Mercurial > vim
annotate src/regexp_nfa.c @ 4748:4b9503f0c7d3 v7.3.1121
updated for version 7.3.1121
Problem: New regexp engine: adding states that are not used.
Solution: Don't add the states.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 05 Jun 2013 16:51:57 +0200 |
| parents | d1376091d18b |
| children | 7793e737ec87 |
| 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, |
| 4444 | 60 NFA_END_INVISIBLE, |
| 61 NFA_COMPOSING, /* Next nodes in NFA are part of the | |
| 62 composing multibyte char */ | |
| 63 NFA_END_COMPOSING, /* End of a composing char in the NFA */ | |
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64 NFA_OPT_CHARS, /* \%[abc] */ |
| 4444 | 65 |
| 66 /* The following are used only in the postfix form, not in the NFA */ | |
| 67 NFA_PREV_ATOM_NO_WIDTH, /* Used for \@= */ | |
| 68 NFA_PREV_ATOM_NO_WIDTH_NEG, /* Used for \@! */ | |
| 69 NFA_PREV_ATOM_JUST_BEFORE, /* Used for \@<= */ | |
| 70 NFA_PREV_ATOM_JUST_BEFORE_NEG, /* Used for \@<! */ | |
| 71 NFA_PREV_ATOM_LIKE_PATTERN, /* Used for \@> */ | |
| 72 | |
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73 NFA_BACKREF1, /* \1 */ |
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74 NFA_BACKREF2, /* \2 */ |
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75 NFA_BACKREF3, /* \3 */ |
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76 NFA_BACKREF4, /* \4 */ |
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77 NFA_BACKREF5, /* \5 */ |
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78 NFA_BACKREF6, /* \6 */ |
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79 NFA_BACKREF7, /* \7 */ |
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80 NFA_BACKREF8, /* \8 */ |
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81 NFA_BACKREF9, /* \9 */ |
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82 #ifdef FEAT_SYN_HL |
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83 NFA_ZREF1, /* \z1 */ |
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84 NFA_ZREF2, /* \z2 */ |
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85 NFA_ZREF3, /* \z3 */ |
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86 NFA_ZREF4, /* \z4 */ |
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87 NFA_ZREF5, /* \z5 */ |
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88 NFA_ZREF6, /* \z6 */ |
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89 NFA_ZREF7, /* \z7 */ |
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90 NFA_ZREF8, /* \z8 */ |
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91 NFA_ZREF9, /* \z9 */ |
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92 #endif |
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93 NFA_SKIP, /* Skip characters */ |
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94 |
| 4444 | 95 NFA_MOPEN, |
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96 NFA_MOPEN1, |
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97 NFA_MOPEN2, |
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98 NFA_MOPEN3, |
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99 NFA_MOPEN4, |
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100 NFA_MOPEN5, |
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101 NFA_MOPEN6, |
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102 NFA_MOPEN7, |
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103 NFA_MOPEN8, |
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104 NFA_MOPEN9, |
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105 |
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106 NFA_MCLOSE, |
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107 NFA_MCLOSE1, |
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108 NFA_MCLOSE2, |
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109 NFA_MCLOSE3, |
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110 NFA_MCLOSE4, |
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111 NFA_MCLOSE5, |
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112 NFA_MCLOSE6, |
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113 NFA_MCLOSE7, |
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114 NFA_MCLOSE8, |
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115 NFA_MCLOSE9, |
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116 |
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117 #ifdef FEAT_SYN_HL |
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118 NFA_ZOPEN, |
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119 NFA_ZOPEN1, |
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120 NFA_ZOPEN2, |
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121 NFA_ZOPEN3, |
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122 NFA_ZOPEN4, |
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123 NFA_ZOPEN5, |
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124 NFA_ZOPEN6, |
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125 NFA_ZOPEN7, |
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126 NFA_ZOPEN8, |
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127 NFA_ZOPEN9, |
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128 |
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129 NFA_ZCLOSE, |
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130 NFA_ZCLOSE1, |
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131 NFA_ZCLOSE2, |
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132 NFA_ZCLOSE3, |
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133 NFA_ZCLOSE4, |
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134 NFA_ZCLOSE5, |
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135 NFA_ZCLOSE6, |
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136 NFA_ZCLOSE7, |
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137 NFA_ZCLOSE8, |
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138 NFA_ZCLOSE9, |
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139 #endif |
| 4444 | 140 |
| 141 /* NFA_FIRST_NL */ | |
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142 NFA_ANY, /* Match any one character. */ |
| 4444 | 143 NFA_ANYOF, /* Match any character in this string. */ |
| 144 NFA_ANYBUT, /* Match any character not in this string. */ | |
| 145 NFA_IDENT, /* Match identifier char */ | |
| 146 NFA_SIDENT, /* Match identifier char but no digit */ | |
| 147 NFA_KWORD, /* Match keyword char */ | |
| 148 NFA_SKWORD, /* Match word char but no digit */ | |
| 149 NFA_FNAME, /* Match file name char */ | |
| 150 NFA_SFNAME, /* Match file name char but no digit */ | |
| 151 NFA_PRINT, /* Match printable char */ | |
| 152 NFA_SPRINT, /* Match printable char but no digit */ | |
| 153 NFA_WHITE, /* Match whitespace char */ | |
| 154 NFA_NWHITE, /* Match non-whitespace char */ | |
| 155 NFA_DIGIT, /* Match digit char */ | |
| 156 NFA_NDIGIT, /* Match non-digit char */ | |
| 157 NFA_HEX, /* Match hex char */ | |
| 158 NFA_NHEX, /* Match non-hex char */ | |
| 159 NFA_OCTAL, /* Match octal char */ | |
| 160 NFA_NOCTAL, /* Match non-octal char */ | |
| 161 NFA_WORD, /* Match word char */ | |
| 162 NFA_NWORD, /* Match non-word char */ | |
| 163 NFA_HEAD, /* Match head char */ | |
| 164 NFA_NHEAD, /* Match non-head char */ | |
| 165 NFA_ALPHA, /* Match alpha char */ | |
| 166 NFA_NALPHA, /* Match non-alpha char */ | |
| 167 NFA_LOWER, /* Match lowercase char */ | |
| 168 NFA_NLOWER, /* Match non-lowercase char */ | |
| 169 NFA_UPPER, /* Match uppercase char */ | |
| 170 NFA_NUPPER, /* Match non-uppercase char */ | |
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171 |
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172 NFA_CURSOR, /* Match cursor pos */ |
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173 NFA_LNUM, /* Match line number */ |
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174 NFA_LNUM_GT, /* Match > line number */ |
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175 NFA_LNUM_LT, /* Match < line number */ |
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176 NFA_COL, /* Match cursor column */ |
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177 NFA_COL_GT, /* Match > cursor column */ |
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178 NFA_COL_LT, /* Match < cursor column */ |
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179 NFA_VCOL, /* Match cursor virtual column */ |
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180 NFA_VCOL_GT, /* Match > cursor virtual column */ |
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181 NFA_VCOL_LT, /* Match < cursor virtual column */ |
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182 NFA_MARK, /* Match mark */ |
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183 NFA_MARK_GT, /* Match > mark */ |
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184 NFA_MARK_LT, /* Match < mark */ |
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185 #ifdef FEAT_VISUAL |
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186 NFA_VISUAL, /* Match Visual area */ |
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187 #endif |
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188 |
| 4444 | 189 NFA_FIRST_NL = NFA_ANY + ADD_NL, |
| 190 NFA_LAST_NL = NFA_NUPPER + ADD_NL, | |
| 191 | |
| 192 /* Character classes [:alnum:] etc */ | |
| 193 NFA_CLASS_ALNUM, | |
| 194 NFA_CLASS_ALPHA, | |
| 195 NFA_CLASS_BLANK, | |
| 196 NFA_CLASS_CNTRL, | |
| 197 NFA_CLASS_DIGIT, | |
| 198 NFA_CLASS_GRAPH, | |
| 199 NFA_CLASS_LOWER, | |
| 200 NFA_CLASS_PRINT, | |
| 201 NFA_CLASS_PUNCT, | |
| 202 NFA_CLASS_SPACE, | |
| 203 NFA_CLASS_UPPER, | |
| 204 NFA_CLASS_XDIGIT, | |
| 205 NFA_CLASS_TAB, | |
| 206 NFA_CLASS_RETURN, | |
| 207 NFA_CLASS_BACKSPACE, | |
| 208 NFA_CLASS_ESCAPE | |
| 209 }; | |
| 210 | |
| 211 /* Keep in sync with classchars. */ | |
| 212 static int nfa_classcodes[] = { | |
| 213 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD, | |
| 214 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT, | |
| 215 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT, | |
| 216 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL, | |
| 217 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD, | |
| 218 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER, | |
| 219 NFA_UPPER, NFA_NUPPER | |
| 220 }; | |
| 221 | |
| 222 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); | |
| 223 | |
| 224 /* | |
| 225 * NFA errors can be of 3 types: | |
| 226 * *** NFA runtime errors, when something unknown goes wrong. The NFA fails | |
| 227 * silently and revert the to backtracking engine. | |
| 228 * syntax_error = FALSE; | |
| 229 * *** Regexp syntax errors, when the input regexp is not syntactically correct. | |
| 230 * The NFA engine displays an error message, and nothing else happens. | |
| 231 * syntax_error = TRUE | |
| 232 * *** Unsupported features, when the input regexp uses an operator that is not | |
| 233 * implemented in the NFA. The NFA engine fails silently, and reverts to the | |
| 234 * old backtracking engine. | |
| 235 * syntax_error = FALSE | |
| 236 * "The NFA fails" means that "compiling the regexp with the NFA fails": | |
| 237 * nfa_regcomp() returns FAIL. | |
| 238 */ | |
| 239 static int syntax_error = FALSE; | |
| 240 | |
| 241 /* NFA regexp \ze operator encountered. */ | |
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242 static int nfa_has_zend; |
| 4444 | 243 |
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244 /* NFA regexp \1 .. \9 encountered. */ |
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245 static int nfa_has_backref; |
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246 |
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247 #ifdef FEAT_SYN_HL |
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248 /* NFA regexp has \z( ), set zsubexpr. */ |
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249 static int nfa_has_zsubexpr; |
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250 #endif |
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251 |
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252 /* Number of sub expressions actually being used during execution. 1 if only |
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253 * the whole match (subexpr 0) is used. */ |
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254 static int nfa_nsubexpr; |
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255 |
| 4444 | 256 static int *post_start; /* holds the postfix form of r.e. */ |
| 257 static int *post_end; | |
| 258 static int *post_ptr; | |
| 259 | |
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260 static int nstate; /* Number of states in the NFA. Also used when |
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261 * executing. */ |
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262 static int istate; /* Index in the state vector, used in alloc_state() */ |
| 4444 | 263 |
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264 /* If not NULL match must end at this position */ |
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265 static save_se_T *nfa_endp = NULL; |
| 4444 | 266 |
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267 /* listid is global, so that it increases on recursive calls to |
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268 * nfa_regmatch(), which means we don't have to clear the lastlist field of |
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269 * all the states. */ |
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270 static int nfa_listid; |
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271 static int nfa_alt_listid; |
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272 |
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273 /* 0 for first call to nfa_regmatch(), 1 for recursive call. */ |
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274 static int nfa_ll_index = 0; |
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275 |
| 4444 | 276 static int nfa_regcomp_start __ARGS((char_u*expr, int re_flags)); |
| 277 static int nfa_recognize_char_class __ARGS((char_u *start, char_u *end, int extra_newl)); | |
| 278 static int nfa_emit_equi_class __ARGS((int c, int neg)); | |
| 279 static int nfa_regatom __ARGS((void)); | |
| 280 static int nfa_regpiece __ARGS((void)); | |
| 281 static int nfa_regconcat __ARGS((void)); | |
| 282 static int nfa_regbranch __ARGS((void)); | |
| 283 static int nfa_reg __ARGS((int paren)); | |
| 284 #ifdef DEBUG | |
| 285 static void nfa_set_code __ARGS((int c)); | |
| 286 static void nfa_postfix_dump __ARGS((char_u *expr, int retval)); | |
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287 static void nfa_print_state __ARGS((FILE *debugf, nfa_state_T *state)); |
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288 static void nfa_print_state2 __ARGS((FILE *debugf, nfa_state_T *state, garray_T *indent)); |
| 4444 | 289 static void nfa_dump __ARGS((nfa_regprog_T *prog)); |
| 290 #endif | |
| 291 static int *re2post __ARGS((void)); | |
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292 static nfa_state_T *alloc_state __ARGS((int c, nfa_state_T *out, nfa_state_T *out1)); |
| 4444 | 293 static nfa_state_T *post2nfa __ARGS((int *postfix, int *end, int nfa_calc_size)); |
| 294 static int check_char_class __ARGS((int class, int c)); | |
| 295 static void st_error __ARGS((int *postfix, int *end, int *p)); | |
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296 static void nfa_save_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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297 static void nfa_restore_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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298 static int nfa_re_num_cmp __ARGS((long_u val, int op, long_u pos)); |
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299 static long nfa_regtry __ARGS((nfa_regprog_T *prog, colnr_T col)); |
| 4444 | 300 static long nfa_regexec_both __ARGS((char_u *line, colnr_T col)); |
| 301 static regprog_T *nfa_regcomp __ARGS((char_u *expr, int re_flags)); | |
| 302 static int nfa_regexec __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); | |
| 303 static long nfa_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm)); | |
| 304 | |
| 305 /* helper functions used when doing re2post() ... regatom() parsing */ | |
| 306 #define EMIT(c) do { \ | |
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307 if (post_ptr >= post_end && realloc_post_list() == FAIL) \ |
| 4444 | 308 return FAIL; \ |
| 309 *post_ptr++ = c; \ | |
| 310 } while (0) | |
| 311 | |
| 312 /* | |
| 313 * Initialize internal variables before NFA compilation. | |
| 314 * Return OK on success, FAIL otherwise. | |
| 315 */ | |
| 316 static int | |
| 317 nfa_regcomp_start(expr, re_flags) | |
| 318 char_u *expr; | |
| 319 int re_flags; /* see vim_regcomp() */ | |
| 320 { | |
| 4458 | 321 size_t postfix_size; |
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322 int nstate_max; |
| 4444 | 323 |
| 324 nstate = 0; | |
| 325 istate = 0; | |
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326 /* A reasonable estimation for maximum size */ |
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327 nstate_max = (int)(STRLEN(expr) + 1) * 25; |
| 4444 | 328 |
| 4454 | 329 /* Some items blow up in size, such as [A-z]. Add more space for that. |
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330 * When it is still not enough realloc_post_list() will be used. */ |
| 4458 | 331 nstate_max += 1000; |
| 4454 | 332 |
| 333 /* Size for postfix representation of expr. */ | |
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334 postfix_size = sizeof(int) * nstate_max; |
| 4454 | 335 |
| 4444 | 336 post_start = (int *)lalloc(postfix_size, TRUE); |
| 337 if (post_start == NULL) | |
| 338 return FAIL; | |
| 339 vim_memset(post_start, 0, postfix_size); | |
| 340 post_ptr = post_start; | |
| 4454 | 341 post_end = post_start + nstate_max; |
| 4444 | 342 nfa_has_zend = FALSE; |
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343 nfa_has_backref = FALSE; |
| 4444 | 344 |
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345 /* shared with BT engine */ |
| 4444 | 346 regcomp_start(expr, re_flags); |
| 347 | |
| 348 return OK; | |
| 349 } | |
| 350 | |
| 351 /* | |
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352 * Allocate more space for post_start. Called when |
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353 * running above the estimated number of states. |
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354 */ |
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355 static int |
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356 realloc_post_list() |
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357 { |
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358 int nstate_max = (int)(post_end - post_start); |
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359 int new_max = nstate_max + 1000; |
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360 int *new_start; |
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361 int *old_start; |
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362 |
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363 new_start = (int *)lalloc(new_max * sizeof(int), TRUE); |
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364 if (new_start == NULL) |
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365 return FAIL; |
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366 mch_memmove(new_start, post_start, nstate_max * sizeof(int)); |
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367 vim_memset(new_start + nstate_max, 0, 1000 * sizeof(int)); |
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368 old_start = post_start; |
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369 post_start = new_start; |
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370 post_ptr = new_start + (post_ptr - old_start); |
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371 post_end = post_start + new_max; |
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372 vim_free(old_start); |
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373 return OK; |
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374 } |
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375 |
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376 /* |
| 4444 | 377 * Search between "start" and "end" and try to recognize a |
| 378 * character class in expanded form. For example [0-9]. | |
| 379 * On success, return the id the character class to be emitted. | |
| 380 * On failure, return 0 (=FAIL) | |
| 381 * Start points to the first char of the range, while end should point | |
| 382 * to the closing brace. | |
| 383 */ | |
| 384 static int | |
| 385 nfa_recognize_char_class(start, end, extra_newl) | |
| 386 char_u *start; | |
| 387 char_u *end; | |
| 388 int extra_newl; | |
| 389 { | |
|
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390 # define CLASS_not 0x80 |
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391 # define CLASS_af 0x40 |
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392 # define CLASS_AF 0x20 |
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393 # define CLASS_az 0x10 |
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394 # define CLASS_AZ 0x08 |
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395 # define CLASS_o7 0x04 |
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396 # define CLASS_o9 0x02 |
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397 # define CLASS_underscore 0x01 |
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398 |
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399 int newl = FALSE; |
| 4444 | 400 char_u *p; |
|
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401 int config = 0; |
| 4444 | 402 |
| 403 if (extra_newl == TRUE) | |
| 404 newl = TRUE; | |
| 405 | |
| 406 if (*end != ']') | |
| 407 return FAIL; | |
| 408 p = start; | |
| 409 if (*p == '^') | |
| 410 { | |
|
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411 config |= CLASS_not; |
|
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412 p++; |
| 4444 | 413 } |
| 414 | |
| 415 while (p < end) | |
| 416 { | |
| 417 if (p + 2 < end && *(p + 1) == '-') | |
| 418 { | |
| 419 switch (*p) | |
| 420 { | |
| 421 case '0': | |
| 422 if (*(p + 2) == '9') | |
| 423 { | |
|
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424 config |= CLASS_o9; |
| 4444 | 425 break; |
| 426 } | |
| 427 else | |
| 428 if (*(p + 2) == '7') | |
| 429 { | |
|
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430 config |= CLASS_o7; |
| 4444 | 431 break; |
| 432 } | |
| 433 case 'a': | |
| 434 if (*(p + 2) == 'z') | |
| 435 { | |
|
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436 config |= CLASS_az; |
| 4444 | 437 break; |
| 438 } | |
| 439 else | |
| 440 if (*(p + 2) == 'f') | |
| 441 { | |
|
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442 config |= CLASS_af; |
| 4444 | 443 break; |
| 444 } | |
| 445 case 'A': | |
| 446 if (*(p + 2) == 'Z') | |
| 447 { | |
|
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448 config |= CLASS_AZ; |
| 4444 | 449 break; |
| 450 } | |
| 451 else | |
| 452 if (*(p + 2) == 'F') | |
| 453 { | |
|
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454 config |= CLASS_AF; |
| 4444 | 455 break; |
| 456 } | |
| 457 /* FALLTHROUGH */ | |
| 458 default: | |
| 459 return FAIL; | |
| 460 } | |
| 461 p += 3; | |
| 462 } | |
| 463 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
| 464 { | |
| 465 newl = TRUE; | |
| 466 p += 2; | |
| 467 } | |
| 468 else if (*p == '_') | |
| 469 { | |
|
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470 config |= CLASS_underscore; |
| 4444 | 471 p ++; |
| 472 } | |
| 473 else if (*p == '\n') | |
| 474 { | |
| 475 newl = TRUE; | |
| 476 p ++; | |
| 477 } | |
| 478 else | |
| 479 return FAIL; | |
| 480 } /* while (p < end) */ | |
| 481 | |
| 482 if (p != end) | |
| 483 return FAIL; | |
| 484 | |
| 485 if (newl == TRUE) | |
|
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486 extra_newl = ADD_NL; |
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487 |
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488 switch (config) |
| 4444 | 489 { |
|
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490 case CLASS_o9: |
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491 return extra_newl + NFA_DIGIT; |
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492 case CLASS_not | CLASS_o9: |
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493 return extra_newl + NFA_NDIGIT; |
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494 case CLASS_af | CLASS_AF | CLASS_o9: |
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495 return extra_newl + NFA_HEX; |
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496 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9: |
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497 return extra_newl + NFA_NHEX; |
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498 case CLASS_o7: |
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499 return extra_newl + NFA_OCTAL; |
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500 case CLASS_not | CLASS_o7: |
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501 return extra_newl + NFA_NOCTAL; |
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502 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
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503 return extra_newl + NFA_WORD; |
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504 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
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505 return extra_newl + NFA_NWORD; |
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506 case CLASS_az | CLASS_AZ | CLASS_underscore: |
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507 return extra_newl + NFA_HEAD; |
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508 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore: |
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509 return extra_newl + NFA_NHEAD; |
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510 case CLASS_az | CLASS_AZ: |
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511 return extra_newl + NFA_ALPHA; |
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512 case CLASS_not | CLASS_az | CLASS_AZ: |
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513 return extra_newl + NFA_NALPHA; |
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514 case CLASS_az: |
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515 return extra_newl + NFA_LOWER; |
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516 case CLASS_not | CLASS_az: |
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517 return extra_newl + NFA_NLOWER; |
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518 case CLASS_AZ: |
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519 return extra_newl + NFA_UPPER; |
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520 case CLASS_not | CLASS_AZ: |
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521 return extra_newl + NFA_NUPPER; |
| 4444 | 522 } |
| 523 return FAIL; | |
| 524 } | |
| 525 | |
| 526 /* | |
| 527 * Produce the bytes for equivalence class "c". | |
| 528 * Currently only handles latin1, latin9 and utf-8. | |
| 529 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
| 530 * equivalent to 'a OR b OR c' | |
| 531 * | |
| 532 * NOTE! When changing this function, also update reg_equi_class() | |
| 533 */ | |
| 534 static int | |
| 535 nfa_emit_equi_class(c, neg) | |
| 536 int c; | |
| 537 int neg; | |
| 538 { | |
| 539 int first = TRUE; | |
| 540 int glue = neg == TRUE ? NFA_CONCAT : NFA_OR; | |
| 541 #define EMIT2(c) \ | |
| 542 EMIT(c); \ | |
| 543 if (neg == TRUE) { \ | |
| 544 EMIT(NFA_NOT); \ | |
| 545 } \ | |
| 546 if (first == FALSE) \ | |
| 547 EMIT(glue); \ | |
| 548 else \ | |
| 549 first = FALSE; \ | |
| 550 | |
| 551 #ifdef FEAT_MBYTE | |
| 552 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 | |
| 553 || STRCMP(p_enc, "iso-8859-15") == 0) | |
| 554 #endif | |
| 555 { | |
| 556 switch (c) | |
| 557 { | |
| 558 case 'A': case '\300': case '\301': case '\302': | |
| 559 case '\303': case '\304': case '\305': | |
| 560 EMIT2('A'); EMIT2('\300'); EMIT2('\301'); | |
| 561 EMIT2('\302'); EMIT2('\303'); EMIT2('\304'); | |
| 562 EMIT2('\305'); | |
| 563 return OK; | |
| 564 | |
| 565 case 'C': case '\307': | |
| 566 EMIT2('C'); EMIT2('\307'); | |
| 567 return OK; | |
| 568 | |
| 569 case 'E': case '\310': case '\311': case '\312': case '\313': | |
| 570 EMIT2('E'); EMIT2('\310'); EMIT2('\311'); | |
| 571 EMIT2('\312'); EMIT2('\313'); | |
| 572 return OK; | |
| 573 | |
| 574 case 'I': case '\314': case '\315': case '\316': case '\317': | |
| 575 EMIT2('I'); EMIT2('\314'); EMIT2('\315'); | |
| 576 EMIT2('\316'); EMIT2('\317'); | |
| 577 return OK; | |
| 578 | |
| 579 case 'N': case '\321': | |
| 580 EMIT2('N'); EMIT2('\321'); | |
| 581 return OK; | |
| 582 | |
| 583 case 'O': case '\322': case '\323': case '\324': case '\325': | |
| 584 case '\326': | |
| 585 EMIT2('O'); EMIT2('\322'); EMIT2('\323'); | |
| 586 EMIT2('\324'); EMIT2('\325'); EMIT2('\326'); | |
| 587 return OK; | |
| 588 | |
| 589 case 'U': case '\331': case '\332': case '\333': case '\334': | |
| 590 EMIT2('U'); EMIT2('\331'); EMIT2('\332'); | |
| 591 EMIT2('\333'); EMIT2('\334'); | |
| 592 return OK; | |
| 593 | |
| 594 case 'Y': case '\335': | |
| 595 EMIT2('Y'); EMIT2('\335'); | |
| 596 return OK; | |
| 597 | |
| 598 case 'a': case '\340': case '\341': case '\342': | |
| 599 case '\343': case '\344': case '\345': | |
| 600 EMIT2('a'); EMIT2('\340'); EMIT2('\341'); | |
| 601 EMIT2('\342'); EMIT2('\343'); EMIT2('\344'); | |
| 602 EMIT2('\345'); | |
| 603 return OK; | |
| 604 | |
| 605 case 'c': case '\347': | |
| 606 EMIT2('c'); EMIT2('\347'); | |
| 607 return OK; | |
| 608 | |
| 609 case 'e': case '\350': case '\351': case '\352': case '\353': | |
| 610 EMIT2('e'); EMIT2('\350'); EMIT2('\351'); | |
| 611 EMIT2('\352'); EMIT2('\353'); | |
| 612 return OK; | |
| 613 | |
| 614 case 'i': case '\354': case '\355': case '\356': case '\357': | |
| 615 EMIT2('i'); EMIT2('\354'); EMIT2('\355'); | |
| 616 EMIT2('\356'); EMIT2('\357'); | |
| 617 return OK; | |
| 618 | |
| 619 case 'n': case '\361': | |
| 620 EMIT2('n'); EMIT2('\361'); | |
| 621 return OK; | |
| 622 | |
| 623 case 'o': case '\362': case '\363': case '\364': case '\365': | |
| 624 case '\366': | |
| 625 EMIT2('o'); EMIT2('\362'); EMIT2('\363'); | |
| 626 EMIT2('\364'); EMIT2('\365'); EMIT2('\366'); | |
| 627 return OK; | |
| 628 | |
| 629 case 'u': case '\371': case '\372': case '\373': case '\374': | |
| 630 EMIT2('u'); EMIT2('\371'); EMIT2('\372'); | |
| 631 EMIT2('\373'); EMIT2('\374'); | |
| 632 return OK; | |
| 633 | |
| 634 case 'y': case '\375': case '\377': | |
| 635 EMIT2('y'); EMIT2('\375'); EMIT2('\377'); | |
| 636 return OK; | |
| 637 | |
| 638 default: | |
| 639 return FAIL; | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 EMIT(c); | |
| 644 return OK; | |
| 645 #undef EMIT2 | |
| 646 } | |
| 647 | |
| 648 /* | |
| 649 * Code to parse regular expression. | |
| 650 * | |
| 651 * We try to reuse parsing functions in regexp.c to | |
| 652 * minimize surprise and keep the syntax consistent. | |
| 653 */ | |
| 654 | |
| 655 /* | |
| 656 * Parse the lowest level. | |
| 657 * | |
| 658 * An atom can be one of a long list of items. Many atoms match one character | |
| 659 * in the text. It is often an ordinary character or a character class. | |
| 660 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
| 661 * is only for syntax highlighting. | |
| 662 * | |
| 663 * atom ::= ordinary-atom | |
| 664 * or \( pattern \) | |
| 665 * or \%( pattern \) | |
| 666 * or \z( pattern \) | |
| 667 */ | |
| 668 static int | |
| 669 nfa_regatom() | |
| 670 { | |
| 671 int c; | |
| 672 int charclass; | |
| 673 int equiclass; | |
| 674 int collclass; | |
| 675 int got_coll_char; | |
| 676 char_u *p; | |
| 677 char_u *endp; | |
| 678 #ifdef FEAT_MBYTE | |
| 679 char_u *old_regparse = regparse; | |
| 680 #endif | |
| 681 int extra = 0; | |
| 682 int first; | |
| 683 int emit_range; | |
| 684 int negated; | |
| 685 int result; | |
| 686 int startc = -1; | |
| 687 int endc = -1; | |
| 688 int oldstartc = -1; | |
| 689 int glue; /* ID that will "glue" nodes together */ | |
| 690 | |
| 691 c = getchr(); | |
| 692 switch (c) | |
| 693 { | |
|
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694 case NUL: |
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695 syntax_error = TRUE; |
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696 EMSG_RET_FAIL(_("E865: (NFA) Regexp end encountered prematurely")); |
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697 |
| 4444 | 698 case Magic('^'): |
| 699 EMIT(NFA_BOL); | |
| 700 break; | |
| 701 | |
| 702 case Magic('$'): | |
| 703 EMIT(NFA_EOL); | |
| 704 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 705 had_eol = TRUE; | |
| 706 #endif | |
| 707 break; | |
| 708 | |
| 709 case Magic('<'): | |
| 710 EMIT(NFA_BOW); | |
| 711 break; | |
| 712 | |
| 713 case Magic('>'): | |
| 714 EMIT(NFA_EOW); | |
| 715 break; | |
| 716 | |
| 717 case Magic('_'): | |
| 718 c = no_Magic(getchr()); | |
| 719 if (c == '^') /* "\_^" is start-of-line */ | |
| 720 { | |
| 721 EMIT(NFA_BOL); | |
| 722 break; | |
| 723 } | |
| 724 if (c == '$') /* "\_$" is end-of-line */ | |
| 725 { | |
| 726 EMIT(NFA_EOL); | |
| 727 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 728 had_eol = TRUE; | |
| 729 #endif | |
| 730 break; | |
| 731 } | |
| 732 | |
| 733 extra = ADD_NL; | |
| 734 | |
| 735 /* "\_[" is collection plus newline */ | |
| 736 if (c == '[') | |
|
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737 goto collection; |
| 4444 | 738 |
| 739 /* "\_x" is character class plus newline */ | |
| 740 /*FALLTHROUGH*/ | |
| 741 | |
| 742 /* | |
| 743 * Character classes. | |
| 744 */ | |
| 745 case Magic('.'): | |
| 746 case Magic('i'): | |
| 747 case Magic('I'): | |
| 748 case Magic('k'): | |
| 749 case Magic('K'): | |
| 750 case Magic('f'): | |
| 751 case Magic('F'): | |
| 752 case Magic('p'): | |
| 753 case Magic('P'): | |
| 754 case Magic('s'): | |
| 755 case Magic('S'): | |
| 756 case Magic('d'): | |
| 757 case Magic('D'): | |
| 758 case Magic('x'): | |
| 759 case Magic('X'): | |
| 760 case Magic('o'): | |
| 761 case Magic('O'): | |
| 762 case Magic('w'): | |
| 763 case Magic('W'): | |
| 764 case Magic('h'): | |
| 765 case Magic('H'): | |
| 766 case Magic('a'): | |
| 767 case Magic('A'): | |
| 768 case Magic('l'): | |
| 769 case Magic('L'): | |
| 770 case Magic('u'): | |
| 771 case Magic('U'): | |
| 772 p = vim_strchr(classchars, no_Magic(c)); | |
| 773 if (p == NULL) | |
| 774 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
775 EMSGN("INTERNAL: Unknown character class char: %ld", c); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
776 return FAIL; |
| 4444 | 777 } |
| 778 #ifdef FEAT_MBYTE | |
| 779 /* When '.' is followed by a composing char ignore the dot, so that | |
| 780 * the composing char is matched here. */ | |
| 781 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) | |
| 782 { | |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
783 old_regparse = regparse; |
| 4444 | 784 c = getchr(); |
| 785 goto nfa_do_multibyte; | |
| 786 } | |
| 787 #endif | |
| 788 EMIT(nfa_classcodes[p - classchars]); | |
| 789 if (extra == ADD_NL) | |
| 790 { | |
| 791 EMIT(NFA_NEWL); | |
| 792 EMIT(NFA_OR); | |
| 793 regflags |= RF_HASNL; | |
| 794 } | |
| 795 break; | |
| 796 | |
| 797 case Magic('n'): | |
| 798 if (reg_string) | |
| 799 /* In a string "\n" matches a newline character. */ | |
| 800 EMIT(NL); | |
| 801 else | |
| 802 { | |
| 803 /* In buffer text "\n" matches the end of a line. */ | |
| 804 EMIT(NFA_NEWL); | |
| 805 regflags |= RF_HASNL; | |
| 806 } | |
| 807 break; | |
| 808 | |
| 809 case Magic('('): | |
| 810 if (nfa_reg(REG_PAREN) == FAIL) | |
| 811 return FAIL; /* cascaded error */ | |
| 812 break; | |
| 813 | |
| 814 case Magic('|'): | |
| 815 case Magic('&'): | |
| 816 case Magic(')'): | |
| 817 syntax_error = TRUE; | |
| 4450 | 818 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 819 return FAIL; |
| 820 | |
| 821 case Magic('='): | |
| 822 case Magic('?'): | |
| 823 case Magic('+'): | |
| 824 case Magic('@'): | |
| 825 case Magic('*'): | |
| 826 case Magic('{'): | |
| 827 /* these should follow an atom, not form an atom */ | |
| 828 syntax_error = TRUE; | |
| 4450 | 829 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 830 return FAIL; |
| 831 | |
|
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
832 case Magic('~'): |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
833 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
834 char_u *lp; |
|
