
|
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|
1881 * collection, add an OR below. But not for negated |
|
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|
1882 * range. */ |
|
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|
1883 if (!negated) |
| 5296 | 1884 extra = NFA_ADD_NL; |
|
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|
1885 } |
| 4444 | 1886 else |
|
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|
1887 { |
|
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|
1888 if (got_coll_char == TRUE && startc == 0) |
|
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|
1889 EMIT(0x0a); |
|
c02c7df9bdc9
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|
1890 else |
|
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|
1891 EMIT(startc); |
|
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|
1892 EMIT(NFA_CONCAT); |
|
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|
1893 } |
| 4444 | 1894 } |
| 1895 | |
|
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|
1896 MB_PTR_ADV(regparse); |
| 4444 | 1897 } /* while (p < endp) */ |
| 1898 | |
|
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|
1899 MB_PTR_BACK(old_regparse, regparse); |
| 4444 | 1900 if (*regparse == '-') /* if last, '-' is just a char */ |
| 1901 { | |
| 1902 EMIT('-'); | |
|
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|
1903 EMIT(NFA_CONCAT); |
| 4444 | 1904 } |
| 1905 | |
| 1906 /* skip the trailing ] */ | |
| 1907 regparse = endp; | |
|
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|
1908 MB_PTR_ADV(regparse); |
|
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|
1909 |
|
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|
1910 /* Mark end of the collection. */ |
| 4444 | 1911 if (negated == TRUE) |
|
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|
1912 EMIT(NFA_END_NEG_COLL); |
|
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|
1913 else |
|
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1914 EMIT(NFA_END_COLL); |
|
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1915 |
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1916 /* \_[] also matches \n but it's not negated */ |
| 5296 | 1917 if (extra == NFA_ADD_NL) |
|
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1918 { |
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1919 EMIT(reg_string ? NL : NFA_NEWL); |
|
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1920 EMIT(NFA_OR); |
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1921 } |
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1922 |
| 4444 | 1923 return OK; |
|
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1924 } /* if exists closing ] */ |
|
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1925 |
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1926 if (reg_strict) |
| 4444 | 1927 EMSG_RET_FAIL(_(e_missingbracket)); |
|
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1928 /* FALLTHROUGH */ |
|
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1929 |
| 4444 | 1930 default: |
| 1931 { | |
| 1932 #ifdef FEAT_MBYTE | |
| 1933 int plen; | |
| 1934 | |
| 1935 nfa_do_multibyte: | |
|
4543
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|
1936 /* plen is length of current char with composing chars */ |
|
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|
1937 if (enc_utf8 && ((*mb_char2len)(c) |
|
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1938 != (plen = utfc_ptr2len(old_regparse)) |
|
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|
1939 || utf_iscomposing(c))) |
| 4444 | 1940 { |
|
4549
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1941 int i = 0; |
|
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|
1942 |
|
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|
1943 /* A base character plus composing characters, or just one |
|
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|
1944 * or more composing characters. |
|
4527
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|
1945 * This requires creating a separate atom as if enclosing |
|
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|
1946 * the characters in (), where NFA_COMPOSING is the ( and |
|
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|
1947 * NFA_END_COMPOSING is the ). Note that right now we are |
| 4444 | 1948 * building the postfix form, not the NFA itself; |
| 1949 * a composing char could be: a, b, c, NFA_COMPOSING | |
|
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|
1950 * where 'b' and 'c' are chars with codes > 256. */ |
|
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|
1951 for (;;) |
|
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|
1952 { |
|
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|
1953 EMIT(c); |
|
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|
1954 if (i > 0) |
|
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|
1955 EMIT(NFA_CONCAT); |
|
4529
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|
1956 if ((i += utf_char2len(c)) >= plen) |
|
4527
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|
1957 break; |
|
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|
1958 c = utf_ptr2char(old_regparse + i); |
|
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|
1959 } |
|
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|
1960 EMIT(NFA_COMPOSING); |
| 4444 | 1961 regparse = old_regparse + plen; |
| 1962 } | |
| 1963 else | |
| 1964 #endif | |
| 1965 { | |
| 1966 c = no_Magic(c); | |
| 1967 EMIT(c); | |
| 1968 } | |
| 1969 return OK; | |
| 1970 } | |
| 1971 } | |
| 1972 | |
| 1973 return OK; | |
| 1974 } | |
| 1975 | |
| 1976 /* | |
| 1977 * Parse something followed by possible [*+=]. | |
| 1978 * | |
| 1979 * A piece is an atom, possibly followed by a multi, an indication of how many | |
| 1980 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
| 1981 * characters: "", "a", "aa", etc. | |
| 1982 * | |
| 1983 * piece ::= atom | |
| 1984 * or atom multi | |
| 1985 */ | |
| 1986 static int | |
|
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diff
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|
1987 nfa_regpiece(void) |
| 4444 | 1988 { |
| 1989 int i; | |
| 1990 int op; | |
| 1991 int ret; | |
| 1992 long minval, maxval; | |
| 1993 int greedy = TRUE; /* Braces are prefixed with '-' ? */ | |
|
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|
1994 parse_state_T old_state; |
|
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|
1995 parse_state_T new_state; |
|
12752
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Christian Brabandt <cb@256bit.org>
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|
1996 long c2; |
|
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|
1997 int old_post_pos; |
|
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|
1998 int my_post_start; |
| 4444 | 1999 int quest; |
| 2000 | |
|
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|
2001 /* Save the current parse state, so that we can use it if <atom>{m,n} is |
|
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|
2002 * next. */ |
|
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|
2003 save_parse_state(&old_state); |
|
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2004 |
| 4444 | 2005 /* store current pos in the postfix form, for \{m,n} involving 0s */ |
|
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|
2006 my_post_start = (int)(post_ptr - post_start); |
| 4444 | 2007 |
| 2008 ret = nfa_regatom(); | |
| 2009 if (ret == FAIL) | |
| 2010 return FAIL; /* cascaded error */ | |
| 2011 | |
| 2012 op = peekchr(); | |
| 2013 if (re_multi_type(op) == NOT_MULTI) | |
| 2014 return OK; | |
| 2015 | |
| 2016 skipchr(); | |
| 2017 switch (op) | |
| 2018 { | |
| 2019 case Magic('*'): | |
| 2020 EMIT(NFA_STAR); | |
| 2021 break; | |
| 2022 | |
| 2023 case Magic('+'): | |
| 2024 /* | |
| 2025 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
| 2026 * first and only submatch would be "aaa". But the backtracking | |
| 2027 * engine interprets the plus as "try matching one more time", and | |
| 2028 * a* matches a second time at the end of the input, the empty | |
| 2029 * string. | |
|
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2030 * The submatch will be the empty string. |
| 4444 | 2031 * |
|
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2032 * In order to be consistent with the old engine, we replace |
|
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|
2033 * <atom>+ with <atom><atom>* |
| 4444 | 2034 */ |
|
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|
2035 restore_parse_state(&old_state); |
| 4444 | 2036 curchr = -1; |
| 2037 if (nfa_regatom() == FAIL) | |
| 2038 return FAIL; | |
| 2039 EMIT(NFA_STAR); | |
| 2040 EMIT(NFA_CONCAT); | |
| 2041 skipchr(); /* skip the \+ */ | |
| 2042 break; | |
| 2043 | |
| 2044 case Magic('@'): | |
|
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|
2045 c2 = getdecchrs(); |
| 4444 | 2046 op = no_Magic(getchr()); |
|
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|
2047 i = 0; |
| 4444 | 2048 switch(op) |
| 2049 { | |
| 2050 case '=': | |
|
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2051 /* \@= */ |
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|
2052 i = NFA_PREV_ATOM_NO_WIDTH; |
| 4444 | 2053 break; |
|
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|
2054 case '!': |
|
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2055 /* \@! */ |
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|
2056 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
|
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|
2057 break; |
| 4444 | 2058 case '<': |
|
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2059 op = no_Magic(getchr()); |
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2060 if (op == '=') |
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2061 /* \@<= */ |
|
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|
2062 i = NFA_PREV_ATOM_JUST_BEFORE; |
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|
2063 else if (op == '!') |
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|
2064 /* \@<! */ |
|
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|
2065 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
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|
2066 break; |
| 4444 | 2067 case '>': |
|
4750
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2068 /* \@> */ |
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2069 i = NFA_PREV_ATOM_LIKE_PATTERN; |
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|
2070 break; |
| 4444 | 2071 } |
|
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2072 if (i == 0) |
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2073 { |
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2074 EMSGN(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
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2075 return FAIL; |
|
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2076 } |
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2077 EMIT(i); |
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2078 if (i == NFA_PREV_ATOM_JUST_BEFORE |
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2079 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
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|
2080 EMIT(c2); |
| 4444 | 2081 break; |
| 2082 | |
| 2083 case Magic('?'): | |
| 2084 case Magic('='): | |
| 2085 EMIT(NFA_QUEST); | |
| 2086 break; | |
| 2087 | |
| 2088 case Magic('{'): | |
| 2089 /* a{2,5} will expand to 'aaa?a?a?' | |
| 2090 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy | |
| 2091 * version of '?' | |
| 2092 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the | |
| 2093 * parenthesis have the same id | |
| 2094 */ | |
| 2095 | |
| 2096 greedy = TRUE; | |
| 2097 c2 = peekchr(); | |
| 2098 if (c2 == '-' || c2 == Magic('-')) | |
| 2099 { | |
| 2100 skipchr(); | |
| 2101 greedy = FALSE; | |
| 2102 } | |
| 2103 if (!read_limits(&minval, &maxval)) | |
| 2104 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
|
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|
2105 |
| 4444 | 2106 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to |
| 2107 * <atom>* */ | |
|
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|
2108 if (minval == 0 && maxval == MAX_LIMIT) |
| 4444 | 2109 { |
| 6533 | 2110 if (greedy) /* { { (match the braces) */ |
|
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|
2111 /* \{}, \{0,} */ |
|
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2112 EMIT(NFA_STAR); |
| 6533 | 2113 else /* { { (match the braces) */ |
|
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2114 /* \{-}, \{-0,} */ |
|
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|
2115 EMIT(NFA_STAR_NONGREEDY); |
| 4444 | 2116 break; |
| 2117 } | |
| 2118 | |
| 2119 /* Special case: x{0} or x{-0} */ | |
| 2120 if (maxval == 0) | |
| 2121 { | |
| 2122 /* Ignore result of previous call to nfa_regatom() */ | |
|
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|
2123 post_ptr = post_start + my_post_start; |
| 5370 | 2124 /* NFA_EMPTY is 0-length and works everywhere */ |
| 2125 EMIT(NFA_EMPTY); | |
| 4444 | 2126 return OK; |
| 2127 } | |
| 2128 | |
| 6533 | 2129 /* The engine is very inefficient (uses too many states) when the |
| 6594 | 2130 * maximum is much larger than the minimum and when the maximum is |
| 2131 * large. Bail out if we can use the other engine. */ | |
| 2132 if ((nfa_re_flags & RE_AUTO) | |
|
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2133 && (maxval > 500 || maxval > minval + 200)) |
| 6533 | 2134 return FAIL; |
| 2135 | |
| 4444 | 2136 /* Ignore previous call to nfa_regatom() */ |
|
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2137 post_ptr = post_start + my_post_start; |
|
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4677
diff
changeset
|
2138 /* Save parse state after the repeated atom and the \{} */ |
|
4d92b873acef
updated for version 7.3.1087
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parents:
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diff
changeset
|
2139 save_parse_state(&new_state); |
| 4444 | 2140 |
| 2141 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
| 2142 for (i = 0; i < maxval; i++) | |
| 2143 { | |
| 2144 /* Goto beginning of the repeated atom */ | |
|
4679
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4677
diff
changeset
|
2145 restore_parse_state(&old_state); |
|
4651
f10f63aaec5c
updated for version 7.3.1073
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parents:
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diff
changeset
|
2146 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 2147 if (nfa_regatom() == FAIL) |
| 2148 return FAIL; | |
| 2149 /* after "minval" times, atoms are optional */ | |
| 2150 if (i + 1 > minval) | |
|
4673
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
2151 { |
|
05d57d7c2d55
updated for version 7.3.1084
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parents:
4671
diff
changeset
|
2152 if (maxval == MAX_LIMIT) |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2153 { |
|
811a4c9b51d8
updated for version 7.3.1085
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parents:
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diff
changeset
|
2154 if (greedy) |
|
811a4c9b51d8
updated for version 7.3.1085
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parents:
4673
diff
changeset
|
2155 EMIT(NFA_STAR); |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2156 else |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
changeset
|
2157 EMIT(NFA_STAR_NONGREEDY); |
|
811a4c9b51d8
updated for version 7.3.1085
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parents:
4673
diff
changeset
|
2158 } |
|
4673
05d57d7c2d55
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diff
changeset
|
2159 else |
|
05d57d7c2d55
updated for version 7.3.1084
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parents:
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diff
changeset
|
2160 EMIT(quest); |
|
05d57d7c2d55
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diff
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|
2161 } |
|
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diff
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|
2162 if (old_post_pos != my_post_start) |
| 4444 | 2163 EMIT(NFA_CONCAT); |
|
4673
05d57d7c2d55
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parents:
4671
diff
changeset
|
2164 if (i + 1 > minval && maxval == MAX_LIMIT) |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2165 break; |
| 4444 | 2166 } |
| 2167 | |
| 2168 /* Go to just after the repeated atom and the \{} */ | |
|
4679
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diff
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|
2169 restore_parse_state(&new_state); |
| 4444 | 2170 curchr = -1; |
| 2171 | |
| 2172 break; | |
| 2173 | |
| 2174 | |
| 2175 default: | |
| 2176 break; | |
| 2177 } /* end switch */ | |
| 2178 | |
| 2179 if (re_multi_type(peekchr()) != NOT_MULTI) | |
| 2180 /* Can't have a multi follow a multi. */ | |
|
14163
99a96be12254
patch 8.1.0099: exclamation mark in error message not needed
Christian Brabandt <cb@256bit.org>
parents:
14161
diff
changeset
|
2181 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi")); |
| 4444 | 2182 |
| 2183 return OK; | |
| 2184 } | |
| 2185 | |
| 2186 /* | |
| 2187 * Parse one or more pieces, concatenated. It matches a match for the | |
| 2188 * first piece, followed by a match for the second piece, etc. Example: | |
| 2189 * "f[0-9]b", first matches "f", then a digit and then "b". | |
| 2190 * | |
| 2191 * concat ::= piece | |
| 2192 * or piece piece | |
| 2193 * or piece piece piece | |
| 2194 * etc. | |
| 2195 */ | |
| 2196 static int | |
|
7833
c079097365f3
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2197 nfa_regconcat(void) |
| 4444 | 2198 { |
| 2199 int cont = TRUE; | |
| 2200 int first = TRUE; | |
| 2201 | |
| 2202 while (cont) | |
| 2203 { | |
| 2204 switch (peekchr()) | |
| 2205 { | |
| 2206 case NUL: | |
| 2207 case Magic('|'): | |
| 2208 case Magic('&'): | |
| 2209 case Magic(')'): | |
| 2210 cont = FALSE; | |
| 2211 break; | |
| 2212 | |
| 2213 case Magic('Z'): | |
| 2214 #ifdef FEAT_MBYTE | |
| 2215 regflags |= RF_ICOMBINE; | |
| 2216 #endif | |
| 2217 skipchr_keepstart(); | |
| 2218 break; | |
| 2219 case Magic('c'): | |
| 2220 regflags |= RF_ICASE; | |
| 2221 skipchr_keepstart(); | |
| 2222 break; | |
| 2223 case Magic('C'): | |
| 2224 regflags |= RF_NOICASE; | |
| 2225 skipchr_keepstart(); | |
| 2226 break; | |
| 2227 case Magic('v'): | |
| 2228 reg_magic = MAGIC_ALL; | |
| 2229 skipchr_keepstart(); | |
| 2230 curchr = -1; | |
| 2231 break; | |
| 2232 case Magic('m'): | |
| 2233 reg_magic = MAGIC_ON; | |
| 2234 skipchr_keepstart(); | |
| 2235 curchr = -1; | |
| 2236 break; | |
| 2237 case Magic('M'): | |
| 2238 reg_magic = MAGIC_OFF; | |
| 2239 skipchr_keepstart(); | |
| 2240 curchr = -1; | |
| 2241 break; | |
| 2242 case Magic('V'): | |
| 2243 reg_magic = MAGIC_NONE; | |
| 2244 skipchr_keepstart(); | |
| 2245 curchr = -1; | |
| 2246 break; | |
| 2247 | |
| 2248 default: | |
| 2249 if (nfa_regpiece() == FAIL) | |
| 2250 return FAIL; | |
| 2251 if (first == FALSE) | |
| 2252 EMIT(NFA_CONCAT); | |
| 2253 else | |
| 2254 first = FALSE; | |
| 2255 break; | |
| 2256 } | |
| 2257 } | |
| 2258 | |
| 2259 return OK; | |
| 2260 } | |
| 2261 | |
| 2262 /* | |
| 2263 * Parse a branch, one or more concats, separated by "\&". It matches the | |
| 2264 * last concat, but only if all the preceding concats also match at the same | |
| 2265 * position. Examples: | |
| 2266 * "foobeep\&..." matches "foo" in "foobeep". | |
| 2267 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
| 2268 * | |
| 2269 * branch ::= concat | |
| 2270 * or concat \& concat | |
| 2271 * or concat \& concat \& concat | |
| 2272 * etc. | |
| 2273 */ | |
| 2274 static int | |
|
7833
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2275 nfa_regbranch(void) |
| 4444 | 2276 { |
|
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diff
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|
2277 int old_post_pos; |
|
f10f63aaec5c
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|
2278 |
|
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diff
changeset
|
2279 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 2280 |
| 2281 /* First branch, possibly the only one */ | |
| 2282 if (nfa_regconcat() == FAIL) | |
| 2283 return FAIL; | |
| 2284 | |
| 2285 /* Try next concats */ | |
|
13043
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patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
2286 while (peekchr() == Magic('&')) |
| 4444 | 2287 { |
| 2288 skipchr(); | |
|
13043
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patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
2289 /* 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
|
2290 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>
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12752
diff
changeset
|
2291 EMIT(NFA_EMPTY); |
| 4444 | 2292 EMIT(NFA_NOPEN); |
| 2293 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
|
4651
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diff
changeset
|
2294 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 2295 if (nfa_regconcat() == FAIL) |
| 2296 return FAIL; | |
| 5370 | 2297 /* if concat is empty do emit a node */ |
|
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Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2298 if (old_post_pos == (int)(post_ptr - post_start)) |
| 5370 | 2299 EMIT(NFA_EMPTY); |
| 4444 | 2300 EMIT(NFA_CONCAT); |
| 2301 } | |
| 2302 | |
| 5370 | 2303 /* if a branch is empty, emit one node for it */ |
|
4651
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Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2304 if (old_post_pos == (int)(post_ptr - post_start)) |
| 5370 | 2305 EMIT(NFA_EMPTY); |
| 4444 | 2306 |
| 2307 return OK; | |
| 2308 } | |
| 2309 | |
| 2310 /* | |
| 2311 * Parse a pattern, one or more branches, separated by "\|". It matches | |
| 2312 * anything that matches one of the branches. Example: "foo\|beep" matches | |
| 2313 * "foo" and matches "beep". If more than one branch matches, the first one | |
| 2314 * is used. | |
| 2315 * | |
| 2316 * pattern ::= branch | |
| 2317 * or branch \| branch | |
| 2318 * or branch \| branch \| branch | |
| 2319 * etc. | |
| 2320 */ | |
| 2321 static int | |
|
7833
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Christian Brabandt <cb@256bit.org>
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7805
diff
changeset
|
2322 nfa_reg( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2323 int paren) /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ |
| 4444 | 2324 { |
| 2325 int parno = 0; | |
| 2326 | |
| 2327 if (paren == REG_PAREN) | |
| 2328 { | |
| 2329 if (regnpar >= NSUBEXP) /* Too many `(' */ | |
| 2330 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); | |
| 2331 parno = regnpar++; | |
| 2332 } | |
|
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diff
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|
2333 #ifdef FEAT_SYN_HL |
|
8db697ae406a
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4682
diff
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|
2334 else if (paren == REG_ZPAREN) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
2335 { |
|
8db697ae406a
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diff
changeset
|
2336 /* Make a ZOPEN node. */ |
|
8db697ae406a
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Bram Moolenaar <bram@vim.org>
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4682
diff
changeset
|
2337 if (regnzpar >= NSUBEXP) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
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4682
diff
changeset
|
2338 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
|
8db697ae406a
updated for version 7.3.1090
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parents:
4682
diff
changeset
|
2339 parno = regnzpar++; |
|
8db697ae406a
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diff
changeset
|
2340 } |
|
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diff
changeset
|
2341 #endif |
| 4444 | 2342 |
| 2343 if (nfa_regbranch() == FAIL) | |
| 2344 return FAIL; /* cascaded error */ | |
| 2345 | |
| 2346 while (peekchr() == Magic('|')) | |
| 2347 { | |
| 2348 skipchr(); | |
| 2349 if (nfa_regbranch() == FAIL) | |
| 2350 return FAIL; /* cascaded error */ | |
| 2351 EMIT(NFA_OR); | |
| 2352 } | |
| 2353 | |
| 2354 /* Check for proper termination. */ | |
| 2355 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
| 2356 { | |
| 2357 if (paren == REG_NPAREN) | |
| 2358 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
| 2359 else | |
| 2360 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
| 2361 } | |
| 2362 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
| 2363 { | |
| 2364 if (peekchr() == Magic(')')) | |
| 2365 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
| 2366 else | |
| 2367 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
| 2368 } | |
| 2369 /* | |
| 2370 * Here we set the flag allowing back references to this set of | |
| 2371 * parentheses. | |
| 2372 */ | |
| 2373 if (paren == REG_PAREN) | |
| 2374 { | |
| 2375 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
| 2376 EMIT(NFA_MOPEN + parno); | |
| 2377 } | |
|
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|
2378 #ifdef FEAT_SYN_HL |
|
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|
2379 else if (paren == REG_ZPAREN) |
|
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diff
changeset
|
2380 EMIT(NFA_ZOPEN + parno); |
|
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|
2381 #endif |
| 4444 | 2382 |
| 2383 return OK; | |
| 2384 } | |
| 2385 | |
| 2386 #ifdef DEBUG | |
| 2387 static char_u code[50]; | |
| 2388 | |
| 2389 static void | |
|
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7805
diff
changeset
|
2390 nfa_set_code(int c) |
| 4444 | 2391 { |
| 2392 int addnl = FALSE; | |
| 2393 | |
| 2394 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
| 2395 { | |
| 2396 addnl = TRUE; | |
| 5296 | 2397 c -= NFA_ADD_NL; |
| 4444 | 2398 } |
| 2399 | |
| 2400 STRCPY(code, ""); | |
| 2401 switch (c) | |
| 2402 { | |
| 2403 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
| 2404 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
| 2405 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
| 2406 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
| 2407 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
| 2408 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
| 2409 | |
|
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|
2410 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
|
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|
2411 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
|
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|
2412 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
|
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|
2413 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
|
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diff
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|
2414 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
|
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|
2415 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
|
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|
2416 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
|
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|
2417 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
|
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|
2418 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break; |
|
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|
2419 #ifdef FEAT_SYN_HL |
|
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|
2420 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
|
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|
2421 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
|
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|
2422 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
|
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|
2423 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
|
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|
2424 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
|
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|
2425 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
|
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|
2426 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2427 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2428 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2429 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2430 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2431 |
| 4444 | 2432 case NFA_PREV_ATOM_NO_WIDTH: |
| 2433 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
|
2434 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2435 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
|
2436 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2437 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2438 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2439 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
|
2440 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2441 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2442 |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2443 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2444 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
| 4444 | 2445 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
|
2446 case NFA_START_INVISIBLE_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2447 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break; |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2448 case NFA_START_INVISIBLE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2449 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break; |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2450 case NFA_START_INVISIBLE_NEG_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2451 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
|
2452 case NFA_START_INVISIBLE_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2453 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2454 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2455 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_FIRST"); break; |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2456 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2457 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
|
2458 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2459 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
|
2460 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break; |
| 4444 | 2461 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
|
2462 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
|
2463 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break; |
| 4444 | 2464 |
| 2465 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
| 2466 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
|
2467 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break; |
| 4444 | 2468 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2469 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2470 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2471 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2472 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2473 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2474 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2475 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2476 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2477 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2478 case NFA_MOPEN9: |
| 4444 | 2479 STRCPY(code, "NFA_MOPEN(x)"); |
| 2480 code[10] = c - NFA_MOPEN + '0'; | |
| 2481 break; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2482 case NFA_MCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2483 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2484 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2485 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2486 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2487 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2488 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2489 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2490 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2491 case NFA_MCLOSE9: |
| 4444 | 2492 STRCPY(code, "NFA_MCLOSE(x)"); |
| 2493 code[11] = c - NFA_MCLOSE + '0'; | |
| 2494 break; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2495 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2496 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2497 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2498 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2499 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2500 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2501 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2502 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2503 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2504 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2505 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2506 STRCPY(code, "NFA_ZOPEN(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2507 code[10] = c - NFA_ZOPEN + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2508 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2509 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2510 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2511 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2512 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2513 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2514 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2515 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2516 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2517 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2518 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2519 STRCPY(code, "NFA_ZCLOSE(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2520 code[11] = c - NFA_ZCLOSE + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2521 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2522 #endif |
| 4444 | 2523 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
| 2524 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
| 2525 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
| 2526 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
|
2527 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
2528 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
|
2529 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2530 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
|
2531 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
|
2532 case NFA_COL: STRCPY(code, "NFA_COL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2533 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
|
2534 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
|
2535 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2536 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
|
2537 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
|
2538 case NFA_MARK: STRCPY(code, "NFA_MARK "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2539 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
|
2540 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
|
2541 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2542 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break; |
| 5901 | 2543 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
|
2544 |
| 4444 | 2545 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
|
2546 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
|
2547 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2548 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
| 5370 | 2549 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break; |
| 4444 | 2550 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
|
2551 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2552 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
|
2553 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
|
2554 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
|
2555 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
|
2556 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2557 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
|
2558 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
|
2559 |
| 4444 | 2560 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; |
| 2561 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
| 2562 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
| 2563 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
| 2564 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
| 2565 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
| 2566 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
| 2567 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
| 2568 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
| 2569 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
| 2570 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
| 2571 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
| 2572 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
| 2573 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
| 2574 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
| 2575 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break; | |
| 2576 | |
| 2577 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
| 2578 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
| 2579 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
| 2580 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
| 2581 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
| 2582 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
| 2583 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
| 2584 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
| 2585 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
| 2586 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
| 2587 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
| 2588 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
| 2589 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
| 2590 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
| 2591 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
| 2592 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
| 2593 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
| 2594 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
| 2595 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
| 2596 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
| 2597 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
| 2598 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
| 2599 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
| 2600 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
| 2601 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
| 2602 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
| 2603 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
| 5296 | 2604 case NFA_LOWER_IC: STRCPY(code, "NFA_LOWER_IC"); break; |
| 2605 case NFA_NLOWER_IC: STRCPY(code, "NFA_NLOWER_IC"); break; | |
| 2606 case NFA_UPPER_IC: STRCPY(code, "NFA_UPPER_IC"); break; | |
| 2607 case NFA_NUPPER_IC: STRCPY(code, "NFA_NUPPER_IC"); break; | |
| 4444 | 2608 |
| 2609 default: | |
| 2610 STRCPY(code, "CHAR(x)"); | |
| 2611 code[5] = c; | |
| 2612 } | |
| 2613 | |
| 2614 if (addnl == TRUE) | |
| 2615 STRCAT(code, " + NEWLINE "); | |
| 2616 | |
| 2617 } | |
| 2618 | |
| 2619 #ifdef ENABLE_LOG | |
| 2620 static FILE *log_fd; | |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
2621 static char_u e_log_open_failed[] = N_("Could not open temporary log file for writing, displaying on stderr... "); |
