Mercurial > vim
annotate src/regexp_nfa.c @ 4750:7793e737ec87 v7.3.1122
updated for version 7.3.1122
Problem: New regexp engine: \%> not supported.
Solution: Implement \%>.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 05 Jun 2013 18:52:40 +0200 |
| parents | 4b9503f0c7d3 |
| children | 96f3348f9f11 |
| rev | line source |
|---|---|
| 4444 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 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 | |
| 32 enum | |
| 33 { | |
| 34 NFA_SPLIT = -1024, | |
| 35 NFA_MATCH, | |
| 36 NFA_SKIP_CHAR, /* matches a 0-length char */ | |
| 37 NFA_END_NEG_RANGE, /* Used when expanding [^ab] */ | |
| 38 | |
| 39 NFA_CONCAT, | |
| 40 NFA_OR, | |
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41 NFA_STAR, /* greedy * */ |
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42 NFA_STAR_NONGREEDY, /* non-greedy * */ |
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43 NFA_QUEST, /* greedy \? */ |
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44 NFA_QUEST_NONGREEDY, /* non-greedy \? */ |
| 4444 | 45 NFA_NOT, /* used for [^ab] negated char ranges */ |
| 46 | |
| 47 NFA_BOL, /* ^ Begin line */ | |
| 48 NFA_EOL, /* $ End line */ | |
| 49 NFA_BOW, /* \< Begin word */ | |
| 50 NFA_EOW, /* \> End word */ | |
| 51 NFA_BOF, /* \%^ Begin file */ | |
| 52 NFA_EOF, /* \%$ End file */ | |
| 53 NFA_NEWL, | |
| 54 NFA_ZSTART, /* Used for \zs */ | |
| 55 NFA_ZEND, /* Used for \ze */ | |
| 56 NFA_NOPEN, /* Start of subexpression marked with \%( */ | |
| 57 NFA_NCLOSE, /* End of subexpr. marked with \%( ... \) */ | |
| 58 NFA_START_INVISIBLE, | |
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59 NFA_START_INVISIBLE_BEFORE, |
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60 NFA_START_PATTERN, |
| 4444 | 61 NFA_END_INVISIBLE, |
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62 NFA_END_PATTERN, |
| 4444 | 63 NFA_COMPOSING, /* Next nodes in NFA are part of the |
| 64 composing multibyte char */ | |
| 65 NFA_END_COMPOSING, /* End of a composing char in the NFA */ | |
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66 NFA_OPT_CHARS, /* \%[abc] */ |
| 4444 | 67 |
| 68 /* The following are used only in the postfix form, not in the NFA */ | |
| 69 NFA_PREV_ATOM_NO_WIDTH, /* Used for \@= */ | |
| 70 NFA_PREV_ATOM_NO_WIDTH_NEG, /* Used for \@! */ | |
| 71 NFA_PREV_ATOM_JUST_BEFORE, /* Used for \@<= */ | |
| 72 NFA_PREV_ATOM_JUST_BEFORE_NEG, /* Used for \@<! */ | |
| 73 NFA_PREV_ATOM_LIKE_PATTERN, /* Used for \@> */ | |
| 74 | |
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75 NFA_BACKREF1, /* \1 */ |
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76 NFA_BACKREF2, /* \2 */ |
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77 NFA_BACKREF3, /* \3 */ |
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78 NFA_BACKREF4, /* \4 */ |
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79 NFA_BACKREF5, /* \5 */ |
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80 NFA_BACKREF6, /* \6 */ |
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81 NFA_BACKREF7, /* \7 */ |
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82 NFA_BACKREF8, /* \8 */ |
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83 NFA_BACKREF9, /* \9 */ |
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84 #ifdef FEAT_SYN_HL |
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85 NFA_ZREF1, /* \z1 */ |
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86 NFA_ZREF2, /* \z2 */ |
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87 NFA_ZREF3, /* \z3 */ |
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88 NFA_ZREF4, /* \z4 */ |
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89 NFA_ZREF5, /* \z5 */ |
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90 NFA_ZREF6, /* \z6 */ |
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91 NFA_ZREF7, /* \z7 */ |
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92 NFA_ZREF8, /* \z8 */ |
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93 NFA_ZREF9, /* \z9 */ |
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94 #endif |
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95 NFA_SKIP, /* Skip characters */ |
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96 |
| 4444 | 97 NFA_MOPEN, |
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98 NFA_MOPEN1, |
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99 NFA_MOPEN2, |
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100 NFA_MOPEN3, |
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101 NFA_MOPEN4, |
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102 NFA_MOPEN5, |
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103 NFA_MOPEN6, |
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104 NFA_MOPEN7, |
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105 NFA_MOPEN8, |
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106 NFA_MOPEN9, |
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107 |
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108 NFA_MCLOSE, |
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109 NFA_MCLOSE1, |
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110 NFA_MCLOSE2, |
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111 NFA_MCLOSE3, |
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112 NFA_MCLOSE4, |
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113 NFA_MCLOSE5, |
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114 NFA_MCLOSE6, |
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115 NFA_MCLOSE7, |
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116 NFA_MCLOSE8, |
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117 NFA_MCLOSE9, |
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118 |
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119 #ifdef FEAT_SYN_HL |
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120 NFA_ZOPEN, |
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121 NFA_ZOPEN1, |
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122 NFA_ZOPEN2, |
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123 NFA_ZOPEN3, |
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124 NFA_ZOPEN4, |
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125 NFA_ZOPEN5, |
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126 NFA_ZOPEN6, |
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127 NFA_ZOPEN7, |
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128 NFA_ZOPEN8, |
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129 NFA_ZOPEN9, |
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130 |
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131 NFA_ZCLOSE, |
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132 NFA_ZCLOSE1, |
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133 NFA_ZCLOSE2, |
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134 NFA_ZCLOSE3, |
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135 NFA_ZCLOSE4, |
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136 NFA_ZCLOSE5, |
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137 NFA_ZCLOSE6, |
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138 NFA_ZCLOSE7, |
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139 NFA_ZCLOSE8, |
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140 NFA_ZCLOSE9, |
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141 #endif |
| 4444 | 142 |
| 143 /* NFA_FIRST_NL */ | |
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144 NFA_ANY, /* Match any one character. */ |
| 4444 | 145 NFA_ANYOF, /* Match any character in this string. */ |
| 146 NFA_ANYBUT, /* Match any character not in this string. */ | |
| 147 NFA_IDENT, /* Match identifier char */ | |
| 148 NFA_SIDENT, /* Match identifier char but no digit */ | |
| 149 NFA_KWORD, /* Match keyword char */ | |
| 150 NFA_SKWORD, /* Match word char but no digit */ | |
| 151 NFA_FNAME, /* Match file name char */ | |
| 152 NFA_SFNAME, /* Match file name char but no digit */ | |
| 153 NFA_PRINT, /* Match printable char */ | |
| 154 NFA_SPRINT, /* Match printable char but no digit */ | |
| 155 NFA_WHITE, /* Match whitespace char */ | |
| 156 NFA_NWHITE, /* Match non-whitespace char */ | |
| 157 NFA_DIGIT, /* Match digit char */ | |
| 158 NFA_NDIGIT, /* Match non-digit char */ | |
| 159 NFA_HEX, /* Match hex char */ | |
| 160 NFA_NHEX, /* Match non-hex char */ | |
| 161 NFA_OCTAL, /* Match octal char */ | |
| 162 NFA_NOCTAL, /* Match non-octal char */ | |
| 163 NFA_WORD, /* Match word char */ | |
| 164 NFA_NWORD, /* Match non-word char */ | |
| 165 NFA_HEAD, /* Match head char */ | |
| 166 NFA_NHEAD, /* Match non-head char */ | |
| 167 NFA_ALPHA, /* Match alpha char */ | |
| 168 NFA_NALPHA, /* Match non-alpha char */ | |
| 169 NFA_LOWER, /* Match lowercase char */ | |
| 170 NFA_NLOWER, /* Match non-lowercase char */ | |
| 171 NFA_UPPER, /* Match uppercase char */ | |
| 172 NFA_NUPPER, /* Match non-uppercase char */ | |
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173 |
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174 NFA_CURSOR, /* Match cursor pos */ |
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175 NFA_LNUM, /* Match line number */ |
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176 NFA_LNUM_GT, /* Match > line number */ |
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177 NFA_LNUM_LT, /* Match < line number */ |
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178 NFA_COL, /* Match cursor column */ |
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179 NFA_COL_GT, /* Match > cursor column */ |
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180 NFA_COL_LT, /* Match < cursor column */ |
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181 NFA_VCOL, /* Match cursor virtual column */ |
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182 NFA_VCOL_GT, /* Match > cursor virtual column */ |
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183 NFA_VCOL_LT, /* Match < cursor virtual column */ |
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184 NFA_MARK, /* Match mark */ |
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185 NFA_MARK_GT, /* Match > mark */ |
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186 NFA_MARK_LT, /* Match < mark */ |
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187 #ifdef FEAT_VISUAL |
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188 NFA_VISUAL, /* Match Visual area */ |
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189 #endif |
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190 |
| 4444 | 191 NFA_FIRST_NL = NFA_ANY + ADD_NL, |
| 192 NFA_LAST_NL = NFA_NUPPER + ADD_NL, | |
| 193 | |
| 194 /* Character classes [:alnum:] etc */ | |
| 195 NFA_CLASS_ALNUM, | |
| 196 NFA_CLASS_ALPHA, | |
| 197 NFA_CLASS_BLANK, | |
| 198 NFA_CLASS_CNTRL, | |
| 199 NFA_CLASS_DIGIT, | |
| 200 NFA_CLASS_GRAPH, | |
| 201 NFA_CLASS_LOWER, | |
| 202 NFA_CLASS_PRINT, | |
| 203 NFA_CLASS_PUNCT, | |
| 204 NFA_CLASS_SPACE, | |
| 205 NFA_CLASS_UPPER, | |
| 206 NFA_CLASS_XDIGIT, | |
| 207 NFA_CLASS_TAB, | |
| 208 NFA_CLASS_RETURN, | |
| 209 NFA_CLASS_BACKSPACE, | |
| 210 NFA_CLASS_ESCAPE | |
| 211 }; | |
| 212 | |
| 213 /* Keep in sync with classchars. */ | |
| 214 static int nfa_classcodes[] = { | |
| 215 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD, | |
| 216 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT, | |
| 217 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT, | |
| 218 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL, | |
| 219 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD, | |
| 220 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER, | |
| 221 NFA_UPPER, NFA_NUPPER | |
| 222 }; | |
| 223 | |
| 224 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); | |
| 225 | |
| 226 /* | |
| 227 * NFA errors can be of 3 types: | |
| 228 * *** NFA runtime errors, when something unknown goes wrong. The NFA fails | |
| 229 * silently and revert the to backtracking engine. | |
| 230 * syntax_error = FALSE; | |
| 231 * *** Regexp syntax errors, when the input regexp is not syntactically correct. | |
| 232 * The NFA engine displays an error message, and nothing else happens. | |
| 233 * syntax_error = TRUE | |
| 234 * *** Unsupported features, when the input regexp uses an operator that is not | |
| 235 * implemented in the NFA. The NFA engine fails silently, and reverts to the | |
| 236 * old backtracking engine. | |
| 237 * syntax_error = FALSE | |
| 238 * "The NFA fails" means that "compiling the regexp with the NFA fails": | |
| 239 * nfa_regcomp() returns FAIL. | |
| 240 */ | |
| 241 static int syntax_error = FALSE; | |
| 242 | |
| 243 /* NFA regexp \ze operator encountered. */ | |
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244 static int nfa_has_zend; |
| 4444 | 245 |
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246 /* NFA regexp \1 .. \9 encountered. */ |
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247 static int nfa_has_backref; |
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248 |
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249 #ifdef FEAT_SYN_HL |
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250 /* NFA regexp has \z( ), set zsubexpr. */ |
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251 static int nfa_has_zsubexpr; |
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252 #endif |
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253 |
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254 /* Number of sub expressions actually being used during execution. 1 if only |
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255 * the whole match (subexpr 0) is used. */ |
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256 static int nfa_nsubexpr; |
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257 |
| 4444 | 258 static int *post_start; /* holds the postfix form of r.e. */ |
| 259 static int *post_end; | |
| 260 static int *post_ptr; | |
| 261 | |
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262 static int nstate; /* Number of states in the NFA. Also used when |
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263 * executing. */ |
|
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264 static int istate; /* Index in the state vector, used in alloc_state() */ |
| 4444 | 265 |
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266 /* If not NULL match must end at this position */ |
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267 static save_se_T *nfa_endp = NULL; |
| 4444 | 268 |
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269 /* listid is global, so that it increases on recursive calls to |
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270 * nfa_regmatch(), which means we don't have to clear the lastlist field of |
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271 * all the states. */ |
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272 static int nfa_listid; |
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273 static int nfa_alt_listid; |
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274 |
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275 /* 0 for first call to nfa_regmatch(), 1 for recursive call. */ |
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276 static int nfa_ll_index = 0; |
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277 |
| 4444 | 278 static int nfa_regcomp_start __ARGS((char_u*expr, int re_flags)); |
| 279 static int nfa_recognize_char_class __ARGS((char_u *start, char_u *end, int extra_newl)); | |
| 280 static int nfa_emit_equi_class __ARGS((int c, int neg)); | |
| 281 static int nfa_regatom __ARGS((void)); | |
| 282 static int nfa_regpiece __ARGS((void)); | |
| 283 static int nfa_regconcat __ARGS((void)); | |
| 284 static int nfa_regbranch __ARGS((void)); | |
| 285 static int nfa_reg __ARGS((int paren)); | |
| 286 #ifdef DEBUG | |
| 287 static void nfa_set_code __ARGS((int c)); | |
| 288 static void nfa_postfix_dump __ARGS((char_u *expr, int retval)); | |
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289 static void nfa_print_state __ARGS((FILE *debugf, nfa_state_T *state)); |
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290 static void nfa_print_state2 __ARGS((FILE *debugf, nfa_state_T *state, garray_T *indent)); |
| 4444 | 291 static void nfa_dump __ARGS((nfa_regprog_T *prog)); |
| 292 #endif | |
| 293 static int *re2post __ARGS((void)); | |
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294 static nfa_state_T *alloc_state __ARGS((int c, nfa_state_T *out, nfa_state_T *out1)); |
| 4444 | 295 static nfa_state_T *post2nfa __ARGS((int *postfix, int *end, int nfa_calc_size)); |
| 296 static int check_char_class __ARGS((int class, int c)); | |
| 297 static void st_error __ARGS((int *postfix, int *end, int *p)); | |
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298 static void nfa_save_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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299 static void nfa_restore_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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300 static int nfa_re_num_cmp __ARGS((long_u val, int op, long_u pos)); |
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301 static long nfa_regtry __ARGS((nfa_regprog_T *prog, colnr_T col)); |
| 4444 | 302 static long nfa_regexec_both __ARGS((char_u *line, colnr_T col)); |
| 303 static regprog_T *nfa_regcomp __ARGS((char_u *expr, int re_flags)); | |
| 304 static int nfa_regexec __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); | |
| 305 static long nfa_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm)); | |
| 306 | |
| 307 /* helper functions used when doing re2post() ... regatom() parsing */ | |
| 308 #define EMIT(c) do { \ | |
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309 if (post_ptr >= post_end && realloc_post_list() == FAIL) \ |
| 4444 | 310 return FAIL; \ |
| 311 *post_ptr++ = c; \ | |
| 312 } while (0) | |
| 313 | |
| 314 /* | |
| 315 * Initialize internal variables before NFA compilation. | |
| 316 * Return OK on success, FAIL otherwise. | |
| 317 */ | |
| 318 static int | |
| 319 nfa_regcomp_start(expr, re_flags) | |
| 320 char_u *expr; | |
| 321 int re_flags; /* see vim_regcomp() */ | |
| 322 { | |
| 4458 | 323 size_t postfix_size; |
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324 int nstate_max; |
| 4444 | 325 |
| 326 nstate = 0; | |
| 327 istate = 0; | |
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328 /* A reasonable estimation for maximum size */ |
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329 nstate_max = (int)(STRLEN(expr) + 1) * 25; |
| 4444 | 330 |
| 4454 | 331 /* Some items blow up in size, such as [A-z]. Add more space for that. |
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332 * When it is still not enough realloc_post_list() will be used. */ |
| 4458 | 333 nstate_max += 1000; |
| 4454 | 334 |
| 335 /* Size for postfix representation of expr. */ | |
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336 postfix_size = sizeof(int) * nstate_max; |
| 4454 | 337 |
| 4444 | 338 post_start = (int *)lalloc(postfix_size, TRUE); |
| 339 if (post_start == NULL) | |
| 340 return FAIL; | |
| 341 vim_memset(post_start, 0, postfix_size); | |
| 342 post_ptr = post_start; | |
| 4454 | 343 post_end = post_start + nstate_max; |
| 4444 | 344 nfa_has_zend = FALSE; |
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345 nfa_has_backref = FALSE; |
| 4444 | 346 |
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347 /* shared with BT engine */ |
| 4444 | 348 regcomp_start(expr, re_flags); |
| 349 | |
| 350 return OK; | |
| 351 } | |
| 352 | |
| 353 /* | |
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354 * Allocate more space for post_start. Called when |
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355 * running above the estimated number of states. |
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356 */ |
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357 static int |
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358 realloc_post_list() |
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359 { |
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360 int nstate_max = (int)(post_end - post_start); |
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361 int new_max = nstate_max + 1000; |
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362 int *new_start; |
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363 int *old_start; |
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364 |
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365 new_start = (int *)lalloc(new_max * sizeof(int), TRUE); |
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366 if (new_start == NULL) |
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367 return FAIL; |
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368 mch_memmove(new_start, post_start, nstate_max * sizeof(int)); |
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369 vim_memset(new_start + nstate_max, 0, 1000 * sizeof(int)); |
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370 old_start = post_start; |
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371 post_start = new_start; |
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372 post_ptr = new_start + (post_ptr - old_start); |
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373 post_end = post_start + new_max; |
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374 vim_free(old_start); |
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375 return OK; |
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376 } |
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377 |
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378 /* |
| 4444 | 379 * Search between "start" and "end" and try to recognize a |
| 380 * character class in expanded form. For example [0-9]. | |
| 381 * On success, return the id the character class to be emitted. | |
| 382 * On failure, return 0 (=FAIL) | |
| 383 * Start points to the first char of the range, while end should point | |
| 384 * to the closing brace. | |
| 385 */ | |
| 386 static int | |
| 387 nfa_recognize_char_class(start, end, extra_newl) | |
| 388 char_u *start; | |
| 389 char_u *end; | |
| 390 int extra_newl; | |
| 391 { | |
|
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392 # define CLASS_not 0x80 |
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393 # define CLASS_af 0x40 |
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394 # define CLASS_AF 0x20 |
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395 # define CLASS_az 0x10 |
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396 # define CLASS_AZ 0x08 |
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397 # define CLASS_o7 0x04 |
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398 # define CLASS_o9 0x02 |
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399 # define CLASS_underscore 0x01 |
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400 |
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401 int newl = FALSE; |
| 4444 | 402 char_u *p; |
|
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403 int config = 0; |
| 4444 | 404 |
| 405 if (extra_newl == TRUE) | |
| 406 newl = TRUE; | |
| 407 | |
| 408 if (*end != ']') | |
| 409 return FAIL; | |
| 410 p = start; | |
| 411 if (*p == '^') | |
| 412 { | |
|
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413 config |= CLASS_not; |
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414 p++; |
| 4444 | 415 } |
| 416 | |
| 417 while (p < end) | |
| 418 { | |
| 419 if (p + 2 < end && *(p + 1) == '-') | |
| 420 { | |
| 421 switch (*p) | |
| 422 { | |
| 423 case '0': | |
| 424 if (*(p + 2) == '9') | |
| 425 { | |
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426 config |= CLASS_o9; |
| 4444 | 427 break; |
| 428 } | |
| 429 else | |
| 430 if (*(p + 2) == '7') | |
| 431 { | |
|
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432 config |= CLASS_o7; |
| 4444 | 433 break; |
| 434 } | |
| 435 case 'a': | |
| 436 if (*(p + 2) == 'z') | |
| 437 { | |
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438 config |= CLASS_az; |
| 4444 | 439 break; |
| 440 } | |
| 441 else | |
| 442 if (*(p + 2) == 'f') | |
| 443 { | |
|
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444 config |= CLASS_af; |
| 4444 | 445 break; |
| 446 } | |
| 447 case 'A': | |
| 448 if (*(p + 2) == 'Z') | |
| 449 { | |
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450 config |= CLASS_AZ; |
| 4444 | 451 break; |
| 452 } | |
| 453 else | |
| 454 if (*(p + 2) == 'F') | |
| 455 { | |
|
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456 config |= CLASS_AF; |
| 4444 | 457 break; |
| 458 } | |
| 459 /* FALLTHROUGH */ | |
| 460 default: | |
| 461 return FAIL; | |
| 462 } | |
| 463 p += 3; | |
| 464 } | |
| 465 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
| 466 { | |
| 467 newl = TRUE; | |
| 468 p += 2; | |
| 469 } | |
| 470 else if (*p == '_') | |
| 471 { | |
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472 config |= CLASS_underscore; |
| 4444 | 473 p ++; |
| 474 } | |
| 475 else if (*p == '\n') | |
| 476 { | |
| 477 newl = TRUE; | |
| 478 p ++; | |
| 479 } | |
| 480 else | |
| 481 return FAIL; | |
| 482 } /* while (p < end) */ | |
| 483 | |
| 484 if (p != end) | |
| 485 return FAIL; | |
| 486 | |
| 487 if (newl == TRUE) | |
|
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488 extra_newl = ADD_NL; |
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489 |
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490 switch (config) |
| 4444 | 491 { |
|
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492 case CLASS_o9: |
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493 return extra_newl + NFA_DIGIT; |
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494 case CLASS_not | CLASS_o9: |
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495 return extra_newl + NFA_NDIGIT; |
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496 case CLASS_af | CLASS_AF | CLASS_o9: |
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497 return extra_newl + NFA_HEX; |
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498 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9: |
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499 return extra_newl + NFA_NHEX; |
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500 case CLASS_o7: |
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501 return extra_newl + NFA_OCTAL; |
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502 case CLASS_not | CLASS_o7: |
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503 return extra_newl + NFA_NOCTAL; |
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504 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
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505 return extra_newl + NFA_WORD; |
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506 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
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507 return extra_newl + NFA_NWORD; |
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508 case CLASS_az | CLASS_AZ | CLASS_underscore: |
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509 return extra_newl + NFA_HEAD; |
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510 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore: |
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511 return extra_newl + NFA_NHEAD; |
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512 case CLASS_az | CLASS_AZ: |
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513 return extra_newl + NFA_ALPHA; |
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514 case CLASS_not | CLASS_az | CLASS_AZ: |
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515 return extra_newl + NFA_NALPHA; |
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516 case CLASS_az: |
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517 return extra_newl + NFA_LOWER; |
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518 case CLASS_not | CLASS_az: |
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519 return extra_newl + NFA_NLOWER; |
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520 case CLASS_AZ: |
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521 return extra_newl + NFA_UPPER; |
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522 case CLASS_not | CLASS_AZ: |
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523 return extra_newl + NFA_NUPPER; |
| 4444 | 524 } |
| 525 return FAIL; | |
| 526 } | |
| 527 | |
| 528 /* | |
| 529 * Produce the bytes for equivalence class "c". | |
| 530 * Currently only handles latin1, latin9 and utf-8. | |
| 531 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
| 532 * equivalent to 'a OR b OR c' | |
| 533 * | |
| 534 * NOTE! When changing this function, also update reg_equi_class() | |
| 535 */ | |
| 536 static int | |
| 537 nfa_emit_equi_class(c, neg) | |
| 538 int c; | |
| 539 int neg; | |
| 540 { | |
| 541 int first = TRUE; | |
| 542 int glue = neg == TRUE ? NFA_CONCAT : NFA_OR; | |
| 543 #define EMIT2(c) \ | |
| 544 EMIT(c); \ | |
| 545 if (neg == TRUE) { \ | |
| 546 EMIT(NFA_NOT); \ | |
| 547 } \ | |
| 548 if (first == FALSE) \ | |
| 549 EMIT(glue); \ | |
| 550 else \ | |
| 551 first = FALSE; \ | |
| 552 | |
| 553 #ifdef FEAT_MBYTE | |
| 554 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 | |
| 555 || STRCMP(p_enc, "iso-8859-15") == 0) | |
| 556 #endif | |
| 557 { | |
| 558 switch (c) | |
| 559 { | |
| 560 case 'A': case '\300': case '\301': case '\302': | |
| 561 case '\303': case '\304': case '\305': | |
| 562 EMIT2('A'); EMIT2('\300'); EMIT2('\301'); | |
| 563 EMIT2('\302'); EMIT2('\303'); EMIT2('\304'); | |
| 564 EMIT2('\305'); | |
| 565 return OK; | |
| 566 | |
| 567 case 'C': case '\307': | |
| 568 EMIT2('C'); EMIT2('\307'); | |
| 569 return OK; | |
| 570 | |
| 571 case 'E': case '\310': case '\311': case '\312': case '\313': | |
| 572 EMIT2('E'); EMIT2('\310'); EMIT2('\311'); | |
| 573 EMIT2('\312'); EMIT2('\313'); | |
| 574 return OK; | |
| 575 | |
| 576 case 'I': case '\314': case '\315': case '\316': case '\317': | |
| 577 EMIT2('I'); EMIT2('\314'); EMIT2('\315'); | |
| 578 EMIT2('\316'); EMIT2('\317'); | |
| 579 return OK; | |
| 580 | |
| 581 case 'N': case '\321': | |
| 582 EMIT2('N'); EMIT2('\321'); | |
| 583 return OK; | |
| 584 | |
| 585 case 'O': case '\322': case '\323': case '\324': case '\325': | |
| 586 case '\326': | |
| 587 EMIT2('O'); EMIT2('\322'); EMIT2('\323'); | |
| 588 EMIT2('\324'); EMIT2('\325'); EMIT2('\326'); | |
| 589 return OK; | |
| 590 | |
| 591 case 'U': case '\331': case '\332': case '\333': case '\334': | |
| 592 EMIT2('U'); EMIT2('\331'); EMIT2('\332'); | |
| 593 EMIT2('\333'); EMIT2('\334'); | |
| 594 return OK; | |
| 595 | |
| 596 case 'Y': case '\335': | |
| 597 EMIT2('Y'); EMIT2('\335'); | |
| 598 return OK; | |
| 599 | |
| 600 case 'a': case '\340': case '\341': case '\342': | |
| 601 case '\343': case '\344': case '\345': | |
| 602 EMIT2('a'); EMIT2('\340'); EMIT2('\341'); | |
| 603 EMIT2('\342'); EMIT2('\343'); EMIT2('\344'); | |
| 604 EMIT2('\345'); | |
| 605 return OK; | |
| 606 | |
| 607 case 'c': case '\347': | |
| 608 EMIT2('c'); EMIT2('\347'); | |
| 609 return OK; | |
| 610 | |
| 611 case 'e': case '\350': case '\351': case '\352': case '\353': | |
| 612 EMIT2('e'); EMIT2('\350'); EMIT2('\351'); | |
| 613 EMIT2('\352'); EMIT2('\353'); | |
| 614 return OK; | |
| 615 | |
| 616 case 'i': case '\354': case '\355': case '\356': case '\357': | |
| 617 EMIT2('i'); EMIT2('\354'); EMIT2('\355'); | |
| 618 EMIT2('\356'); EMIT2('\357'); | |
| 619 return OK; | |
| 620 | |
| 621 case 'n': case '\361': | |
| 622 EMIT2('n'); EMIT2('\361'); | |
| 623 return OK; | |
| 624 | |
| 625 case 'o': case '\362': case '\363': case '\364': case '\365': | |
| 626 case '\366': | |
| 627 EMIT2('o'); EMIT2('\362'); EMIT2('\363'); | |
| 628 EMIT2('\364'); EMIT2('\365'); EMIT2('\366'); | |
| 629 return OK; | |
| 630 | |
| 631 case 'u': case '\371': case '\372': case '\373': case '\374': | |
| 632 EMIT2('u'); EMIT2('\371'); EMIT2('\372'); | |
| 633 EMIT2('\373'); EMIT2('\374'); | |
| 634 return OK; | |
| 635 | |
| 636 case 'y': case '\375': case '\377': | |
| 637 EMIT2('y'); EMIT2('\375'); EMIT2('\377'); | |
| 638 return OK; | |
| 639 | |
| 640 default: | |
| 641 return FAIL; | |
| 642 } | |
| 643 } | |
| 644 | |
| 645 EMIT(c); | |
| 646 return OK; | |
| 647 #undef EMIT2 | |
| 648 } | |
| 649 | |
| 650 /* | |
| 651 * Code to parse regular expression. | |
| 652 * | |
| 653 * We try to reuse parsing functions in regexp.c to | |
| 654 * minimize surprise and keep the syntax consistent. | |
| 655 */ | |
| 656 | |
| 657 /* | |
| 658 * Parse the lowest level. | |
| 659 * | |
| 660 * An atom can be one of a long list of items. Many atoms match one character | |
| 661 * in the text. It is often an ordinary character or a character class. | |
| 662 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
| 663 * is only for syntax highlighting. | |
| 664 * | |
| 665 * atom ::= ordinary-atom | |
| 666 * or \( pattern \) | |
| 667 * or \%( pattern \) | |
| 668 * or \z( pattern \) | |
| 669 */ | |
| 670 static int | |
| 671 nfa_regatom() | |
| 672 { | |
| 673 int c; | |
| 674 int charclass; | |
| 675 int equiclass; | |
| 676 int collclass; | |
| 677 int got_coll_char; | |
| 678 char_u *p; | |
| 679 char_u *endp; | |
| 680 #ifdef FEAT_MBYTE | |
| 681 char_u *old_regparse = regparse; | |
| 682 #endif | |
| 683 int extra = 0; | |
| 684 int first; | |
| 685 int emit_range; | |
| 686 int negated; | |
| 687 int result; | |
| 688 int startc = -1; | |
| 689 int endc = -1; | |
| 690 int oldstartc = -1; | |
| 691 int glue; /* ID that will "glue" nodes together */ | |
| 692 | |
| 693 c = getchr(); | |
| 694 switch (c) | |
| 695 { | |
|
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696 case NUL: |
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697 syntax_error = TRUE; |
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698 EMSG_RET_FAIL(_("E865: (NFA) Regexp end encountered prematurely")); |
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699 |
| 4444 | 700 case Magic('^'): |
| 701 EMIT(NFA_BOL); | |
| 702 break; | |
| 703 | |
| 704 case Magic('$'): | |
| 705 EMIT(NFA_EOL); | |
| 706 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 707 had_eol = TRUE; | |
| 708 #endif | |
| 709 break; | |
| 710 | |
| 711 case Magic('<'): | |
| 712 EMIT(NFA_BOW); | |
| 713 break; | |
| 714 | |
| 715 case Magic('>'): | |
| 716 EMIT(NFA_EOW); | |
| 717 break; | |
| 718 | |
| 719 case Magic('_'): | |
| 720 c = no_Magic(getchr()); | |
| 721 if (c == '^') /* "\_^" is start-of-line */ | |
| 722 { | |
| 723 EMIT(NFA_BOL); | |
| 724 break; | |
| 725 } | |
| 726 if (c == '$') /* "\_$" is end-of-line */ | |
| 727 { | |
| 728 EMIT(NFA_EOL); | |
| 729 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 730 had_eol = TRUE; | |
| 731 #endif | |
| 732 break; | |
| 733 } | |
| 734 | |
| 735 extra = ADD_NL; | |
| 736 | |
| 737 /* "\_[" is collection plus newline */ | |
| 738 if (c == '[') | |
|
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents:
4515
diff
changeset
|
739 goto collection; |
| 4444 | 740 |
| 741 /* "\_x" is character class plus newline */ | |
| 742 /*FALLTHROUGH*/ | |
| 743 | |
| 744 /* | |
| 745 * Character classes. | |
| 746 */ | |
| 747 case Magic('.'): | |
| 748 case Magic('i'): | |
| 749 case Magic('I'): | |
| 750 case Magic('k'): | |
| 751 case Magic('K'): | |
| 752 case Magic('f'): | |
| 753 case Magic('F'): | |
| 754 case Magic('p'): | |
| 755 case Magic('P'): | |
| 756 case Magic('s'): | |
| 757 case Magic('S'): | |
| 758 case Magic('d'): | |
| 759 case Magic('D'): | |
| 760 case Magic('x'): | |
| 761 case Magic('X'): | |
| 762 case Magic('o'): | |
| 763 case Magic('O'): | |
| 764 case Magic('w'): | |
| 765 case Magic('W'): | |
| 766 case Magic('h'): | |
| 767 case Magic('H'): | |
| 768 case Magic('a'): | |
| 769 case Magic('A'): | |
| 770 case Magic('l'): | |
| 771 case Magic('L'): | |
| 772 case Magic('u'): | |
| 773 case Magic('U'): | |
| 774 p = vim_strchr(classchars, no_Magic(c)); | |
| 775 if (p == NULL) | |
| 776 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
777 EMSGN("INTERNAL: Unknown character class char: %ld", c); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
778 return FAIL; |
| 4444 | 779 } |
| 780 #ifdef FEAT_MBYTE | |
| 781 /* When '.' is followed by a composing char ignore the dot, so that | |
| 782 * the composing char is matched here. */ | |
| 783 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) | |
| 784 { | |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
785 old_regparse = regparse; |
| 4444 | 786 c = getchr(); |
| 787 goto nfa_do_multibyte; | |
| 788 } | |
| 789 #endif | |
| 790 EMIT(nfa_classcodes[p - classchars]); | |
| 791 if (extra == ADD_NL) | |
| 792 { | |
| 793 EMIT(NFA_NEWL); | |
| 794 EMIT(NFA_OR); | |
| 795 regflags |= RF_HASNL; | |
| 796 } | |
| 797 break; | |
| 798 | |
| 799 case Magic('n'): | |
| 800 if (reg_string) | |
| 801 /* In a string "\n" matches a newline character. */ | |
| 802 EMIT(NL); | |
| 803 else | |
| 804 { | |
| 805 /* In buffer text "\n" matches the end of a line. */ | |
| 806 EMIT(NFA_NEWL); | |
