Mercurial > vim
annotate src/regexp_nfa.c @ 4714:fc4d7f02ea3a v7.3.1104
updated for version 7.3.1104
Problem: New regexp engine does not handle "~".
Solution: Add support for "~".
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sun, 02 Jun 2013 22:08:03 +0200 |
| parents | 832bf8136d86 |
| children | a804309e7327 |
| 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 */ | |
| 64 | |
| 65 /* The following are used only in the postfix form, not in the NFA */ | |
| 66 NFA_PREV_ATOM_NO_WIDTH, /* Used for \@= */ | |
| 67 NFA_PREV_ATOM_NO_WIDTH_NEG, /* Used for \@! */ | |
| 68 NFA_PREV_ATOM_JUST_BEFORE, /* Used for \@<= */ | |
| 69 NFA_PREV_ATOM_JUST_BEFORE_NEG, /* Used for \@<! */ | |
| 70 NFA_PREV_ATOM_LIKE_PATTERN, /* Used for \@> */ | |
| 71 | |
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72 NFA_BACKREF1, /* \1 */ |
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73 NFA_BACKREF2, /* \2 */ |
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74 NFA_BACKREF3, /* \3 */ |
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75 NFA_BACKREF4, /* \4 */ |
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76 NFA_BACKREF5, /* \5 */ |
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77 NFA_BACKREF6, /* \6 */ |
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78 NFA_BACKREF7, /* \7 */ |
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79 NFA_BACKREF8, /* \8 */ |
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80 NFA_BACKREF9, /* \9 */ |
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81 #ifdef FEAT_SYN_HL |
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82 NFA_ZREF1, /* \z1 */ |
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83 NFA_ZREF2, /* \z2 */ |
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84 NFA_ZREF3, /* \z3 */ |
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85 NFA_ZREF4, /* \z4 */ |
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86 NFA_ZREF5, /* \z5 */ |
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87 NFA_ZREF6, /* \z6 */ |
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88 NFA_ZREF7, /* \z7 */ |
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89 NFA_ZREF8, /* \z8 */ |
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90 NFA_ZREF9, /* \z9 */ |
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91 #endif |
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92 NFA_SKIP, /* Skip characters */ |
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93 |
| 4444 | 94 NFA_MOPEN, |
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95 NFA_MOPEN1, |
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96 NFA_MOPEN2, |
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97 NFA_MOPEN3, |
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98 NFA_MOPEN4, |
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99 NFA_MOPEN5, |
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100 NFA_MOPEN6, |
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101 NFA_MOPEN7, |
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102 NFA_MOPEN8, |
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103 NFA_MOPEN9, |
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104 |
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105 NFA_MCLOSE, |
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106 NFA_MCLOSE1, |
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107 NFA_MCLOSE2, |
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108 NFA_MCLOSE3, |
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109 NFA_MCLOSE4, |
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110 NFA_MCLOSE5, |
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111 NFA_MCLOSE6, |
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112 NFA_MCLOSE7, |
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113 NFA_MCLOSE8, |
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114 NFA_MCLOSE9, |
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115 |
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116 #ifdef FEAT_SYN_HL |
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117 NFA_ZOPEN, |
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118 NFA_ZOPEN1, |
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119 NFA_ZOPEN2, |
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120 NFA_ZOPEN3, |
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121 NFA_ZOPEN4, |
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122 NFA_ZOPEN5, |
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123 NFA_ZOPEN6, |
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124 NFA_ZOPEN7, |
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125 NFA_ZOPEN8, |
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126 NFA_ZOPEN9, |
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127 |
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128 NFA_ZCLOSE, |
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129 NFA_ZCLOSE1, |
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130 NFA_ZCLOSE2, |
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131 NFA_ZCLOSE3, |
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132 NFA_ZCLOSE4, |
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133 NFA_ZCLOSE5, |
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134 NFA_ZCLOSE6, |
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135 NFA_ZCLOSE7, |
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136 NFA_ZCLOSE8, |
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137 NFA_ZCLOSE9, |
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138 #endif |
| 4444 | 139 |
| 140 /* NFA_FIRST_NL */ | |
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141 NFA_ANY, /* Match any one character. */ |
| 4444 | 142 NFA_ANYOF, /* Match any character in this string. */ |
| 143 NFA_ANYBUT, /* Match any character not in this string. */ | |
| 144 NFA_IDENT, /* Match identifier char */ | |
| 145 NFA_SIDENT, /* Match identifier char but no digit */ | |
| 146 NFA_KWORD, /* Match keyword char */ | |
| 147 NFA_SKWORD, /* Match word char but no digit */ | |
| 148 NFA_FNAME, /* Match file name char */ | |
| 149 NFA_SFNAME, /* Match file name char but no digit */ | |
| 150 NFA_PRINT, /* Match printable char */ | |
| 151 NFA_SPRINT, /* Match printable char but no digit */ | |
| 152 NFA_WHITE, /* Match whitespace char */ | |
| 153 NFA_NWHITE, /* Match non-whitespace char */ | |
| 154 NFA_DIGIT, /* Match digit char */ | |
| 155 NFA_NDIGIT, /* Match non-digit char */ | |
| 156 NFA_HEX, /* Match hex char */ | |
| 157 NFA_NHEX, /* Match non-hex char */ | |
| 158 NFA_OCTAL, /* Match octal char */ | |
| 159 NFA_NOCTAL, /* Match non-octal char */ | |
| 160 NFA_WORD, /* Match word char */ | |
| 161 NFA_NWORD, /* Match non-word char */ | |
| 162 NFA_HEAD, /* Match head char */ | |
| 163 NFA_NHEAD, /* Match non-head char */ | |
| 164 NFA_ALPHA, /* Match alpha char */ | |
| 165 NFA_NALPHA, /* Match non-alpha char */ | |
| 166 NFA_LOWER, /* Match lowercase char */ | |
| 167 NFA_NLOWER, /* Match non-lowercase char */ | |
| 168 NFA_UPPER, /* Match uppercase char */ | |
| 169 NFA_NUPPER, /* Match non-uppercase char */ | |
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170 |
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171 NFA_CURSOR, /* Match cursor pos */ |
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172 NFA_LNUM, /* Match line number */ |
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173 NFA_LNUM_GT, /* Match > line number */ |
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174 NFA_LNUM_LT, /* Match < line number */ |
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175 NFA_COL, /* Match cursor column */ |
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176 NFA_COL_GT, /* Match > cursor column */ |
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177 NFA_COL_LT, /* Match < cursor column */ |
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178 NFA_VCOL, /* Match cursor virtual column */ |
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179 NFA_VCOL_GT, /* Match > cursor virtual column */ |
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180 NFA_VCOL_LT, /* Match < cursor virtual column */ |
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181 |
| 4444 | 182 NFA_FIRST_NL = NFA_ANY + ADD_NL, |
| 183 NFA_LAST_NL = NFA_NUPPER + ADD_NL, | |
| 184 | |
| 185 /* Character classes [:alnum:] etc */ | |
| 186 NFA_CLASS_ALNUM, | |
| 187 NFA_CLASS_ALPHA, | |
| 188 NFA_CLASS_BLANK, | |
| 189 NFA_CLASS_CNTRL, | |
| 190 NFA_CLASS_DIGIT, | |
| 191 NFA_CLASS_GRAPH, | |
| 192 NFA_CLASS_LOWER, | |
| 193 NFA_CLASS_PRINT, | |
| 194 NFA_CLASS_PUNCT, | |
| 195 NFA_CLASS_SPACE, | |
| 196 NFA_CLASS_UPPER, | |
| 197 NFA_CLASS_XDIGIT, | |
| 198 NFA_CLASS_TAB, | |
| 199 NFA_CLASS_RETURN, | |
| 200 NFA_CLASS_BACKSPACE, | |
| 201 NFA_CLASS_ESCAPE | |
| 202 }; | |
| 203 | |
| 204 /* Keep in sync with classchars. */ | |
| 205 static int nfa_classcodes[] = { | |
| 206 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD, | |
| 207 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT, | |
| 208 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT, | |
| 209 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL, | |
| 210 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD, | |
| 211 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER, | |
| 212 NFA_UPPER, NFA_NUPPER | |
| 213 }; | |
| 214 | |
| 215 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); | |
| 216 | |
| 217 /* | |
| 218 * NFA errors can be of 3 types: | |
| 219 * *** NFA runtime errors, when something unknown goes wrong. The NFA fails | |
| 220 * silently and revert the to backtracking engine. | |
| 221 * syntax_error = FALSE; | |
| 222 * *** Regexp syntax errors, when the input regexp is not syntactically correct. | |
| 223 * The NFA engine displays an error message, and nothing else happens. | |
| 224 * syntax_error = TRUE | |
| 225 * *** Unsupported features, when the input regexp uses an operator that is not | |
| 226 * implemented in the NFA. The NFA engine fails silently, and reverts to the | |
| 227 * old backtracking engine. | |
| 228 * syntax_error = FALSE | |
| 229 * "The NFA fails" means that "compiling the regexp with the NFA fails": | |
| 230 * nfa_regcomp() returns FAIL. | |
| 231 */ | |
| 232 static int syntax_error = FALSE; | |
| 233 | |
| 234 /* NFA regexp \ze operator encountered. */ | |
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235 static int nfa_has_zend; |
| 4444 | 236 |
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237 /* NFA regexp \1 .. \9 encountered. */ |
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238 static int nfa_has_backref; |
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239 |
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240 /* NFA regexp has \z( ), set zsubexpr. */ |
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241 static int nfa_has_zsubexpr; |
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242 |
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243 /* Number of sub expressions actually being used during execution. 1 if only |
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244 * the whole match (subexpr 0) is used. */ |
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245 static int nfa_nsubexpr; |
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246 |
| 4444 | 247 static int *post_start; /* holds the postfix form of r.e. */ |
| 248 static int *post_end; | |
| 249 static int *post_ptr; | |
| 250 | |
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251 static int nstate; /* Number of states in the NFA. Also used when |
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252 * executing. */ |
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253 static int istate; /* Index in the state vector, used in alloc_state() */ |
| 4444 | 254 |
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255 /* If not NULL match must end at this position */ |
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256 static save_se_T *nfa_endp = NULL; |
| 4444 | 257 |
| 258 static int nfa_regcomp_start __ARGS((char_u*expr, int re_flags)); | |
| 259 static int nfa_recognize_char_class __ARGS((char_u *start, char_u *end, int extra_newl)); | |
| 260 static int nfa_emit_equi_class __ARGS((int c, int neg)); | |
| 261 static int nfa_regatom __ARGS((void)); | |
| 262 static int nfa_regpiece __ARGS((void)); | |
| 263 static int nfa_regconcat __ARGS((void)); | |
| 264 static int nfa_regbranch __ARGS((void)); | |
| 265 static int nfa_reg __ARGS((int paren)); | |
| 266 #ifdef DEBUG | |
| 267 static void nfa_set_code __ARGS((int c)); | |
| 268 static void nfa_postfix_dump __ARGS((char_u *expr, int retval)); | |
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269 static void nfa_print_state __ARGS((FILE *debugf, nfa_state_T *state)); |
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270 static void nfa_print_state2 __ARGS((FILE *debugf, nfa_state_T *state, garray_T *indent)); |
| 4444 | 271 static void nfa_dump __ARGS((nfa_regprog_T *prog)); |
| 272 #endif | |
| 273 static int *re2post __ARGS((void)); | |
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274 static nfa_state_T *alloc_state __ARGS((int c, nfa_state_T *out, nfa_state_T *out1)); |
| 4444 | 275 static nfa_state_T *post2nfa __ARGS((int *postfix, int *end, int nfa_calc_size)); |
| 276 static int check_char_class __ARGS((int class, int c)); | |
| 277 static void st_error __ARGS((int *postfix, int *end, int *p)); | |
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278 static void nfa_save_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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279 static void nfa_restore_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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280 static int nfa_re_num_cmp __ARGS((long_u val, int op, long_u pos)); |
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281 static long nfa_regtry __ARGS((nfa_regprog_T *prog, colnr_T col)); |
| 4444 | 282 static long nfa_regexec_both __ARGS((char_u *line, colnr_T col)); |
| 283 static regprog_T *nfa_regcomp __ARGS((char_u *expr, int re_flags)); | |
| 284 static int nfa_regexec __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); | |
| 285 static long nfa_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm)); | |
| 286 | |
| 287 /* helper functions used when doing re2post() ... regatom() parsing */ | |
| 288 #define EMIT(c) do { \ | |
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289 if (post_ptr >= post_end && realloc_post_list() == FAIL) \ |
| 4444 | 290 return FAIL; \ |
| 291 *post_ptr++ = c; \ | |
| 292 } while (0) | |
| 293 | |
| 294 /* | |
| 295 * Initialize internal variables before NFA compilation. | |
| 296 * Return OK on success, FAIL otherwise. | |
| 297 */ | |
| 298 static int | |
| 299 nfa_regcomp_start(expr, re_flags) | |
| 300 char_u *expr; | |
| 301 int re_flags; /* see vim_regcomp() */ | |
| 302 { | |
| 4458 | 303 size_t postfix_size; |
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304 int nstate_max; |
| 4444 | 305 |
| 306 nstate = 0; | |
| 307 istate = 0; | |
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308 /* A reasonable estimation for maximum size */ |
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309 nstate_max = (int)(STRLEN(expr) + 1) * 25; |
| 4444 | 310 |
| 4454 | 311 /* Some items blow up in size, such as [A-z]. Add more space for that. |
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312 * When it is still not enough realloc_post_list() will be used. */ |
| 4458 | 313 nstate_max += 1000; |
| 4454 | 314 |
| 315 /* Size for postfix representation of expr. */ | |
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316 postfix_size = sizeof(int) * nstate_max; |
| 4454 | 317 |
| 4444 | 318 post_start = (int *)lalloc(postfix_size, TRUE); |
| 319 if (post_start == NULL) | |
| 320 return FAIL; | |
| 321 vim_memset(post_start, 0, postfix_size); | |
| 322 post_ptr = post_start; | |
| 4454 | 323 post_end = post_start + nstate_max; |
| 4444 | 324 nfa_has_zend = FALSE; |
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325 nfa_has_backref = FALSE; |
| 4444 | 326 |
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327 /* shared with BT engine */ |
| 4444 | 328 regcomp_start(expr, re_flags); |
| 329 | |
| 330 return OK; | |
| 331 } | |
| 332 | |
| 333 /* | |
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334 * Allocate more space for post_start. Called when |
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335 * running above the estimated number of states. |
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336 */ |
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337 static int |
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338 realloc_post_list() |
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339 { |
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340 int nstate_max = (int)(post_end - post_start); |
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341 int new_max = nstate_max + 1000; |
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342 int *new_start; |
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343 int *old_start; |
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344 |
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345 new_start = (int *)lalloc(new_max * sizeof(int), TRUE); |