| 4444 | 2622 |
| 2623 /* | |
| 2624 * Print the postfix notation of the current regexp. | |
| 2625 */ | |
| 2626 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2627 nfa_postfix_dump(char_u *expr, int retval) |
| 4444 | 2628 { |
| 2629 int *p; | |
| 2630 FILE *f; | |
| 2631 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2632 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2633 if (f != NULL) |
| 2634 { | |
| 2635 fprintf(f, "\n-------------------------\n"); | |
| 2636 if (retval == FAIL) | |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
2637 fprintf(f, ">>> NFA engine failed... \n"); |
| 4444 | 2638 else if (retval == OK) |
| 2639 fprintf(f, ">>> NFA engine succeeded !\n"); | |
| 2640 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
|
2641 for (p = post_start; *p && p < post_ptr; p++) |
| 4444 | 2642 { |
| 2643 nfa_set_code(*p); | |
| 2644 fprintf(f, "%s, ", code); | |
| 2645 } | |
| 2646 fprintf(f, "\"\nPostfix notation (int): "); | |
|
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
2647 for (p = post_start; *p && p < post_ptr; p++) |
| 4444 | 2648 fprintf(f, "%d ", *p); |
| 2649 fprintf(f, "\n\n"); | |
| 2650 fclose(f); | |
| 2651 } | |
| 2652 } | |
| 2653 | |
| 2654 /* | |
| 2655 * Print the NFA starting with a root node "state". | |
| 2656 */ | |
| 2657 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2658 nfa_print_state(FILE *debugf, nfa_state_T *state) |
| 4444 | 2659 { |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2660 garray_T indent; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2661 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2662 ga_init2(&indent, 1, 64); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2663 ga_append(&indent, '\0'); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2664 nfa_print_state2(debugf, state, &indent); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2665 ga_clear(&indent); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2666 } |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2667 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2668 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2669 nfa_print_state2(FILE *debugf, nfa_state_T *state, garray_T *indent) |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2670 { |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2671 char_u *p; |
| 4444 | 2672 |
| 2673 if (state == NULL) | |
| 2674 return; | |
| 2675 | |
| 2676 fprintf(debugf, "(%2d)", abs(state->id)); | |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2677 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2678 /* Output indent */ |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2679 p = (char_u *)indent->ga_data; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2680 if (indent->ga_len >= 3) |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2681 { |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2682 int last = indent->ga_len - 3; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2683 char_u save[2]; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2684 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2685 STRNCPY(save, &p[last], 2); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2686 STRNCPY(&p[last], "+-", 2); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2687 fprintf(debugf, " %s", p); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2688 STRNCPY(&p[last], save, 2); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2689 } |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2690 else |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2691 fprintf(debugf, " %s", p); |
| 4444 | 2692 |
| 2693 nfa_set_code(state->c); | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2694 fprintf(debugf, "%s (%d) (id=%d) val=%d\n", |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2695 code, |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2696 state->c, |
|
c02c7df9bdc9
updated for version 7.3.1137
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parents:
4772
diff
changeset
|
2697 abs(state->id), |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2698 state->val); |
| 4444 | 2699 if (state->id < 0) |
| 2700 return; | |
| 2701 | |
| 2702 state->id = abs(state->id) * -1; | |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2703 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2704 /* grow indent for state->out */ |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2705 indent->ga_len -= 1; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2706 if (state->out1) |
|
4537
5cc98a5898cf
updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents:
4535
diff
changeset
|
2707 ga_concat(indent, (char_u *)"| "); |
|
4533
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
changeset
|
2708 else |
|
4537
5cc98a5898cf
updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents:
4535
diff
changeset
|
2709 ga_concat(indent, (char_u *)" "); |
|
4533
6a2005efa02b
updated for version 7.3.1014
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parents:
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diff
changeset
|
2710 ga_append(indent, '\0'); |
|
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
changeset
|
2711 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2712 nfa_print_state2(debugf, state->out, indent); |
|
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
changeset
|
2713 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2714 /* replace last part of indent for state->out1 */ |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2715 indent->ga_len -= 3; |
|
4537
5cc98a5898cf
updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents:
4535
diff
changeset
|
2716 ga_concat(indent, (char_u *)" "); |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2717 ga_append(indent, '\0'); |
|
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
changeset
|
2718 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2719 nfa_print_state2(debugf, state->out1, indent); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2720 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2721 /* shrink indent */ |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2722 indent->ga_len -= 3; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2723 ga_append(indent, '\0'); |
| 4444 | 2724 } |
| 2725 | |
| 2726 /* | |
| 2727 * Print the NFA state machine. | |
| 2728 */ | |
| 2729 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2730 nfa_dump(nfa_regprog_T *prog) |
| 4444 | 2731 { |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2732 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2733 |
| 2734 if (debugf != NULL) | |
| 2735 { | |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2736 nfa_print_state(debugf, prog->start); |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2737 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2738 if (prog->reganch) |
|
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
changeset
|
2739 fprintf(debugf, "reganch: %d\n", prog->reganch); |
|
66803af09906
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parents:
4801
diff
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|
2740 if (prog->regstart != NUL) |
|
66803af09906
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parents:
4801
diff
changeset
|
2741 fprintf(debugf, "regstart: %c (decimal: %d)\n", |
|
66803af09906
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parents:
4801
diff
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|
2742 prog->regstart, prog->regstart); |
|
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
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|
2743 if (prog->match_text != NULL) |
|
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
changeset
|
2744 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text); |
|
4772
03375ccf28a2
updated for version 7.3.1133
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parents:
4770
diff
changeset
|
2745 |
| 4444 | 2746 fclose(debugf); |
| 2747 } | |
| 2748 } | |
| 2749 #endif /* ENABLE_LOG */ | |
| 2750 #endif /* DEBUG */ | |
| 2751 | |
| 2752 /* | |
| 2753 * Parse r.e. @expr and convert it into postfix form. | |
| 2754 * Return the postfix string on success, NULL otherwise. | |
| 2755 */ | |
| 2756 static int * | |
|
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7805
diff
changeset
|
2757 re2post(void) |
| 4444 | 2758 { |
| 2759 if (nfa_reg(REG_NOPAREN) == FAIL) | |
| 2760 return NULL; | |
| 2761 EMIT(NFA_MOPEN); | |
| 2762 return post_start; | |
| 2763 } | |
| 2764 | |
| 2765 /* NB. Some of the code below is inspired by Russ's. */ | |
| 2766 | |
| 2767 /* | |
| 2768 * Represents an NFA state plus zero or one or two arrows exiting. | |
| 2769 * if c == MATCH, no arrows out; matching state. | |
| 2770 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
| 2771 * If c < 256, labeled arrow with character c to out. | |
| 2772 */ | |
| 2773 | |
| 2774 static nfa_state_T *state_ptr; /* points to nfa_prog->state */ | |
| 2775 | |
| 2776 /* | |
| 2777 * Allocate and initialize nfa_state_T. | |
| 2778 */ | |
| 2779 static nfa_state_T * | |
|
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7805
diff
changeset
|
2780 alloc_state(int c, nfa_state_T *out, nfa_state_T *out1) |
| 4444 | 2781 { |
| 2782 nfa_state_T *s; | |
| 2783 | |
| 2784 if (istate >= nstate) | |
| 2785 return NULL; | |
| 2786 | |
| 2787 s = &state_ptr[istate++]; | |
| 2788 | |
| 2789 s->c = c; | |
| 2790 s->out = out; | |
| 2791 s->out1 = out1; | |
|
4781
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4772
diff
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|
2792 s->val = 0; |
| 4444 | 2793 |
| 2794 s->id = istate; | |
|
4718
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|
2795 s->lastlist[0] = 0; |
|
ec72bb4a0fc2
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4716
diff
changeset
|
2796 s->lastlist[1] = 0; |
| 4444 | 2797 |
| 2798 return s; | |
| 2799 } | |
| 2800 | |
| 2801 /* | |
| 2802 * A partially built NFA without the matching state filled in. | |
| 2803 * Frag_T.start points at the start state. | |
| 2804 * Frag_T.out is a list of places that need to be set to the | |
| 2805 * next state for this fragment. | |
| 2806 */ | |
|
4555
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|
2807 |
|
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|
2808 /* Since the out pointers in the list are always |
|
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parents:
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|
2809 * uninitialized, we use the pointers themselves |
|
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|
2810 * as storage for the Ptrlists. */ |
| 4444 | 2811 typedef union Ptrlist Ptrlist; |
|
4555
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|
2812 union Ptrlist |
|
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diff
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|
2813 { |
|
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diff
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|
2814 Ptrlist *next; |
|
b2946c06d1b6
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|
2815 nfa_state_T *s; |
|
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diff
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|
2816 }; |
|
b2946c06d1b6
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|
2817 |
| 4444 | 2818 struct Frag |
| 2819 { | |
|
4555
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diff
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|
2820 nfa_state_T *start; |
| 4444 | 2821 Ptrlist *out; |
| 2822 }; | |
| 2823 typedef struct Frag Frag_T; | |
| 2824 | |
| 2825 /* | |
| 4456 | 2826 * Initialize a Frag_T struct and return it. |
| 4444 | 2827 */ |
| 2828 static Frag_T | |
|
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7805
diff
changeset
|
2829 frag(nfa_state_T *start, Ptrlist *out) |
| 4444 | 2830 { |
| 4456 | 2831 Frag_T n; |
| 2832 | |
| 2833 n.start = start; | |
| 2834 n.out = out; | |
| 4444 | 2835 return n; |
| 2836 } | |
| 2837 | |
| 2838 /* | |
| 2839 * Create singleton list containing just outp. | |
| 2840 */ | |
| 2841 static Ptrlist * | |
|
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diff
changeset
|
2842 list1( |
|
c079097365f3
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parents:
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diff
changeset
|
2843 nfa_state_T **outp) |
| 4444 | 2844 { |
| 2845 Ptrlist *l; | |
| 2846 | |
| 2847 l = (Ptrlist *)outp; | |
| 2848 l->next = NULL; | |
| 2849 return l; | |
| 2850 } | |
| 2851 | |
| 2852 /* | |
| 2853 * Patch the list of states at out to point to start. | |
| 2854 */ | |
| 2855 static void | |
|
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parents:
7805
diff
changeset
|
2856 patch(Ptrlist *l, nfa_state_T *s) |
| 4444 | 2857 { |
| 2858 Ptrlist *next; | |
| 2859 | |
| 2860 for (; l; l = next) | |
| 2861 { | |
| 2862 next = l->next; | |
| 2863 l->s = s; | |
| 2864 } | |
| 2865 } | |
| 2866 | |
| 2867 | |
| 2868 /* | |
| 2869 * Join the two lists l1 and l2, returning the combination. | |
| 2870 */ | |
| 2871 static Ptrlist * | |
|
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diff
changeset
|
2872 append(Ptrlist *l1, Ptrlist *l2) |
| 4444 | 2873 { |
| 2874 Ptrlist *oldl1; | |
| 2875 | |
| 2876 oldl1 = l1; | |
| 2877 while (l1->next) | |
| 2878 l1 = l1->next; | |
| 2879 l1->next = l2; | |
| 2880 return oldl1; | |
| 2881 } | |
| 2882 | |
| 2883 /* | |
| 2884 * Stack used for transforming postfix form into NFA. | |
| 2885 */ | |
| 2886 static Frag_T empty; | |
| 2887 | |
| 2888 static void | |
|
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7805
diff
changeset
|
2889 st_error(int *postfix UNUSED, int *end UNUSED, int *p UNUSED) |
| 4444 | 2890 { |
|
4531
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4529
diff
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|
2891 #ifdef NFA_REGEXP_ERROR_LOG |
| 4444 | 2892 FILE *df; |
| 2893 int *p2; | |
| 2894 | |
|
4531
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diff
changeset
|
2895 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
| 4444 | 2896 if (df) |
| 2897 { | |
| 2898 fprintf(df, "Error popping the stack!\n"); | |
|
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parents:
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diff
changeset
|
2899 # ifdef DEBUG |
| 4444 | 2900 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr); |
|
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parents:
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diff
changeset
|
2901 # endif |
| 4444 | 2902 fprintf(df, "Postfix form is: "); |
|
14354
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diff
changeset
|
2903 # ifdef DEBUG |
| 4444 | 2904 for (p2 = postfix; p2 < end; p2++) |
| 2905 { | |
| 2906 nfa_set_code(*p2); | |
| 2907 fprintf(df, "%s, ", code); | |
| 2908 } | |
| 2909 nfa_set_code(*p); | |
| 2910 fprintf(df, "\nCurrent position is: "); | |
| 2911 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2912 { | |
| 2913 nfa_set_code(*p2); | |
| 2914 fprintf(df, "%s, ", code); | |
| 2915 } | |
|
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parents:
14309
diff
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|
2916 # else |
| 4444 | 2917 for (p2 = postfix; p2 < end; p2++) |
| 2918 { | |
| 2919 fprintf(df, "%d, ", *p2); | |
| 2920 } | |
| 2921 fprintf(df, "\nCurrent position is: "); | |
| 2922 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2923 { | |
| 2924 fprintf(df, "%d, ", *p2); | |
| 2925 } | |
|
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diff
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|
2926 # endif |
| 4444 | 2927 fprintf(df, "\n--------------------------\n"); |
| 2928 fclose(df); | |
| 2929 } | |
|
4531
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|
2930 #endif |
|
14159
c9342023ea6f
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parents:
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diff
changeset
|
2931 EMSG(_("E874: (NFA) Could not pop the stack!")); |
| 4444 | 2932 } |
| 2933 | |
| 2934 /* | |
| 2935 * Push an item onto the stack. | |
| 2936 */ | |
| 2937 static void | |
|
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7805
diff
changeset
|
2938 st_push(Frag_T s, Frag_T **p, Frag_T *stack_end) |
| 4444 | 2939 { |
| 2940 Frag_T *stackp = *p; | |
| 2941 | |
| 2942 if (stackp >= stack_end) | |
| 2943 return; | |
| 2944 *stackp = s; | |
| 2945 *p = *p + 1; | |
| 2946 } | |
| 2947 | |
| 2948 /* | |
| 2949 * Pop an item from the stack. | |
| 2950 */ | |
| 2951 static Frag_T | |
|
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diff
changeset
|
2952 st_pop(Frag_T **p, Frag_T *stack) |
| 4444 | 2953 { |
| 2954 Frag_T *stackp; | |
| 2955 | |
| 2956 *p = *p - 1; | |
| 2957 stackp = *p; | |
| 2958 if (stackp < stack) | |
| 2959 return empty; | |
| 2960 return **p; | |
| 2961 } | |
| 2962 | |
| 2963 /* | |
|
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|
2964 * Estimate the maximum byte length of anything matching "state". |
|
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|
2965 * When unknown or unlimited return -1. |
|
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|
2966 */ |
|
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|
2967 static int |
|
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diff
changeset
|
2968 nfa_max_width(nfa_state_T *startstate, int depth) |
|
4807
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|
2969 { |
|
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|
2970 int l, r; |
|
3dbd251777de
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|
2971 nfa_state_T *state = startstate; |
|
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|
2972 int len = 0; |
|
3dbd251777de
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|
2973 |
|
3dbd251777de
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|
2974 /* detect looping in a NFA_SPLIT */ |
|
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|
2975 if (depth > 4) |
|
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|
2976 return -1; |
|
3dbd251777de
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|
2977 |
|
4958
0a379dea13c9
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4944
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|
2978 while (state != NULL) |
|
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|
2979 { |
|
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|
2980 switch (state->c) |
|
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|
2981 { |
|
3dbd251777de
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|
2982 case NFA_END_INVISIBLE: |
|
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|
2983 case NFA_END_INVISIBLE_NEG: |
|
3dbd251777de
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|
2984 /* the end, return what we have */ |
|
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|
2985 return len; |
|
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|
2986 |
|
3dbd251777de
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|
2987 case NFA_SPLIT: |
|
3dbd251777de
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|
2988 /* two alternatives, use the maximum */ |
|
3dbd251777de
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|
2989 l = nfa_max_width(state->out, depth + 1); |
|
3dbd251777de
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|
2990 r = nfa_max_width(state->out1, depth + 1); |
|
3dbd251777de
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|
2991 if (l < 0 || r < 0) |
|
3dbd251777de
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|
2992 return -1; |
|
3dbd251777de
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|
2993 return len + (l > r ? l : r); |
|
3dbd251777de
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|
2994 |
|
3dbd251777de
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|
2995 case NFA_ANY: |
|
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|
2996 case NFA_START_COLL: |
|
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|
2997 case NFA_START_NEG_COLL: |
|
3dbd251777de
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|
2998 /* matches some character, including composing chars */ |
|
3dbd251777de
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|
2999 #ifdef FEAT_MBYTE |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3000 if (enc_utf8) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3001 len += MB_MAXBYTES; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3002 else if (has_mbyte) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3003 len += 2; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3004 else |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3005 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3006 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3007 if (state->c != NFA_ANY) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3008 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3009 /* skip over the characters */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3010 state = state->out1->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3011 continue; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3012 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3013 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3014 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3015 case NFA_DIGIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3016 case NFA_WHITE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3017 case NFA_HEX: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3018 case NFA_OCTAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3019 /* ascii */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3020 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3021 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3022 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3023 case NFA_IDENT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3024 case NFA_SIDENT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3025 case NFA_KWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3026 case NFA_SKWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3027 case NFA_FNAME: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3028 case NFA_SFNAME: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3029 case NFA_PRINT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3030 case NFA_SPRINT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3031 case NFA_NWHITE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3032 case NFA_NDIGIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3033 case NFA_NHEX: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3034 case NFA_NOCTAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3035 case NFA_WORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3036 case NFA_NWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3037 case NFA_HEAD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3038 case NFA_NHEAD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3039 case NFA_ALPHA: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3040 case NFA_NALPHA: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3041 case NFA_LOWER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3042 case NFA_NLOWER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3043 case NFA_UPPER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3044 case NFA_NUPPER: |
| 5296 | 3045 case NFA_LOWER_IC: |
| 3046 case NFA_NLOWER_IC: | |
| 3047 case NFA_UPPER_IC: | |
| 3048 case NFA_NUPPER_IC: | |
| 5901 | 3049 case NFA_ANY_COMPOSING: |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3050 /* possibly non-ascii */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3051 #ifdef FEAT_MBYTE |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3052 if (has_mbyte) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3053 len += 3; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3054 else |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3055 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3056 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3057 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3058 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3059 case NFA_START_INVISIBLE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3060 case NFA_START_INVISIBLE_NEG: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3061 case NFA_START_INVISIBLE_BEFORE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3062 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3063 /* zero-width, out1 points to the END state */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3064 state = state->out1->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3065 continue; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3066 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3067 case NFA_BACKREF1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3068 case NFA_BACKREF2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3069 case NFA_BACKREF3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3070 case NFA_BACKREF4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3071 case NFA_BACKREF5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3072 case NFA_BACKREF6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3073 case NFA_BACKREF7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3074 case NFA_BACKREF8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3075 case NFA_BACKREF9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3076 #ifdef FEAT_SYN_HL |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3077 case NFA_ZREF1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3078 case NFA_ZREF2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3079 case NFA_ZREF3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3080 case NFA_ZREF4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3081 case NFA_ZREF5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3082 case NFA_ZREF6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3083 case NFA_ZREF7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3084 case NFA_ZREF8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3085 case NFA_ZREF9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3086 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3087 case NFA_NEWL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3088 case NFA_SKIP: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3089 /* unknown width */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3090 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3091 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3092 case NFA_BOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3093 case NFA_EOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3094 case NFA_BOF: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3095 case NFA_EOF: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3096 case NFA_BOW: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3097 case NFA_EOW: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3098 case NFA_MOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3099 case NFA_MOPEN1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3100 case NFA_MOPEN2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3101 case NFA_MOPEN3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3102 case NFA_MOPEN4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3103 case NFA_MOPEN5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3104 case NFA_MOPEN6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3105 case NFA_MOPEN7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3106 case NFA_MOPEN8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3107 case NFA_MOPEN9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3108 #ifdef FEAT_SYN_HL |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3109 case NFA_ZOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3110 case NFA_ZOPEN1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3111 case NFA_ZOPEN2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3112 case NFA_ZOPEN3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3113 case NFA_ZOPEN4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3114 case NFA_ZOPEN5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3115 case NFA_ZOPEN6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3116 case NFA_ZOPEN7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3117 case NFA_ZOPEN8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3118 case NFA_ZOPEN9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3119 case NFA_ZCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3120 case NFA_ZCLOSE1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3121 case NFA_ZCLOSE2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3122 case NFA_ZCLOSE3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3123 case NFA_ZCLOSE4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3124 case NFA_ZCLOSE5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3125 case NFA_ZCLOSE6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3126 case NFA_ZCLOSE7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3127 case NFA_ZCLOSE8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3128 case NFA_ZCLOSE9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3129 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3130 case NFA_MCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3131 case NFA_MCLOSE1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3132 case NFA_MCLOSE2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3133 case NFA_MCLOSE3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3134 case NFA_MCLOSE4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3135 case NFA_MCLOSE5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3136 case NFA_MCLOSE6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3137 case NFA_MCLOSE7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3138 case NFA_MCLOSE8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3139 case NFA_MCLOSE9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3140 case NFA_NOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3141 case NFA_NCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3142 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3143 case NFA_LNUM_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3144 case NFA_LNUM_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3145 case NFA_COL_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3146 case NFA_COL_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3147 case NFA_VCOL_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3148 case NFA_VCOL_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3149 case NFA_MARK_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3150 case NFA_MARK_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3151 case NFA_VISUAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3152 case NFA_LNUM: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3153 case NFA_CURSOR: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3154 case NFA_COL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3155 case NFA_VCOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3156 case NFA_MARK: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3157 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3158 case NFA_ZSTART: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3159 case NFA_ZEND: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3160 case NFA_OPT_CHARS: |
| 5370 | 3161 case NFA_EMPTY: |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3162 case NFA_START_PATTERN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3163 case NFA_END_PATTERN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3164 case NFA_COMPOSING: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3165 case NFA_END_COMPOSING: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3166 /* zero-width */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3167 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3168 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3169 default: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3170 if (state->c < 0) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3171 /* don't know what this is */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3172 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3173 /* normal character */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3174 len += MB_CHAR2LEN(state->c); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3175 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3176 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3177 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3178 /* normal way to continue */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3179 state = state->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3180 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3181 |
|
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4944
diff
changeset
|
3182 /* unrecognized, "cannot happen" */ |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3183 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3184 } |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3185 |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3186 /* |
| 4444 | 3187 * Convert a postfix form into its equivalent NFA. |
| 3188 * Return the NFA start state on success, NULL otherwise. | |
| 3189 */ | |
| 3190 static nfa_state_T * | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3191 post2nfa(int *postfix, int *end, int nfa_calc_size) |
| 4444 | 3192 { |
| 3193 int *p; | |
| 3194 int mopen; | |
| 3195 int mclose; | |
| 3196 Frag_T *stack = NULL; | |
| 3197 Frag_T *stackp = NULL; | |
| 3198 Frag_T *stack_end = NULL; | |
| 3199 Frag_T e1; | |
| 3200 Frag_T e2; | |
| 3201 Frag_T e; | |
| 3202 nfa_state_T *s; | |
| 3203 nfa_state_T *s1; | |
| 3204 nfa_state_T *matchstate; | |
| 4484 | 3205 nfa_state_T *ret = NULL; |
| 4444 | 3206 |
| 3207 if (postfix == NULL) | |
| 3208 return NULL; | |
| 3209 | |
| 4456 | 3210 #define PUSH(s) st_push((s), &stackp, stack_end) |
| 4444 | 3211 #define POP() st_pop(&stackp, stack); \ |
| 3212 if (stackp < stack) \ | |
| 3213 { \ | |
| 3214 st_error(postfix, end, p); \ | |
| 6747 | 3215 vim_free(stack); \ |
| 4444 | 3216 return NULL; \ |
| 3217 } | |
| 3218 | |
| 3219 if (nfa_calc_size == FALSE) | |
| 3220 { | |
| 3221 /* 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
|
3222 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE); |
| 4444 | 3223 stackp = stack; |
| 4462 | 3224 stack_end = stack + (nstate + 1); |
| 4444 | 3225 } |
| 3226 | |
| 3227 for (p = postfix; p < end; ++p) | |
| 3228 { | |
| 3229 switch (*p) | |
| 3230 { | |
| 3231 case NFA_CONCAT: | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3232 /* Concatenation. |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3233 * 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
|
3234 * (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
|
3235 * to postfix form in re2post(). */ |
| 4444 | 3236 if (nfa_calc_size == TRUE) |
| 3237 { | |
| 4458 | 3238 /* nstate += 0; */ |
| 4444 | 3239 break; |
| 3240 } | |
| 3241 e2 = POP(); | |
| 3242 e1 = POP(); | |
| 3243 patch(e1.out, e2.start); | |
| 3244 PUSH(frag(e1.start, e2.out)); | |
| 3245 break; | |
| 3246 | |
| 3247 case NFA_OR: | |
| 3248 /* Alternation */ | |
| 3249 if (nfa_calc_size == TRUE) | |
| 3250 { | |
| 4458 | 3251 nstate++; |
| 4444 | 3252 break; |
| 3253 } | |
| 3254 e2 = POP(); | |
| 3255 e1 = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3256 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
| 4444 | 3257 if (s == NULL) |
| 4484 | 3258 goto theend; |
| 4444 | 3259 PUSH(frag(s, append(e1.out, e2.out))); |
| 3260 break; | |
| 3261 | |
| 3262 case NFA_STAR: | |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3263 /* Zero or more, prefer more */ |
| 4444 | 3264 if (nfa_calc_size == TRUE) |
| 3265 { | |
| 4458 | 3266 nstate++; |
| 4444 | 3267 break; |
| 3268 } | |
| 3269 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3270 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 3271 if (s == NULL) |
| 4484 | 3272 goto theend; |
| 4444 | 3273 patch(e.out, s); |
| 3274 PUSH(frag(s, list1(&s->out1))); | |
| 3275 break; | |
| 3276 | |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3277 case NFA_STAR_NONGREEDY: |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3278 /* Zero or more, prefer zero */ |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3279 if (nfa_calc_size == TRUE) |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3280 { |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3281 nstate++; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3282 break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3283 } |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3284 e = POP(); |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3285 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
|
3286 if (s == NULL) |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3287 goto theend; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3288 patch(e.out, s); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3289 PUSH(frag(s, list1(&s->out))); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3290 break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3291 |
| 4444 | 3292 case NFA_QUEST: |
| 3293 /* one or zero atoms=> greedy match */ | |
| 3294 if (nfa_calc_size == TRUE) | |
| 3295 { | |
| 4458 | 3296 nstate++; |
| 4444 | 3297 break; |
| 3298 } | |
| 3299 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3300 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 3301 if (s == NULL) |
| 4484 | 3302 goto theend; |
| 4444 | 3303 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
| 3304 break; | |
| 3305 | |
| 3306 case NFA_QUEST_NONGREEDY: | |
| 3307 /* zero or one atoms => non-greedy match */ | |
| 3308 if (nfa_calc_size == TRUE) | |
| 3309 { | |
| 4458 | 3310 nstate++; |
| 4444 | 3311 break; |
| 3312 } | |
| 3313 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3314 s = alloc_state(NFA_SPLIT, NULL, e.start); |
| 4444 | 3315 if (s == NULL) |
| 4484 | 3316 goto theend; |
| 4444 | 3317 PUSH(frag(s, append(e.out, list1(&s->out)))); |
| 3318 break; | |
| 3319 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3320 case NFA_END_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3321 case NFA_END_NEG_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3322 /* 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
|
3323 * 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
|
3324 * add the output to the start. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3325 if (nfa_calc_size == TRUE) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3326 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3327 nstate++; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3328 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3329 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3330 e = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3331 s = alloc_state(NFA_END_COLL, NULL, NULL); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3332 if (s == NULL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3333 goto theend; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3334 patch(e.out, s); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3335 e.start->out1 = s; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3336 PUSH(frag(e.start, list1(&s->out))); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3337 break; |
|
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 case NFA_RANGE: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3340 /* 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
|
3341 * 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
|