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 /* Previous substitute pattern. |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
837 * Generated as "\%(pattern\)". */ |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
838 if (reg_prev_sub == NULL) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
839 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
840 EMSG(_(e_nopresub)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
841 return FAIL; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
842 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
843 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
|
844 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
845 EMIT(PTR2CHAR(lp)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
846 if (lp != reg_prev_sub) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
847 EMIT(NFA_CONCAT); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
848 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
849 EMIT(NFA_NOPEN); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
850 break; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
851 } |
| 4444 | 852 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
853 case Magic('1'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
854 case Magic('2'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
855 case Magic('3'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
856 case Magic('4'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
857 case Magic('5'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
858 case Magic('6'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
859 case Magic('7'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
860 case Magic('8'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
861 case Magic('9'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
862 EMIT(NFA_BACKREF1 + (no_Magic(c) - '1')); |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
863 nfa_has_backref = TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
864 break; |
| 4444 | 865 |
| 866 case Magic('z'): | |
| 867 c = no_Magic(getchr()); | |
| 868 switch (c) | |
| 869 { | |
| 870 case 's': | |
| 871 EMIT(NFA_ZSTART); | |
| 872 break; | |
| 873 case 'e': | |
| 874 EMIT(NFA_ZEND); | |
| 875 nfa_has_zend = TRUE; | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
876 break; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
877 #ifdef FEAT_SYN_HL |
| 4444 | 878 case '1': |
| 879 case '2': | |
| 880 case '3': | |
| 881 case '4': | |
| 882 case '5': | |
| 883 case '6': | |
| 884 case '7': | |
| 885 case '8': | |
| 886 case '9': | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
887 /* \z1...\z9 */ |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
888 if (reg_do_extmatch != REX_USE) |
|
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
889 EMSG_RET_FAIL(_(e_z1_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
890 EMIT(NFA_ZREF1 + (no_Magic(c) - '1')); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
891 /* 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
|
892 * change when \z1 .. \z9 matches or not. */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
893 re_has_z = REX_USE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
894 break; |
| 4444 | 895 case '(': |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
896 /* \z( */ |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
897 if (reg_do_extmatch != REX_SET) |
|
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
898 EMSG_RET_FAIL(_(e_z_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
899 if (nfa_reg(REG_ZPAREN) == FAIL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
900 return FAIL; /* cascaded error */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
901 re_has_z = REX_SET; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
902 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
903 #endif |
| 4444 | 904 default: |
| 905 syntax_error = TRUE; | |
| 4450 | 906 EMSGN(_("E867: (NFA) Unknown operator '\\z%c'"), |
| 4444 | 907 no_Magic(c)); |
| 908 return FAIL; | |
| 909 } | |
| 910 break; | |
| 911 | |
| 912 case Magic('%'): | |
| 913 c = no_Magic(getchr()); | |
| 914 switch (c) | |
| 915 { | |
| 916 /* () without a back reference */ | |
| 917 case '(': | |
| 918 if (nfa_reg(REG_NPAREN) == FAIL) | |
| 919 return FAIL; | |
| 920 EMIT(NFA_NOPEN); | |
| 921 break; | |
| 922 | |
| 923 case 'd': /* %d123 decimal */ | |
| 924 case 'o': /* %o123 octal */ | |
| 925 case 'x': /* %xab hex 2 */ | |
| 926 case 'u': /* %uabcd hex 4 */ | |
| 927 case 'U': /* %U1234abcd hex 8 */ | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
928 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
929 int nr; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
930 |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
931 switch (c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
932 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
933 case 'd': nr = getdecchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
934 case 'o': nr = getoctchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
935 case 'x': nr = gethexchrs(2); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
936 case 'u': nr = gethexchrs(4); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
937 case 'U': nr = gethexchrs(8); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
938 default: nr = -1; break; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
939 } |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
940 |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
941 if (nr < 0) |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
942 EMSG2_RET_FAIL( |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
943 _("E678: Invalid character after %s%%[dxouU]"), |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
944 reg_magic == MAGIC_ALL); |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
945 /* TODO: what if a composing character follows? */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
946 EMIT(nr); |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
947 } |
| 4444 | 948 break; |
| 949 | |
| 950 /* Catch \%^ and \%$ regardless of where they appear in the | |
| 951 * pattern -- regardless of whether or not it makes sense. */ | |
| 952 case '^': | |
| 953 EMIT(NFA_BOF); | |
| 954 break; | |
| 955 | |
| 956 case '$': | |
| 957 EMIT(NFA_EOF); | |
| 958 break; | |
| 959 | |
| 960 case '#': | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
961 EMIT(NFA_CURSOR); |
| 4444 | 962 break; |
| 963 | |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
964 #ifdef FEAT_VISUAL |
| 4444 | 965 case 'V': |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
966 EMIT(NFA_VISUAL); |
| 4444 | 967 break; |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
968 #endif |
| 4444 | 969 |
| 970 case '[': | |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
971 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
972 int n; |
|
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 /* \%[abc] */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
975 for (n = 0; (c = getchr()) != ']'; ++n) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
976 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
977 if (c == NUL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
978 EMSG2_RET_FAIL(_(e_missing_sb), |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
979 reg_magic == MAGIC_ALL); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
980 EMIT(c); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
981 } |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
982 EMIT(NFA_OPT_CHARS); |
|
97560c16ca99
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|
983 EMIT(n); |
|
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|
984 break; |
|
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|
985 } |
|
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|
986 |
| 4444 | 987 default: |
|
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|
988 { |
|
4655
779ca415f8e1
updated for version 7.3.1075
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4651
diff
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|
989 int n = 0; |
|
4583
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|
990 int cmp = c; |
|
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|
991 |
|
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|
992 if (c == '<' || c == '>') |
|
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|
993 c = getchr(); |
|
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|
994 while (VIM_ISDIGIT(c)) |
|
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|
995 { |
|
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|
996 n = n * 10 + (c - '0'); |
|
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|
997 c = getchr(); |
|
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|
998 } |
|
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|
999 if (c == 'l' || c == 'c' || c == 'v') |
|
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|
1000 { |
|
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diff
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|
1001 if (c == 'l') |
|
4732
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|
1002 /* \%{n}l \%{n}<l \%{n}>l */ |
|
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|
1003 EMIT(cmp == '<' ? NFA_LNUM_LT : |
|
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|
1004 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM); |
|
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|
1005 else if (c == 'c') |
|
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|
1006 /* \%{n}c \%{n}<c \%{n}>c */ |
|
4583
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|
1007 EMIT(cmp == '<' ? NFA_COL_LT : |
|
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|
1008 cmp == '>' ? NFA_COL_GT : NFA_COL); |
|
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|
1009 else |
|
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|
1010 /* \%{n}v \%{n}<v \%{n}>v */ |
|
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|
1011 EMIT(cmp == '<' ? NFA_VCOL_LT : |
|
4732
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|
1012 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); |
|
4740
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|
1013 EMIT(n); |
|
4583
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|
1014 break; |
|
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1015 } |
|
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1016 else if (c == '\'' && n == 0) |
|
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|
1017 { |
|
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|
1018 /* \%'m \%<'m \%>'m */ |
|
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|
1019 EMIT(cmp == '<' ? NFA_MARK_LT : |
|
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|
1020 cmp == '>' ? NFA_MARK_GT : NFA_MARK); |
|
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|
1021 EMIT(getchr()); |
|
4732
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1022 break; |
|
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|
1023 } |
|
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|
1024 } |
|
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|
1025 syntax_error = TRUE; |
|
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|
1026 EMSGN(_("E867: (NFA) Unknown operator '\\%%%c'"), |
|
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|
1027 no_Magic(c)); |
| 4444 | 1028 return FAIL; |
| 1029 } | |
| 1030 break; | |
| 1031 | |
| 1032 case Magic('['): | |
|
4517
9a2183bd8295
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diff
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|
1033 collection: |
| 4444 | 1034 /* |
| 1035 * Glue is emitted between several atoms from the []. | |
| 1036 * It is either NFA_OR, or NFA_CONCAT. | |
| 1037 * | |
| 1038 * [abc] expands to 'a b NFA_OR c NFA_OR' (in postfix notation) | |
| 1039 * [^abc] expands to 'a NFA_NOT b NFA_NOT NFA_CONCAT c NFA_NOT | |
| 1040 * NFA_CONCAT NFA_END_NEG_RANGE NFA_CONCAT' (in postfix | |
| 1041 * notation) | |
| 1042 * | |
| 1043 */ | |
| 1044 | |
| 1045 | |
| 1046 /* Emit negation atoms, if needed. | |
| 1047 * The CONCAT below merges the NOT with the previous node. */ | |
| 1048 #define TRY_NEG() \ | |
| 1049 if (negated == TRUE) \ | |
| 1050 { \ | |
| 1051 EMIT(NFA_NOT); \ | |
| 1052 } | |
| 1053 | |
| 1054 /* Emit glue between important nodes : CONCAT or OR. */ | |
| 1055 #define EMIT_GLUE() \ | |
| 1056 if (first == FALSE) \ | |
| 1057 EMIT(glue); \ | |
| 1058 else \ | |
| 1059 first = FALSE; | |
| 1060 | |
| 1061 p = regparse; | |
| 1062 endp = skip_anyof(p); | |
| 1063 if (*endp == ']') | |
| 1064 { | |
| 1065 /* | |
| 1066 * Try to reverse engineer character classes. For example, | |
| 1067 * recognize that [0-9] stands for \d and [A-Za-z_] with \h, | |
| 1068 * and perform the necessary substitutions in the NFA. | |
| 1069 */ | |
| 1070 result = nfa_recognize_char_class(regparse, endp, | |
| 1071 extra == ADD_NL); | |
| 1072 if (result != FAIL) | |
| 1073 { | |
| 1074 if (result >= NFA_DIGIT && result <= NFA_NUPPER) | |
| 1075 EMIT(result); | |
| 1076 else /* must be char class + newline */ | |
| 1077 { | |
| 1078 EMIT(result - ADD_NL); | |
| 1079 EMIT(NFA_NEWL); | |
| 1080 EMIT(NFA_OR); | |
| 1081 } | |
| 1082 regparse = endp; | |
|
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|
1083 mb_ptr_adv(regparse); |
| 4444 | 1084 return OK; |
| 1085 } | |
| 1086 /* | |
| 1087 * Failed to recognize a character class. Use the simple | |
| 1088 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
| 1089 */ | |
| 1090 startc = endc = oldstartc = -1; | |
| 1091 first = TRUE; /* Emitting first atom in this sequence? */ | |
| 1092 negated = FALSE; | |
| 1093 glue = NFA_OR; | |
| 1094 if (*regparse == '^') /* negated range */ | |
| 1095 { | |
| 1096 negated = TRUE; | |
| 1097 glue = NFA_CONCAT; | |
|
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|
1098 mb_ptr_adv(regparse); |
| 4444 | 1099 } |
| 1100 if (*regparse == '-') | |
| 1101 { | |
| 1102 startc = '-'; | |
| 1103 EMIT(startc); | |
| 1104 TRY_NEG(); | |
| 1105 EMIT_GLUE(); | |
|
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|
1106 mb_ptr_adv(regparse); |
| 4444 | 1107 } |
| 1108 /* Emit the OR branches for each character in the [] */ | |
| 1109 emit_range = FALSE; | |
| 1110 while (regparse < endp) | |
| 1111 { | |
| 1112 oldstartc = startc; | |
| 1113 startc = -1; | |
| 1114 got_coll_char = FALSE; | |
| 1115 if (*regparse == '[') | |
| 1116 { | |
| 1117 /* Check for [: :], [= =], [. .] */ | |
| 1118 equiclass = collclass = 0; | |
| 1119 charclass = get_char_class(®parse); | |
| 1120 if (charclass == CLASS_NONE) | |
| 1121 { | |
| 1122 equiclass = get_equi_class(®parse); | |
| 1123 if (equiclass == 0) | |
| 1124 collclass = get_coll_element(®parse); | |
| 1125 } | |
| 1126 | |
| 1127 /* Character class like [:alpha:] */ | |
| 1128 if (charclass != CLASS_NONE) | |
| 1129 { | |
| 1130 switch (charclass) | |
| 1131 { | |
| 1132 case CLASS_ALNUM: | |
| 1133 EMIT(NFA_CLASS_ALNUM); | |
| 1134 break; | |
| 1135 case CLASS_ALPHA: | |
| 1136 EMIT(NFA_CLASS_ALPHA); | |
| 1137 break; | |
| 1138 case CLASS_BLANK: | |
| 1139 EMIT(NFA_CLASS_BLANK); | |
| 1140 break; | |
| 1141 case CLASS_CNTRL: | |
| 1142 EMIT(NFA_CLASS_CNTRL); | |
| 1143 break; | |
| 1144 case CLASS_DIGIT: | |
| 1145 EMIT(NFA_CLASS_DIGIT); | |
| 1146 break; | |
| 1147 case CLASS_GRAPH: | |
| 1148 EMIT(NFA_CLASS_GRAPH); | |
| 1149 break; | |
| 1150 case CLASS_LOWER: | |
| 1151 EMIT(NFA_CLASS_LOWER); | |
| 1152 break; | |
| 1153 case CLASS_PRINT: | |
| 1154 EMIT(NFA_CLASS_PRINT); | |
| 1155 break; | |
| 1156 case CLASS_PUNCT: | |
| 1157 EMIT(NFA_CLASS_PUNCT); | |
| 1158 break; | |
| 1159 case CLASS_SPACE: | |
| 1160 EMIT(NFA_CLASS_SPACE); | |
| 1161 break; | |
| 1162 case CLASS_UPPER: | |
| 1163 EMIT(NFA_CLASS_UPPER); | |
| 1164 break; | |
| 1165 case CLASS_XDIGIT: | |
| 1166 EMIT(NFA_CLASS_XDIGIT); | |
| 1167 break; | |
| 1168 case CLASS_TAB: | |
| 1169 EMIT(NFA_CLASS_TAB); | |
| 1170 break; | |
| 1171 case CLASS_RETURN: | |
| 1172 EMIT(NFA_CLASS_RETURN); | |
| 1173 break; | |
| 1174 case CLASS_BACKSPACE: | |
| 1175 EMIT(NFA_CLASS_BACKSPACE); | |
| 1176 break; | |
| 1177 case CLASS_ESCAPE: | |
| 1178 EMIT(NFA_CLASS_ESCAPE); | |
| 1179 break; | |
| 1180 } | |
| 1181 TRY_NEG(); | |
| 1182 EMIT_GLUE(); | |
| 1183 continue; | |
| 1184 } | |
| 1185 /* Try equivalence class [=a=] and the like */ | |
| 1186 if (equiclass != 0) | |
| 1187 { | |
| 1188 result = nfa_emit_equi_class(equiclass, negated); | |
| 1189 if (result == FAIL) | |
| 1190 { | |
| 1191 /* should never happen */ | |
| 1192 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); | |
| 1193 } | |
| 1194 EMIT_GLUE(); | |
| 1195 continue; | |
| 1196 } | |
| 1197 /* Try collating class like [. .] */ | |
| 1198 if (collclass != 0) | |
| 1199 { | |
| 1200 startc = collclass; /* allow [.a.]-x as a range */ | |
| 1201 /* Will emit the proper atom at the end of the | |
| 1202 * while loop. */ | |
| 1203 } | |
| 1204 } | |
|
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|
1205 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a |
|
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|
1206 * start character. */ |
|
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|
1207 if (*regparse == '-' && oldstartc != -1) |
| 4444 | 1208 { |
| 1209 emit_range = TRUE; | |
| 1210 startc = oldstartc; | |
|
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|
1211 mb_ptr_adv(regparse); |
| 4444 | 1212 continue; /* reading the end of the range */ |
| 1213 } | |
| 1214 | |
| 1215 /* Now handle simple and escaped characters. | |
| 1216 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
| 1217 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
| 1218 * 'cpoptions' is not included. | |
| 1219 * Posix doesn't recognize backslash at all. | |
| 1220 */ | |
| 1221 if (*regparse == '\\' | |
|
4744
a62695305e03
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|
1222 && !reg_cpo_bsl |
| 4444 | 1223 && regparse + 1 <= endp |
| 1224 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
|
4744
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|
1225 || (!reg_cpo_lit |
| 4444 | 1226 && vim_strchr(REGEXP_ABBR, regparse[1]) |
| 1227 != NULL) | |
| 1228 ) | |
| 1229 ) | |
| 1230 { | |
|
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|
1231 mb_ptr_adv(regparse); |
| 4444 | 1232 |
|
4507
9dbbddb2ed10
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diff
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|
1233 if (*regparse == 'n') |
| 4444 | 1234 startc = reg_string ? NL : NFA_NEWL; |
| 1235 else | |
| 1236 if (*regparse == 'd' | |
| 1237 || *regparse == 'o' | |
| 1238 || *regparse == 'x' | |
| 1239 || *regparse == 'u' | |
| 1240 || *regparse == 'U' | |
| 1241 ) | |
| 1242 { | |
| 1243 /* TODO(RE) This needs more testing */ | |
| 1244 startc = coll_get_char(); | |
| 1245 got_coll_char = TRUE; | |
|
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|
1246 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1247 } |
| 1248 else | |
| 1249 { | |
| 1250 /* \r,\t,\e,\b */ | |
| 1251 startc = backslash_trans(*regparse); | |
| 1252 } | |
| 1253 } | |
| 1254 | |
| 1255 /* Normal printable char */ | |
| 1256 if (startc == -1) | |
|
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|
1257 startc = PTR2CHAR(regparse); |
| 4444 | 1258 |
| 1259 /* Previous char was '-', so this char is end of range. */ | |
| 1260 if (emit_range) | |
| 1261 { | |
|
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1262 endc = startc; |
|
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|
1263 startc = oldstartc; |
| 4444 | 1264 if (startc > endc) |
| 1265 EMSG_RET_FAIL(_(e_invrange)); | |
| 1266 #ifdef FEAT_MBYTE | |
| 1267 if (has_mbyte && ((*mb_char2len)(startc) > 1 | |
| 1268 || (*mb_char2len)(endc) > 1)) | |
| 1269 { | |
| 1270 if (endc > startc + 256) | |
| 1271 EMSG_RET_FAIL(_(e_invrange)); | |
| 1272 /* Emit the range. "startc" was already emitted, so | |
| 1273 * skip it. */ | |
| 1274 for (c = startc + 1; c <= endc; c++) | |
| 1275 { | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
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diff
changeset
|
1276 EMIT(c); |
| 4444 | 1277 TRY_NEG(); |
| 1278 EMIT_GLUE(); | |
| 1279 } | |
| 1280 } | |
| 1281 else | |
| 1282 #endif | |
| 1283 { | |
| 1284 #ifdef EBCDIC | |
| 1285 int alpha_only = FALSE; | |
| 1286 | |
| 1287 /* for alphabetical range skip the gaps | |
| 1288 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
| 1289 if (isalpha(startc) && isalpha(endc)) | |
| 1290 alpha_only = TRUE; | |
| 1291 #endif | |
| 1292 /* Emit the range. "startc" was already emitted, so | |
| 1293 * skip it. */ | |
| 1294 for (c = startc + 1; c <= endc; c++) | |
| 1295 #ifdef EBCDIC | |
| 1296 if (!alpha_only || isalpha(startc)) | |
| 1297 #endif | |
| 1298 { | |
| 1299 EMIT(c); | |
| 1300 TRY_NEG(); | |
| 1301 EMIT_GLUE(); | |
| 1302 } | |
| 1303 } | |
|
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|
1304 emit_range = FALSE; |
|
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|
1305 startc = -1; |
| 4444 | 1306 } |
| 1307 else | |
| 1308 { | |
| 1309 /* | |
| 1310 * This char (startc) is not part of a range. Just | |
| 1311 * emit it. | |
| 1312 * | |
| 1313 * Normally, simply emit startc. But if we get char | |
| 1314 * code=0 from a collating char, then replace it with | |
| 1315 * 0x0a. | |
| 1316 * | |
| 1317 * This is needed to completely mimic the behaviour of | |
| 1318 * the backtracking engine. | |
| 1319 */ | |
| 1320 if (got_coll_char == TRUE && startc == 0) | |
| 1321 EMIT(0x0a); | |
| 1322 else | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
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|
1323 EMIT(startc); |
| 4444 | 1324 TRY_NEG(); |
| 1325 EMIT_GLUE(); | |
| 1326 } | |
| 1327 | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
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4571
diff
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|
1328 mb_ptr_adv(regparse); |
| 4444 | 1329 } /* while (p < endp) */ |
| 1330 | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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parents:
4571
diff
changeset
|
1331 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1332 if (*regparse == '-') /* if last, '-' is just a char */ |
| 1333 { | |
| 1334 EMIT('-'); | |
| 1335 TRY_NEG(); | |
| 1336 EMIT_GLUE(); | |
| 1337 } | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1338 mb_ptr_adv(regparse); |
| 4444 | 1339 |
| 1340 /* skip the trailing ] */ | |
| 1341 regparse = endp; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1342 mb_ptr_adv(regparse); |
| 4444 | 1343 if (negated == TRUE) |
| 1344 { | |
| 1345 /* Mark end of negated char range */ | |
| 1346 EMIT(NFA_END_NEG_RANGE); | |
| 1347 EMIT(NFA_CONCAT); | |
| 1348 } | |
|
4615
5679b8ddd8cc
updated for version 7.3.1055
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parents:
4583
diff
changeset
|
1349 |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
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4583
diff
changeset
|
1350 /* \_[] also matches \n but it's not negated */ |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1351 if (extra == ADD_NL) |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
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4583
diff
changeset
|
1352 { |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1353 EMIT(reg_string ? NL : NFA_NEWL); |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1354 EMIT(NFA_OR); |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1355 } |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1356 |
| 4444 | 1357 return OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
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4527
diff
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|
1358 } /* if exists closing ] */ |
|
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
changeset
|
1359 |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
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4527
diff
changeset
|
1360 if (reg_strict) |
| 4444 | 1361 { |
| 1362 syntax_error = TRUE; | |
| 1363 EMSG_RET_FAIL(_(e_missingbracket)); | |
| 1364 } | |
|
4529
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
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|
1365 /* FALLTHROUGH */ |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
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|
1366 |
| 4444 | 1367 default: |
| 1368 { | |
| 1369 #ifdef FEAT_MBYTE | |
| 1370 int plen; | |
| 1371 | |
| 1372 nfa_do_multibyte: | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1373 /* plen is length of current char with composing chars */ |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
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4541
diff
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|
1374 if (enc_utf8 && ((*mb_char2len)(c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
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|
1375 != (plen = (*mb_ptr2len)(old_regparse)) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1376 || utf_iscomposing(c))) |
| 4444 | 1377 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1378 int i = 0; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1379 |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
1380 /* A base character plus composing characters, or just one |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
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|
1381 * or more composing characters. |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
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4525
diff
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|
1382 * This requires creating a separate atom as if enclosing |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1383 * 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
|
1384 * NFA_END_COMPOSING is the ). Note that right now we are |
| 4444 | 1385 * building the postfix form, not the NFA itself; |
| 1386 * a composing char could be: a, b, c, NFA_COMPOSING | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1387 * where 'b' and 'c' are chars with codes > 256. */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
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|
1388 for (;;) |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
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|
1389 { |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1390 EMIT(c); |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1391 if (i > 0) |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1392 EMIT(NFA_CONCAT); |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
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|
1393 if ((i += utf_char2len(c)) >= plen) |
|
4527
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1394 break; |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1395 c = utf_ptr2char(old_regparse + i); |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1396 } |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1397 EMIT(NFA_COMPOSING); |
| 4444 | 1398 regparse = old_regparse + plen; |
| 1399 } | |
| 1400 else | |
| 1401 #endif | |
| 1402 { | |
| 1403 c = no_Magic(c); | |
| 1404 EMIT(c); | |
| 1405 } | |
| 1406 return OK; | |
| 1407 } | |
| 1408 } | |
| 1409 | |
| 1410 #undef TRY_NEG | |
| 1411 #undef EMIT_GLUE | |
| 1412 | |
| 1413 return OK; | |
| 1414 } | |
| 1415 | |
| 1416 /* | |
| 1417 * Parse something followed by possible [*+=]. | |
| 1418 * | |
| 1419 * A piece is an atom, possibly followed by a multi, an indication of how many | |
| 1420 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
| 1421 * characters: "", "a", "aa", etc. | |
| 1422 * | |
| 1423 * piece ::= atom | |
| 1424 * or atom multi | |
| 1425 */ | |
| 1426 static int | |
| 1427 nfa_regpiece() | |
| 1428 { | |
| 1429 int i; | |
| 1430 int op; | |
| 1431 int ret; | |
| 1432 long minval, maxval; | |
| 1433 int greedy = TRUE; /* Braces are prefixed with '-' ? */ | |
|
4679
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updated for version 7.3.1087
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4677
diff
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|
1434 parse_state_T old_state; |
|
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1435 parse_state_T new_state; |
| 4444 | 1436 int c2; |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
1437 int old_post_pos; |
|
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
1438 int my_post_start; |
| 4444 | 1439 int quest; |
| 1440 | |
|
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
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4677
diff
changeset
|
1441 /* 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
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|
1442 * next. */ |
|
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1443 save_parse_state(&old_state); |
|
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1444 |
| 4444 | 1445 /* 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
|
1446 my_post_start = (int)(post_ptr - post_start); |
| 4444 | 1447 |
| 1448 ret = nfa_regatom(); | |
| 1449 if (ret == FAIL) | |
| 1450 return FAIL; /* cascaded error */ | |
| 1451 | |
| 1452 op = peekchr(); | |
| 1453 if (re_multi_type(op) == NOT_MULTI) | |
| 1454 return OK; | |
| 1455 | |
| 1456 skipchr(); | |
| 1457 switch (op) | |
| 1458 { | |
| 1459 case Magic('*'): | |
| 1460 EMIT(NFA_STAR); | |
| 1461 break; | |
| 1462 | |
| 1463 case Magic('+'): | |
| 1464 /* | |
| 1465 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
| 1466 * first and only submatch would be "aaa". But the backtracking | |
| 1467 * engine interprets the plus as "try matching one more time", and | |
| 1468 * a* matches a second time at the end of the input, the empty | |
| 1469 * string. | |
| 1470 * The submatch will the empty string. | |
| 1471 * | |
|
4673
05d57d7c2d55
updated for version 7.3.1084
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parents:
4671
diff
changeset
|
1472 * 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
|
1473 * <atom>+ with <atom><atom>* |
| 4444 | 1474 */ |
|
4679
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1475 restore_parse_state(&old_state); |
| 4444 | 1476 curchr = -1; |
| 1477 if (nfa_regatom() == FAIL) | |
| 1478 return FAIL; | |
| 1479 EMIT(NFA_STAR); | |
| 1480 EMIT(NFA_CONCAT); | |
| 1481 skipchr(); /* skip the \+ */ | |
| 1482 break; | |
| 1483 | |
| 1484 case Magic('@'): | |
|
4682
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1485 c2 = getdecchrs(); |
| 4444 | 1486 op = no_Magic(getchr()); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1487 i = 0; |
| 4444 | 1488 switch(op) |
| 1489 { | |
| 1490 case '=': | |
|
4682
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1491 /* \@= */ |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1492 i = NFA_PREV_ATOM_NO_WIDTH; |
| 4444 | 1493 break; |
|
4661
0dce3d812e7a
updated for version 7.3.1078
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parents:
4657
diff
changeset
|
1494 case '!': |
|
4682
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parents:
4679
diff
changeset
|
1495 /* \@! */ |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1496 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
|
4661
0dce3d812e7a
updated for version 7.3.1078
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parents:
4657
diff
changeset
|
1497 break; |
| 4444 | 1498 case '<': |
|
4682
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1499 op = no_Magic(getchr()); |
|
2f51ee8825db
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diff
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|
1500 if (op == '=') |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1501 /* \@<= */ |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1502 i = NFA_PREV_ATOM_JUST_BEFORE; |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
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diff
changeset
|
1503 else if (op == '!') |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1504 /* \@<! */ |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1505 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1506 break; |
| 4444 | 1507 case '>': |
|
4682
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1508 /* \@> Not supported yet */ |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1509 /* i = NFA_PREV_ATOM_LIKE_PATTERN; */ |
| 4444 | 1510 return FAIL; |
| 1511 } | |
|
4682
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diff
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|
1512 if (i == 0) |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1513 { |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1514 syntax_error = TRUE; |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1515 EMSGN(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1516 return FAIL; |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
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|
1517 } |
|
2f51ee8825db
updated for version 7.3.1088
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diff
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|
1518 EMIT(i); |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1519 if (i == NFA_PREV_ATOM_JUST_BEFORE |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
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diff
changeset
|
1520 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1521 EMIT(c2); |
| 4444 | 1522 break; |
| 1523 | |
| 1524 case Magic('?'): | |
| 1525 case Magic('='): | |
| 1526 EMIT(NFA_QUEST); | |
| 1527 break; | |
| 1528 | |
| 1529 case Magic('{'): | |
| 1530 /* a{2,5} will expand to 'aaa?a?a?' | |
| 1531 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy | |
| 1532 * version of '?' | |
| 1533 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the | |
| 1534 * parenthesis have the same id | |
| 1535 */ | |
| 1536 | |
| 1537 greedy = TRUE; | |
| 1538 c2 = peekchr(); | |
| 1539 if (c2 == '-' || c2 == Magic('-')) | |
| 1540 { | |
| 1541 skipchr(); | |
| 1542 greedy = FALSE; | |
| 1543 } | |
| 1544 if (!read_limits(&minval, &maxval)) | |
| 1545 { | |
| 1546 syntax_error = TRUE; | |
| 1547 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
| 1548 } | |
| 1549 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to | |
| 1550 * <atom>* */ | |
|
4675
811a4c9b51d8
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4673
diff
changeset
|
1551 if (minval == 0 && maxval == MAX_LIMIT) |
| 4444 | 1552 { |
|
4675
811a4c9b51d8
updated for version 7.3.1085
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parents:
4673
diff
changeset
|
1553 if (greedy) |
|
811a4c9b51d8
updated for version 7.3.1085
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parents:
4673
diff
changeset
|
1554 /* \{}, \{0,} */ |
|
811a4c9b51d8
updated for version 7.3.1085
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|
1555 EMIT(NFA_STAR); |
|
811a4c9b51d8
updated for version 7.3.1085
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|
1556 else |
|
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updated for version 7.3.1085
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|
1557 /* \{-}, \{-0,} */ |
|
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updated for version 7.3.1085
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|
1558 EMIT(NFA_STAR_NONGREEDY); |
| 4444 | 1559 break; |
| 1560 } | |
| 1561 | |
| 1562 /* Special case: x{0} or x{-0} */ | |
| 1563 if (maxval == 0) | |
| 1564 { | |
| 1565 /* Ignore result of previous call to nfa_regatom() */ | |
|
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updated for version 7.3.1073
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diff
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|
1566 post_ptr = post_start + my_post_start; |
| 4444 | 1567 /* NFA_SKIP_CHAR has 0-length and works everywhere */ |
| 1568 EMIT(NFA_SKIP_CHAR); | |
| 1569 return OK; | |
| 1570 } | |
| 1571 | |
| 1572 /* Ignore previous call to nfa_regatom() */ | |
|
4651
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updated for version 7.3.1073
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|
1573 post_ptr = post_start + my_post_start; |
|
4679
4d92b873acef
updated for version 7.3.1087
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4677
diff
changeset
|
1574 /* Save parse state after the repeated atom and the \{} */ |
|
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updated for version 7.3.1087
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|
1575 save_parse_state(&new_state); |
| 4444 | 1576 |
| 1577 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
| 1578 for (i = 0; i < maxval; i++) | |
| 1579 { | |