| 807 regflags |= RF_HASNL; | |
| 808 } | |
| 809 break; | |
| 810 | |
| 811 case Magic('('): | |
| 812 if (nfa_reg(REG_PAREN) == FAIL) | |
| 813 return FAIL; /* cascaded error */ | |
| 814 break; | |
| 815 | |
| 816 case Magic('|'): | |
| 817 case Magic('&'): | |
| 818 case Magic(')'): | |
| 819 syntax_error = TRUE; | |
| 4450 | 820 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 821 return FAIL; |
| 822 | |
| 823 case Magic('='): | |
| 824 case Magic('?'): | |
| 825 case Magic('+'): | |
| 826 case Magic('@'): | |
| 827 case Magic('*'): | |
| 828 case Magic('{'): | |
| 829 /* these should follow an atom, not form an atom */ | |
| 830 syntax_error = TRUE; | |
| 4450 | 831 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 832 return FAIL; |
| 833 | |
|
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
834 case Magic('~'): |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
835 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
836 char_u *lp; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
837 |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
838 /* Previous substitute pattern. |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
839 * Generated as "\%(pattern\)". */ |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
840 if (reg_prev_sub == NULL) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
841 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
842 EMSG(_(e_nopresub)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
843 return FAIL; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
844 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
845 for (lp = reg_prev_sub; *lp != NUL; mb_cptr_adv(lp)) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
846 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
847 EMIT(PTR2CHAR(lp)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
848 if (lp != reg_prev_sub) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
849 EMIT(NFA_CONCAT); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
850 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
851 EMIT(NFA_NOPEN); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
852 break; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
853 } |
| 4444 | 854 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
855 case Magic('1'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
856 case Magic('2'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
857 case Magic('3'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
858 case Magic('4'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
859 case Magic('5'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
860 case Magic('6'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
861 case Magic('7'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
862 case Magic('8'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
863 case Magic('9'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
864 EMIT(NFA_BACKREF1 + (no_Magic(c) - '1')); |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
865 nfa_has_backref = TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
866 break; |
| 4444 | 867 |
| 868 case Magic('z'): | |
| 869 c = no_Magic(getchr()); | |
| 870 switch (c) | |
| 871 { | |
| 872 case 's': | |
| 873 EMIT(NFA_ZSTART); | |
| 874 break; | |
| 875 case 'e': | |
| 876 EMIT(NFA_ZEND); | |
| 877 nfa_has_zend = TRUE; | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
878 break; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
879 #ifdef FEAT_SYN_HL |
| 4444 | 880 case '1': |
| 881 case '2': | |
| 882 case '3': | |
| 883 case '4': | |
| 884 case '5': | |
| 885 case '6': | |
| 886 case '7': | |
| 887 case '8': | |
| 888 case '9': | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
889 /* \z1...\z9 */ |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
890 if (reg_do_extmatch != REX_USE) |
|
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
891 EMSG_RET_FAIL(_(e_z1_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
892 EMIT(NFA_ZREF1 + (no_Magic(c) - '1')); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
893 /* No need to set 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
|
894 * change when \z1 .. \z9 matches or not. */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
895 re_has_z = REX_USE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
896 break; |
| 4444 | 897 case '(': |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
898 /* \z( */ |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
899 if (reg_do_extmatch != REX_SET) |
|
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
900 EMSG_RET_FAIL(_(e_z_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
901 if (nfa_reg(REG_ZPAREN) == FAIL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
902 return FAIL; /* cascaded error */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
903 re_has_z = REX_SET; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
904 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
905 #endif |
| 4444 | 906 default: |
| 907 syntax_error = TRUE; | |
| 4450 | 908 EMSGN(_("E867: (NFA) Unknown operator '\\z%c'"), |
| 4444 | 909 no_Magic(c)); |
| 910 return FAIL; | |
| 911 } | |
| 912 break; | |
| 913 | |
| 914 case Magic('%'): | |
| 915 c = no_Magic(getchr()); | |
| 916 switch (c) | |
| 917 { | |
| 918 /* () without a back reference */ | |
| 919 case '(': | |
| 920 if (nfa_reg(REG_NPAREN) == FAIL) | |
| 921 return FAIL; | |
| 922 EMIT(NFA_NOPEN); | |
| 923 break; | |
| 924 | |
| 925 case 'd': /* %d123 decimal */ | |
| 926 case 'o': /* %o123 octal */ | |
| 927 case 'x': /* %xab hex 2 */ | |
| 928 case 'u': /* %uabcd hex 4 */ | |
| 929 case 'U': /* %U1234abcd hex 8 */ | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
930 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
931 int nr; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
932 |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
933 switch (c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
934 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
935 case 'd': nr = getdecchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
936 case 'o': nr = getoctchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
937 case 'x': nr = gethexchrs(2); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
938 case 'u': nr = gethexchrs(4); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
939 case 'U': nr = gethexchrs(8); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
940 default: nr = -1; break; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
941 } |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
942 |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
943 if (nr < 0) |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
944 EMSG2_RET_FAIL( |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
945 _("E678: Invalid character after %s%%[dxouU]"), |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
946 reg_magic == MAGIC_ALL); |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
947 /* TODO: what if a composing character follows? */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
948 EMIT(nr); |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
949 } |
| 4444 | 950 break; |
| 951 | |
| 952 /* Catch \%^ and \%$ regardless of where they appear in the | |
| 953 * pattern -- regardless of whether or not it makes sense. */ | |
| 954 case '^': | |
| 955 EMIT(NFA_BOF); | |
| 956 break; | |
| 957 | |
| 958 case '$': | |
| 959 EMIT(NFA_EOF); | |
| 960 break; | |
| 961 | |
| 962 case '#': | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
963 EMIT(NFA_CURSOR); |
| 4444 | 964 break; |
| 965 | |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
966 #ifdef FEAT_VISUAL |
| 4444 | 967 case 'V': |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
968 EMIT(NFA_VISUAL); |
| 4444 | 969 break; |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
970 #endif |
| 4444 | 971 |
| 972 case '[': | |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
973 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
974 int n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
975 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
976 /* \%[abc] */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
977 for (n = 0; (c = getchr()) != ']'; ++n) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
978 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
979 if (c == NUL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
980 EMSG2_RET_FAIL(_(e_missing_sb), |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
981 reg_magic == MAGIC_ALL); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
982 EMIT(c); |
|
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983 } |
|
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984 EMIT(NFA_OPT_CHARS); |
|
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|
985 EMIT(n); |
|
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|
986 break; |
|
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|
987 } |
|
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|
988 |
| 4444 | 989 default: |
|
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|
990 { |
|
4655
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4651
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|
991 int n = 0; |
|
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|
992 int cmp = c; |
|
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|
993 |
|
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|
994 if (c == '<' || c == '>') |
|
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|
995 c = getchr(); |
|
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|
996 while (VIM_ISDIGIT(c)) |
|
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|
997 { |
|
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|
998 n = n * 10 + (c - '0'); |
|
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999 c = getchr(); |
|
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|
1000 } |
|
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|
1001 if (c == 'l' || c == 'c' || c == 'v') |
|
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|
1002 { |
|
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|
1003 if (c == 'l') |
|
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|
1004 /* \%{n}l \%{n}<l \%{n}>l */ |
|
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|
1005 EMIT(cmp == '<' ? NFA_LNUM_LT : |
|
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|
1006 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM); |
|
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1007 else if (c == 'c') |
|
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|
1008 /* \%{n}c \%{n}<c \%{n}>c */ |
|
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|
1009 EMIT(cmp == '<' ? NFA_COL_LT : |
|
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|
1010 cmp == '>' ? NFA_COL_GT : NFA_COL); |
|
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1011 else |
|
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|
1012 /* \%{n}v \%{n}<v \%{n}>v */ |
|
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|
1013 EMIT(cmp == '<' ? NFA_VCOL_LT : |
|
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1014 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); |
|
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|
1015 EMIT(n); |
|
4583
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|
1016 break; |
|
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1017 } |
|
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1018 else if (c == '\'' && n == 0) |
|
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1019 { |
|
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1020 /* \%'m \%<'m \%>'m */ |
|
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1021 EMIT(cmp == '<' ? NFA_MARK_LT : |
|
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|
1022 cmp == '>' ? NFA_MARK_GT : NFA_MARK); |
|
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|
1023 EMIT(getchr()); |
|
4732
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1024 break; |
|
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|
1025 } |
|
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1026 } |
|
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|
1027 syntax_error = TRUE; |
|
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|
1028 EMSGN(_("E867: (NFA) Unknown operator '\\%%%c'"), |
|
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|
1029 no_Magic(c)); |
| 4444 | 1030 return FAIL; |
| 1031 } | |
| 1032 break; | |
| 1033 | |
| 1034 case Magic('['): | |
|
4517
9a2183bd8295
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|
1035 collection: |
| 4444 | 1036 /* |
| 1037 * Glue is emitted between several atoms from the []. | |
| 1038 * It is either NFA_OR, or NFA_CONCAT. | |
| 1039 * | |
| 1040 * [abc] expands to 'a b NFA_OR c NFA_OR' (in postfix notation) | |
| 1041 * [^abc] expands to 'a NFA_NOT b NFA_NOT NFA_CONCAT c NFA_NOT | |
| 1042 * NFA_CONCAT NFA_END_NEG_RANGE NFA_CONCAT' (in postfix | |
| 1043 * notation) | |
| 1044 * | |
| 1045 */ | |
| 1046 | |
| 1047 | |
| 1048 /* Emit negation atoms, if needed. | |
| 1049 * The CONCAT below merges the NOT with the previous node. */ | |
| 1050 #define TRY_NEG() \ | |
| 1051 if (negated == TRUE) \ | |
| 1052 { \ | |
| 1053 EMIT(NFA_NOT); \ | |
| 1054 } | |
| 1055 | |
| 1056 /* Emit glue between important nodes : CONCAT or OR. */ | |
| 1057 #define EMIT_GLUE() \ | |
| 1058 if (first == FALSE) \ | |
| 1059 EMIT(glue); \ | |
| 1060 else \ | |
| 1061 first = FALSE; | |
| 1062 | |
| 1063 p = regparse; | |
| 1064 endp = skip_anyof(p); | |
| 1065 if (*endp == ']') | |
| 1066 { | |
| 1067 /* | |
| 1068 * Try to reverse engineer character classes. For example, | |
| 1069 * recognize that [0-9] stands for \d and [A-Za-z_] with \h, | |
| 1070 * and perform the necessary substitutions in the NFA. | |
| 1071 */ | |
| 1072 result = nfa_recognize_char_class(regparse, endp, | |
| 1073 extra == ADD_NL); | |
| 1074 if (result != FAIL) | |
| 1075 { | |
| 1076 if (result >= NFA_DIGIT && result <= NFA_NUPPER) | |
| 1077 EMIT(result); | |
| 1078 else /* must be char class + newline */ | |
| 1079 { | |
| 1080 EMIT(result - ADD_NL); | |
| 1081 EMIT(NFA_NEWL); | |
| 1082 EMIT(NFA_OR); | |
| 1083 } | |
| 1084 regparse = endp; | |
|
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|
1085 mb_ptr_adv(regparse); |
| 4444 | 1086 return OK; |
| 1087 } | |
| 1088 /* | |
| 1089 * Failed to recognize a character class. Use the simple | |
| 1090 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
| 1091 */ | |
| 1092 startc = endc = oldstartc = -1; | |
| 1093 first = TRUE; /* Emitting first atom in this sequence? */ | |
| 1094 negated = FALSE; | |
| 1095 glue = NFA_OR; | |
| 1096 if (*regparse == '^') /* negated range */ | |
| 1097 { | |
| 1098 negated = TRUE; | |
| 1099 glue = NFA_CONCAT; | |
|
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|
1100 mb_ptr_adv(regparse); |
| 4444 | 1101 } |
| 1102 if (*regparse == '-') | |
| 1103 { | |
| 1104 startc = '-'; | |
| 1105 EMIT(startc); | |
| 1106 TRY_NEG(); | |
| 1107 EMIT_GLUE(); | |
|
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|
1108 mb_ptr_adv(regparse); |
| 4444 | 1109 } |
| 1110 /* Emit the OR branches for each character in the [] */ | |
| 1111 emit_range = FALSE; | |
| 1112 while (regparse < endp) | |
| 1113 { | |
| 1114 oldstartc = startc; | |
| 1115 startc = -1; | |
| 1116 got_coll_char = FALSE; | |
| 1117 if (*regparse == '[') | |
| 1118 { | |
| 1119 /* Check for [: :], [= =], [. .] */ | |
| 1120 equiclass = collclass = 0; | |
| 1121 charclass = get_char_class(®parse); | |
| 1122 if (charclass == CLASS_NONE) | |
| 1123 { | |
| 1124 equiclass = get_equi_class(®parse); | |
| 1125 if (equiclass == 0) | |
| 1126 collclass = get_coll_element(®parse); | |
| 1127 } | |
| 1128 | |
| 1129 /* Character class like [:alpha:] */ | |
| 1130 if (charclass != CLASS_NONE) | |
| 1131 { | |
| 1132 switch (charclass) | |
| 1133 { | |
| 1134 case CLASS_ALNUM: | |
| 1135 EMIT(NFA_CLASS_ALNUM); | |
| 1136 break; | |
| 1137 case CLASS_ALPHA: | |
| 1138 EMIT(NFA_CLASS_ALPHA); | |
| 1139 break; | |
| 1140 case CLASS_BLANK: | |
| 1141 EMIT(NFA_CLASS_BLANK); | |
| 1142 break; | |
| 1143 case CLASS_CNTRL: | |
| 1144 EMIT(NFA_CLASS_CNTRL); | |
| 1145 break; | |
| 1146 case CLASS_DIGIT: | |
| 1147 EMIT(NFA_CLASS_DIGIT); | |
| 1148 break; | |
| 1149 case CLASS_GRAPH: | |
| 1150 EMIT(NFA_CLASS_GRAPH); | |
| 1151 break; | |
| 1152 case CLASS_LOWER: | |
| 1153 EMIT(NFA_CLASS_LOWER); | |
| 1154 break; | |
| 1155 case CLASS_PRINT: | |
| 1156 EMIT(NFA_CLASS_PRINT); | |
| 1157 break; | |
| 1158 case CLASS_PUNCT: | |
| 1159 EMIT(NFA_CLASS_PUNCT); | |
| 1160 break; | |
| 1161 case CLASS_SPACE: | |
| 1162 EMIT(NFA_CLASS_SPACE); | |
| 1163 break; | |
| 1164 case CLASS_UPPER: | |
| 1165 EMIT(NFA_CLASS_UPPER); | |
| 1166 break; | |
| 1167 case CLASS_XDIGIT: | |
| 1168 EMIT(NFA_CLASS_XDIGIT); | |
| 1169 break; | |
| 1170 case CLASS_TAB: | |
| 1171 EMIT(NFA_CLASS_TAB); | |
| 1172 break; | |
| 1173 case CLASS_RETURN: | |
| 1174 EMIT(NFA_CLASS_RETURN); | |
| 1175 break; | |
| 1176 case CLASS_BACKSPACE: | |
| 1177 EMIT(NFA_CLASS_BACKSPACE); | |
| 1178 break; | |
| 1179 case CLASS_ESCAPE: | |
| 1180 EMIT(NFA_CLASS_ESCAPE); | |
| 1181 break; | |
| 1182 } | |
| 1183 TRY_NEG(); | |
| 1184 EMIT_GLUE(); | |
| 1185 continue; | |
| 1186 } | |
| 1187 /* Try equivalence class [=a=] and the like */ | |
| 1188 if (equiclass != 0) | |
| 1189 { | |
| 1190 result = nfa_emit_equi_class(equiclass, negated); | |
| 1191 if (result == FAIL) | |
| 1192 { | |
| 1193 /* should never happen */ | |
| 1194 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); | |
| 1195 } | |
| 1196 EMIT_GLUE(); | |
| 1197 continue; | |
| 1198 } | |
| 1199 /* Try collating class like [. .] */ | |
| 1200 if (collclass != 0) | |
| 1201 { | |
| 1202 startc = collclass; /* allow [.a.]-x as a range */ | |
| 1203 /* Will emit the proper atom at the end of the | |
| 1204 * while loop. */ | |
| 1205 } | |
| 1206 } | |
|
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|
1207 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a |
|
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1208 * start character. */ |
|
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|
1209 if (*regparse == '-' && oldstartc != -1) |
| 4444 | 1210 { |
| 1211 emit_range = TRUE; | |
| 1212 startc = oldstartc; | |
|
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|
1213 mb_ptr_adv(regparse); |
| 4444 | 1214 continue; /* reading the end of the range */ |
| 1215 } | |
| 1216 | |
| 1217 /* Now handle simple and escaped characters. | |
| 1218 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
| 1219 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
| 1220 * 'cpoptions' is not included. | |
| 1221 * Posix doesn't recognize backslash at all. | |
| 1222 */ | |
| 1223 if (*regparse == '\\' | |
|
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|
1224 && !reg_cpo_bsl |
| 4444 | 1225 && regparse + 1 <= endp |
| 1226 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
|
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|
1227 || (!reg_cpo_lit |
| 4444 | 1228 && vim_strchr(REGEXP_ABBR, regparse[1]) |
| 1229 != NULL) | |
| 1230 ) | |
| 1231 ) | |
| 1232 { | |
|
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|
1233 mb_ptr_adv(regparse); |
| 4444 | 1234 |
|
4507
9dbbddb2ed10
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|
1235 if (*regparse == 'n') |
| 4444 | 1236 startc = reg_string ? NL : NFA_NEWL; |
| 1237 else | |
| 1238 if (*regparse == 'd' | |
| 1239 || *regparse == 'o' | |
| 1240 || *regparse == 'x' | |
| 1241 || *regparse == 'u' | |
| 1242 || *regparse == 'U' | |
| 1243 ) | |
| 1244 { | |
| 1245 /* TODO(RE) This needs more testing */ | |
| 1246 startc = coll_get_char(); | |
| 1247 got_coll_char = TRUE; | |
|
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|
1248 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1249 } |
| 1250 else | |
| 1251 { | |
| 1252 /* \r,\t,\e,\b */ | |
| 1253 startc = backslash_trans(*regparse); | |
| 1254 } | |
| 1255 } | |
| 1256 | |
| 1257 /* Normal printable char */ | |
| 1258 if (startc == -1) | |
|
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|
1259 startc = PTR2CHAR(regparse); |
| 4444 | 1260 |
| 1261 /* Previous char was '-', so this char is end of range. */ | |
| 1262 if (emit_range) | |
| 1263 { | |
|
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1264 endc = startc; |
|
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|
1265 startc = oldstartc; |
| 4444 | 1266 if (startc > endc) |
| 1267 EMSG_RET_FAIL(_(e_invrange)); | |
| 1268 #ifdef FEAT_MBYTE | |
| 1269 if (has_mbyte && ((*mb_char2len)(startc) > 1 | |
| 1270 || (*mb_char2len)(endc) > 1)) | |
| 1271 { | |
| 1272 if (endc > startc + 256) | |
| 1273 EMSG_RET_FAIL(_(e_invrange)); | |
| 1274 /* Emit the range. "startc" was already emitted, so | |
| 1275 * skip it. */ | |
| 1276 for (c = startc + 1; c <= endc; c++) | |
| 1277 { | |
|
4527
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|
1278 EMIT(c); |
| 4444 | 1279 TRY_NEG(); |
| 1280 EMIT_GLUE(); | |
| 1281 } | |
| 1282 } | |
| 1283 else | |
| 1284 #endif | |
| 1285 { | |
| 1286 #ifdef EBCDIC | |
| 1287 int alpha_only = FALSE; | |
| 1288 | |
| 1289 /* for alphabetical range skip the gaps | |
| 1290 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
| 1291 if (isalpha(startc) && isalpha(endc)) | |
| 1292 alpha_only = TRUE; | |
| 1293 #endif | |
| 1294 /* Emit the range. "startc" was already emitted, so | |
| 1295 * skip it. */ | |
| 1296 for (c = startc + 1; c <= endc; c++) | |
| 1297 #ifdef EBCDIC | |
| 1298 if (!alpha_only || isalpha(startc)) | |
| 1299 #endif | |
| 1300 { | |
| 1301 EMIT(c); | |
| 1302 TRY_NEG(); | |
| 1303 EMIT_GLUE(); | |
| 1304 } | |
| 1305 } | |
|
4677
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1306 emit_range = FALSE; |
|
c1622ff9ed8d
updated for version 7.3.1086
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parents:
4675
diff
changeset
|
1307 startc = -1; |
| 4444 | 1308 } |
| 1309 else | |
| 1310 { | |
| 1311 /* | |
| 1312 * This char (startc) is not part of a range. Just | |
| 1313 * emit it. | |
| 1314 * | |
| 1315 * Normally, simply emit startc. But if we get char | |
| 1316 * code=0 from a collating char, then replace it with | |
| 1317 * 0x0a. | |
| 1318 * | |
| 1319 * This is needed to completely mimic the behaviour of | |
| 1320 * the backtracking engine. | |
| 1321 */ | |
| 1322 if (got_coll_char == TRUE && startc == 0) | |
| 1323 EMIT(0x0a); | |
| 1324 else | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1325 EMIT(startc); |
| 4444 | 1326 TRY_NEG(); |
| 1327 EMIT_GLUE(); | |
| 1328 } | |
| 1329 | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1330 mb_ptr_adv(regparse); |
| 4444 | 1331 } /* while (p < endp) */ |
| 1332 | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1333 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1334 if (*regparse == '-') /* if last, '-' is just a char */ |
| 1335 { | |
| 1336 EMIT('-'); | |
| 1337 TRY_NEG(); | |
| 1338 EMIT_GLUE(); | |
| 1339 } | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1340 mb_ptr_adv(regparse); |
| 4444 | 1341 |
| 1342 /* skip the trailing ] */ | |
| 1343 regparse = endp; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1344 mb_ptr_adv(regparse); |
| 4444 | 1345 if (negated == TRUE) |
| 1346 { | |
| 1347 /* Mark end of negated char range */ | |
| 1348 EMIT(NFA_END_NEG_RANGE); | |
| 1349 EMIT(NFA_CONCAT); | |
| 1350 } | |
|
4615
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1351 |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1352 /* \_[] also matches \n but it's not negated */ |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1353 if (extra == ADD_NL) |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1354 { |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1355 EMIT(reg_string ? NL : NFA_NEWL); |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1356 EMIT(NFA_OR); |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1357 } |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1358 |
| 4444 | 1359 return OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1360 } /* if exists closing ] */ |
|
432a6b8c7d93
updated for version 7.3.1012
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parents:
4527
diff
changeset
|
1361 |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1362 if (reg_strict) |
| 4444 | 1363 { |
| 1364 syntax_error = TRUE; | |
| 1365 EMSG_RET_FAIL(_(e_missingbracket)); | |
| 1366 } | |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1367 /* FALLTHROUGH */ |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1368 |
| 4444 | 1369 default: |
| 1370 { | |
| 1371 #ifdef FEAT_MBYTE | |
| 1372 int plen; | |
| 1373 | |
| 1374 nfa_do_multibyte: | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1375 /* plen is length of current char with composing chars */ |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1376 if (enc_utf8 && ((*mb_char2len)(c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1377 != (plen = (*mb_ptr2len)(old_regparse)) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1378 || utf_iscomposing(c))) |
| 4444 | 1379 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1380 int i = 0; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1381 |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
1382 /* A base character plus composing characters, or just one |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
1383 * or more composing characters. |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1384 * This requires creating a separate atom as if enclosing |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1385 * the characters in (), where NFA_COMPOSING is the ( and |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1386 * NFA_END_COMPOSING is the ). Note that right now we are |
| 4444 | 1387 * building the postfix form, not the NFA itself; |
| 1388 * a composing char could be: a, b, c, NFA_COMPOSING | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1389 * where 'b' and 'c' are chars with codes > 256. */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1390 for (;;) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1391 { |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
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diff
changeset
|
1392 EMIT(c); |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1393 if (i > 0) |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1394 EMIT(NFA_CONCAT); |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1395 if ((i += utf_char2len(c)) >= plen) |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1396 break; |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1397 c = utf_ptr2char(old_regparse + i); |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1398 } |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1399 EMIT(NFA_COMPOSING); |
| 4444 | 1400 regparse = old_regparse + plen; |
| 1401 } | |
| 1402 else | |
| 1403 #endif | |
| 1404 { | |
| 1405 c = no_Magic(c); | |
| 1406 EMIT(c); | |
| 1407 } | |
| 1408 return OK; | |
| 1409 } | |
| 1410 } | |
| 1411 | |
| 1412 #undef TRY_NEG | |
| 1413 #undef EMIT_GLUE | |
| 1414 | |
| 1415 return OK; | |
| 1416 } | |
| 1417 | |
| 1418 /* | |
| 1419 * Parse something followed by possible [*+=]. | |
| 1420 * | |
| 1421 * A piece is an atom, possibly followed by a multi, an indication of how many | |
| 1422 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
| 1423 * characters: "", "a", "aa", etc. | |
| 1424 * | |
| 1425 * piece ::= atom | |
| 1426 * or atom multi | |
| 1427 */ | |
| 1428 static int | |
| 1429 nfa_regpiece() | |
| 1430 { | |
| 1431 int i; | |
| 1432 int op; | |
| 1433 int ret; | |
| 1434 long minval, maxval; | |
| 1435 int greedy = TRUE; /* Braces are prefixed with '-' ? */ | |
|
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1436 parse_state_T old_state; |
|
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1437 parse_state_T new_state; |
| 4444 | 1438 int c2; |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
1439 int old_post_pos; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
1440 int my_post_start; |
| 4444 | 1441 int quest; |
| 1442 | |
|
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1443 /* Save the current parse state, so that we can use it if <atom>{m,n} is |
|
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1444 * next. */ |
|
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1445 save_parse_state(&old_state); |
|
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1446 |
| 4444 | 1447 /* store current pos in the postfix form, for \{m,n} involving 0s */ |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
1448 my_post_start = (int)(post_ptr - post_start); |
| 4444 | 1449 |
| 1450 ret = nfa_regatom(); | |
| 1451 if (ret == FAIL) | |
| 1452 return FAIL; /* cascaded error */ | |
| 1453 | |
| 1454 op = peekchr(); | |
| 1455 if (re_multi_type(op) == NOT_MULTI) | |
| 1456 return OK; | |
| 1457 | |
| 1458 skipchr(); | |
| 1459 switch (op) | |
| 1460 { | |
| 1461 case Magic('*'): | |
| 1462 EMIT(NFA_STAR); | |
| 1463 break; | |
| 1464 | |
| 1465 case Magic('+'): | |
| 1466 /* | |
| 1467 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
| 1468 * first and only submatch would be "aaa". But the backtracking | |
| 1469 * engine interprets the plus as "try matching one more time", and | |
| 1470 * a* matches a second time at the end of the input, the empty | |
| 1471 * string. | |
| 1472 * The submatch will the empty string. | |
| 1473 * | |
|
4673
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
1474 * In order to be consistent with the old engine, we replace |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
1475 * <atom>+ with <atom><atom>* |
| 4444 | 1476 */ |
|
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1477 restore_parse_state(&old_state); |
| 4444 | 1478 curchr = -1; |
| 1479 if (nfa_regatom() == FAIL) | |
| 1480 return FAIL; | |
| 1481 EMIT(NFA_STAR); | |
| 1482 EMIT(NFA_CONCAT); | |
| 1483 skipchr(); /* skip the \+ */ | |
| 1484 break; | |
| 1485 | |
| 1486 case Magic('@'): | |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1487 c2 = getdecchrs(); |
| 4444 | 1488 op = no_Magic(getchr()); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1489 i = 0; |
| 4444 | 1490 switch(op) |
| 1491 { | |
| 1492 case '=': | |
|
4682
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1493 /* \@= */ |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1494 i = NFA_PREV_ATOM_NO_WIDTH; |
| 4444 | 1495 break; |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
1496 case '!': |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1497 /* \@! */ |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1498 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
1499 break; |
| 4444 | 1500 case '<': |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1501 op = no_Magic(getchr()); |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1502 if (op == '=') |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1503 /* \@<= */ |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1504 i = NFA_PREV_ATOM_JUST_BEFORE; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1505 else if (op == '!') |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1506 /* \@<! */ |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1507 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1508 break; |
| 4444 | 1509 case '>': |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
1510 /* \@> */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
1511 i = NFA_PREV_ATOM_LIKE_PATTERN; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
1512 break; |
| 4444 | 1513 } |
|
4682
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1514 if (i == 0) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1515 { |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1516 syntax_error = TRUE; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1517 EMSGN(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1518 return FAIL; |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
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diff
changeset
|
1519 } |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
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diff
changeset
|
1520 EMIT(i); |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1521 if (i == NFA_PREV_ATOM_JUST_BEFORE |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1522 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1523 EMIT(c2); |
| 4444 | 1524 break; |
| 1525 | |
| 1526 case Magic('?'): | |
| 1527 case Magic('='): | |
| 1528 EMIT(NFA_QUEST); | |
| 1529 break; | |
| 1530 | |
| 1531 case Magic('{'): | |
| 1532 /* a{2,5} will expand to 'aaa?a?a?' | |
| 1533 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy | |
| 1534 * version of '?' | |
| 1535 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the | |
| 1536 * parenthesis have the same id | |
| 1537 */ | |
| 1538 | |
| 1539 greedy = TRUE; | |
| 1540 c2 = peekchr(); | |
| 1541 if (c2 == '-' || c2 == Magic('-')) | |
| 1542 { | |
| 1543 skipchr(); | |
| 1544 greedy = FALSE; | |
| 1545 } | |
| 1546 if (!read_limits(&minval, &maxval)) | |
| 1547 { | |
| 1548 syntax_error = TRUE; | |
| 1549 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
| 1550 } | |
| 1551 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to | |
| 1552 * <atom>* */ | |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
1553 if (minval == 0 && maxval == MAX_LIMIT) |
| 4444 | 1554 { |
|
4675
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|
1555 if (greedy) |
|
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|
1556 /* \{}, \{0,} */ |
|
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|
1557 EMIT(NFA_STAR); |
|
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|
1558 else |
|
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|
1559 /* \{-}, \{-0,} */ |
|
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|
1560 EMIT(NFA_STAR_NONGREEDY); |
| 4444 | 1561 break; |
| 1562 } | |
| 1563 | |
| 1564 /* Special case: x{0} or x{-0} */ | |
| 1565 if (maxval == 0) | |
| 1566 { | |
| 1567 /* Ignore result of previous call to nfa_regatom() */ | |
|
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|
1568 post_ptr = post_start + my_post_start; |
| 4444 | 1569 /* NFA_SKIP_CHAR has 0-length and works everywhere */ |
| 1570 EMIT(NFA_SKIP_CHAR); | |
| 1571 return OK; | |
| 1572 } | |
| 1573 | |
| 1574 /* Ignore previous call to nfa_regatom() */ | |
|
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|
1575 post_ptr = post_start + my_post_start; |
|
4679
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|
1576 /* Save parse state after the repeated atom and the \{} */ |
|
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|
1577 save_parse_state(&new_state); |
| 4444 | 1578 |
| 1579 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
| 1580 for (i = 0; i < maxval; i++) | |
| 1581 { | |
| 1582 /* Goto beginning of the repeated atom */ | |
|
4679
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|
1583 restore_parse_state(&old_state); |
|
4651
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|
1584 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1585 if (nfa_regatom() == FAIL) |
| 1586 return FAIL; | |
| 1587 /* after "minval" times, atoms are optional */ | |
| 1588 if (i + 1 > minval) | |
|
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|
1589 { |
|
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|
1590 if (maxval == MAX_LIMIT) |
|
4675
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|
1591 { |
|
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|
1592 if (greedy) |
|
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|
1593 EMIT(NFA_STAR); |
|
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|
1594 else |
|
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|
1595 EMIT(NFA_STAR_NONGREEDY); |
|
811a4c9b51d8
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|
1596 } |
|
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05d57d7c2d55
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|
1597 else |
|
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|
1598 EMIT(quest); |
|
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|
1599 } |
|
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|
1600 if (old_post_pos != my_post_start) |
| 4444 | 1601 EMIT(NFA_CONCAT); |
|
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|
1602 if (i + 1 > minval && maxval == MAX_LIMIT) |
|
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|
1603 break; |
| 4444 | 1604 } |
| 1605 | |
| 1606 /* Go to just after the repeated atom and the \{} */ | |
|
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|
1607 restore_parse_state(&new_state); |
| 4444 | 1608 curchr = -1; |
| 1609 | |
| 1610 break; | |
| 1611 | |
| 1612 | |
| 1613 default: | |
| 1614 break; | |
| 1615 } /* end switch */ | |
| 1616 | |
| 1617 if (re_multi_type(peekchr()) != NOT_MULTI) | |
| 1618 { | |
| 1619 /* Can't have a multi follow a multi. */ | |
| 1620 syntax_error = TRUE; | |
| 1621 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi !")); | |
| 1622 } | |
| 1623 | |
| 1624 return OK; | |
| 1625 } | |
| 1626 | |