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346 if (new_start == NULL) |
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347 return FAIL; |
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348 mch_memmove(new_start, post_start, nstate_max * sizeof(int)); |
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349 vim_memset(new_start + nstate_max, 0, 1000 * sizeof(int)); |
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350 old_start = post_start; |
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351 post_start = new_start; |
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352 post_ptr = new_start + (post_ptr - old_start); |
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353 post_end = post_start + new_max; |
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354 vim_free(old_start); |
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355 return OK; |
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356 } |
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357 |
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358 /* |
| 4444 | 359 * Search between "start" and "end" and try to recognize a |
| 360 * character class in expanded form. For example [0-9]. | |
| 361 * On success, return the id the character class to be emitted. | |
| 362 * On failure, return 0 (=FAIL) | |
| 363 * Start points to the first char of the range, while end should point | |
| 364 * to the closing brace. | |
| 365 */ | |
| 366 static int | |
| 367 nfa_recognize_char_class(start, end, extra_newl) | |
| 368 char_u *start; | |
| 369 char_u *end; | |
| 370 int extra_newl; | |
| 371 { | |
| 372 int i; | |
| 373 /* Each of these variables takes up a char in "config[]", | |
| 374 * in the order they are here. */ | |
| 375 int not = FALSE, af = FALSE, AF = FALSE, az = FALSE, AZ = FALSE, | |
| 376 o7 = FALSE, o9 = FALSE, underscore = FALSE, newl = FALSE; | |
| 377 char_u *p; | |
| 378 #define NCONFIGS 16 | |
| 379 int classid[NCONFIGS] = { | |
| 380 NFA_DIGIT, NFA_NDIGIT, NFA_HEX, NFA_NHEX, | |
| 381 NFA_OCTAL, NFA_NOCTAL, NFA_WORD, NFA_NWORD, | |
| 382 NFA_HEAD, NFA_NHEAD, NFA_ALPHA, NFA_NALPHA, | |
| 383 NFA_LOWER, NFA_NLOWER, NFA_UPPER, NFA_NUPPER | |
| 384 }; | |
| 4450 | 385 char_u myconfig[10]; |
| 4444 | 386 char_u config[NCONFIGS][9] = { |
| 387 "000000100", /* digit */ | |
| 388 "100000100", /* non digit */ | |
| 389 "011000100", /* hex-digit */ | |
| 390 "111000100", /* non hex-digit */ | |
| 391 "000001000", /* octal-digit */ | |
| 392 "100001000", /* [^0-7] */ | |
| 393 "000110110", /* [0-9A-Za-z_] */ | |
| 394 "100110110", /* [^0-9A-Za-z_] */ | |
| 395 "000110010", /* head of word */ | |
| 396 "100110010", /* not head of word */ | |
| 397 "000110000", /* alphabetic char a-z */ | |
| 398 "100110000", /* non alphabetic char */ | |
| 399 "000100000", /* lowercase letter */ | |
| 400 "100100000", /* non lowercase */ | |
| 401 "000010000", /* uppercase */ | |
| 402 "100010000" /* non uppercase */ | |
| 403 }; | |
| 404 | |
| 405 if (extra_newl == TRUE) | |
| 406 newl = TRUE; | |
| 407 | |
| 408 if (*end != ']') | |
| 409 return FAIL; | |
| 410 p = start; | |
| 411 if (*p == '^') | |
| 412 { | |
| 413 not = TRUE; | |
| 414 p ++; | |
| 415 } | |
| 416 | |
| 417 while (p < end) | |
| 418 { | |
| 419 if (p + 2 < end && *(p + 1) == '-') | |
| 420 { | |
| 421 switch (*p) | |
| 422 { | |
| 423 case '0': | |
| 424 if (*(p + 2) == '9') | |
| 425 { | |
| 426 o9 = TRUE; | |
| 427 break; | |
| 428 } | |
| 429 else | |
| 430 if (*(p + 2) == '7') | |
| 431 { | |
| 432 o7 = TRUE; | |
| 433 break; | |
| 434 } | |
| 435 case 'a': | |
| 436 if (*(p + 2) == 'z') | |
| 437 { | |
| 438 az = TRUE; | |
| 439 break; | |
| 440 } | |
| 441 else | |
| 442 if (*(p + 2) == 'f') | |
| 443 { | |
| 444 af = TRUE; | |
| 445 break; | |
| 446 } | |
| 447 case 'A': | |
| 448 if (*(p + 2) == 'Z') | |
| 449 { | |
| 450 AZ = TRUE; | |
| 451 break; | |
| 452 } | |
| 453 else | |
| 454 if (*(p + 2) == 'F') | |
| 455 { | |
| 456 AF = TRUE; | |
| 457 break; | |
| 458 } | |
| 459 /* FALLTHROUGH */ | |
| 460 default: | |
| 461 return FAIL; | |
| 462 } | |
| 463 p += 3; | |
| 464 } | |
| 465 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
| 466 { | |
| 467 newl = TRUE; | |
| 468 p += 2; | |
| 469 } | |
| 470 else if (*p == '_') | |
| 471 { | |
| 472 underscore = TRUE; | |
| 473 p ++; | |
| 474 } | |
| 475 else if (*p == '\n') | |
| 476 { | |
| 477 newl = TRUE; | |
| 478 p ++; | |
| 479 } | |
| 480 else | |
| 481 return FAIL; | |
| 482 } /* while (p < end) */ | |
| 483 | |
| 484 if (p != end) | |
| 485 return FAIL; | |
| 486 | |
| 487 /* build the config that represents the ranges we gathered */ | |
| 488 STRCPY(myconfig, "000000000"); | |
| 489 if (not == TRUE) | |
| 490 myconfig[0] = '1'; | |
| 491 if (af == TRUE) | |
| 492 myconfig[1] = '1'; | |
| 493 if (AF == TRUE) | |
| 494 myconfig[2] = '1'; | |
| 495 if (az == TRUE) | |
| 496 myconfig[3] = '1'; | |
| 497 if (AZ == TRUE) | |
| 498 myconfig[4] = '1'; | |
| 499 if (o7 == TRUE) | |
| 500 myconfig[5] = '1'; | |
| 501 if (o9 == TRUE) | |
| 502 myconfig[6] = '1'; | |
| 503 if (underscore == TRUE) | |
| 504 myconfig[7] = '1'; | |
| 505 if (newl == TRUE) | |
| 506 { | |
| 507 myconfig[8] = '1'; | |
| 508 extra_newl = ADD_NL; | |
| 509 } | |
| 510 /* try to recognize character classes */ | |
| 511 for (i = 0; i < NCONFIGS; i++) | |
| 4450 | 512 if (STRNCMP(myconfig, config[i], 8) == 0) |
| 4444 | 513 return classid[i] + extra_newl; |
| 514 | |
| 515 /* fallthrough => no success so far */ | |
| 516 return FAIL; | |
| 517 | |
| 518 #undef NCONFIGS | |
| 519 } | |
| 520 | |
| 521 /* | |
| 522 * Produce the bytes for equivalence class "c". | |
| 523 * Currently only handles latin1, latin9 and utf-8. | |
| 524 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
| 525 * equivalent to 'a OR b OR c' | |
| 526 * | |
| 527 * NOTE! When changing this function, also update reg_equi_class() | |
| 528 */ | |
| 529 static int | |
| 530 nfa_emit_equi_class(c, neg) | |
| 531 int c; | |
| 532 int neg; | |
| 533 { | |
| 534 int first = TRUE; | |
| 535 int glue = neg == TRUE ? NFA_CONCAT : NFA_OR; | |
| 536 #define EMIT2(c) \ | |
| 537 EMIT(c); \ | |
| 538 if (neg == TRUE) { \ | |
| 539 EMIT(NFA_NOT); \ | |
| 540 } \ | |
| 541 if (first == FALSE) \ | |
| 542 EMIT(glue); \ | |
| 543 else \ | |
| 544 first = FALSE; \ | |
| 545 | |
| 546 #ifdef FEAT_MBYTE | |
| 547 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 | |
| 548 || STRCMP(p_enc, "iso-8859-15") == 0) | |
| 549 #endif | |
| 550 { | |
| 551 switch (c) | |
| 552 { | |
| 553 case 'A': case '\300': case '\301': case '\302': | |
| 554 case '\303': case '\304': case '\305': | |
| 555 EMIT2('A'); EMIT2('\300'); EMIT2('\301'); | |
| 556 EMIT2('\302'); EMIT2('\303'); EMIT2('\304'); | |
| 557 EMIT2('\305'); | |
| 558 return OK; | |
| 559 | |
| 560 case 'C': case '\307': | |
| 561 EMIT2('C'); EMIT2('\307'); | |
| 562 return OK; | |
| 563 | |
| 564 case 'E': case '\310': case '\311': case '\312': case '\313': | |
| 565 EMIT2('E'); EMIT2('\310'); EMIT2('\311'); | |
| 566 EMIT2('\312'); EMIT2('\313'); | |
| 567 return OK; | |
| 568 | |
| 569 case 'I': case '\314': case '\315': case '\316': case '\317': | |
| 570 EMIT2('I'); EMIT2('\314'); EMIT2('\315'); | |
| 571 EMIT2('\316'); EMIT2('\317'); | |
| 572 return OK; | |
| 573 | |
| 574 case 'N': case '\321': | |
| 575 EMIT2('N'); EMIT2('\321'); | |
| 576 return OK; | |
| 577 | |
| 578 case 'O': case '\322': case '\323': case '\324': case '\325': | |
| 579 case '\326': | |
| 580 EMIT2('O'); EMIT2('\322'); EMIT2('\323'); | |
| 581 EMIT2('\324'); EMIT2('\325'); EMIT2('\326'); | |
| 582 return OK; | |
| 583 | |
| 584 case 'U': case '\331': case '\332': case '\333': case '\334': | |
| 585 EMIT2('U'); EMIT2('\331'); EMIT2('\332'); | |
| 586 EMIT2('\333'); EMIT2('\334'); | |
| 587 return OK; | |
| 588 | |
| 589 case 'Y': case '\335': | |
| 590 EMIT2('Y'); EMIT2('\335'); | |
| 591 return OK; | |
| 592 | |
| 593 case 'a': case '\340': case '\341': case '\342': | |
| 594 case '\343': case '\344': case '\345': | |
| 595 EMIT2('a'); EMIT2('\340'); EMIT2('\341'); | |
| 596 EMIT2('\342'); EMIT2('\343'); EMIT2('\344'); | |
| 597 EMIT2('\345'); | |
| 598 return OK; | |
| 599 | |
| 600 case 'c': case '\347': | |
| 601 EMIT2('c'); EMIT2('\347'); | |
| 602 return OK; | |
| 603 | |
| 604 case 'e': case '\350': case '\351': case '\352': case '\353': | |
| 605 EMIT2('e'); EMIT2('\350'); EMIT2('\351'); | |
| 606 EMIT2('\352'); EMIT2('\353'); | |
| 607 return OK; | |
| 608 | |
| 609 case 'i': case '\354': case '\355': case '\356': case '\357': | |
| 610 EMIT2('i'); EMIT2('\354'); EMIT2('\355'); | |
| 611 EMIT2('\356'); EMIT2('\357'); | |
| 612 return OK; | |
| 613 | |
| 614 case 'n': case '\361': | |
| 615 EMIT2('n'); EMIT2('\361'); | |
| 616 return OK; | |
| 617 | |
| 618 case 'o': case '\362': case '\363': case '\364': case '\365': | |
| 619 case '\366': | |
| 620 EMIT2('o'); EMIT2('\362'); EMIT2('\363'); | |
| 621 EMIT2('\364'); EMIT2('\365'); EMIT2('\366'); | |
| 622 return OK; | |
| 623 | |
| 624 case 'u': case '\371': case '\372': case '\373': case '\374': | |
| 625 EMIT2('u'); EMIT2('\371'); EMIT2('\372'); | |
| 626 EMIT2('\373'); EMIT2('\374'); | |
| 627 return OK; | |
| 628 | |
| 629 case 'y': case '\375': case '\377': | |
| 630 EMIT2('y'); EMIT2('\375'); EMIT2('\377'); | |
| 631 return OK; | |
| 632 | |
| 633 default: | |
| 634 return FAIL; | |
| 635 } | |
| 636 } | |
| 637 | |
| 638 EMIT(c); | |
| 639 return OK; | |
| 640 #undef EMIT2 | |
| 641 } | |
| 642 | |
| 643 /* | |
| 644 * Code to parse regular expression. | |
| 645 * | |
| 646 * We try to reuse parsing functions in regexp.c to | |
| 647 * minimize surprise and keep the syntax consistent. | |
| 648 */ | |
| 649 | |
| 650 /* | |
| 651 * Parse the lowest level. | |
| 652 * | |
| 653 * An atom can be one of a long list of items. Many atoms match one character | |
| 654 * in the text. It is often an ordinary character or a character class. | |
| 655 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
| 656 * is only for syntax highlighting. | |
| 657 * | |
| 658 * atom ::= ordinary-atom | |
| 659 * or \( pattern \) | |
| 660 * or \%( pattern \) | |
| 661 * or \z( pattern \) | |
| 662 */ | |
| 663 static int | |
| 664 nfa_regatom() | |
| 665 { | |
| 666 int c; | |
| 667 int charclass; | |
| 668 int equiclass; | |
| 669 int collclass; | |
| 670 int got_coll_char; | |
| 671 char_u *p; | |
| 672 char_u *endp; | |
| 673 #ifdef FEAT_MBYTE | |
| 674 char_u *old_regparse = regparse; | |
| 675 #endif | |
| 676 int extra = 0; | |
| 677 int first; | |
| 678 int emit_range; | |
| 679 int negated; | |
| 680 int result; | |
| 681 int startc = -1; | |
| 682 int endc = -1; | |
| 683 int oldstartc = -1; | |
| 684 int cpo_lit; /* 'cpoptions' contains 'l' flag */ | |
| 685 int cpo_bsl; /* 'cpoptions' contains '\' flag */ | |
| 686 int glue; /* ID that will "glue" nodes together */ | |
| 687 | |
| 688 cpo_lit = vim_strchr(p_cpo, CPO_LITERAL) != NULL; | |
| 689 cpo_bsl = vim_strchr(p_cpo, CPO_BACKSL) != NULL; | |
| 690 | |
| 691 c = getchr(); | |
| 692 switch (c) | |
| 693 { | |
|
4543
08ac46980953
updated for version 7.3.1019
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4541
diff
changeset
|
694 case NUL: |
|
08ac46980953
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4541
diff
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|
695 syntax_error = TRUE; |
|
08ac46980953
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4541
diff
changeset
|
696 EMSG_RET_FAIL(_("E865: (NFA) Regexp end encountered prematurely")); |
|
08ac46980953
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4541
diff
changeset
|
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 == '[') | |
|
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
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4515
diff
changeset
|
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
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diff
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|
775 EMSGN("INTERNAL: Unknown character class char: %ld", c); |
|
b2a8e3a66f8c
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diff
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|
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
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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
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parents:
4712
diff
changeset
|
832 case Magic('~'): |
|
fc4d7f02ea3a
updated for version 7.3.1104
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diff
changeset
|
833 { |
|
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updated for version 7.3.1104
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diff
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|
834 char_u *lp; |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
4712
diff
changeset
|
835 |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
4712
diff
changeset
|
836 /* Previous substitute pattern. |
|
fc4d7f02ea3a
updated for version 7.3.1104
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4712
diff
changeset
|
837 * Generated as "\%(pattern\)". */ |
|
fc4d7f02ea3a
updated for version 7.3.1104
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diff
changeset
|
838 if (reg_prev_sub == NULL) |
|
fc4d7f02ea3a
updated for version 7.3.1104
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4712
diff
changeset
|
839 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
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4712
diff
changeset
|
840 EMSG(_(e_nopresub)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
4712
diff
changeset
|
841 return FAIL; |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
4712
diff
changeset
|
842 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
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diff
changeset
|
843 for (lp = reg_prev_sub; *lp != NUL; mb_cptr_adv(lp)) |
|
fc4d7f02ea3a
updated for version 7.3.1104
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changeset
|
844 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
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diff
changeset
|
845 EMIT(PTR2CHAR(lp)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
4712
diff
changeset
|
846 if (lp != reg_prev_sub) |
|
fc4d7f02ea3a
updated for version 7.3.1104
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4712
diff
changeset
|
847 EMIT(NFA_CONCAT); |
|
fc4d7f02ea3a
updated for version 7.3.1104
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diff
changeset
|
848 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
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diff
changeset
|
849 EMIT(NFA_NOPEN); |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
4712
diff
changeset
|
850 break; |
|
fc4d7f02ea3a
updated for version 7.3.1104
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parents:
4712
diff
changeset
|
851 } |
| 4444 | 852 |
|
4647
857f6c53f117
updated for version 7.3.1071
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parents:
4615
diff
changeset
|
853 case Magic('1'): |
|
857f6c53f117
updated for version 7.3.1071
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diff
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|
854 case Magic('2'): |
|
857f6c53f117
updated for version 7.3.1071
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|
855 case Magic('3'): |
|
857f6c53f117
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diff
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|
856 case Magic('4'): |
|
857f6c53f117
updated for version 7.3.1071
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parents:
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diff
changeset
|
857 case Magic('5'): |
|
857f6c53f117
updated for version 7.3.1071
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diff
changeset
|
858 case Magic('6'): |
|
857f6c53f117
updated for version 7.3.1071
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diff
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|
859 case Magic('7'): |
|
857f6c53f117
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diff
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|
860 case Magic('8'): |
|
857f6c53f117
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diff
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|
861 case Magic('9'): |
|
857f6c53f117
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diff
changeset
|
862 EMIT(NFA_BACKREF1 + (no_Magic(c) - '1')); |
|
857f6c53f117
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|
863 nfa_has_backref = TRUE; |
|
857f6c53f117
updated for version 7.3.1071
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|
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
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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
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4682
diff
changeset
|
887 /* \z1...\z9 */ |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
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4686
diff
changeset
|
888 if (reg_do_extmatch != REX_USE) |
|
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
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4686
diff
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|
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
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parents:
4682
diff
changeset
|
891 /* No need to set nfa_has_backref, the sub-matches don't |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
892 * change when \z1 .. \z9 maches or not. */ |
|
8db697ae406a
updated for version 7.3.1090
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parents:
4682
diff
changeset
|
893 re_has_z = REX_USE; |
|
8db697ae406a
updated for version 7.3.1090
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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
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parents:
4686
diff
changeset
|
897 if (reg_do_extmatch != REX_SET) |
|
371cc0c44097
updated for version 7.3.1091
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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
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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
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4541
diff
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|
939 } |
|
08ac46980953
updated for version 7.3.1019
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4541
diff
changeset
|
940 |
|
4549
849180347ac3
updated for version 7.3.1022
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parents:
4547
diff
changeset
|
941 if (nr < 0) |
|
4543
08ac46980953
updated for version 7.3.1019
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parents:
4541
diff
changeset
|
942 EMSG2_RET_FAIL( |
|
08ac46980953
updated for version 7.3.1019
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4541
diff
changeset
|
943 _("E678: Invalid character after %s%%[dxouU]"), |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
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4541
diff
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|
944 reg_magic == MAGIC_ALL); |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
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|
945 /* TODO: what if a composing character follows? */ |
|
4549
849180347ac3
updated for version 7.3.1022
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parents:
4547
diff
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|
946 EMIT(nr); |
|
4543
08ac46980953
updated for version 7.3.1019
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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
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|
961 EMIT(NFA_CURSOR); |
| 4444 | 962 break; |
| 963 | |
| 964 case 'V': | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
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parents:
4569
diff
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|
965 /* TODO: not supported yet */ |
| 4444 | 966 return FAIL; |
| 967 break; | |
| 968 | |
| 969 case '[': | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
970 /* TODO: \%[abc] not supported yet */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
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parents:
4569
diff
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|
971 return FAIL; |
|
b2a8e3a66f8c
updated for version 7.3.1033
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diff
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|
972 |
| 4444 | 973 default: |
|
4583
321cfbef9431
updated for version 7.3.1039
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|
974 { |
|
4655
779ca415f8e1
updated for version 7.3.1075
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parents:
4651
diff
changeset
|
975 int n = 0; |
|
4583
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4579
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|
976 int cmp = c; |
|
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diff
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|
977 |
|
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updated for version 7.3.1039
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diff
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|
978 if (c == '<' || c == '>') |
|
321cfbef9431
updated for version 7.3.1039
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|
979 c = getchr(); |
|
321cfbef9431
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|
980 while (VIM_ISDIGIT(c)) |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
981 { |
|
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updated for version 7.3.1039
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diff
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|
982 n = n * 10 + (c - '0'); |
|
321cfbef9431
updated for version 7.3.1039
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|
983 c = getchr(); |
|
321cfbef9431
updated for version 7.3.1039
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|
984 } |
|
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updated for version 7.3.1039
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diff
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|
985 if (c == 'l' || c == 'c' || c == 'v') |
|
321cfbef9431
updated for version 7.3.1039
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4579
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|
986 { |
|
321cfbef9431
updated for version 7.3.1039
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parents:
4579
diff
changeset
|
987 EMIT(n); |
|
321cfbef9431
updated for version 7.3.1039
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parents:
4579
diff
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|
988 if (c == 'l') |
|
321cfbef9431
updated for version 7.3.1039
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4579
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|
989 EMIT(cmp == '<' ? NFA_LNUM_LT : |
|
321cfbef9431
updated for version 7.3.1039
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4579
diff
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|
990 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM); |
|
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4579
diff
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|
991 else if (c == 'c') |
|
321cfbef9431
updated for version 7.3.1039
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4579
diff
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|
992 EMIT(cmp == '<' ? NFA_COL_LT : |
|
321cfbef9431
updated for version 7.3.1039
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4579
diff
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|
993 cmp == '>' ? NFA_COL_GT : NFA_COL); |
|
321cfbef9431
updated for version 7.3.1039
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4579
diff
changeset
|
994 else |
|
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updated for version 7.3.1039
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parents:
4579
diff
changeset
|
995 EMIT(cmp == '<' ? NFA_VCOL_LT : |
|
321cfbef9431
updated for version 7.3.1039
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4579
diff
changeset
|
996 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); |
|
321cfbef9431
updated for version 7.3.1039
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parents:
4579
diff
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|
997 break; |
|
321cfbef9431
updated for version 7.3.1039
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parents:
4579
diff
changeset
|
998 } |
|
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updated for version 7.3.1039
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parents:
4579
diff
changeset
|
999 else if (c == '\'') |
|
321cfbef9431
updated for version 7.3.1039
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parents:
4579
diff
changeset
|
1000 /* TODO: \%'m not supported yet */ |
|
321cfbef9431
updated for version 7.3.1039
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4579
diff
changeset
|
1001 return FAIL; |
|
321cfbef9431
updated for version 7.3.1039
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parents:
4579
diff
changeset
|
1002 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1003 syntax_error = TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
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4569
diff
changeset
|
1004 EMSGN(_("E867: (NFA) Unknown operator '\\%%%c'"), |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1005 no_Magic(c)); |
| 4444 | 1006 return FAIL; |
| 1007 } | |
| 1008 break; | |
| 1009 | |
| 1010 case Magic('['): | |
|
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents:
4515
diff
changeset
|
1011 collection: |
| 4444 | 1012 /* |
| 1013 * Glue is emitted between several atoms from the []. | |
| 1014 * It is either NFA_OR, or NFA_CONCAT. | |
| 1015 * | |
| 1016 * [abc] expands to 'a b NFA_OR c NFA_OR' (in postfix notation) | |
| 1017 * [^abc] expands to 'a NFA_NOT b NFA_NOT NFA_CONCAT c NFA_NOT | |
| 1018 * NFA_CONCAT NFA_END_NEG_RANGE NFA_CONCAT' (in postfix | |
| 1019 * notation) | |
| 1020 * | |
| 1021 */ | |
| 1022 | |
| 1023 | |
| 1024 /* Emit negation atoms, if needed. | |
| 1025 * The CONCAT below merges the NOT with the previous node. */ | |
| 1026 #define TRY_NEG() \ | |
| 1027 if (negated == TRUE) \ | |
| 1028 { \ | |
| 1029 EMIT(NFA_NOT); \ | |
| 1030 } | |
| 1031 | |
| 1032 /* Emit glue between important nodes : CONCAT or OR. */ | |
| 1033 #define EMIT_GLUE() \ | |
| 1034 if (first == FALSE) \ | |
| 1035 EMIT(glue); \ | |
| 1036 else \ | |
| 1037 first = FALSE; | |
| 1038 | |
| 1039 p = regparse; | |
| 1040 endp = skip_anyof(p); | |
| 1041 if (*endp == ']') | |
| 1042 { | |
| 1043 /* | |
| 1044 * Try to reverse engineer character classes. For example, | |
| 1045 * recognize that [0-9] stands for \d and [A-Za-z_] with \h, | |
| 1046 * and perform the necessary substitutions in the NFA. | |
| 1047 */ | |
| 1048 result = nfa_recognize_char_class(regparse, endp, | |
| 1049 extra == ADD_NL); | |
| 1050 if (result != FAIL) | |
| 1051 { | |
| 1052 if (result >= NFA_DIGIT && result <= NFA_NUPPER) | |
| 1053 EMIT(result); | |
| 1054 else /* must be char class + newline */ | |
| 1055 { | |
| 1056 EMIT(result - ADD_NL); | |
| 1057 EMIT(NFA_NEWL); | |
| 1058 EMIT(NFA_OR); | |
| 1059 } | |
| 1060 regparse = endp; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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parents:
4571
diff
changeset
|
1061 mb_ptr_adv(regparse); |
| 4444 | 1062 return OK; |
| 1063 } | |
| 1064 /* | |
| 1065 * Failed to recognize a character class. Use the simple | |
| 1066 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
| 1067 */ | |
| 1068 startc = endc = oldstartc = -1; | |
| 1069 first = TRUE; /* Emitting first atom in this sequence? */ | |
| 1070 negated = FALSE; | |
| 1071 glue = NFA_OR; | |
| 1072 if (*regparse == '^') /* negated range */ | |
| 1073 { | |
| 1074 negated = TRUE; | |
| 1075 glue = NFA_CONCAT; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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4571
diff
changeset
|
1076 mb_ptr_adv(regparse); |
| 4444 | 1077 } |
| 1078 if (*regparse == '-') | |
| 1079 { | |
| 1080 startc = '-'; | |
| 1081 EMIT(startc); | |
| 1082 TRY_NEG(); | |
| 1083 EMIT_GLUE(); | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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4571
diff
changeset
|
1084 mb_ptr_adv(regparse); |
| 4444 | 1085 } |
| 1086 /* Emit the OR branches for each character in the [] */ | |
| 1087 emit_range = FALSE; | |
| 1088 while (regparse < endp) | |
| 1089 { | |
| 1090 oldstartc = startc; | |
| 1091 startc = -1; | |
| 1092 got_coll_char = FALSE; | |
| 1093 if (*regparse == '[') | |
| 1094 { | |
| 1095 /* Check for [: :], [= =], [. .] */ | |
| 1096 equiclass = collclass = 0; | |
| 1097 charclass = get_char_class(®parse); | |
| 1098 if (charclass == CLASS_NONE) | |
| 1099 { | |
| 1100 equiclass = get_equi_class(®parse); | |
| 1101 if (equiclass == 0) | |
| 1102 collclass = get_coll_element(®parse); | |
| 1103 } | |
| 1104 | |
| 1105 /* Character class like [:alpha:] */ | |
| 1106 if (charclass != CLASS_NONE) | |
| 1107 { | |
| 1108 switch (charclass) | |
| 1109 { | |
| 1110 case CLASS_ALNUM: | |
| 1111 EMIT(NFA_CLASS_ALNUM); | |
| 1112 break; | |
| 1113 case CLASS_ALPHA: | |
| 1114 EMIT(NFA_CLASS_ALPHA); | |
| 1115 break; | |
| 1116 case CLASS_BLANK: | |
| 1117 EMIT(NFA_CLASS_BLANK); | |
| 1118 break; | |
| 1119 case CLASS_CNTRL: | |
| 1120 EMIT(NFA_CLASS_CNTRL); | |
| 1121 break; | |
| 1122 case CLASS_DIGIT: | |
| 1123 EMIT(NFA_CLASS_DIGIT); | |
| 1124 break; | |
| 1125 case CLASS_GRAPH: | |
| 1126 EMIT(NFA_CLASS_GRAPH); | |
| 1127 break; | |
| 1128 case CLASS_LOWER: | |
| 1129 EMIT(NFA_CLASS_LOWER); | |
| 1130 break; | |
| 1131 case CLASS_PRINT: | |
| 1132 EMIT(NFA_CLASS_PRINT); | |
| 1133 break; | |
| 1134 case CLASS_PUNCT: | |
| 1135 EMIT(NFA_CLASS_PUNCT); | |
| 1136 break; | |
| 1137 case CLASS_SPACE: | |
| 1138 EMIT(NFA_CLASS_SPACE); | |
| 1139 break; | |
| 1140 case CLASS_UPPER: | |
| 1141 EMIT(NFA_CLASS_UPPER); | |
| 1142 break; | |
| 1143 case CLASS_XDIGIT: | |
| 1144 EMIT(NFA_CLASS_XDIGIT); | |
| 1145 break; | |
| 1146 case CLASS_TAB: | |
| 1147 EMIT(NFA_CLASS_TAB); | |
| 1148 break; | |
| 1149 case CLASS_RETURN: | |
| 1150 EMIT(NFA_CLASS_RETURN); | |
| 1151 break; | |
| 1152 case CLASS_BACKSPACE: | |
| 1153 EMIT(NFA_CLASS_BACKSPACE); | |
| 1154 break; | |
| 1155 case CLASS_ESCAPE: | |
| 1156 EMIT(NFA_CLASS_ESCAPE); | |
| 1157 break; | |
| 1158 } | |
| 1159 TRY_NEG(); | |
| 1160 EMIT_GLUE(); | |
| 1161 continue; | |
| 1162 } | |
| 1163 /* Try equivalence class [=a=] and the like */ | |
| 1164 if (equiclass != 0) | |
| 1165 { | |
| 1166 result = nfa_emit_equi_class(equiclass, negated); | |
| 1167 if (result == FAIL) | |
| 1168 { | |
| 1169 /* should never happen */ | |
| 1170 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); | |
| 1171 } | |
| 1172 EMIT_GLUE(); | |
| 1173 continue; | |
| 1174 } | |
| 1175 /* Try collating class like [. .] */ | |
| 1176 if (collclass != 0) | |
| 1177 { | |
| 1178 startc = collclass; /* allow [.a.]-x as a range */ | |
| 1179 /* Will emit the proper atom at the end of the | |
| 1180 * while loop. */ | |
| 1181 } | |
| 1182 } | |
|
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4675
diff
changeset
|
1183 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a |
|
c1622ff9ed8d
updated for version 7.3.1086
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parents:
4675
diff
changeset
|
1184 * start character. */ |
|
c1622ff9ed8d
updated for version 7.3.1086
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parents:
4675
diff
changeset
|
1185 if (*regparse == '-' && oldstartc != -1) |
| 4444 | 1186 { |
| 1187 emit_range = TRUE; | |
| 1188 startc = oldstartc; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1189 mb_ptr_adv(regparse); |
| 4444 | 1190 continue; /* reading the end of the range */ |
| 1191 } | |
| 1192 | |
| 1193 /* Now handle simple and escaped characters. | |
| 1194 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
| 1195 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
| 1196 * 'cpoptions' is not included. | |
| 1197 * Posix doesn't recognize backslash at all. | |
| 1198 */ | |
| 1199 if (*regparse == '\\' | |
| 1200 && !cpo_bsl | |
| 1201 && regparse + 1 <= endp | |
| 1202 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
| 1203 || (!cpo_lit | |
| 1204 && vim_strchr(REGEXP_ABBR, regparse[1]) | |
| 1205 != NULL) | |
| 1206 ) | |
| 1207 ) | |
| 1208 { | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1209 mb_ptr_adv(regparse); |
| 4444 | 1210 |
|
4507
9dbbddb2ed10
updated for version 7.3.1001
Bram Moolenaar <bram@vim.org>
parents:
4503
diff
changeset
|
1211 if (*regparse == 'n') |
| 4444 | 1212 startc = reg_string ? NL : NFA_NEWL; |
| 1213 else | |
| 1214 if (*regparse == 'd' | |
| 1215 || *regparse == 'o' | |
| 1216 || *regparse == 'x' | |
| 1217 || *regparse == 'u' | |
| 1218 || *regparse == 'U' | |
| 1219 ) | |
| 1220 { | |
| 1221 /* TODO(RE) This needs more testing */ | |
| 1222 startc = coll_get_char(); | |
| 1223 got_coll_char = TRUE; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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4571
diff
changeset
|
1224 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1225 } |
| 1226 else | |
| 1227 { | |
| 1228 /* \r,\t,\e,\b */ | |
| 1229 startc = backslash_trans(*regparse); | |
| 1230 } | |
| 1231 } | |
| 1232 | |
| 1233 /* Normal printable char */ | |
| 1234 if (startc == -1) | |
|
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updated for version 7.3.1086
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parents:
4675
diff
changeset
|
1235 startc = PTR2CHAR(regparse); |
| 4444 | 1236 |
| 1237 /* Previous char was '-', so this char is end of range. */ | |
| 1238 if (emit_range) | |
| 1239 { | |
|
4677
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4675
diff
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|
1240 endc = startc; |
|
c1622ff9ed8d
updated for version 7.3.1086
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4675
diff
changeset
|
1241 startc = oldstartc; |
| 4444 | 1242 if (startc > endc) |
| 1243 EMSG_RET_FAIL(_(e_invrange)); | |
| 1244 #ifdef FEAT_MBYTE | |
| 1245 if (has_mbyte && ((*mb_char2len)(startc) > 1 | |
| 1246 || (*mb_char2len)(endc) > 1)) | |
| 1247 { | |
| 1248 if (endc > startc + 256) | |
| 1249 EMSG_RET_FAIL(_(e_invrange)); | |
| 1250 /* Emit the range. "startc" was already emitted, so | |
| 1251 * skip it. */ | |
| 1252 for (c = startc + 1; c <= endc; c++) | |
| 1253 { | |
|
4527
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updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