3342 if (nfa_calc_size == TRUE) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3343 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3344 /* nstate += 0; */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3345 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3346 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3347 e2 = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3348 e1 = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3349 e2.start->val = e2.start->c; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3350 e2.start->c = NFA_RANGE_MAX; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3351 e1.start->val = e1.start->c; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3352 e1.start->c = NFA_RANGE_MIN; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3353 patch(e1.out, e2.start); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3354 PUSH(frag(e1.start, e2.out)); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3355 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3356 |
| 5370 | 3357 case NFA_EMPTY: |
| 3358 /* 0-length, used in a repetition with max/min count of 0 */ | |
| 4444 | 3359 if (nfa_calc_size == TRUE) |
| 3360 { | |
| 4458 | 3361 nstate++; |
| 4444 | 3362 break; |
| 3363 } | |
| 5370 | 3364 s = alloc_state(NFA_EMPTY, NULL, NULL); |
| 4444 | 3365 if (s == NULL) |
| 4484 | 3366 goto theend; |
| 4444 | 3367 PUSH(frag(s, list1(&s->out))); |
| 3368 break; | |
| 3369 | |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3370 case NFA_OPT_CHARS: |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3371 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3372 int n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3373 |
|
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3374 /* \%[abc] implemented as: |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3375 * NFA_SPLIT |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3376 * +-CHAR(a) |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3377 * | +-NFA_SPLIT |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3378 * | +-CHAR(b) |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3379 * | | +-NFA_SPLIT |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3380 * | | +-CHAR(c) |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3381 * | | | +-next |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3382 * | | +- next |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3383 * | +- next |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3384 * +- next |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3385 */ |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3386 n = *++p; /* get number of characters */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3387 if (nfa_calc_size == TRUE) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3388 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3389 nstate += n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3390 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3391 } |
|
4758
b25a1b2e3175
updated for version 7.3.1126
Bram Moolenaar <bram@vim.org>
parents:
4756
diff
changeset
|
3392 s = NULL; /* avoid compiler warning */ |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3393 e1.out = NULL; /* stores list with out1's */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3394 s1 = NULL; /* previous NFA_SPLIT to connect to */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3395 while (n-- > 0) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3396 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3397 e = POP(); /* get character */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3398 s = alloc_state(NFA_SPLIT, e.start, NULL); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3399 if (s == NULL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3400 goto theend; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3401 if (e1.out == NULL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3402 e1 = e; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3403 patch(e.out, s1); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3404 append(e1.out, list1(&s->out1)); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3405 s1 = s; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3406 } |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3407 PUSH(frag(s, e1.out)); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3408 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3409 } |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3410 |
| 4444 | 3411 case NFA_PREV_ATOM_NO_WIDTH: |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3412 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3413 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3414 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3415 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3416 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3417 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3418 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3419 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
|
3420 int start_state; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3421 int end_state; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3422 int n = 0; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3423 nfa_state_T *zend; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3424 nfa_state_T *skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3425 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3426 switch (*p) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3427 { |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3428 case NFA_PREV_ATOM_NO_WIDTH: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3429 start_state = NFA_START_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3430 end_state = NFA_END_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3431 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3432 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3433 start_state = NFA_START_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3434 end_state = NFA_END_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3435 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3436 case NFA_PREV_ATOM_JUST_BEFORE: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3437 start_state = NFA_START_INVISIBLE_BEFORE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3438 end_state = NFA_END_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3439 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3440 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3441 start_state = NFA_START_INVISIBLE_BEFORE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3442 end_state = NFA_END_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3443 break; |
|
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
3444 default: /* NFA_PREV_ATOM_LIKE_PATTERN: */ |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3445 start_state = NFA_START_PATTERN; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3446 end_state = NFA_END_PATTERN; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3447 break; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3448 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3449 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3450 if (before) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3451 n = *++p; /* get the count */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3452 |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3453 /* 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
|
3454 * 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
|
3455 * The \@<= operator: match for the preceding atom. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3456 * The \@<! operator: no match for the preceding atom. |
| 4444 | 3457 * 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
|
3458 * END_INVISIBLE, similarly to MOPEN. */ |
| 4444 | 3459 |
| 3460 if (nfa_calc_size == TRUE) | |
| 3461 { | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3462 nstate += pattern ? 4 : 2; |
| 4444 | 3463 break; |
| 3464 } | |
| 3465 e = POP(); | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3466 s1 = alloc_state(end_state, NULL, NULL); |
| 4444 | 3467 if (s1 == NULL) |
| 4484 | 3468 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3469 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3470 s = alloc_state(start_state, e.start, s1); |
| 4444 | 3471 if (s == NULL) |
| 4484 | 3472 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3473 if (pattern) |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3474 { |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3475 /* 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
|
3476 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
|
3477 if (skip == NULL) |
|
a941848d8c44
patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
11525
diff
changeset
|
3478 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3479 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
|
3480 if (zend == NULL) |
|
a941848d8c44
patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
11525
diff
changeset
|
3481 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3482 s1->out= skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3483 patch(e.out, zend); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3484 PUSH(frag(s, list1(&skip->out))); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3485 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3486 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3487 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3488 patch(e.out, s1); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3489 PUSH(frag(s, list1(&s1->out))); |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3490 if (before) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3491 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3492 if (n <= 0) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3493 /* 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
|
3494 * lot of pointless tries. */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3495 n = nfa_max_width(e.start, 0); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3496 s->val = n; /* store the count */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3497 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3498 } |
| 4444 | 3499 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3500 } |
| 4444 | 3501 |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3502 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3503 case NFA_COMPOSING: /* char with composing char */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3504 #if 0 |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3505 /* TODO */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3506 if (regflags & RF_ICOMBINE) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3507 { |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
3508 /* use the base character only */ |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3509 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3510 #endif |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3511 /* FALLTHROUGH */ |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3512 #endif |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3513 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3514 case NFA_MOPEN: /* \( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3515 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3516 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3517 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3518 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3519 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3520 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3521 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3522 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3523 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3524 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3525 case NFA_ZOPEN: /* \z( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3526 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3527 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3528 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3529 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3530 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3531 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3532 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3533 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3534 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3535 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3536 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */ |
| 4444 | 3537 if (nfa_calc_size == TRUE) |
| 3538 { | |
| 3539 nstate += 2; | |
| 3540 break; | |
| 3541 } | |
| 3542 | |
| 3543 mopen = *p; | |
| 3544 switch (*p) | |
| 3545 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3546 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3547 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3548 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3549 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3550 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3551 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3552 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3553 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3554 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3555 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3556 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3557 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3558 #endif |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3559 #ifdef FEAT_MBYTE |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3560 case NFA_COMPOSING: mclose = NFA_END_COMPOSING; break; |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3561 #endif |
| 4444 | 3562 default: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3563 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */ |
| 4444 | 3564 mclose = *p + NSUBEXP; |
| 3565 break; | |
| 3566 } | |
| 3567 | |
| 3568 /* Allow "NFA_MOPEN" as a valid postfix representation for | |
| 3569 * the empty regexp "". In this case, the NFA will be | |
| 3570 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows | |
| 3571 * empty groups of parenthesis, and empty mbyte chars */ | |
| 3572 if (stackp == stack) | |
| 3573 { | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3574 s = alloc_state(mopen, NULL, NULL); |
| 4444 | 3575 if (s == NULL) |
| 4484 | 3576 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3577 s1 = alloc_state(mclose, NULL, NULL); |
| 4444 | 3578 if (s1 == NULL) |
| 4484 | 3579 goto theend; |
| 4444 | 3580 patch(list1(&s->out), s1); |
| 3581 PUSH(frag(s, list1(&s1->out))); | |
| 3582 break; | |
| 3583 } | |
| 3584 | |
| 3585 /* At least one node was emitted before NFA_MOPEN, so | |
| 3586 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */ | |
| 3587 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3588 s = alloc_state(mopen, e.start, NULL); /* `(' */ |
| 4444 | 3589 if (s == NULL) |
| 4484 | 3590 goto theend; |
| 4444 | 3591 |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3592 s1 = alloc_state(mclose, NULL, NULL); /* `)' */ |
| 4444 | 3593 if (s1 == NULL) |
| 4484 | 3594 goto theend; |
| 4444 | 3595 patch(e.out, s1); |
| 3596 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3597 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3598 if (mopen == NFA_COMPOSING) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3599 /* COMPOSING->out1 = END_COMPOSING */ |
| 4444 | 3600 patch(list1(&s->out1), s1); |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3601 #endif |
| 4444 | 3602 |
| 3603 PUSH(frag(s, list1(&s1->out))); | |
| 3604 break; | |
| 3605 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3606 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3607 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3608 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3609 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3610 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3611 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3612 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3613 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3614 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3615 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3616 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3617 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3618 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3619 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3620 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3621 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3622 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3623 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3624 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3625 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3626 if (nfa_calc_size == TRUE) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3627 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3628 nstate += 2; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3629 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3630 } |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3631 s = alloc_state(*p, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3632 if (s == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3633 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3634 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3635 if (s1 == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3636 goto theend; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3637 patch(list1(&s->out), s1); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3638 PUSH(frag(s, list1(&s1->out))); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3639 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3640 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3641 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3642 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3643 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3644 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3645 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3646 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3647 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3648 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3649 case NFA_COL_LT: |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3650 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3651 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3652 case NFA_MARK_LT: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3653 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3654 int n = *++p; /* lnum, col or mark name */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3655 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3656 if (nfa_calc_size == TRUE) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3657 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3658 nstate += 1; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3659 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3660 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3661 s = alloc_state(p[-1], NULL, NULL); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3662 if (s == NULL) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3663 goto theend; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3664 s->val = n; |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3665 PUSH(frag(s, list1(&s->out))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3666 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3667 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3668 |
| 4444 | 3669 case NFA_ZSTART: |
| 3670 case NFA_ZEND: | |
| 3671 default: | |
| 3672 /* Operands */ | |
| 3673 if (nfa_calc_size == TRUE) | |
| 3674 { | |
| 4458 | 3675 nstate++; |
| 4444 | 3676 break; |
| 3677 } | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3678 s = alloc_state(*p, NULL, NULL); |
| 4444 | 3679 if (s == NULL) |
| 4484 | 3680 goto theend; |
| 4444 | 3681 PUSH(frag(s, list1(&s->out))); |
| 3682 break; | |
| 3683 | |
| 3684 } /* switch(*p) */ | |
| 3685 | |
| 3686 } /* for(p = postfix; *p; ++p) */ | |
| 3687 | |
| 3688 if (nfa_calc_size == TRUE) | |
| 3689 { | |
| 4458 | 3690 nstate++; |
| 4484 | 3691 goto theend; /* Return value when counting size is ignored anyway */ |
| 4444 | 3692 } |
| 3693 | |
| 3694 e = POP(); | |
| 3695 if (stackp != stack) | |
| 6747 | 3696 { |
| 3697 vim_free(stack); | |
| 4444 | 3698 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); |
| 6747 | 3699 } |
| 4444 | 3700 |
| 3701 if (istate >= nstate) | |
| 6747 | 3702 { |
| 3703 vim_free(stack); | |
| 4444 | 3704 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); |
| 6747 | 3705 } |
| 4444 | 3706 |
| 3707 matchstate = &state_ptr[istate++]; /* the match state */ | |
| 3708 matchstate->c = NFA_MATCH; | |
| 3709 matchstate->out = matchstate->out1 = NULL; | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3710 matchstate->id = 0; |
| 4444 | 3711 |
| 3712 patch(e.out, matchstate); | |
| 4484 | 3713 ret = e.start; |
| 3714 | |
| 3715 theend: | |
| 3716 vim_free(stack); | |
| 3717 return ret; | |
| 4444 | 3718 |
| 3719 #undef POP1 | |
| 3720 #undef PUSH1 | |
| 3721 #undef POP2 | |
| 3722 #undef PUSH2 | |
| 3723 #undef POP | |
| 3724 #undef PUSH | |
| 3725 } | |
| 3726 | |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3727 /* |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3728 * 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
|
3729 */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3730 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3731 nfa_postprocess(nfa_regprog_T *prog) |
|
4845
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 i; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3734 int c; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3735 |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3736 for (i = 0; i < prog->nstate; ++i) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3737 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3738 c = prog->state[i].c; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3739 if (c == NFA_START_INVISIBLE |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3740 || c == NFA_START_INVISIBLE_NEG |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3741 || c == NFA_START_INVISIBLE_BEFORE |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3742 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
|
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 int directly; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3745 |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3746 /* 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
|
3747 * match. */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3748 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
|
3749 directly = TRUE; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3750 else |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3751 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3752 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
|
3753 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
|
3754 |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3755 /* 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
|
3756 * lower chance of failing. */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3757 if (c == NFA_START_INVISIBLE_BEFORE |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3758 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
|
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 /* "before" matches are very expensive when |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3761 * unbounded, always prefer what follows then, |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3762 * unless what follows will always match. |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3763 * Otherwise strongly prefer what follows. */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3764 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
|
3765 directly = FALSE; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3766 else |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3767 directly = ch_follows * 10 < ch_invisible; |
|
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 else |
|
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 /* normal invisible, first do the one with the |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3772 * highest failure chance */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3773 directly = ch_follows < ch_invisible; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3774 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3775 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3776 if (directly) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3777 /* switch to the _FIRST state */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3778 ++prog->state[i].c; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3779 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3780 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3781 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3782 |
| 4444 | 3783 /**************************************************************** |
| 3784 * NFA execution code. | |
| 3785 ****************************************************************/ | |
| 3786 | |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3787 typedef struct |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3788 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3789 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
|
3790 |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3791 /* 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
|
3792 union |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3793 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3794 struct multipos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3795 { |
| 6547 | 3796 linenr_T start_lnum; |
| 3797 linenr_T end_lnum; | |
| 3798 colnr_T start_col; | |
| 3799 colnr_T end_col; | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3800 } multi[NSUBEXP]; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3801 struct linepos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3802 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3803 char_u *start; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3804 char_u *end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3805 } line[NSUBEXP]; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3806 } list; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3807 } regsub_T; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3808 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3809 typedef struct |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3810 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3811 regsub_T norm; /* \( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3812 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3813 regsub_T synt; /* \z( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3814 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3815 } regsubs_T; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3816 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3817 /* nfa_pim_T stores a Postponed Invisible Match. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3818 typedef struct nfa_pim_S nfa_pim_T; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3819 struct nfa_pim_S |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3820 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3821 int result; /* NFA_PIM_*, see below */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3822 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
|
3823 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
|
3824 union |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3825 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3826 lpos_T pos; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3827 char_u *ptr; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3828 } end; /* where the match must end */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3829 }; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3830 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3831 /* Values for done in nfa_pim_T. */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3832 #define NFA_PIM_UNUSED 0 /* pim not used */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3833 #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
|
3834 #define NFA_PIM_MATCH 2 /* pim executed, matches */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3835 #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
|
3836 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3837 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3838 /* 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
|
3839 typedef struct |
| 4444 | 3840 { |
| 3841 nfa_state_T *state; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3842 int count; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3843 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
|
3844 * invisible match */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3845 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
|
3846 } nfa_thread_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3847 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3848 /* nfa_list_T contains the alternative NFA execution states. */ |
| 4444 | 3849 typedef struct |
| 3850 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3851 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
|
3852 int n; /* nr of states currently in "t" */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3853 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
|
3854 int id; /* ID of the list */ |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
3855 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
|
3856 } nfa_list_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3857 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3858 #ifdef ENABLE_LOG |
|
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
3859 static void log_subexpr(regsub_T *sub); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3860 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3861 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3862 log_subsexpr(regsubs_T *subs) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3863 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3864 log_subexpr(&subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3865 # 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
|
3866 if (rex.nfa_has_zsubexpr) |
|
4770
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3867 log_subexpr(&subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3868 # endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3869 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3870 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3871 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3872 log_subexpr(regsub_T *sub) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3873 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3874 int j; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3875 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3876 for (j = 0; j < sub->in_use; j++) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3877 if (REG_MULTI) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3878 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
|
3879 j, |
| 6547 | 3880 sub->list.multi[j].start_col, |
| 3881 (int)sub->list.multi[j].start_lnum, | |
| 3882 sub->list.multi[j].end_col, | |
| 3883 (int)sub->list.multi[j].end_lnum); | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3884 else |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3885 { |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3886 char *s = (char *)sub->list.line[j].start; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3887 char *e = (char *)sub->list.line[j].end; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3888 |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3889 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
|
3890 j, |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3891 s == NULL ? "NULL" : s, |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3892 e == NULL ? "NULL" : e); |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3893 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3894 } |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3895 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3896 static char * |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3897 pim_info(nfa_pim_T *pim) |
|
4813
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 static char buf[30]; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3900 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3901 if (pim == NULL || pim->result == NFA_PIM_UNUSED) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3902 buf[0] = NUL; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3903 else |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3904 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3905 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
|
3906 : (int)(pim->end.ptr - rex.input)); |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3907 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3908 return buf; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3909 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3910 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3911 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3912 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3913 /* 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
|
3914 static int nfa_match; |
| 6573 | 3915 #ifdef FEAT_RELTIME |
| 3916 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
|
3917 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
|
3918 static int nfa_time_count; |
| 6573 | 3919 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3920 |
|
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
3921 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
|
3922 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
|
3923 |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3924 /* |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3925 * 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
|
3926 */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3927 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3928 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
|
3929 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3930 to->result = from->result; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3931 to->state = from->state; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3932 copy_sub(&to->subs.norm, &from->subs.norm); |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3933 #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
|
3934 if (rex.nfa_has_zsubexpr) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3935 copy_sub(&to->subs.synt, &from->subs.synt); |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3936 #endif |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3937 to->end = from->end; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3938 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3939 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3940 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3941 clear_sub(regsub_T *sub) |
|
4686
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 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3944 /* Use 0xff to set lnum to -1 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3945 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
|
3946 sizeof(struct multipos) * rex.nfa_nsubexpr); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3947 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3948 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
|
3949 sizeof(struct linepos) * rex.nfa_nsubexpr); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3950 sub->in_use = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3951 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3952 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3953 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3954 * Copy the submatches from "from" to "to". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3955 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3956 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3957 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
|
3958 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3959 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3960 if (from->in_use > 0) |
|
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 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3963 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3964 mch_memmove(&to->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3965 &from->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3966 sizeof(struct multipos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3967 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3968 mch_memmove(&to->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3969 &from->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3970 sizeof(struct linepos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3971 } |
|
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 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3974 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3975 * Like copy_sub() but exclude the main match. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3976 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3977 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3978 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
|
3979 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3980 if (to->in_use < from->in_use) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3981 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3982 if (from->in_use > 1) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3983 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3984 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3985 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3986 mch_memmove(&to->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3987 &from->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3988 sizeof(struct multipos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3989 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3990 mch_memmove(&to->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3991 &from->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3992 sizeof(struct linepos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3993 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3994 } |
| 4444 | 3995 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3996 /* |
| 5372 | 3997 * Like copy_sub() but only do the end of the main match if \ze is present. |
| 3998 */ | |
| 3999 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4000 copy_ze_off(regsub_T *to, regsub_T *from) |
| 5372 | 4001 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4002 if (rex.nfa_has_zend) |
| 5372 | 4003 { |
| 4004 if (REG_MULTI) | |
| 4005 { | |
| 6547 | 4006 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
|
4007 { |
| 6547 | 4008 to->list.multi[0].end_lnum = from->list.multi[0].end_lnum; |
| 4009 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
|
4010 } |
| 5372 | 4011 } |
| 4012 else | |
| 4013 { | |
| 4014 if (from->list.line[0].end != NULL) | |
| 4015 to->list.line[0].end = from->list.line[0].end; | |
| 4016 } | |
| 4017 } | |
| 4018 } | |
| 4019 | |
| 4020 /* | |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4021 * Return TRUE if "sub1" and "sub2" have the same start positions. |
| 5893 | 4022 * 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
|
4023 */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4024 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4025 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
|