| 1627 /* | |
| 1628 * Parse one or more pieces, concatenated. It matches a match for the | |
| 1629 * first piece, followed by a match for the second piece, etc. Example: | |
| 1630 * "f[0-9]b", first matches "f", then a digit and then "b". | |
| 1631 * | |
| 1632 * concat ::= piece | |
| 1633 * or piece piece | |
| 1634 * or piece piece piece | |
| 1635 * etc. | |
| 1636 */ | |
| 1637 static int | |
| 1638 nfa_regconcat() | |
| 1639 { | |
| 1640 int cont = TRUE; | |
| 1641 int first = TRUE; | |
| 1642 | |
| 1643 while (cont) | |
| 1644 { | |
| 1645 switch (peekchr()) | |
| 1646 { | |
| 1647 case NUL: | |
| 1648 case Magic('|'): | |
| 1649 case Magic('&'): | |
| 1650 case Magic(')'): | |
| 1651 cont = FALSE; | |
| 1652 break; | |
| 1653 | |
| 1654 case Magic('Z'): | |
| 1655 #ifdef FEAT_MBYTE | |
| 1656 regflags |= RF_ICOMBINE; | |
| 1657 #endif | |
| 1658 skipchr_keepstart(); | |
| 1659 break; | |
| 1660 case Magic('c'): | |
| 1661 regflags |= RF_ICASE; | |
| 1662 skipchr_keepstart(); | |
| 1663 break; | |
| 1664 case Magic('C'): | |
| 1665 regflags |= RF_NOICASE; | |
| 1666 skipchr_keepstart(); | |
| 1667 break; | |
| 1668 case Magic('v'): | |
| 1669 reg_magic = MAGIC_ALL; | |
| 1670 skipchr_keepstart(); | |
| 1671 curchr = -1; | |
| 1672 break; | |
| 1673 case Magic('m'): | |
| 1674 reg_magic = MAGIC_ON; | |
| 1675 skipchr_keepstart(); | |
| 1676 curchr = -1; | |
| 1677 break; | |
| 1678 case Magic('M'): | |
| 1679 reg_magic = MAGIC_OFF; | |
| 1680 skipchr_keepstart(); | |
| 1681 curchr = -1; | |
| 1682 break; | |
| 1683 case Magic('V'): | |
| 1684 reg_magic = MAGIC_NONE; | |
| 1685 skipchr_keepstart(); | |
| 1686 curchr = -1; | |
| 1687 break; | |
| 1688 | |
| 1689 default: | |
| 1690 if (nfa_regpiece() == FAIL) | |
| 1691 return FAIL; | |
| 1692 if (first == FALSE) | |
| 1693 EMIT(NFA_CONCAT); | |
| 1694 else | |
| 1695 first = FALSE; | |
| 1696 break; | |
| 1697 } | |
| 1698 } | |
| 1699 | |
| 1700 return OK; | |
| 1701 } | |
| 1702 | |
| 1703 /* | |
| 1704 * Parse a branch, one or more concats, separated by "\&". It matches the | |
| 1705 * last concat, but only if all the preceding concats also match at the same | |
| 1706 * position. Examples: | |
| 1707 * "foobeep\&..." matches "foo" in "foobeep". | |
| 1708 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
| 1709 * | |
| 1710 * branch ::= concat | |
| 1711 * or concat \& concat | |
| 1712 * or concat \& concat \& concat | |
| 1713 * etc. | |
| 1714 */ | |
| 1715 static int | |
| 1716 nfa_regbranch() | |
| 1717 { | |
| 1718 int ch; | |
|
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|
1719 int old_post_pos; |
|
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|
1720 |
|
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|
1721 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1722 |
| 1723 /* First branch, possibly the only one */ | |
| 1724 if (nfa_regconcat() == FAIL) | |
| 1725 return FAIL; | |
| 1726 | |
| 1727 ch = peekchr(); | |
| 1728 /* Try next concats */ | |
| 1729 while (ch == Magic('&')) | |
| 1730 { | |
| 1731 skipchr(); | |
| 1732 EMIT(NFA_NOPEN); | |
| 1733 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
|
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|
1734 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1735 if (nfa_regconcat() == FAIL) |
| 1736 return FAIL; | |
| 1737 /* if concat is empty, skip a input char. But do emit a node */ | |
|
4651
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|
1738 if (old_post_pos == (int)(post_ptr - post_start)) |
| 4444 | 1739 EMIT(NFA_SKIP_CHAR); |
| 1740 EMIT(NFA_CONCAT); | |
| 1741 ch = peekchr(); | |
| 1742 } | |
| 1743 | |
| 1744 /* Even if a branch is empty, emit one node for it */ | |
|
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|
1745 if (old_post_pos == (int)(post_ptr - post_start)) |
| 4444 | 1746 EMIT(NFA_SKIP_CHAR); |
| 1747 | |
| 1748 return OK; | |
| 1749 } | |
| 1750 | |
| 1751 /* | |
| 1752 * Parse a pattern, one or more branches, separated by "\|". It matches | |
| 1753 * anything that matches one of the branches. Example: "foo\|beep" matches | |
| 1754 * "foo" and matches "beep". If more than one branch matches, the first one | |
| 1755 * is used. | |
| 1756 * | |
| 1757 * pattern ::= branch | |
| 1758 * or branch \| branch | |
| 1759 * or branch \| branch \| branch | |
| 1760 * etc. | |
| 1761 */ | |
| 1762 static int | |
| 1763 nfa_reg(paren) | |
| 1764 int paren; /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ | |
| 1765 { | |
| 1766 int parno = 0; | |
| 1767 | |
| 1768 if (paren == REG_PAREN) | |
| 1769 { | |
| 1770 if (regnpar >= NSUBEXP) /* Too many `(' */ | |
| 1771 { | |
| 1772 syntax_error = TRUE; | |
| 1773 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); | |
| 1774 } | |
| 1775 parno = regnpar++; | |
| 1776 } | |
|
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|
1777 #ifdef FEAT_SYN_HL |
|
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|
1778 else if (paren == REG_ZPAREN) |
|
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|
1779 { |
|
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|
1780 /* Make a ZOPEN node. */ |
|
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|
1781 if (regnzpar >= NSUBEXP) |
|
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|
1782 { |
|
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|
1783 syntax_error = TRUE; |
|
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|
1784 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
|
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|
1785 } |
|
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|
1786 parno = regnzpar++; |
|
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|
1787 } |
|
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|
1788 #endif |
| 4444 | 1789 |
| 1790 if (nfa_regbranch() == FAIL) | |
| 1791 return FAIL; /* cascaded error */ | |
| 1792 | |
| 1793 while (peekchr() == Magic('|')) | |
| 1794 { | |
| 1795 skipchr(); | |
| 1796 if (nfa_regbranch() == FAIL) | |
| 1797 return FAIL; /* cascaded error */ | |
| 1798 EMIT(NFA_OR); | |
| 1799 } | |
| 1800 | |
| 1801 /* Check for proper termination. */ | |
| 1802 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
| 1803 { | |
| 1804 syntax_error = TRUE; | |
| 1805 if (paren == REG_NPAREN) | |
| 1806 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
| 1807 else | |
| 1808 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
| 1809 } | |
| 1810 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
| 1811 { | |
| 1812 syntax_error = TRUE; | |
| 1813 if (peekchr() == Magic(')')) | |
| 1814 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
| 1815 else | |
| 1816 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
| 1817 } | |
| 1818 /* | |
| 1819 * Here we set the flag allowing back references to this set of | |
| 1820 * parentheses. | |
| 1821 */ | |
| 1822 if (paren == REG_PAREN) | |
| 1823 { | |
| 1824 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
| 1825 EMIT(NFA_MOPEN + parno); | |
| 1826 } | |
|
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1827 #ifdef FEAT_SYN_HL |
|
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1828 else if (paren == REG_ZPAREN) |
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1829 EMIT(NFA_ZOPEN + parno); |
|
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1830 #endif |
| 4444 | 1831 |
| 1832 return OK; | |
| 1833 } | |
| 1834 | |
| 1835 #ifdef DEBUG | |
| 1836 static char_u code[50]; | |
| 1837 | |
| 1838 static void | |
| 1839 nfa_set_code(c) | |
| 1840 int c; | |
| 1841 { | |
| 1842 int addnl = FALSE; | |
| 1843 | |
| 1844 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
| 1845 { | |
| 1846 addnl = TRUE; | |
| 1847 c -= ADD_NL; | |
| 1848 } | |
| 1849 | |
| 1850 STRCPY(code, ""); | |
| 1851 switch (c) | |
| 1852 { | |
| 1853 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
| 1854 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
| 1855 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
| 1856 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
| 1857 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
| 1858 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
| 1859 | |
|
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1860 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
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|
1861 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
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1862 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
|
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1863 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
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1864 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
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1865 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
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1866 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
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1867 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
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1868 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break; |
|
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1869 #ifdef FEAT_SYN_HL |
|
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1870 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
|
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1871 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
|
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1872 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1873 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1874 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1875 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
|
8db697ae406a
updated for version 7.3.1090
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parents:
4682
diff
changeset
|
1876 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1877 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
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4682
diff
changeset
|
1878 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1879 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1880 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1881 |
| 4444 | 1882 case NFA_PREV_ATOM_NO_WIDTH: |
| 1883 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
|
1884 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1885 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
|
1886 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1887 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1888 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1889 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
|
1890 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
1891 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
1892 |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
1893 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
1894 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
| 4444 | 1895 case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break; |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1896 case NFA_START_INVISIBLE_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1897 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
1898 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break; |
| 4444 | 1899 case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
1900 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break; |
| 4444 | 1901 |
| 1902 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
| 1903 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
|
1904 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break; |
| 4444 | 1905 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1906 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1907 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1908 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1909 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1910 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1911 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1912 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1913 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1914 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1915 case NFA_MOPEN9: |
| 4444 | 1916 STRCPY(code, "NFA_MOPEN(x)"); |
| 1917 code[10] = c - NFA_MOPEN + '0'; | |
| 1918 break; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1919 case NFA_MCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1920 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1921 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1922 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1923 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1924 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1925 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1926 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1927 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1928 case NFA_MCLOSE9: |
| 4444 | 1929 STRCPY(code, "NFA_MCLOSE(x)"); |
| 1930 code[11] = c - NFA_MCLOSE + '0'; | |
| 1931 break; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1932 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1933 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1934 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1935 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1936 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1937 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1938 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1939 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1940 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1941 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1942 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1943 STRCPY(code, "NFA_ZOPEN(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1944 code[10] = c - NFA_ZOPEN + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1945 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1946 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1947 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1948 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1949 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1950 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1951 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1952 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1953 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1954 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1955 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1956 STRCPY(code, "NFA_ZCLOSE(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1957 code[11] = c - NFA_ZCLOSE + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1958 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1959 #endif |
| 4444 | 1960 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
| 1961 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
| 1962 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
| 1963 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
|
1964 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
1965 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
|
1966 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1967 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
|
1968 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
|
1969 case NFA_COL: STRCPY(code, "NFA_COL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1970 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
|
1971 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
|
1972 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1973 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
|
1974 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
|
1975 case NFA_MARK: STRCPY(code, "NFA_MARK "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1976 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
|
1977 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
|
1978 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break; |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
1979 #ifdef FEAT_VISUAL |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1980 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break; |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
1981 #endif |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1982 |
| 4444 | 1983 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
|
1984 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
|
1985 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
1986 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
| 4444 | 1987 case NFA_NOT: STRCPY(code, "NFA_NOT "); break; |
| 1988 case NFA_SKIP_CHAR: STRCPY(code, "NFA_SKIP_CHAR"); break; | |
| 1989 case NFA_OR: STRCPY(code, "NFA_OR"); break; | |
| 1990 case NFA_END_NEG_RANGE: STRCPY(code, "NFA_END_NEG_RANGE"); break; | |
| 1991 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; | |
| 1992 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
| 1993 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
| 1994 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
| 1995 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
| 1996 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
| 1997 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
| 1998 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
| 1999 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
| 2000 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
| 2001 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
| 2002 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
| 2003 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
| 2004 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
| 2005 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
| 2006 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break; | |
| 2007 | |
| 2008 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
| 2009 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
| 2010 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
| 2011 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
| 2012 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
| 2013 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
| 2014 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
| 2015 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
| 2016 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
| 2017 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
| 2018 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
| 2019 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
| 2020 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
| 2021 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
| 2022 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
| 2023 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
| 2024 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
| 2025 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
| 2026 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
| 2027 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
| 2028 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
| 2029 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
| 2030 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
| 2031 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
| 2032 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
| 2033 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
| 2034 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
| 2035 | |
| 2036 default: | |
| 2037 STRCPY(code, "CHAR(x)"); | |
| 2038 code[5] = c; | |
| 2039 } | |
| 2040 | |
| 2041 if (addnl == TRUE) | |
| 2042 STRCAT(code, " + NEWLINE "); | |
| 2043 | |
| 2044 } | |
| 2045 | |
| 2046 #ifdef ENABLE_LOG | |
| 2047 static FILE *log_fd; | |
| 2048 | |
| 2049 /* | |
| 2050 * Print the postfix notation of the current regexp. | |
| 2051 */ | |
| 2052 static void | |
| 2053 nfa_postfix_dump(expr, retval) | |
| 2054 char_u *expr; | |
| 2055 int retval; | |
| 2056 { | |
| 2057 int *p; | |
| 2058 FILE *f; | |
| 2059 | |
|
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2060 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2061 if (f != NULL) |
| 2062 { | |
| 2063 fprintf(f, "\n-------------------------\n"); | |
| 2064 if (retval == FAIL) | |
| 2065 fprintf(f, ">>> NFA engine failed ... \n"); | |
| 2066 else if (retval == OK) | |
| 2067 fprintf(f, ">>> NFA engine succeeded !\n"); | |
| 2068 fprintf(f, "Regexp: \"%s\"\nPostfix notation (char): \"", expr); | |
| 4464 | 2069 for (p = post_start; *p && p < post_end; p++) |
| 4444 | 2070 { |
| 2071 nfa_set_code(*p); | |
| 2072 fprintf(f, "%s, ", code); | |
| 2073 } | |
| 2074 fprintf(f, "\"\nPostfix notation (int): "); | |
| 4464 | 2075 for (p = post_start; *p && p < post_end; p++) |
| 4444 | 2076 fprintf(f, "%d ", *p); |
| 2077 fprintf(f, "\n\n"); | |
| 2078 fclose(f); | |
| 2079 } | |
| 2080 } | |
| 2081 | |
| 2082 /* | |
| 2083 * Print the NFA starting with a root node "state". | |
| 2084 */ | |
| 2085 static void | |
|
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2086 nfa_print_state(debugf, state) |
| 4444 | 2087 FILE *debugf; |
| 2088 nfa_state_T *state; | |
| 2089 { | |
|
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2090 garray_T indent; |
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2091 |
|
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2092 ga_init2(&indent, 1, 64); |
|
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2093 ga_append(&indent, '\0'); |
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2094 nfa_print_state2(debugf, state, &indent); |
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2095 ga_clear(&indent); |
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2096 } |
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2097 |
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2098 static void |
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2099 nfa_print_state2(debugf, state, indent) |
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2100 FILE *debugf; |
|
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2101 nfa_state_T *state; |
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2102 garray_T *indent; |
|
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2103 { |
|
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2104 char_u *p; |
| 4444 | 2105 |
| 2106 if (state == NULL) | |
| 2107 return; | |
| 2108 | |
| 2109 fprintf(debugf, "(%2d)", abs(state->id)); | |
|
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2110 |
|
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2111 /* Output indent */ |
|
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2112 p = (char_u *)indent->ga_data; |
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2113 if (indent->ga_len >= 3) |
|
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2114 { |
|
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2115 int last = indent->ga_len - 3; |
|
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2116 char_u save[2]; |
|
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2117 |
|
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2118 STRNCPY(save, &p[last], 2); |
|
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2119 STRNCPY(&p[last], "+-", 2); |
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2120 fprintf(debugf, " %s", p); |
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2121 STRNCPY(&p[last], save, 2); |
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2122 } |
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2123 else |
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2124 fprintf(debugf, " %s", p); |
| 4444 | 2125 |
| 2126 nfa_set_code(state->c); | |
|
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2127 fprintf(debugf, "%s%s (%d) (id=%d)\n", |
|
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2128 state->negated ? "NOT " : "", code, state->c, abs(state->id)); |
| 4444 | 2129 if (state->id < 0) |
| 2130 return; | |
| 2131 | |
| 2132 state->id = abs(state->id) * -1; | |
|
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2133 |
|
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2134 /* grow indent for state->out */ |
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2135 indent->ga_len -= 1; |
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|
2136 if (state->out1) |
|
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2137 ga_concat(indent, (char_u *)"| "); |
|
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2138 else |
|
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2139 ga_concat(indent, (char_u *)" "); |
|
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|
2140 ga_append(indent, '\0'); |
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|
2141 |
|
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2142 nfa_print_state2(debugf, state->out, indent); |
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2143 |
|
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|
2144 /* replace last part of indent for state->out1 */ |
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|
2145 indent->ga_len -= 3; |
|
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|
2146 ga_concat(indent, (char_u *)" "); |
|
4533
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|
2147 ga_append(indent, '\0'); |
|
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2148 |
|
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|
2149 nfa_print_state2(debugf, state->out1, indent); |
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2150 |
|
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2151 /* shrink indent */ |
|
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2152 indent->ga_len -= 3; |
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|
2153 ga_append(indent, '\0'); |
| 4444 | 2154 } |
| 2155 | |
| 2156 /* | |
| 2157 * Print the NFA state machine. | |
| 2158 */ | |
| 2159 static void | |
| 2160 nfa_dump(prog) | |
| 2161 nfa_regprog_T *prog; | |
| 2162 { | |
|
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2163 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2164 |
| 2165 if (debugf != NULL) | |
| 2166 { | |
|
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|
2167 nfa_print_state(debugf, prog->start); |
| 4444 | 2168 fclose(debugf); |
| 2169 } | |
| 2170 } | |
| 2171 #endif /* ENABLE_LOG */ | |
| 2172 #endif /* DEBUG */ | |
| 2173 | |
| 2174 /* | |
| 2175 * Parse r.e. @expr and convert it into postfix form. | |
| 2176 * Return the postfix string on success, NULL otherwise. | |
| 2177 */ | |
| 2178 static int * | |
| 2179 re2post() | |
| 2180 { | |
| 2181 if (nfa_reg(REG_NOPAREN) == FAIL) | |
| 2182 return NULL; | |
| 2183 EMIT(NFA_MOPEN); | |
| 2184 return post_start; | |
| 2185 } | |
| 2186 | |
| 2187 /* NB. Some of the code below is inspired by Russ's. */ | |
| 2188 | |
| 2189 /* | |
| 2190 * Represents an NFA state plus zero or one or two arrows exiting. | |
| 2191 * if c == MATCH, no arrows out; matching state. | |
| 2192 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
| 2193 * If c < 256, labeled arrow with character c to out. | |
| 2194 */ | |
| 2195 | |
| 2196 static nfa_state_T *state_ptr; /* points to nfa_prog->state */ | |
| 2197 | |
| 2198 /* | |
| 2199 * Allocate and initialize nfa_state_T. | |
| 2200 */ | |
| 2201 static nfa_state_T * | |
|
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|
2202 alloc_state(c, out, out1) |
| 4444 | 2203 int c; |
| 2204 nfa_state_T *out; | |
| 2205 nfa_state_T *out1; | |
| 2206 { | |
| 2207 nfa_state_T *s; | |
| 2208 | |
| 2209 if (istate >= nstate) | |
| 2210 return NULL; | |
| 2211 | |
| 2212 s = &state_ptr[istate++]; | |
| 2213 | |
| 2214 s->c = c; | |
| 2215 s->out = out; | |
| 2216 s->out1 = out1; | |
| 2217 | |
| 2218 s->id = istate; | |
|
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2219 s->lastlist[0] = 0; |
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2220 s->lastlist[1] = 0; |
| 4444 | 2221 s->negated = FALSE; |
| 2222 | |
| 2223 return s; | |
| 2224 } | |
| 2225 | |
| 2226 /* | |
| 2227 * A partially built NFA without the matching state filled in. | |
| 2228 * Frag_T.start points at the start state. | |
| 2229 * Frag_T.out is a list of places that need to be set to the | |
| 2230 * next state for this fragment. | |
| 2231 */ | |
|
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2232 |
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2233 /* Since the out pointers in the list are always |
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2234 * uninitialized, we use the pointers themselves |
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2235 * as storage for the Ptrlists. */ |
| 4444 | 2236 typedef union Ptrlist Ptrlist; |
|
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2237 union Ptrlist |
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2238 { |
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2239 Ptrlist *next; |
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2240 nfa_state_T *s; |
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2241 }; |
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2242 |
| 4444 | 2243 struct Frag |
| 2244 { | |
|
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2245 nfa_state_T *start; |
| 4444 | 2246 Ptrlist *out; |
| 2247 }; | |
| 2248 typedef struct Frag Frag_T; | |
| 2249 | |
| 2250 static Frag_T frag __ARGS((nfa_state_T *start, Ptrlist *out)); | |
| 2251 static Ptrlist *list1 __ARGS((nfa_state_T **outp)); | |
| 2252 static void patch __ARGS((Ptrlist *l, nfa_state_T *s)); | |
| 2253 static Ptrlist *append __ARGS((Ptrlist *l1, Ptrlist *l2)); | |
| 2254 static void st_push __ARGS((Frag_T s, Frag_T **p, Frag_T *stack_end)); | |
| 2255 static Frag_T st_pop __ARGS((Frag_T **p, Frag_T *stack)); | |
| 2256 | |
| 2257 /* | |
| 4456 | 2258 * Initialize a Frag_T struct and return it. |
| 4444 | 2259 */ |
| 2260 static Frag_T | |
| 2261 frag(start, out) | |
| 2262 nfa_state_T *start; | |
| 2263 Ptrlist *out; | |
| 2264 { | |
| 4456 | 2265 Frag_T n; |
| 2266 | |
| 2267 n.start = start; | |
| 2268 n.out = out; | |
| 4444 | 2269 return n; |
| 2270 } | |
| 2271 | |
| 2272 /* | |
| 2273 * Create singleton list containing just outp. | |
| 2274 */ | |
| 2275 static Ptrlist * | |
| 2276 list1(outp) | |
| 2277 nfa_state_T **outp; | |
| 2278 { | |
| 2279 Ptrlist *l; | |
| 2280 | |
| 2281 l = (Ptrlist *)outp; | |
| 2282 l->next = NULL; | |
| 2283 return l; | |
| 2284 } | |
| 2285 | |
| 2286 /* | |
| 2287 * Patch the list of states at out to point to start. | |
| 2288 */ | |
| 2289 static void | |
| 2290 patch(l, s) | |
| 2291 Ptrlist *l; | |
| 2292 nfa_state_T *s; | |
| 2293 { | |
| 2294 Ptrlist *next; | |
| 2295 | |
| 2296 for (; l; l = next) | |
| 2297 { | |
| 2298 next = l->next; | |
| 2299 l->s = s; | |
| 2300 } | |
| 2301 } | |
| 2302 | |
| 2303 | |
| 2304 /* | |
| 2305 * Join the two lists l1 and l2, returning the combination. | |
| 2306 */ | |
| 2307 static Ptrlist * | |
| 2308 append(l1, l2) | |
| 2309 Ptrlist *l1; | |
| 2310 Ptrlist *l2; | |
| 2311 { | |
| 2312 Ptrlist *oldl1; | |
| 2313 | |
| 2314 oldl1 = l1; | |
| 2315 while (l1->next) | |
| 2316 l1 = l1->next; | |
| 2317 l1->next = l2; | |
| 2318 return oldl1; | |
| 2319 } | |
| 2320 | |
| 2321 /* | |
| 2322 * Stack used for transforming postfix form into NFA. | |
| 2323 */ | |
| 2324 static Frag_T empty; | |
| 2325 | |
| 2326 static void | |
| 2327 st_error(postfix, end, p) | |
|
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diff
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|
2328 int *postfix UNUSED; |
|
1be43c095aff
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4529
diff
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|
2329 int *end UNUSED; |
|
1be43c095aff
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4529
diff
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|
2330 int *p UNUSED; |
| 4444 | 2331 { |
|
4531
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4529
diff
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|
2332 #ifdef NFA_REGEXP_ERROR_LOG |
| 4444 | 2333 FILE *df; |
| 2334 int *p2; | |
| 2335 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
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4529
diff
changeset
|
2336 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
| 4444 | 2337 if (df) |
| 2338 { | |
| 2339 fprintf(df, "Error popping the stack!\n"); | |
| 2340 #ifdef DEBUG | |
| 2341 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr); | |
| 2342 #endif | |
| 2343 fprintf(df, "Postfix form is: "); | |
| 2344 #ifdef DEBUG | |
| 2345 for (p2 = postfix; p2 < end; p2++) | |
| 2346 { | |
| 2347 nfa_set_code(*p2); | |
| 2348 fprintf(df, "%s, ", code); | |
| 2349 } | |
| 2350 nfa_set_code(*p); | |
| 2351 fprintf(df, "\nCurrent position is: "); | |
| 2352 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2353 { | |
| 2354 nfa_set_code(*p2); | |
| 2355 fprintf(df, "%s, ", code); | |
| 2356 } | |
| 2357 #else | |
| 2358 for (p2 = postfix; p2 < end; p2++) | |
| 2359 { | |
| 2360 fprintf(df, "%d, ", *p2); | |
| 2361 } | |
| 2362 fprintf(df, "\nCurrent position is: "); | |
| 2363 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2364 { | |
| 2365 fprintf(df, "%d, ", *p2); | |
| 2366 } | |
| 2367 #endif | |
| 2368 fprintf(df, "\n--------------------------\n"); | |
| 2369 fclose(df); | |
| 2370 } | |
|
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diff
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|
2371 #endif |
| 4444 | 2372 EMSG(_("E874: (NFA) Could not pop the stack !")); |
| 2373 } | |
| 2374 | |
| 2375 /* | |
| 2376 * Push an item onto the stack. | |
| 2377 */ | |
| 2378 static void | |
| 2379 st_push(s, p, stack_end) | |
| 2380 Frag_T s; | |
| 2381 Frag_T **p; | |
| 2382 Frag_T *stack_end; | |
| 2383 { | |
| 2384 Frag_T *stackp = *p; | |
| 2385 | |
| 2386 if (stackp >= stack_end) | |
| 2387 return; | |
| 2388 *stackp = s; | |
| 2389 *p = *p + 1; | |
| 2390 } | |
| 2391 | |
| 2392 /* | |
| 2393 * Pop an item from the stack. | |
| 2394 */ | |
| 2395 static Frag_T | |
| 2396 st_pop(p, stack) | |
| 2397 Frag_T **p; | |
| 2398 Frag_T *stack; | |
| 2399 { | |
| 2400 Frag_T *stackp; | |
| 2401 | |
| 2402 *p = *p - 1; | |
| 2403 stackp = *p; | |
| 2404 if (stackp < stack) | |
| 2405 return empty; | |
| 2406 return **p; | |
| 2407 } | |
| 2408 | |
| 2409 /* | |
| 2410 * Convert a postfix form into its equivalent NFA. | |
| 2411 * Return the NFA start state on success, NULL otherwise. | |
| 2412 */ | |
| 2413 static nfa_state_T * | |
| 2414 post2nfa(postfix, end, nfa_calc_size) | |
| 2415 int *postfix; | |
| 2416 int *end; | |
| 2417 int nfa_calc_size; | |
| 2418 { | |
| 2419 int *p; | |
| 2420 int mopen; | |
| 2421 int mclose; | |
| 2422 Frag_T *stack = NULL; | |
| 2423 Frag_T *stackp = NULL; | |
| 2424 Frag_T *stack_end = NULL; | |
| 2425 Frag_T e1; | |
| 2426 Frag_T e2; | |
| 2427 Frag_T e; | |
| 2428 nfa_state_T *s; | |
| 2429 nfa_state_T *s1; | |
| 2430 nfa_state_T *matchstate; | |
| 4484 | 2431 nfa_state_T *ret = NULL; |
| 4444 | 2432 |
| 2433 if (postfix == NULL) | |
| 2434 return NULL; | |
| 2435 | |
| 4456 | 2436 #define PUSH(s) st_push((s), &stackp, stack_end) |
| 4444 | 2437 #define POP() st_pop(&stackp, stack); \ |
| 2438 if (stackp < stack) \ | |
| 2439 { \ | |
| 2440 st_error(postfix, end, p); \ | |
| 2441 return NULL; \ | |
| 2442 } | |
| 2443 | |
| 2444 if (nfa_calc_size == FALSE) | |
| 2445 { | |
| 2446 /* Allocate space for the stack. Max states on the stack : nstate */ | |
|
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diff
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|
2447 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE); |
| 4444 | 2448 stackp = stack; |
| 4462 | 2449 stack_end = stack + (nstate + 1); |
| 4444 | 2450 } |
| 2451 | |
| 2452 for (p = postfix; p < end; ++p) | |
| 2453 { | |
| 2454 switch (*p) | |
| 2455 { | |
| 2456 case NFA_CONCAT: | |
| 2457 /* Catenation. | |
| 2458 * Pay attention: this operator does not exist | |
| 2459 * in the r.e. itself (it is implicit, really). | |
| 2460 * It is added when r.e. is translated to postfix | |
| 2461 * form in re2post(). | |
| 2462 * | |
| 2463 * No new state added here. */ | |
| 2464 if (nfa_calc_size == TRUE) | |
| 2465 { | |
| 4458 | 2466 /* nstate += 0; */ |
| 4444 | 2467 break; |
| 2468 } | |
| 2469 e2 = POP(); | |
| 2470 e1 = POP(); | |
| 2471 patch(e1.out, e2.start); | |
| 2472 PUSH(frag(e1.start, e2.out)); | |
| 2473 break; | |
| 2474 | |
| 2475 case NFA_NOT: | |
| 2476 /* Negation of a character */ | |
| 2477 if (nfa_calc_size == TRUE) | |
| 2478 { | |
| 4458 | 2479 /* nstate += 0; */ |
| 4444 | 2480 break; |
| 2481 } | |
| 2482 e1 = POP(); | |
| 2483 e1.start->negated = TRUE; | |
|
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|
2484 #ifdef FEAT_MBYTE |
|
4527
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4525
diff
changeset
|
2485 if (e1.start->c == NFA_COMPOSING) |
| 4444 | 2486 e1.start->out1->negated = TRUE; |
|
4531
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diff
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|
2487 #endif |
| 4444 | 2488 PUSH(e1); |
| 2489 break; | |
| 2490 | |
| 2491 case NFA_OR: | |