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4525
diff
changeset
|
1254 EMIT(c); |
| 4444 | 1255 TRY_NEG(); |
| 1256 EMIT_GLUE(); | |
| 1257 } | |
| 1258 } | |
| 1259 else | |
| 1260 #endif | |
| 1261 { | |
| 1262 #ifdef EBCDIC | |
| 1263 int alpha_only = FALSE; | |
| 1264 | |
| 1265 /* for alphabetical range skip the gaps | |
| 1266 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
| 1267 if (isalpha(startc) && isalpha(endc)) | |
| 1268 alpha_only = TRUE; | |
| 1269 #endif | |
| 1270 /* Emit the range. "startc" was already emitted, so | |
| 1271 * skip it. */ | |
| 1272 for (c = startc + 1; c <= endc; c++) | |
| 1273 #ifdef EBCDIC | |
| 1274 if (!alpha_only || isalpha(startc)) | |
| 1275 #endif | |
| 1276 { | |
| 1277 EMIT(c); | |
| 1278 TRY_NEG(); | |
| 1279 EMIT_GLUE(); | |
| 1280 } | |
| 1281 } | |
|
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|
1282 emit_range = FALSE; |
|
c1622ff9ed8d
updated for version 7.3.1086
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diff
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|
1283 startc = -1; |
| 4444 | 1284 } |
| 1285 else | |
| 1286 { | |
| 1287 /* | |
| 1288 * This char (startc) is not part of a range. Just | |
| 1289 * emit it. | |
| 1290 * | |
| 1291 * Normally, simply emit startc. But if we get char | |
| 1292 * code=0 from a collating char, then replace it with | |
| 1293 * 0x0a. | |
| 1294 * | |
| 1295 * This is needed to completely mimic the behaviour of | |
| 1296 * the backtracking engine. | |
| 1297 */ | |
| 1298 if (got_coll_char == TRUE && startc == 0) | |
| 1299 EMIT(0x0a); | |
| 1300 else | |
|
4527
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4525
diff
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|
1301 EMIT(startc); |
| 4444 | 1302 TRY_NEG(); |
| 1303 EMIT_GLUE(); | |
| 1304 } | |
| 1305 | |
|
4573
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updated for version 7.3.1034
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parents:
4571
diff
changeset
|
1306 mb_ptr_adv(regparse); |
| 4444 | 1307 } /* while (p < endp) */ |
| 1308 | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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diff
changeset
|
1309 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1310 if (*regparse == '-') /* if last, '-' is just a char */ |
| 1311 { | |
| 1312 EMIT('-'); | |
| 1313 TRY_NEG(); | |
| 1314 EMIT_GLUE(); | |
| 1315 } | |
|
4573
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updated for version 7.3.1034
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4571
diff
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|
1316 mb_ptr_adv(regparse); |
| 4444 | 1317 |
| 1318 /* skip the trailing ] */ | |
| 1319 regparse = endp; | |
|
4573
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updated for version 7.3.1034
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parents:
4571
diff
changeset
|
1320 mb_ptr_adv(regparse); |
| 4444 | 1321 if (negated == TRUE) |
| 1322 { | |
| 1323 /* Mark end of negated char range */ | |
| 1324 EMIT(NFA_END_NEG_RANGE); | |
| 1325 EMIT(NFA_CONCAT); | |
| 1326 } | |
|
4615
5679b8ddd8cc
updated for version 7.3.1055
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parents:
4583
diff
changeset
|
1327 |
|
5679b8ddd8cc
updated for version 7.3.1055
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parents:
4583
diff
changeset
|
1328 /* \_[] also matches \n but it's not negated */ |
|
5679b8ddd8cc
updated for version 7.3.1055
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parents:
4583
diff
changeset
|
1329 if (extra == ADD_NL) |
|
5679b8ddd8cc
updated for version 7.3.1055
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4583
diff
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|
1330 { |
|
5679b8ddd8cc
updated for version 7.3.1055
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parents:
4583
diff
changeset
|
1331 EMIT(reg_string ? NL : NFA_NEWL); |
|
5679b8ddd8cc
updated for version 7.3.1055
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parents:
4583
diff
changeset
|
1332 EMIT(NFA_OR); |
|
5679b8ddd8cc
updated for version 7.3.1055
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parents:
4583
diff
changeset
|
1333 } |
|
5679b8ddd8cc
updated for version 7.3.1055
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4583
diff
changeset
|
1334 |
| 4444 | 1335 return OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1336 } /* if exists closing ] */ |
|
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
changeset
|
1337 |
|
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
changeset
|
1338 if (reg_strict) |
| 4444 | 1339 { |
| 1340 syntax_error = TRUE; | |
| 1341 EMSG_RET_FAIL(_(e_missingbracket)); | |
| 1342 } | |
|
4529
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updated for version 7.3.1012
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parents:
4527
diff
changeset
|
1343 /* FALLTHROUGH */ |
|
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
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|
1344 |
| 4444 | 1345 default: |
| 1346 { | |
| 1347 #ifdef FEAT_MBYTE | |
| 1348 int plen; | |
| 1349 | |
| 1350 nfa_do_multibyte: | |
|
4543
08ac46980953
updated for version 7.3.1019
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parents:
4541
diff
changeset
|
1351 /* plen is length of current char with composing chars */ |
|
08ac46980953
updated for version 7.3.1019
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4541
diff
changeset
|
1352 if (enc_utf8 && ((*mb_char2len)(c) |
|
08ac46980953
updated for version 7.3.1019
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parents:
4541
diff
changeset
|
1353 != (plen = (*mb_ptr2len)(old_regparse)) |
|
08ac46980953
updated for version 7.3.1019
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parents:
4541
diff
changeset
|
1354 || utf_iscomposing(c))) |
| 4444 | 1355 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1356 int i = 0; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1357 |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
1358 /* A base character plus composing characters, or just one |
|
45f97c349537
updated for version 7.3.1015
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4533
diff
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|
1359 * or more composing characters. |
|
4527
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updated for version 7.3.1011
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4525
diff
changeset
|
1360 * This requires creating a separate atom as if enclosing |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1361 * the characters in (), where NFA_COMPOSING is the ( and |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1362 * NFA_END_COMPOSING is the ). Note that right now we are |
| 4444 | 1363 * building the postfix form, not the NFA itself; |
| 1364 * a composing char could be: a, b, c, NFA_COMPOSING | |
|
4527
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diff
changeset
|
1365 * where 'b' and 'c' are chars with codes > 256. */ |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
changeset
|
1366 for (;;) |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
changeset
|
1367 { |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
changeset
|
1368 EMIT(c); |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
changeset
|
1369 if (i > 0) |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
changeset
|
1370 EMIT(NFA_CONCAT); |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1371 if ((i += utf_char2len(c)) >= plen) |
|
4527
55bcaa1d2749
updated for version 7.3.1011
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diff
changeset
|
1372 break; |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
changeset
|
1373 c = utf_ptr2char(old_regparse + i); |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
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|
1374 } |
|
55bcaa1d2749
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parents:
4525
diff
changeset
|
1375 EMIT(NFA_COMPOSING); |
| 4444 | 1376 regparse = old_regparse + plen; |
| 1377 } | |
| 1378 else | |
| 1379 #endif | |
| 1380 { | |
| 1381 c = no_Magic(c); | |
| 1382 EMIT(c); | |
| 1383 } | |
| 1384 return OK; | |
| 1385 } | |
| 1386 } | |
| 1387 | |
| 1388 #undef TRY_NEG | |
| 1389 #undef EMIT_GLUE | |
| 1390 | |
| 1391 return OK; | |
| 1392 } | |
| 1393 | |
| 1394 /* | |
| 1395 * Parse something followed by possible [*+=]. | |
| 1396 * | |
| 1397 * A piece is an atom, possibly followed by a multi, an indication of how many | |
| 1398 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
| 1399 * characters: "", "a", "aa", etc. | |
| 1400 * | |
| 1401 * piece ::= atom | |
| 1402 * or atom multi | |
| 1403 */ | |
| 1404 static int | |
| 1405 nfa_regpiece() | |
| 1406 { | |
| 1407 int i; | |
| 1408 int op; | |
| 1409 int ret; | |
| 1410 long minval, maxval; | |
| 1411 int greedy = TRUE; /* Braces are prefixed with '-' ? */ | |
|
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updated for version 7.3.1087
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diff
changeset
|
1412 parse_state_T old_state; |
|
4d92b873acef
updated for version 7.3.1087
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4677
diff
changeset
|
1413 parse_state_T new_state; |
| 4444 | 1414 int c2; |
|
4651
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
1415 int old_post_pos; |
|
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
1416 int my_post_start; |
| 4444 | 1417 int quest; |
| 1418 | |
|
4679
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updated for version 7.3.1087
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diff
changeset
|
1419 /* 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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diff
changeset
|
1420 * next. */ |
|
4d92b873acef
updated for version 7.3.1087
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diff
changeset
|
1421 save_parse_state(&old_state); |
|
4d92b873acef
updated for version 7.3.1087
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4677
diff
changeset
|
1422 |
| 4444 | 1423 /* store current pos in the postfix form, for \{m,n} involving 0s */ |
|
4651
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
1424 my_post_start = (int)(post_ptr - post_start); |
| 4444 | 1425 |
| 1426 ret = nfa_regatom(); | |
| 1427 if (ret == FAIL) | |
| 1428 return FAIL; /* cascaded error */ | |
| 1429 | |
| 1430 op = peekchr(); | |
| 1431 if (re_multi_type(op) == NOT_MULTI) | |
| 1432 return OK; | |
| 1433 | |
| 1434 skipchr(); | |
| 1435 switch (op) | |
| 1436 { | |
| 1437 case Magic('*'): | |
| 1438 EMIT(NFA_STAR); | |
| 1439 break; | |
| 1440 | |
| 1441 case Magic('+'): | |
| 1442 /* | |
| 1443 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
| 1444 * first and only submatch would be "aaa". But the backtracking | |
| 1445 * engine interprets the plus as "try matching one more time", and | |
| 1446 * a* matches a second time at the end of the input, the empty | |
| 1447 * string. | |
| 1448 * The submatch will the empty string. | |
| 1449 * | |
|
4673
05d57d7c2d55
updated for version 7.3.1084
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parents:
4671
diff
changeset
|
1450 * In order to be consistent with the old engine, we replace |
|
05d57d7c2d55
updated for version 7.3.1084
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parents:
4671
diff
changeset
|
1451 * <atom>+ with <atom><atom>* |
| 4444 | 1452 */ |
|
4679
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1453 restore_parse_state(&old_state); |
| 4444 | 1454 curchr = -1; |
| 1455 if (nfa_regatom() == FAIL) | |
| 1456 return FAIL; | |
| 1457 EMIT(NFA_STAR); | |
| 1458 EMIT(NFA_CONCAT); | |
| 1459 skipchr(); /* skip the \+ */ | |
| 1460 break; | |
| 1461 | |
| 1462 case Magic('@'): | |
|
4682
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1463 c2 = getdecchrs(); |
| 4444 | 1464 op = no_Magic(getchr()); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1465 i = 0; |
| 4444 | 1466 switch(op) |
| 1467 { | |
| 1468 case '=': | |
|
4682
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1469 /* \@= */ |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1470 i = NFA_PREV_ATOM_NO_WIDTH; |
| 4444 | 1471 break; |
|
4661
0dce3d812e7a
updated for version 7.3.1078
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parents:
4657
diff
changeset
|
1472 case '!': |
|
4682
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1473 /* \@! */ |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1474 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
1475 break; |
| 4444 | 1476 case '<': |
|
4682
2f51ee8825db
updated for version 7.3.1088
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diff
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|
1477 op = no_Magic(getchr()); |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1478 if (op == '=') |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1479 /* \@<= */ |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
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4679
diff
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|
1480 i = NFA_PREV_ATOM_JUST_BEFORE; |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1481 else if (op == '!') |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1482 /* \@<! */ |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1483 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1484 break; |
| 4444 | 1485 case '>': |
|
4682
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
1486 /* \@> Not supported yet */ |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1487 /* i = NFA_PREV_ATOM_LIKE_PATTERN; */ |
| 4444 | 1488 return FAIL; |
| 1489 } | |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
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4679
diff
changeset
|
1490 if (i == 0) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1491 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
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4679
diff
changeset
|
1492 syntax_error = TRUE; |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1493 EMSGN(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
|
2f51ee8825db
updated for version 7.3.1088
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diff
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|
1494 return FAIL; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
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diff
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|
1495 } |
|
2f51ee8825db
updated for version 7.3.1088
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|
1496 EMIT(i); |
|
2f51ee8825db
updated for version 7.3.1088
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diff
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|
1497 if (i == NFA_PREV_ATOM_JUST_BEFORE |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1498 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
|
2f51ee8825db
updated for version 7.3.1088
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diff
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|
1499 EMIT(c2); |
| 4444 | 1500 break; |
| 1501 | |
| 1502 case Magic('?'): | |
| 1503 case Magic('='): | |
| 1504 EMIT(NFA_QUEST); | |
| 1505 break; | |
| 1506 | |
| 1507 case Magic('{'): | |
| 1508 /* a{2,5} will expand to 'aaa?a?a?' | |
| 1509 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy | |
| 1510 * version of '?' | |
| 1511 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the | |
| 1512 * parenthesis have the same id | |
| 1513 */ | |
| 1514 | |
| 1515 greedy = TRUE; | |
| 1516 c2 = peekchr(); | |
| 1517 if (c2 == '-' || c2 == Magic('-')) | |
| 1518 { | |
| 1519 skipchr(); | |
| 1520 greedy = FALSE; | |
| 1521 } | |
| 1522 if (!read_limits(&minval, &maxval)) | |
| 1523 { | |
| 1524 syntax_error = TRUE; | |
| 1525 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
| 1526 } | |
| 1527 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to | |
| 1528 * <atom>* */ | |
|
4675
811a4c9b51d8
updated for version 7.3.1085
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4673
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|
1529 if (minval == 0 && maxval == MAX_LIMIT) |
| 4444 | 1530 { |
|
4675
811a4c9b51d8
updated for version 7.3.1085
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|
1531 if (greedy) |
|
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updated for version 7.3.1085
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|
1532 /* \{}, \{0,} */ |
|
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updated for version 7.3.1085
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|
1533 EMIT(NFA_STAR); |
|
811a4c9b51d8
updated for version 7.3.1085
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|
1534 else |
|
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updated for version 7.3.1085
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|
1535 /* \{-}, \{-0,} */ |
|
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updated for version 7.3.1085
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|
1536 EMIT(NFA_STAR_NONGREEDY); |
| 4444 | 1537 break; |
| 1538 } | |
| 1539 | |
| 1540 /* Special case: x{0} or x{-0} */ | |
| 1541 if (maxval == 0) | |
| 1542 { | |
| 1543 /* Ignore result of previous call to nfa_regatom() */ | |
|
4651
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changeset
|