| 1580 /* Goto beginning of the repeated atom */ | |
|
4679
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updated for version 7.3.1087
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|
1581 restore_parse_state(&old_state); |
|
4651
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updated for version 7.3.1073
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|
1582 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1583 if (nfa_regatom() == FAIL) |
| 1584 return FAIL; | |
| 1585 /* after "minval" times, atoms are optional */ | |
| 1586 if (i + 1 > minval) | |
|
4673
05d57d7c2d55
updated for version 7.3.1084
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|
1587 { |
|
05d57d7c2d55
updated for version 7.3.1084
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|
1588 if (maxval == MAX_LIMIT) |
|
4675
811a4c9b51d8
updated for version 7.3.1085
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|
1589 { |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
1590 if (greedy) |
|
811a4c9b51d8
updated for version 7.3.1085
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|
1591 EMIT(NFA_STAR); |
|
811a4c9b51d8
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|
1592 else |
|
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|
1593 EMIT(NFA_STAR_NONGREEDY); |
|
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|
1594 } |
|
4673
05d57d7c2d55
updated for version 7.3.1084
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diff
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|
1595 else |
|
05d57d7c2d55
updated for version 7.3.1084
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|
1596 EMIT(quest); |
|
05d57d7c2d55
updated for version 7.3.1084
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|
1597 } |
|
4651
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|
1598 if (old_post_pos != my_post_start) |
| 4444 | 1599 EMIT(NFA_CONCAT); |
|
4673
05d57d7c2d55
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|
1600 if (i + 1 > minval && maxval == MAX_LIMIT) |
|
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|
1601 break; |
| 4444 | 1602 } |
| 1603 | |
| 1604 /* Go to just after the repeated atom and the \{} */ | |
|
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updated for version 7.3.1087
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|
1605 restore_parse_state(&new_state); |
| 4444 | 1606 curchr = -1; |
| 1607 | |
| 1608 break; | |
| 1609 | |
| 1610 | |
| 1611 default: | |
| 1612 break; | |
| 1613 } /* end switch */ | |
| 1614 | |
| 1615 if (re_multi_type(peekchr()) != NOT_MULTI) | |
| 1616 { | |
| 1617 /* Can't have a multi follow a multi. */ | |
| 1618 syntax_error = TRUE; | |
| 1619 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi !")); | |
| 1620 } | |
| 1621 | |
| 1622 return OK; | |
| 1623 } | |
| 1624 | |
| 1625 /* | |
| 1626 * Parse one or more pieces, concatenated. It matches a match for the | |
| 1627 * first piece, followed by a match for the second piece, etc. Example: | |
| 1628 * "f[0-9]b", first matches "f", then a digit and then "b". | |
| 1629 * | |
| 1630 * concat ::= piece | |
| 1631 * or piece piece | |
| 1632 * or piece piece piece | |
| 1633 * etc. | |
| 1634 */ | |
| 1635 static int | |
| 1636 nfa_regconcat() | |
| 1637 { | |
| 1638 int cont = TRUE; | |
| 1639 int first = TRUE; | |
| 1640 | |
| 1641 while (cont) | |
| 1642 { | |
| 1643 switch (peekchr()) | |
| 1644 { | |
| 1645 case NUL: | |
| 1646 case Magic('|'): | |
| 1647 case Magic('&'): | |
| 1648 case Magic(')'): | |
| 1649 cont = FALSE; | |
| 1650 break; | |
| 1651 | |
| 1652 case Magic('Z'): | |
| 1653 #ifdef FEAT_MBYTE | |
| 1654 regflags |= RF_ICOMBINE; | |
| 1655 #endif | |
| 1656 skipchr_keepstart(); | |
| 1657 break; | |
| 1658 case Magic('c'): | |
| 1659 regflags |= RF_ICASE; | |
| 1660 skipchr_keepstart(); | |
| 1661 break; | |
| 1662 case Magic('C'): | |
| 1663 regflags |= RF_NOICASE; | |
| 1664 skipchr_keepstart(); | |
| 1665 break; | |
| 1666 case Magic('v'): | |
| 1667 reg_magic = MAGIC_ALL; | |
| 1668 skipchr_keepstart(); | |
| 1669 curchr = -1; | |
| 1670 break; | |
| 1671 case Magic('m'): | |
| 1672 reg_magic = MAGIC_ON; | |
| 1673 skipchr_keepstart(); | |
| 1674 curchr = -1; | |
| 1675 break; | |
| 1676 case Magic('M'): | |
| 1677 reg_magic = MAGIC_OFF; | |
| 1678 skipchr_keepstart(); | |
| 1679 curchr = -1; | |
| 1680 break; | |
| 1681 case Magic('V'): | |
| 1682 reg_magic = MAGIC_NONE; | |
| 1683 skipchr_keepstart(); | |
| 1684 curchr = -1; | |
| 1685 break; | |
| 1686 | |
| 1687 default: | |
| 1688 if (nfa_regpiece() == FAIL) | |
| 1689 return FAIL; | |
| 1690 if (first == FALSE) | |
| 1691 EMIT(NFA_CONCAT); | |
| 1692 else | |
| 1693 first = FALSE; | |
| 1694 break; | |
| 1695 } | |
| 1696 } | |
| 1697 | |
| 1698 return OK; | |
| 1699 } | |
| 1700 | |
| 1701 /* | |
| 1702 * Parse a branch, one or more concats, separated by "\&". It matches the | |
| 1703 * last concat, but only if all the preceding concats also match at the same | |
| 1704 * position. Examples: | |
| 1705 * "foobeep\&..." matches "foo" in "foobeep". | |
| 1706 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
| 1707 * | |
| 1708 * branch ::= concat | |
| 1709 * or concat \& concat | |
| 1710 * or concat \& concat \& concat | |
| 1711 * etc. | |
| 1712 */ | |
| 1713 static int | |
| 1714 nfa_regbranch() | |
| 1715 { | |
| 1716 int ch; | |
|
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|
1717 int old_post_pos; |
|
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|
1718 |
|
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|
1719 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1720 |
| 1721 /* First branch, possibly the only one */ | |
| 1722 if (nfa_regconcat() == FAIL) | |
| 1723 return FAIL; | |
| 1724 | |
| 1725 ch = peekchr(); | |
| 1726 /* Try next concats */ | |
| 1727 while (ch == Magic('&')) | |
| 1728 { | |
| 1729 skipchr(); | |
| 1730 EMIT(NFA_NOPEN); | |
| 1731 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
|
4651
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diff
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|
1732 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1733 if (nfa_regconcat() == FAIL) |
| 1734 return FAIL; | |
| 1735 /* if concat is empty, skip a input char. But do emit a node */ | |
|
4651
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diff
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|
1736 if (old_post_pos == (int)(post_ptr - post_start)) |
| 4444 | 1737 EMIT(NFA_SKIP_CHAR); |
| 1738 EMIT(NFA_CONCAT); | |
| 1739 ch = peekchr(); | |
| 1740 } | |
| 1741 | |
| 1742 /* Even if a branch is empty, emit one node for it */ | |
|
4651
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updated for version 7.3.1073
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diff
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|
1743 if (old_post_pos == (int)(post_ptr - post_start)) |
| 4444 | 1744 EMIT(NFA_SKIP_CHAR); |
| 1745 | |
| 1746 return OK; | |
| 1747 } | |
| 1748 | |
| 1749 /* | |
| 1750 * Parse a pattern, one or more branches, separated by "\|". It matches | |
| 1751 * anything that matches one of the branches. Example: "foo\|beep" matches | |
| 1752 * "foo" and matches "beep". If more than one branch matches, the first one | |
| 1753 * is used. | |
| 1754 * | |
| 1755 * pattern ::= branch | |
| 1756 * or branch \| branch | |
| 1757 * or branch \| branch \| branch | |
| 1758 * etc. | |
| 1759 */ | |
| 1760 static int | |
| 1761 nfa_reg(paren) | |
| 1762 int paren; /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ | |
| 1763 { | |
| 1764 int parno = 0; | |
| 1765 | |
| 1766 if (paren == REG_PAREN) | |
| 1767 { | |
| 1768 if (regnpar >= NSUBEXP) /* Too many `(' */ | |
| 1769 { | |
| 1770 syntax_error = TRUE; | |
| 1771 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); | |
| 1772 } | |
| 1773 parno = regnpar++; | |
| 1774 } | |
|
4686
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|
1775 #ifdef FEAT_SYN_HL |
|
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|
1776 else if (paren == REG_ZPAREN) |
|
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|
1777 { |
|
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updated for version 7.3.1090
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|
1778 /* Make a ZOPEN node. */ |
|
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|
1779 if (regnzpar >= NSUBEXP) |
|
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|
1780 { |
|
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|
1781 syntax_error = TRUE; |
|
8db697ae406a
updated for version 7.3.1090
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|
1782 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
|
8db697ae406a
updated for version 7.3.1090
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|
1783 } |
|
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|
1784 parno = regnzpar++; |
|
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|
1785 } |
|
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|
1786 #endif |
| 4444 | 1787 |
| 1788 if (nfa_regbranch() == FAIL) | |
| 1789 return FAIL; /* cascaded error */ | |
| 1790 | |
| 1791 while (peekchr() == Magic('|')) | |
| 1792 { | |
| 1793 skipchr(); | |
| 1794 if (nfa_regbranch() == FAIL) | |
| 1795 return FAIL; /* cascaded error */ | |
| 1796 EMIT(NFA_OR); | |
| 1797 } | |
| 1798 | |
| 1799 /* Check for proper termination. */ | |
| 1800 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
| 1801 { | |
| 1802 syntax_error = TRUE; | |
| 1803 if (paren == REG_NPAREN) | |
| 1804 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
| 1805 else | |
| 1806 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
| 1807 } | |
| 1808 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
| 1809 { | |
| 1810 syntax_error = TRUE; | |
| 1811 if (peekchr() == Magic(')')) | |
| 1812 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
| 1813 else | |
| 1814 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
| 1815 } | |
| 1816 /* | |
| 1817 * Here we set the flag allowing back references to this set of | |
| 1818 * parentheses. | |
| 1819 */ | |
| 1820 if (paren == REG_PAREN) | |
| 1821 { | |
| 1822 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
| 1823 EMIT(NFA_MOPEN + parno); | |
| 1824 } | |
|
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1825 #ifdef FEAT_SYN_HL |
|
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|
1826 else if (paren == REG_ZPAREN) |
|
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|
1827 EMIT(NFA_ZOPEN + parno); |
|
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|
1828 #endif |
| 4444 | 1829 |
| 1830 return OK; | |
| 1831 } | |
| 1832 | |
| 1833 #ifdef DEBUG | |
| 1834 static char_u code[50]; | |
| 1835 | |
| 1836 static void | |
| 1837 nfa_set_code(c) | |
| 1838 int c; | |
| 1839 { | |
| 1840 int addnl = FALSE; | |
| 1841 | |
| 1842 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
| 1843 { | |
| 1844 addnl = TRUE; | |
| 1845 c -= ADD_NL; | |
| 1846 } | |
| 1847 | |
| 1848 STRCPY(code, ""); | |
| 1849 switch (c) | |
| 1850 { | |
| 1851 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
| 1852 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
| 1853 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
| 1854 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
| 1855 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
| 1856 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
| 1857 | |
|
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|
1858 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
|
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|
1859 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
|
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|
1860 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
|
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|
1861 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
|
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1862 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
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1863 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
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1864 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
|
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1865 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
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1866 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break; |
|
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1867 #ifdef FEAT_SYN_HL |
|
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1868 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
|
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1869 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
|
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1870 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
|
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1871 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
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1872 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
|
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diff
changeset
|
1873 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
|
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diff
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|
1874 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
|
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|
1875 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
|
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|
1876 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
|
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changeset
|
1877 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
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diff
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|
1878 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
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diff
changeset
|
1879 |
| 4444 | 1880 case NFA_PREV_ATOM_NO_WIDTH: |
| 1881 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break; | |
|
4583
321cfbef9431
updated for version 7.3.1039
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parents:
4579
diff
changeset
|
1882 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
321cfbef9431
updated for version 7.3.1039
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diff
changeset
|
1883 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break; |
|
4682
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1884 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1885 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
|
2f51ee8825db
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parents:
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diff
changeset
|
1886 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1887 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE_NEG"); break; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
1888 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
|
93b7ed814bec
updated for version 7.3.1076
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parents:
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diff
changeset
|
1889 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
| 4444 | 1890 case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break; |
|
4682
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parents:
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diff
changeset
|
1891 case NFA_START_INVISIBLE_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
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parents:
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diff
changeset
|
1892 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
| 4444 | 1893 case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break; |
| 1894 | |
| 1895 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
| 1896 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
|
1897 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break; |
| 4444 | 1898 |
|
4686
8db697ae406a
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diff
changeset
|
1899 case NFA_MOPEN: |
|
8db697ae406a
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diff
changeset
|
1900 case NFA_MOPEN1: |
|
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diff
changeset
|
1901 case NFA_MOPEN2: |
|
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parents:
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diff
changeset
|
1902 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1903 case NFA_MOPEN4: |
|
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parents:
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diff
changeset
|
1904 case NFA_MOPEN5: |
|
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diff
changeset
|
1905 case NFA_MOPEN6: |
|
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diff
changeset
|
1906 case NFA_MOPEN7: |
|
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updated for version 7.3.1090
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parents:
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diff
changeset
|
1907 case NFA_MOPEN8: |
|
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updated for version 7.3.1090
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parents:
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diff
changeset
|
1908 case NFA_MOPEN9: |
| 4444 | 1909 STRCPY(code, "NFA_MOPEN(x)"); |
| 1910 code[10] = c - NFA_MOPEN + '0'; | |
| 1911 break; | |
|
4686
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diff
changeset
|
1912 case NFA_MCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1913 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1914 case NFA_MCLOSE2: |
|
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updated for version 7.3.1090
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parents:
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diff
changeset
|
1915 case NFA_MCLOSE3: |
|
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updated for version 7.3.1090
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parents:
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diff
changeset
|
1916 case NFA_MCLOSE4: |
|
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updated for version 7.3.1090
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parents:
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diff
changeset
|
1917 case NFA_MCLOSE5: |
|
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updated for version 7.3.1090
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parents:
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diff
changeset
|
1918 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1919 case NFA_MCLOSE7: |
|
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updated for version 7.3.1090
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parents:
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diff
changeset
|
1920 case NFA_MCLOSE8: |
|
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updated for version 7.3.1090
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parents:
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diff
changeset
|
1921 case NFA_MCLOSE9: |
| 4444 | 1922 STRCPY(code, "NFA_MCLOSE(x)"); |
| 1923 code[11] = c - NFA_MCLOSE + '0'; | |
| 1924 break; | |
|
4686
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changeset
|
1925 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1926 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1927 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1928 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1929 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1930 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1931 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1932 case NFA_ZOPEN6: |
|
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updated for version 7.3.1090
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parents:
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diff
changeset
|
1933 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1934 case NFA_ZOPEN8: |
|
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updated for version 7.3.1090
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diff
changeset
|
1935 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1936 STRCPY(code, "NFA_ZOPEN(x)"); |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1937 code[10] = c - NFA_ZOPEN + '0'; |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1938 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1939 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1940 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1941 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1942 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1943 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1944 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1945 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1946 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1947 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1948 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
1949 STRCPY(code, "NFA_ZCLOSE(x)"); |
|
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updated for version 7.3.1090
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diff
changeset
|
1950 code[11] = c - NFA_ZCLOSE + '0'; |
|
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updated for version 7.3.1090
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diff
changeset
|
1951 break; |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1952 #endif |
| 4444 | 1953 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
| 1954 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
| 1955 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
| 1956 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
|
1957 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
1958 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
|
1959 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1960 case NFA_LNUM_GT: STRCPY(code, "NFA_LNUM_GT "); break; |
|
0798b096bab3
updated for version 7.3.1113
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parents:
4730
diff
changeset
|
1961 case NFA_LNUM_LT: STRCPY(code, "NFA_LNUM_LT "); break; |
|
0798b096bab3
updated for version 7.3.1113
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parents:
4730
diff
changeset
|
1962 case NFA_COL: STRCPY(code, "NFA_COL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1963 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
|
1964 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
|
1965 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1966 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
|
1967 case NFA_VCOL_LT: STRCPY(code, "NFA_VCOL_LT "); break; |
|
0798b096bab3
updated for version 7.3.1113
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parents:
4730
diff
changeset
|
1968 case NFA_MARK: STRCPY(code, "NFA_MARK "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1969 case NFA_MARK_GT: STRCPY(code, "NFA_MARK_GT "); break; |
|
0798b096bab3
updated for version 7.3.1113
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parents:
4730
diff
changeset
|
1970 case NFA_MARK_LT: STRCPY(code, "NFA_MARK_LT "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1971 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
|
1972 #ifdef FEAT_VISUAL |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1973 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
|
1974 #endif |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1975 |
| 4444 | 1976 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
|
1977 case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break; |
|
811a4c9b51d8
updated for version 7.3.1085
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parents:
4673
diff
changeset
|
1978 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
1979 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
| 4444 | 1980 case NFA_NOT: STRCPY(code, "NFA_NOT "); break; |
| 1981 case NFA_SKIP_CHAR: STRCPY(code, "NFA_SKIP_CHAR"); break; | |
| 1982 case NFA_OR: STRCPY(code, "NFA_OR"); break; | |
| 1983 case NFA_END_NEG_RANGE: STRCPY(code, "NFA_END_NEG_RANGE"); break; | |
| 1984 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; | |
| 1985 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
| 1986 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
| 1987 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
| 1988 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
| 1989 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
| 1990 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
| 1991 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
| 1992 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
| 1993 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
| 1994 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
| 1995 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
| 1996 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
| 1997 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
| 1998 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
| 1999 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break; | |
| 2000 | |
| 2001 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
| 2002 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
| 2003 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
| 2004 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
| 2005 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
| 2006 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
| 2007 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
| 2008 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
| 2009 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
| 2010 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
| 2011 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
| 2012 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
| 2013 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
| 2014 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
| 2015 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
| 2016 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
| 2017 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
| 2018 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
| 2019 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
| 2020 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
| 2021 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
| 2022 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
| 2023 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
| 2024 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
| 2025 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
| 2026 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
| 2027 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
| 2028 | |
| 2029 default: | |
| 2030 STRCPY(code, "CHAR(x)"); | |
| 2031 code[5] = c; | |
| 2032 } | |
| 2033 | |
| 2034 if (addnl == TRUE) | |
| 2035 STRCAT(code, " + NEWLINE "); | |
| 2036 | |
| 2037 } | |
| 2038 | |
| 2039 #ifdef ENABLE_LOG | |
| 2040 static FILE *log_fd; | |
| 2041 | |
| 2042 /* | |
| 2043 * Print the postfix notation of the current regexp. | |
| 2044 */ | |
| 2045 static void | |
| 2046 nfa_postfix_dump(expr, retval) | |
| 2047 char_u *expr; | |
| 2048 int retval; | |
| 2049 { | |
| 2050 int *p; | |
| 2051 FILE *f; | |
| 2052 | |
|
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2053 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2054 if (f != NULL) |
| 2055 { | |
| 2056 fprintf(f, "\n-------------------------\n"); | |
| 2057 if (retval == FAIL) | |
| 2058 fprintf(f, ">>> NFA engine failed ... \n"); | |
| 2059 else if (retval == OK) | |
| 2060 fprintf(f, ">>> NFA engine succeeded !\n"); | |
| 2061 fprintf(f, "Regexp: \"%s\"\nPostfix notation (char): \"", expr); | |
| 4464 | 2062 for (p = post_start; *p && p < post_end; p++) |
| 4444 | 2063 { |
| 2064 nfa_set_code(*p); | |
| 2065 fprintf(f, "%s, ", code); | |
| 2066 } | |
| 2067 fprintf(f, "\"\nPostfix notation (int): "); | |
| 4464 | 2068 for (p = post_start; *p && p < post_end; p++) |
| 4444 | 2069 fprintf(f, "%d ", *p); |
| 2070 fprintf(f, "\n\n"); | |
| 2071 fclose(f); | |
| 2072 } | |
| 2073 } | |
| 2074 | |
| 2075 /* | |
| 2076 * Print the NFA starting with a root node "state". | |
| 2077 */ | |
| 2078 static void | |
|
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2079 nfa_print_state(debugf, state) |
| 4444 | 2080 FILE *debugf; |
| 2081 nfa_state_T *state; | |
| 2082 { | |
|
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2083 garray_T indent; |
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2084 |
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2085 ga_init2(&indent, 1, 64); |
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2086 ga_append(&indent, '\0'); |
|
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2087 nfa_print_state2(debugf, state, &indent); |
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2088 ga_clear(&indent); |
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2089 } |
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2090 |
|
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2091 static void |
|
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2092 nfa_print_state2(debugf, state, indent) |
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2093 FILE *debugf; |
|
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2094 nfa_state_T *state; |
|
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2095 garray_T *indent; |
|
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2096 { |
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2097 char_u *p; |
| 4444 | 2098 |
| 2099 if (state == NULL) | |
| 2100 return; | |
| 2101 | |
| 2102 fprintf(debugf, "(%2d)", abs(state->id)); | |
|
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2103 |
|
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2104 /* Output indent */ |
|
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2105 p = (char_u *)indent->ga_data; |
|
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2106 if (indent->ga_len >= 3) |
|
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2107 { |
|
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2108 int last = indent->ga_len - 3; |
|
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2109 char_u save[2]; |
|
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2110 |
|
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2111 STRNCPY(save, &p[last], 2); |
|
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2112 STRNCPY(&p[last], "+-", 2); |
|
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2113 fprintf(debugf, " %s", p); |
|
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2114 STRNCPY(&p[last], save, 2); |
|
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2115 } |
|
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2116 else |
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2117 fprintf(debugf, " %s", p); |
| 4444 | 2118 |
| 2119 nfa_set_code(state->c); | |
|
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2120 fprintf(debugf, "%s%s (%d) (id=%d)\n", |
|
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2121 state->negated ? "NOT " : "", code, state->c, abs(state->id)); |
| 4444 | 2122 if (state->id < 0) |
| 2123 return; | |
| 2124 | |
| 2125 state->id = abs(state->id) * -1; | |
|
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2126 |
|
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2127 /* grow indent for state->out */ |
|
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|
2128 indent->ga_len -= 1; |
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|
2129 if (state->out1) |
|
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2130 ga_concat(indent, (char_u *)"| "); |
|
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2131 else |
|
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2132 ga_concat(indent, (char_u *)" "); |
|
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|
2133 ga_append(indent, '\0'); |
|
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|
2134 |
|
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|
2135 nfa_print_state2(debugf, state->out, indent); |
|
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2136 |
|
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|
2137 /* replace last part of indent for state->out1 */ |
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|
2138 indent->ga_len -= 3; |
|
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|
2139 ga_concat(indent, (char_u *)" "); |
|
4533
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|
2140 ga_append(indent, '\0'); |
|
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|
2141 |
|
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|
2142 nfa_print_state2(debugf, state->out1, indent); |
|
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2143 |
|
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|
2144 /* shrink indent */ |
|
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2145 indent->ga_len -= 3; |
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|
2146 ga_append(indent, '\0'); |
| 4444 | 2147 } |
| 2148 | |
| 2149 /* | |
| 2150 * Print the NFA state machine. | |
| 2151 */ | |
| 2152 static void | |
| 2153 nfa_dump(prog) | |
| 2154 nfa_regprog_T *prog; | |
| 2155 { | |
|
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|
2156 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2157 |
| 2158 if (debugf != NULL) | |
| 2159 { | |
|
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|
2160 nfa_print_state(debugf, prog->start); |
| 4444 | 2161 fclose(debugf); |
| 2162 } | |
| 2163 } | |
| 2164 #endif /* ENABLE_LOG */ | |
| 2165 #endif /* DEBUG */ | |
| 2166 | |
| 2167 /* | |
| 2168 * Parse r.e. @expr and convert it into postfix form. | |
| 2169 * Return the postfix string on success, NULL otherwise. | |
| 2170 */ | |
| 2171 static int * | |
| 2172 re2post() | |
| 2173 { | |
| 2174 if (nfa_reg(REG_NOPAREN) == FAIL) | |
| 2175 return NULL; | |
| 2176 EMIT(NFA_MOPEN); | |
| 2177 return post_start; | |
| 2178 } | |
| 2179 | |
| 2180 /* NB. Some of the code below is inspired by Russ's. */ | |
| 2181 | |
| 2182 /* | |
| 2183 * Represents an NFA state plus zero or one or two arrows exiting. | |
| 2184 * if c == MATCH, no arrows out; matching state. | |
| 2185 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
| 2186 * If c < 256, labeled arrow with character c to out. | |
| 2187 */ | |
| 2188 | |
| 2189 static nfa_state_T *state_ptr; /* points to nfa_prog->state */ | |
| 2190 | |
| 2191 /* | |
| 2192 * Allocate and initialize nfa_state_T. | |
| 2193 */ | |
| 2194 static nfa_state_T * | |
|
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|
2195 alloc_state(c, out, out1) |
| 4444 | 2196 int c; |
| 2197 nfa_state_T *out; | |
| 2198 nfa_state_T *out1; | |
| 2199 { | |
| 2200 nfa_state_T *s; | |
| 2201 | |
| 2202 if (istate >= nstate) | |
| 2203 return NULL; | |
| 2204 | |
| 2205 s = &state_ptr[istate++]; | |
| 2206 | |
| 2207 s->c = c; | |
| 2208 s->out = out; | |
| 2209 s->out1 = out1; | |
| 2210 | |
| 2211 s->id = istate; | |
|
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2212 s->lastlist[0] = 0; |
|
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|
2213 s->lastlist[1] = 0; |
| 4444 | 2214 s->negated = FALSE; |
| 2215 | |
| 2216 return s; | |
| 2217 } | |
| 2218 | |
| 2219 /* | |
| 2220 * A partially built NFA without the matching state filled in. | |
| 2221 * Frag_T.start points at the start state. | |
| 2222 * Frag_T.out is a list of places that need to be set to the | |
| 2223 * next state for this fragment. | |
| 2224 */ | |
|
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2225 |
|
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2226 /* Since the out pointers in the list are always |
|
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2227 * uninitialized, we use the pointers themselves |
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2228 * as storage for the Ptrlists. */ |
| 4444 | 2229 typedef union Ptrlist Ptrlist; |
|
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|
2230 union Ptrlist |
|
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|
2231 { |
|
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|
2232 Ptrlist *next; |
|
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|
2233 nfa_state_T *s; |
|
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|
2234 }; |
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|
2235 |
| 4444 | 2236 struct Frag |
| 2237 { | |
|
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|