| 2492 /* Alternation */ | |
| 2493 if (nfa_calc_size == TRUE) | |
| 2494 { | |
| 4458 | 2495 nstate++; |
| 4444 | 2496 break; |
| 2497 } | |
| 2498 e2 = POP(); | |
| 2499 e1 = POP(); | |
|
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|
2500 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
| 4444 | 2501 if (s == NULL) |
| 4484 | 2502 goto theend; |
| 4444 | 2503 PUSH(frag(s, append(e1.out, e2.out))); |
| 2504 break; | |
| 2505 | |
| 2506 case NFA_STAR: | |
|
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diff
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|
2507 /* Zero or more, prefer more */ |
| 4444 | 2508 if (nfa_calc_size == TRUE) |
| 2509 { | |
| 4458 | 2510 nstate++; |
| 4444 | 2511 break; |
| 2512 } | |
| 2513 e = POP(); | |
|
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diff
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|
2514 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 2515 if (s == NULL) |
| 4484 | 2516 goto theend; |
| 4444 | 2517 patch(e.out, s); |
| 2518 PUSH(frag(s, list1(&s->out1))); | |
| 2519 break; | |
| 2520 | |
|
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4673
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|
2521 case NFA_STAR_NONGREEDY: |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2522 /* Zero or more, prefer zero */ |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2523 if (nfa_calc_size == TRUE) |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2524 { |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2525 nstate++; |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2526 break; |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2527 } |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2528 e = POP(); |
|
4696
ed4e689bbea1
updated for version 7.3.1095
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4694
diff
changeset
|
2529 s = alloc_state(NFA_SPLIT, NULL, e.start); |
|
4675
811a4c9b51d8
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diff
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|
2530 if (s == NULL) |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2531 goto theend; |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2532 patch(e.out, s); |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2533 PUSH(frag(s, list1(&s->out))); |
|
811a4c9b51d8
updated for version 7.3.1085
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|
2534 break; |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2535 |
| 4444 | 2536 case NFA_QUEST: |
| 2537 /* one or zero atoms=> greedy match */ | |
| 2538 if (nfa_calc_size == TRUE) | |
| 2539 { | |
| 4458 | 2540 nstate++; |
| 4444 | 2541 break; |
| 2542 } | |
| 2543 e = POP(); | |
|
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4694
diff
changeset
|
2544 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 2545 if (s == NULL) |
| 4484 | 2546 goto theend; |
| 4444 | 2547 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
| 2548 break; | |
| 2549 | |
| 2550 case NFA_QUEST_NONGREEDY: | |
| 2551 /* zero or one atoms => non-greedy match */ | |
| 2552 if (nfa_calc_size == TRUE) | |
| 2553 { | |
| 4458 | 2554 nstate++; |
| 4444 | 2555 break; |
| 2556 } | |
| 2557 e = POP(); | |
|
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4694
diff
changeset
|
2558 s = alloc_state(NFA_SPLIT, NULL, e.start); |
| 4444 | 2559 if (s == NULL) |
| 4484 | 2560 goto theend; |
| 4444 | 2561 PUSH(frag(s, append(e.out, list1(&s->out)))); |
| 2562 break; | |
| 2563 | |
| 2564 case NFA_SKIP_CHAR: | |
| 2565 /* Symbol of 0-length, Used in a repetition | |
| 2566 * with max/min count of 0 */ | |
| 2567 if (nfa_calc_size == TRUE) | |
| 2568 { | |
| 4458 | 2569 nstate++; |
| 4444 | 2570 break; |
| 2571 } | |
|
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ed4e689bbea1
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4694
diff
changeset
|
2572 s = alloc_state(NFA_SKIP_CHAR, NULL, NULL); |
| 4444 | 2573 if (s == NULL) |
| 4484 | 2574 goto theend; |
| 4444 | 2575 PUSH(frag(s, list1(&s->out))); |
| 2576 break; | |
| 2577 | |
|
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97560c16ca99
updated for version 7.3.1117
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|
2578 case NFA_OPT_CHARS: |
|
97560c16ca99
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|
2579 { |
|
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updated for version 7.3.1117
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|
2580 int n; |
|
97560c16ca99
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diff
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|
2581 |
|
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updated for version 7.3.1117
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|
2582 /* \%[abc] */ |
|
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|
2583 n = *++p; /* get number of characters */ |
|
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|
2584 if (nfa_calc_size == TRUE) |
|
97560c16ca99
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|
2585 { |
|
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updated for version 7.3.1117
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|
2586 nstate += n; |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
2587 break; |
|
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updated for version 7.3.1117
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|
2588 } |
|
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updated for version 7.3.1117
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|
2589 e1.out = NULL; /* stores list with out1's */ |
|
97560c16ca99
updated for version 7.3.1117
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|
2590 s1 = NULL; /* previous NFA_SPLIT to connect to */ |
|
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|
2591 while (n-- > 0) |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
2592 { |
|
97560c16ca99
updated for version 7.3.1117
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|
2593 e = POP(); /* get character */ |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
2594 s = alloc_state(NFA_SPLIT, e.start, NULL); |
|
97560c16ca99
updated for version 7.3.1117
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|
2595 if (s == NULL) |
|
97560c16ca99
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changeset
|
2596 goto theend; |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
2597 if (e1.out == NULL) |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2598 e1 = e; |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2599 patch(e.out, s1); |
|
97560c16ca99
updated for version 7.3.1117
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4738
diff
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|
2600 append(e1.out, list1(&s->out1)); |
|
97560c16ca99
updated for version 7.3.1117
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4738
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|
2601 s1 = s; |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2602 } |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2603 PUSH(frag(s, e1.out)); |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2604 break; |
|
97560c16ca99
updated for version 7.3.1117
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changeset
|
2605 } |
|
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updated for version 7.3.1117
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|
2606 |
| 4444 | 2607 case NFA_PREV_ATOM_NO_WIDTH: |
|
4661
0dce3d812e7a
updated for version 7.3.1078
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4657
diff
changeset
|
2608 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
4682
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
2609 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2610 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2611 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2612 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2613 int neg = (*p == NFA_PREV_ATOM_NO_WIDTH_NEG |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2614 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2615 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2616 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2617 int pattern = (*p == NFA_PREV_ATOM_LIKE_PATTERN); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2618 int start_state = NFA_START_INVISIBLE; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2619 int end_state = NFA_END_INVISIBLE; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2620 int n = 0; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2621 nfa_state_T *zend; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2622 nfa_state_T *skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2623 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2624 if (before) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2625 start_state = NFA_START_INVISIBLE_BEFORE; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2626 else if (pattern) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2627 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2628 start_state = NFA_START_PATTERN; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2629 end_state = NFA_END_PATTERN; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2630 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2631 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2632 if (before) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2633 n = *++p; /* get the count */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2634 |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2635 /* 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
|
2636 * 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
|
2637 * The \@<= operator: match for the preceding atom. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2638 * The \@<! operator: no match for the preceding atom. |
| 4444 | 2639 * 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
|
2640 * END_INVISIBLE, similarly to MOPEN. */ |
| 4444 | 2641 |
| 2642 if (nfa_calc_size == TRUE) | |
| 2643 { | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2644 nstate += pattern ? 4 : 2; |
| 4444 | 2645 break; |
| 2646 } | |
| 2647 e = POP(); | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2648 s1 = alloc_state(end_state, NULL, NULL); |
| 4444 | 2649 if (s1 == NULL) |
| 4484 | 2650 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2651 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2652 s = alloc_state(start_state, e.start, s1); |
| 4444 | 2653 if (s == NULL) |
| 4484 | 2654 goto theend; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2655 if (neg) |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
2656 { |
|
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
2657 s->negated = TRUE; |
|
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
2658 s1->negated = TRUE; |
|
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
2659 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2660 if (before) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2661 s->val = n; /* store the count */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2662 if (pattern) |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2663 { |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2664 /* 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
|
2665 skip = alloc_state(NFA_SKIP, NULL, NULL); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2666 zend = alloc_state(NFA_ZEND, s1, NULL); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2667 s1->out= skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2668 patch(e.out, zend); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2669 PUSH(frag(s, list1(&skip->out))); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2670 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2671 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2672 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2673 patch(e.out, s1); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2674 PUSH(frag(s, list1(&s1->out))); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2675 } |
| 4444 | 2676 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2677 } |
| 4444 | 2678 |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2679 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2680 case NFA_COMPOSING: /* char with composing char */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2681 #if 0 |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2682 /* TODO */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2683 if (regflags & RF_ICOMBINE) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2684 { |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
2685 /* use the base character only */ |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2686 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2687 #endif |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2688 /* FALLTHROUGH */ |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2689 #endif |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2690 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2691 case NFA_MOPEN: /* \( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2692 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2693 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2694 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2695 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2696 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2697 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2698 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2699 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2700 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2701 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2702 case NFA_ZOPEN: /* \z( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2703 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2704 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2705 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2706 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2707 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2708 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2709 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2710 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2711 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2712 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2713 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */ |
| 4444 | 2714 if (nfa_calc_size == TRUE) |
| 2715 { | |
| 2716 nstate += 2; | |
| 2717 break; | |
| 2718 } | |
| 2719 | |
| 2720 mopen = *p; | |
| 2721 switch (*p) | |
| 2722 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2723 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2724 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2725 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2726 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2727 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2728 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2729 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2730 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2731 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2732 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2733 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2734 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2735 #endif |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2736 #ifdef FEAT_MBYTE |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2737 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
|
2738 #endif |
| 4444 | 2739 default: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2740 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */ |
| 4444 | 2741 mclose = *p + NSUBEXP; |
| 2742 break; | |
| 2743 } | |
| 2744 | |
| 2745 /* Allow "NFA_MOPEN" as a valid postfix representation for | |
| 2746 * the empty regexp "". In this case, the NFA will be | |
| 2747 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows | |
| 2748 * empty groups of parenthesis, and empty mbyte chars */ | |
| 2749 if (stackp == stack) | |
| 2750 { | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2751 s = alloc_state(mopen, NULL, NULL); |
| 4444 | 2752 if (s == NULL) |
| 4484 | 2753 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2754 s1 = alloc_state(mclose, NULL, NULL); |
| 4444 | 2755 if (s1 == NULL) |
| 4484 | 2756 goto theend; |
| 4444 | 2757 patch(list1(&s->out), s1); |
| 2758 PUSH(frag(s, list1(&s1->out))); | |
| 2759 break; | |
| 2760 } | |
| 2761 | |
| 2762 /* At least one node was emitted before NFA_MOPEN, so | |
| 2763 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */ | |
| 2764 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2765 s = alloc_state(mopen, e.start, NULL); /* `(' */ |
| 4444 | 2766 if (s == NULL) |
| 4484 | 2767 goto theend; |
| 4444 | 2768 |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2769 s1 = alloc_state(mclose, NULL, NULL); /* `)' */ |
| 4444 | 2770 if (s1 == NULL) |
| 4484 | 2771 goto theend; |
| 4444 | 2772 patch(e.out, s1); |
| 2773 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2774 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2775 if (mopen == NFA_COMPOSING) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2776 /* COMPOSING->out1 = END_COMPOSING */ |
| 4444 | 2777 patch(list1(&s->out1), s1); |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2778 #endif |
| 4444 | 2779 |
| 2780 PUSH(frag(s, list1(&s1->out))); | |
| 2781 break; | |
| 2782 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2783 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2784 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2785 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2786 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2787 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2788 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2789 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2790 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2791 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2792 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2793 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2794 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2795 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2796 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2797 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2798 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2799 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2800 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2801 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2802 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2803 if (nfa_calc_size == TRUE) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2804 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2805 nstate += 2; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2806 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2807 } |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2808 s = alloc_state(*p, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2809 if (s == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2810 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2811 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2812 if (s1 == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2813 goto theend; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2814 patch(list1(&s->out), s1); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2815 PUSH(frag(s, list1(&s1->out))); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2816 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2817 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2818 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2819 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2820 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2821 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2822 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2823 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2824 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2825 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2826 case NFA_COL_LT: |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2827 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2828 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2829 case NFA_MARK_LT: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2830 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2831 int n = *++p; /* lnum, col or mark name */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2832 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2833 if (nfa_calc_size == TRUE) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2834 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2835 nstate += 1; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2836 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2837 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2838 s = alloc_state(p[-1], NULL, NULL); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2839 if (s == NULL) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2840 goto theend; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2841 s->val = n; |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2842 PUSH(frag(s, list1(&s->out))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2843 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2844 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2845 |
| 4444 | 2846 case NFA_ZSTART: |
| 2847 case NFA_ZEND: | |
| 2848 default: | |
| 2849 /* Operands */ | |
| 2850 if (nfa_calc_size == TRUE) | |
| 2851 { | |
| 4458 | 2852 nstate++; |
| 4444 | 2853 break; |
| 2854 } | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2855 s = alloc_state(*p, NULL, NULL); |
| 4444 | 2856 if (s == NULL) |
| 4484 | 2857 goto theend; |
| 4444 | 2858 PUSH(frag(s, list1(&s->out))); |
| 2859 break; | |
| 2860 | |
| 2861 } /* switch(*p) */ | |
| 2862 | |
| 2863 } /* for(p = postfix; *p; ++p) */ | |
| 2864 | |
| 2865 if (nfa_calc_size == TRUE) | |
| 2866 { | |
| 4458 | 2867 nstate++; |
| 4484 | 2868 goto theend; /* Return value when counting size is ignored anyway */ |
| 4444 | 2869 } |
| 2870 | |
| 2871 e = POP(); | |
| 2872 if (stackp != stack) | |
| 2873 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); | |
| 2874 | |
| 2875 if (istate >= nstate) | |
| 2876 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); | |
| 2877 | |
| 2878 matchstate = &state_ptr[istate++]; /* the match state */ | |
| 2879 matchstate->c = NFA_MATCH; | |
| 2880 matchstate->out = matchstate->out1 = NULL; | |
| 2881 | |
| 2882 patch(e.out, matchstate); | |
| 4484 | 2883 ret = e.start; |
| 2884 | |
| 2885 theend: | |
| 2886 vim_free(stack); | |
| 2887 return ret; | |
| 4444 | 2888 |
| 2889 #undef POP1 | |
| 2890 #undef PUSH1 | |
| 2891 #undef POP2 | |
| 2892 #undef PUSH2 | |
| 2893 #undef POP | |
| 2894 #undef PUSH | |
| 2895 } | |
| 2896 | |
| 2897 /**************************************************************** | |
| 2898 * NFA execution code. | |
| 2899 ****************************************************************/ | |
| 2900 | |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2901 typedef struct |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2902 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2903 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
|
2904 |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2905 /* 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
|
2906 union |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2907 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2908 struct multipos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2909 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2910 lpos_T start; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2911 lpos_T end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2912 } multi[NSUBEXP]; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2913 struct linepos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2914 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2915 char_u *start; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2916 char_u *end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2917 } line[NSUBEXP]; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2918 } list; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2919 } regsub_T; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2920 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2921 typedef struct |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2922 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2923 regsub_T norm; /* \( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2924 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2925 regsub_T synt; /* \z( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2926 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2927 } regsubs_T; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2928 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2929 /* nfa_pim_T stores a Postponed Invisible Match. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2930 typedef struct nfa_pim_S nfa_pim_T; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2931 struct nfa_pim_S |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2932 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2933 nfa_state_T *state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2934 int result; /* NFA_PIM_TODO, NFA_PIM_[NO]MATCH */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2935 nfa_pim_T *pim; /* another PIM at the same position */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2936 regsubs_T subs; /* submatch info, only party used */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2937 }; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2938 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2939 /* Values for done in nfa_pim_T. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2940 #define NFA_PIM_TODO 0 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2941 #define NFA_PIM_MATCH 1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2942 #define NFA_PIM_NOMATCH -1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2943 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2944 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
2945 /* 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
|
2946 typedef struct |
| 4444 | 2947 { |
| 2948 nfa_state_T *state; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2949 int count; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2950 nfa_pim_T *pim; /* if not NULL: postponed invisible match */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2951 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
|
2952 } nfa_thread_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
2953 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
2954 /* nfa_list_T contains the alternative NFA execution states. */ |
| 4444 | 2955 typedef struct |
| 2956 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2957 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
|
2958 int n; /* nr of states currently in "t" */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2959 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
|
2960 int id; /* ID of the list */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
2961 } nfa_list_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
2962 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2963 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2964 static void log_subsexpr __ARGS((regsubs_T *subs)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2965 static void log_subexpr __ARGS((regsub_T *sub)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2966 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2967 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2968 log_subsexpr(subs) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2969 regsubs_T *subs; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2970 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2971 log_subexpr(&subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2972 # ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2973 log_subexpr(&subs->synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2974 # endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2975 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2976 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2977 static void |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2978 log_subexpr(sub) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2979 regsub_T *sub; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2980 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2981 int j; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2982 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2983 for (j = 0; j < sub->in_use; j++) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2984 if (REG_MULTI) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2985 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
|
2986 j, |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2987 sub->list.multi[j].start.col, |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2988 (int)sub->list.multi[j].start.lnum, |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2989 sub->list.multi[j].end.col, |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2990 (int)sub->list.multi[j].end.lnum); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2991 else |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2992 { |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2993 char *s = (char *)sub->list.line[j].start; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2994 char *e = (char *)sub->list.line[j].end; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2995 |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2996 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
|
2997 j, |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2998 s == NULL ? "NULL" : s, |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2999 e == NULL ? "NULL" : e); |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3000 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3001 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3002 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3003 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3004 /* Used during execution: whether a match has been found. */ |
|
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3005 static int nfa_match; |
|
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3006 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3007 static void clear_sub __ARGS((regsub_T *sub)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3008 static void copy_sub __ARGS((regsub_T *to, regsub_T *from)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3009 static void copy_sub_off __ARGS((regsub_T *to, regsub_T *from)); |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3010 static int sub_equal __ARGS((regsub_T *sub1, regsub_T *sub2)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3011 static void addstate __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs, int off)); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3012 static void addstate_here __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs, nfa_pim_T *pim, int *ip)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3013 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3014 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3015 clear_sub(sub) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3016 regsub_T *sub; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3017 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3018 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3019 /* Use 0xff to set lnum to -1 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3020 vim_memset(sub->list.multi, 0xff, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3021 sizeof(struct multipos) * nfa_nsubexpr); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3022 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3023 vim_memset(sub->list.line, 0, sizeof(struct linepos) * nfa_nsubexpr); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3024 sub->in_use = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3025 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3026 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3027 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3028 * Copy the submatches from "from" to "to". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3029 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3030 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3031 copy_sub(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3032 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3033 regsub_T *from; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3034 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3035 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3036 if (from->in_use > 0) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3037 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3038 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3039 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3040 mch_memmove(&to->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3041 &from->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3042 sizeof(struct multipos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3043 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3044 mch_memmove(&to->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3045 &from->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3046 sizeof(struct linepos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3047 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3048 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3049 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3050 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3051 * Like copy_sub() but exclude the main match. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3052 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3053 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3054 copy_sub_off(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3055 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3056 regsub_T *from; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3057 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3058 if (to->in_use < from->in_use) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3059 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3060 if (from->in_use > 1) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3061 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3062 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3063 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3064 mch_memmove(&to->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3065 &from->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3066 sizeof(struct multipos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3067 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3068 mch_memmove(&to->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3069 &from->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3070 sizeof(struct linepos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3071 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3072 } |
| 4444 | 3073 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3074 /* |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3075 * Return TRUE if "sub1" and "sub2" have the same positions. |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3076 */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3077 static int |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3078 sub_equal(sub1, sub2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3079 regsub_T *sub1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3080 regsub_T *sub2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3081 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3082 int i; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3083 int todo; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3084 linenr_T s1, e1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3085 linenr_T s2, e2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3086 char_u *sp1, *ep1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3087 char_u *sp2, *ep2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3088 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3089 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
|