4026 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4027 int i; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4028 int todo; |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4029 linenr_T s1; |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4030 linenr_T s2; |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4031 char_u *sp1; |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4032 char_u *sp2; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4033 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4034 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
|
4035 if (REG_MULTI) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4036 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4037 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4038 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4039 if (i < sub1->in_use) |
| 6547 | 4040 s1 = sub1->list.multi[i].start_lnum; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4041 else |
|
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4042 s1 = -1; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4043 if (i < sub2->in_use) |
| 6547 | 4044 s2 = sub2->list.multi[i].start_lnum; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4045 else |
|
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4046 s2 = -1; |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4047 if (s1 != s2) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4048 return FALSE; |
| 6547 | 4049 if (s1 != -1 && sub1->list.multi[i].start_col |
| 4050 != sub2->list.multi[i].start_col) | |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4051 return FALSE; |
| 5893 | 4052 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4053 if (rex.nfa_has_backref) |
| 5893 | 4054 { |
| 4055 if (i < sub1->in_use) | |
| 6547 | 4056 s1 = sub1->list.multi[i].end_lnum; |
| 5893 | 4057 else |
| 4058 s1 = -1; | |
| 4059 if (i < sub2->in_use) | |
| 6547 | 4060 s2 = sub2->list.multi[i].end_lnum; |
| 5893 | 4061 else |
| 4062 s2 = -1; | |
| 4063 if (s1 != s2) | |
| 4064 return FALSE; | |
| 6547 | 4065 if (s1 != -1 && sub1->list.multi[i].end_col |
| 4066 != sub2->list.multi[i].end_col) | |
| 5893 | 4067 return FALSE; |
| 4068 } | |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4069 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4070 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4071 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4072 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4073 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4074 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4075 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4076 sp1 = sub1->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4077 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4078 sp1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4079 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4080 sp2 = sub2->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4081 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4082 sp2 = NULL; |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4083 if (sp1 != sp2) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4084 return FALSE; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4085 if (rex.nfa_has_backref) |
| 5893 | 4086 { |
| 4087 if (i < sub1->in_use) | |
| 4088 sp1 = sub1->list.line[i].end; | |
| 4089 else | |
| 4090 sp1 = NULL; | |
| 4091 if (i < sub2->in_use) | |
| 4092 sp2 = sub2->list.line[i].end; | |
| 4093 else | |
| 4094 sp2 = NULL; | |
| 4095 if (sp1 != sp2) | |
| 4096 return FALSE; | |
| 4097 } | |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4098 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4099 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4100 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4101 return TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4102 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4103 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4104 #ifdef ENABLE_LOG |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4105 static void |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4106 report_state(char *action, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4107 regsub_T *sub, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4108 nfa_state_T *state, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4109 int lid, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4110 nfa_pim_T *pim) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4111 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4112 int col; |
|
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 if (sub->in_use <= 0) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4115 col = -1; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4116 else if (REG_MULTI) |
| 6547 | 4117 col = sub->list.multi[0].start_col; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4118 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4119 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
|
4120 nfa_set_code(state->c); |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4121 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
|
4122 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
|
4123 pim_info(pim)); |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4124 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4125 #endif |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4126 |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4127 /* |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4128 * 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
|
4129 * positions as "subs". |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4130 */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4131 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4132 has_state_with_pos( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4133 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
|
4134 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
|
4135 regsubs_T *subs, /* pointers to subexpressions */ |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4136 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
|
4137 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4138 nfa_thread_T *thread; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4139 int i; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4140 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4141 for (i = 0; i < l->n; ++i) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4142 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4143 thread = &l->t[i]; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4144 if (thread->state->id == state->id |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4145 && sub_equal(&thread->subs.norm, &subs->norm) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4146 #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
|
4147 && (!rex.nfa_has_zsubexpr |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4148 || sub_equal(&thread->subs.synt, &subs->synt)) |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4149 #endif |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4150 && pim_equal(&thread->pim, pim)) |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4151 return TRUE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4152 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4153 return FALSE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4154 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4155 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4156 /* |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4157 * 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
|
4158 * set. |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4159 */ |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4160 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4161 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
|
4162 { |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4163 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
|
4164 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
|
4165 |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4166 if (one_unused) |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4167 /* 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
|
4168 return two_unused; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4169 if (two_unused) |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4170 /* 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
|
4171 return FALSE; |
| 5298 | 4172 /* compare the state id */ |
| 4173 if (one->state->id != two->state->id) | |
| 4174 return FALSE; | |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4175 /* compare the position */ |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4176 if (REG_MULTI) |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4177 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
|
4178 && one->end.pos.col == two->end.pos.col; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4179 return one->end.ptr == two->end.ptr; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4180 } |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4181 |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4182 /* |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4183 * 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
|
4184 */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4185 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4186 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
|
4187 { |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4188 nfa_state_T *state = startstate; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4189 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4190 /* avoid too much recursion */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4191 if (depth > 10) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4192 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4193 |
|
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4194 while (state != NULL) |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4195 { |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4196 switch (state->c) |
|
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_MATCH: |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4199 case NFA_MCLOSE: |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4200 case NFA_END_INVISIBLE: |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4201 case NFA_END_INVISIBLE_NEG: |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4202 case NFA_END_PATTERN: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4203 return TRUE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4204 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4205 case NFA_SPLIT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4206 return match_follows(state->out, depth + 1) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4207 || match_follows(state->out1, depth + 1); |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4208 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4209 case NFA_START_INVISIBLE: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4210 case NFA_START_INVISIBLE_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4211 case NFA_START_INVISIBLE_BEFORE: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4212 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4213 case NFA_START_INVISIBLE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4214 case NFA_START_INVISIBLE_NEG_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4215 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4216 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4217 case NFA_COMPOSING: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4218 /* skip ahead to next state */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4219 state = state->out1->out; |
|
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4220 continue; |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4221 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4222 case NFA_ANY: |
| 5901 | 4223 case NFA_ANY_COMPOSING: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4224 case NFA_IDENT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4225 case NFA_SIDENT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4226 case NFA_KWORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4227 case NFA_SKWORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4228 case NFA_FNAME: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4229 case NFA_SFNAME: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4230 case NFA_PRINT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4231 case NFA_SPRINT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4232 case NFA_WHITE: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4233 case NFA_NWHITE: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4234 case NFA_DIGIT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4235 case NFA_NDIGIT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4236 case NFA_HEX: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4237 case NFA_NHEX: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4238 case NFA_OCTAL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4239 case NFA_NOCTAL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4240 case NFA_WORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4241 case NFA_NWORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4242 case NFA_HEAD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4243 case NFA_NHEAD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4244 case NFA_ALPHA: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4245 case NFA_NALPHA: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4246 case NFA_LOWER: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4247 case NFA_NLOWER: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4248 case NFA_UPPER: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4249 case NFA_NUPPER: |
| 5296 | 4250 case NFA_LOWER_IC: |
| 4251 case NFA_NLOWER_IC: | |
| 4252 case NFA_UPPER_IC: | |
| 4253 case NFA_NUPPER_IC: | |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4254 case NFA_START_COLL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4255 case NFA_START_NEG_COLL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4256 case NFA_NEWL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4257 /* state will advance input */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4258 return FALSE; |
|
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 default: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4261 if (state->c > 0) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4262 /* state will advance input */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4263 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4264 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4265 /* 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
|
4266 * a match at the same position, keep looking. */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4267 break; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4268 } |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4269 state = state->out; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4270 } |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4271 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4272 } |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4273 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4274 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4275 /* |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4276 * 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
|
4277 */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4278 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4279 state_in_list( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4280 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
|
4281 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
|
4282 regsubs_T *subs) /* pointers to subexpressions */ |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4283 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4284 if (state->lastlist[nfa_ll_index] == l->id) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4285 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4286 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
|
4287 return TRUE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4288 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4289 return FALSE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4290 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4291 |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4292 /* 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
|
4293 #define ADDSTATE_HERE_OFFSET 10 |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4294 |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4295 /* |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4296 * 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
|
4297 * Returns "subs_arg", possibly copied into temp_subs. |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4298 */ |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4299 static regsubs_T * |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4300 addstate( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4301 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
|
4302 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
|
4303 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
|
4304 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
|
4305 int off_arg) /* byte offset, when -1 go to next line */ |
| 4444 | 4306 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4307 int subidx; |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4308 int off = off_arg; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4309 int add_here = FALSE; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4310 int listindex = 0; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4311 int k; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4312 int found = FALSE; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4313 nfa_thread_T *thread; |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4314 struct multipos save_multipos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4315 int save_in_use; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4316 char_u *save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4317 int i; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4318 regsub_T *sub; |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4319 regsubs_T *subs = subs_arg; |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4320 static regsubs_T temp_subs; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4321 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4322 int did_print = FALSE; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4323 #endif |
| 4444 | 4324 |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4325 if (off_arg <= -ADDSTATE_HERE_OFFSET) |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4326 { |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4327 add_here = TRUE; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4328 off = 0; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4329 listindex = -(off_arg + ADDSTATE_HERE_OFFSET); |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4330 } |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4331 |
| 4444 | 4332 switch (state->c) |
| 4333 { | |
| 4334 case NFA_NCLOSE: | |
| 4335 case NFA_MCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4336 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4337 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4338 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4339 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4340 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4341 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4342 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4343 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4344 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4345 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4346 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4347 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4348 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4349 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4350 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4351 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4352 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4353 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4354 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4355 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4356 #endif |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4357 case NFA_MOPEN: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4358 case NFA_ZEND: |
|
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4359 case NFA_SPLIT: |
| 5370 | 4360 case NFA_EMPTY: |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4361 /* 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
|
4362 * "out1" may be added below. */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4363 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4364 |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4365 case NFA_BOL: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4366 case NFA_BOF: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4367 /* "^" 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
|
4368 * 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
|
4369 * 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
|
4370 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
|
4371 && *rex.input != NUL |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4372 && (nfa_endp == NULL |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4373 || !REG_MULTI |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4374 || 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
|
4375 goto skip_add; |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4376 /* FALLTHROUGH */ |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4377 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4378 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4379 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4380 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4381 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4382 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4383 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4384 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4385 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4386 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4387 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4388 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4389 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4390 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4391 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4392 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4393 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4394 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4395 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4396 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4397 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4398 #endif |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4399 case NFA_NOPEN: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4400 case NFA_ZSTART: |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4401 /* 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
|
4402 * 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
|
4403 * endless loop for "\(\)*" */ |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4404 |
| 4444 | 4405 default: |
| 5502 | 4406 if (state->lastlist[nfa_ll_index] == l->id && state->c != NFA_SKIP) |
| 4444 | 4407 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4408 /* 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
|
4409 * unless it is an MOPEN that is used for a backreference or |
| 5895 | 4410 * when there is a PIM. For NFA_MATCH check the position, |
| 4411 * 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
|
4412 if (!rex.nfa_has_backref && pim == NULL && !l->has_pim |
| 5895 | 4413 && state->c != NFA_MATCH) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4414 { |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4415 /* 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
|
4416 * existing states. */ |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4417 if (add_here) |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4418 { |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4419 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
|
4420 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
|
4421 { |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4422 found = TRUE; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4423 break; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4424 } |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4425 } |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4426 if (!add_here || found) |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4427 { |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4428 skip_add: |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4429 #ifdef ENABLE_LOG |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4430 nfa_set_code(state->c); |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4431 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
|
4432 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
|
4433 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
|
4434 #endif |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4435 return subs; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4436 } |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4437 } |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4438 |
|
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4439 /* 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
|
4440 * positions. */ |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4441 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
|
4442 goto skip_add; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4443 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4444 |
|
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4445 /* 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
|
4446 * be (a lot) bigger than anticipated. */ |
|
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4447 if (l->n == l->len) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4448 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4449 int newlen = l->len * 3 / 2 + 50; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4450 |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4451 if (subs != &temp_subs) |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4452 { |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4453 /* "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
|
4454 * copy before it becomes invalid. */ |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4455 copy_sub(&temp_subs.norm, &subs->norm); |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4456 #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
|
4457 if (rex.nfa_has_zsubexpr) |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4458 copy_sub(&temp_subs.synt, &subs->synt); |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4459 #endif |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4460 subs = &temp_subs; |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4461 } |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4462 |
| 6594 | 4463 /* TODO: check for vim_realloc() returning NULL. */ |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4464 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
|
4465 l->len = newlen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4466 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4467 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4468 /* add the state to the list */ |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4469 state->lastlist[nfa_ll_index] = l->id; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4470 thread = &l->t[l->n++]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4471 thread->state = state; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4472 if (pim == NULL) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4473 thread->pim.result = NFA_PIM_UNUSED; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4474 else |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4475 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4476 copy_pim(&thread->pim, pim); |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4477 l->has_pim = TRUE; |
|
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4478 } |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4479 copy_sub(&thread->subs.norm, &subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4480 #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
|
4481 if (rex.nfa_has_zsubexpr) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4482 copy_sub(&thread->subs.synt, &subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4483 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4484 #ifdef ENABLE_LOG |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4485 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
|
4486 did_print = TRUE; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4487 #endif |
| 4444 | 4488 } |
| 4489 | |
| 4490 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4491 if (!did_print) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4492 report_state("Processing", &subs->norm, state, l->id, pim); |
| 4444 | 4493 #endif |
| 4494 switch (state->c) | |
| 4495 { | |
| 4496 case NFA_MATCH: | |
| 4497 break; | |
| 4498 | |
| 4499 case NFA_SPLIT: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4500 /* order matters here */ |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4501 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
|
4502 subs = addstate(l, state->out1, subs, pim, off_arg); |
| 4444 | 4503 break; |
| 4504 | |
| 5370 | 4505 case NFA_EMPTY: |
| 4444 | 4506 case NFA_NOPEN: |
| 4507 case NFA_NCLOSE: | |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4508 subs = addstate(l, state->out, subs, pim, off_arg); |
| 4444 | 4509 break; |
| 4510 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4511 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4512 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4513 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4514 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4515 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4516 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4517 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4518 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4519 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4520 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4521 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4522 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4523 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4524 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4525 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4526 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4527 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4528 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4529 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4530 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4531 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4532 #endif |
| 4444 | 4533 case NFA_ZSTART: |
| 4534 if (state->c == NFA_ZSTART) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4535 { |
| 4444 | 4536 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4537 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4538 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4539 #ifdef FEAT_SYN_HL |
| 5300 | 4540 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
|
4541 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4542 subidx = state->c - NFA_ZOPEN; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4543 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4544 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4545 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4546 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4547 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4548 subidx = state->c - NFA_MOPEN; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4549 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4550 } |
| 4444 | 4551 |
|
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4552 /* avoid compiler warnings */ |
|
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4553 save_ptr = NULL; |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4554 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
|
4555 |
|
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4556 /* 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
|
4557 * and restore it when it was in use. Otherwise fill any gap. */ |
| 4444 | 4558 if (REG_MULTI) |
| 4559 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4560 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4561 { |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4562 save_multipos = sub->list.multi[subidx]; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4563 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4564 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4565 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4566 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4567 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4568 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
|
4569 { |
| 6547 | 4570 sub->list.multi[i].start_lnum = -1; |
| 4571 sub->list.multi[i].end_lnum = -1; | |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4572 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4573 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4574 } |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4575 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4576 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4577 sub->list.multi[subidx].start_lnum = rex.lnum + 1; |
| 6547 | 4578 sub->list.multi[subidx].start_col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4579 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4580 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4581 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4582 sub->list.multi[subidx].start_lnum = rex.lnum; |
| 6547 | 4583 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
|
4584 (colnr_T)(rex.input - rex.line + off); |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4585 } |
|
7152
cbdc02d71a18
commit https://github.com/vim/vim/commit/c2b717ebd6719e722dcb5f10e4c74033a53ff7c7
Christian Brabandt <cb@256bit.org>
parents:
6914
diff
changeset
|
4586 sub->list.multi[subidx].end_lnum = -1; |
| 4444 | 4587 } |
| 4588 else | |
| 4589 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4590 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4591 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4592 save_ptr = sub->list.line[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4593 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4594 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4595 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4596 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4597 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4598 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
|
4599 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4600 sub->list.line[i].start = NULL; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4601 sub->list.line[i].end = NULL; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4602 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4603 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4604 } |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4605 sub->list.line[subidx].start = rex.input + off; |
| 4444 | 4606 } |
| 4607 | |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4608 subs = addstate(l, state->out, subs, pim, off_arg); |
| 5300 | 4609 /* "subs" may have changed, need to set "sub" again */ |
| 4610 #ifdef FEAT_SYN_HL | |
| 4611 if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9) | |
| 4612 sub = &subs->synt; | |
| 4613 else | |
| 4614 #endif | |
| 4615 sub = &subs->norm; | |
| 4444 | 4616 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4617 if (save_in_use == -1) |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4618 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4619 if (REG_MULTI) |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4620 sub->list.multi[subidx] = save_multipos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4621 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4622 sub->list.line[subidx].start = save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4623 } |
| 4444 | 4624 else |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4625 sub->in_use = save_in_use; |
| 4444 | 4626 break; |
| 4627 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4628 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
|
4629 if (rex.nfa_has_zend && (REG_MULTI |
| 6547 | 4630 ? subs->norm.list.multi[0].end_lnum >= 0 |
| 5336 | 4631 : subs->norm.list.line[0].end != NULL)) |
| 4444 | 4632 { |
| 5336 | 4633 /* 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
|
4634 subs = addstate(l, state->out, subs, pim, off_arg); |
| 4444 | 4635 break; |
| 4636 } | |
|
12674
e769c912fcd9
patch 8.0.1215: newer gcc warns for implicit fallthrough
Christian Brabandt <cb@256bit.org>
parents:
11896
diff
changeset
|
4637 /* FALLTHROUGH */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4638 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4639 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4640 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4641 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4642 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4643 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4644 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4645 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4646 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4647 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4648 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4649 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4650 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4651 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4652 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4653 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4654 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4655 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4656 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4657 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4658 #endif |
| 4444 | 4659 case NFA_ZEND: |
| 4660 if (state->c == NFA_ZEND) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4661 { |
| 4444 | 4662 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4663 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4664 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4665 #ifdef FEAT_SYN_HL |
| 5300 | 4666 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
|
4667 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4668 subidx = state->c - NFA_ZCLOSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4669 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4670 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4671 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4672 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4673 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4674 subidx = state->c - NFA_MCLOSE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4675 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4676 } |