1544 post_ptr = post_start + my_post_start; |
| 4444 | 1545 /* NFA_SKIP_CHAR has 0-length and works everywhere */ |
| 1546 EMIT(NFA_SKIP_CHAR); | |
| 1547 return OK; | |
| 1548 } | |
| 1549 | |
| 1550 /* Ignore previous call to nfa_regatom() */ | |
|
4651
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diff
changeset
|
1551 post_ptr = post_start + my_post_start; |
|
4679
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updated for version 7.3.1087
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4677
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changeset
|
1552 /* Save parse state after the repeated atom and the \{} */ |
|
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updated for version 7.3.1087
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changeset
|
1553 save_parse_state(&new_state); |
| 4444 | 1554 |
| 1555 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
| 1556 for (i = 0; i < maxval; i++) | |
| 1557 { | |
| 1558 /* Goto beginning of the repeated atom */ | |
|
4679
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|
1559 restore_parse_state(&old_state); |
|
4651
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updated for version 7.3.1073
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diff
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|
1560 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1561 if (nfa_regatom() == FAIL) |
| 1562 return FAIL; | |
| 1563 /* after "minval" times, atoms are optional */ | |
| 1564 if (i + 1 > minval) | |
|
4673
05d57d7c2d55
updated for version 7.3.1084
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|
1565 { |
|
05d57d7c2d55
updated for version 7.3.1084
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changeset
|
1566 if (maxval == MAX_LIMIT) |
|
4675
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updated for version 7.3.1085
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|
1567 { |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
changeset
|
1568 if (greedy) |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
changeset
|
1569 EMIT(NFA_STAR); |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
1570 else |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
changeset
|
1571 EMIT(NFA_STAR_NONGREEDY); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
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4673
diff
changeset
|
1572 } |
|
4673
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
1573 else |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
1574 EMIT(quest); |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
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4671
diff
changeset
|
1575 } |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
1576 if (old_post_pos != my_post_start) |
| 4444 | 1577 EMIT(NFA_CONCAT); |
|
4673
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
1578 if (i + 1 > minval && maxval == MAX_LIMIT) |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
1579 break; |
| 4444 | 1580 } |
| 1581 | |
| 1582 /* Go to just after the repeated atom and the \{} */ | |
|
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
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4677
diff
changeset
|
1583 restore_parse_state(&new_state); |
| 4444 | 1584 curchr = -1; |
| 1585 | |
| 1586 break; | |
| 1587 | |
| 1588 | |
| 1589 default: | |
| 1590 break; | |
| 1591 } /* end switch */ | |
| 1592 | |
| 1593 if (re_multi_type(peekchr()) != NOT_MULTI) | |
| 1594 { | |
| 1595 /* Can't have a multi follow a multi. */ | |
| 1596 syntax_error = TRUE; | |
| 1597 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi !")); | |
| 1598 } | |
| 1599 | |
| 1600 return OK; | |
| 1601 } | |
| 1602 | |
| 1603 /* | |
| 1604 * Parse one or more pieces, concatenated. It matches a match for the | |
| 1605 * first piece, followed by a match for the second piece, etc. Example: | |
| 1606 * "f[0-9]b", first matches "f", then a digit and then "b". | |
| 1607 * | |
| 1608 * concat ::= piece | |
| 1609 * or piece piece | |
| 1610 * or piece piece piece | |
| 1611 * etc. | |
| 1612 */ | |
| 1613 static int | |
| 1614 nfa_regconcat() | |
| 1615 { | |
| 1616 int cont = TRUE; | |
| 1617 int first = TRUE; | |
| 1618 | |
| 1619 while (cont) | |
| 1620 { | |
| 1621 switch (peekchr()) | |
| 1622 { | |
| 1623 case NUL: | |
| 1624 case Magic('|'): | |
| 1625 case Magic('&'): | |
| 1626 case Magic(')'): | |
| 1627 cont = FALSE; | |
| 1628 break; | |
| 1629 | |
| 1630 case Magic('Z'): | |
| 1631 #ifdef FEAT_MBYTE | |
| 1632 regflags |= RF_ICOMBINE; | |
| 1633 #endif | |
| 1634 skipchr_keepstart(); | |
| 1635 break; | |
| 1636 case Magic('c'): | |
| 1637 regflags |= RF_ICASE; | |
| 1638 skipchr_keepstart(); | |
| 1639 break; | |
| 1640 case Magic('C'): | |
| 1641 regflags |= RF_NOICASE; | |
| 1642 skipchr_keepstart(); | |
| 1643 break; | |
| 1644 case Magic('v'): | |
| 1645 reg_magic = MAGIC_ALL; | |
| 1646 skipchr_keepstart(); | |
| 1647 curchr = -1; | |
| 1648 break; | |
| 1649 case Magic('m'): | |
| 1650 reg_magic = MAGIC_ON; | |
| 1651 skipchr_keepstart(); | |
| 1652 curchr = -1; | |
| 1653 break; | |
| 1654 case Magic('M'): | |
| 1655 reg_magic = MAGIC_OFF; | |
| 1656 skipchr_keepstart(); | |
| 1657 curchr = -1; | |
| 1658 break; | |
| 1659 case Magic('V'): | |
| 1660 reg_magic = MAGIC_NONE; | |
| 1661 skipchr_keepstart(); | |
| 1662 curchr = -1; | |
| 1663 break; | |
| 1664 | |
| 1665 default: | |
| 1666 if (nfa_regpiece() == FAIL) | |
| 1667 return FAIL; | |
| 1668 if (first == FALSE) | |
| 1669 EMIT(NFA_CONCAT); | |
| 1670 else | |
| 1671 first = FALSE; | |
| 1672 break; | |
| 1673 } | |
| 1674 } | |
| 1675 | |
| 1676 return OK; | |
| 1677 } | |
| 1678 | |
| 1679 /* | |
| 1680 * Parse a branch, one or more concats, separated by "\&". It matches the | |
| 1681 * last concat, but only if all the preceding concats also match at the same | |
| 1682 * position. Examples: | |
| 1683 * "foobeep\&..." matches "foo" in "foobeep". | |
| 1684 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
| 1685 * | |
| 1686 * branch ::= concat | |
| 1687 * or concat \& concat | |
| 1688 * or concat \& concat \& concat | |
| 1689 * etc. | |
| 1690 */ | |
| 1691 static int | |
| 1692 nfa_regbranch() | |
| 1693 { | |
| 1694 int ch; | |
|
4651
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diff
changeset
|
1695 int old_post_pos; |
|
f10f63aaec5c
updated for version 7.3.1073
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|
1696 |
|
f10f63aaec5c
updated for version 7.3.1073
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diff
changeset
|
1697 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1698 |
| 1699 /* First branch, possibly the only one */ | |
| 1700 if (nfa_regconcat() == FAIL) | |
| 1701 return FAIL; | |
| 1702 | |
| 1703 ch = peekchr(); | |
| 1704 /* Try next concats */ | |
| 1705 while (ch == Magic('&')) | |
| 1706 { | |
| 1707 skipchr(); | |
| 1708 EMIT(NFA_NOPEN); | |
| 1709 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
|
4651
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updated for version 7.3.1073
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diff
changeset
|
1710 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1711 if (nfa_regconcat() == FAIL) |
| 1712 return FAIL; | |
| 1713 /* if concat is empty, skip a input char. But do emit a node */ | |
|
4651
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diff
changeset
|
1714 if (old_post_pos == (int)(post_ptr - post_start)) |
| 4444 | 1715 EMIT(NFA_SKIP_CHAR); |
| 1716 EMIT(NFA_CONCAT); | |
| 1717 ch = peekchr(); | |
| 1718 } | |
| 1719 | |
| 1720 /* 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
changeset
|
1721 if (old_post_pos == (int)(post_ptr - post_start)) |
| 4444 | 1722 EMIT(NFA_SKIP_CHAR); |
| 1723 | |
| 1724 return OK; | |
| 1725 } | |
| 1726 | |
| 1727 /* | |
| 1728 * Parse a pattern, one or more branches, separated by "\|". It matches | |
| 1729 * anything that matches one of the branches. Example: "foo\|beep" matches | |
| 1730 * "foo" and matches "beep". If more than one branch matches, the first one | |
| 1731 * is used. | |
| 1732 * | |
| 1733 * pattern ::= branch | |
| 1734 * or branch \| branch | |
| 1735 * or branch \| branch \| branch | |
| 1736 * etc. | |
| 1737 */ | |
| 1738 static int | |
| 1739 nfa_reg(paren) | |
| 1740 int paren; /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ | |
| 1741 { | |
| 1742 int parno = 0; | |
| 1743 | |
| 1744 if (paren == REG_PAREN) | |
| 1745 { | |
| 1746 if (regnpar >= NSUBEXP) /* Too many `(' */ | |
| 1747 { | |
| 1748 syntax_error = TRUE; | |
| 1749 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); | |
| 1750 } | |
| 1751 parno = regnpar++; | |
| 1752 } | |
|
4686
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updated for version 7.3.1090
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diff
changeset
|
1753 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1754 else if (paren == REG_ZPAREN) |
|
8db697ae406a
updated for version 7.3.1090
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diff
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|
1755 { |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1756 /* Make a ZOPEN node. */ |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1757 if (regnzpar >= NSUBEXP) |
|
8db697ae406a
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diff
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|
1758 { |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1759 syntax_error = TRUE; |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1760 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
|
8db697ae406a
updated for version 7.3.1090
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diff
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|
1761 } |
|
8db697ae406a
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diff
changeset
|
1762 parno = regnzpar++; |
|
8db697ae406a
updated for version 7.3.1090
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diff
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|
1763 } |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
1764 #endif |
| 4444 | 1765 |
| 1766 if (nfa_regbranch() == FAIL) | |
| 1767 return FAIL; /* cascaded error */ | |
| 1768 | |
| 1769 while (peekchr() == Magic('|')) | |
| 1770 { | |
| 1771 skipchr(); | |
| 1772 if (nfa_regbranch() == FAIL) | |
| 1773 return FAIL; /* cascaded error */ | |
| 1774 EMIT(NFA_OR); | |
| 1775 } | |
| 1776 | |
| 1777 /* Check for proper termination. */ | |
| 1778 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
| 1779 { | |
| 1780 syntax_error = TRUE; | |
| 1781 if (paren == REG_NPAREN) | |
| 1782 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
| 1783 else | |
| 1784 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
| 1785 } | |
| 1786 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
| 1787 { | |
| 1788 syntax_error = TRUE; | |
| 1789 if (peekchr() == Magic(')')) | |
| 1790 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
| 1791 else | |
| 1792 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
| 1793 } | |
| 1794 /* | |
| 1795 * Here we set the flag allowing back references to this set of | |
| 1796 * parentheses. | |
| 1797 */ | |
| 1798 if (paren == REG_PAREN) | |
| 1799 { | |
| 1800 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
| 1801 EMIT(NFA_MOPEN + parno); | |
| 1802 } | |
|
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|
1803 #ifdef FEAT_SYN_HL |
|
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|
1804 else if (paren == REG_ZPAREN) |
|
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|
1805 EMIT(NFA_ZOPEN + parno); |
|
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|
1806 #endif |
| 4444 | 1807 |
| 1808 return OK; | |
| 1809 } | |
| 1810 | |
| 1811 #ifdef DEBUG | |
| 1812 static char_u code[50]; | |
| 1813 | |
| 1814 static void | |
| 1815 nfa_set_code(c) | |
| 1816 int c; | |
| 1817 { | |
| 1818 int addnl = FALSE; | |
| 1819 | |
| 1820 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
| 1821 { | |
| 1822 addnl = TRUE; | |
| 1823 c -= ADD_NL; | |
| 1824 } | |
| 1825 | |
| 1826 STRCPY(code, ""); | |
| 1827 switch (c) | |
| 1828 { | |
| 1829 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
| 1830 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
| 1831 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
| 1832 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
| 1833 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
| 1834 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
| 1835 | |
|
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1836 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
|
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|
1837 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
|
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|
1838 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
|
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|
1839 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
|
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|
1840 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
|
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1841 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
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1842 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
|
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|
1843 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
|
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|
1844 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break; |
|
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1845 #ifdef FEAT_SYN_HL |
|
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|
1846 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
|
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|
1847 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
|
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1848 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
|
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1849 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
|
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1850 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
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1851 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
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1852 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
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1853 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
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1854 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
|
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1855 #endif |
|
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|
1856 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
|
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|
1857 |
| 4444 | 1858 case NFA_PREV_ATOM_NO_WIDTH: |
| 1859 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break; | |
|
4583
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|
1860 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
321cfbef9431
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|
1861 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break; |
|
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|
1862 case NFA_PREV_ATOM_JUST_BEFORE: |
|
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1863 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
|
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1864 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
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|
1865 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE_NEG"); break; |
|
4657
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updated for version 7.3.1076
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|
1866 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
|
93b7ed814bec
updated for version 7.3.1076
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1867 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
| 4444 | 1868 case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break; |
|
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|
1869 case NFA_START_INVISIBLE_BEFORE: |
|
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|
1870 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
| 4444 | 1871 case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break; |
| 1872 | |
| 1873 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
| 1874 case NFA_END_COMPOSING: STRCPY(code, "NFA_END_COMPOSING"); break; | |
| 1875 | |
|
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|
1876 case NFA_MOPEN: |
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|
1877 case NFA_MOPEN1: |
|
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|
1878 case NFA_MOPEN2: |
|
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|
1879 case NFA_MOPEN3: |
|
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|
1880 case NFA_MOPEN4: |
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|
1881 case NFA_MOPEN5: |
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|
1882 case NFA_MOPEN6: |
|
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1883 case NFA_MOPEN7: |
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|
1884 case NFA_MOPEN8: |
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|
1885 case NFA_MOPEN9: |