3090 if (REG_MULTI) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3091 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3092 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3093 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3094 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3095 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3096 s1 = sub1->list.multi[i].start.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3097 e1 = sub1->list.multi[i].end.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3098 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3099 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3100 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3101 s1 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3102 e1 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3103 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3104 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3105 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3106 s2 = sub2->list.multi[i].start.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3107 e2 = sub2->list.multi[i].end.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3108 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3109 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3110 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3111 s2 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3112 e2 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3113 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3114 if (s1 != s2 || e1 != e2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3115 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3116 if (s1 != 0 && sub1->list.multi[i].start.col |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3117 != sub2->list.multi[i].start.col) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3118 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3119 if (e1 != 0 && sub1->list.multi[i].end.col |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3120 != sub2->list.multi[i].end.col) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3121 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3122 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3123 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3124 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3125 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3126 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3127 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3128 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3129 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3130 sp1 = sub1->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3131 ep1 = sub1->list.line[i].end; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3132 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3133 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3134 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3135 sp1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3136 ep1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3137 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3138 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3139 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3140 sp2 = sub2->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3141 ep2 = sub2->list.line[i].end; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3142 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3143 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3144 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3145 sp2 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3146 ep2 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3147 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3148 if (sp1 != sp2 || ep1 != ep2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3149 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3150 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3151 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3152 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3153 return TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3154 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3155 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3156 #ifdef ENABLE_LOG |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3157 static void |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3158 report_state(char *action, regsub_T *sub, nfa_state_T *state, int lid) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3159 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3160 int col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3161 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3162 if (sub->in_use <= 0) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3163 col = -1; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3164 else if (REG_MULTI) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3165 col = sub->list.multi[0].start.col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3166 else |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3167 col = (int)(sub->list.line[0].start - regline); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3168 nfa_set_code(state->c); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3169 fprintf(log_fd, "> %s state %d to list %d. char %d: %s (start col %d)\n", |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3170 action, abs(state->id), lid, state->c, code, col); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3171 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3172 #endif |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3173 |
| 4444 | 3174 static void |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3175 addstate(l, state, subs, off) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3176 nfa_list_T *l; /* runtime state list */ |
| 4444 | 3177 nfa_state_T *state; /* state to update */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3178 regsubs_T *subs; /* pointers to subexpressions */ |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3179 int off; /* byte offset, when -1 go to next line */ |
| 4444 | 3180 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3181 int subidx; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3182 nfa_thread_T *thread; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3183 lpos_T save_lpos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3184 int save_in_use; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3185 char_u *save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3186 int i; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3187 regsub_T *sub; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3188 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3189 int did_print = FALSE; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3190 #endif |
| 4444 | 3191 |
| 3192 if (l == NULL || state == NULL) | |
| 3193 return; | |
| 3194 | |
| 3195 switch (state->c) | |
| 3196 { | |
| 3197 case NFA_SPLIT: | |
| 3198 case NFA_NOT: | |
| 3199 case NFA_NOPEN: | |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3200 case NFA_SKIP_CHAR: |
| 4444 | 3201 case NFA_NCLOSE: |
| 3202 case NFA_MCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3203 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3204 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3205 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3206 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3207 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3208 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3209 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3210 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3211 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3212 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3213 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3214 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3215 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3216 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3217 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3218 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3219 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3220 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3221 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3222 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3223 #endif |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3224 case NFA_ZEND: |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3225 /* 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
|
3226 * "out1" may be added below. */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3227 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3228 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3229 case NFA_MOPEN: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3230 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3231 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3232 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3233 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3234 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3235 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3236 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3237 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3238 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3239 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3240 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3241 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3242 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3243 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3244 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3245 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3246 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3247 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3248 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3249 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3250 #endif |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3251 case NFA_ZSTART: |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3252 /* These nodes do not need to be added, but we need to bail out |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3253 * when it was tried to be added to this list before. */ |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3254 if (state->lastlist[nfa_ll_index] == l->id) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3255 goto skip_add; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3256 state->lastlist[nfa_ll_index] = l->id; |
| 4444 | 3257 break; |
| 3258 | |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3259 case NFA_BOL: |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3260 case NFA_BOF: |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3261 /* "^" won't match past end-of-line, don't bother trying. |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3262 * Except when we are going to the next line for a look-behind |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3263 * match. */ |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3264 if (reginput > regline |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3265 && (nfa_endp == NULL |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3266 || !REG_MULTI |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3267 || reglnum == nfa_endp->se_u.pos.lnum)) |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3268 goto skip_add; |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3269 /* FALLTHROUGH */ |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3270 |
| 4444 | 3271 default: |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3272 if (state->lastlist[nfa_ll_index] == l->id) |
| 4444 | 3273 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3274 /* This state is already in the list, don't add it again, |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3275 * unless it is an MOPEN that is used for a backreference. */ |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3276 if (!nfa_has_backref) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3277 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3278 skip_add: |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3279 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3280 nfa_set_code(state->c); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3281 fprintf(log_fd, "> Not adding state %d to list %d. char %d: %s\n", |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3282 abs(state->id), l->id, state->c, code); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3283 #endif |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3284 return; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3285 } |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3286 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3287 /* See if the same state is already in the list with the same |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3288 * positions. */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3289 for (i = 0; i < l->n; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3290 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3291 thread = &l->t[i]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3292 if (thread->state->id == state->id |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3293 && sub_equal(&thread->subs.norm, &subs->norm) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3294 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3295 && (!nfa_has_zsubexpr || |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3296 sub_equal(&thread->subs.synt, &subs->synt)) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3297 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3298 ) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3299 goto skip_add; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3300 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3301 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3302 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3303 /* when there are backreferences or look-behind matches the number |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3304 * of states may be (a lot) bigger */ |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3305 if (nfa_has_backref && l->n == l->len) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3306 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3307 int newlen = l->len * 3 / 2 + 50; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3308 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3309 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
|
3310 l->len = newlen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3311 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3312 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3313 /* add the state to the list */ |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3314 state->lastlist[nfa_ll_index] = l->id; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3315 thread = &l->t[l->n++]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3316 thread->state = state; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3317 thread->pim = NULL; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3318 copy_sub(&thread->subs.norm, &subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3319 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3320 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3321 copy_sub(&thread->subs.synt, &subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3322 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3323 #ifdef ENABLE_LOG |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3324 report_state("Adding", &thread->subs.norm, state, l->id); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3325 did_print = TRUE; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3326 #endif |
| 4444 | 3327 } |
| 3328 | |
| 3329 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3330 if (!did_print) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3331 report_state("Processing", &subs->norm, state, l->id); |
| 4444 | 3332 #endif |
| 3333 switch (state->c) | |
| 3334 { | |
| 3335 case NFA_MATCH: | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3336 nfa_match = TRUE; |
| 4444 | 3337 break; |
| 3338 | |
| 3339 case NFA_SPLIT: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3340 /* order matters here */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3341 addstate(l, state->out, subs, off); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3342 addstate(l, state->out1, subs, off); |
| 4444 | 3343 break; |
| 3344 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3345 case NFA_SKIP_CHAR: |
| 4444 | 3346 case NFA_NOPEN: |
| 3347 case NFA_NCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3348 addstate(l, state->out, subs, off); |
| 4444 | 3349 break; |
| 3350 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3351 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3352 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3353 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3354 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3355 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3356 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3357 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3358 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3359 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3360 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3361 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3362 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3363 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3364 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3365 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3366 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3367 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3368 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3369 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3370 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3371 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3372 #endif |
| 4444 | 3373 case NFA_ZSTART: |
| 3374 if (state->c == NFA_ZSTART) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3375 { |
| 4444 | 3376 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3377 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3378 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3379 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3380 else if (state->c >= NFA_ZOPEN) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3381 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3382 subidx = state->c - NFA_ZOPEN; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3383 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3384 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3385 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3386 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3387 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3388 subidx = state->c - NFA_MOPEN; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3389 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3390 } |
| 4444 | 3391 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3392 /* Set the position (with "off") in the subexpression. Save and |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3393 * restore it when it was in use. Otherwise fill any gap. */ |
|
4649
9f502d8d5165
updated for version 7.3.1072
Bram Moolenaar <bram@vim.org>
parents:
4647
diff
changeset
|
3394 save_ptr = NULL; |
| 4444 | 3395 if (REG_MULTI) |
| 3396 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3397 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3398 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3399 save_lpos = sub->list.multi[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3400 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3401 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3402 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3403 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3404 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3405 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
|
3406 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3407 sub->list.multi[i].start.lnum = -1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3408 sub->list.multi[i].end.lnum = -1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3409 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3410 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3411 } |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3412 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3413 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3414 sub->list.multi[subidx].start.lnum = reglnum + 1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3415 sub->list.multi[subidx].start.col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3416 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3417 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3418 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3419 sub->list.multi[subidx].start.lnum = reglnum; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3420 sub->list.multi[subidx].start.col = |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3421 (colnr_T)(reginput - regline + off); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3422 } |
| 4444 | 3423 } |
| 3424 else | |
| 3425 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3426 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3427 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3428 save_ptr = sub->list.line[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3429 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3430 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3431 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3432 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3433 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3434 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
|
3435 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3436 sub->list.line[i].start = NULL; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3437 sub->list.line[i].end = NULL; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3438 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3439 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3440 } |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3441 sub->list.line[subidx].start = reginput + off; |
| 4444 | 3442 } |
| 3443 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3444 addstate(l, state->out, subs, off); |
| 4444 | 3445 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3446 if (save_in_use == -1) |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3447 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3448 if (REG_MULTI) |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3449 sub->list.multi[subidx].start = save_lpos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3450 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3451 sub->list.line[subidx].start = save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3452 } |
| 4444 | 3453 else |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3454 sub->in_use = save_in_use; |
| 4444 | 3455 break; |
| 3456 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3457 case NFA_MCLOSE: |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
3458 if (nfa_has_zend) |
| 4444 | 3459 { |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
3460 /* Do not overwrite the position set by \ze. If no \ze |
|
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
3461 * encountered end will be set in nfa_regtry(). */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3462 addstate(l, state->out, subs, off); |
| 4444 | 3463 break; |
| 3464 } | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3465 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3466 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3467 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3468 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3469 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3470 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3471 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3472 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3473 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3474 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3475 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3476 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3477 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3478 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3479 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3480 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3481 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3482 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3483 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3484 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3485 #endif |
| 4444 | 3486 case NFA_ZEND: |
| 3487 if (state->c == NFA_ZEND) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3488 { |
| 4444 | 3489 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3490 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3491 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3492 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3493 else if (state->c >= NFA_ZCLOSE) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3494 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3495 subidx = state->c - NFA_ZCLOSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3496 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3497 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3498 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3499 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3500 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3501 subidx = state->c - NFA_MCLOSE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3502 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3503 } |
| 4444 | 3504 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3505 /* 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
|
3506 * has done that. */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3507 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3508 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3509 sub->in_use = subidx + 1; |
| 4444 | 3510 if (REG_MULTI) |
| 3511 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3512 save_lpos = sub->list.multi[subidx].end; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3513 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3514 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3515 sub->list.multi[subidx].end.lnum = reglnum + 1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3516 sub->list.multi[subidx].end.col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3517 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3518 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3519 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3520 sub->list.multi[subidx].end.lnum = reglnum; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3521 sub->list.multi[subidx].end.col = |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3522 (colnr_T)(reginput - regline + off); |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3523 } |
| 4444 | 3524 } |
| 3525 else | |
| 3526 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3527 save_ptr = sub->list.line[subidx].end; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3528 sub->list.line[subidx].end = reginput + off; |
| 4444 | 3529 } |
| 3530 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3531 addstate(l, state->out, subs, off); |
| 4444 | 3532 |
| 3533 if (REG_MULTI) | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3534 sub->list.multi[subidx].end = save_lpos; |
| 4444 | 3535 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3536 sub->list.line[subidx].end = save_ptr; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3537 sub->in_use = save_in_use; |
| 4444 | 3538 break; |
| 3539 } | |
| 3540 } | |
| 3541 | |
| 3542 /* | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3543 * 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
|
3544 * 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
|
3545 * 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
|
3546 * matters for alternatives. |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3547 */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3548 static void |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3549 addstate_here(l, state, subs, pim, ip) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3550 nfa_list_T *l; /* runtime state list */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3551 nfa_state_T *state; /* state to update */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3552 regsubs_T *subs; /* pointers to subexpressions */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3553 nfa_pim_T *pim; /* postponed look-behind match */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3554 int *ip; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3555 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3556 int tlen = l->n; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3557 int count; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3558 int listidx = *ip; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3559 int i; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3560 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3561 /* first add the state(s) at the end, so that we know how many there are */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3562 addstate(l, state, subs, 0); |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3563 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3564 /* fill in the "pim" field in the new states */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3565 if (pim != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3566 for (i = tlen; i < l->n; ++i) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3567 l->t[i].pim = pim; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3568 |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3569 /* 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
|
3570 if (listidx + 1 == tlen) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3571 return; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3572 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3573 /* 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
|
3574 count = l->n - tlen; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3575 if (count == 1) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3576 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3577 /* overwrite the current state */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3578 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
|
3579 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3580 else if (count > 1) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3581 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3582 /* make space for new states, then move them from the |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3583 * end to the current position */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3584 mch_memmove(&(l->t[listidx + count]), |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3585 &(l->t[listidx + 1]), |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3586 sizeof(nfa_thread_T) * (l->n - listidx - 1)); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3587 mch_memmove(&(l->t[listidx]), |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3588 &(l->t[l->n - 1]), |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3589 sizeof(nfa_thread_T) * count); |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3590 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3591 --l->n; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3592 *ip = listidx - 1; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3593 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3594 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3595 /* |
| 4444 | 3596 * Check character class "class" against current character c. |
| 3597 */ | |
| 3598 static int | |
| 3599 check_char_class(class, c) | |
| 3600 int class; | |
| 3601 int c; | |
| 3602 { | |
| 3603 switch (class) | |
| 3604 { | |
| 3605 case NFA_CLASS_ALNUM: | |
| 4464 | 3606 if (c >= 1 && c <= 255 && isalnum(c)) |
| 4444 | 3607 return OK; |
| 3608 break; | |
| 3609 case NFA_CLASS_ALPHA: | |
| 4464 | 3610 if (c >= 1 && c <= 255 && isalpha(c)) |
| 4444 | 3611 return OK; |
| 3612 break; | |
| 3613 case NFA_CLASS_BLANK: | |
| 3614 if (c == ' ' || c == '\t') | |
| 3615 return OK; | |
| 3616 break; | |
| 3617 case NFA_CLASS_CNTRL: | |
| 4464 | 3618 if (c >= 1 && c <= 255 && iscntrl(c)) |
| 4444 | 3619 return OK; |
| 3620 break; | |
| 3621 case NFA_CLASS_DIGIT: | |
| 3622 if (VIM_ISDIGIT(c)) | |
| 3623 return OK; | |
| 3624 break; | |
| 3625 case NFA_CLASS_GRAPH: | |
| 4464 | 3626 if (c >= 1 && c <= 255 && isgraph(c)) |
| 4444 | 3627 return OK; |
| 3628 break; | |
| 3629 case NFA_CLASS_LOWER: | |
| 3630 if (MB_ISLOWER(c)) | |
| 3631 return OK; | |
| 3632 break; | |
| 3633 case NFA_CLASS_PRINT: | |
| 3634 if (vim_isprintc(c)) | |
| 3635 return OK; | |
| 3636 break; | |
| 3637 case NFA_CLASS_PUNCT: | |
| 4464 | 3638 if (c >= 1 && c <= 255 && ispunct(c)) |
| 4444 | 3639 return OK; |
| 3640 break; | |
| 3641 case NFA_CLASS_SPACE: | |
| 3642 if ((c >=9 && c <= 13) || (c == ' ')) | |
| 3643 return OK; | |
| 3644 break; | |
| 3645 case NFA_CLASS_UPPER: | |
| 3646 if (MB_ISUPPER(c)) | |
| 3647 return OK; | |
| 3648 break; | |
| 3649 case NFA_CLASS_XDIGIT: | |
| 3650 if (vim_isxdigit(c)) | |
| 3651 return OK; | |
| 3652 break; | |
| 3653 case NFA_CLASS_TAB: | |
| 3654 if (c == '\t') | |
| 3655 return OK; | |
| 3656 break; | |
| 3657 case NFA_CLASS_RETURN: | |
| 3658 if (c == '\r') | |
| 3659 return OK; | |
| 3660 break; | |
| 3661 case NFA_CLASS_BACKSPACE: | |
| 3662 if (c == '\b') | |
| 3663 return OK; | |
| 3664 break; | |
| 3665 case NFA_CLASS_ESCAPE: | |
| 3666 if (c == '\033') | |
| 3667 return OK; | |
| 3668 break; | |
| 3669 | |
| 3670 default: | |
| 3671 /* should not be here :P */ | |
| 3672 EMSG_RET_FAIL(_("E877: (NFA regexp) Invalid character class ")); | |
| 3673 } | |
| 3674 return FAIL; | |
| 3675 } | |
| 3676 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3677 static int match_backref __ARGS((regsub_T *sub, int subidx, int *bytelen)); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3678 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3679 /* |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3680 * Check for a match with subexpression "subidx". |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3681 * Return TRUE if it matches. |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3682 */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3683 static int |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3684 match_backref(sub, subidx, bytelen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3685 regsub_T *sub; /* pointers to subexpressions */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3686 int subidx; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3687 int *bytelen; /* out: length of match in bytes */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3688 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3689 int len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3690 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3691 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3692 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3693 retempty: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3694 /* backref was not set, match an empty string */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3695 *bytelen = 0; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3696 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3697 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3698 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3699 if (REG_MULTI) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3700 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3701 if (sub->list.multi[subidx].start.lnum < 0 |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3702 || sub->list.multi[subidx].end.lnum < 0) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3703 goto retempty; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3704 /* TODO: line breaks */ |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3705 len = sub->list.multi[subidx].end.col |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3706 - sub->list.multi[subidx].start.col; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3707 if (cstrncmp(regline + sub->list.multi[subidx].start.col, |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3708 reginput, &len) == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3709 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3710 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3711 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3712 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3713 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3714 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3715 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3716 if (sub->list.line[subidx].start == NULL |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3717 || sub->list.line[subidx].end == NULL) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3718 goto retempty; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3719 len = (int)(sub->list.line[subidx].end - sub->list.line[subidx].start); |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3720 if (cstrncmp(sub->list.line[subidx].start, reginput, &len) == 0) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3721 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3722 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3723 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3724 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3725 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3726 return FALSE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3727 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3728 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3729 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3730 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3731 static int match_zref __ARGS((int subidx, int *bytelen)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3732 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3733 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3734 * Check for a match with \z subexpression "subidx". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3735 * Return TRUE if it matches. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3736 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3737 static int |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3738 match_zref(subidx, bytelen) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3739 int subidx; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3740 int *bytelen; /* out: length of match in bytes */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3741 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3742 int len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3743 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3744 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3745 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