2238 nfa_state_T *start; |
| 4444 | 2239 Ptrlist *out; |
| 2240 }; | |
| 2241 typedef struct Frag Frag_T; | |
| 2242 | |
| 2243 static Frag_T frag __ARGS((nfa_state_T *start, Ptrlist *out)); | |
| 2244 static Ptrlist *list1 __ARGS((nfa_state_T **outp)); | |
| 2245 static void patch __ARGS((Ptrlist *l, nfa_state_T *s)); | |
| 2246 static Ptrlist *append __ARGS((Ptrlist *l1, Ptrlist *l2)); | |
| 2247 static void st_push __ARGS((Frag_T s, Frag_T **p, Frag_T *stack_end)); | |
| 2248 static Frag_T st_pop __ARGS((Frag_T **p, Frag_T *stack)); | |
| 2249 | |
| 2250 /* | |
| 4456 | 2251 * Initialize a Frag_T struct and return it. |
| 4444 | 2252 */ |
| 2253 static Frag_T | |
| 2254 frag(start, out) | |
| 2255 nfa_state_T *start; | |
| 2256 Ptrlist *out; | |
| 2257 { | |
| 4456 | 2258 Frag_T n; |
| 2259 | |
| 2260 n.start = start; | |
| 2261 n.out = out; | |
| 4444 | 2262 return n; |
| 2263 } | |
| 2264 | |
| 2265 /* | |
| 2266 * Create singleton list containing just outp. | |
| 2267 */ | |
| 2268 static Ptrlist * | |
| 2269 list1(outp) | |
| 2270 nfa_state_T **outp; | |
| 2271 { | |
| 2272 Ptrlist *l; | |
| 2273 | |
| 2274 l = (Ptrlist *)outp; | |
| 2275 l->next = NULL; | |
| 2276 return l; | |
| 2277 } | |
| 2278 | |
| 2279 /* | |
| 2280 * Patch the list of states at out to point to start. | |
| 2281 */ | |
| 2282 static void | |
| 2283 patch(l, s) | |
| 2284 Ptrlist *l; | |
| 2285 nfa_state_T *s; | |
| 2286 { | |
| 2287 Ptrlist *next; | |
| 2288 | |
| 2289 for (; l; l = next) | |
| 2290 { | |
| 2291 next = l->next; | |
| 2292 l->s = s; | |
| 2293 } | |
| 2294 } | |
| 2295 | |
| 2296 | |
| 2297 /* | |
| 2298 * Join the two lists l1 and l2, returning the combination. | |
| 2299 */ | |
| 2300 static Ptrlist * | |
| 2301 append(l1, l2) | |
| 2302 Ptrlist *l1; | |
| 2303 Ptrlist *l2; | |
| 2304 { | |
| 2305 Ptrlist *oldl1; | |
| 2306 | |
| 2307 oldl1 = l1; | |
| 2308 while (l1->next) | |
| 2309 l1 = l1->next; | |
| 2310 l1->next = l2; | |
| 2311 return oldl1; | |
| 2312 } | |
| 2313 | |
| 2314 /* | |
| 2315 * Stack used for transforming postfix form into NFA. | |
| 2316 */ | |
| 2317 static Frag_T empty; | |
| 2318 | |
| 2319 static void | |
| 2320 st_error(postfix, end, p) | |
|
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diff
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|
2321 int *postfix UNUSED; |
|
1be43c095aff
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4529
diff
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|
2322 int *end UNUSED; |
|
1be43c095aff
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diff
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|
2323 int *p UNUSED; |
| 4444 | 2324 { |
|
4531
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updated for version 7.3.1013
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4529
diff
changeset
|
2325 #ifdef NFA_REGEXP_ERROR_LOG |
| 4444 | 2326 FILE *df; |
| 2327 int *p2; | |
| 2328 | |
|
4531
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Bram Moolenaar <bram@vim.org>
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4529
diff
changeset
|
2329 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
| 4444 | 2330 if (df) |
| 2331 { | |
| 2332 fprintf(df, "Error popping the stack!\n"); | |
| 2333 #ifdef DEBUG | |
| 2334 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr); | |
| 2335 #endif | |
| 2336 fprintf(df, "Postfix form is: "); | |
| 2337 #ifdef DEBUG | |
| 2338 for (p2 = postfix; p2 < end; p2++) | |
| 2339 { | |
| 2340 nfa_set_code(*p2); | |
| 2341 fprintf(df, "%s, ", code); | |
| 2342 } | |
| 2343 nfa_set_code(*p); | |
| 2344 fprintf(df, "\nCurrent position is: "); | |
| 2345 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2346 { | |
| 2347 nfa_set_code(*p2); | |
| 2348 fprintf(df, "%s, ", code); | |
| 2349 } | |
| 2350 #else | |
| 2351 for (p2 = postfix; p2 < end; p2++) | |
| 2352 { | |
| 2353 fprintf(df, "%d, ", *p2); | |
| 2354 } | |
| 2355 fprintf(df, "\nCurrent position is: "); | |
| 2356 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2357 { | |
| 2358 fprintf(df, "%d, ", *p2); | |
| 2359 } | |
| 2360 #endif | |
| 2361 fprintf(df, "\n--------------------------\n"); | |
| 2362 fclose(df); | |
| 2363 } | |
|
4531
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Bram Moolenaar <bram@vim.org>
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diff
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|
2364 #endif |
| 4444 | 2365 EMSG(_("E874: (NFA) Could not pop the stack !")); |
| 2366 } | |
| 2367 | |
| 2368 /* | |
| 2369 * Push an item onto the stack. | |
| 2370 */ | |
| 2371 static void | |
| 2372 st_push(s, p, stack_end) | |
| 2373 Frag_T s; | |
| 2374 Frag_T **p; | |
| 2375 Frag_T *stack_end; | |
| 2376 { | |
| 2377 Frag_T *stackp = *p; | |
| 2378 | |
| 2379 if (stackp >= stack_end) | |
| 2380 return; | |
| 2381 *stackp = s; | |
| 2382 *p = *p + 1; | |
| 2383 } | |
| 2384 | |
| 2385 /* | |
| 2386 * Pop an item from the stack. | |
| 2387 */ | |
| 2388 static Frag_T | |
| 2389 st_pop(p, stack) | |
| 2390 Frag_T **p; | |
| 2391 Frag_T *stack; | |
| 2392 { | |
| 2393 Frag_T *stackp; | |
| 2394 | |
| 2395 *p = *p - 1; | |
| 2396 stackp = *p; | |
| 2397 if (stackp < stack) | |
| 2398 return empty; | |
| 2399 return **p; | |
| 2400 } | |
| 2401 | |
| 2402 /* | |
| 2403 * Convert a postfix form into its equivalent NFA. | |
| 2404 * Return the NFA start state on success, NULL otherwise. | |
| 2405 */ | |
| 2406 static nfa_state_T * | |
| 2407 post2nfa(postfix, end, nfa_calc_size) | |
| 2408 int *postfix; | |
| 2409 int *end; | |
| 2410 int nfa_calc_size; | |
| 2411 { | |
| 2412 int *p; | |
| 2413 int mopen; | |
| 2414 int mclose; | |
| 2415 Frag_T *stack = NULL; | |
| 2416 Frag_T *stackp = NULL; | |
| 2417 Frag_T *stack_end = NULL; | |
| 2418 Frag_T e1; | |
| 2419 Frag_T e2; | |
| 2420 Frag_T e; | |
| 2421 nfa_state_T *s; | |
| 2422 nfa_state_T *s1; | |
| 2423 nfa_state_T *matchstate; | |
| 4484 | 2424 nfa_state_T *ret = NULL; |
| 4444 | 2425 |
| 2426 if (postfix == NULL) | |
| 2427 return NULL; | |
| 2428 | |
| 4456 | 2429 #define PUSH(s) st_push((s), &stackp, stack_end) |
| 4444 | 2430 #define POP() st_pop(&stackp, stack); \ |
| 2431 if (stackp < stack) \ | |
| 2432 { \ | |
| 2433 st_error(postfix, end, p); \ | |
| 2434 return NULL; \ | |
| 2435 } | |
| 2436 | |
| 2437 if (nfa_calc_size == FALSE) | |
| 2438 { | |
| 2439 /* Allocate space for the stack. Max states on the stack : nstate */ | |
|
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diff
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|
2440 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE); |
| 4444 | 2441 stackp = stack; |
| 4462 | 2442 stack_end = stack + (nstate + 1); |
| 4444 | 2443 } |
| 2444 | |
| 2445 for (p = postfix; p < end; ++p) | |
| 2446 { | |
| 2447 switch (*p) | |
| 2448 { | |
| 2449 case NFA_CONCAT: | |
| 2450 /* Catenation. | |
| 2451 * Pay attention: this operator does not exist | |
| 2452 * in the r.e. itself (it is implicit, really). | |
| 2453 * It is added when r.e. is translated to postfix | |
| 2454 * form in re2post(). | |
| 2455 * | |
| 2456 * No new state added here. */ | |
| 2457 if (nfa_calc_size == TRUE) | |
| 2458 { | |
| 4458 | 2459 /* nstate += 0; */ |
| 4444 | 2460 break; |
| 2461 } | |
| 2462 e2 = POP(); | |
| 2463 e1 = POP(); | |
| 2464 patch(e1.out, e2.start); | |
| 2465 PUSH(frag(e1.start, e2.out)); | |
| 2466 break; | |
| 2467 | |
| 2468 case NFA_NOT: | |
| 2469 /* Negation of a character */ | |
| 2470 if (nfa_calc_size == TRUE) | |
| 2471 { | |
| 4458 | 2472 /* nstate += 0; */ |
| 4444 | 2473 break; |
| 2474 } | |
| 2475 e1 = POP(); | |
| 2476 e1.start->negated = TRUE; | |
|
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|
2477 #ifdef FEAT_MBYTE |
|
4527
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4525
diff
changeset
|
2478 if (e1.start->c == NFA_COMPOSING) |
| 4444 | 2479 e1.start->out1->negated = TRUE; |
|
4531
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Bram Moolenaar <bram@vim.org>
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diff
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|
2480 #endif |
| 4444 | 2481 PUSH(e1); |
| 2482 break; | |
| 2483 | |
| 2484 case NFA_OR: | |
| 2485 /* Alternation */ | |
| 2486 if (nfa_calc_size == TRUE) | |
| 2487 { | |
| 4458 | 2488 nstate++; |
| 4444 | 2489 break; |
| 2490 } | |
| 2491 e2 = POP(); | |
| 2492 e1 = POP(); | |
|
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diff
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|
2493 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
| 4444 | 2494 if (s == NULL) |
| 4484 | 2495 goto theend; |
| 4444 | 2496 PUSH(frag(s, append(e1.out, e2.out))); |
| 2497 break; | |
| 2498 | |
| 2499 case NFA_STAR: | |
|
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4673
diff
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|
2500 /* Zero or more, prefer more */ |
| 4444 | 2501 if (nfa_calc_size == TRUE) |
| 2502 { | |
| 4458 | 2503 nstate++; |
| 4444 | 2504 break; |
| 2505 } | |
| 2506 e = POP(); | |
|
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diff
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|
2507 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 2508 if (s == NULL) |
| 4484 | 2509 goto theend; |
| 4444 | 2510 patch(e.out, s); |
| 2511 PUSH(frag(s, list1(&s->out1))); | |
| 2512 break; | |
| 2513 | |
|
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4673
diff
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|
2514 case NFA_STAR_NONGREEDY: |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2515 /* Zero or more, prefer zero */ |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2516 if (nfa_calc_size == TRUE) |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2517 { |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2518 nstate++; |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2519 break; |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2520 } |
|
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updated for version 7.3.1085
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diff
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|
2521 e = POP(); |
|
4696
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updated for version 7.3.1095
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4694
diff
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|
2522 s = alloc_state(NFA_SPLIT, NULL, e.start); |
|
4675
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diff
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|
2523 if (s == NULL) |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
changeset
|
2524 goto theend; |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2525 patch(e.out, s); |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2526 PUSH(frag(s, list1(&s->out))); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
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4673
diff
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|
2527 break; |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2528 |
| 4444 | 2529 case NFA_QUEST: |
| 2530 /* one or zero atoms=> greedy match */ | |
| 2531 if (nfa_calc_size == TRUE) | |
| 2532 { | |
| 4458 | 2533 nstate++; |
| 4444 | 2534 break; |
| 2535 } | |
| 2536 e = POP(); | |
|
4696
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4694
diff
changeset
|
2537 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 2538 if (s == NULL) |
| 4484 | 2539 goto theend; |
| 4444 | 2540 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
| 2541 break; | |
| 2542 | |
| 2543 case NFA_QUEST_NONGREEDY: | |
| 2544 /* zero or one atoms => non-greedy match */ | |
| 2545 if (nfa_calc_size == TRUE) | |
| 2546 { | |
| 4458 | 2547 nstate++; |
| 4444 | 2548 break; |
| 2549 } | |
| 2550 e = POP(); | |
|
4696
ed4e689bbea1
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4694
diff
changeset
|
2551 s = alloc_state(NFA_SPLIT, NULL, e.start); |
| 4444 | 2552 if (s == NULL) |
| 4484 | 2553 goto theend; |
| 4444 | 2554 PUSH(frag(s, append(e.out, list1(&s->out)))); |
| 2555 break; | |
| 2556 | |
| 2557 case NFA_SKIP_CHAR: | |
| 2558 /* Symbol of 0-length, Used in a repetition | |
| 2559 * with max/min count of 0 */ | |
| 2560 if (nfa_calc_size == TRUE) | |
| 2561 { | |
| 4458 | 2562 nstate++; |
| 4444 | 2563 break; |
| 2564 } | |
|
4696
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updated for version 7.3.1095
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4694
diff
changeset
|
2565 s = alloc_state(NFA_SKIP_CHAR, NULL, NULL); |
| 4444 | 2566 if (s == NULL) |
| 4484 | 2567 goto theend; |
| 4444 | 2568 PUSH(frag(s, list1(&s->out))); |
| 2569 break; | |
| 2570 | |
|
4740
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2571 case NFA_OPT_CHARS: |
|
97560c16ca99
updated for version 7.3.1117
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4738
diff
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|
2572 { |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2573 int n; |
|
97560c16ca99
updated for version 7.3.1117
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4738
diff
changeset
|
2574 |
|
97560c16ca99
updated for version 7.3.1117
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4738
diff
changeset
|
2575 /* \%[abc] */ |
|
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updated for version 7.3.1117
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diff
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|
2576 n = *++p; /* get number of characters */ |
|
97560c16ca99
updated for version 7.3.1117
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4738
diff
changeset
|
2577 if (nfa_calc_size == TRUE) |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2578 { |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2579 nstate += n; |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2580 break; |
|
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updated for version 7.3.1117
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diff
changeset
|
2581 } |
|
97560c16ca99
updated for version 7.3.1117
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|
2582 e1.out = NULL; /* stores list with out1's */ |
|
97560c16ca99
updated for version 7.3.1117
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|
2583 s1 = NULL; /* previous NFA_SPLIT to connect to */ |
|
97560c16ca99
updated for version 7.3.1117
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|
2584 while (n-- > 0) |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2585 { |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2586 e = POP(); /* get character */ |
|
97560c16ca99
updated for version 7.3.1117
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4738
diff
changeset
|
2587 s = alloc_state(NFA_SPLIT, e.start, NULL); |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
2588 if (s == NULL) |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2589 goto theend; |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2590 if (e1.out == NULL) |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2591 e1 = e; |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
2592 patch(e.out, s1); |
|
97560c16ca99
updated for version 7.3.1117
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4738
diff
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|
2593 append(e1.out, list1(&s->out1)); |
|
97560c16ca99
updated for version 7.3.1117
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4738
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|
2594 s1 = s; |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2595 } |
|
97560c16ca99
updated for version 7.3.1117
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changeset
|
2596 PUSH(frag(s, e1.out)); |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2597 break; |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2598 } |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2599 |
| 4444 | 2600 case NFA_PREV_ATOM_NO_WIDTH: |
|
4661
0dce3d812e7a
updated for version 7.3.1078
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4657
diff
changeset
|
2601 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
4682
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
2602 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
2603 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
4740
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2604 { |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2605 int neg = (*p == NFA_PREV_ATOM_NO_WIDTH_NEG |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2606 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
2607 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE |
|
97560c16ca99
updated for version 7.3.1117
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4738
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|
2608 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
|
97560c16ca99
updated for version 7.3.1117
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|
2609 int n; |
|
97560c16ca99
updated for version 7.3.1117
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4738
diff
changeset
|
2610 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2611 if (before) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2612 n = *++p; /* get the count */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2613 |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2614 /* 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
|
2615 * 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
|
2616 * The \@<= operator: match for the preceding atom. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2617 * The \@<! operator: no match for the preceding atom. |
| 4444 | 2618 * 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
|
2619 * END_INVISIBLE, similarly to MOPEN. */ |
| 4444 | 2620 |
| 2621 if (nfa_calc_size == TRUE) | |
| 2622 { | |
| 2623 nstate += 2; | |
| 2624 break; | |
| 2625 } | |
| 2626 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2627 s1 = alloc_state(NFA_END_INVISIBLE, NULL, NULL); |
| 4444 | 2628 if (s1 == NULL) |
| 4484 | 2629 goto theend; |
| 4444 | 2630 patch(e.out, s1); |
| 2631 | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2632 s = alloc_state(NFA_START_INVISIBLE, e.start, s1); |
| 4444 | 2633 if (s == NULL) |
| 4484 | 2634 goto theend; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2635 if (neg) |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
2636 { |
|
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
2637 s->negated = TRUE; |
|
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
2638 s1->negated = TRUE; |
|
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
2639 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2640 if (before) |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2641 { |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2642 s->val = n; /* store the count */ |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2643 ++s->c; /* NFA_START_INVISIBLE -> NFA_START_INVISIBLE_BEFORE */ |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2644 } |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
2645 |
| 4444 | 2646 PUSH(frag(s, list1(&s1->out))); |
| 2647 break; | |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2648 } |
| 4444 | 2649 |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2650 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2651 case NFA_COMPOSING: /* char with composing char */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2652 #if 0 |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2653 /* TODO */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2654 if (regflags & RF_ICOMBINE) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2655 { |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
2656 /* use the base character only */ |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2657 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2658 #endif |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2659 /* FALLTHROUGH */ |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2660 #endif |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2661 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2662 case NFA_MOPEN: /* \( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2663 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2664 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2665 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2666 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2667 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2668 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2669 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2670 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2671 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2672 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2673 case NFA_ZOPEN: /* \z( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2674 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2675 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2676 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2677 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2678 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2679 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2680 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2681 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2682 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2683 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2684 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */ |
| 4444 | 2685 if (nfa_calc_size == TRUE) |
| 2686 { | |
| 2687 nstate += 2; | |
| 2688 break; | |
| 2689 } | |
| 2690 | |
| 2691 mopen = *p; | |
| 2692 switch (*p) | |
| 2693 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2694 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2695 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2696 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2697 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2698 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2699 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2700 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2701 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2702 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2703 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2704 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2705 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2706 #endif |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2707 #ifdef FEAT_MBYTE |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2708 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
|
2709 #endif |
| 4444 | 2710 default: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2711 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */ |
| 4444 | 2712 mclose = *p + NSUBEXP; |
| 2713 break; | |
| 2714 } | |
| 2715 | |
| 2716 /* Allow "NFA_MOPEN" as a valid postfix representation for | |
| 2717 * the empty regexp "". In this case, the NFA will be | |
| 2718 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows | |
| 2719 * empty groups of parenthesis, and empty mbyte chars */ | |
| 2720 if (stackp == stack) | |
| 2721 { | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2722 s = alloc_state(mopen, NULL, NULL); |
| 4444 | 2723 if (s == NULL) |
| 4484 | 2724 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2725 s1 = alloc_state(mclose, NULL, NULL); |
| 4444 | 2726 if (s1 == NULL) |
| 4484 | 2727 goto theend; |
| 4444 | 2728 patch(list1(&s->out), s1); |
| 2729 PUSH(frag(s, list1(&s1->out))); | |
| 2730 break; | |
| 2731 } | |
| 2732 | |
| 2733 /* At least one node was emitted before NFA_MOPEN, so | |
| 2734 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */ | |
| 2735 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2736 s = alloc_state(mopen, e.start, NULL); /* `(' */ |
| 4444 | 2737 if (s == NULL) |
| 4484 | 2738 goto theend; |
| 4444 | 2739 |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2740 s1 = alloc_state(mclose, NULL, NULL); /* `)' */ |
| 4444 | 2741 if (s1 == NULL) |
| 4484 | 2742 goto theend; |
| 4444 | 2743 patch(e.out, s1); |
| 2744 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2745 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2746 if (mopen == NFA_COMPOSING) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2747 /* COMPOSING->out1 = END_COMPOSING */ |
| 4444 | 2748 patch(list1(&s->out1), s1); |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2749 #endif |
| 4444 | 2750 |
| 2751 PUSH(frag(s, list1(&s1->out))); | |
| 2752 break; | |
| 2753 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2754 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2755 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2756 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2757 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2758 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2759 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2760 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2761 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2762 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2763 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2764 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2765 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2766 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2767 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2768 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2769 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2770 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2771 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2772 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2773 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2774 if (nfa_calc_size == TRUE) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2775 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2776 nstate += 2; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2777 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2778 } |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2779 s = alloc_state(*p, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2780 if (s == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2781 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2782 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2783 if (s1 == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2784 goto theend; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2785 patch(list1(&s->out), s1); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2786 PUSH(frag(s, list1(&s1->out))); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2787 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2788 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2789 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2790 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2791 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2792 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2793 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2794 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2795 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2796 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2797 case NFA_COL_LT: |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2798 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2799 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2800 case NFA_MARK_LT: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2801 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2802 int n = *++p; /* lnum, col or mark name */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2803 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2804 if (nfa_calc_size == TRUE) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2805 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2806 nstate += 1; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2807 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2808 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2809 s = alloc_state(p[-1], NULL, NULL); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2810 if (s == NULL) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2811 goto theend; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2812 s->val = n; |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2813 PUSH(frag(s, list1(&s->out))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2814 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2815 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2816 |
| 4444 | 2817 case NFA_ZSTART: |
| 2818 case NFA_ZEND: | |
| 2819 default: | |
| 2820 /* Operands */ | |
| 2821 if (nfa_calc_size == TRUE) | |
| 2822 { | |
| 4458 | 2823 nstate++; |
| 4444 | 2824 break; |
| 2825 } | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2826 s = alloc_state(*p, NULL, NULL); |
| 4444 | 2827 if (s == NULL) |
| 4484 | 2828 goto theend; |
| 4444 | 2829 PUSH(frag(s, list1(&s->out))); |
| 2830 break; | |
| 2831 | |
| 2832 } /* switch(*p) */ | |
| 2833 | |
| 2834 } /* for(p = postfix; *p; ++p) */ | |
| 2835 | |
| 2836 if (nfa_calc_size == TRUE) | |
| 2837 { | |
| 4458 | 2838 nstate++; |
| 4484 | 2839 goto theend; /* Return value when counting size is ignored anyway */ |
| 4444 | 2840 } |
| 2841 | |
| 2842 e = POP(); | |
| 2843 if (stackp != stack) | |
| 2844 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); | |
| 2845 | |
| 2846 if (istate >= nstate) | |
| 2847 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); | |
| 2848 | |
| 2849 matchstate = &state_ptr[istate++]; /* the match state */ | |
| 2850 matchstate->c = NFA_MATCH; | |
| 2851 matchstate->out = matchstate->out1 = NULL; | |
| 2852 | |
| 2853 patch(e.out, matchstate); | |
| 4484 | 2854 ret = e.start; |
| 2855 | |
| 2856 theend: | |
| 2857 vim_free(stack); | |
| 2858 return ret; | |
| 4444 | 2859 |
| 2860 #undef POP1 | |
| 2861 #undef PUSH1 | |
| 2862 #undef POP2 | |
| 2863 #undef PUSH2 | |
| 2864 #undef POP | |
| 2865 #undef PUSH | |
| 2866 } | |
| 2867 | |
| 2868 /**************************************************************** | |
| 2869 * NFA execution code. | |
| 2870 ****************************************************************/ | |
| 2871 | |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2872 typedef struct |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2873 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2874 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
|
2875 |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2876 /* 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
|
2877 union |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2878 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2879 struct multipos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2880 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2881 lpos_T start; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2882 lpos_T end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2883 } multi[NSUBEXP]; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2884 struct linepos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2885 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2886 char_u *start; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2887 char_u *end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2888 } line[NSUBEXP]; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2889 } list; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2890 } regsub_T; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
2891 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2892 typedef struct |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2893 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2894 regsub_T norm; /* \( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2895 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2896 regsub_T synt; /* \z( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2897 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2898 } regsubs_T; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2899 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2900 /* nfa_pim_T stores a Postponed Invisible Match. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2901 typedef struct nfa_pim_S nfa_pim_T; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2902 struct nfa_pim_S |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2903 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2904 nfa_state_T *state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2905 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
|
2906 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
|
2907 regsubs_T subs; /* submatch info, only party used */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2908 }; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2909 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2910 /* Values for done in nfa_pim_T. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2911 #define NFA_PIM_TODO 0 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2912 #define NFA_PIM_MATCH 1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2913 #define NFA_PIM_NOMATCH -1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2914 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2915 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
2916 /* 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
|
2917 typedef struct |
| 4444 | 2918 { |
| 2919 nfa_state_T *state; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2920 int count; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
2921 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
|
2922 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
|
2923 } nfa_thread_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
2924 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
2925 /* nfa_list_T contains the alternative NFA execution states. */ |
| 4444 | 2926 typedef struct |
| 2927 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2928 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
|
2929 int n; /* nr of states currently in "t" */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2930 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
|
2931 int id; /* ID of the list */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
2932 } nfa_list_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
2933 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2934 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2935 static void log_subsexpr __ARGS((regsubs_T *subs)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2936 static void log_subexpr __ARGS((regsub_T *sub)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2937 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2938 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2939 log_subsexpr(subs) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2940 regsubs_T *subs; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2941 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2942 log_subexpr(&subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2943 # ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2944 log_subexpr(&subs->synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2945 # endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2946 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2947 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2948 static void |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2949 log_subexpr(sub) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2950 regsub_T *sub; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2951 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2952 int j; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2953 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2954 for (j = 0; j < sub->in_use; j++) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2955 if (REG_MULTI) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2956 fprintf(log_fd, "\n *** group %d, start: c=%d, l=%d, end: c=%d, l=%d", |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2957 j, |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2958 sub->list.multi[j].start.col, |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2959 (int)sub->list.multi[j].start.lnum, |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2960 sub->list.multi[j].end.col, |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