| 4444 | 4677 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4678 /* 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
|
4679 * has done that. */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4680 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4681 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4682 sub->in_use = subidx + 1; |
| 4444 | 4683 if (REG_MULTI) |
| 4684 { | |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4685 save_multipos = sub->list.multi[subidx]; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4686 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4687 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4688 sub->list.multi[subidx].end_lnum = rex.lnum + 1; |
| 6547 | 4689 sub->list.multi[subidx].end_col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4690 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4691 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4692 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4693 sub->list.multi[subidx].end_lnum = rex.lnum; |
| 6547 | 4694 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
|
4695 (colnr_T)(rex.input - rex.line + off); |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4696 } |
|
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4697 /* avoid compiler warnings */ |
|
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4698 save_ptr = NULL; |
| 4444 | 4699 } |
| 4700 else | |
| 4701 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4702 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
|
4703 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
|
4704 /* avoid compiler warnings */ |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4705 vim_memset(&save_multipos, 0, sizeof(save_multipos)); |
| 4444 | 4706 } |
| 4707 | |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4708 subs = addstate(l, state->out, subs, pim, off_arg); |
| 5300 | 4709 /* "subs" may have changed, need to set "sub" again */ |
| 4710 #ifdef FEAT_SYN_HL | |
| 4711 if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9) | |
| 4712 sub = &subs->synt; | |
| 4713 else | |
| 4714 #endif | |
| 4715 sub = &subs->norm; | |
| 4444 | 4716 |
| 4717 if (REG_MULTI) | |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4718 sub->list.multi[subidx] = save_multipos; |
| 4444 | 4719 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4720 sub->list.line[subidx].end = save_ptr; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4721 sub->in_use = save_in_use; |
| 4444 | 4722 break; |
| 4723 } | |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4724 return subs; |
| 4444 | 4725 } |
| 4726 | |
| 4727 /* | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4728 * 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
|
4729 * 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
|
4730 * 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
|
4731 * matters for alternatives. |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4732 */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4733 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4734 addstate_here( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4735 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
|
4736 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
|
4737 regsubs_T *subs, /* pointers to subexpressions */ |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4738 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
|
4739 int *ip) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4740 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4741 int tlen = l->n; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4742 int count; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4743 int listidx = *ip; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4744 |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4745 /* 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
|
4746 * 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
|
4747 * addstate(). */ |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4748 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
|
4749 |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4750 /* 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
|
4751 if (listidx + 1 == tlen) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4752 return; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4753 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4754 /* 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
|
4755 count = l->n - tlen; |
|
4924
6ae32a64e153
updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents:
4897
diff
changeset
|
4756 if (count == 0) |
|
6ae32a64e153
updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents:
4897
diff
changeset
|
4757 return; /* no state got added */ |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4758 if (count == 1) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4759 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4760 /* overwrite the current state */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4761 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
|
4762 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4763 else if (count > 1) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4764 { |
|
5058
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4765 if (l->n + count - 1 >= l->len) |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4766 { |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4767 /* 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
|
4768 * and move the states to the right position */ |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4769 nfa_thread_T *newl; |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4770 |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4771 l->len = l->len * 3 / 2 + 50; |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4772 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
|
4773 if (newl == NULL) |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4774 return; |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4775 mch_memmove(&(newl[0]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4776 &(l->t[0]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4777 sizeof(nfa_thread_T) * listidx); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4778 mch_memmove(&(newl[listidx]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4779 &(l->t[l->n - count]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4780 sizeof(nfa_thread_T) * count); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4781 mch_memmove(&(newl[listidx + count]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4782 &(l->t[listidx + 1]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4783 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
|
4784 vim_free(l->t); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4785 l->t = newl; |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4786 } |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4787 else |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4788 { |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4789 /* 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
|
4790 * end to the current position */ |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4791 mch_memmove(&(l->t[listidx + count]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4792 &(l->t[listidx + 1]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4793 sizeof(nfa_thread_T) * (l->n - listidx - 1)); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4794 mch_memmove(&(l->t[listidx]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4795 &(l->t[l->n - 1]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4796 sizeof(nfa_thread_T) * count); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4797 } |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4798 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4799 --l->n; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4800 *ip = listidx - 1; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4801 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4802 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4803 /* |
| 4444 | 4804 * Check character class "class" against current character c. |
| 4805 */ | |
| 4806 static int | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4807 check_char_class(int class, int c) |
| 4444 | 4808 { |
| 4809 switch (class) | |
| 4810 { | |
| 4811 case NFA_CLASS_ALNUM: | |
|
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4812 if (c >= 1 && c < 128 && isalnum(c)) |
| 4444 | 4813 return OK; |
| 4814 break; | |
| 4815 case NFA_CLASS_ALPHA: | |
|
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4816 if (c >= 1 && c < 128 && isalpha(c)) |
| 4444 | 4817 return OK; |
| 4818 break; | |
| 4819 case NFA_CLASS_BLANK: | |
| 4820 if (c == ' ' || c == '\t') | |
| 4821 return OK; | |
| 4822 break; | |
| 4823 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
|
4824 if (c >= 1 && c <= 127 && iscntrl(c)) |
| 4444 | 4825 return OK; |
| 4826 break; | |
| 4827 case NFA_CLASS_DIGIT: | |
| 4828 if (VIM_ISDIGIT(c)) | |
| 4829 return OK; | |
| 4830 break; | |
| 4831 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
|
4832 if (c >= 1 && c <= 127 && isgraph(c)) |
| 4444 | 4833 return OK; |
| 4834 break; | |
| 4835 case NFA_CLASS_LOWER: | |
|
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4836 if (MB_ISLOWER(c) && c != 170 && c != 186) |
| 4444 | 4837 return OK; |
| 4838 break; | |
| 4839 case NFA_CLASS_PRINT: | |
| 4840 if (vim_isprintc(c)) | |
| 4841 return OK; | |
| 4842 break; | |
| 4843 case NFA_CLASS_PUNCT: | |
|
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4844 if (c >= 1 && c < 128 && ispunct(c)) |
| 4444 | 4845 return OK; |
| 4846 break; | |
| 4847 case NFA_CLASS_SPACE: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4848 if ((c >= 9 && c <= 13) || (c == ' ')) |
| 4444 | 4849 return OK; |
| 4850 break; | |
| 4851 case NFA_CLASS_UPPER: | |
| 4852 if (MB_ISUPPER(c)) | |
| 4853 return OK; | |
| 4854 break; | |
| 4855 case NFA_CLASS_XDIGIT: | |
| 4856 if (vim_isxdigit(c)) | |
| 4857 return OK; | |
| 4858 break; | |
| 4859 case NFA_CLASS_TAB: | |
| 4860 if (c == '\t') | |
| 4861 return OK; | |
| 4862 break; | |
| 4863 case NFA_CLASS_RETURN: | |
| 4864 if (c == '\r') | |
| 4865 return OK; | |
| 4866 break; | |
| 4867 case NFA_CLASS_BACKSPACE: | |
| 4868 if (c == '\b') | |
| 4869 return OK; | |
| 4870 break; | |
| 4871 case NFA_CLASS_ESCAPE: | |
| 4872 if (c == '\033') | |
| 4873 return OK; | |
| 4874 break; | |
| 4875 | |
| 4876 default: | |
| 4877 /* should not be here :P */ | |
|
10540
ea7fbae33285
patch 8.0.0160: EMSG() is sometimes used where it should be IEMSG()
Christian Brabandt <cb@256bit.org>
parents:
10245
diff
changeset
|
4878 IEMSGN(_(e_ill_char_class), class); |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
4879 return FAIL; |
| 4444 | 4880 } |
| 4881 return FAIL; | |
| 4882 } | |
| 4883 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4884 /* |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4885 * Check for a match with subexpression "subidx". |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4886 * Return TRUE if it matches. |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4887 */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4888 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4889 match_backref( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4890 regsub_T *sub, /* pointers to subexpressions */ |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4891 int subidx, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4892 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
|
4893 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4894 int len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4895 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4896 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4897 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4898 retempty: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4899 /* backref was not set, match an empty string */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4900 *bytelen = 0; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4901 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4902 } |
|
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 if (REG_MULTI) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4905 { |
| 6547 | 4906 if (sub->list.multi[subidx].start_lnum < 0 |
| 4907 || sub->list.multi[subidx].end_lnum < 0) | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4908 goto retempty; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4909 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
|
4910 && 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
|
4911 { |
| 6547 | 4912 len = sub->list.multi[subidx].end_col |
| 4913 - 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
|
4914 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
|
4915 rex.input, &len) == 0) |
|
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4916 { |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4917 *bytelen = len; |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4918 return TRUE; |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4919 } |
|
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 else |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4922 { |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4923 if (match_with_backref( |
| 6547 | 4924 sub->list.multi[subidx].start_lnum, |
| 4925 sub->list.multi[subidx].start_col, | |
| 4926 sub->list.multi[subidx].end_lnum, | |
| 4927 sub->list.multi[subidx].end_col, | |
|
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4928 bytelen) == RA_MATCH) |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4929 return TRUE; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4930 } |
|
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 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4933 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4934 if (sub->list.line[subidx].start == NULL |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4935 || sub->list.line[subidx].end == NULL) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4936 goto retempty; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4937 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
|
4938 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
|
4939 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4940 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4941 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4942 } |
|
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 return FALSE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4945 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4946 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4947 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4948 |
|
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 * Check for a match with \z subexpression "subidx". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4951 * Return TRUE if it matches. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4952 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4953 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4954 match_zref( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4955 int subidx, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4956 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
|
4957 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4958 int len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4959 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4960 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4961 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
|
4962 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4963 /* backref was not set, match an empty string */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4964 *bytelen = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4965 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4966 } |
|
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 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
|
4969 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
|
4970 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4971 *bytelen = len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4972 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4973 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4974 return FALSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4975 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4976 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4977 |
| 4444 | 4978 /* |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4979 * 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
|
4980 * Also reset the IDs to zero. |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4981 * Only used for the recursive value lastlist[1]. |
| 4444 | 4982 */ |
| 4983 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4984 nfa_save_listids(nfa_regprog_T *prog, int *list) |
| 4444 | 4985 { |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4986 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4987 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4988 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4989 /* 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
|
4990 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4991 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 4992 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4993 list[i] = p->lastlist[1]; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4994 p->lastlist[1] = 0; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4995 ++p; |
| 4444 | 4996 } |
| 4997 } | |
| 4998 | |
| 4999 /* | |
| 5000 * Restore list IDs from "list" to all NFA states. | |
| 5001 */ | |
| 5002 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5003 nfa_restore_listids(nfa_regprog_T *prog, int *list) |
| 4444 | 5004 { |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5005 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5006 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5007 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5008 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5009 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 5010 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5011 p->lastlist[1] = list[i]; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5012 ++p; |
| 4444 | 5013 } |
| 5014 } | |
| 5015 | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5016 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5017 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
|
5018 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5019 if (op == 1) return pos > val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5020 if (op == 2) return pos < val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5021 return val == pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5022 } |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5023 |
|
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
5024 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
|
5025 |
| 4444 | 5026 /* |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5027 * Recursively call nfa_regmatch() |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5028 * "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
|
5029 * position). |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5030 */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5031 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5032 recursive_regmatch( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5033 nfa_state_T *state, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5034 nfa_pim_T *pim, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5035 nfa_regprog_T *prog, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5036 regsubs_T *submatch, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5037 regsubs_T *m, |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5038 int **listids, |
|
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5039 int *listids_len) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5040 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5041 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
|
5042 int save_reglnum = rex.lnum; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5043 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
|
5044 int save_nfa_listid = rex.nfa_listid; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5045 save_se_T *save_nfa_endp = nfa_endp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5046 save_se_T endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5047 save_se_T *endposp = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5048 int result; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5049 int need_restore = FALSE; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5050 |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5051 if (pim != NULL) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5052 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5053 /* 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
|
5054 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
|
5055 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
|
5056 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5057 rex.input = pim->end.ptr; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5058 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5059 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5060 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
|
5061 || 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
|
5062 || 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
|
5063 || 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
|
5064 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5065 /* 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
|
5066 * not NULL it specifies the current position. */ |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5067 endposp = &endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5068 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5069 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5070 if (pim == NULL) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5071 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5072 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
|
5073 endpos.se_u.pos.lnum = rex.lnum; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5074 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5075 else |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5076 endpos.se_u.pos = pim->end.pos; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5077 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5078 else |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5079 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5080 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
|
5081 endpos.se_u.ptr = rex.input; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5082 else |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5083 endpos.se_u.ptr = pim->end.ptr; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5084 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5085 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5086 /* 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
|
5087 * 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
|
5088 * 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
|
5089 * bytes if possible. */ |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5090 if (state->val <= 0) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5091 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5092 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5093 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5094 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
|
5095 if (rex.line == NULL) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5096 /* 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
|
5097 rex.line = reg_getline(++rex.lnum); |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5098 } |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5099 rex.input = rex.line; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5100 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5101 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5102 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5103 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
|
5104 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5105 /* 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
|
5106 * previous line. */ |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5107 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
|
5108 if (rex.line == NULL) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5109 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5110 /* 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
|
5111 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
|
5112 rex.input = rex.line; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5113 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5114 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5115 rex.input = rex.line + STRLEN(rex.line); |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5116 } |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5117 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
|
5118 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5119 rex.input -= state->val; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5120 #ifdef FEAT_MBYTE |
|
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 #endif |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5124 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5125 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5126 rex.input = rex.line; |
|
4716
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 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5130 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5131 if (log_fd != stderr) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5132 fclose(log_fd); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5133 log_fd = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5134 #endif |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5135 /* 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
|
5136 * 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
|
5137 if (nfa_ll_index == 1) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5138 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5139 /* 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
|
5140 * 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
|
5141 if (*listids == NULL || *listids_len < prog->nstate) |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5142 { |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5143 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
|
5144 *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
|
5145 if (*listids == NULL) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5146 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5147 EMSG(_("E878: (NFA) Could not allocate memory for branch traversal!")); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5148 return 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5149 } |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5150 *listids_len = prog->nstate; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5151 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5152 nfa_save_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5153 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
|
5154 /* 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
|
5155 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5156 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5157 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5158 /* 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
|
5159 * 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
|
5160 * 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
|
5161 ++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
|
5162 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
|
5163 rex.nfa_listid = rex.nfa_alt_listid; |
|
4718
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 |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5166 /* 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
|
5167 * 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
|
5168 nfa_endp = endposp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5169 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
|
5170 |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5171 if (need_restore) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5172 nfa_restore_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5173 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5174 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5175 --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
|
5176 rex.nfa_alt_listid = rex.nfa_listid; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5177 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5178 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5179 /* 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
|
5180 rex.lnum = save_reglnum; |
|
4877
9e36c6b1ebf4
updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents:
4845
diff
changeset
|
5181 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
|
5182 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
|
5183 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
|
5184 if (result != NFA_TOO_EXPENSIVE) |
|
3666915cac0b
commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
5185 { |
|
3666915cac0b
commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
5186 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
|
5187 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
|
5188 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5189 nfa_endp = save_nfa_endp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5190 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5191 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5192 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5193 if (log_fd != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5194 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5195 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5196 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
|
5197 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
|
5198 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5199 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5200 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5201 { |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
5202 EMSG(_(e_log_open_failed)); |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5203 log_fd = stderr; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5204 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5205 #endif |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5206 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5207 return result; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5208 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5209 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5210 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5211 * 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
|
5212 * empty match: 0 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5213 * NFA_ANY: 1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5214 * specific character: 99 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5215 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5216 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5217 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
|
5218 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5219 int c = state->c; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5220 int l, r; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5221 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5222 /* detect looping */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5223 if (depth > 4) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5224 return 1; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5225 |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5226 switch (c) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5227 { |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5228 case NFA_SPLIT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5229 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
|
5230 /* avoid recursive stuff */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5231 return 1; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5232 /* two alternatives, use the lowest failure chance */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5233 l = failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5234 r = failure_chance(state->out1, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5235 return l < r ? l : r; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5236 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5237 case NFA_ANY: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5238 /* matches anything, unlikely to fail */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5239 return 1; |
|
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5240 |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5241 case NFA_MATCH: |
|
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5242 case NFA_MCLOSE: |
| 5901 | 5243 case NFA_ANY_COMPOSING: |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5244 /* empty match works always */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5245 return 0; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5246 |
|
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5247 case NFA_START_INVISIBLE: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5248 case NFA_START_INVISIBLE_FIRST: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5249 case NFA_START_INVISIBLE_NEG: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5250 case NFA_START_INVISIBLE_NEG_FIRST: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5251 case NFA_START_INVISIBLE_BEFORE: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5252 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5253 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5254 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5255 case NFA_START_PATTERN: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5256 /* recursive regmatch is expensive, use low failure chance */ |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5257 return 5; |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5258 |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5259 case NFA_BOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5260 case NFA_EOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5261 case NFA_BOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5262 case NFA_EOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5263 case NFA_NEWL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5264 return 99; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5265 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5266 case NFA_BOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5267 case NFA_EOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5268 return 90; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5269 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5270 case NFA_MOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5271 case NFA_MOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5272 case NFA_MOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5273 case NFA_MOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5274 case NFA_MOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5275 case NFA_MOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5276 case NFA_MOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5277 case NFA_MOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5278 case NFA_MOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5279 case NFA_MOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5280 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5281 case NFA_ZOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5282 case NFA_ZOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5283 case NFA_ZOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5284 case NFA_ZOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5285 case NFA_ZOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5286 case NFA_ZOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5287 case NFA_ZOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5288 case NFA_ZOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5289 case NFA_ZOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5290 case NFA_ZOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5291 case NFA_ZCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5292 case NFA_ZCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5293 case NFA_ZCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5294 case NFA_ZCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5295 case NFA_ZCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5296 case NFA_ZCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5297 case NFA_ZCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5298 case NFA_ZCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5299 case NFA_ZCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5300 case NFA_ZCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5301 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5302 case NFA_NOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5303 case NFA_MCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5304 case NFA_MCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5305 case NFA_MCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5306 case NFA_MCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5307 case NFA_MCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5308 case NFA_MCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5309 case NFA_MCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5310 case NFA_MCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5311 case NFA_MCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5312 case NFA_NCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5313 return failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5314 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5315 case NFA_BACKREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5316 case NFA_BACKREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5317 case NFA_BACKREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5318 case NFA_BACKREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5319 case NFA_BACKREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5320 case NFA_BACKREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5321 case NFA_BACKREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5322 case NFA_BACKREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5323 case NFA_BACKREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5324 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5325 case NFA_ZREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5326 case NFA_ZREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5327 case NFA_ZREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5328 case NFA_ZREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5329 case NFA_ZREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5330 case NFA_ZREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5331 case NFA_ZREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5332 case NFA_ZREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5333 case NFA_ZREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5334 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5335 /* backreferences don't match in many places */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5336 return 94; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5337 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5338 case NFA_LNUM_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5339 case NFA_LNUM_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5340 case NFA_COL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5341 case NFA_COL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5342 case NFA_VCOL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5343 case NFA_VCOL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5344 case NFA_MARK_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5345 case NFA_MARK_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5346 case NFA_VISUAL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5347 /* before/after positions don't match very often */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5348 return 85; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5349 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5350 case NFA_LNUM: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5351 return 90; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5352 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5353 case NFA_CURSOR: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5354 case NFA_COL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5355 case NFA_VCOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5356 case NFA_MARK: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5357 /* specific positions rarely match */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5358 return 98; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5359 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5360 case NFA_COMPOSING: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5361 return 95; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5362 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5363 default: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5364 if (c > 0) |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5365 /* character match fails often */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5366 return 95; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5367 } |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5368 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5369 /* something else, includes character classes */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5370 return 50; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5371 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5372 |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5373 /* |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5374 * 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