|
3746 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3747 /* backref was not set, match an empty string */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3748 *bytelen = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3749 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3750 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3751 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3752 len = (int)STRLEN(re_extmatch_in->matches[subidx]); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3753 if (cstrncmp(re_extmatch_in->matches[subidx], reginput, &len) == 0) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3754 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3755 *bytelen = len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3756 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3757 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3758 return FALSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3759 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3760 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3761 |
| 4444 | 3762 /* |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3763 * 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
|
3764 * Also reset the IDs to zero. |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3765 * Only used for the recursive value lastlist[1]. |
| 4444 | 3766 */ |
| 3767 static void | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3768 nfa_save_listids(prog, list) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3769 nfa_regprog_T *prog; |
| 4444 | 3770 int *list; |
| 3771 { | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3772 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3773 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3774 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3775 /* 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
|
3776 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3777 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 3778 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3779 list[i] = p->lastlist[1]; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3780 p->lastlist[1] = 0; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3781 ++p; |
| 4444 | 3782 } |
| 3783 } | |
| 3784 | |
| 3785 /* | |
| 3786 * Restore list IDs from "list" to all NFA states. | |
| 3787 */ | |
| 3788 static void | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3789 nfa_restore_listids(prog, list) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3790 nfa_regprog_T *prog; |
| 4444 | 3791 int *list; |
| 3792 { | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3793 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3794 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3795 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3796 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3797 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 3798 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3799 p->lastlist[1] = list[i]; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3800 ++p; |
| 4444 | 3801 } |
| 3802 } | |
| 3803 | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3804 static int |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3805 nfa_re_num_cmp(val, op, pos) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3806 long_u val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3807 int op; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3808 long_u pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3809 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3810 if (op == 1) return pos > val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3811 if (op == 2) return pos < val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3812 return val == pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3813 } |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3814 |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3815 static int recursive_regmatch __ARGS((nfa_state_T *state, nfa_regprog_T *prog, regsubs_T *submatch, regsubs_T *m, int **listids)); |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3816 static int nfa_regmatch __ARGS((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
|
3817 |
| 4444 | 3818 /* |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3819 * Recursively call nfa_regmatch() |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3820 */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3821 static int |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3822 recursive_regmatch(state, prog, submatch, m, listids) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3823 nfa_state_T *state; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3824 nfa_regprog_T *prog; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3825 regsubs_T *submatch; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3826 regsubs_T *m; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3827 int **listids; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3828 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3829 char_u *save_reginput = reginput; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3830 char_u *save_regline = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3831 int save_reglnum = reglnum; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3832 int save_nfa_match = nfa_match; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3833 int save_nfa_listid = nfa_listid; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3834 save_se_T *save_nfa_endp = nfa_endp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3835 save_se_T endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3836 save_se_T *endposp = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3837 int result; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3838 int need_restore = FALSE; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3839 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3840 if (state->c == NFA_START_INVISIBLE_BEFORE) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3841 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3842 /* The recursive match must end at the current position. */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3843 endposp = &endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3844 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3845 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3846 endpos.se_u.pos.col = (int)(reginput - regline); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3847 endpos.se_u.pos.lnum = reglnum; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3848 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3849 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3850 endpos.se_u.ptr = reginput; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3851 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3852 /* 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
|
3853 * start of the previous line, to try matching "\@<=" or |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3854 * not matching "\@<!". |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3855 * TODO: This is very inefficient! Would be better to |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3856 * first check for a match with what follows. */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3857 if (state->val <= 0) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3858 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3859 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3860 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3861 regline = reg_getline(--reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3862 if (regline == NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3863 /* can't go before the first line */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3864 regline = reg_getline(++reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3865 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3866 reginput = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3867 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3868 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3869 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3870 if (REG_MULTI && (int)(reginput - regline) < state->val) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3871 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3872 /* 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
|
3873 * previous line. */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3874 regline = reg_getline(--reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3875 if (regline == NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3876 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3877 /* can't go before the first line */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3878 regline = reg_getline(++reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3879 reginput = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3880 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3881 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3882 reginput = regline + STRLEN(regline); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3883 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3884 if ((int)(reginput - regline) >= state->val) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3885 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3886 reginput -= state->val; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3887 #ifdef FEAT_MBYTE |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3888 if (has_mbyte) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3889 reginput -= mb_head_off(regline, reginput); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3890 #endif |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3891 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3892 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3893 reginput = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3894 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3895 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3896 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3897 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3898 if (log_fd != stderr) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3899 fclose(log_fd); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3900 log_fd = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3901 #endif |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3902 /* 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
|
3903 * 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
|
3904 if (nfa_ll_index == 1) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3905 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3906 /* 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
|
3907 * values and clear them. */ |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3908 if (*listids == NULL) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3909 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3910 *listids = (int *)lalloc(sizeof(int) * nstate, TRUE); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3911 if (*listids == NULL) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3912 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3913 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
|
3914 return 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3915 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3916 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3917 nfa_save_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3918 need_restore = TRUE; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3919 /* any value of nfa_listid will do */ |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3920 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3921 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3922 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3923 /* First recursive nfa_regmatch() call, switch to the second lastlist |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3924 * entry. Make sure nfa_listid is different from a previous recursive |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3925 * call, because some states may still have this ID. */ |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3926 ++nfa_ll_index; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3927 if (nfa_listid <= nfa_alt_listid) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3928 nfa_listid = nfa_alt_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3929 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3930 |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3931 /* 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
|
3932 * 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
|
3933 nfa_endp = endposp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3934 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
|
3935 |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3936 if (need_restore) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3937 nfa_restore_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3938 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3939 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3940 --nfa_ll_index; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3941 nfa_alt_listid = nfa_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3942 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3943 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3944 /* restore position in input text */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3945 reginput = save_reginput; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3946 regline = save_regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3947 reglnum = save_reglnum; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3948 nfa_match = save_nfa_match; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3949 nfa_endp = save_nfa_endp; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3950 nfa_listid = save_nfa_listid; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3951 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3952 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3953 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3954 if (log_fd != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3955 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3956 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3957 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
|
3958 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
|
3959 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3960 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3961 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3962 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3963 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... ")); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3964 log_fd = stderr; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3965 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3966 #endif |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3967 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3968 return result; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3969 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3970 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3971 static int failure_chance __ARGS((nfa_state_T *state, int depth)); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3972 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3973 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3974 * Estimate the chance of a match with "state" failing. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3975 * NFA_ANY: 1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3976 * specific character: 99 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3977 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3978 static int |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3979 failure_chance(state, depth) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3980 nfa_state_T *state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3981 int depth; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3982 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3983 int c = state->c; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3984 int l, r; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3985 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3986 /* detect looping */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3987 if (depth > 4) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3988 return 1; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3989 |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3990 switch (c) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3991 { |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3992 case NFA_SPLIT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3993 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
|
3994 /* avoid recursive stuff */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3995 return 1; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3996 /* two alternatives, use the lowest failure chance */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3997 l = failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3998 r = failure_chance(state->out1, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3999 return l < r ? l : r; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4000 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4001 case NFA_ANY: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4002 /* matches anything, unlikely to fail */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4003 return 1; |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4004 case NFA_MATCH: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4005 /* empty match works always */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4006 return 0; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4007 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4008 case NFA_BOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4009 case NFA_EOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4010 case NFA_BOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4011 case NFA_EOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4012 case NFA_NEWL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4013 return 99; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4014 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4015 case NFA_BOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4016 case NFA_EOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4017 return 90; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4018 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4019 case NFA_MOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4020 case NFA_MOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4021 case NFA_MOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4022 case NFA_MOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4023 case NFA_MOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4024 case NFA_MOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4025 case NFA_MOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4026 case NFA_MOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4027 case NFA_MOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4028 case NFA_MOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4029 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4030 case NFA_ZOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4031 case NFA_ZOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4032 case NFA_ZOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4033 case NFA_ZOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4034 case NFA_ZOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4035 case NFA_ZOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4036 case NFA_ZOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4037 case NFA_ZOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4038 case NFA_ZOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4039 case NFA_ZOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4040 case NFA_ZCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4041 case NFA_ZCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4042 case NFA_ZCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4043 case NFA_ZCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4044 case NFA_ZCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4045 case NFA_ZCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4046 case NFA_ZCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4047 case NFA_ZCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4048 case NFA_ZCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4049 case NFA_ZCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4050 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4051 case NFA_NOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4052 case NFA_MCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4053 case NFA_MCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4054 case NFA_MCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4055 case NFA_MCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4056 case NFA_MCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4057 case NFA_MCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4058 case NFA_MCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4059 case NFA_MCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4060 case NFA_MCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4061 case NFA_MCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4062 case NFA_NCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4063 return failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4064 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4065 case NFA_BACKREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4066 case NFA_BACKREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4067 case NFA_BACKREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4068 case NFA_BACKREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4069 case NFA_BACKREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4070 case NFA_BACKREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4071 case NFA_BACKREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4072 case NFA_BACKREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4073 case NFA_BACKREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4074 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4075 case NFA_ZREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4076 case NFA_ZREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4077 case NFA_ZREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4078 case NFA_ZREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4079 case NFA_ZREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4080 case NFA_ZREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4081 case NFA_ZREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4082 case NFA_ZREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4083 case NFA_ZREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4084 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4085 /* backreferences don't match in many places */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4086 return 94; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4087 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4088 case NFA_LNUM_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4089 case NFA_LNUM_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4090 case NFA_COL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4091 case NFA_COL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4092 case NFA_VCOL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4093 case NFA_VCOL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4094 case NFA_MARK_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4095 case NFA_MARK_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4096 #ifdef FEAT_VISUAL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4097 case NFA_VISUAL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4098 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4099 /* before/after positions don't match very often */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4100 return 85; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4101 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4102 case NFA_LNUM: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4103 return 90; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4104 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4105 case NFA_CURSOR: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4106 case NFA_COL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4107 case NFA_VCOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4108 case NFA_MARK: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4109 /* specific positions rarely match */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4110 return 98; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4111 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4112 case NFA_COMPOSING: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4113 return 95; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4114 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4115 default: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4116 if (c > 0) |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4117 /* character match fails often */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4118 return 95; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4119 } |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4120 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4121 /* something else, includes character classes */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4122 return 50; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4123 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4124 |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4125 /* |
| 4444 | 4126 * Main matching routine. |
| 4127 * | |
| 4128 * Run NFA to determine whether it matches reginput. | |
| 4129 * | |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4130 * 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
|
4131 * |
| 4444 | 4132 * Return TRUE if there is a match, FALSE otherwise. |
| 4133 * Note: Caller must ensure that: start != NULL. | |
| 4134 */ | |
| 4135 static int | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4136 nfa_regmatch(prog, start, submatch, m) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4137 nfa_regprog_T *prog; |
| 4444 | 4138 nfa_state_T *start; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4139 regsubs_T *submatch; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4140 regsubs_T *m; |
| 4444 | 4141 { |
| 4142 int result; | |
| 4143 int size = 0; | |
| 4144 int flag = 0; | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4145 int go_to_nextline = FALSE; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4146 nfa_thread_T *t; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4147 nfa_list_T list[3]; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4148 nfa_list_T *listtbl[2][2]; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4149 nfa_list_T *ll; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4150 int listidx; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4151 nfa_list_T *thislist; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4152 nfa_list_T *nextlist; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4153 nfa_list_T *neglist; |
| 4444 | 4154 int *listids = NULL; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4155 nfa_state_T *add_state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4156 int add_count; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4157 int add_off; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4158 garray_T pimlist; |
| 4460 | 4159 #ifdef NFA_REGEXP_DEBUG_LOG |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4160 FILE *debug = fopen(NFA_REGEXP_DEBUG_LOG, "a"); |
| 4444 | 4161 |
| 4162 if (debug == NULL) | |
| 4163 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4164 EMSG2(_("(NFA) COULD NOT OPEN %s !"), NFA_REGEXP_DEBUG_LOG); |
| 4444 | 4165 return FALSE; |
| 4166 } | |
| 4167 #endif | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4168 nfa_match = FALSE; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4169 ga_init2(&pimlist, sizeof(nfa_pim_T), 5); |
| 4444 | 4170 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4171 /* Allocate memory for the lists of nodes. */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4172 size = (nstate + 1) * sizeof(nfa_thread_T); |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4173 list[0].t = (nfa_thread_T *)lalloc_clear(size, TRUE); |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4174 list[0].len = nstate + 1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4175 list[1].t = (nfa_thread_T *)lalloc_clear(size, TRUE); |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4176 list[1].len = nstate + 1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4177 list[2].t = (nfa_thread_T *)lalloc_clear(size, TRUE); |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4178 list[2].len = nstate + 1; |
| 4444 | 4179 if (list[0].t == NULL || list[1].t == NULL || list[2].t == NULL) |
| 4180 goto theend; | |
| 4181 | |
| 4182 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4183 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 4184 if (log_fd != NULL) |
| 4185 { | |
| 4186 fprintf(log_fd, "**********************************\n"); | |
| 4187 nfa_set_code(start->c); | |
| 4188 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n", | |
| 4189 abs(start->id), code); | |
| 4190 fprintf(log_fd, "**********************************\n"); | |
| 4191 } | |
| 4192 else | |
| 4193 { | |
| 4194 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... ")); | |
| 4195 log_fd = stderr; | |
| 4196 } | |
| 4197 #endif | |
| 4198 | |
| 4199 thislist = &list[0]; | |
| 4200 thislist->n = 0; | |
| 4201 nextlist = &list[1]; | |
| 4202 nextlist->n = 0; | |
| 4203 neglist = &list[2]; | |
| 4204 neglist->n = 0; | |
| 4205 #ifdef ENABLE_LOG | |
| 4206 fprintf(log_fd, "(---) STARTSTATE\n"); | |
| 4207 #endif | |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4208 thislist->id = nfa_listid + 1; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4209 addstate(thislist, start, m, 0); |
| 4444 | 4210 |
| 4211 /* There are two cases when the NFA advances: 1. input char matches the | |
| 4212 * NFA node and 2. input char does not match the NFA node, but the next | |
| 4213 * node is NFA_NOT. The following macro calls addstate() according to | |
| 4214 * these rules. It is used A LOT, so use the "listtbl" table for speed */ | |
| 4215 listtbl[0][0] = NULL; | |
| 4216 listtbl[0][1] = neglist; | |
| 4217 listtbl[1][0] = nextlist; | |
| 4218 listtbl[1][1] = NULL; | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4219 #define ADD_POS_NEG_STATE(state) \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4220 ll = listtbl[result ? 1 : 0][state->negated]; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4221 if (ll != NULL) { \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4222 add_state = state->out; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4223 add_off = clen; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4224 } |
| 4444 | 4225 |
| 4226 /* | |
| 4227 * Run for each character. | |
| 4228 */ | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4229 for (;;) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4230 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4231 int curc; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4232 int clen; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4233 |
| 4444 | 4234 #ifdef FEAT_MBYTE |
| 4235 if (has_mbyte) | |
| 4236 { | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4237 curc = (*mb_ptr2char)(reginput); |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4238 clen = (*mb_ptr2len)(reginput); |
| 4444 | 4239 } |
| 4240 else | |
| 4241 #endif | |
| 4242 { | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4243 curc = *reginput; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4244 clen = 1; |
| 4444 | 4245 } |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4246 if (curc == NUL) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4247 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4248 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4249 go_to_nextline = FALSE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4250 } |
| 4444 | 4251 |
| 4252 /* swap lists */ | |
| 4253 thislist = &list[flag]; | |
| 4254 nextlist = &list[flag ^= 1]; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4255 nextlist->n = 0; /* clear nextlist */ |
| 4444 | 4256 listtbl[1][0] = nextlist; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4257 ++nfa_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4258 thislist->id = nfa_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4259 nextlist->id = nfa_listid + 1; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4260 neglist->id = nfa_listid + 1; |
| 4444 | 4261 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4262 pimlist.ga_len = 0; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4263 |
| 4444 | 4264 #ifdef ENABLE_LOG |
| 4265 fprintf(log_fd, "------------------------------------------\n"); | |
| 4266 fprintf(log_fd, ">>> Reginput is \"%s\"\n", reginput); | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4267 fprintf(log_fd, ">>> Advanced one character ... Current char is %c (code %d) \n", curc, (int)curc); |
| 4444 | 4268 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
|
4269 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4270 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4271 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4272 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4273 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
|
4274 } |
| 4444 | 4275 fprintf(log_fd, "\n"); |
| 4276 #endif | |
| 4277 | |
| 4460 | 4278 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 4279 fprintf(debug, "\n-------------------\n"); |
| 4280 #endif | |
| 4480 | 4281 /* |
| 4282 * If the state lists are empty we can stop. | |
| 4283 */ | |
| 4284 if (thislist->n == 0 && neglist->n == 0) | |
| 4285 break; | |
| 4444 | 4286 |
| 4287 /* compute nextlist */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4288 for (listidx = 0; listidx < thislist->n || neglist->n > 0; ++listidx) |
| 4444 | 4289 { |
| 4290 if (neglist->n > 0) | |
| 4291 { | |
| 4292 t = &neglist->t[0]; | |
| 4468 | 4293 neglist->n--; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4294 listidx--; |
| 4444 | 4295 } |
| 4296 else | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4297 t = &thislist->t[listidx]; |
| 4444 | 4298 |