2961 (int)sub->list.multi[j].end.lnum); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2962 else |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2963 { |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2964 char *s = (char *)sub->list.line[j].start; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2965 char *e = (char *)sub->list.line[j].end; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2966 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2967 fprintf(log_fd, "\n *** group %d, start: \"%s\", end: \"%s\"", |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2968 j, |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2969 s == NULL ? "NULL" : s, |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2970 e == NULL ? "NULL" : e); |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
2971 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2972 fprintf(log_fd, "\n"); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2973 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2974 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2975 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
2976 /* 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
|
2977 static int nfa_match; |
|
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
2978 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2979 static void clear_sub __ARGS((regsub_T *sub)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2980 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
|
2981 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
|
2982 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
|
2983 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
|
2984 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
|
2985 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2986 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2987 clear_sub(sub) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2988 regsub_T *sub; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2989 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2990 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2991 /* Use 0xff to set lnum to -1 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2992 vim_memset(sub->list.multi, 0xff, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2993 sizeof(struct multipos) * nfa_nsubexpr); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2994 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2995 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
|
2996 sub->in_use = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2997 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2998 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2999 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3000 * Copy the submatches from "from" to "to". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3001 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3002 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3003 copy_sub(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3004 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3005 regsub_T *from; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3006 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3007 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3008 if (from->in_use > 0) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3009 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3010 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3011 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3012 mch_memmove(&to->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3013 &from->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3014 sizeof(struct multipos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3015 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3016 mch_memmove(&to->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3017 &from->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3018 sizeof(struct linepos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3019 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3020 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3021 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3022 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3023 * Like copy_sub() but exclude the main match. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3024 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3025 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3026 copy_sub_off(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3027 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3028 regsub_T *from; |
|
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 if (to->in_use < from->in_use) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3031 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3032 if (from->in_use > 1) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3033 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3034 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3035 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3036 mch_memmove(&to->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3037 &from->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3038 sizeof(struct multipos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3039 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3040 mch_memmove(&to->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3041 &from->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3042 sizeof(struct linepos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3043 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3044 } |
| 4444 | 3045 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3046 /* |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3047 * 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
|
3048 */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3049 static int |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3050 sub_equal(sub1, sub2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3051 regsub_T *sub1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3052 regsub_T *sub2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3053 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3054 int i; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3055 int todo; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3056 linenr_T s1, e1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3057 linenr_T s2, e2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3058 char_u *sp1, *ep1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3059 char_u *sp2, *ep2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3060 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3061 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
|
3062 if (REG_MULTI) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3063 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3064 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3065 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3066 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3067 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3068 s1 = sub1->list.multi[i].start.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3069 e1 = sub1->list.multi[i].end.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3070 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3071 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3072 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3073 s1 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3074 e1 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3075 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3076 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3077 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3078 s2 = sub2->list.multi[i].start.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3079 e2 = sub2->list.multi[i].end.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3080 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3081 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3082 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3083 s2 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3084 e2 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3085 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3086 if (s1 != s2 || e1 != e2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3087 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3088 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
|
3089 != sub2->list.multi[i].start.col) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3090 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3091 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
|
3092 != sub2->list.multi[i].end.col) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3093 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3094 } |
|
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 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3097 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3098 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3099 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3100 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3101 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3102 sp1 = sub1->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3103 ep1 = sub1->list.line[i].end; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3104 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3105 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3106 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3107 sp1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3108 ep1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3109 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3110 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3111 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3112 sp2 = sub2->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3113 ep2 = sub2->list.line[i].end; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3114 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3115 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3116 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3117 sp2 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3118 ep2 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3119 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3120 if (sp1 != sp2 || ep1 != ep2) |
|
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 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3125 return TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3126 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3127 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3128 #ifdef ENABLE_LOG |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3129 static void |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3130 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
|
3131 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3132 int col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3133 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3134 if (sub->in_use <= 0) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3135 col = -1; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3136 else if (REG_MULTI) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3137 col = sub->list.multi[0].start.col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3138 else |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3139 col = (int)(sub->list.line[0].start - regline); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3140 nfa_set_code(state->c); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3141 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
|
3142 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
|
3143 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3144 #endif |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3145 |
| 4444 | 3146 static void |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3147 addstate(l, state, subs, off) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3148 nfa_list_T *l; /* runtime state list */ |
| 4444 | 3149 nfa_state_T *state; /* state to update */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3150 regsubs_T *subs; /* pointers to subexpressions */ |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3151 int off; /* byte offset, when -1 go to next line */ |
| 4444 | 3152 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3153 int subidx; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3154 nfa_thread_T *thread; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3155 lpos_T save_lpos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3156 int save_in_use; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3157 char_u *save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3158 int i; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3159 regsub_T *sub; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3160 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3161 int did_print = FALSE; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3162 #endif |
| 4444 | 3163 |
| 3164 if (l == NULL || state == NULL) | |
| 3165 return; | |
| 3166 | |
| 3167 switch (state->c) | |
| 3168 { | |
| 3169 case NFA_SPLIT: | |
| 3170 case NFA_NOT: | |
| 3171 case NFA_NOPEN: | |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3172 case NFA_SKIP_CHAR: |
| 4444 | 3173 case NFA_NCLOSE: |
| 3174 case NFA_MCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3175 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3176 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3177 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3178 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3179 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3180 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3181 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3182 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3183 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3184 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3185 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3186 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3187 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3188 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3189 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3190 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3191 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3192 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3193 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3194 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3195 #endif |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3196 case NFA_ZEND: |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3197 /* 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
|
3198 * "out1" may be added below. */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3199 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3200 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3201 case NFA_MOPEN: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3202 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3203 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3204 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3205 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3206 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3207 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3208 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3209 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3210 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3211 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3212 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3213 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3214 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3215 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3216 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3217 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3218 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3219 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3220 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3221 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3222 #endif |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3223 case NFA_ZSTART: |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3224 /* 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
|
3225 * 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
|
3226 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
|
3227 goto skip_add; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3228 state->lastlist[nfa_ll_index] = l->id; |
| 4444 | 3229 break; |
| 3230 | |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3231 case NFA_BOL: |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3232 case NFA_BOF: |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3233 /* "^" 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
|
3234 * 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
|
3235 * match. */ |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3236 if (reginput > regline |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3237 && (nfa_endp == NULL |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3238 || !REG_MULTI |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3239 || reglnum == nfa_endp->se_u.pos.lnum)) |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3240 goto skip_add; |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3241 /* FALLTHROUGH */ |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3242 |
| 4444 | 3243 default: |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3244 if (state->lastlist[nfa_ll_index] == l->id) |
| 4444 | 3245 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3246 /* 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
|
3247 * 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
|
3248 if (!nfa_has_backref) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3249 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3250 skip_add: |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3251 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3252 nfa_set_code(state->c); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3253 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
|
3254 abs(state->id), l->id, state->c, code); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3255 #endif |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3256 return; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3257 } |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3258 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3259 /* 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
|
3260 * positions. */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3261 for (i = 0; i < l->n; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3262 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3263 thread = &l->t[i]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3264 if (thread->state->id == state->id |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3265 && sub_equal(&thread->subs.norm, &subs->norm) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3266 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3267 && (!nfa_has_zsubexpr || |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3268 sub_equal(&thread->subs.synt, &subs->synt)) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3269 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3270 ) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3271 goto skip_add; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3272 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3273 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3274 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3275 /* 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
|
3276 * of states may be (a lot) bigger */ |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3277 if (nfa_has_backref && l->n == l->len) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3278 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3279 int newlen = l->len * 3 / 2 + 50; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3280 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3281 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
|
3282 l->len = newlen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3283 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3284 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3285 /* add the state to the list */ |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3286 state->lastlist[nfa_ll_index] = l->id; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3287 thread = &l->t[l->n++]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3288 thread->state = state; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3289 thread->pim = NULL; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3290 copy_sub(&thread->subs.norm, &subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3291 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3292 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3293 copy_sub(&thread->subs.synt, &subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3294 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3295 #ifdef ENABLE_LOG |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3296 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
|
3297 did_print = TRUE; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3298 #endif |
| 4444 | 3299 } |
| 3300 | |
| 3301 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3302 if (!did_print) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3303 report_state("Processing", &subs->norm, state, l->id); |
| 4444 | 3304 #endif |
| 3305 switch (state->c) | |
| 3306 { | |
| 3307 case NFA_MATCH: | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3308 nfa_match = TRUE; |
| 4444 | 3309 break; |
| 3310 | |
| 3311 case NFA_SPLIT: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3312 /* order matters here */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3313 addstate(l, state->out, subs, off); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3314 addstate(l, state->out1, subs, off); |
| 4444 | 3315 break; |
| 3316 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3317 case NFA_SKIP_CHAR: |
| 4444 | 3318 case NFA_NOPEN: |
| 3319 case NFA_NCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3320 addstate(l, state->out, subs, off); |
| 4444 | 3321 break; |
| 3322 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3323 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3324 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3325 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3326 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3327 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3328 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3329 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3330 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3331 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3332 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3333 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3334 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3335 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3336 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3337 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3338 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3339 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3340 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3341 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3342 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3343 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3344 #endif |
| 4444 | 3345 case NFA_ZSTART: |
| 3346 if (state->c == NFA_ZSTART) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3347 { |
| 4444 | 3348 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3349 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3350 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3351 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3352 else if (state->c >= NFA_ZOPEN) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3353 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3354 subidx = state->c - NFA_ZOPEN; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3355 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3356 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3357 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3358 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3359 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3360 subidx = state->c - NFA_MOPEN; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3361 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3362 } |
| 4444 | 3363 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3364 /* 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
|
3365 * 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
|
3366 save_ptr = NULL; |
| 4444 | 3367 if (REG_MULTI) |
| 3368 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3369 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3370 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3371 save_lpos = sub->list.multi[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3372 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3373 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3374 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3375 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3376 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3377 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
|
3378 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3379 sub->list.multi[i].start.lnum = -1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3380 sub->list.multi[i].end.lnum = -1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3381 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3382 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3383 } |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3384 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3385 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3386 sub->list.multi[subidx].start.lnum = reglnum + 1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3387 sub->list.multi[subidx].start.col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3388 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3389 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3390 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3391 sub->list.multi[subidx].start.lnum = reglnum; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3392 sub->list.multi[subidx].start.col = |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3393 (colnr_T)(reginput - regline + off); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3394 } |
| 4444 | 3395 } |
| 3396 else | |
| 3397 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3398 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3399 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3400 save_ptr = sub->list.line[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3401 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3402 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3403 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3404 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3405 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3406 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
|
3407 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3408 sub->list.line[i].start = NULL; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3409 sub->list.line[i].end = NULL; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3410 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3411 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3412 } |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3413 sub->list.line[subidx].start = reginput + off; |
| 4444 | 3414 } |
| 3415 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3416 addstate(l, state->out, subs, off); |
| 4444 | 3417 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3418 if (save_in_use == -1) |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3419 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3420 if (REG_MULTI) |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3421 sub->list.multi[subidx].start = save_lpos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3422 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3423 sub->list.line[subidx].start = save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3424 } |
| 4444 | 3425 else |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3426 sub->in_use = save_in_use; |
| 4444 | 3427 break; |
| 3428 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3429 case NFA_MCLOSE: |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
3430 if (nfa_has_zend) |
| 4444 | 3431 { |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
3432 /* 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
|
3433 * 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
|
3434 addstate(l, state->out, subs, off); |
| 4444 | 3435 break; |
| 3436 } | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3437 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3438 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3439 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3440 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3441 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3442 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3443 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3444 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3445 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3446 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3447 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3448 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3449 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3450 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3451 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3452 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3453 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3454 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3455 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3456 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3457 #endif |
| 4444 | 3458 case NFA_ZEND: |
| 3459 if (state->c == NFA_ZEND) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3460 { |
| 4444 | 3461 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3462 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3463 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3464 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3465 else if (state->c >= NFA_ZCLOSE) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3466 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3467 subidx = state->c - NFA_ZCLOSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3468 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3469 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3470 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3471 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3472 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3473 subidx = state->c - NFA_MCLOSE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3474 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3475 } |
| 4444 | 3476 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3477 /* 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
|
3478 * has done that. */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3479 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3480 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3481 sub->in_use = subidx + 1; |
| 4444 | 3482 if (REG_MULTI) |
| 3483 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3484 save_lpos = sub->list.multi[subidx].end; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3485 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3486 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3487 sub->list.multi[subidx].end.lnum = reglnum + 1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3488 sub->list.multi[subidx].end.col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3489 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3490 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3491 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3492 sub->list.multi[subidx].end.lnum = reglnum; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3493 sub->list.multi[subidx].end.col = |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3494 (colnr_T)(reginput - regline + off); |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3495 } |
| 4444 | 3496 } |
| 3497 else | |
| 3498 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3499 save_ptr = sub->list.line[subidx].end; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3500 sub->list.line[subidx].end = reginput + off; |
| 4444 | 3501 } |
| 3502 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3503 addstate(l, state->out, subs, off); |
| 4444 | 3504 |
| 3505 if (REG_MULTI) | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3506 sub->list.multi[subidx].end = save_lpos; |
| 4444 | 3507 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3508 sub->list.line[subidx].end = save_ptr; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3509 sub->in_use = save_in_use; |
| 4444 | 3510 break; |
| 3511 } | |
| 3512 } | |
| 3513 | |
| 3514 /* | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3515 * 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
|
3516 * 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
|
3517 * 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
|
3518 * matters for alternatives. |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3519 */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3520 static void |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3521 addstate_here(l, state, subs, pim, ip) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3522 nfa_list_T *l; /* runtime state list */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3523 nfa_state_T *state; /* state to update */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3524 regsubs_T *subs; /* pointers to subexpressions */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3525 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
|
3526 int *ip; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3527 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3528 int tlen = l->n; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3529 int count; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3530 int listidx = *ip; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3531 int i; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3532 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3533 /* 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
|
3534 addstate(l, state, subs, 0); |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3535 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3536 /* 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
|
3537 if (pim != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3538 for (i = tlen; i < l->n; ++i) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3539 l->t[i].pim = pim; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3540 |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3541 /* 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
|
3542 if (listidx + 1 == tlen) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3543 return; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3544 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3545 /* 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
|
3546 count = l->n - tlen; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3547 if (count == 1) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3548 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3549 /* overwrite the current state */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3550 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
|
3551 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3552 else if (count > 1) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3553 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3554 /* 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
|
3555 * end to the current position */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3556 mch_memmove(&(l->t[listidx + count]), |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3557 &(l->t[listidx + 1]), |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3558 sizeof(nfa_thread_T) * (l->n - listidx - 1)); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3559 mch_memmove(&(l->t[listidx]), |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3560 &(l->t[l->n - 1]), |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3561 sizeof(nfa_thread_T) * count); |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3562 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3563 --l->n; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3564 *ip = listidx - 1; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3565 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3566 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3567 /* |