|
5375 */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5376 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5377 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
|
5378 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5379 char_u *s; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5380 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5381 /* Used often, do some work to avoid call overhead. */ |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
5382 if (!rex.reg_ic |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5383 #ifdef FEAT_MBYTE |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5384 && !has_mbyte |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5385 #endif |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5386 ) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5387 s = vim_strbyte(rex.line + *colp, c); |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5388 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5389 s = cstrchr(rex.line + *colp, c); |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5390 if (s == NULL) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5391 return FAIL; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5392 *colp = (int)(s - rex.line); |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5393 return OK; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5394 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5395 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5396 /* |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5397 * Check for a match with match_text. |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
5398 * 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
|
5399 * 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
|
5400 */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5401 static long |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5402 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
|
5403 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5404 colnr_T col = startcol; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5405 int c1, c2; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5406 int len1, len2; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5407 int match; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5408 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5409 for (;;) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5410 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5411 match = TRUE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5412 len2 = MB_CHAR2LEN(regstart); /* skip regstart */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5413 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
|
5414 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5415 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
|
5416 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
|
5417 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
|
5418 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5419 match = FALSE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5420 break; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5421 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5422 len2 += MB_CHAR2LEN(c2); |
|
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 if (match |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5425 #ifdef FEAT_MBYTE |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5426 /* check that no composing char follows */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5427 && !(enc_utf8 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5428 && utf_iscomposing(PTR2CHAR(rex.line + col + len2))) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5429 #endif |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5430 ) |
|
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 cleanup_subexpr(); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5433 if (REG_MULTI) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5434 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5435 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
|
5436 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
|
5437 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
|
5438 rex.reg_endpos[0].col = col + len2; |
|
4805
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 else |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5441 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5442 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
|
5443 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
|
5444 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5445 return 1L; |
|
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 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5448 /* Try finding regstart after the current match. */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5449 col += MB_CHAR2LEN(regstart); /* skip regstart */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5450 if (skip_to_start(regstart, &col) == FAIL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5451 break; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5452 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5453 return 0L; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5454 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5455 |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5456 #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
|
5457 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
|
5458 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
|
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 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
|
5461 { |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5462 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
|
5463 *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
|
5464 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
|
5465 } |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5466 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
|
5467 } |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5468 #endif |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5469 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5470 /* |
| 4444 | 5471 * Main matching routine. |
| 5472 * | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5473 * Run NFA to determine whether it matches rex.input. |
| 4444 | 5474 * |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5475 * 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
|
5476 * |
| 4444 | 5477 * Return TRUE if there is a match, FALSE otherwise. |
| 5372 | 5478 * When there is a match "submatch" contains the positions. |
| 4444 | 5479 * Note: Caller must ensure that: start != NULL. |
| 5480 */ | |
| 5481 static int | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5482 nfa_regmatch( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5483 nfa_regprog_T *prog, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5484 nfa_state_T *start, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5485 regsubs_T *submatch, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5486 regsubs_T *m) |
| 4444 | 5487 { |
| 5488 int result; | |
| 6545 | 5489 size_t size = 0; |
| 4444 | 5490 int flag = 0; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5491 int go_to_nextline = FALSE; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5492 nfa_thread_T *t; |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5493 nfa_list_T list[2]; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5494 int listidx; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5495 nfa_list_T *thislist; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5496 nfa_list_T *nextlist; |
| 4444 | 5497 int *listids = NULL; |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5498 int listids_len = 0; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5499 nfa_state_T *add_state; |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5500 int add_here; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5501 int add_count; |
|
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
5502 int add_off = 0; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5503 int toplevel = start->c == NFA_MOPEN; |
| 4460 | 5504 #ifdef NFA_REGEXP_DEBUG_LOG |
|
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5505 FILE *debug; |
| 4444 | 5506 #endif |
|
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5507 |
| 5310 | 5508 /* Some patterns may take a long time to match, especially when using |
| 5509 * recursive_regmatch(). Allow interrupting them with CTRL-C. */ | |
| 5510 fast_breakcheck(); | |
| 5511 if (got_int) | |
| 5512 return FALSE; | |
| 6573 | 5513 #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
|
5514 if (nfa_did_time_out()) |
| 6573 | 5515 return FALSE; |
| 5516 #endif | |
| 5310 | 5517 |
|
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5518 #ifdef NFA_REGEXP_DEBUG_LOG |
|
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5519 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
|
5520 if (debug == NULL) |
|
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5521 { |
|
14159
c9342023ea6f
patch 8.1.0097: superfluous space before exclamation mark
Christian Brabandt <cb@256bit.org>
parents:
14145
diff
changeset
|
5522 EMSG2("(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
|
5523 return FALSE; |
|
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5524 } |
|
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5525 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5526 nfa_match = FALSE; |
| 4444 | 5527 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
5528 /* 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
|
5529 size = (prog->nstate + 1) * sizeof(nfa_thread_T); |
| 6547 | 5530 |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5531 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
|
5532 list[0].len = prog->nstate + 1; |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5533 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
|
5534 list[1].len = prog->nstate + 1; |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5535 if (list[0].t == NULL || list[1].t == NULL) |
| 4444 | 5536 goto theend; |
| 5537 | |
| 5538 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5539 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 5540 if (log_fd != NULL) |
| 5541 { | |
| 5542 fprintf(log_fd, "**********************************\n"); | |
| 5543 nfa_set_code(start->c); | |
| 5544 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n", | |
| 5545 abs(start->id), code); | |
| 5546 fprintf(log_fd, "**********************************\n"); | |
| 5547 } | |
| 5548 else | |
| 5549 { | |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
5550 EMSG(_(e_log_open_failed)); |
| 4444 | 5551 log_fd = stderr; |
| 5552 } | |
| 5553 #endif | |
| 5554 | |
| 5555 thislist = &list[0]; | |
| 5556 thislist->n = 0; | |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5557 thislist->has_pim = FALSE; |
| 4444 | 5558 nextlist = &list[1]; |
| 5559 nextlist->n = 0; | |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5560 nextlist->has_pim = FALSE; |
| 4444 | 5561 #ifdef ENABLE_LOG |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5562 fprintf(log_fd, "(---) STARTSTATE first\n"); |
| 4444 | 5563 #endif |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5564 thislist->id = rex.nfa_listid + 1; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5565 |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5566 /* 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
|
5567 * it's the first MOPEN. */ |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5568 if (toplevel) |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5569 { |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5570 if (REG_MULTI) |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5571 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5572 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
|
5573 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
|
5574 } |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5575 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5576 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
|
5577 m->norm.in_use = 1; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5578 addstate(thislist, start->out, m, NULL, 0); |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5579 } |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5580 else |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5581 addstate(thislist, start, m, NULL, 0); |
| 4444 | 5582 |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5583 #define ADD_STATE_IF_MATCH(state) \ |
|
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5584 if (result) { \ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5585 add_state = state->out; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5586 add_off = clen; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5587 } |
| 4444 | 5588 |
| 5589 /* | |
| 5590 * Run for each character. | |
| 5591 */ | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5592 for (;;) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5593 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5594 int curc; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5595 int clen; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5596 |
| 4444 | 5597 #ifdef FEAT_MBYTE |
| 5598 if (has_mbyte) | |
| 5599 { | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5600 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
|
5601 clen = (*mb_ptr2len)(rex.input); |
| 4444 | 5602 } |
| 5603 else | |
| 5604 #endif | |
| 5605 { | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5606 curc = *rex.input; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5607 clen = 1; |
| 4444 | 5608 } |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5609 if (curc == NUL) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5610 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5611 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5612 go_to_nextline = FALSE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5613 } |
| 4444 | 5614 |
| 5615 /* swap lists */ | |
| 5616 thislist = &list[flag]; | |
| 5617 nextlist = &list[flag ^= 1]; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5618 nextlist->n = 0; /* clear nextlist */ |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5619 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
|
5620 ++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
|
5621 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
|
5622 && (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
|
5623 # ifdef FEAT_EVAL |
|
4b59671bce9c
patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents:
14163
diff
changeset
|
5624 || 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
|
5625 # endif |
|
4b59671bce9c
patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents:
14163
diff
changeset
|
5626 )) |
| 6328 | 5627 { |
| 5628 /* too many states, retry with old engine */ | |
| 5629 nfa_match = NFA_TOO_EXPENSIVE; | |
| 5630 goto theend; | |
| 5631 } | |
| 5632 | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5633 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
|
5634 nextlist->id = rex.nfa_listid + 1; |
| 4444 | 5635 |
| 5636 #ifdef ENABLE_LOG | |
| 5637 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
|
5638 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
|
5639 fprintf(log_fd, ">>> Advanced one character... Current char is %c (code %d) \n", curc, (int)curc); |
| 4444 | 5640 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
|
5641 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5642 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5643 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5644 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5645 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
|
5646 } |
| 4444 | 5647 fprintf(log_fd, "\n"); |
| 5648 #endif | |
| 5649 | |
| 4460 | 5650 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 5651 fprintf(debug, "\n-------------------\n"); |
| 5652 #endif | |
| 4480 | 5653 /* |
| 5654 * If the state lists are empty we can stop. | |
| 5655 */ | |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5656 if (thislist->n == 0) |
| 4480 | 5657 break; |
| 4444 | 5658 |
| 5659 /* compute nextlist */ | |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5660 for (listidx = 0; listidx < thislist->n; ++listidx) |
| 4444 | 5661 { |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5662 /* 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
|
5663 * 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
|
5664 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
|
5665 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
|
5666 break; |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5667 #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
|
5668 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
|
5669 { |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5670 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
|
5671 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
|
5672 break; |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5673 } |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5674 #endif |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5675 t = &thislist->t[listidx]; |
| 4444 | 5676 |
| 4460 | 5677 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 5678 nfa_set_code(t->state->c); |
| 5679 fprintf(debug, "%s, ", code); | |
| 5680 #endif | |
| 5681 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5682 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5683 int col; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5684 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5685 if (t->subs.norm.in_use <= 0) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5686 col = -1; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5687 else if (REG_MULTI) |
| 6547 | 5688 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
|
5689 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5690 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
|
5691 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
|
5692 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
|
5693 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
|
5694 pim_info(&t->pim)); |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5695 } |
| 4444 | 5696 #endif |
| 5697 | |
| 5698 /* | |
| 5699 * Handle the possible codes of the current state. | |
| 5700 * The most important is NFA_MATCH. | |
| 5701 */ | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5702 add_state = NULL; |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5703 add_here = FALSE; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5704 add_count = 0; |
| 4444 | 5705 switch (t->state->c) |
| 5706 { | |
| 5707 case NFA_MATCH: | |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5708 { |
| 5901 | 5709 #ifdef FEAT_MBYTE |
| 5710 /* 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
|
5711 * 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
|
5712 if (enc_utf8 && !rex.reg_icombine && utf_iscomposing(curc)) |
| 5901 | 5713 break; |
| 5714 #endif | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5715 nfa_match = TRUE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5716 copy_sub(&submatch->norm, &t->subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5717 #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
|
5718 if (rex.nfa_has_zsubexpr) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5719 copy_sub(&submatch->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5720 #endif |
| 4444 | 5721 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5722 log_subsexpr(&t->subs); |
| 4444 | 5723 #endif |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5724 /* 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
|
5725 * 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
|
5726 * 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
|
5727 * correct. */ |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5728 if (nextlist->n == 0) |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5729 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5730 goto nextchar; |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5731 } |
| 4444 | 5732 |
| 5733 case NFA_END_INVISIBLE: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5734 case NFA_END_INVISIBLE_NEG: |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5735 case NFA_END_PATTERN: |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5736 /* |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5737 * 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
|
5738 * NFA_START_INVISIBLE_BEFORE node. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5739 * They surround a zero-width group, used with "\@=", "\&", |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5740 * "\@!", "\@<=" and "\@<!". |
| 4444 | 5741 * If we got here, it means that the current "invisible" group |
| 5742 * 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
|
5743 * 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
|
5744 * in the position in "nfa_endp". |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5745 * 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
|
5746 */ |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5747 #ifdef ENABLE_LOG |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5748 if (nfa_endp != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5749 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5750 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5751 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
|
5752 (int)rex.lnum, |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5753 (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
|
5754 (int)(rex.input - rex.line), |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5755 nfa_endp->se_u.pos.col); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5756 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5757 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
|
5758 (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
|
5759 (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
|
5760 } |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5761 #endif |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5762 /* 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
|
5763 * "nfa_endp" */ |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5764 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
|
5765 ? (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
|
5766 || (int)(rex.input - rex.line) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5767 != 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
|
5768 : rex.input != nfa_endp->se_u.ptr)) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5769 break; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5770 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5771 /* do not set submatches for \@! */ |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5772 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
|
5773 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5774 copy_sub(&m->norm, &t->subs.norm); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5775 #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
|
5776 if (rex.nfa_has_zsubexpr) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5777 copy_sub(&m->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5778 #endif |
| 4444 | 5779 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5780 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5781 fprintf(log_fd, "Match found:\n"); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5782 log_subsexpr(m); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5783 #endif |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5784 nfa_match = TRUE; |
| 5334 | 5785 /* See comment above at "goto nextchar". */ |
| 5786 if (nextlist->n == 0) | |
| 5787 clen = 0; | |
| 5788 goto nextchar; | |
| 4444 | 5789 |
| 5790 case NFA_START_INVISIBLE: | |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5791 case NFA_START_INVISIBLE_FIRST: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5792 case NFA_START_INVISIBLE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5793 case NFA_START_INVISIBLE_NEG_FIRST: |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5794 case NFA_START_INVISIBLE_BEFORE: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5795 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5796 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5797 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
| 4444 | 5798 { |
|
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5799 #ifdef ENABLE_LOG |
|
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5800 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
|
5801 failure_chance(t->state->out, 0), |
|
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5802 failure_chance(t->state->out1->out, 0)); |
|
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5803 #endif |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5804 /* 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
|
5805 * nfa_postprocess() detected it will work better. */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5806 if (t->pim.result != NFA_PIM_UNUSED |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5807 || t->state->c == NFA_START_INVISIBLE_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5808 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5809 || t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5810 || 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
|
5811 { |
|
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5812 int in_use = m->norm.in_use; |
|
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5813 |
| 5370 | 5814 /* Copy submatch info for the recursive call, opposite |
| 5815 * of what happens on success below. */ | |
|
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5816 copy_sub_off(&m->norm, &t->subs.norm); |
| 5370 | 5817 #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
|
5818 if (rex.nfa_has_zsubexpr) |
| 5370 | 5819 copy_sub_off(&m->synt, &t->subs.synt); |
| 5820 #endif | |
|
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5821 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5822 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5823 * First try matching the invisible match, then what |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5824 * follows. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5825 */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5826 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
|
5827 submatch, m, &listids, &listids_len); |
| 6328 | 5828 if (result == NFA_TOO_EXPENSIVE) |
| 5829 { | |
| 5830 nfa_match = result; | |
| 5831 goto theend; | |
| 5832 } | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5833 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5834 /* 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
|
5835 * FALSE */ |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5836 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
|
5837 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5838 || t->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5839 == NFA_START_INVISIBLE_BEFORE_NEG |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5840 || t->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5841 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5842 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5843 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5844 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
|
5845 #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
|
5846 if (rex.nfa_has_zsubexpr) |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5847 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
|
5848 #endif |
| 5372 | 5849 /* If the pattern has \ze and it matched in the |
| 5850 * sub pattern, use it. */ | |
| 5851 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
|
5852 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5853 /* t->state->out1 is the corresponding |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5854 * 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
|
5855 * list (zero-width match). */ |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5856 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5857 add_state = t->state->out1->out; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5858 } |
|
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5859 m->norm.in_use = in_use; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5860 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5861 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5862 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5863 nfa_pim_T pim; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5864 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5865 /* |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5866 * 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
|
5867 * 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
|
5868 * 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
|
5869 * about the invisible match. |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5870 */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5871 pim.state = t->state; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5872 pim.result = NFA_PIM_TODO; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5873 pim.subs.norm.in_use = 0; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5874 #ifdef FEAT_SYN_HL |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5875 pim.subs.synt.in_use = 0; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5876 #endif |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5877 if (REG_MULTI) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5878 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5879 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
|
5880 pim.end.pos.lnum = rex.lnum; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5881 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5882 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5883 pim.end.ptr = rex.input; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5884 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5885 /* t->state->out1 is the corresponding END_INVISIBLE |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5886 * 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
|
5887 * match). */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5888 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
|
5889 &pim, &listidx); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5890 } |
| 4444 | 5891 } |
| 5892 break; | |
| 5893 | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5894 case NFA_START_PATTERN: |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5895 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5896 nfa_state_T *skip = NULL; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5897 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5898 int skip_lid = 0; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5899 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5900 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5901 /* 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
|
5902 * 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
|
5903 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
|
5904 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5905 skip = t->state->out1->out; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5906 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5907 skip_lid = nextlist->id; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5908 #endif |
|
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 else if (state_in_list(nextlist, |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5911 t->state->out1->out->out, &t->subs)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5912 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5913 skip = t->state->out1->out->out; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5914 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5915 skip_lid = nextlist->id; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5916 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5917 } |
|
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5918 else if (state_in_list(thislist, |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5919 t->state->out1->out->out, &t->subs)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5920 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5921 skip = t->state->out1->out->out; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5922 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5923 skip_lid = thislist->id; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5924 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5925 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5926 if (skip != NULL) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5927 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5928 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5929 nfa_set_code(skip->c); |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5930 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
|
5931 abs(skip->id), skip_lid, skip->c, code); |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5932 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5933 break; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5934 } |
| 5370 | 5935 /* Copy submatch info to the recursive call, opposite of what |
| 5936 * happens afterwards. */ | |
| 5937 copy_sub_off(&m->norm, &t->subs.norm); | |
| 5938 #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
|
5939 if (rex.nfa_has_zsubexpr) |
| 5370 | 5940 copy_sub_off(&m->synt, &t->subs.synt); |
| 5941 #endif | |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5942 |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5943 /* First try matching the pattern. */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5944 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
|
5945 submatch, m, &listids, &listids_len); |
| 6328 | 5946 if (result == NFA_TOO_EXPENSIVE) |
| 5947 { | |
| 5948 nfa_match = result; | |
| 5949 goto theend; | |
| 5950 } | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5951 if (result) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5952 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5953 int bytelen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5954 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5955 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5956 fprintf(log_fd, "NFA_START_PATTERN matches:\n"); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5957 log_subsexpr(m); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5958 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5959 /* Copy submatch info from the recursive call */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5960 copy_sub_off(&t->subs.norm, &m->norm); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5961 #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
|
5962 if (rex.nfa_has_zsubexpr) |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5963 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
|
5964 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5965 /* 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
|
5966 * continue with what follows. */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5967 if (REG_MULTI) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5968 /* TODO: multi-line match */ |
| 6547 | 5969 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
|
5970 - (int)(rex.input - rex.line); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5971 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5972 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
|
5973 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5974 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5975 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
|
5976 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5977 if (bytelen == 0) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5978 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5979 /* empty match, output of corresponding |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5980 * 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
|
5981 * position */ |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5982 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5983 add_state = t->state->out1->out->out; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5984 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5985 else if (bytelen <= clen) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5986 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5987 /* match current character, output of corresponding |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5988 * 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
|