| 4460 | 4299 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 4300 nfa_set_code(t->state->c); |
| 4301 fprintf(debug, "%s, ", code); | |
| 4302 #endif | |
| 4303 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4304 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4305 int col; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4306 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4307 if (t->subs.norm.in_use <= 0) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4308 col = -1; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4309 else if (REG_MULTI) |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4310 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
|
4311 else |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4312 col = (int)(t->subs.norm.list.line[0].start - regline); |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4313 nfa_set_code(t->state->c); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4314 fprintf(log_fd, "(%d) char %d %s (start col %d) ... \n", |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4315 abs(t->state->id), (int)t->state->c, code, col); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4316 } |
| 4444 | 4317 #endif |
| 4318 | |
| 4319 /* | |
| 4320 * Handle the possible codes of the current state. | |
| 4321 * The most important is NFA_MATCH. | |
| 4322 */ | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4323 add_state = NULL; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4324 add_count = 0; |
| 4444 | 4325 switch (t->state->c) |
| 4326 { | |
| 4327 case NFA_MATCH: | |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
4328 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4329 nfa_match = TRUE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4330 copy_sub(&submatch->norm, &t->subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4331 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4332 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4333 copy_sub(&submatch->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4334 #endif |
| 4444 | 4335 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4336 log_subsexpr(&t->subs); |
| 4444 | 4337 #endif |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4338 /* 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
|
4339 * states at this position. When the list of states is going |
|
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4340 * to be empty quit without advancing, so that "reginput" is |
|
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4341 * correct. */ |
|
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4342 if (nextlist->n == 0 && neglist->n == 0) |
|
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4343 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4344 goto nextchar; |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
4345 } |
| 4444 | 4346 |
| 4347 case NFA_END_INVISIBLE: | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4348 case NFA_END_PATTERN: |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4349 /* |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4350 * 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
|
4351 * NFA_START_INVISIBLE_BEFORE node. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4352 * They surround a zero-width group, used with "\@=", "\&", |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4353 * "\@!", "\@<=" and "\@<!". |
| 4444 | 4354 * If we got here, it means that the current "invisible" group |
| 4355 * 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
|
4356 * 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
|
4357 * in the position in "nfa_endp". |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4358 * 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
|
4359 */ |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4360 #ifdef ENABLE_LOG |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4361 if (nfa_endp != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4362 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4363 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4364 fprintf(log_fd, "Current lnum: %d, endp lnum: %d; current col: %d, endp col: %d\n", |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4365 (int)reglnum, |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4366 (int)nfa_endp->se_u.pos.lnum, |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4367 (int)(reginput - regline), |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4368 nfa_endp->se_u.pos.col); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4369 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4370 fprintf(log_fd, "Current col: %d, endp col: %d\n", |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4371 (int)(reginput - regline), |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4372 (int)(nfa_endp->se_u.ptr - reginput)); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4373 } |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4374 #endif |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4375 /* 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
|
4376 * "nfa_endp" */ |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4377 if (nfa_endp != NULL && (REG_MULTI |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4378 ? (reglnum != nfa_endp->se_u.pos.lnum |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4379 || (int)(reginput - regline) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4380 != nfa_endp->se_u.pos.col) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4381 : reginput != nfa_endp->se_u.ptr)) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4382 break; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4383 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4384 /* do not set submatches for \@! */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4385 if (!t->state->negated) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4386 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4387 copy_sub(&m->norm, &t->subs.norm); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4388 #ifdef FEAT_SYN_HL |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4389 if (nfa_has_zsubexpr) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4390 copy_sub(&m->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4391 #endif |
| 4444 | 4392 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4393 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4394 fprintf(log_fd, "Match found:\n"); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4395 log_subsexpr(m); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4396 #endif |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4397 nfa_match = TRUE; |
| 4444 | 4398 break; |
| 4399 | |
| 4400 case NFA_START_INVISIBLE: | |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4401 case NFA_START_INVISIBLE_BEFORE: |
| 4444 | 4402 { |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4403 nfa_pim_T *pim; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4404 int cout = t->state->out1->out->c; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4405 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4406 /* Do it directly when what follows is possibly end of |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4407 * match (closing paren). |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4408 * Postpone when it is \@<= or \@<!, these are expensive. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4409 * TODO: remove the check for t->pim and check multiple |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4410 * where it's used? |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4411 * Otherwise first do the one that has the highest chance |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4412 * of failing. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4413 if ((cout >= NFA_MCLOSE && cout <= NFA_MCLOSE9) |
|
4734
532c31f9e92f
updated for version 7.3.1114
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
4414 #ifdef FEAT_SYN_HL |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4415 || (cout >= NFA_ZCLOSE && cout <= NFA_ZCLOSE9) |
|
4734
532c31f9e92f
updated for version 7.3.1114
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
4416 #endif |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4417 || cout == NFA_NCLOSE |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4418 || t->pim != NULL |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4419 || (t->state->c != NFA_START_INVISIBLE_BEFORE |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4420 && failure_chance(t->state->out1->out, 0) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4421 < failure_chance(t->state->out, 0))) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4422 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4423 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4424 * First try matching the invisible match, then what |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4425 * follows. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4426 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4427 result = recursive_regmatch(t->state, prog, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4428 submatch, m, &listids); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4429 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4430 /* for \@! it is a match when result is FALSE */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4431 if (result != t->state->negated) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4432 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4433 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4434 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
|
4435 #ifdef FEAT_SYN_HL |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4436 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
|
4437 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4438 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4439 /* t->state->out1 is the corresponding |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4440 * 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
|
4441 * list (zero-width match). */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4442 addstate_here(thislist, t->state->out1->out, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4443 &t->subs, t->pim, &listidx); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4444 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4445 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4446 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4447 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4448 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4449 * First try matching what follows at the current |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4450 * position. Only if a match is found, addstate() is |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4451 * called, then verify the invisible match matches. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4452 * Add a nfa_pim_T to the following states, it |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4453 * contains info about the invisible match. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4454 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4455 if (ga_grow(&pimlist, 1) == FAIL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4456 goto theend; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4457 pim = (nfa_pim_T *)pimlist.ga_data + pimlist.ga_len; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4458 ++pimlist.ga_len; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4459 pim->state = t->state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4460 pim->pim = NULL; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4461 pim->result = NFA_PIM_TODO; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4462 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4463 /* t->state->out1 is the corresponding END_INVISIBLE |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4464 * 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
|
4465 * match). */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4466 addstate_here(thislist, t->state->out1->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4467 pim, &listidx); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4468 } |
| 4444 | 4469 } |
| 4470 break; | |
| 4471 | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4472 case NFA_START_PATTERN: |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4473 /* First try matching the pattern. */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4474 result = recursive_regmatch(t->state, prog, |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4475 submatch, m, &listids); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4476 if (result) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4477 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4478 int bytelen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4479 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4480 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4481 fprintf(log_fd, "NFA_START_PATTERN matches:\n"); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4482 log_subsexpr(m); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4483 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4484 /* Copy submatch info from the recursive call */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4485 copy_sub_off(&t->subs.norm, &m->norm); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4486 #ifdef FEAT_SYN_HL |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4487 copy_sub_off(&t->subs.synt, &m->synt); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4488 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4489 /* 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
|
4490 * continue with what follows. */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4491 if (REG_MULTI) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4492 /* TODO: multi-line match */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4493 bytelen = m->norm.list.multi[0].end.col |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4494 - (int)(reginput - regline); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4495 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4496 bytelen = (int)(m->norm.list.line[0].end - reginput); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4497 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4498 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4499 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
|
4500 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4501 if (bytelen == 0) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4502 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4503 /* empty match, output of corresponding |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4504 * 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
|
4505 * position */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4506 addstate_here(thislist, t->state->out1->out->out, |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4507 &t->subs, t->pim, &listidx); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4508 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4509 else if (bytelen <= clen) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4510 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4511 /* match current character, output of corresponding |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4512 * 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
|
4513 ll = nextlist; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4514 add_state = t->state->out1->out->out; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4515 add_off = clen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4516 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4517 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4518 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4519 /* skip over the matched characters, set character |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4520 * count in NFA_SKIP */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4521 ll = nextlist; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4522 add_state = t->state->out1->out; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4523 add_off = bytelen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4524 add_count = bytelen - clen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4525 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4526 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4527 break; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4528 |
| 4444 | 4529 case NFA_BOL: |
| 4530 if (reginput == regline) | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4531 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4532 t->pim, &listidx); |
| 4444 | 4533 break; |
| 4534 | |
| 4535 case NFA_EOL: | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4536 if (curc == NUL) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4537 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4538 t->pim, &listidx); |
| 4444 | 4539 break; |
| 4540 | |
| 4541 case NFA_BOW: | |
| 4542 { | |
| 4543 int bow = TRUE; | |
| 4544 | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4545 if (curc == NUL) |
| 4444 | 4546 bow = FALSE; |
| 4547 #ifdef FEAT_MBYTE | |
| 4548 else if (has_mbyte) | |
| 4549 { | |
| 4550 int this_class; | |
| 4551 | |
| 4552 /* Get class of current and previous char (if it exists). */ | |
| 4503 | 4553 this_class = mb_get_class_buf(reginput, reg_buf); |
| 4444 | 4554 if (this_class <= 1) |
| 4555 bow = FALSE; | |
| 4556 else if (reg_prev_class() == this_class) | |
| 4557 bow = FALSE; | |
| 4558 } | |
| 4559 #endif | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4560 else if (!vim_iswordc_buf(curc, reg_buf) |
| 4503 | 4561 || (reginput > regline |
| 4562 && vim_iswordc_buf(reginput[-1], reg_buf))) | |
| 4444 | 4563 bow = FALSE; |
| 4564 if (bow) | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4565 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4566 t->pim, &listidx); |
| 4444 | 4567 break; |
| 4568 } | |
| 4569 | |
| 4570 case NFA_EOW: | |
| 4571 { | |
| 4572 int eow = TRUE; | |
| 4573 | |
| 4574 if (reginput == regline) | |
| 4575 eow = FALSE; | |
| 4576 #ifdef FEAT_MBYTE | |
| 4577 else if (has_mbyte) | |
| 4578 { | |
| 4579 int this_class, prev_class; | |
| 4580 | |
| 4581 /* Get class of current and previous char (if it exists). */ | |
| 4503 | 4582 this_class = mb_get_class_buf(reginput, reg_buf); |
| 4444 | 4583 prev_class = reg_prev_class(); |
| 4584 if (this_class == prev_class | |
| 4585 || prev_class == 0 || prev_class == 1) | |
| 4586 eow = FALSE; | |
| 4587 } | |
| 4588 #endif | |
| 4503 | 4589 else if (!vim_iswordc_buf(reginput[-1], reg_buf) |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4590 || (reginput[0] != NUL |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4591 && vim_iswordc_buf(curc, reg_buf))) |
| 4444 | 4592 eow = FALSE; |
| 4593 if (eow) | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4594 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4595 t->pim, &listidx); |
| 4444 | 4596 break; |
| 4597 } | |
| 4598 | |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4599 case NFA_BOF: |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4600 if (reglnum == 0 && reginput == regline |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4601 && (!REG_MULTI || reg_firstlnum == 1)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4602 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4603 t->pim, &listidx); |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4604 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4605 |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4606 case NFA_EOF: |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4607 if (reglnum == reg_maxline && curc == NUL) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4608 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4609 t->pim, &listidx); |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4610 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4611 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4612 #ifdef FEAT_MBYTE |
| 4444 | 4613 case NFA_COMPOSING: |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4614 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4615 int mc = curc; |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4616 int len = 0; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4617 nfa_state_T *end; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4618 nfa_state_T *sta; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4619 int cchars[MAX_MCO]; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4620 int ccount = 0; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4621 int j; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4622 |
| 4444 | 4623 sta = t->state->out; |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4624 len = 0; |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4625 if (utf_iscomposing(sta->c)) |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4626 { |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4627 /* Only match composing character(s), ignore base |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4628 * character. Used for ".{composing}" and "{composing}" |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4629 * (no preceding character). */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4630 len += mb_char2len(mc); |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4631 } |
|
4551
f0c37f5cf4ea
updated for version 7.3.1023
Bram Moolenaar <bram@vim.org>
parents:
4549
diff
changeset
|
4632 if (ireg_icombine && len == 0) |
| 4444 | 4633 { |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4634 /* If \Z was present, then ignore composing characters. |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4635 * When ignoring the base character this always matches. */ |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4636 /* TODO: How about negated? */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4637 if (len == 0 && sta->c != curc) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4638 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4639 else |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4640 result = OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4641 while (sta->c != NFA_END_COMPOSING) |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4642 sta = sta->out; |
| 4444 | 4643 } |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4644 |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4645 /* Check base character matches first, unless ignored. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4646 else if (len > 0 || mc == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4647 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4648 if (len == 0) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4649 { |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4650 len += mb_char2len(mc); |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4651 sta = sta->out; |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4652 } |
| 4444 | 4653 |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4654 /* 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
|
4655 * Get them into cchars[] first. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4656 while (len < clen) |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4657 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4658 mc = mb_ptr2char(reginput + len); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4659 cchars[ccount++] = mc; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4660 len += mb_char2len(mc); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4661 if (ccount == MAX_MCO) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4662 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4663 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4664 |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4665 /* 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
|
4666 * 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
|
4667 * composing chars are matched. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4668 result = OK; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4669 while (sta->c != NFA_END_COMPOSING) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4670 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4671 for (j = 0; j < ccount; ++j) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4672 if (cchars[j] == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4673 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4674 if (j == ccount) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4675 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4676 result = FAIL; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4677 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4678 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4679 sta = sta->out; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4680 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4681 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4682 else |
|
4525
36ddcf4cecbc
updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents:
4517
diff
changeset
|
4683 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4684 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4685 end = t->state->out1; /* NFA_END_COMPOSING */ |
| 4444 | 4686 ADD_POS_NEG_STATE(end); |
| 4687 break; | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4688 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4689 #endif |
| 4444 | 4690 |
| 4691 case NFA_NEWL: | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4692 if (curc == NUL && !reg_line_lbr && REG_MULTI |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4693 && reglnum <= reg_maxline) |
| 4444 | 4694 { |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4695 go_to_nextline = TRUE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4696 /* 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
|
4697 * at the start of the next line. */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4698 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4699 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4700 add_off = -1; |
| 4444 | 4701 } |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4702 else if (curc == '\n' && reg_line_lbr) |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4703 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4704 /* 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
|
4705 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4706 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4707 add_off = 1; |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4708 } |
| 4444 | 4709 break; |
| 4710 | |
| 4711 case NFA_CLASS_ALNUM: | |
| 4712 case NFA_CLASS_ALPHA: | |
| 4713 case NFA_CLASS_BLANK: | |
| 4714 case NFA_CLASS_CNTRL: | |
| 4715 case NFA_CLASS_DIGIT: | |
| 4716 case NFA_CLASS_GRAPH: | |
| 4717 case NFA_CLASS_LOWER: | |
| 4718 case NFA_CLASS_PRINT: | |
| 4719 case NFA_CLASS_PUNCT: | |
| 4720 case NFA_CLASS_SPACE: | |
| 4721 case NFA_CLASS_UPPER: | |
| 4722 case NFA_CLASS_XDIGIT: | |
| 4723 case NFA_CLASS_TAB: | |
| 4724 case NFA_CLASS_RETURN: | |
| 4725 case NFA_CLASS_BACKSPACE: | |
| 4726 case NFA_CLASS_ESCAPE: | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4727 result = check_char_class(t->state->c, curc); |
| 4444 | 4728 ADD_POS_NEG_STATE(t->state); |
| 4729 break; | |
| 4730 | |
| 4731 case NFA_END_NEG_RANGE: | |
| 4732 /* This follows a series of negated nodes, like: | |
| 4733 * CHAR(x), NFA_NOT, CHAR(y), NFA_NOT etc. */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4734 if (curc > 0) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4735 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4736 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4737 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4738 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4739 } |
| 4444 | 4740 break; |
| 4741 | |
| 4742 case NFA_ANY: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4743 /* 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
|
4744 if (curc > 0) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4745 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4746 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4747 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4748 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4749 } |
| 4444 | 4750 break; |
| 4751 | |
| 4752 /* | |
| 4753 * Character classes like \a for alpha, \d for digit etc. | |
| 4754 */ | |
| 4755 case NFA_IDENT: /* \i */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4756 result = vim_isIDc(curc); |
| 4444 | 4757 ADD_POS_NEG_STATE(t->state); |
| 4758 break; | |
| 4759 | |
| 4760 case NFA_SIDENT: /* \I */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4761 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc); |
| 4444 | 4762 ADD_POS_NEG_STATE(t->state); |
| 4763 break; | |
| 4764 | |
| 4765 case NFA_KWORD: /* \k */ | |
| 4503 | 4766 result = vim_iswordp_buf(reginput, reg_buf); |
| 4444 | 4767 ADD_POS_NEG_STATE(t->state); |
| 4768 break; | |
| 4769 | |
| 4770 case NFA_SKWORD: /* \K */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4771 result = !VIM_ISDIGIT(curc) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4772 && vim_iswordp_buf(reginput, reg_buf); |
| 4444 | 4773 ADD_POS_NEG_STATE(t->state); |
| 4774 break; | |
| 4775 | |
| 4776 case NFA_FNAME: /* \f */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4777 result = vim_isfilec(curc); |
| 4444 | 4778 ADD_POS_NEG_STATE(t->state); |
| 4779 break; | |
| 4780 | |
| 4781 case NFA_SFNAME: /* \F */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4782 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc); |
| 4444 | 4783 ADD_POS_NEG_STATE(t->state); |
| 4784 break; | |
| 4785 | |
| 4786 case NFA_PRINT: /* \p */ | |
| 4470 | 4787 result = ptr2cells(reginput) == 1; |
| 4444 | 4788 ADD_POS_NEG_STATE(t->state); |
| 4789 break; | |
| 4790 | |
| 4791 case NFA_SPRINT: /* \P */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4792 result = !VIM_ISDIGIT(curc) && ptr2cells(reginput) == 1; |
| 4444 | 4793 ADD_POS_NEG_STATE(t->state); |
| 4794 break; | |
| 4795 | |
| 4796 case NFA_WHITE: /* \s */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4797 result = vim_iswhite(curc); |
| 4444 | 4798 ADD_POS_NEG_STATE(t->state); |
| 4799 break; | |
| 4800 | |
| 4801 case NFA_NWHITE: /* \S */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4802 result = curc != NUL && !vim_iswhite(curc); |
| 4444 | 4803 ADD_POS_NEG_STATE(t->state); |
| 4804 break; | |
| 4805 | |
| 4806 case NFA_DIGIT: /* \d */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4807 result = ri_digit(curc); |
| 4444 | 4808 ADD_POS_NEG_STATE(t->state); |
| 4809 break; | |
| 4810 | |
| 4811 case NFA_NDIGIT: /* \D */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4812 result = curc != NUL && !ri_digit(curc); |
| 4444 | 4813 ADD_POS_NEG_STATE(t->state); |
| 4814 break; | |
| 4815 | |
| 4816 case NFA_HEX: /* \x */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4817 result = ri_hex(curc); |
| 4444 | 4818 ADD_POS_NEG_STATE(t->state); |
| 4819 break; | |
| 4820 | |
| 4821 case NFA_NHEX: /* \X */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4822 result = curc != NUL && !ri_hex(curc); |
| 4444 | 4823 ADD_POS_NEG_STATE(t->state); |
| 4824 break; | |
| 4825 | |
| 4826 case NFA_OCTAL: /* \o */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4827 result = ri_octal(curc); |
| 4444 | 4828 ADD_POS_NEG_STATE(t->state); |
| 4829 break; | |
| 4830 | |
| 4831 case NFA_NOCTAL: /* \O */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4832 result = curc != NUL && !ri_octal(curc); |
| 4444 | 4833 ADD_POS_NEG_STATE(t->state); |
| 4834 break; | |
| 4835 | |
| 4836 case NFA_WORD: /* \w */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4837 result = ri_word(curc); |
| 4444 | 4838 ADD_POS_NEG_STATE(t->state); |
| 4839 break; | |
| 4840 | |
| 4841 case NFA_NWORD: /* \W */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4842 result = curc != NUL && !ri_word(curc); |
| 4444 | 4843 ADD_POS_NEG_STATE(t->state); |
| 4844 break; | |
| 4845 | |
| 4846 case NFA_HEAD: /* \h */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4847 result = ri_head(curc); |
| 4444 | 4848 ADD_POS_NEG_STATE(t->state); |
| 4849 break; | |
| 4850 | |
| 4851 case NFA_NHEAD: /* \H */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4852 result = curc != NUL && !ri_head(curc); |
| 4444 | 4853 ADD_POS_NEG_STATE(t->state); |
| 4854 break; | |
| 4855 | |
| 4856 case NFA_ALPHA: /* \a */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4857 result = ri_alpha(curc); |
| 4444 | 4858 ADD_POS_NEG_STATE(t->state); |
| 4859 break; | |
| 4860 | |
| 4861 case NFA_NALPHA: /* \A */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4862 result = curc != NUL && !ri_alpha(curc); |
| 4444 | 4863 ADD_POS_NEG_STATE(t->state); |
| 4864 break; | |
| 4865 | |
| 4866 case NFA_LOWER: /* \l */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4867 result = ri_lower(curc); |
| 4444 | 4868 ADD_POS_NEG_STATE(t->state); |
| 4869 break; | |
| 4870 | |
| 4871 case NFA_NLOWER: /* \L */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4872 result = curc != NUL && !ri_lower(curc); |
| 4444 | 4873 ADD_POS_NEG_STATE(t->state); |
| 4874 break; | |
| 4875 | |
| 4876 case NFA_UPPER: /* \u */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4877 result = ri_upper(curc); |
| 4444 | 4878 ADD_POS_NEG_STATE(t->state); |
| 4879 break; | |
| 4880 | |
| 4881 case NFA_NUPPER: /* \U */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4882 result = curc != NUL && !ri_upper(curc); |
| 4444 | 4883 ADD_POS_NEG_STATE(t->state); |
| 4884 break; | |
| 4885 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4886 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4887 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4888 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4889 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4890 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4891 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4892 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4893 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4894 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4895 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4896 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4897 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4898 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4899 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4900 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4901 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4902 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4903 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4904 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4905 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4906 /* \1 .. \9 \z1 .. \z9 */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4907 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4908 int subidx; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4909 int bytelen; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4910 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4911 if (t->state->c <= NFA_BACKREF9) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4912 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4913 subidx = t->state->c - NFA_BACKREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4914 result = match_backref(&t->subs.norm, subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4915 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4916 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4917 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4918 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4919 subidx = t->state->c - NFA_ZREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4920 result = match_zref(subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4921 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4922 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4923 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4924 if (result) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4925 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4926 if (bytelen == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4927 { |
|
4692
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
4928 /* 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
|
4929 * used next */ |
|
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