| 4444 | 3568 * Check character class "class" against current character c. |
| 3569 */ | |
| 3570 static int | |
| 3571 check_char_class(class, c) | |
| 3572 int class; | |
| 3573 int c; | |
| 3574 { | |
| 3575 switch (class) | |
| 3576 { | |
| 3577 case NFA_CLASS_ALNUM: | |
| 4464 | 3578 if (c >= 1 && c <= 255 && isalnum(c)) |
| 4444 | 3579 return OK; |
| 3580 break; | |
| 3581 case NFA_CLASS_ALPHA: | |
| 4464 | 3582 if (c >= 1 && c <= 255 && isalpha(c)) |
| 4444 | 3583 return OK; |
| 3584 break; | |
| 3585 case NFA_CLASS_BLANK: | |
| 3586 if (c == ' ' || c == '\t') | |
| 3587 return OK; | |
| 3588 break; | |
| 3589 case NFA_CLASS_CNTRL: | |
| 4464 | 3590 if (c >= 1 && c <= 255 && iscntrl(c)) |
| 4444 | 3591 return OK; |
| 3592 break; | |
| 3593 case NFA_CLASS_DIGIT: | |
| 3594 if (VIM_ISDIGIT(c)) | |
| 3595 return OK; | |
| 3596 break; | |
| 3597 case NFA_CLASS_GRAPH: | |
| 4464 | 3598 if (c >= 1 && c <= 255 && isgraph(c)) |
| 4444 | 3599 return OK; |
| 3600 break; | |
| 3601 case NFA_CLASS_LOWER: | |
| 3602 if (MB_ISLOWER(c)) | |
| 3603 return OK; | |
| 3604 break; | |
| 3605 case NFA_CLASS_PRINT: | |
| 3606 if (vim_isprintc(c)) | |
| 3607 return OK; | |
| 3608 break; | |
| 3609 case NFA_CLASS_PUNCT: | |
| 4464 | 3610 if (c >= 1 && c <= 255 && ispunct(c)) |
| 4444 | 3611 return OK; |
| 3612 break; | |
| 3613 case NFA_CLASS_SPACE: | |
| 3614 if ((c >=9 && c <= 13) || (c == ' ')) | |
| 3615 return OK; | |
| 3616 break; | |
| 3617 case NFA_CLASS_UPPER: | |
| 3618 if (MB_ISUPPER(c)) | |
| 3619 return OK; | |
| 3620 break; | |
| 3621 case NFA_CLASS_XDIGIT: | |
| 3622 if (vim_isxdigit(c)) | |
| 3623 return OK; | |
| 3624 break; | |
| 3625 case NFA_CLASS_TAB: | |
| 3626 if (c == '\t') | |
| 3627 return OK; | |
| 3628 break; | |
| 3629 case NFA_CLASS_RETURN: | |
| 3630 if (c == '\r') | |
| 3631 return OK; | |
| 3632 break; | |
| 3633 case NFA_CLASS_BACKSPACE: | |
| 3634 if (c == '\b') | |
| 3635 return OK; | |
| 3636 break; | |
| 3637 case NFA_CLASS_ESCAPE: | |
| 3638 if (c == '\033') | |
| 3639 return OK; | |
| 3640 break; | |
| 3641 | |
| 3642 default: | |
| 3643 /* should not be here :P */ | |
| 3644 EMSG_RET_FAIL(_("E877: (NFA regexp) Invalid character class ")); | |
| 3645 } | |
| 3646 return FAIL; | |
| 3647 } | |
| 3648 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3649 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
|
3650 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3651 /* |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3652 * Check for a match with subexpression "subidx". |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3653 * Return TRUE if it matches. |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3654 */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3655 static int |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3656 match_backref(sub, subidx, bytelen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3657 regsub_T *sub; /* pointers to subexpressions */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3658 int subidx; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3659 int *bytelen; /* out: length of match in bytes */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3660 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3661 int len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3662 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3663 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3664 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3665 retempty: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3666 /* backref was not set, match an empty string */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3667 *bytelen = 0; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3668 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3669 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3670 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3671 if (REG_MULTI) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3672 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3673 if (sub->list.multi[subidx].start.lnum < 0 |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3674 || sub->list.multi[subidx].end.lnum < 0) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3675 goto retempty; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3676 /* TODO: line breaks */ |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3677 len = sub->list.multi[subidx].end.col |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3678 - sub->list.multi[subidx].start.col; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3679 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
|
3680 reginput, &len) == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3681 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3682 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3683 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3684 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3685 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3686 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3687 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3688 if (sub->list.line[subidx].start == NULL |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3689 || sub->list.line[subidx].end == NULL) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3690 goto retempty; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3691 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
|
3692 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
|
3693 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3694 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3695 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3696 } |
|
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 return FALSE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3699 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3700 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3701 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3702 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3703 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
|
3704 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3705 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3706 * Check for a match with \z subexpression "subidx". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3707 * Return TRUE if it matches. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3708 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3709 static int |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3710 match_zref(subidx, bytelen) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3711 int subidx; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3712 int *bytelen; /* out: length of match in bytes */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3713 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3714 int len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3715 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3716 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3717 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
|
3718 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3719 /* backref was not set, match an empty string */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3720 *bytelen = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3721 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3722 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3723 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3724 len = (int)STRLEN(re_extmatch_in->matches[subidx]); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3725 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
|
3726 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3727 *bytelen = len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3728 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3729 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3730 return FALSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3731 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3732 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3733 |
| 4444 | 3734 /* |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3735 * 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
|
3736 * Also reset the IDs to zero. |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3737 * Only used for the recursive value lastlist[1]. |
| 4444 | 3738 */ |
| 3739 static void | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3740 nfa_save_listids(prog, list) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3741 nfa_regprog_T *prog; |
| 4444 | 3742 int *list; |
| 3743 { | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3744 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3745 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3746 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3747 /* 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
|
3748 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3749 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 3750 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3751 list[i] = p->lastlist[1]; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3752 p->lastlist[1] = 0; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3753 ++p; |
| 4444 | 3754 } |
| 3755 } | |
| 3756 | |
| 3757 /* | |
| 3758 * Restore list IDs from "list" to all NFA states. | |
| 3759 */ | |
| 3760 static void | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3761 nfa_restore_listids(prog, list) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3762 nfa_regprog_T *prog; |
| 4444 | 3763 int *list; |
| 3764 { | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3765 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3766 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3767 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3768 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3769 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 3770 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3771 p->lastlist[1] = list[i]; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3772 ++p; |
| 4444 | 3773 } |
| 3774 } | |
| 3775 | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3776 static int |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3777 nfa_re_num_cmp(val, op, pos) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3778 long_u val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3779 int op; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3780 long_u pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3781 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3782 if (op == 1) return pos > val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3783 if (op == 2) return pos < val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3784 return val == pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3785 } |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3786 |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3787 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
|
3788 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
|
3789 |
| 4444 | 3790 /* |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3791 * Recursively call nfa_regmatch() |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3792 */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3793 static int |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3794 recursive_regmatch(state, prog, submatch, m, listids) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3795 nfa_state_T *state; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3796 nfa_regprog_T *prog; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3797 regsubs_T *submatch; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3798 regsubs_T *m; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3799 int **listids; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3800 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3801 char_u *save_reginput = reginput; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3802 char_u *save_regline = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3803 int save_reglnum = reglnum; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3804 int save_nfa_match = nfa_match; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3805 int save_nfa_listid = nfa_listid; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3806 save_se_T *save_nfa_endp = nfa_endp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3807 save_se_T endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3808 save_se_T *endposp = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3809 int result; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3810 int need_restore = FALSE; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3811 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3812 if (state->c == NFA_START_INVISIBLE_BEFORE) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3813 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3814 /* 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
|
3815 endposp = &endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3816 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3817 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3818 endpos.se_u.pos.col = (int)(reginput - regline); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3819 endpos.se_u.pos.lnum = reglnum; |
|
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 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3822 endpos.se_u.ptr = reginput; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3823 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3824 /* 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
|
3825 * 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
|
3826 * not matching "\@<!". |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3827 * 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
|
3828 * first check for a match with what follows. */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3829 if (state->val <= 0) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3830 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3831 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3832 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3833 regline = reg_getline(--reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3834 if (regline == NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3835 /* can't go before the first line */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3836 regline = reg_getline(++reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3837 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3838 reginput = regline; |
|
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 else |
|
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 if (REG_MULTI && (int)(reginput - regline) < state->val) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3843 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3844 /* 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
|
3845 * previous line. */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3846 regline = reg_getline(--reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3847 if (regline == NULL) |
|
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 /* can't go before the first line */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3850 regline = reg_getline(++reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3851 reginput = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3852 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3853 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3854 reginput = regline + STRLEN(regline); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3855 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3856 if ((int)(reginput - regline) >= state->val) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3857 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3858 reginput -= state->val; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3859 #ifdef FEAT_MBYTE |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3860 if (has_mbyte) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3861 reginput -= mb_head_off(regline, reginput); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3862 #endif |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3863 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3864 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3865 reginput = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3866 } |
|
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 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3869 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3870 if (log_fd != stderr) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3871 fclose(log_fd); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3872 log_fd = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3873 #endif |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3874 /* 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
|
3875 * 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
|
3876 if (nfa_ll_index == 1) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3877 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3878 /* 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
|
3879 * values and clear them. */ |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3880 if (*listids == NULL) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3881 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3882 *listids = (int *)lalloc(sizeof(int) * nstate, TRUE); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3883 if (*listids == NULL) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3884 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3885 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
|
3886 return 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3887 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3888 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3889 nfa_save_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3890 need_restore = TRUE; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3891 /* any value of nfa_listid will do */ |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3892 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3893 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3894 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3895 /* 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
|
3896 * 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
|
3897 * 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
|
3898 ++nfa_ll_index; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3899 if (nfa_listid <= nfa_alt_listid) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3900 nfa_listid = nfa_alt_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3901 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3902 |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3903 /* 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
|
3904 * 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
|
3905 nfa_endp = endposp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3906 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
|
3907 |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3908 if (need_restore) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3909 nfa_restore_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3910 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3911 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3912 --nfa_ll_index; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3913 nfa_alt_listid = nfa_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3914 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3915 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3916 /* restore position in input text */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3917 reginput = save_reginput; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3918 regline = save_regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3919 reglnum = save_reglnum; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3920 nfa_match = save_nfa_match; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3921 nfa_endp = save_nfa_endp; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3922 nfa_listid = save_nfa_listid; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3923 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3924 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3925 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3926 if (log_fd != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3927 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3928 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3929 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
|
3930 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
|
3931 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3932 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3933 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3934 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3935 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
|
3936 log_fd = stderr; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3937 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3938 #endif |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3939 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3940 return result; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3941 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
3942 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3943 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
|
3944 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3945 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3946 * 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
|
3947 * NFA_ANY: 1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3948 * specific character: 99 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3949 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3950 static int |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3951 failure_chance(state, depth) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3952 nfa_state_T *state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3953 int depth; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3954 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3955 int c = state->c; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3956 int l, r; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3957 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3958 /* detect looping */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3959 if (depth > 4) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3960 return 1; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3961 |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3962 switch (c) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3963 { |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3964 case NFA_SPLIT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3965 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
|
3966 /* avoid recursive stuff */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3967 return 1; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3968 /* two alternatives, use the lowest failure chance */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3969 l = failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3970 r = failure_chance(state->out1, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3971 return l < r ? l : r; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3972 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3973 case NFA_ANY: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3974 /* matches anything, unlikely to fail */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3975 return 1; |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3976 case NFA_MATCH: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3977 /* empty match works always */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3978 return 0; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3979 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3980 case NFA_BOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3981 case NFA_EOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3982 case NFA_BOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3983 case NFA_EOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3984 case NFA_NEWL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3985 return 99; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3986 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3987 case NFA_BOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3988 case NFA_EOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3989 return 90; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3990 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3991 case NFA_MOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3992 case NFA_MOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3993 case NFA_MOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3994 case NFA_MOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3995 case NFA_MOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3996 case NFA_MOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3997 case NFA_MOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3998 case NFA_MOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
3999 case NFA_MOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4000 case NFA_MOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4001 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4002 case NFA_ZOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4003 case NFA_ZOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4004 case NFA_ZOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4005 case NFA_ZOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4006 case NFA_ZOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4007 case NFA_ZOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4008 case NFA_ZOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4009 case NFA_ZOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4010 case NFA_ZOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4011 case NFA_ZOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4012 case NFA_ZCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4013 case NFA_ZCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4014 case NFA_ZCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4015 case NFA_ZCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4016 case NFA_ZCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4017 case NFA_ZCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4018 case NFA_ZCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4019 case NFA_ZCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4020 case NFA_ZCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4021 case NFA_ZCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4022 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4023 case NFA_NOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4024 case NFA_MCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4025 case NFA_MCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4026 case NFA_MCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4027 case NFA_MCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4028 case NFA_MCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4029 case NFA_MCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4030 case NFA_MCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4031 case NFA_MCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4032 case NFA_MCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4033 case NFA_MCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4034 case NFA_NCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4035 return failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4036 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4037 case NFA_BACKREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4038 case NFA_BACKREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4039 case NFA_BACKREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4040 case NFA_BACKREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4041 case NFA_BACKREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4042 case NFA_BACKREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4043 case NFA_BACKREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4044 case NFA_BACKREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4045 case NFA_BACKREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4046 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4047 case NFA_ZREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4048 case NFA_ZREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4049 case NFA_ZREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4050 case NFA_ZREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4051 case NFA_ZREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4052 case NFA_ZREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4053 case NFA_ZREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4054 case NFA_ZREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4055 case NFA_ZREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4056 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4057 /* backreferences don't match in many places */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4058 return 94; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4059 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4060 case NFA_LNUM_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4061 case NFA_LNUM_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4062 case NFA_COL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4063 case NFA_COL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4064 case NFA_VCOL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4065 case NFA_VCOL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4066 case NFA_MARK_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4067 case NFA_MARK_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4068 #ifdef FEAT_VISUAL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4069 case NFA_VISUAL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4070 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4071 /* before/after positions don't match very often */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4072 return 85; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4073 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4074 case NFA_LNUM: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4075 return 90; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4076 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4077 case NFA_CURSOR: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4078 case NFA_COL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4079 case NFA_VCOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4080 case NFA_MARK: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4081 /* specific positions rarely match */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4082 return 98; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4083 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4084 case NFA_COMPOSING: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4085 return 95; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4086 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4087 default: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4088 if (c > 0) |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4089 /* character match fails often */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4090 return 95; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4091 } |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4092 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4093 /* something else, includes character classes */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4094 return 50; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4095 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4096 |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4097 /* |
| 4444 | 4098 * Main matching routine. |
| 4099 * | |
| 4100 * Run NFA to determine whether it matches reginput. | |
| 4101 * | |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4102 * 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
|
4103 * |
| 4444 | 4104 * Return TRUE if there is a match, FALSE otherwise. |
| 4105 * Note: Caller must ensure that: start != NULL. | |
| 4106 */ | |
| 4107 static int | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4108 nfa_regmatch(prog, start, submatch, m) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4109 nfa_regprog_T *prog; |
| 4444 | 4110 nfa_state_T *start; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4111 regsubs_T *submatch; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4112 regsubs_T *m; |
| 4444 | 4113 { |
| 4114 int result; | |
| 4115 int size = 0; | |
| 4116 int flag = 0; | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4117 int go_to_nextline = FALSE; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4118 nfa_thread_T *t; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4119 nfa_list_T list[3]; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4120 nfa_list_T *listtbl[2][2]; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4121 nfa_list_T *ll; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4122 int listidx; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4123 nfa_list_T *thislist; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4124 nfa_list_T *nextlist; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4125 nfa_list_T *neglist; |
| 4444 | 4126 int *listids = NULL; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4127 nfa_state_T *add_state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4128 int add_count; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4129 int add_off; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4130 garray_T pimlist; |
| 4460 | 4131 #ifdef NFA_REGEXP_DEBUG_LOG |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4132 FILE *debug = fopen(NFA_REGEXP_DEBUG_LOG, "a"); |
| 4444 | 4133 |
| 4134 if (debug == NULL) | |
| 4135 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4136 EMSG2(_("(NFA) COULD NOT OPEN %s !"), NFA_REGEXP_DEBUG_LOG); |
| 4444 | 4137 return FALSE; |
| 4138 } | |
| 4139 #endif | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4140 nfa_match = FALSE; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4141 ga_init2(&pimlist, sizeof(nfa_pim_T), 5); |
| 4444 | 4142 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4143 /* Allocate memory for the lists of nodes. */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4144 size = (nstate + 1) * sizeof(nfa_thread_T); |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4145 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
|
4146 list[0].len = nstate + 1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4147 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
|
4148 list[1].len = nstate + 1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4149 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
|
4150 list[2].len = nstate + 1; |
| 4444 | 4151 if (list[0].t == NULL || list[1].t == NULL || list[2].t == NULL) |
| 4152 goto theend; | |
| 4153 | |
| 4154 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4155 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 4156 if (log_fd != NULL) |
| 4157 { | |
| 4158 fprintf(log_fd, "**********************************\n"); | |
| 4159 nfa_set_code(start->c); | |
| 4160 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n", | |
| 4161 abs(start->id), code); | |
| 4162 fprintf(log_fd, "**********************************\n"); | |
| 4163 } | |
| 4164 else | |
| 4165 { | |
| 4166 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... ")); | |
| 4167 log_fd = stderr; | |
| 4168 } | |
| 4169 #endif | |
| 4170 | |
| 4171 thislist = &list[0]; | |
| 4172 thislist->n = 0; | |
| 4173 nextlist = &list[1]; | |