5989 add_state = t->state->out1->out->out; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5990 add_off = clen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5991 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5992 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5993 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5994 /* skip over the matched characters, set character |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5995 * count in NFA_SKIP */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5996 add_state = t->state->out1->out; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5997 add_off = bytelen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5998 add_count = bytelen - clen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5999 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6000 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6001 break; |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
6002 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6003 |
| 4444 | 6004 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
|
6005 if (rex.input == rex.line) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6006 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6007 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6008 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6009 } |
| 4444 | 6010 break; |
| 6011 | |
| 6012 case NFA_EOL: | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6013 if (curc == NUL) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6014 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6015 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6016 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6017 } |
| 4444 | 6018 break; |
| 6019 | |
| 6020 case NFA_BOW: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6021 result = TRUE; |
| 4444 | 6022 |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6023 if (curc == NUL) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6024 result = FALSE; |
| 4444 | 6025 #ifdef FEAT_MBYTE |
| 6026 else if (has_mbyte) | |
| 6027 { | |
| 6028 int this_class; | |
| 6029 | |
| 6030 /* 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
|
6031 this_class = mb_get_class_buf(rex.input, rex.reg_buf); |
| 4444 | 6032 if (this_class <= 1) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6033 result = FALSE; |
| 4444 | 6034 else if (reg_prev_class() == this_class) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6035 result = FALSE; |
| 4444 | 6036 } |
| 6037 #endif | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6038 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
|
6039 || (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
|
6040 && 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
|
6041 result = FALSE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6042 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6043 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6044 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6045 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6046 } |
| 4444 | 6047 break; |
| 6048 | |
| 6049 case NFA_EOW: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6050 result = TRUE; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6051 if (rex.input == rex.line) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6052 result = FALSE; |
| 4444 | 6053 #ifdef FEAT_MBYTE |
| 6054 else if (has_mbyte) | |
| 6055 { | |
| 6056 int this_class, prev_class; | |
| 6057 | |
| 6058 /* 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
|
6059 this_class = mb_get_class_buf(rex.input, rex.reg_buf); |
| 4444 | 6060 prev_class = reg_prev_class(); |
| 6061 if (this_class == prev_class | |
| 6062 || prev_class == 0 || prev_class == 1) | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6063 result = FALSE; |
| 4444 | 6064 } |
| 6065 #endif | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6066 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
|
6067 || (rex.input[0] != NUL |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6068 && vim_iswordc_buf(curc, rex.reg_buf))) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6069 result = FALSE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6070 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6071 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6072 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6073 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6074 } |
| 4444 | 6075 break; |
| 6076 | |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6077 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
|
6078 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
|
6079 && (!REG_MULTI || rex.reg_firstlnum == 1)) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6080 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6081 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6082 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6083 } |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6084 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6085 |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6086 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
|
6087 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
|
6088 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6089 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6090 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6091 } |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6092 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6093 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6094 #ifdef FEAT_MBYTE |
| 4444 | 6095 case NFA_COMPOSING: |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6096 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6097 int mc = curc; |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6098 int len = 0; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6099 nfa_state_T *end; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6100 nfa_state_T *sta; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6101 int cchars[MAX_MCO]; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6102 int ccount = 0; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6103 int j; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6104 |
| 4444 | 6105 sta = t->state->out; |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6106 len = 0; |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6107 if (utf_iscomposing(sta->c)) |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6108 { |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6109 /* Only match composing character(s), ignore base |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6110 * character. Used for ".{composing}" and "{composing}" |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6111 * (no preceding character). */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6112 len += mb_char2len(mc); |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6113 } |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6114 if (rex.reg_icombine && len == 0) |
| 4444 | 6115 { |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6116 /* If \Z was present, then ignore composing characters. |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6117 * 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
|
6118 if (sta->c != curc) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6119 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6120 else |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6121 result = OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6122 while (sta->c != NFA_END_COMPOSING) |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6123 sta = sta->out; |
| 4444 | 6124 } |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6125 |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6126 /* Check base character matches first, unless ignored. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6127 else if (len > 0 || mc == sta->c) |
|
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 if (len == 0) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6130 { |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6131 len += mb_char2len(mc); |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6132 sta = sta->out; |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6133 } |
| 4444 | 6134 |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6135 /* 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
|
6136 * Get them into cchars[] first. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6137 while (len < clen) |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6138 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6139 mc = mb_ptr2char(rex.input + len); |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6140 cchars[ccount++] = mc; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6141 len += mb_char2len(mc); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6142 if (ccount == MAX_MCO) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6143 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6144 } |
|
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 /* 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
|
6147 * 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
|
6148 * composing chars are matched. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6149 result = OK; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6150 while (sta->c != NFA_END_COMPOSING) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6151 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6152 for (j = 0; j < ccount; ++j) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6153 if (cchars[j] == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6154 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6155 if (j == ccount) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6156 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6157 result = FAIL; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6158 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6159 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6160 sta = sta->out; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6161 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6162 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6163 else |
|
4525
36ddcf4cecbc
updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents:
4517
diff
changeset
|
6164 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6165 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6166 end = t->state->out1; /* NFA_END_COMPOSING */ |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6167 ADD_STATE_IF_MATCH(end); |
| 4444 | 6168 break; |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6169 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6170 #endif |
| 4444 | 6171 |
| 6172 case NFA_NEWL: | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6173 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
|
6174 && rex.lnum <= rex.reg_maxline) |
| 4444 | 6175 { |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6176 go_to_nextline = TRUE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6177 /* 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
|
6178 * at the start of the next line. */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6179 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6180 add_off = -1; |
| 4444 | 6181 } |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6182 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
|
6183 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6184 /* 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
|
6185 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6186 add_off = 1; |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6187 } |
| 4444 | 6188 break; |
| 6189 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6190 case NFA_START_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6191 case NFA_START_NEG_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 /* 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
|
6194 * 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
|
6195 nfa_state_T *state; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6196 int result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6197 int c1, c2; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6198 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6199 /* 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
|
6200 * as a separate state with an OR. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6201 if (curc == NUL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6202 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6203 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6204 state = t->state->out; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6205 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
|
6206 for (;;) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6207 { |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6208 if (state->c == NFA_END_COLL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6209 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6210 result = !result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6211 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6212 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6213 if (state->c == NFA_RANGE_MIN) |
|
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 c1 = state->val; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6216 state = state->out; /* advance to NFA_RANGE_MAX */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6217 c2 = state->val; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6218 #ifdef ENABLE_LOG |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6219 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
|
6220 curc, c1, c2); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6221 #endif |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6222 if (curc >= c1 && curc <= c2) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6223 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6224 result = result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6225 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6226 } |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6227 if (rex.reg_ic) |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6228 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6229 int curc_low = MB_TOLOWER(curc); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6230 int done = FALSE; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6231 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6232 for ( ; c1 <= c2; ++c1) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6233 if (MB_TOLOWER(c1) == curc_low) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6234 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6235 result = result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6236 done = TRUE; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6237 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6238 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6239 if (done) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6240 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6241 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6242 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6243 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
|
6244 : (curc == state->c |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6245 || (rex.reg_ic && MB_TOLOWER(curc) |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6246 == MB_TOLOWER(state->c)))) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6247 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6248 result = result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6249 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6250 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6251 state = state->out; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6252 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6253 if (result) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6254 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6255 /* 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
|
6256 * START points to the END state */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6257 add_state = t->state->out1->out; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6258 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6259 } |
| 4444 | 6260 break; |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6261 } |
| 4444 | 6262 |
| 6263 case NFA_ANY: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6264 /* 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
|
6265 if (curc > 0) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6266 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6267 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6268 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6269 } |
| 4444 | 6270 break; |
| 6271 | |
| 5901 | 6272 case NFA_ANY_COMPOSING: |
| 6273 /* On a composing character skip over it. Otherwise do | |
| 6274 * nothing. Always matches. */ | |
| 6275 #ifdef FEAT_MBYTE | |
| 6276 if (enc_utf8 && utf_iscomposing(curc)) | |
| 6277 { | |
| 6278 add_off = clen; | |
| 6279 } | |
| 6280 else | |
| 6281 #endif | |
| 6282 { | |
| 6283 add_here = TRUE; | |
| 6284 add_off = 0; | |
| 6285 } | |
| 6286 add_state = t->state->out; | |
| 6287 break; | |
| 6288 | |
| 4444 | 6289 /* |
| 6290 * Character classes like \a for alpha, \d for digit etc. | |
| 6291 */ | |
| 6292 case NFA_IDENT: /* \i */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6293 result = vim_isIDc(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6294 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6295 break; |
| 6296 | |
| 6297 case NFA_SIDENT: /* \I */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6298 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6299 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6300 break; |
| 6301 | |
| 6302 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
|
6303 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
|
6304 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6305 break; |
| 6306 | |
| 6307 case NFA_SKWORD: /* \K */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6308 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
|
6309 && 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
|
6310 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6311 break; |
| 6312 | |
| 6313 case NFA_FNAME: /* \f */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6314 result = vim_isfilec(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6315 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6316 break; |
| 6317 | |
| 6318 case NFA_SFNAME: /* \F */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6319 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6320 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6321 break; |
| 6322 | |
| 6323 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
|
6324 result = vim_isprintc(PTR2CHAR(rex.input)); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6325 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6326 break; |
| 6327 | |
| 6328 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
|
6329 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
|
6330 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6331 break; |
| 6332 | |
| 6333 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
|
6334 result = VIM_ISWHITE(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6335 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6336 break; |
| 6337 | |
| 6338 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
|
6339 result = curc != NUL && !VIM_ISWHITE(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6340 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6341 break; |
| 6342 | |
| 6343 case NFA_DIGIT: /* \d */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6344 result = ri_digit(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6345 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6346 break; |
| 6347 | |
| 6348 case NFA_NDIGIT: /* \D */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6349 result = curc != NUL && !ri_digit(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6350 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6351 break; |
| 6352 | |
| 6353 case NFA_HEX: /* \x */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6354 result = ri_hex(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6355 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6356 break; |
| 6357 | |
| 6358 case NFA_NHEX: /* \X */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6359 result = curc != NUL && !ri_hex(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6360 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6361 break; |
| 6362 | |
| 6363 case NFA_OCTAL: /* \o */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6364 result = ri_octal(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6365 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6366 break; |
| 6367 | |
| 6368 case NFA_NOCTAL: /* \O */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6369 result = curc != NUL && !ri_octal(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6370 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6371 break; |
| 6372 | |
| 6373 case NFA_WORD: /* \w */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6374 result = ri_word(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6375 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6376 break; |
| 6377 | |
| 6378 case NFA_NWORD: /* \W */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6379 result = curc != NUL && !ri_word(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6380 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6381 break; |
| 6382 | |
| 6383 case NFA_HEAD: /* \h */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6384 result = ri_head(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6385 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6386 break; |
| 6387 | |
| 6388 case NFA_NHEAD: /* \H */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6389 result = curc != NUL && !ri_head(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6390 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6391 break; |
| 6392 | |
| 6393 case NFA_ALPHA: /* \a */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6394 result = ri_alpha(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6395 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6396 break; |
| 6397 | |
| 6398 case NFA_NALPHA: /* \A */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6399 result = curc != NUL && !ri_alpha(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6400 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6401 break; |
| 6402 | |
| 6403 case NFA_LOWER: /* \l */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6404 result = ri_lower(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6405 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6406 break; |
| 6407 | |
| 6408 case NFA_NLOWER: /* \L */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6409 result = curc != NUL && !ri_lower(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6410 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6411 break; |
| 6412 | |
| 6413 case NFA_UPPER: /* \u */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6414 result = ri_upper(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6415 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6416 break; |
| 6417 | |
| 6418 case NFA_NUPPER: /* \U */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6419 result = curc != NUL && !ri_upper(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6420 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6421 break; |
| 6422 | |
| 5296 | 6423 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
|
6424 result = ri_lower(curc) || (rex.reg_ic && ri_upper(curc)); |
| 5296 | 6425 ADD_STATE_IF_MATCH(t->state); |
| 6426 break; | |
| 6427 | |
| 6428 case NFA_NLOWER_IC: /* [^a-z] */ | |
| 6429 result = curc != NUL | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6430 && !(ri_lower(curc) || (rex.reg_ic && ri_upper(curc))); |
| 5296 | 6431 ADD_STATE_IF_MATCH(t->state); |
| 6432 break; | |
| 6433 | |
| 6434 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
|
6435 result = ri_upper(curc) || (rex.reg_ic && ri_lower(curc)); |
| 5296 | 6436 ADD_STATE_IF_MATCH(t->state); |
| 6437 break; | |
| 6438 | |
| 6439 case NFA_NUPPER_IC: /* ^[A-Z] */ | |
| 6440 result = curc != NUL | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6441 && !(ri_upper(curc) || (rex.reg_ic && ri_lower(curc))); |
| 5296 | 6442 ADD_STATE_IF_MATCH(t->state); |
| 6443 break; | |
| 6444 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6445 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6446 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6447 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6448 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6449 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6450 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6451 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6452 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6453 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6454 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6455 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6456 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6457 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6458 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6459 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6460 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6461 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6462 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6463 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6464 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6465 /* \1 .. \9 \z1 .. \z9 */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6466 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6467 int subidx; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6468 int bytelen; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6469 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6470 if (t->state->c <= NFA_BACKREF9) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6471 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6472 subidx = t->state->c - NFA_BACKREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6473 result = match_backref(&t->subs.norm, subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6474 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6475 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6476 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6477 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6478 subidx = t->state->c - NFA_ZREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6479 result = match_zref(subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6480 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6481 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6482 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6483 if (result) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6484 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6485 if (bytelen == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6486 { |
|
4692
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
6487 /* 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
|
6488 * used next */ |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6489 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6490 add_state = t->state->out->out; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6491 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6492 else if (bytelen <= clen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6493 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6494 /* match current character, jump ahead to out of |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6495 * NFA_SKIP */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6496 add_state = t->state->out->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 { |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
6501 /* skip over the matched characters, set character |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6502 * count in NFA_SKIP */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6503 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6504 add_off = bytelen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6505 add_count = bytelen - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6506 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6507 } |
| 4482 | 6508 break; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6509 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6510 case NFA_SKIP: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
6511 /* character of previous matching \1 .. \9 or \@> */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6512 if (t->count - clen <= 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6513 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6514 /* end of match, go to what follows */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6515 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6516 add_off = clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6517 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6518 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6519 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6520 /* add state again with decremented count */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6521 add_state = t->state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6522 add_off = 0; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6523 add_count = t->count - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6524 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6525 break; |
| 4482 | 6526 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6527 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6528 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6529 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6530 result = (REG_MULTI && |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6531 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
|
6532 (long_u)(rex.lnum + rex.reg_firstlnum))); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6533 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6534 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6535 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6536 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6537 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6538 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6539 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6540 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6541 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6542 case NFA_COL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6543 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
|
6544 (long_u)(rex.input - rex.line) + 1); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6545 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6546 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6547 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6548 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6549 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6550 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6551 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6552 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6553 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6554 case NFA_VCOL_LT: |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6555 { |
| 6499 | 6556 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
|
6557 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
|
6558 win_T *wp = rex.reg_win == NULL ? curwin : rex.reg_win; |
| 6499 | 6559 |
| 6560 /* Bail out quickly when there can't be a match, avoid the | |
| 6561 * overhead of win_linetabsize() on long lines. */ | |
| 6653 | 6562 if (op != 1 && col > t->state->val |
| 6563 #ifdef FEAT_MBYTE | |
| 6564 * (has_mbyte ? MB_MAXBYTES : 1) | |
| 6565 #endif | |
| 6566 ) | |
| 6499 | 6567 break; |
| 6510 | 6568 result = FALSE; |
| 6569 if (op == 1 && col - 1 > t->state->val && col > 100) | |
| 6570 { | |
| 6571 int ts = wp->w_buffer->b_p_ts; | |
| 6572 | |
| 6573 /* Guess that a character won't use more columns than | |
| 6574 * 'tabstop', with a minimum of 4. */ | |
| 6575 if (ts < 4) | |
| 6576 ts = 4; | |
| 6577 result = col > t->state->val * ts; | |
| 6578 } | |
| 6579 if (!result) | |
| 6580 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
|
6581 (long_u)win_linetabsize(wp, rex.line, col) + 1); |
| 6499 | 6582 if (result) |
| 6583 { | |
| 6584 add_here = TRUE; | |
| 6585 add_state = t->state->out; | |
| 6586 } | |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6587 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6588 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6589 |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6590 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6591 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6592 case NFA_MARK_LT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6593 { |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6594 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
|
6595 |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6596 /* Compare the mark position to the match position. */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6597 result = (pos != NULL /* mark doesn't exist */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6598 && 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
|
6599 && (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
|
6600 ? (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
|
6601 ? 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
|
6602 : (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
|
6603 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6604 : 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
|
6605 : (pos->lnum < rex.lnum + rex.reg_firstlnum |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6606 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6607 : t->state->c == NFA_MARK_LT))); |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6608 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6609 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6610 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6611 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6612 } |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6613 break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6614 } |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6615 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6616 case NFA_CURSOR: |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6617 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
|
6618 && (rex.lnum + rex.reg_firstlnum |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6619 == 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
|
6620 && ((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
|
6621 == rex.reg_win->w_cursor.col)); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6622 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6623 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6624 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6625 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6626 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6627 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6628 |
|
4756
96f3348f9f11
updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents:
4750
diff
changeset
|
6629 case NFA_VISUAL: |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6630 result = reg_match_visual(); |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6631 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6632 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6633 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6634 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6635 } |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6636 break; |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6637 |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6638 case NFA_MOPEN1: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6639 case NFA_MOPEN2: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6640 case NFA_MOPEN3: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6641 case NFA_MOPEN4: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6642 case NFA_MOPEN5: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6643 case NFA_MOPEN6: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6644 case NFA_MOPEN7: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6645 case NFA_MOPEN8: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6646 case NFA_MOPEN9: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6647 #ifdef FEAT_SYN_HL |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6648 case NFA_ZOPEN: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6649 case NFA_ZOPEN1: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6650 case NFA_ZOPEN2: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6651 case NFA_ZOPEN3: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6652 case NFA_ZOPEN4: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6653 case NFA_ZOPEN5: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6654 case NFA_ZOPEN6: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6655 case NFA_ZOPEN7: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6656 case NFA_ZOPEN8: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6657 case NFA_ZOPEN9: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6658 #endif |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6659 case NFA_NOPEN: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6660 case NFA_ZSTART: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6661 /* 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
|
6662 * 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
|
6663 break; |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6664 |
| 4444 | 6665 default: /* regular character */ |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6666 { |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6667 int c = t->state->c; |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6668 |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6669 #ifdef DEBUG |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6670 if (c < 0) |
|
10540
ea7fbae33285
patch 8.0.0160: EMSG() is sometimes used where it should be IEMSG()
Christian Brabandt <cb@256bit.org>
parents:
10245
diff
changeset
|
6671 IEMSGN("INTERNAL: Negative state char: %ld", c); |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6672 #endif |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6673 result = (c == curc); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6674 |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6675 if (!result && rex.reg_ic) |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6676 result = MB_TOLOWER(c) == MB_TOLOWER(curc); |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6677 #ifdef FEAT_MBYTE |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6678 /* If rex.reg_icombine is not set only skip over the character |
| 5901 | 6679 * 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
|
6680 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
|
6681 clen = utf_ptr2len(rex.input); |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6682 #endif |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6683 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6684 break; |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6685 } |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6686 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6687 } /* switch (t->state->c) */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6688 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6689 if (add_state != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6690 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6691 nfa_pim_T *pim; |