| 4444 | 1886 STRCPY(code, "NFA_MOPEN(x)"); |
| 1887 code[10] = c - NFA_MOPEN + '0'; | |
| 1888 break; | |
|
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|
1889 case NFA_MCLOSE: |
|
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|
1890 case NFA_MCLOSE1: |
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|
1891 case NFA_MCLOSE2: |
|
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|
1892 case NFA_MCLOSE3: |
|
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|
1893 case NFA_MCLOSE4: |
|
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|
1894 case NFA_MCLOSE5: |
|
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|
1895 case NFA_MCLOSE6: |
|
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|
1896 case NFA_MCLOSE7: |
|
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|
1897 case NFA_MCLOSE8: |
|
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|
1898 case NFA_MCLOSE9: |
| 4444 | 1899 STRCPY(code, "NFA_MCLOSE(x)"); |
| 1900 code[11] = c - NFA_MCLOSE + '0'; | |
| 1901 break; | |
|
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|
1902 #ifdef FEAT_SYN_HL |
|
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|
1903 case NFA_ZOPEN: |
|
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|
1904 case NFA_ZOPEN1: |
|
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1905 case NFA_ZOPEN2: |
|
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|
1906 case NFA_ZOPEN3: |
|
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|
1907 case NFA_ZOPEN4: |
|
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|
1908 case NFA_ZOPEN5: |
|
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|
1909 case NFA_ZOPEN6: |
|
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|
1910 case NFA_ZOPEN7: |
|
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|
1911 case NFA_ZOPEN8: |
|
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|
1912 case NFA_ZOPEN9: |
|
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|
1913 STRCPY(code, "NFA_ZOPEN(x)"); |
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1914 code[10] = c - NFA_ZOPEN + '0'; |
|
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|
1915 break; |
|
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|
1916 case NFA_ZCLOSE: |
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|
1917 case NFA_ZCLOSE1: |
|
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|
1918 case NFA_ZCLOSE2: |
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|
1919 case NFA_ZCLOSE3: |
|
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|
1920 case NFA_ZCLOSE4: |
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|
1921 case NFA_ZCLOSE5: |
|
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|
1922 case NFA_ZCLOSE6: |
|
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|
1923 case NFA_ZCLOSE7: |
|
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|
1924 case NFA_ZCLOSE8: |
|
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|
1925 case NFA_ZCLOSE9: |
|
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|
1926 STRCPY(code, "NFA_ZCLOSE(x)"); |
|
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|
1927 code[11] = c - NFA_ZCLOSE + '0'; |
|
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|
1928 break; |
|
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|
1929 #endif |
| 4444 | 1930 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
| 1931 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
| 1932 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
| 1933 case NFA_BOW: STRCPY(code, "NFA_BOW "); break; | |
|
4671
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updated for version 7.3.1083
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|
1934 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
|
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|
1935 case NFA_BOF: STRCPY(code, "NFA_BOF "); break; |
| 4444 | 1936 case NFA_STAR: STRCPY(code, "NFA_STAR "); break; |
|
4675
811a4c9b51d8
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|
1937 case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break; |
|
811a4c9b51d8
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|
1938 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
|
811a4c9b51d8
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|
1939 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
| 4444 | 1940 case NFA_NOT: STRCPY(code, "NFA_NOT "); break; |
| 1941 case NFA_SKIP_CHAR: STRCPY(code, "NFA_SKIP_CHAR"); break; | |
| 1942 case NFA_OR: STRCPY(code, "NFA_OR"); break; | |
| 1943 case NFA_END_NEG_RANGE: STRCPY(code, "NFA_END_NEG_RANGE"); break; | |
| 1944 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; | |
| 1945 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
| 1946 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
| 1947 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
| 1948 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
| 1949 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
| 1950 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
| 1951 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
| 1952 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
| 1953 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
| 1954 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
| 1955 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
| 1956 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
| 1957 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
| 1958 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
| 1959 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break; | |
| 1960 | |
| 1961 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
| 1962 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
| 1963 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
| 1964 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
| 1965 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
| 1966 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
| 1967 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
| 1968 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
| 1969 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
| 1970 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
| 1971 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
| 1972 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
| 1973 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
| 1974 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
| 1975 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
| 1976 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
| 1977 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
| 1978 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
| 1979 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
| 1980 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
| 1981 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
| 1982 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
| 1983 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
| 1984 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
| 1985 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
| 1986 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
| 1987 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
| 1988 | |
| 1989 default: | |
| 1990 STRCPY(code, "CHAR(x)"); | |
| 1991 code[5] = c; | |
| 1992 } | |
| 1993 | |
| 1994 if (addnl == TRUE) | |
| 1995 STRCAT(code, " + NEWLINE "); | |
| 1996 | |
| 1997 } | |
| 1998 | |
| 1999 #ifdef ENABLE_LOG | |
| 2000 static FILE *log_fd; | |
| 2001 | |
| 2002 /* | |
| 2003 * Print the postfix notation of the current regexp. | |
| 2004 */ | |
| 2005 static void | |
| 2006 nfa_postfix_dump(expr, retval) | |
| 2007 char_u *expr; | |
| 2008 int retval; | |
| 2009 { | |
| 2010 int *p; | |
| 2011 FILE *f; | |
| 2012 | |
|
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2013 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2014 if (f != NULL) |
| 2015 { | |
| 2016 fprintf(f, "\n-------------------------\n"); | |
| 2017 if (retval == FAIL) | |
| 2018 fprintf(f, ">>> NFA engine failed ... \n"); | |
| 2019 else if (retval == OK) | |
| 2020 fprintf(f, ">>> NFA engine succeeded !\n"); | |
| 2021 fprintf(f, "Regexp: \"%s\"\nPostfix notation (char): \"", expr); | |
| 4464 | 2022 for (p = post_start; *p && p < post_end; p++) |
| 4444 | 2023 { |
| 2024 nfa_set_code(*p); | |
| 2025 fprintf(f, "%s, ", code); | |
| 2026 } | |
| 2027 fprintf(f, "\"\nPostfix notation (int): "); | |
| 4464 | 2028 for (p = post_start; *p && p < post_end; p++) |
| 4444 | 2029 fprintf(f, "%d ", *p); |
| 2030 fprintf(f, "\n\n"); | |
| 2031 fclose(f); | |
| 2032 } | |
| 2033 } | |
| 2034 | |
| 2035 /* | |
| 2036 * Print the NFA starting with a root node "state". | |
| 2037 */ | |
| 2038 static void | |
|
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2039 nfa_print_state(debugf, state) |
| 4444 | 2040 FILE *debugf; |
| 2041 nfa_state_T *state; | |
| 2042 { | |
|
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2043 garray_T indent; |
|
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2044 |
|
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2045 ga_init2(&indent, 1, 64); |
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2046 ga_append(&indent, '\0'); |
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2047 nfa_print_state2(debugf, state, &indent); |
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2048 ga_clear(&indent); |
|
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2049 } |
|
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2050 |
|
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2051 static void |
|
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2052 nfa_print_state2(debugf, state, indent) |
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2053 FILE *debugf; |
|
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2054 nfa_state_T *state; |
|
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2055 garray_T *indent; |
|
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2056 { |
|
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2057 char_u *p; |
| 4444 | 2058 |
| 2059 if (state == NULL) | |
| 2060 return; | |
| 2061 | |
| 2062 fprintf(debugf, "(%2d)", abs(state->id)); | |
|
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2063 |
|
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2064 /* Output indent */ |
|
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2065 p = (char_u *)indent->ga_data; |
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2066 if (indent->ga_len >= 3) |
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2067 { |
|
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2068 int last = indent->ga_len - 3; |
|
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2069 char_u save[2]; |
|
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2070 |
|
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2071 STRNCPY(save, &p[last], 2); |
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2072 STRNCPY(&p[last], "+-", 2); |
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2073 fprintf(debugf, " %s", p); |
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2074 STRNCPY(&p[last], save, 2); |
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2075 } |
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2076 else |
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2077 fprintf(debugf, " %s", p); |
| 4444 | 2078 |
| 2079 nfa_set_code(state->c); | |
|
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2080 fprintf(debugf, "%s%s (%d) (id=%d)\n", |
|
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2081 state->negated ? "NOT " : "", code, state->c, abs(state->id)); |
| 4444 | 2082 if (state->id < 0) |
| 2083 return; | |
| 2084 | |
| 2085 state->id = abs(state->id) * -1; | |
|
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2086 |
|
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2087 /* grow indent for state->out */ |
|
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2088 indent->ga_len -= 1; |
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2089 if (state->out1) |
|
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2090 ga_concat(indent, (char_u *)"| "); |
|
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2091 else |
|
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2092 ga_concat(indent, (char_u *)" "); |
|
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2093 ga_append(indent, '\0'); |
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2094 |
|
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2095 nfa_print_state2(debugf, state->out, indent); |
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2096 |
|
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2097 /* replace last part of indent for state->out1 */ |
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2098 indent->ga_len -= 3; |
|
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2099 ga_concat(indent, (char_u *)" "); |
|
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2100 ga_append(indent, '\0'); |
|
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2101 |
|
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2102 nfa_print_state2(debugf, state->out1, indent); |
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2103 |
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2104 /* shrink indent */ |
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2105 indent->ga_len -= 3; |
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|
2106 ga_append(indent, '\0'); |
| 4444 | 2107 } |
| 2108 | |
| 2109 /* | |
| 2110 * Print the NFA state machine. | |
| 2111 */ | |
| 2112 static void | |
| 2113 nfa_dump(prog) | |
| 2114 nfa_regprog_T *prog; | |
| 2115 { | |
|
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2116 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2117 |
| 2118 if (debugf != NULL) | |
| 2119 { | |
|
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2120 nfa_print_state(debugf, prog->start); |
| 4444 | 2121 fclose(debugf); |
| 2122 } | |
| 2123 } | |
| 2124 #endif /* ENABLE_LOG */ | |
| 2125 #endif /* DEBUG */ | |
| 2126 | |
| 2127 /* | |
| 2128 * Parse r.e. @expr and convert it into postfix form. | |
| 2129 * Return the postfix string on success, NULL otherwise. | |
| 2130 */ | |
| 2131 static int * | |
| 2132 re2post() | |
| 2133 { | |
| 2134 if (nfa_reg(REG_NOPAREN) == FAIL) | |
| 2135 return NULL; | |
| 2136 EMIT(NFA_MOPEN); | |
| 2137 return post_start; | |
| 2138 } | |
| 2139 | |
| 2140 /* NB. Some of the code below is inspired by Russ's. */ | |
| 2141 | |
| 2142 /* | |
| 2143 * Represents an NFA state plus zero or one or two arrows exiting. | |
| 2144 * if c == MATCH, no arrows out; matching state. | |
| 2145 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
| 2146 * If c < 256, labeled arrow with character c to out. | |
| 2147 */ | |
| 2148 | |
| 2149 static nfa_state_T *state_ptr; /* points to nfa_prog->state */ | |
| 2150 | |
| 2151 /* | |
| 2152 * Allocate and initialize nfa_state_T. | |
| 2153 */ | |
| 2154 static nfa_state_T * | |
|
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|
2155 alloc_state(c, out, out1) |
| 4444 | 2156 int c; |
| 2157 nfa_state_T *out; | |
| 2158 nfa_state_T *out1; | |
| 2159 { | |
| 2160 nfa_state_T *s; | |
| 2161 | |
| 2162 if (istate >= nstate) | |
| 2163 return NULL; | |
| 2164 | |
| 2165 s = &state_ptr[istate++]; | |
| 2166 | |
| 2167 s->c = c; | |
| 2168 s->out = out; | |
| 2169 s->out1 = out1; | |
| 2170 | |
| 2171 s->id = istate; | |
| 2172 s->lastlist = 0; | |
| 2173 s->negated = FALSE; | |
| 2174 | |
| 2175 return s; | |
| 2176 } | |
| 2177 | |
| 2178 /* | |
| 2179 * A partially built NFA without the matching state filled in. | |
| 2180 * Frag_T.start points at the start state. | |
| 2181 * Frag_T.out is a list of places that need to be set to the | |
| 2182 * next state for this fragment. | |
| 2183 */ | |
|
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2184 |
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2185 /* Since the out pointers in the list are always |
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2186 * uninitialized, we use the pointers themselves |
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2187 * as storage for the Ptrlists. */ |
| 4444 | 2188 typedef union Ptrlist Ptrlist; |
|
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2189 union Ptrlist |
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2190 { |
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2191 Ptrlist *next; |
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2192 nfa_state_T *s; |
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2193 }; |
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2194 |
| 4444 | 2195 struct Frag |
| 2196 { | |
|
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|
2197 nfa_state_T *start; |
| 4444 | 2198 Ptrlist *out; |
| 2199 }; | |
| 2200 typedef struct Frag Frag_T; | |
| 2201 | |
| 2202 static Frag_T frag __ARGS((nfa_state_T *start, Ptrlist *out)); | |
| 2203 static Ptrlist *list1 __ARGS((nfa_state_T **outp)); | |
| 2204 static void patch __ARGS((Ptrlist *l, nfa_state_T *s)); | |
| 2205 static Ptrlist *append __ARGS((Ptrlist *l1, Ptrlist *l2)); | |
| 2206 static void st_push __ARGS((Frag_T s, Frag_T **p, Frag_T *stack_end)); | |
| 2207 static Frag_T st_pop __ARGS((Frag_T **p, Frag_T *stack)); | |
| 2208 | |
| 2209 /* | |