| 4174 nextlist->n = 0; | |
| 4175 neglist = &list[2]; | |
| 4176 neglist->n = 0; | |
| 4177 #ifdef ENABLE_LOG | |
| 4178 fprintf(log_fd, "(---) STARTSTATE\n"); | |
| 4179 #endif | |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4180 thislist->id = nfa_listid + 1; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4181 addstate(thislist, start, m, 0); |
| 4444 | 4182 |
| 4183 /* There are two cases when the NFA advances: 1. input char matches the | |
| 4184 * NFA node and 2. input char does not match the NFA node, but the next | |
| 4185 * node is NFA_NOT. The following macro calls addstate() according to | |
| 4186 * these rules. It is used A LOT, so use the "listtbl" table for speed */ | |
| 4187 listtbl[0][0] = NULL; | |
| 4188 listtbl[0][1] = neglist; | |
| 4189 listtbl[1][0] = nextlist; | |
| 4190 listtbl[1][1] = NULL; | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4191 #define ADD_POS_NEG_STATE(state) \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4192 ll = listtbl[result ? 1 : 0][state->negated]; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4193 if (ll != NULL) { \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4194 add_state = state->out; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4195 add_off = clen; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4196 } |
| 4444 | 4197 |
| 4198 /* | |
| 4199 * Run for each character. | |
| 4200 */ | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4201 for (;;) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4202 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4203 int curc; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4204 int clen; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4205 |
| 4444 | 4206 #ifdef FEAT_MBYTE |
| 4207 if (has_mbyte) | |
| 4208 { | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4209 curc = (*mb_ptr2char)(reginput); |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4210 clen = (*mb_ptr2len)(reginput); |
| 4444 | 4211 } |
| 4212 else | |
| 4213 #endif | |
| 4214 { | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4215 curc = *reginput; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4216 clen = 1; |
| 4444 | 4217 } |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4218 if (curc == NUL) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4219 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4220 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4221 go_to_nextline = FALSE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4222 } |
| 4444 | 4223 |
| 4224 /* swap lists */ | |
| 4225 thislist = &list[flag]; | |
| 4226 nextlist = &list[flag ^= 1]; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4227 nextlist->n = 0; /* clear nextlist */ |
| 4444 | 4228 listtbl[1][0] = nextlist; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4229 ++nfa_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4230 thislist->id = nfa_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4231 nextlist->id = nfa_listid + 1; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4232 neglist->id = nfa_listid + 1; |
| 4444 | 4233 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4234 pimlist.ga_len = 0; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4235 |
| 4444 | 4236 #ifdef ENABLE_LOG |
| 4237 fprintf(log_fd, "------------------------------------------\n"); | |
| 4238 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
|
4239 fprintf(log_fd, ">>> Advanced one character ... Current char is %c (code %d) \n", curc, (int)curc); |
| 4444 | 4240 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
|
4241 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4242 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4243 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4244 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4245 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
|
4246 } |
| 4444 | 4247 fprintf(log_fd, "\n"); |
| 4248 #endif | |
| 4249 | |
| 4460 | 4250 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 4251 fprintf(debug, "\n-------------------\n"); |
| 4252 #endif | |
| 4480 | 4253 /* |
| 4254 * If the state lists are empty we can stop. | |
| 4255 */ | |
| 4256 if (thislist->n == 0 && neglist->n == 0) | |
| 4257 break; | |
| 4444 | 4258 |
| 4259 /* compute nextlist */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4260 for (listidx = 0; listidx < thislist->n || neglist->n > 0; ++listidx) |
| 4444 | 4261 { |
| 4262 if (neglist->n > 0) | |
| 4263 { | |
| 4264 t = &neglist->t[0]; | |
| 4468 | 4265 neglist->n--; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4266 listidx--; |
| 4444 | 4267 } |
| 4268 else | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4269 t = &thislist->t[listidx]; |
| 4444 | 4270 |
| 4460 | 4271 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 4272 nfa_set_code(t->state->c); |
| 4273 fprintf(debug, "%s, ", code); | |
| 4274 #endif | |
| 4275 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4276 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4277 int col; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4278 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4279 if (t->subs.norm.in_use <= 0) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4280 col = -1; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4281 else if (REG_MULTI) |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4282 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
|
4283 else |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4284 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
|
4285 nfa_set_code(t->state->c); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4286 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
|
4287 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
|
4288 } |
| 4444 | 4289 #endif |
| 4290 | |
| 4291 /* | |
| 4292 * Handle the possible codes of the current state. | |
| 4293 * The most important is NFA_MATCH. | |
| 4294 */ | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4295 add_state = NULL; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4296 add_count = 0; |
| 4444 | 4297 switch (t->state->c) |
| 4298 { | |
| 4299 case NFA_MATCH: | |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
4300 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4301 nfa_match = TRUE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4302 copy_sub(&submatch->norm, &t->subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4303 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4304 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4305 copy_sub(&submatch->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4306 #endif |
| 4444 | 4307 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4308 log_subsexpr(&t->subs); |
| 4444 | 4309 #endif |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4310 /* 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
|
4311 * 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
|
4312 * 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
|
4313 * correct. */ |
|
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4314 if (nextlist->n == 0 && neglist->n == 0) |
|
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4315 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4316 goto nextchar; |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
4317 } |
| 4444 | 4318 |
| 4319 case NFA_END_INVISIBLE: | |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4320 /* |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4321 * 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
|
4322 * NFA_START_INVISIBLE_BEFORE node. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4323 * They surround a zero-width group, used with "\@=", "\&", |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4324 * "\@!", "\@<=" and "\@<!". |
| 4444 | 4325 * If we got here, it means that the current "invisible" group |
| 4326 * 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
|
4327 * 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
|
4328 * in the position in "nfa_endp". |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4329 * 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
|
4330 */ |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4331 #ifdef ENABLE_LOG |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4332 if (nfa_endp != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4333 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4334 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4335 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
|
4336 (int)reglnum, |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4337 (int)nfa_endp->se_u.pos.lnum, |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4338 (int)(reginput - regline), |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4339 nfa_endp->se_u.pos.col); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4340 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4341 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
|
4342 (int)(reginput - regline), |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4343 (int)(nfa_endp->se_u.ptr - reginput)); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4344 } |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4345 #endif |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4346 /* It's only a match if it ends at "nfa_endp" */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4347 if (nfa_endp != NULL && (REG_MULTI |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4348 ? (reglnum != nfa_endp->se_u.pos.lnum |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4349 || (int)(reginput - regline) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4350 != nfa_endp->se_u.pos.col) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4351 : reginput != nfa_endp->se_u.ptr)) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4352 break; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4353 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4354 /* do not set submatches for \@! */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4355 if (!t->state->negated) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4356 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4357 copy_sub(&m->norm, &t->subs.norm); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4358 #ifdef FEAT_SYN_HL |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4359 if (nfa_has_zsubexpr) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4360 copy_sub(&m->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4361 #endif |
| 4444 | 4362 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4363 nfa_match = TRUE; |
| 4444 | 4364 break; |
| 4365 | |
| 4366 case NFA_START_INVISIBLE: | |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4367 case NFA_START_INVISIBLE_BEFORE: |
| 4444 | 4368 { |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4369 nfa_pim_T *pim; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4370 int cout = t->state->out1->out->c; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4371 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4372 /* 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
|
4373 * match (closing paren). |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4374 * Postpone when it is \@<= or \@<!, these are expensive. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4375 * 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
|
4376 * where it's used? |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4377 * 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
|
4378 * of failing. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4379 if ((cout >= NFA_MCLOSE && cout <= NFA_MCLOSE9) |
|
4734
532c31f9e92f
updated for version 7.3.1114
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
4380 #ifdef FEAT_SYN_HL |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4381 || (cout >= NFA_ZCLOSE && cout <= NFA_ZCLOSE9) |
|
4734
532c31f9e92f
updated for version 7.3.1114
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
4382 #endif |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4383 || cout == NFA_NCLOSE |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4384 || t->pim != NULL |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4385 || (t->state->c != NFA_START_INVISIBLE_BEFORE |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4386 && failure_chance(t->state->out1->out, 0) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4387 < failure_chance(t->state->out, 0))) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4388 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4389 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4390 * First try matching the invisible match, then what |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4391 * follows. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4392 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4393 result = recursive_regmatch(t->state, prog, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4394 submatch, m, &listids); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4395 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4396 /* 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
|
4397 if (result != t->state->negated) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4398 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4399 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4400 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
|
4401 #ifdef FEAT_SYN_HL |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4402 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
|
4403 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4404 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4405 /* t->state->out1 is the corresponding |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4406 * 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
|
4407 * list (zero-width match). */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4408 addstate_here(thislist, t->state->out1->out, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4409 &t->subs, t->pim, &listidx); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4410 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4411 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4412 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4413 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4414 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4415 * First try matching what follows at the current |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4416 * 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
|
4417 * called, then verify the invisible match matches. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4418 * 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
|
4419 * contains info about the invisible match. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4420 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4421 if (ga_grow(&pimlist, 1) == FAIL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4422 goto theend; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4423 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
|
4424 ++pimlist.ga_len; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4425 pim->state = t->state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4426 pim->pim = NULL; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4427 pim->result = NFA_PIM_TODO; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4428 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4429 /* t->state->out1 is the corresponding END_INVISIBLE |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4430 * 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
|
4431 * match). */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4432 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
|
4433 pim, &listidx); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4434 } |
| 4444 | 4435 } |
| 4436 break; | |
| 4437 | |
| 4438 case NFA_BOL: | |
| 4439 if (reginput == regline) | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4440 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4441 t->pim, &listidx); |
| 4444 | 4442 break; |
| 4443 | |
| 4444 case NFA_EOL: | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4445 if (curc == NUL) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4446 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4447 t->pim, &listidx); |
| 4444 | 4448 break; |
| 4449 | |
| 4450 case NFA_BOW: | |
| 4451 { | |
| 4452 int bow = TRUE; | |
| 4453 | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4454 if (curc == NUL) |
| 4444 | 4455 bow = FALSE; |
| 4456 #ifdef FEAT_MBYTE | |
| 4457 else if (has_mbyte) | |
| 4458 { | |
| 4459 int this_class; | |
| 4460 | |
| 4461 /* Get class of current and previous char (if it exists). */ | |
| 4503 | 4462 this_class = mb_get_class_buf(reginput, reg_buf); |
| 4444 | 4463 if (this_class <= 1) |
| 4464 bow = FALSE; | |
| 4465 else if (reg_prev_class() == this_class) | |
| 4466 bow = FALSE; | |
| 4467 } | |
| 4468 #endif | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4469 else if (!vim_iswordc_buf(curc, reg_buf) |
| 4503 | 4470 || (reginput > regline |
| 4471 && vim_iswordc_buf(reginput[-1], reg_buf))) | |
| 4444 | 4472 bow = FALSE; |
| 4473 if (bow) | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4474 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4475 t->pim, &listidx); |
| 4444 | 4476 break; |
| 4477 } | |
| 4478 | |
| 4479 case NFA_EOW: | |
| 4480 { | |
| 4481 int eow = TRUE; | |
| 4482 | |
| 4483 if (reginput == regline) | |
| 4484 eow = FALSE; | |
| 4485 #ifdef FEAT_MBYTE | |
| 4486 else if (has_mbyte) | |
| 4487 { | |
| 4488 int this_class, prev_class; | |
| 4489 | |
| 4490 /* Get class of current and previous char (if it exists). */ | |
| 4503 | 4491 this_class = mb_get_class_buf(reginput, reg_buf); |
| 4444 | 4492 prev_class = reg_prev_class(); |
| 4493 if (this_class == prev_class | |
| 4494 || prev_class == 0 || prev_class == 1) | |
| 4495 eow = FALSE; | |
| 4496 } | |
| 4497 #endif | |
| 4503 | 4498 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
|
4499 || (reginput[0] != NUL |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4500 && vim_iswordc_buf(curc, reg_buf))) |
| 4444 | 4501 eow = FALSE; |
| 4502 if (eow) | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4503 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4504 t->pim, &listidx); |
| 4444 | 4505 break; |
| 4506 } | |
| 4507 | |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4508 case NFA_BOF: |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4509 if (reglnum == 0 && reginput == regline |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4510 && (!REG_MULTI || reg_firstlnum == 1)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4511 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4512 t->pim, &listidx); |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4513 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4514 |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4515 case NFA_EOF: |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4516 if (reglnum == reg_maxline && curc == NUL) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4517 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4518 t->pim, &listidx); |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4519 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4520 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4521 #ifdef FEAT_MBYTE |
| 4444 | 4522 case NFA_COMPOSING: |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4523 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4524 int mc = curc; |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4525 int len = 0; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4526 nfa_state_T *end; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4527 nfa_state_T *sta; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4528 int cchars[MAX_MCO]; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4529 int ccount = 0; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4530 int j; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4531 |
| 4444 | 4532 sta = t->state->out; |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4533 len = 0; |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4534 if (utf_iscomposing(sta->c)) |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4535 { |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4536 /* Only match composing character(s), ignore base |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4537 * character. Used for ".{composing}" and "{composing}" |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4538 * (no preceding character). */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4539 len += mb_char2len(mc); |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4540 } |
|
4551
f0c37f5cf4ea
updated for version 7.3.1023
Bram Moolenaar <bram@vim.org>
parents:
4549
diff
changeset
|
4541 if (ireg_icombine && len == 0) |
| 4444 | 4542 { |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4543 /* If \Z was present, then ignore composing characters. |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4544 * 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
|
4545 /* TODO: How about negated? */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4546 if (len == 0 && sta->c != curc) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4547 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4548 else |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4549 result = OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4550 while (sta->c != NFA_END_COMPOSING) |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4551 sta = sta->out; |
| 4444 | 4552 } |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4553 |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4554 /* Check base character matches first, unless ignored. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4555 else if (len > 0 || mc == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4556 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4557 if (len == 0) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4558 { |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4559 len += mb_char2len(mc); |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4560 sta = sta->out; |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4561 } |
| 4444 | 4562 |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4563 /* 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
|
4564 * Get them into cchars[] first. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4565 while (len < clen) |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4566 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4567 mc = mb_ptr2char(reginput + len); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4568 cchars[ccount++] = mc; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4569 len += mb_char2len(mc); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4570 if (ccount == MAX_MCO) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4571 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4572 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4573 |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4574 /* 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
|
4575 * 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
|
4576 * composing chars are matched. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4577 result = OK; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4578 while (sta->c != NFA_END_COMPOSING) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4579 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4580 for (j = 0; j < ccount; ++j) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4581 if (cchars[j] == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4582 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4583 if (j == ccount) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4584 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4585 result = FAIL; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4586 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4587 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4588 sta = sta->out; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4589 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4590 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4591 else |
|
4525
36ddcf4cecbc
updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents:
4517
diff
changeset
|
4592 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4593 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4594 end = t->state->out1; /* NFA_END_COMPOSING */ |
| 4444 | 4595 ADD_POS_NEG_STATE(end); |
| 4596 break; | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4597 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4598 #endif |
| 4444 | 4599 |
| 4600 case NFA_NEWL: | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4601 if (curc == NUL && !reg_line_lbr && REG_MULTI |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4602 && reglnum <= reg_maxline) |
| 4444 | 4603 { |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4604 go_to_nextline = TRUE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4605 /* 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
|
4606 * at the start of the next line. */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4607 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4608 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4609 add_off = -1; |
| 4444 | 4610 } |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4611 else if (curc == '\n' && reg_line_lbr) |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4612 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4613 /* 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
|
4614 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4615 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4616 add_off = 1; |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4617 } |
| 4444 | 4618 break; |
| 4619 | |
| 4620 case NFA_CLASS_ALNUM: | |
| 4621 case NFA_CLASS_ALPHA: | |
| 4622 case NFA_CLASS_BLANK: | |
| 4623 case NFA_CLASS_CNTRL: | |
| 4624 case NFA_CLASS_DIGIT: | |
| 4625 case NFA_CLASS_GRAPH: | |
| 4626 case NFA_CLASS_LOWER: | |
| 4627 case NFA_CLASS_PRINT: | |
| 4628 case NFA_CLASS_PUNCT: | |
| 4629 case NFA_CLASS_SPACE: | |
| 4630 case NFA_CLASS_UPPER: | |
| 4631 case NFA_CLASS_XDIGIT: | |
| 4632 case NFA_CLASS_TAB: | |
| 4633 case NFA_CLASS_RETURN: | |
| 4634 case NFA_CLASS_BACKSPACE: | |
| 4635 case NFA_CLASS_ESCAPE: | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4636 result = check_char_class(t->state->c, curc); |
| 4444 | 4637 ADD_POS_NEG_STATE(t->state); |
| 4638 break; | |
| 4639 | |
| 4640 case NFA_END_NEG_RANGE: | |
| 4641 /* This follows a series of negated nodes, like: | |
| 4642 * 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
|
4643 if (curc > 0) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4644 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4645 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4646 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4647 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4648 } |
| 4444 | 4649 break; |
| 4650 | |
| 4651 case NFA_ANY: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4652 /* 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
|
4653 if (curc > 0) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4654 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4655 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4656 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4657 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4658 } |
| 4444 | 4659 break; |
| 4660 | |
| 4661 /* | |
| 4662 * Character classes like \a for alpha, \d for digit etc. | |
| 4663 */ | |
| 4664 case NFA_IDENT: /* \i */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4665 result = vim_isIDc(curc); |
| 4444 | 4666 ADD_POS_NEG_STATE(t->state); |
| 4667 break; | |
| 4668 | |
| 4669 case NFA_SIDENT: /* \I */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4670 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc); |
| 4444 | 4671 ADD_POS_NEG_STATE(t->state); |
| 4672 break; | |
| 4673 | |
| 4674 case NFA_KWORD: /* \k */ | |
| 4503 | 4675 result = vim_iswordp_buf(reginput, reg_buf); |
| 4444 | 4676 ADD_POS_NEG_STATE(t->state); |
| 4677 break; | |
| 4678 | |
| 4679 case NFA_SKWORD: /* \K */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4680 result = !VIM_ISDIGIT(curc) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4681 && vim_iswordp_buf(reginput, reg_buf); |
| 4444 | 4682 ADD_POS_NEG_STATE(t->state); |
| 4683 break; | |
| 4684 | |
| 4685 case NFA_FNAME: /* \f */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4686 result = vim_isfilec(curc); |
| 4444 | 4687 ADD_POS_NEG_STATE(t->state); |
| 4688 break; | |
| 4689 | |
| 4690 case NFA_SFNAME: /* \F */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4691 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc); |
| 4444 | 4692 ADD_POS_NEG_STATE(t->state); |
| 4693 break; | |
| 4694 | |
| 4695 case NFA_PRINT: /* \p */ | |
| 4470 | 4696 result = ptr2cells(reginput) == 1; |
| 4444 | 4697 ADD_POS_NEG_STATE(t->state); |
| 4698 break; | |
| 4699 | |
| 4700 case NFA_SPRINT: /* \P */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4701 result = !VIM_ISDIGIT(curc) && ptr2cells(reginput) == 1; |
| 4444 | 4702 ADD_POS_NEG_STATE(t->state); |
| 4703 break; | |
| 4704 | |
| 4705 case NFA_WHITE: /* \s */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4706 result = vim_iswhite(curc); |
| 4444 | 4707 ADD_POS_NEG_STATE(t->state); |
| 4708 break; | |
| 4709 | |
| 4710 case NFA_NWHITE: /* \S */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4711 result = curc != NUL && !vim_iswhite(curc); |
| 4444 | 4712 ADD_POS_NEG_STATE(t->state); |
| 4713 break; | |
| 4714 | |
| 4715 case NFA_DIGIT: /* \d */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4716 result = ri_digit(curc); |
| 4444 | 4717 ADD_POS_NEG_STATE(t->state); |
| 4718 break; | |
| 4719 | |
| 4720 case NFA_NDIGIT: /* \D */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4721 result = curc != NUL && !ri_digit(curc); |
| 4444 | 4722 ADD_POS_NEG_STATE(t->state); |
| 4723 break; | |
| 4724 | |
| 4725 case NFA_HEX: /* \x */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4726 result = ri_hex(curc); |
| 4444 | 4727 ADD_POS_NEG_STATE(t->state); |
| 4728 break; | |
| 4729 | |
| 4730 case NFA_NHEX: /* \X */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4731 result = curc != NUL && !ri_hex(curc); |
| 4444 | 4732 ADD_POS_NEG_STATE(t->state); |
| 4733 break; | |
| 4734 | |
| 4735 case NFA_OCTAL: /* \o */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4736 result = ri_octal(curc); |
| 4444 | 4737 ADD_POS_NEG_STATE(t->state); |
| 4738 break; | |
| 4739 | |
| 4740 case NFA_NOCTAL: /* \O */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4741 result = curc != NUL && !ri_octal(curc); |
| 4444 | 4742 ADD_POS_NEG_STATE(t->state); |
| 4743 break; | |
| 4744 | |
| 4745 case NFA_WORD: /* \w */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4746 result = ri_word(curc); |
| 4444 | 4747 ADD_POS_NEG_STATE(t->state); |
| 4748 break; | |
| 4749 | |
| 4750 case NFA_NWORD: /* \W */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4751 result = curc != NUL && !ri_word(curc); |
| 4444 | 4752 ADD_POS_NEG_STATE(t->state); |
| 4753 break; | |
| 4754 | |
| 4755 case NFA_HEAD: /* \h */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4756 result = ri_head(curc); |
| 4444 | 4757 ADD_POS_NEG_STATE(t->state); |
| 4758 break; | |
| 4759 | |
| 4760 case NFA_NHEAD: /* \H */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4761 result = curc != NUL && !ri_head(curc); |
| 4444 | 4762 ADD_POS_NEG_STATE(t->state); |
| 4763 break; | |
| 4764 | |
| 4765 case NFA_ALPHA: /* \a */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4766 result = ri_alpha(curc); |
| 4444 | 4767 ADD_POS_NEG_STATE(t->state); |
| 4768 break; | |
| 4769 | |
| 4770 case NFA_NALPHA: /* \A */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4771 result = curc != NUL && !ri_alpha(curc); |
| 4444 | 4772 ADD_POS_NEG_STATE(t->state); |
| 4773 break; | |
| 4774 | |
| 4775 case NFA_LOWER: /* \l */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4776 result = ri_lower(curc); |
| 4444 | 4777 ADD_POS_NEG_STATE(t->state); |
| 4778 break; | |
| 4779 | |
| 4780 case NFA_NLOWER: /* \L */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4781 result = curc != NUL && !ri_lower(curc); |
| 4444 | 4782 ADD_POS_NEG_STATE(t->state); |
| 4783 break; | |
| 4784 | |
| 4785 case NFA_UPPER: /* \u */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4786 result = ri_upper(curc); |
| 4444 | 4787 ADD_POS_NEG_STATE(t->state); |
| 4788 break; | |
| 4789 | |
| 4790 case NFA_NUPPER: /* \U */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4791 result = curc != NUL && !ri_upper(curc); |
| 4444 | 4792 ADD_POS_NEG_STATE(t->state); |
| 4793 break; | |
| 4794 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4795 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4796 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4797 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4798 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4799 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4800 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4801 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4802 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4803 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4804 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4805 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4806 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4807 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4808 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4809 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4810 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4811 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4812 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4813 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4814 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4815 /* \1 .. \9 \z1 .. \z9 */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4816 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4817 int subidx; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4818 int bytelen; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4819 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4820 if (t->state->c <= NFA_BACKREF9) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4821 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4822 subidx = t->state->c - NFA_BACKREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4823 result = match_backref(&t->subs.norm, subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4824 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4825 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4826 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4827 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4828 subidx = t->state->c - NFA_ZREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4829 result = match_zref(subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4830 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4831 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4832 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4833 if (result) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4834 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4835 if (bytelen == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4836 { |
|
4692
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
4837 /* 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
|
4838 * used next */ |
|
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
4839 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
|
4840 t->pim, &listidx); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4841 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4842 else if (bytelen <= clen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4843 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4844 /* match current character, jump ahead to out of |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4845 * NFA_SKIP */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4846 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4847 add_state = t->state->out->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4848 add_off = clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4849 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4850 log_subsexpr(&nextlist->t[nextlist->n - 1].subs); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4851 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4852 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4853 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4854 { |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