4930 addstate_here(thislist, t->state->out->out, &t->subs, |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4931 t->pim, &listidx); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4932 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4933 else if (bytelen <= clen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4934 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4935 /* match current character, jump ahead to out of |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4936 * NFA_SKIP */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4937 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4938 add_state = t->state->out->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4939 add_off = clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4940 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4941 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4942 { |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
4943 /* skip over the matched characters, set character |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4944 * count in NFA_SKIP */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4945 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4946 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4947 add_off = bytelen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4948 add_count = bytelen - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4949 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4950 } |
| 4482 | 4951 break; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4952 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4953 case NFA_SKIP: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4954 /* character of previous matching \1 .. \9 or \@> */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4955 if (t->count - clen <= 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4956 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4957 /* end of match, go to what follows */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4958 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4959 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4960 add_off = clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4961 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4962 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4963 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4964 /* add state again with decremented count */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4965 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4966 add_state = t->state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4967 add_off = 0; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4968 add_count = t->count - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4969 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4970 break; |
| 4482 | 4971 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4972 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4973 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4974 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4975 result = (REG_MULTI && |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4976 nfa_re_num_cmp(t->state->val, t->state->c - NFA_LNUM, |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4977 (long_u)(reglnum + reg_firstlnum))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4978 if (result) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4979 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4980 t->pim, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4981 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4982 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4983 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4984 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4985 case NFA_COL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4986 result = nfa_re_num_cmp(t->state->val, t->state->c - NFA_COL, |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4987 (long_u)(reginput - regline) + 1); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4988 if (result) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4989 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4990 t->pim, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4991 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4992 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4993 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4994 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4995 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4996 result = nfa_re_num_cmp(t->state->val, t->state->c - NFA_VCOL, |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4997 (long_u)win_linetabsize( |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4998 reg_win == NULL ? curwin : reg_win, |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4999 regline, (colnr_T)(reginput - regline)) + 1); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5000 if (result) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5001 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5002 t->pim, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5003 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5004 |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5005 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5006 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5007 case NFA_MARK_LT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5008 { |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5009 pos_T *pos = getmark_buf(reg_buf, t->state->val, FALSE); |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5010 |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5011 /* Compare the mark position to the match position. */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5012 result = (pos != NULL /* mark doesn't exist */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5013 && pos->lnum > 0 /* mark isn't set in reg_buf */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5014 && (pos->lnum == reglnum + reg_firstlnum |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5015 ? (pos->col == (colnr_T)(reginput - regline) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5016 ? t->state->c == NFA_MARK |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5017 : (pos->col < (colnr_T)(reginput - regline) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5018 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5019 : t->state->c == NFA_MARK_LT)) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5020 : (pos->lnum < reglnum + reg_firstlnum |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5021 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5022 : t->state->c == NFA_MARK_LT))); |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5023 if (result) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5024 addstate_here(thislist, t->state->out, &t->subs, |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5025 t->pim, &listidx); |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5026 break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5027 } |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5028 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5029 case NFA_CURSOR: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5030 result = (reg_win != NULL |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5031 && (reglnum + reg_firstlnum == reg_win->w_cursor.lnum) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5032 && ((colnr_T)(reginput - regline) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5033 == reg_win->w_cursor.col)); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5034 if (result) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5035 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5036 t->pim, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5037 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5038 |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
5039 #ifdef FEAT_VISUAL |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5040 case NFA_VISUAL: |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5041 result = reg_match_visual(); |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5042 if (result) |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5043 addstate_here(thislist, t->state->out, &t->subs, |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5044 t->pim, &listidx); |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5045 break; |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
5046 #endif |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5047 |
| 4444 | 5048 default: /* regular character */ |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5049 { |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5050 int c = t->state->c; |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5051 |
| 4482 | 5052 /* TODO: put this in #ifdef later */ |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5053 if (c < -256) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5054 EMSGN("INTERNAL: Negative state char: %ld", c); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5055 if (is_Magic(c)) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5056 c = un_Magic(c); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5057 result = (c == curc); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5058 |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5059 if (!result && ireg_ic) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5060 result = MB_TOLOWER(c) == MB_TOLOWER(curc); |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5061 #ifdef FEAT_MBYTE |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5062 /* If there is a composing character which is not being |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5063 * ignored there can be no match. Match with composing |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5064 * character uses NFA_COMPOSING above. */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5065 if (result && enc_utf8 && !ireg_icombine |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5066 && clen != utf_char2len(curc)) |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5067 result = FALSE; |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5068 #endif |
| 4444 | 5069 ADD_POS_NEG_STATE(t->state); |
| 5070 break; | |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5071 } |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5072 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5073 } /* switch (t->state->c) */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5074 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5075 if (add_state != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5076 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5077 if (t->pim != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5078 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5079 /* postponed invisible match */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5080 /* TODO: also do t->pim->pim recursively? */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5081 if (t->pim->result == NFA_PIM_TODO) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5082 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5083 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5084 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5085 fprintf(log_fd, "==================================\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5086 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5087 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5088 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5089 result = recursive_regmatch(t->pim->state, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5090 prog, submatch, m, &listids); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5091 t->pim->result = result ? NFA_PIM_MATCH |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5092 : NFA_PIM_NOMATCH; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5093 /* for \@! it is a match when result is FALSE */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5094 if (result != t->pim->state->negated) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5095 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5096 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5097 copy_sub_off(&t->pim->subs.norm, &m->norm); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5098 #ifdef FEAT_SYN_HL |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5099 copy_sub_off(&t->pim->subs.synt, &m->synt); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5100 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5101 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5102 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5103 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5104 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5105 result = (t->pim->result == NFA_PIM_MATCH); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5106 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5107 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5108 fprintf(log_fd, "Using previous recursive nfa_regmatch() result, result == %d\n", t->pim->result); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5109 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
|
5110 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5111 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5112 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5113 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5114 /* for \@! it is a match when result is FALSE */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5115 if (result != t->pim->state->negated) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5116 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5117 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5118 copy_sub_off(&t->subs.norm, &t->pim->subs.norm); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5119 #ifdef FEAT_SYN_HL |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5120 copy_sub_off(&t->subs.synt, &t->pim->subs.synt); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5121 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5122 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5123 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5124 /* 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
|
5125 continue; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5126 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5127 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5128 addstate(ll, add_state, &t->subs, add_off); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5129 if (add_count > 0) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5130 nextlist->t[ll->n - 1].count = add_count; |
| 4444 | 5131 } |
| 5132 | |
| 5133 } /* for (thislist = thislist; thislist->state; thislist++) */ | |
| 5134 | |
|
4557
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
5135 /* 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
|
5136 * start state to the list of states. |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
5137 * 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
|
5138 * matters! |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
5139 * 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
|
5140 * 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
|
5141 * 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
|
5142 * 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
|
5143 if (nfa_match == FALSE |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5144 && ((start->c == NFA_MOPEN |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5145 && reglnum == 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5146 && clen != 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5147 && (ireg_maxcol == 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5148 || (colnr_T)(reginput - regline) < ireg_maxcol)) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5149 || (nfa_endp != NULL |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5150 && (REG_MULTI |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5151 ? (reglnum < nfa_endp->se_u.pos.lnum |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5152 || (reglnum == nfa_endp->se_u.pos.lnum |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5153 && (int)(reginput - regline) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5154 < nfa_endp->se_u.pos.col)) |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5155 : reginput < nfa_endp->se_u.ptr)))) |
| 4444 | 5156 { |
| 5157 #ifdef ENABLE_LOG | |
| 5158 fprintf(log_fd, "(---) STARTSTATE\n"); | |
| 5159 #endif | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5160 addstate(nextlist, start, m, clen); |
| 4444 | 5161 } |
| 5162 | |
| 5163 #ifdef ENABLE_LOG | |
| 5164 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
|
5165 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5166 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5167 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5168 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5169 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
|
5170 } |
| 4444 | 5171 fprintf(log_fd, "\n"); |
| 5172 #endif | |
| 5173 | |
| 5174 nextchar: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5175 /* 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
|
5176 * finish. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5177 if (clen != 0) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5178 reginput += clen; |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5179 else if (go_to_nextline || (nfa_endp != NULL && REG_MULTI |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5180 && reglnum < nfa_endp->se_u.pos.lnum)) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5181 reg_nextline(); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5182 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5183 break; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5184 } |
| 4444 | 5185 |
| 5186 #ifdef ENABLE_LOG | |
| 5187 if (log_fd != stderr) | |
| 5188 fclose(log_fd); | |
| 5189 log_fd = NULL; | |
| 5190 #endif | |
| 5191 | |
| 5192 theend: | |
| 5193 /* Free memory */ | |
| 5194 vim_free(list[0].t); | |
| 5195 vim_free(list[1].t); | |
| 5196 vim_free(list[2].t); | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5197 vim_free(listids); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5198 ga_clear(&pimlist); |
| 4444 | 5199 #undef ADD_POS_NEG_STATE |
| 4460 | 5200 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 5201 fclose(debug); |
| 5202 #endif | |
| 5203 | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5204 return nfa_match; |
| 4444 | 5205 } |
| 5206 | |
| 5207 /* | |
| 5208 * Try match of "prog" with at regline["col"]. | |
| 5209 * Returns 0 for failure, number of lines contained in the match otherwise. | |
| 5210 */ | |
| 5211 static long | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5212 nfa_regtry(prog, col) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5213 nfa_regprog_T *prog; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5214 colnr_T col; |
| 4444 | 5215 { |
| 5216 int i; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5217 regsubs_T subs, m; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5218 nfa_state_T *start = prog->start; |
| 4444 | 5219 #ifdef ENABLE_LOG |
| 5220 FILE *f; | |
| 5221 #endif | |
| 5222 | |
| 5223 reginput = regline + col; | |
| 5224 need_clear_subexpr = TRUE; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5225 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5226 /* Clear the external match subpointers if necessary. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5227 if (prog->reghasz == REX_SET) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5228 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5229 nfa_has_zsubexpr = TRUE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5230 need_clear_zsubexpr = TRUE; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5231 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5232 else |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5233 nfa_has_zsubexpr = FALSE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5234 #endif |
| 4444 | 5235 |
| 5236 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5237 f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 5238 if (f != NULL) |
| 5239 { | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5240 fprintf(f, "\n\n\t=======================================================\n"); |
| 4444 | 5241 #ifdef DEBUG |
| 5242 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr); | |
| 5243 #endif | |
| 5244 fprintf(f, "\tInput text is \"%s\" \n", reginput); | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5245 fprintf(f, "\t=======================================================\n\n"); |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
5246 nfa_print_state(f, start); |
| 4444 | 5247 fprintf(f, "\n\n"); |
| 5248 fclose(f); | |
| 5249 } | |
| 5250 else | |
| 5251 EMSG(_("Could not open temporary log file for writing ")); | |
| 5252 #endif | |
| 5253 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5254 clear_sub(&subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5255 clear_sub(&m.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5256 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5257 clear_sub(&subs.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5258 clear_sub(&m.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5259 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5260 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5261 if (nfa_regmatch(prog, start, &subs, &m) == FALSE) |
| 4444 | 5262 return 0; |
| 5263 | |
| 5264 cleanup_subexpr(); | |
| 5265 if (REG_MULTI) | |
| 5266 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5267 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 5268 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5269 reg_startpos[i] = subs.norm.list.multi[i].start; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5270 reg_endpos[i] = subs.norm.list.multi[i].end; |
| 4444 | 5271 } |
| 5272 | |
| 5273 if (reg_startpos[0].lnum < 0) | |
| 5274 { | |
| 5275 reg_startpos[0].lnum = 0; | |
| 5276 reg_startpos[0].col = col; | |
| 5277 } | |
| 5278 if (reg_endpos[0].lnum < 0) | |
| 5279 { | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
5280 /* pattern has a \ze but it didn't match, use current end */ |
| 4444 | 5281 reg_endpos[0].lnum = reglnum; |
| 5282 reg_endpos[0].col = (int)(reginput - regline); | |
| 5283 } | |
| 5284 else | |
| 5285 /* Use line number of "\ze". */ | |
| 5286 reglnum = reg_endpos[0].lnum; | |
| 5287 } | |
| 5288 else | |
| 5289 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5290 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 5291 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5292 reg_startp[i] = subs.norm.list.line[i].start; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5293 reg_endp[i] = subs.norm.list.line[i].end; |
| 4444 | 5294 } |
| 5295 | |
| 5296 if (reg_startp[0] == NULL) | |
| 5297 reg_startp[0] = regline + col; | |
| 5298 if (reg_endp[0] == NULL) | |
| 5299 reg_endp[0] = reginput; | |
| 5300 } | |
| 5301 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5302 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5303 /* 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
|
5304 unref_extmatch(re_extmatch_out); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5305 re_extmatch_out = NULL; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5306 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5307 if (prog->reghasz == REX_SET) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5308 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5309 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5310 re_extmatch_out = make_extmatch(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5311 for (i = 0; i < subs.synt.in_use; i++) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5312 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5313 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5314 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5315 struct multipos *mpos = &subs.synt.list.multi[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5316 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5317 /* Only accept single line matches. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5318 if (mpos->start.lnum >= 0 && mpos->start.lnum == mpos->end.lnum) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5319 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5320 vim_strnsave(reg_getline(mpos->start.lnum) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5321 + mpos->start.col, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5322 mpos->end.col - mpos->start.col); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5323 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5324 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5325 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5326 struct linepos *lpos = &subs.synt.list.line[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5327 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5328 if (lpos->start != NULL && lpos->end != NULL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5329 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5330 vim_strnsave(lpos->start, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5331 (int)(lpos->end - lpos->start)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5332 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5333 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5334 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5335 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5336 |
| 4444 | 5337 return 1 + reglnum; |
| 5338 } | |
| 5339 | |
| 5340 /* | |
| 5341 * Match a regexp against a string ("line" points to the string) or multiple | |
| 5342 * lines ("line" is NULL, use reg_getline()). | |
| 5343 * | |
| 5344 * Returns 0 for failure, number of lines contained in the match otherwise. | |
| 5345 */ | |
| 5346 static long | |
| 5347 nfa_regexec_both(line, col) | |
| 5348 char_u *line; | |
| 5349 colnr_T col; /* column to start looking for match */ | |
| 5350 { | |
| 5351 nfa_regprog_T *prog; | |
| 5352 long retval = 0L; | |
| 5353 int i; | |
| 5354 | |
| 5355 if (REG_MULTI) | |
| 5356 { | |
| 5357 prog = (nfa_regprog_T *)reg_mmatch->regprog; | |
| 5358 line = reg_getline((linenr_T)0); /* relative to the cursor */ | |
| 5359 reg_startpos = reg_mmatch->startpos; | |
| 5360 reg_endpos = reg_mmatch->endpos; | |
| 5361 } | |
| 5362 else | |
| 5363 { | |
| 5364 prog = (nfa_regprog_T *)reg_match->regprog; | |
| 5365 reg_startp = reg_match->startp; | |
| 5366 reg_endp = reg_match->endp; | |
| 5367 } | |
| 5368 | |
| 5369 /* Be paranoid... */ | |
| 5370 if (prog == NULL || line == NULL) | |
| 5371 { | |
| 5372 EMSG(_(e_null)); | |
| 5373 goto theend; | |
| 5374 } | |
| 5375 | |
| 5376 /* If the start column is past the maximum column: no need to try. */ | |
| 5377 if (ireg_maxcol > 0 && col >= ireg_maxcol) | |
| 5378 goto theend; | |
| 5379 | |
| 5380 /* If pattern contains "\c" or "\C": overrule value of ireg_ic */ | |
| 5381 if (prog->regflags & RF_ICASE) | |
| 5382 ireg_ic = TRUE; | |
| 5383 else if (prog->regflags & RF_NOICASE) | |
| 5384 ireg_ic = FALSE; | |
| 5385 | |
| 5386 #ifdef FEAT_MBYTE | |
| 5387 /* If pattern contains "\Z" overrule value of ireg_icombine */ | |
| 5388 if (prog->regflags & RF_ICOMBINE) | |
| 5389 ireg_icombine = TRUE; | |
| 5390 #endif | |
| 5391 | |
| 5392 regline = line; | |
| 5393 reglnum = 0; /* relative to line */ | |
| 5394 | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5395 nfa_has_zend = prog->has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
5396 nfa_has_backref = prog->has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5397 nfa_nsubexpr = prog->nsubexp; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5398 nfa_listid = 1; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5399 nfa_alt_listid = 2; |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5400 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5401 nfa_regengine.expr = prog->pattern; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5402 #endif |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5403 |
| 4444 | 5404 nstate = prog->nstate; |
| 5405 for (i = 0; i < nstate; ++i) | |
| 5406 { | |
| 5407 prog->state[i].id = i; | |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5408 prog->state[i].lastlist[0] = 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5409 prog->state[i].lastlist[1] = 0; |
| 4444 | 5410 } |
| 5411 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5412 retval = nfa_regtry(prog, col); |
| 4444 | 5413 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5414 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5415 nfa_regengine.expr = NULL; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5416 #endif |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5417 |
| 4444 | 5418 theend: |
| 5419 return retval; | |
| 5420 } | |
| 5421 | |
| 5422 /* | |
| 5423 * Compile a regular expression into internal code for the NFA matcher. | |
| 5424 * Returns the program in allocated space. Returns NULL for an error. | |
| 5425 */ | |
| 5426 static regprog_T * | |
| 5427 nfa_regcomp(expr, re_flags) | |
| 5428 char_u *expr; | |
| 5429 int re_flags; | |
| 5430 { | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5431 nfa_regprog_T *prog = NULL; |
| 4458 | 5432 size_t prog_size; |
| 4444 | 5433 int *postfix; |
| 5434 | |
| 5435 if (expr == NULL) | |
| 5436 return NULL; | |
| 5437 | |
| 5438 #ifdef DEBUG | |
| 5439 nfa_regengine.expr = expr; | |
| 5440 #endif | |
| 5441 | |
| 5442 init_class_tab(); | |
| 5443 | |
| 5444 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
| 5445 return NULL; | |
| 5446 | |
| 5447 /* 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
|
5448 * (and count its size). */ |
| 4444 | 5449 postfix = re2post(); |
| 5450 if (postfix == NULL) | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5451 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5452 /* TODO: only give this error for debugging? */ |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5453 if (post_ptr >= post_end) |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5454 EMSGN("Internal error: estimated max number of states insufficient: %ld", post_end - post_start); |
| 4444 | 5455 goto fail; /* Cascaded (syntax?) error */ |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5456 } |
| 4444 | 5457 |
| 5458 /* | |
| 5459 * In order to build the NFA, we parse the input regexp twice: | |
| 5460 * 1. first pass to count size (so we can allocate space) | |
| 5461 * 2. second to emit code | |
| 5462 */ | |
| 5463 #ifdef ENABLE_LOG | |
| 5464 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5465 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 5466 |
| 5467 if (f != NULL) | |
| 5468 { | |
| 5469 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\" ... hold on !\n", expr); | |
| 5470 fclose(f); | |
| 5471 } | |
| 5472 } | |
| 5473 #endif | |
| 5474 | |
| 5475 /* | |
| 5476 * PASS 1 | |
| 5477 * Count number of NFA states in "nstate". Do not build the NFA. | |
| 5478 */ | |
| 5479 post2nfa(postfix, post_ptr, TRUE); | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5480 |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5481 /* Space for compiled regexp */ |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5482 prog_size = sizeof(nfa_regprog_T) + sizeof(nfa_state_T) * nstate; |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5483 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE); |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5484 if (prog == NULL) |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5485 goto fail; |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5486 vim_memset(prog, 0, prog_size); |
| 4444 | 5487 state_ptr = prog->state; |
| 5488 | |
| 5489 /* | |
| 5490 * PASS 2 | |
| 5491 * Build the NFA | |
| 5492 */ | |
| 5493 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
| 5494 if (prog->start == NULL) | |
| 5495 goto fail; | |
| 5496 | |
| 5497 prog->regflags = regflags; | |
| 5498 prog->engine = &nfa_regengine; | |
| 5499 prog->nstate = nstate; | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5500 prog->has_zend = nfa_has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
5501 prog->has_backref = nfa_has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5502 prog->nsubexp = regnpar; |
| 4444 | 5503 #ifdef ENABLE_LOG |
| 5504 nfa_postfix_dump(expr, OK); | |
| 5505 nfa_dump(prog); | |
| 5506 #endif | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5507 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5508 /* 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
|
5509 prog->reghasz = re_has_z; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5510 #endif |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5511 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5512 prog->pattern = vim_strsave(expr); /* memory will leak */ |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5513 nfa_regengine.expr = NULL; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5514 #endif |
| 4444 | 5515 |
| 5516 out: | |
| 5517 vim_free(post_start); | |
| 5518 post_start = post_ptr = post_end = NULL; | |
| 5519 state_ptr = NULL; | |
| 5520 return (regprog_T *)prog; | |
| 5521 | |
| 5522 fail: | |
| 5523 vim_free(prog); | |
| 5524 prog = NULL; | |
| 5525 #ifdef ENABLE_LOG | |
| 5526 nfa_postfix_dump(expr, FAIL); | |
| 5527 #endif | |
| 5528 #ifdef DEBUG | |
| 5529 nfa_regengine.expr = NULL; | |
| 5530 #endif | |
| 5531 goto out; | |
| 5532 } | |
| 5533 | |
| 5534 | |
| 5535 /* | |
| 5536 * Match a regexp against a string. | |
| 5537 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
| 5538 * Uses curbuf for line count and 'iskeyword'. | |
| 5539 * | |
| 5540 * Return TRUE if there is a match, FALSE if not. | |
| 5541 */ | |
| 5542 static int | |
| 5543 nfa_regexec(rmp, line, col) | |
| 5544 regmatch_T *rmp; | |
| 5545 char_u *line; /* string to match against */ | |
| 5546 colnr_T col; /* column to start looking for match */ | |
| 5547 { | |
| 5548 reg_match = rmp; | |
| 5549 reg_mmatch = NULL; | |
| 5550 reg_maxline = 0; | |
| 5551 reg_line_lbr = FALSE; | |
| 5552 reg_buf = curbuf; | |
| 5553 reg_win = NULL; | |
| 5554 ireg_ic = rmp->rm_ic; | |
| 5555 #ifdef FEAT_MBYTE | |
| 5556 ireg_icombine = FALSE; | |
| 5557 #endif | |
| 5558 ireg_maxcol = 0; | |
| 5559 return (nfa_regexec_both(line, col) != 0); | |
| 5560 } | |
| 5561 | |
| 5562 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \ | |
| 5563 || defined(FIND_REPLACE_DIALOG) || defined(PROTO) | |
| 5564 | |
| 5565 static int nfa_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); | |
| 5566 | |
| 5567 /* | |
| 5568 * Like nfa_regexec(), but consider a "\n" in "line" to be a line break. | |
| 5569 */ | |
| 5570 static int | |
| 5571 nfa_regexec_nl(rmp, line, col) | |
| 5572 regmatch_T *rmp; | |
| 5573 char_u *line; /* string to match against */ | |
| 5574 colnr_T col; /* column to start looking for match */ | |
| 5575 { | |
| 5576 reg_match = rmp; | |
| 5577 reg_mmatch = NULL; | |
| 5578 reg_maxline = 0; | |
| 5579 reg_line_lbr = TRUE; | |
| 5580 reg_buf = curbuf; | |
| 5581 reg_win = NULL; | |
| 5582 ireg_ic = rmp->rm_ic; | |
| 5583 #ifdef FEAT_MBYTE | |
| 5584 ireg_icombine = FALSE; | |
| 5585 #endif | |
| 5586 ireg_maxcol = 0; | |
| 5587 return (nfa_regexec_both(line, col) != 0); | |
| 5588 } | |
| 5589 #endif | |
| 5590 | |
| 5591 | |
| 5592 /* | |
| 5593 * Match a regexp against multiple lines. | |
| 5594 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
| 5595 * Uses curbuf for line count and 'iskeyword'. | |
| 5596 * | |
| 5597 * Return zero if there is no match. Return number of lines contained in the | |
| 5598 * match otherwise. | |
| 5599 * | |
| 5600 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
| 5601 * | |
| 5602 * ! Also NOTE : match may actually be in another line. e.g.: | |
| 5603 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
| 5604 * | |
| 5605 * +-------------------------+ | |
| 5606 * |a | | |
| 5607 * |b | | |
| 5608 * |c | | |
| 5609 * | | | |
| 5610 * +-------------------------+ | |
| 5611 * | |
| 5612 * then nfa_regexec_multi() returns 3. while the original | |
| 5613 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
| 5614 * | |
| 5615 * FIXME if this behavior is not compatible. | |
| 5616 */ | |
| 5617 static long | |
| 5618 nfa_regexec_multi(rmp, win, buf, lnum, col, tm) | |
| 5619 regmmatch_T *rmp; | |
| 5620 win_T *win; /* window in which to search or NULL */ | |
| 5621 buf_T *buf; /* buffer in which to search */ | |
| 5622 linenr_T lnum; /* nr of line to start looking for match */ | |
| 5623 colnr_T col; /* column to start looking for match */ | |
| 5624 proftime_T *tm UNUSED; /* timeout limit or NULL */ | |
| 5625 { | |
| 5626 reg_match = NULL; | |
| 5627 reg_mmatch = rmp; | |
| 5628 reg_buf = buf; | |
| 5629 reg_win = win; | |
| 5630 reg_firstlnum = lnum; | |
| 5631 reg_maxline = reg_buf->b_ml.ml_line_count - lnum; | |
| 5632 reg_line_lbr = FALSE; | |
| 5633 ireg_ic = rmp->rmm_ic; | |
| 5634 #ifdef FEAT_MBYTE | |
| 5635 ireg_icombine = FALSE; | |
| 5636 #endif | |
| 5637 ireg_maxcol = rmp->rmm_maxcol; | |
| 5638 | |
| 4503 | 5639 return nfa_regexec_both(NULL, col); |
| 4444 | 5640 } |
| 5641 | |
| 5642 #ifdef DEBUG | |
| 5643 # undef ENABLE_LOG | |
| 5644 #endif |