| 5401 | 6692 nfa_pim_T pim_copy; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6693 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6694 if (t->pim.result == NFA_PIM_UNUSED) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6695 pim = NULL; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6696 else |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6697 pim = &t->pim; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6698 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6699 /* 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
|
6700 * 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
|
6701 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
|
6702 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6703 if (pim->result == NFA_PIM_TODO) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6704 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6705 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6706 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6707 fprintf(log_fd, "==================================\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6708 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6709 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6710 #endif |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6711 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
|
6712 prog, submatch, m, &listids, &listids_len); |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6713 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
|
6714 /* 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
|
6715 * FALSE */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6716 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
|
6717 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6718 || pim->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6719 == NFA_START_INVISIBLE_BEFORE_NEG |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6720 || pim->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6721 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6722 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6723 /* Copy submatch info from the recursive call */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6724 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
|
6725 #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
|
6726 if (rex.nfa_has_zsubexpr) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6727 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
|
6728 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6729 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6730 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6731 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6732 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6733 result = (pim->result == NFA_PIM_MATCH); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6734 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6735 fprintf(log_fd, "\n"); |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6736 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
|
6737 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
|
6738 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6739 #endif |
|
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 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6742 /* 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
|
6743 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
|
6744 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6745 || pim->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6746 == NFA_START_INVISIBLE_BEFORE_NEG |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6747 || pim->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6748 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6749 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6750 /* Copy submatch info from the recursive call */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6751 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
|
6752 #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
|
6753 if (rex.nfa_has_zsubexpr) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6754 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
|
6755 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6756 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6757 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6758 /* 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
|
6759 continue; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6760 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6761 /* 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
|
6762 * following states. */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6763 pim = NULL; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6764 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6765 |
| 5401 | 6766 /* If "pim" points into l->t it will become invalid when |
| 6767 * adding the state causes the list to be reallocated. Make a | |
| 6768 * local copy to avoid that. */ | |
| 6769 if (pim == &t->pim) | |
| 6770 { | |
| 6771 copy_pim(&pim_copy, pim); | |
| 6772 pim = &pim_copy; | |
| 6773 } | |
| 6774 | |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6775 if (add_here) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6776 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
|
6777 else |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6778 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6779 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
|
6780 if (add_count > 0) |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6781 nextlist->t[nextlist->n - 1].count = add_count; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6782 } |
| 4444 | 6783 } |
| 6784 | |
| 6785 } /* for (thislist = thislist; thislist->state; thislist++) */ | |
| 6786 | |
|
4557
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6787 /* 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
|
6788 * start state to the list of states. |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6789 * 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
|
6790 * matters! |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6791 * 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
|
6792 * 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
|
6793 * 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
|
6794 * 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
|
6795 if (nfa_match == FALSE |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6796 && ((toplevel |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6797 && rex.lnum == 0 |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6798 && clen != 0 |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6799 && (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
|
6800 || (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
|
6801 || (nfa_endp != NULL |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6802 && (REG_MULTI |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6803 ? (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
|
6804 || (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
|
6805 && (int)(rex.input - rex.line) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6806 < 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
|
6807 : rex.input < nfa_endp->se_u.ptr)))) |
| 4444 | 6808 { |
| 6809 #ifdef ENABLE_LOG | |
| 6810 fprintf(log_fd, "(---) STARTSTATE\n"); | |
| 6811 #endif | |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6812 /* 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
|
6813 * the first MOPEN. */ |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6814 if (toplevel) |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6815 { |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6816 int add = TRUE; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6817 int c; |
|
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 if (prog->regstart != NUL && clen != 0) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6820 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6821 if (nextlist->n == 0) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6822 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6823 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
|
6824 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6825 /* 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
|
6826 * character that must appear at the start. */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6827 if (skip_to_start(prog->regstart, &col) == FAIL) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6828 break; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6829 #ifdef ENABLE_LOG |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6830 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
|
6831 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
|
6832 #endif |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6833 rex.input = rex.line + col - clen; |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6834 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6835 else |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6836 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6837 /* Checking if the required start character matches is |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6838 * 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
|
6839 c = PTR2CHAR(rex.input + clen); |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6840 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
|
6841 || MB_TOLOWER(c) != MB_TOLOWER(prog->regstart))) |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6842 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6843 #ifdef ENABLE_LOG |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6844 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
|
6845 #endif |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6846 add = FALSE; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6847 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6848 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6849 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6850 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6851 if (add) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6852 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6853 if (REG_MULTI) |
| 6547 | 6854 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
|
6855 (colnr_T)(rex.input - rex.line) + clen; |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6856 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6857 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
|
6858 addstate(nextlist, start->out, m, NULL, clen); |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6859 } |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6860 } |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6861 else |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6862 addstate(nextlist, start, m, NULL, clen); |
| 4444 | 6863 } |
| 6864 | |
| 6865 #ifdef ENABLE_LOG | |
| 6866 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
|
6867 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6868 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6869 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6870 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6871 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
|
6872 } |
| 4444 | 6873 fprintf(log_fd, "\n"); |
| 6874 #endif | |
| 6875 | |
| 6876 nextchar: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6877 /* 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
|
6878 * finish. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6879 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
|
6880 rex.input += clen; |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6881 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
|
6882 && 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
|
6883 reg_nextline(); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6884 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6885 break; |
| 6499 | 6886 |
| 6887 /* Allow interrupting with CTRL-C. */ | |
| 6573 | 6888 line_breakcheck(); |
| 6499 | 6889 if (got_int) |
| 6890 break; | |
| 6573 | 6891 #ifdef FEAT_RELTIME |
| 6892 /* Check for timeout once in a twenty times to avoid overhead. */ | |
| 6893 if (nfa_time_limit != NULL && ++nfa_time_count == 20) | |
| 6894 { | |
| 6895 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
|
6896 if (nfa_did_time_out()) |
| 6573 | 6897 break; |
| 6898 } | |
| 6899 #endif | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6900 } |
| 4444 | 6901 |
| 6902 #ifdef ENABLE_LOG | |
| 6903 if (log_fd != stderr) | |
| 6904 fclose(log_fd); | |
| 6905 log_fd = NULL; | |
| 6906 #endif | |
| 6907 | |
| 6908 theend: | |
| 6909 /* Free memory */ | |
| 6910 vim_free(list[0].t); | |
| 6911 vim_free(list[1].t); | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6912 vim_free(listids); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6913 #undef ADD_STATE_IF_MATCH |
| 4460 | 6914 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 6915 fclose(debug); |
| 6916 #endif | |
| 6917 | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6918 return nfa_match; |
| 4444 | 6919 } |
| 6920 | |
| 6921 /* | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6922 * Try match of "prog" with at rex.line["col"]. |
| 6392 | 6923 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
| 4444 | 6924 */ |
| 6925 static long | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
6926 nfa_regtry( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
6927 nfa_regprog_T *prog, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
6928 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
|
6929 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
|
6930 int *timed_out UNUSED) /* flag set on timeout or NULL */ |
| 4444 | 6931 { |
| 6932 int i; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6933 regsubs_T subs, m; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6934 nfa_state_T *start = prog->start; |
| 6328 | 6935 int result; |
| 4444 | 6936 #ifdef ENABLE_LOG |
| 6937 FILE *f; | |
| 6938 #endif | |
| 6939 | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6940 rex.input = rex.line + col; |
| 6573 | 6941 #ifdef FEAT_RELTIME |
| 6942 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
|
6943 nfa_timed_out = timed_out; |
| 6573 | 6944 nfa_time_count = 0; |
| 6945 #endif | |
| 4444 | 6946 |
| 6947 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6948 f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 6949 if (f != NULL) |
| 6950 { | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6951 fprintf(f, "\n\n\t=======================================================\n"); |
| 4444 | 6952 #ifdef DEBUG |
| 6953 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr); | |
| 6954 #endif | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6955 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
|
6956 fprintf(f, "\t=======================================================\n\n"); |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
6957 nfa_print_state(f, start); |
| 4444 | 6958 fprintf(f, "\n\n"); |
| 6959 fclose(f); | |
| 6960 } | |
| 6961 else | |
|
14163
99a96be12254
patch 8.1.0099: exclamation mark in error message not needed
Christian Brabandt <cb@256bit.org>
parents:
14161
diff
changeset
|
6962 EMSG("Could not open temporary log file for writing"); |
| 4444 | 6963 #endif |
| 6964 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6965 clear_sub(&subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6966 clear_sub(&m.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6967 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6968 clear_sub(&subs.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6969 clear_sub(&m.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6970 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6971 |
| 6328 | 6972 result = nfa_regmatch(prog, start, &subs, &m); |
| 6973 if (result == FALSE) | |
| 4444 | 6974 return 0; |
| 6328 | 6975 else if (result == NFA_TOO_EXPENSIVE) |
| 6976 return result; | |
| 4444 | 6977 |
| 6978 cleanup_subexpr(); | |
| 6979 if (REG_MULTI) | |
| 6980 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6981 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 6982 { |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6983 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
|
6984 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
|
6985 |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6986 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
|
6987 rex.reg_endpos[i].col = subs.norm.list.multi[i].end_col; |
| 4444 | 6988 } |
| 6989 | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6990 if (rex.reg_startpos[0].lnum < 0) |
| 4444 | 6991 { |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6992 rex.reg_startpos[0].lnum = 0; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6993 rex.reg_startpos[0].col = col; |
| 4444 | 6994 } |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6995 if (rex.reg_endpos[0].lnum < 0) |
| 4444 | 6996 { |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
6997 /* 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
|
6998 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
|
6999 rex.reg_endpos[0].col = (int)(rex.input - rex.line); |
| 4444 | 7000 } |
| 7001 else | |
| 7002 /* 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
|
7003 rex.lnum = rex.reg_endpos[0].lnum; |
| 4444 | 7004 } |
| 7005 else | |
| 7006 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7007 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 7008 { |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7009 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
|
7010 rex.reg_endp[i] = subs.norm.list.line[i].end; |
| 4444 | 7011 } |
| 7012 | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7013 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
|
7014 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
|
7015 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
|
7016 rex.reg_endp[0] = rex.input; |
| 4444 | 7017 } |
| 7018 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7019 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7020 /* 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
|
7021 unref_extmatch(re_extmatch_out); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7022 re_extmatch_out = NULL; |
|
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 (prog->reghasz == REX_SET) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7025 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7026 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7027 re_extmatch_out = make_extmatch(); |
|
7258
7245d8635ac7
commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997
Christian Brabandt <cb@256bit.org>
parents:
7152
diff
changeset
|
7028 /* 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
|
7029 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
|
7030 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7031 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7032 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7033 struct multipos *mpos = &subs.synt.list.multi[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7034 |
| 5820 | 7035 /* Only accept single line matches that are valid. */ |
| 6547 | 7036 if (mpos->start_lnum >= 0 |
| 7037 && mpos->start_lnum == mpos->end_lnum | |
| 7038 && mpos->end_col >= mpos->start_col) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7039 re_extmatch_out->matches[i] = |
| 6547 | 7040 vim_strnsave(reg_getline(mpos->start_lnum) |
| 7041 + mpos->start_col, | |
| 7042 mpos->end_col - mpos->start_col); | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7043 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7044 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7045 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7046 struct linepos *lpos = &subs.synt.list.line[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7047 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7048 if (lpos->start != NULL && lpos->end != NULL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7049 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7050 vim_strnsave(lpos->start, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7051 (int)(lpos->end - lpos->start)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7052 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7053 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7054 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7055 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7056 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7057 return 1 + rex.lnum; |
| 4444 | 7058 } |
| 7059 | |
| 7060 /* | |
| 7061 * Match a regexp against a string ("line" points to the string) or multiple | |
| 7062 * lines ("line" is NULL, use reg_getline()). | |
| 7063 * | |
| 6392 | 7064 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
| 4444 | 7065 */ |
| 7066 static long | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7067 nfa_regexec_both( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7068 char_u *line, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7069 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
|
7070 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
|
7071 int *timed_out) /* flag set on timeout or NULL */ |
| 4444 | 7072 { |
| 7073 nfa_regprog_T *prog; | |
| 7074 long retval = 0L; | |
| 7075 int i; | |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7076 colnr_T col = startcol; |
| 4444 | 7077 |
| 7078 if (REG_MULTI) | |
| 7079 { | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7080 prog = (nfa_regprog_T *)rex.reg_mmatch->regprog; |
| 4444 | 7081 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
|
7082 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
|
7083 rex.reg_endpos = rex.reg_mmatch->endpos; |
| 4444 | 7084 } |
| 7085 else | |
| 7086 { | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7087 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
|
7088 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
|
7089 rex.reg_endp = rex.reg_match->endp; |
| 4444 | 7090 } |
| 7091 | |
| 7092 /* Be paranoid... */ | |
| 7093 if (prog == NULL || line == NULL) | |
| 7094 { | |
| 7095 EMSG(_(e_null)); | |
| 7096 goto theend; | |
| 7097 } | |
| 7098 | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7099 /* If pattern contains "\c" or "\C": overrule value of rex.reg_ic */ |
| 4444 | 7100 if (prog->regflags & RF_ICASE) |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7101 rex.reg_ic = TRUE; |
| 4444 | 7102 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
|
7103 rex.reg_ic = FALSE; |
| 4444 | 7104 |
| 7105 #ifdef FEAT_MBYTE | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7106 /* If pattern contains "\Z" overrule value of rex.reg_icombine */ |
| 4444 | 7107 if (prog->regflags & RF_ICOMBINE) |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7108 rex.reg_icombine = TRUE; |
| 4444 | 7109 #endif |
| 7110 | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7111 rex.line = line; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7112 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
|
7113 |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7114 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
|
7115 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
|
7116 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
|
7117 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
|
7118 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
|
7119 #ifdef DEBUG |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7120 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
|
7121 #endif |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
7122 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7123 if (prog->reganch && col > 0) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7124 return 0L; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7125 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7126 rex.need_clear_subexpr = TRUE; |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7127 #ifdef FEAT_SYN_HL |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7128 /* Clear the external match subpointers if necessary. */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7129 if (prog->reghasz == REX_SET) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7130 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7131 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
|
7132 rex.need_clear_zsubexpr = TRUE; |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7133 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7134 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7135 { |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7136 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
|
7137 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
|
7138 } |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7139 #endif |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7140 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7141 if (prog->regstart != NUL) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7142 { |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7143 /* 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
|
7144 * When there is none there is no match. */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7145 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
|
7146 return 0L; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7147 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7148 /* 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
|
7149 * Nothing else to try. Doesn't handle combining chars well. */ |
|
4811
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7150 if (prog->match_text != NULL |
|
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7151 #ifdef FEAT_MBYTE |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7152 && !rex.reg_icombine |
|
4811
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7153 #endif |
|
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7154 ) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7155 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
|
7156 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7157 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7158 /* 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
|
7159 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
|
7160 goto theend; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7161 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7162 // 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
|
7163 // 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
|
7164 nstate = 0; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7165 for (i = 0; i < prog->nstate; ++i) |
| 4444 | 7166 { |
| 7167 prog->state[i].id = i; | |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7168 prog->state[i].lastlist[0] = 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7169 prog->state[i].lastlist[1] = 0; |
| 4444 | 7170 } |
| 7171 | |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
7172 retval = nfa_regtry(prog, col, tm, timed_out); |
| 4444 | 7173 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7174 #ifdef DEBUG |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7175 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
|
7176 #endif |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7177 |
| 4444 | 7178 theend: |
| 7179 return retval; | |
| 7180 } | |
| 7181 | |
| 7182 /* | |
| 7183 * Compile a regular expression into internal code for the NFA matcher. | |
| 7184 * Returns the program in allocated space. Returns NULL for an error. | |
| 7185 */ | |
| 7186 static regprog_T * | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7187 nfa_regcomp(char_u *expr, int re_flags) |
| 4444 | 7188 { |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7189 nfa_regprog_T *prog = NULL; |
| 4458 | 7190 size_t prog_size; |
| 4444 | 7191 int *postfix; |
| 7192 | |
| 7193 if (expr == NULL) | |
| 7194 return NULL; | |
| 7195 | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7196 #ifdef DEBUG |
| 4444 | 7197 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
|
7198 #endif |
| 6533 | 7199 nfa_re_flags = re_flags; |
| 4444 | 7200 |
| 7201 init_class_tab(); | |
| 7202 | |
| 7203 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
| 7204 return NULL; | |
| 7205 | |
| 7206 /* 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
|
7207 * (and count its size). */ |
| 4444 | 7208 postfix = re2post(); |
| 7209 if (postfix == NULL) | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7210 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7211 /* TODO: only give this error for debugging? */ |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7212 if (post_ptr >= post_end) |
|
10540
ea7fbae33285
patch 8.0.0160: EMSG() is sometimes used where it should be IEMSG()
Christian Brabandt <cb@256bit.org>
parents:
10245
diff
changeset
|
7213 IEMSGN("Internal error: estimated max number of states insufficient: %ld", post_end - post_start); |
| 4444 | 7214 goto fail; /* Cascaded (syntax?) error */ |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7215 } |
| 4444 | 7216 |
| 7217 /* | |
| 7218 * In order to build the NFA, we parse the input regexp twice: | |
| 7219 * 1. first pass to count size (so we can allocate space) | |
| 7220 * 2. second to emit code | |
| 7221 */ | |
| 7222 #ifdef ENABLE_LOG | |
| 7223 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
7224 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 7225 |
| 7226 if (f != NULL) | |
| 7227 { | |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
7228 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\"... hold on !\n", expr); |
| 4444 | 7229 fclose(f); |
| 7230 } | |
| 7231 } | |
| 7232 #endif | |
| 7233 | |
| 7234 /* | |
| 7235 * PASS 1 | |
| 7236 * Count number of NFA states in "nstate". Do not build the NFA. | |
| 7237 */ | |
| 7238 post2nfa(postfix, post_ptr, TRUE); | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7239 |
|
4837
05b8436873d4
updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents:
4821
diff
changeset
|
7240 /* 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
|
7241 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
|
7242 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE); |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7243 if (prog == NULL) |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7244 goto fail; |
| 4444 | 7245 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
|
7246 prog->re_in_use = FALSE; |
| 4444 | 7247 |
| 7248 /* | |
| 7249 * PASS 2 | |
| 7250 * Build the NFA | |
| 7251 */ | |
| 7252 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
| 7253 if (prog->start == NULL) | |
| 7254 goto fail; | |
| 7255 | |
| 7256 prog->regflags = regflags; | |
| 7257 prog->engine = &nfa_regengine; | |
| 7258 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
|
7259 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
|
7260 prog->has_backref = rex.nfa_has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
7261 prog->nsubexp = regnpar; |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7262 |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7263 nfa_postprocess(prog); |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7264 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7265 prog->reganch = nfa_get_reganch(prog->start, 0); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7266 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
|
7267 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
|
7268 |
| 4444 | 7269 #ifdef ENABLE_LOG |
| 7270 nfa_postfix_dump(expr, OK); | |
| 7271 nfa_dump(prog); | |
| 7272 #endif | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7273 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7274 /* 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
|
7275 prog->reghasz = re_has_z; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7276 #endif |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7277 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
|
7278 #ifdef DEBUG |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7279 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
|
7280 #endif |
| 4444 | 7281 |
| 7282 out: | |
|
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13208
diff
changeset
|
7283 VIM_CLEAR(post_start); |
|
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13208
diff
changeset
|
7284 post_ptr = post_end = NULL; |
| 4444 | 7285 state_ptr = NULL; |
| 7286 return (regprog_T *)prog; | |
| 7287 | |
| 7288 fail: | |
|
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13208
diff
changeset
|
7289 VIM_CLEAR(prog); |
| 4444 | 7290 #ifdef ENABLE_LOG |
| 7291 nfa_postfix_dump(expr, FAIL); | |
| 7292 #endif | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7293 #ifdef DEBUG |
| 4444 | 7294 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
|
7295 #endif |
| 4444 | 7296 goto out; |
| 7297 } | |
| 7298 | |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7299 /* |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7300 * 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
|
7301 */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7302 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7303 nfa_regfree(regprog_T *prog) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7304 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7305 if (prog != NULL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7306 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7307 vim_free(((nfa_regprog_T *)prog)->match_text); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7308 vim_free(((nfa_regprog_T *)prog)->pattern); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7309 vim_free(prog); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7310 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7311 } |
| 4444 | 7312 |
| 7313 /* | |
| 7314 * Match a regexp against a string. | |
| 7315 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
| 7316 * Uses curbuf for line count and 'iskeyword'. | |
| 5838 | 7317 * If "line_lbr" is TRUE consider a "\n" in "line" to be a line break. |
| 4444 | 7318 * |
| 6392 | 7319 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
| 4444 | 7320 */ |
| 7321 static int | |
|
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7322 nfa_regexec_nl( |
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c079097365f3
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|
7323 regmatch_T *rmp, |
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c079097365f3
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7324 char_u *line, /* string to match against */ |
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c079097365f3
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parents:
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diff
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|
7325 colnr_T col, /* column to start looking for match */ |
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c079097365f3
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diff
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|
7326 int line_lbr) |
| 4444 | 7327 { |
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7328 rex.reg_match = rmp; |
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d76ccdacb41e
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parents:
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diff
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|
7329 rex.reg_mmatch = NULL; |
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d76ccdacb41e
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7330 rex.reg_maxline = 0; |
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d76ccdacb41e
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parents:
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diff
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7331 rex.reg_line_lbr = line_lbr; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
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7332 rex.reg_buf = curbuf; |
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d76ccdacb41e
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7333 rex.reg_win = NULL; |
|
d76ccdacb41e
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7334 rex.reg_ic = rmp->rm_ic; |
| 4444 | 7335 #ifdef FEAT_MBYTE |
|
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7336 rex.reg_icombine = FALSE; |
| 4444 | 7337 #endif |
|
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|
7338 rex.reg_maxcol = 0; |
|
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|
7339 return nfa_regexec_both(line, col, NULL, NULL); |
| 4444 | 7340 } |
| 7341 | |
| 7342 | |
| 7343 /* | |
| 7344 * Match a regexp against multiple lines. | |
| 7345 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
| 7346 * Uses curbuf for line count and 'iskeyword'. | |
| 7347 * | |
| 6392 | 7348 * Return <= 0 if there is no match. Return number of lines contained in the |
| 4444 | 7349 * match otherwise. |
| 7350 * | |
| 7351 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
| 7352 * | |
| 7353 * ! Also NOTE : match may actually be in another line. e.g.: | |
| 7354 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
| 7355 * | |
| 7356 * +-------------------------+ | |
| 7357 * |a | | |
| 7358 * |b | | |
| 7359 * |c | | |
| 7360 * | | | |
| 7361 * +-------------------------+ | |
| 7362 * | |
| 7363 * then nfa_regexec_multi() returns 3. while the original | |
| 7364 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
| 7365 * | |
| 7366 * FIXME if this behavior is not compatible. | |
| 7367 */ | |
| 7368 static long | |
|
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diff
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|
7369 nfa_regexec_multi( |
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|
7370 regmmatch_T *rmp, |
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7371 win_T *win, /* window in which to search or NULL */ |
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|
7372 buf_T *buf, /* buffer in which to search */ |
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|
7373 linenr_T lnum, /* nr of line to start looking for match */ |
|
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|
7374 colnr_T col, /* column to start looking for match */ |
|
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7375 proftime_T *tm, /* timeout limit or NULL */ |
|
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|
7376 int *timed_out) /* flag set on timeout or NULL */ |
| 4444 | 7377 { |
|
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|
7378 rex.reg_match = NULL; |
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d76ccdacb41e
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|
7379 rex.reg_mmatch = rmp; |
|
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7380 rex.reg_buf = buf; |
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7381 rex.reg_win = win; |
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7382 rex.reg_firstlnum = lnum; |
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7383 rex.reg_maxline = rex.reg_buf->b_ml.ml_line_count - lnum; |
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7384 rex.reg_line_lbr = FALSE; |
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|
7385 rex.reg_ic = rmp->rmm_ic; |
| 4444 | 7386 #ifdef FEAT_MBYTE |
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7387 rex.reg_icombine = FALSE; |
| 4444 | 7388 #endif |
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7389 rex.reg_maxcol = rmp->rmm_maxcol; |
| 4444 | 7390 |
|
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7391 return nfa_regexec_both(NULL, col, tm, timed_out); |
| 4444 | 7392 } |
| 7393 | |
| 7394 #ifdef DEBUG | |
| 7395 # undef ENABLE_LOG | |
| 7396 #endif |