4855 /* skip over the matched characters, set character |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4856 * count in NFA_SKIP */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4857 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4858 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4859 add_off = bytelen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4860 add_count = bytelen - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4861 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4862 log_subsexpr(&nextlist->t[nextlist->n - 1].subs); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4863 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4864 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4865 } |
| 4482 | 4866 break; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4867 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4868 case NFA_SKIP: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4869 /* character of previous matching \1 .. \9 or \@> */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4870 if (t->count - clen <= 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4871 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4872 /* end of match, go to what follows */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4873 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4874 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4875 add_off = clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4876 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4877 log_subsexpr(&nextlist->t[nextlist->n - 1].subs); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4878 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4879 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4880 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4881 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4882 /* add state again with decremented count */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4883 ll = nextlist; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4884 add_state = t->state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4885 add_off = 0; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4886 add_count = t->count - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4887 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4888 log_subsexpr(&nextlist->t[nextlist->n - 1].subs); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4889 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4890 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4891 break; |
| 4482 | 4892 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4893 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4894 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4895 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4896 result = (REG_MULTI && |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4897 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
|
4898 (long_u)(reglnum + reg_firstlnum))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4899 if (result) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4900 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4901 t->pim, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4902 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4903 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4904 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4905 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4906 case NFA_COL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4907 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
|
4908 (long_u)(reginput - regline) + 1); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4909 if (result) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4910 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4911 t->pim, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4912 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4913 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4914 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4915 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4916 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4917 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
|
4918 (long_u)win_linetabsize( |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4919 reg_win == NULL ? curwin : reg_win, |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4920 regline, (colnr_T)(reginput - regline)) + 1); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4921 if (result) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4922 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4923 t->pim, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4924 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4925 |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4926 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4927 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4928 case NFA_MARK_LT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4929 { |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4930 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
|
4931 |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4932 /* Compare the mark position to the match position. */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4933 result = (pos != NULL /* mark doesn't exist */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4934 && 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
|
4935 && (pos->lnum == reglnum + reg_firstlnum |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4936 ? (pos->col == (colnr_T)(reginput - regline) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4937 ? t->state->c == NFA_MARK |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4938 : (pos->col < (colnr_T)(reginput - regline) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4939 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4940 : t->state->c == NFA_MARK_LT)) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4941 : (pos->lnum < reglnum + reg_firstlnum |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4942 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4943 : t->state->c == NFA_MARK_LT))); |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4944 if (result) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4945 addstate_here(thislist, t->state->out, &t->subs, |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4946 t->pim, &listidx); |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4947 break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4948 } |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
4949 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4950 case NFA_CURSOR: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4951 result = (reg_win != NULL |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4952 && (reglnum + reg_firstlnum == reg_win->w_cursor.lnum) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4953 && ((colnr_T)(reginput - regline) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4954 == reg_win->w_cursor.col)); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4955 if (result) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4956 addstate_here(thislist, t->state->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4957 t->pim, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4958 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4959 |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
4960 #ifdef FEAT_VISUAL |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
4961 case NFA_VISUAL: |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
4962 result = reg_match_visual(); |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
4963 if (result) |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
4964 addstate_here(thislist, t->state->out, &t->subs, |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
4965 t->pim, &listidx); |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
4966 break; |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
4967 #endif |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
4968 |
| 4444 | 4969 default: /* regular character */ |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4970 { |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4971 int c = t->state->c; |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4972 |
| 4482 | 4973 /* TODO: put this in #ifdef later */ |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4974 if (c < -256) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4975 EMSGN("INTERNAL: Negative state char: %ld", c); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4976 if (is_Magic(c)) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4977 c = un_Magic(c); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4978 result = (c == curc); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4979 |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4980 if (!result && ireg_ic) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4981 result = MB_TOLOWER(c) == MB_TOLOWER(curc); |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4982 #ifdef FEAT_MBYTE |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4983 /* 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
|
4984 * 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
|
4985 * character uses NFA_COMPOSING above. */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4986 if (result && enc_utf8 && !ireg_icombine |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4987 && clen != utf_char2len(curc)) |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4988 result = FALSE; |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4989 #endif |
| 4444 | 4990 ADD_POS_NEG_STATE(t->state); |
| 4991 break; | |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4992 } |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4993 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4994 } /* switch (t->state->c) */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4995 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4996 if (add_state != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4997 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4998 if (t->pim != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4999 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5000 /* postponed invisible match */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5001 /* TODO: also do t->pim->pim recursively? */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5002 if (t->pim->result == NFA_PIM_TODO) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5003 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5004 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5005 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5006 fprintf(log_fd, "==================================\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5007 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5008 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5009 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5010 result = recursive_regmatch(t->pim->state, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5011 prog, submatch, m, &listids); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5012 t->pim->result = result ? NFA_PIM_MATCH |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5013 : NFA_PIM_NOMATCH; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5014 /* 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
|
5015 if (result != t->pim->state->negated) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5016 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5017 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5018 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
|
5019 #ifdef FEAT_SYN_HL |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5020 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
|
5021 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5022 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5023 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5024 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5025 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5026 result = (t->pim->result == NFA_PIM_MATCH); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5027 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5028 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5029 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
|
5030 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
|
5031 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5032 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5033 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5034 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5035 /* 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
|
5036 if (result != t->pim->state->negated) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5037 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5038 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5039 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
|
5040 #ifdef FEAT_SYN_HL |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5041 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
|
5042 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5043 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5044 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5045 /* 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
|
5046 continue; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5047 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5048 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5049 addstate(ll, add_state, &t->subs, add_off); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5050 if (add_count > 0) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5051 nextlist->t[ll->n - 1].count = add_count; |
| 4444 | 5052 } |
| 5053 | |
| 5054 } /* for (thislist = thislist; thislist->state; thislist++) */ | |
| 5055 | |
|
4557
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
5056 /* 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
|
5057 * start state to the list of states. |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
5058 * 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
|
5059 * matters! |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
5060 * 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
|
5061 * 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
|
5062 * 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
|
5063 * 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
|
5064 if (nfa_match == FALSE |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5065 && ((start->c == NFA_MOPEN |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5066 && reglnum == 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5067 && clen != 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5068 && (ireg_maxcol == 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5069 || (colnr_T)(reginput - regline) < ireg_maxcol)) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5070 || (nfa_endp != NULL |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5071 && (REG_MULTI |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5072 ? (reglnum < nfa_endp->se_u.pos.lnum |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5073 || (reglnum == nfa_endp->se_u.pos.lnum |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5074 && (int)(reginput - regline) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5075 < nfa_endp->se_u.pos.col)) |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5076 : reginput < nfa_endp->se_u.ptr)))) |
| 4444 | 5077 { |
| 5078 #ifdef ENABLE_LOG | |
| 5079 fprintf(log_fd, "(---) STARTSTATE\n"); | |
| 5080 #endif | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5081 addstate(nextlist, start, m, clen); |
| 4444 | 5082 } |
| 5083 | |
| 5084 #ifdef ENABLE_LOG | |
| 5085 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
|
5086 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5087 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5088 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5089 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5090 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
|
5091 } |
| 4444 | 5092 fprintf(log_fd, "\n"); |
| 5093 #endif | |
| 5094 | |
| 5095 nextchar: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5096 /* 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
|
5097 * finish. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5098 if (clen != 0) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5099 reginput += clen; |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5100 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
|
5101 && reglnum < nfa_endp->se_u.pos.lnum)) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5102 reg_nextline(); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5103 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5104 break; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5105 } |
| 4444 | 5106 |
| 5107 #ifdef ENABLE_LOG | |
| 5108 if (log_fd != stderr) | |
| 5109 fclose(log_fd); | |
| 5110 log_fd = NULL; | |
| 5111 #endif | |
| 5112 | |
| 5113 theend: | |
| 5114 /* Free memory */ | |
| 5115 vim_free(list[0].t); | |
| 5116 vim_free(list[1].t); | |
| 5117 vim_free(list[2].t); | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5118 vim_free(listids); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5119 ga_clear(&pimlist); |
| 4444 | 5120 #undef ADD_POS_NEG_STATE |
| 4460 | 5121 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 5122 fclose(debug); |
| 5123 #endif | |
| 5124 | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5125 return nfa_match; |
| 4444 | 5126 } |
| 5127 | |
| 5128 /* | |
| 5129 * Try match of "prog" with at regline["col"]. | |
| 5130 * Returns 0 for failure, number of lines contained in the match otherwise. | |
| 5131 */ | |
| 5132 static long | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5133 nfa_regtry(prog, col) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5134 nfa_regprog_T *prog; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5135 colnr_T col; |
| 4444 | 5136 { |
| 5137 int i; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5138 regsubs_T subs, m; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5139 nfa_state_T *start = prog->start; |
| 4444 | 5140 #ifdef ENABLE_LOG |
| 5141 FILE *f; | |
| 5142 #endif | |
| 5143 | |
| 5144 reginput = regline + col; | |
| 5145 need_clear_subexpr = TRUE; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5146 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5147 /* Clear the external match subpointers if necessary. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5148 if (prog->reghasz == REX_SET) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5149 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5150 nfa_has_zsubexpr = TRUE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5151 need_clear_zsubexpr = TRUE; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5152 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5153 else |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5154 nfa_has_zsubexpr = FALSE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5155 #endif |
| 4444 | 5156 |
| 5157 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5158 f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 5159 if (f != NULL) |
| 5160 { | |
| 5161 fprintf(f, "\n\n\n\n\n\n\t\t=======================================================\n"); | |
| 5162 fprintf(f, " =======================================================\n"); | |
| 5163 #ifdef DEBUG | |
| 5164 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr); | |
| 5165 #endif | |
| 5166 fprintf(f, "\tInput text is \"%s\" \n", reginput); | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5167 fprintf(f, " =======================================================\n\n"); |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
5168 nfa_print_state(f, start); |
| 4444 | 5169 fprintf(f, "\n\n"); |
| 5170 fclose(f); | |
| 5171 } | |
| 5172 else | |
| 5173 EMSG(_("Could not open temporary log file for writing ")); | |
| 5174 #endif | |
| 5175 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5176 clear_sub(&subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5177 clear_sub(&m.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5178 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5179 clear_sub(&subs.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5180 clear_sub(&m.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5181 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5182 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5183 if (nfa_regmatch(prog, start, &subs, &m) == FALSE) |
| 4444 | 5184 return 0; |
| 5185 | |
| 5186 cleanup_subexpr(); | |
| 5187 if (REG_MULTI) | |
| 5188 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5189 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 5190 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5191 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
|
5192 reg_endpos[i] = subs.norm.list.multi[i].end; |
| 4444 | 5193 } |
| 5194 | |
| 5195 if (reg_startpos[0].lnum < 0) | |
| 5196 { | |
| 5197 reg_startpos[0].lnum = 0; | |
| 5198 reg_startpos[0].col = col; | |
| 5199 } | |
| 5200 if (reg_endpos[0].lnum < 0) | |
| 5201 { | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
5202 /* pattern has a \ze but it didn't match, use current end */ |
| 4444 | 5203 reg_endpos[0].lnum = reglnum; |
| 5204 reg_endpos[0].col = (int)(reginput - regline); | |
| 5205 } | |
| 5206 else | |
| 5207 /* Use line number of "\ze". */ | |
| 5208 reglnum = reg_endpos[0].lnum; | |
| 5209 } | |
| 5210 else | |
| 5211 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5212 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 5213 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5214 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
|
5215 reg_endp[i] = subs.norm.list.line[i].end; |
| 4444 | 5216 } |
| 5217 | |
| 5218 if (reg_startp[0] == NULL) | |
| 5219 reg_startp[0] = regline + col; | |
| 5220 if (reg_endp[0] == NULL) | |
| 5221 reg_endp[0] = reginput; | |
| 5222 } | |
| 5223 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5224 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5225 /* 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
|
5226 unref_extmatch(re_extmatch_out); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5227 re_extmatch_out = NULL; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5228 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5229 if (prog->reghasz == REX_SET) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5230 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5231 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5232 re_extmatch_out = make_extmatch(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5233 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
|
5234 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5235 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5236 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5237 struct multipos *mpos = &subs.synt.list.multi[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5238 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5239 /* Only accept single line matches. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5240 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
|
5241 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5242 vim_strnsave(reg_getline(mpos->start.lnum) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5243 + mpos->start.col, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5244 mpos->end.col - mpos->start.col); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5245 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5246 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5247 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5248 struct linepos *lpos = &subs.synt.list.line[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5249 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5250 if (lpos->start != NULL && lpos->end != NULL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5251 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5252 vim_strnsave(lpos->start, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5253 (int)(lpos->end - lpos->start)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5254 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5255 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5256 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5257 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5258 |
| 4444 | 5259 return 1 + reglnum; |
| 5260 } | |
| 5261 | |
| 5262 /* | |
| 5263 * Match a regexp against a string ("line" points to the string) or multiple | |
| 5264 * lines ("line" is NULL, use reg_getline()). | |
| 5265 * | |
| 5266 * Returns 0 for failure, number of lines contained in the match otherwise. | |
| 5267 */ | |
| 5268 static long | |
| 5269 nfa_regexec_both(line, col) | |
| 5270 char_u *line; | |
| 5271 colnr_T col; /* column to start looking for match */ | |
| 5272 { | |
| 5273 nfa_regprog_T *prog; | |
| 5274 long retval = 0L; | |
| 5275 int i; | |
| 5276 | |
| 5277 if (REG_MULTI) | |
| 5278 { | |
| 5279 prog = (nfa_regprog_T *)reg_mmatch->regprog; | |
| 5280 line = reg_getline((linenr_T)0); /* relative to the cursor */ | |
| 5281 reg_startpos = reg_mmatch->startpos; | |
| 5282 reg_endpos = reg_mmatch->endpos; | |
| 5283 } | |
| 5284 else | |
| 5285 { | |
| 5286 prog = (nfa_regprog_T *)reg_match->regprog; | |
| 5287 reg_startp = reg_match->startp; | |
| 5288 reg_endp = reg_match->endp; | |
| 5289 } | |
| 5290 | |
| 5291 /* Be paranoid... */ | |
| 5292 if (prog == NULL || line == NULL) | |
| 5293 { | |
| 5294 EMSG(_(e_null)); | |
| 5295 goto theend; | |
| 5296 } | |
| 5297 | |
| 5298 /* If the start column is past the maximum column: no need to try. */ | |
| 5299 if (ireg_maxcol > 0 && col >= ireg_maxcol) | |
| 5300 goto theend; | |
| 5301 | |
| 5302 /* If pattern contains "\c" or "\C": overrule value of ireg_ic */ | |
| 5303 if (prog->regflags & RF_ICASE) | |
| 5304 ireg_ic = TRUE; | |
| 5305 else if (prog->regflags & RF_NOICASE) | |
| 5306 ireg_ic = FALSE; | |
| 5307 | |
| 5308 #ifdef FEAT_MBYTE | |
| 5309 /* If pattern contains "\Z" overrule value of ireg_icombine */ | |
| 5310 if (prog->regflags & RF_ICOMBINE) | |
| 5311 ireg_icombine = TRUE; | |
| 5312 #endif | |
| 5313 | |
| 5314 regline = line; | |
| 5315 reglnum = 0; /* relative to line */ | |
| 5316 | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5317 nfa_has_zend = prog->has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
5318 nfa_has_backref = prog->has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5319 nfa_nsubexpr = prog->nsubexp; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5320 nfa_listid = 1; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5321 nfa_alt_listid = 2; |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5322 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5323 nfa_regengine.expr = prog->pattern; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5324 #endif |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5325 |
| 4444 | 5326 nstate = prog->nstate; |
| 5327 for (i = 0; i < nstate; ++i) | |
| 5328 { | |
| 5329 prog->state[i].id = i; | |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5330 prog->state[i].lastlist[0] = 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5331 prog->state[i].lastlist[1] = 0; |
| 4444 | 5332 } |
| 5333 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5334 retval = nfa_regtry(prog, col); |
| 4444 | 5335 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5336 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5337 nfa_regengine.expr = NULL; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5338 #endif |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5339 |
| 4444 | 5340 theend: |
| 5341 return retval; | |
| 5342 } | |
| 5343 | |
| 5344 /* | |
| 5345 * Compile a regular expression into internal code for the NFA matcher. | |
| 5346 * Returns the program in allocated space. Returns NULL for an error. | |
| 5347 */ | |
| 5348 static regprog_T * | |
| 5349 nfa_regcomp(expr, re_flags) | |
| 5350 char_u *expr; | |
| 5351 int re_flags; | |
| 5352 { | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5353 nfa_regprog_T *prog = NULL; |
| 4458 | 5354 size_t prog_size; |
| 4444 | 5355 int *postfix; |
| 5356 | |
| 5357 if (expr == NULL) | |
| 5358 return NULL; | |
| 5359 | |
| 5360 #ifdef DEBUG | |
| 5361 nfa_regengine.expr = expr; | |
| 5362 #endif | |
| 5363 | |
| 5364 init_class_tab(); | |
| 5365 | |
| 5366 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
| 5367 return NULL; | |
| 5368 | |
| 5369 /* 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
|
5370 * (and count its size). */ |
| 4444 | 5371 postfix = re2post(); |
| 5372 if (postfix == NULL) | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5373 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5374 /* TODO: only give this error for debugging? */ |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5375 if (post_ptr >= post_end) |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5376 EMSGN("Internal error: estimated max number of states insufficient: %ld", post_end - post_start); |
| 4444 | 5377 goto fail; /* Cascaded (syntax?) error */ |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5378 } |
| 4444 | 5379 |
| 5380 /* | |
| 5381 * In order to build the NFA, we parse the input regexp twice: | |
| 5382 * 1. first pass to count size (so we can allocate space) | |
| 5383 * 2. second to emit code | |
| 5384 */ | |
| 5385 #ifdef ENABLE_LOG | |
| 5386 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5387 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 5388 |
| 5389 if (f != NULL) | |
| 5390 { | |
| 5391 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\" ... hold on !\n", expr); | |
| 5392 fclose(f); | |
| 5393 } | |
| 5394 } | |
| 5395 #endif | |
| 5396 | |
| 5397 /* | |
| 5398 * PASS 1 | |
| 5399 * Count number of NFA states in "nstate". Do not build the NFA. | |
| 5400 */ | |
| 5401 post2nfa(postfix, post_ptr, TRUE); | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5402 |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5403 /* Space for compiled regexp */ |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5404 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
|
5405 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE); |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5406 if (prog == NULL) |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5407 goto fail; |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
5408 vim_memset(prog, 0, prog_size); |
| 4444 | 5409 state_ptr = prog->state; |
| 5410 | |
| 5411 /* | |
| 5412 * PASS 2 | |
| 5413 * Build the NFA | |
| 5414 */ | |
| 5415 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
| 5416 if (prog->start == NULL) | |
| 5417 goto fail; | |
| 5418 | |
| 5419 prog->regflags = regflags; | |
| 5420 prog->engine = &nfa_regengine; | |
| 5421 prog->nstate = nstate; | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5422 prog->has_zend = nfa_has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
5423 prog->has_backref = nfa_has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5424 prog->nsubexp = regnpar; |
| 4444 | 5425 #ifdef ENABLE_LOG |
| 5426 nfa_postfix_dump(expr, OK); | |
| 5427 nfa_dump(prog); | |
| 5428 #endif | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5429 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5430 /* 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
|
5431 prog->reghasz = re_has_z; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5432 #endif |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5433 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5434 prog->pattern = vim_strsave(expr); /* memory will leak */ |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5435 nfa_regengine.expr = NULL; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5436 #endif |
| 4444 | 5437 |
| 5438 out: | |
| 5439 vim_free(post_start); | |
| 5440 post_start = post_ptr = post_end = NULL; | |
| 5441 state_ptr = NULL; | |
| 5442 return (regprog_T *)prog; | |
| 5443 | |
| 5444 fail: | |
| 5445 vim_free(prog); | |
| 5446 prog = NULL; | |
| 5447 #ifdef ENABLE_LOG | |
| 5448 nfa_postfix_dump(expr, FAIL); | |
| 5449 #endif | |
| 5450 #ifdef DEBUG | |
| 5451 nfa_regengine.expr = NULL; | |
| 5452 #endif | |
| 5453 goto out; | |
| 5454 } | |
| 5455 | |
| 5456 | |
| 5457 /* | |
| 5458 * Match a regexp against a string. | |
| 5459 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
| 5460 * Uses curbuf for line count and 'iskeyword'. | |
| 5461 * | |
| 5462 * Return TRUE if there is a match, FALSE if not. | |
| 5463 */ | |
| 5464 static int | |
| 5465 nfa_regexec(rmp, line, col) | |
| 5466 regmatch_T *rmp; | |
| 5467 char_u *line; /* string to match against */ | |
| 5468 colnr_T col; /* column to start looking for match */ | |
| 5469 { | |
| 5470 reg_match = rmp; | |
| 5471 reg_mmatch = NULL; | |
| 5472 reg_maxline = 0; | |
| 5473 reg_line_lbr = FALSE; | |
| 5474 reg_buf = curbuf; | |
| 5475 reg_win = NULL; | |
| 5476 ireg_ic = rmp->rm_ic; | |
| 5477 #ifdef FEAT_MBYTE | |
| 5478 ireg_icombine = FALSE; | |
| 5479 #endif | |
| 5480 ireg_maxcol = 0; | |
| 5481 return (nfa_regexec_both(line, col) != 0); | |
| 5482 } | |
| 5483 | |
| 5484 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \ | |
| 5485 || defined(FIND_REPLACE_DIALOG) || defined(PROTO) | |
| 5486 | |
| 5487 static int nfa_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); | |
| 5488 | |
| 5489 /* | |
| 5490 * Like nfa_regexec(), but consider a "\n" in "line" to be a line break. | |
| 5491 */ | |
| 5492 static int | |
| 5493 nfa_regexec_nl(rmp, line, col) | |
| 5494 regmatch_T *rmp; | |
| 5495 char_u *line; /* string to match against */ | |
| 5496 colnr_T col; /* column to start looking for match */ | |
| 5497 { | |
| 5498 reg_match = rmp; | |
| 5499 reg_mmatch = NULL; | |
| 5500 reg_maxline = 0; | |
| 5501 reg_line_lbr = TRUE; | |
| 5502 reg_buf = curbuf; | |
| 5503 reg_win = NULL; | |
| 5504 ireg_ic = rmp->rm_ic; | |
| 5505 #ifdef FEAT_MBYTE | |
| 5506 ireg_icombine = FALSE; | |
| 5507 #endif | |
| 5508 ireg_maxcol = 0; | |
| 5509 return (nfa_regexec_both(line, col) != 0); | |
| 5510 } | |
| 5511 #endif | |
| 5512 | |
| 5513 | |
| 5514 /* | |
| 5515 * Match a regexp against multiple lines. | |
| 5516 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
| 5517 * Uses curbuf for line count and 'iskeyword'. | |
| 5518 * | |
| 5519 * Return zero if there is no match. Return number of lines contained in the | |
| 5520 * match otherwise. | |
| 5521 * | |
| 5522 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
| 5523 * | |
| 5524 * ! Also NOTE : match may actually be in another line. e.g.: | |
| 5525 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
| 5526 * | |
| 5527 * +-------------------------+ | |
| 5528 * |a | | |
| 5529 * |b | | |
| 5530 * |c | | |
| 5531 * | | | |
| 5532 * +-------------------------+ | |
| 5533 * | |
| 5534 * then nfa_regexec_multi() returns 3. while the original | |
| 5535 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
| 5536 * | |
| 5537 * FIXME if this behavior is not compatible. | |
| 5538 */ | |
| 5539 static long | |
| 5540 nfa_regexec_multi(rmp, win, buf, lnum, col, tm) | |
| 5541 regmmatch_T *rmp; | |
| 5542 win_T *win; /* window in which to search or NULL */ | |
| 5543 buf_T *buf; /* buffer in which to search */ | |
| 5544 linenr_T lnum; /* nr of line to start looking for match */ | |
| 5545 colnr_T col; /* column to start looking for match */ | |
| 5546 proftime_T *tm UNUSED; /* timeout limit or NULL */ | |
| 5547 { | |
| 5548 reg_match = NULL; | |
| 5549 reg_mmatch = rmp; | |
| 5550 reg_buf = buf; | |
| 5551 reg_win = win; | |
| 5552 reg_firstlnum = lnum; | |
| 5553 reg_maxline = reg_buf->b_ml.ml_line_count - lnum; | |
| 5554 reg_line_lbr = FALSE; | |
| 5555 ireg_ic = rmp->rmm_ic; | |
| 5556 #ifdef FEAT_MBYTE | |
| 5557 ireg_icombine = FALSE; | |
| 5558 #endif | |
| 5559 ireg_maxcol = rmp->rmm_maxcol; | |
| 5560 | |
| 4503 | 5561 return nfa_regexec_both(NULL, col); |
| 4444 | 5562 } |
| 5563 | |
| 5564 #ifdef DEBUG | |
| 5565 # undef ENABLE_LOG | |
| 5566 #endif |