| 4456 | 2210 * Initialize a Frag_T struct and return it. |
| 4444 | 2211 */ |
| 2212 static Frag_T | |
| 2213 frag(start, out) | |
| 2214 nfa_state_T *start; | |
| 2215 Ptrlist *out; | |
| 2216 { | |
| 4456 | 2217 Frag_T n; |
| 2218 | |
| 2219 n.start = start; | |
| 2220 n.out = out; | |
| 4444 | 2221 return n; |
| 2222 } | |
| 2223 | |
| 2224 /* | |
| 2225 * Create singleton list containing just outp. | |
| 2226 */ | |
| 2227 static Ptrlist * | |
| 2228 list1(outp) | |
| 2229 nfa_state_T **outp; | |
| 2230 { | |
| 2231 Ptrlist *l; | |
| 2232 | |
| 2233 l = (Ptrlist *)outp; | |
| 2234 l->next = NULL; | |
| 2235 return l; | |
| 2236 } | |
| 2237 | |
| 2238 /* | |
| 2239 * Patch the list of states at out to point to start. | |
| 2240 */ | |
| 2241 static void | |
| 2242 patch(l, s) | |
| 2243 Ptrlist *l; | |
| 2244 nfa_state_T *s; | |
| 2245 { | |
| 2246 Ptrlist *next; | |
| 2247 | |
| 2248 for (; l; l = next) | |
| 2249 { | |
| 2250 next = l->next; | |
| 2251 l->s = s; | |
| 2252 } | |
| 2253 } | |
| 2254 | |
| 2255 | |
| 2256 /* | |
| 2257 * Join the two lists l1 and l2, returning the combination. | |
| 2258 */ | |
| 2259 static Ptrlist * | |
| 2260 append(l1, l2) | |
| 2261 Ptrlist *l1; | |
| 2262 Ptrlist *l2; | |
| 2263 { | |
| 2264 Ptrlist *oldl1; | |
| 2265 | |
| 2266 oldl1 = l1; | |
| 2267 while (l1->next) | |
| 2268 l1 = l1->next; | |
| 2269 l1->next = l2; | |
| 2270 return oldl1; | |
| 2271 } | |
| 2272 | |
| 2273 /* | |
| 2274 * Stack used for transforming postfix form into NFA. | |
| 2275 */ | |
| 2276 static Frag_T empty; | |
| 2277 | |
| 2278 static void | |
| 2279 st_error(postfix, end, p) | |
|
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diff
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|
2280 int *postfix UNUSED; |
|
1be43c095aff
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4529
diff
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|
2281 int *end UNUSED; |
|
1be43c095aff
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diff
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|
2282 int *p UNUSED; |
| 4444 | 2283 { |
|
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updated for version 7.3.1013
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4529
diff
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|
2284 #ifdef NFA_REGEXP_ERROR_LOG |
| 4444 | 2285 FILE *df; |
| 2286 int *p2; | |
| 2287 | |
|
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4529
diff
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|
2288 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
| 4444 | 2289 if (df) |
| 2290 { | |
| 2291 fprintf(df, "Error popping the stack!\n"); | |
| 2292 #ifdef DEBUG | |
| 2293 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr); | |
| 2294 #endif | |
| 2295 fprintf(df, "Postfix form is: "); | |
| 2296 #ifdef DEBUG | |
| 2297 for (p2 = postfix; p2 < end; p2++) | |
| 2298 { | |
| 2299 nfa_set_code(*p2); | |
| 2300 fprintf(df, "%s, ", code); | |
| 2301 } | |
| 2302 nfa_set_code(*p); | |
| 2303 fprintf(df, "\nCurrent position is: "); | |
| 2304 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2305 { | |
| 2306 nfa_set_code(*p2); | |
| 2307 fprintf(df, "%s, ", code); | |
| 2308 } | |
| 2309 #else | |
| 2310 for (p2 = postfix; p2 < end; p2++) | |
| 2311 { | |
| 2312 fprintf(df, "%d, ", *p2); | |
| 2313 } | |
| 2314 fprintf(df, "\nCurrent position is: "); | |
| 2315 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2316 { | |
| 2317 fprintf(df, "%d, ", *p2); | |
| 2318 } | |
| 2319 #endif | |
| 2320 fprintf(df, "\n--------------------------\n"); | |
| 2321 fclose(df); | |
| 2322 } | |
|
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|
2323 #endif |
| 4444 | 2324 EMSG(_("E874: (NFA) Could not pop the stack !")); |
| 2325 } | |
| 2326 | |
| 2327 /* | |
| 2328 * Push an item onto the stack. | |
| 2329 */ | |
| 2330 static void | |
| 2331 st_push(s, p, stack_end) | |
| 2332 Frag_T s; | |
| 2333 Frag_T **p; | |
| 2334 Frag_T *stack_end; | |
| 2335 { | |
| 2336 Frag_T *stackp = *p; | |
| 2337 | |
| 2338 if (stackp >= stack_end) | |
| 2339 return; | |
| 2340 *stackp = s; | |
| 2341 *p = *p + 1; | |
| 2342 } | |
| 2343 | |
| 2344 /* | |
| 2345 * Pop an item from the stack. | |
| 2346 */ | |
| 2347 static Frag_T | |
| 2348 st_pop(p, stack) | |
| 2349 Frag_T **p; | |
| 2350 Frag_T *stack; | |
| 2351 { | |
| 2352 Frag_T *stackp; | |
| 2353 | |
| 2354 *p = *p - 1; | |
| 2355 stackp = *p; | |
| 2356 if (stackp < stack) | |
| 2357 return empty; | |
| 2358 return **p; | |
| 2359 } | |
| 2360 | |
| 2361 /* | |
| 2362 * Convert a postfix form into its equivalent NFA. | |
| 2363 * Return the NFA start state on success, NULL otherwise. | |
| 2364 */ | |
| 2365 static nfa_state_T * | |
| 2366 post2nfa(postfix, end, nfa_calc_size) | |
| 2367 int *postfix; | |
| 2368 int *end; | |
| 2369 int nfa_calc_size; | |
| 2370 { | |
| 2371 int *p; | |
| 2372 int mopen; | |
| 2373 int mclose; | |
| 2374 Frag_T *stack = NULL; | |
| 2375 Frag_T *stackp = NULL; | |
| 2376 Frag_T *stack_end = NULL; | |
| 2377 Frag_T e1; | |
| 2378 Frag_T e2; | |
| 2379 Frag_T e; | |
| 2380 nfa_state_T *s; | |
| 2381 nfa_state_T *s1; | |
| 2382 nfa_state_T *matchstate; | |
| 4484 | 2383 nfa_state_T *ret = NULL; |
| 4444 | 2384 |
| 2385 if (postfix == NULL) | |
| 2386 return NULL; | |
| 2387 | |
| 4456 | 2388 #define PUSH(s) st_push((s), &stackp, stack_end) |
| 4444 | 2389 #define POP() st_pop(&stackp, stack); \ |
| 2390 if (stackp < stack) \ | |
| 2391 { \ | |
| 2392 st_error(postfix, end, p); \ | |
| 2393 return NULL; \ | |
| 2394 } | |
| 2395 | |
| 2396 if (nfa_calc_size == FALSE) | |
| 2397 { | |
| 2398 /* Allocate space for the stack. Max states on the stack : nstate */ | |
|
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diff
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|
2399 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE); |
| 4444 | 2400 stackp = stack; |
| 4462 | 2401 stack_end = stack + (nstate + 1); |
| 4444 | 2402 } |
| 2403 | |
| 2404 for (p = postfix; p < end; ++p) | |
| 2405 { | |
| 2406 switch (*p) | |
| 2407 { | |
| 2408 case NFA_CONCAT: | |
| 2409 /* Catenation. | |
| 2410 * Pay attention: this operator does not exist | |
| 2411 * in the r.e. itself (it is implicit, really). | |
| 2412 * It is added when r.e. is translated to postfix | |
| 2413 * form in re2post(). | |
| 2414 * | |
| 2415 * No new state added here. */ | |
| 2416 if (nfa_calc_size == TRUE) | |
| 2417 { | |
| 4458 | 2418 /* nstate += 0; */ |
| 4444 | 2419 break; |
| 2420 } | |
| 2421 e2 = POP(); | |
| 2422 e1 = POP(); | |
| 2423 patch(e1.out, e2.start); | |
| 2424 PUSH(frag(e1.start, e2.out)); | |
| 2425 break; | |
| 2426 | |
| 2427 case NFA_NOT: | |
| 2428 /* Negation of a character */ | |
| 2429 if (nfa_calc_size == TRUE) | |
| 2430 { | |
| 4458 | 2431 /* nstate += 0; */ |
| 4444 | 2432 break; |
| 2433 } | |
| 2434 e1 = POP(); | |
| 2435 e1.start->negated = TRUE; | |
|
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|
2436 #ifdef FEAT_MBYTE |
|
4527
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updated for version 7.3.1011
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4525
diff
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|
2437 if (e1.start->c == NFA_COMPOSING) |
| 4444 | 2438 e1.start->out1->negated = TRUE; |
|
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|
2439 #endif |
| 4444 | 2440 PUSH(e1); |
| 2441 break; | |
| 2442 | |
| 2443 case NFA_OR: | |
| 2444 /* Alternation */ | |
| 2445 if (nfa_calc_size == TRUE) | |
| 2446 { | |
| 4458 | 2447 nstate++; |
| 4444 | 2448 break; |
| 2449 } | |
| 2450 e2 = POP(); | |
| 2451 e1 = POP(); | |
|
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|
2452 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
| 4444 | 2453 if (s == NULL) |
| 4484 | 2454 goto theend; |
| 4444 | 2455 PUSH(frag(s, append(e1.out, e2.out))); |
| 2456 break; | |
| 2457 | |
| 2458 case NFA_STAR: | |
|
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|
2459 /* Zero or more, prefer more */ |
| 4444 | 2460 if (nfa_calc_size == TRUE) |
| 2461 { | |
| 4458 | 2462 nstate++; |
| 4444 | 2463 break; |
| 2464 } | |
| 2465 e = POP(); | |
|
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diff
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|
2466 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 2467 if (s == NULL) |
| 4484 | 2468 goto theend; |
| 4444 | 2469 patch(e.out, s); |
| 2470 PUSH(frag(s, list1(&s->out1))); | |
| 2471 break; | |
| 2472 | |
|
4675
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|
2473 case NFA_STAR_NONGREEDY: |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
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|
2474 /* Zero or more, prefer zero */ |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
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|
2475 if (nfa_calc_size == TRUE) |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2476 { |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2477 nstate++; |
|
811a4c9b51d8
updated for version 7.3.1085
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diff
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|
2478 break; |
|
811a4c9b51d8
updated for version 7.3.1085
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|
2479 } |
|
811a4c9b51d8
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|
2480 e = POP(); |
|
4696
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updated for version 7.3.1095
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diff
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|
2481 s = alloc_state(NFA_SPLIT, NULL, e.start); |
|
4675
811a4c9b51d8
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|
2482 if (s == NULL) |
|
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2483 goto theend; |
|
811a4c9b51d8
updated for version 7.3.1085
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|
2484 patch(e.out, s); |
|
811a4c9b51d8
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|
2485 PUSH(frag(s, list1(&s->out))); |
|
811a4c9b51d8
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|
2486 break; |
|
811a4c9b51d8
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diff
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|
2487 |
| 4444 | 2488 case NFA_QUEST: |
| 2489 /* one or zero atoms=> greedy match */ | |
| 2490 if (nfa_calc_size == TRUE) | |
| 2491 { | |
| 4458 | 2492 nstate++; |
| 4444 | 2493 break; |
| 2494 } | |
| 2495 e = POP(); | |
|
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4694
diff
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|
2496 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 2497 if (s == NULL) |
| 4484 | 2498 goto theend; |
| 4444 | 2499 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
| 2500 break; | |
| 2501 | |
| 2502 case NFA_QUEST_NONGREEDY: | |
| 2503 /* zero or one atoms => non-greedy match */ | |
| 2504 if (nfa_calc_size == TRUE) | |
| 2505 { | |
| 4458 | 2506 nstate++; |
| 4444 | 2507 break; |
| 2508 } | |
| 2509 e = POP(); | |
|
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4694
diff
changeset
|
2510 s = alloc_state(NFA_SPLIT, NULL, e.start); |
| 4444 | 2511 if (s == NULL) |
| 4484 | 2512 goto theend; |
| 4444 | 2513 PUSH(frag(s, append(e.out, list1(&s->out)))); |
| 2514 break; | |
| 2515 | |
| 2516 case NFA_SKIP_CHAR: | |
| 2517 /* Symbol of 0-length, Used in a repetition | |
| 2518 * with max/min count of 0 */ | |
| 2519 if (nfa_calc_size == TRUE) | |
| 2520 { | |
| 4458 | 2521 nstate++; |
| 4444 | 2522 break; |
| 2523 } | |
|
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4694
diff
changeset
|
2524 s = alloc_state(NFA_SKIP_CHAR, NULL, NULL); |
| 4444 | 2525 if (s == NULL) |
| 4484 | 2526 goto theend; |
| 4444 | 2527 PUSH(frag(s, list1(&s->out))); |
| 2528 break; | |
| 2529 | |
| 2530 case NFA_PREV_ATOM_NO_WIDTH: | |
|
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0dce3d812e7a
updated for version 7.3.1078
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|
2531 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
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|
2532 case NFA_PREV_ATOM_JUST_BEFORE: |
|
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diff
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|
2533 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
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|
2534 /* The \@= operator: match the preceding atom with zero width. |
|
4661
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|
2535 * The \@! operator: no match for the preceding atom. |
|
4682
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|
2536 * The \@<= operator: match for the preceding atom. |
|
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4679
diff
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|
2537 * The \@<! operator: no match for the preceding atom. |
| 4444 | 2538 * Surrounds the preceding atom with START_INVISIBLE and |
|
4657
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4655
diff
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|
2539 * END_INVISIBLE, similarly to MOPEN. */ |
| 4444 | 2540 |
| 2541 if (nfa_calc_size == TRUE) | |
| 2542 { | |
| 2543 nstate += 2; | |
| 2544 break; | |
| 2545 } | |
| 2546 e = POP(); | |
|
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changeset
|
2547 s1 = alloc_state(NFA_END_INVISIBLE, NULL, NULL); |
| 4444 | 2548 if (s1 == NULL) |
| 4484 | 2549 goto theend; |
| 4444 | 2550 patch(e.out, s1); |
| 2551 | |
|
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ed4e689bbea1
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diff
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|
2552 s = alloc_state(NFA_START_INVISIBLE, e.start, s1); |
| 4444 | 2553 if (s == NULL) |
| 4484 | 2554 goto theend; |
|
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|
2555 if (*p == NFA_PREV_ATOM_NO_WIDTH_NEG |
|
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diff
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|
2556 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
|
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|
2557 { |
|
0dce3d812e7a
updated for version 7.3.1078
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|
2558 s->negated = TRUE; |
|
0dce3d812e7a
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changeset
|
2559 s1->negated = TRUE; |
|
0dce3d812e7a
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|
2560 } |
|
4682
2f51ee8825db
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|
2561 if (*p == NFA_PREV_ATOM_JUST_BEFORE |
|
2f51ee8825db
updated for version 7.3.1088
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|
2562 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
|
2f51ee8825db
updated for version 7.3.1088
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|
2563 { |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
2564 s->val = *++p; /* get the count */ |
|
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
2565 ++s->c; /* NFA_START_INVISIBLE -> NFA_START_INVISIBLE_BEFORE */ |
|
2f51ee8825db
updated for version 7.3.1088
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diff
changeset
|
2566 } |
|
4661
0dce3d812e7a
updated for version 7.3.1078
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4657
diff
changeset
|
2567 |
| 4444 | 2568 PUSH(frag(s, list1(&s1->out))); |
| 2569 break; | |
| 2570 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2571 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2572 case NFA_COMPOSING: /* char with composing char */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2573 #if 0 |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2574 /* TODO */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2575 if (regflags & RF_ICOMBINE) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2576 { |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
2577 /* use the base character only */ |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2578 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2579 #endif |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2580 /* FALLTHROUGH */ |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2581 #endif |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2582 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2583 case NFA_MOPEN: /* \( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2584 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2585 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2586 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2587 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2588 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2589 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2590 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2591 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2592 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2593 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2594 case NFA_ZOPEN: /* \z( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2595 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2596 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2597 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2598 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2599 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2600 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2601 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2602 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2603 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2604 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2605 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */ |
| 4444 | 2606 if (nfa_calc_size == TRUE) |
| 2607 { | |
| 2608 nstate += 2; | |
| 2609 break; | |
| 2610 } | |
| 2611 | |
| 2612 mopen = *p; | |
| 2613 switch (*p) | |
| 2614 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2615 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2616 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2617 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2618 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2619 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2620 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2621 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2622 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2623 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2624 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2625 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2626 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2627 #endif |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2628 #ifdef FEAT_MBYTE |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2629 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
|
2630 #endif |
| 4444 | 2631 default: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2632 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */ |
| 4444 | 2633 mclose = *p + NSUBEXP; |
| 2634 break; | |
| 2635 } | |
| 2636 | |
| 2637 /* Allow "NFA_MOPEN" as a valid postfix representation for | |
| 2638 * the empty regexp "". In this case, the NFA will be | |
| 2639 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows | |
| 2640 * empty groups of parenthesis, and empty mbyte chars */ | |
| 2641 if (stackp == stack) | |
| 2642 { | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2643 s = alloc_state(mopen, NULL, NULL); |
| 4444 | 2644 if (s == NULL) |
| 4484 | 2645 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2646 s1 = alloc_state(mclose, NULL, NULL); |
| 4444 | 2647 if (s1 == NULL) |
| 4484 | 2648 goto theend; |
| 4444 | 2649 patch(list1(&s->out), s1); |
| 2650 PUSH(frag(s, list1(&s1->out))); | |
| 2651 break; | |
| 2652 } | |
| 2653 | |
| 2654 /* At least one node was emitted before NFA_MOPEN, so | |
| 2655 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */ | |
| 2656 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2657 s = alloc_state(mopen, e.start, NULL); /* `(' */ |
| 4444 | 2658 if (s == NULL) |
| 4484 | 2659 goto theend; |
| 4444 | 2660 |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2661 s1 = alloc_state(mclose, NULL, NULL); /* `)' */ |
| 4444 | 2662 if (s1 == NULL) |
| 4484 | 2663 goto theend; |
| 4444 | 2664 patch(e.out, s1); |
| 2665 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2666 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2667 if (mopen == NFA_COMPOSING) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
2668 /* COMPOSING->out1 = END_COMPOSING */ |
| 4444 | 2669 patch(list1(&s->out1), s1); |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2670 #endif |
| 4444 | 2671 |
| 2672 PUSH(frag(s, list1(&s1->out))); | |
| 2673 break; | |
| 2674 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2675 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2676 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2677 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2678 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2679 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2680 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2681 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2682 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2683 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2684 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2685 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2686 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2687 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2688 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2689 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2690 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2691 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2692 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2693 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2694 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2695 if (nfa_calc_size == TRUE) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2696 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2697 nstate += 2; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2698 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2699 } |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2700 s = alloc_state(*p, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2701 if (s == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2702 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2703 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2704 if (s1 == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2705 goto theend; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2706 patch(list1(&s->out), s1); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2707 PUSH(frag(s, list1(&s1->out))); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2708 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2709 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2710 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2711 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2712 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2713 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2714 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2715 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2716 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2717 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2718 case NFA_COL_LT: |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
2719 if (nfa_calc_size == TRUE) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2720 { |
|
321cfbef9431
updated for version 7.3.1039
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parents:
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diff
changeset
|
2721 nstate += 1; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2722 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2723 } |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2724 e1 = POP(); |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
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4694
diff
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|
2725 s = alloc_state(*p, NULL, NULL); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
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diff
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|
2726 if (s == NULL) |
|
321cfbef9431
updated for version 7.3.1039
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parents:
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diff
changeset
|
2727 goto theend; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
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|
2728 s->val = e1.start->c; |
|
321cfbef9431
updated for version 7.3.1039
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parents:
4579
diff
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|
2729 PUSH(frag(s, list1(&s->out))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
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|
2730 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2731 |
| 4444 | 2732 case NFA_ZSTART: |
| 2733 case NFA_ZEND: | |
| 2734 default: | |
| 2735 /* Operands */ | |
| 2736 if (nfa_calc_size == TRUE) | |
| 2737 { | |
| 4458 | 2738 nstate++; |
| 4444 | 2739 break; |
| 2740 } | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2741 s = alloc_state(*p, NULL, NULL); |
| 4444 | 2742 if (s == NULL) |
| 4484 | 2743 goto theend; |
| 4444 | 2744 PUSH(frag(s, list1(&s->out))); |
| 2745 break; | |
| 2746 | |
| 2747 } /* switch(*p) */ | |
| 2748 | |
| 2749 } /* for(p = postfix; *p; ++p) */ | |
| 2750 | |
| 2751 if (nfa_calc_size == TRUE) | |
| 2752 { | |
| 4458 | 2753 nstate++; |
| 4484 | 2754 goto theend; /* Return value when counting size is ignored anyway */ |
| 4444 | 2755 } |
| 2756 | |
| 2757 e = POP(); | |
| 2758 if (stackp != stack) | |
| 2759 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); | |
| 2760 | |
| 2761 if (istate >= nstate) | |
| 2762 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); | |
| 2763 | |
| 2764 matchstate = &state_ptr[istate++]; /* the match state */ | |
| 2765 matchstate->c = NFA_MATCH; | |
| 2766 matchstate->out = matchstate->out1 = NULL; | |
| 2767 | |
| 2768 patch(e.out, matchstate); | |
| 4484 | 2769 ret = e.start; |
| 2770 | |
| 2771 theend: | |
| 2772 vim_free(stack); | |
| 2773 return ret; | |
| 4444 | 2774 |
| 2775 #undef POP1 | |
| 2776 #undef PUSH1 | |
| 2777 #undef POP2 | |
| 2778 #undef PUSH2 | |
| 2779 #undef POP | |
| 2780 #undef PUSH | |
| 2781 } | |
| 2782 | |
| 2783 /**************************************************************** | |
| 2784 * NFA execution code. | |
| 2785 ****************************************************************/ | |
| 2786 | |
|
4563
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updated for version 7.3.1029
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diff
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|
2787 typedef struct |
|
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updated for version 7.3.1029
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|
2788 { |
|
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updated for version 7.3.1029
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diff
changeset
|
2789 int in_use; /* number of subexpr with useful info */ |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
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diff
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|
2790 |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
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|
2791 /* When REG_MULTI is TRUE list.multi is used, otherwise list.line. */ |
|
4563
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updated for version 7.3.1029
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|
2792 union |
|
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diff
changeset
|
2793 { |
|
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updated for version 7.3.1029
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diff
changeset
|
2794 struct multipos |
|
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updated for version 7.3.1029
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diff
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|
2795 { |
|
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updated for version 7.3.1029
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diff
changeset
|
2796 lpos_T start; |
|
e7016af0cbf9
updated for version 7.3.1029
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parents:
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diff
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|
2797 lpos_T end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
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diff
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|
2798 } multi[NSUBEXP]; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
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diff
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|
2799 struct linepos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
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diff
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|
2800 { |
|
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updated for version 7.3.1029
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diff
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|
2801 char_u *start; |
|
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updated for version 7.3.1029
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diff
changeset
|
2802 char_u *end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
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parents:
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diff
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|
2803 } line[NSUBEXP]; |
|
b22bff1a6af8
updated for version 7.3.1036
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parents:
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diff
changeset
|
2804 } list; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
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diff
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|
2805 } regsub_T; |
|
e7016af0cbf9
updated for version 7.3.1029
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parents:
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diff
changeset
|
2806 |
|
4686
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
2807 typedef struct |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
2808 { |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
changeset
|
2809 regsub_T norm; /* \( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
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parents:
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diff
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|
2810 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2811 regsub_T synt; /* \z( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
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diff
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|
2812 #endif |
|
8db697ae406a
updated for version 7.3.1090
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diff
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|
2813 } regsubs_T; |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
2814 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
2815 /* 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
|
2816 typedef struct |
| 4444 | 2817 { |
| 2818 nfa_state_T *state; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2819 int count; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2820 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
|
2821 } nfa_thread_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2822 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
2823 /* nfa_list_T contains the alternative NFA execution states. */ |
| 4444 | 2824 typedef struct |
| 2825 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2826 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
|
2827 int n; /* nr of states currently in "t" */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2828 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
|
2829 int id; /* ID of the list */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
2830 } nfa_list_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2831 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
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4569
diff
changeset
|
2832 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2833 static void log_subsexpr __ARGS((regsubs_T *subs)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2834 static void log_subexpr __ARGS((regsub_T *sub)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
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|
2835 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2836 static void |
|
8db697ae406a
updated for version 7.3.1090
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parents:
4682
diff
changeset
|
2837 log_subsexpr(subs) |
|
8db697ae406a
updated for version 7.3.1090
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parents:
4682
diff
changeset
|
2838 regsubs_T *subs; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
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diff
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|
2839 { |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
2840 log_subexpr(&subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
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4682
diff
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|
2841 # ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
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diff
changeset
|
2842 log_subexpr(&subs->synt); |
|
8db697ae406a
updated for version 7.3.1090
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diff
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|
2843 # endif |
|
8db697ae406a
updated for version 7.3.1090
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diff
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|
2844 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2845 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
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4569
diff
changeset
|
2846 static void |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2847 log_subexpr(sub) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2848 regsub_T *sub; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2849 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
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4569
diff
changeset
|
2850 int j; |
|
b2a8e3a66f8c
updated for version 7.3.1033
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diff
changeset
|
2851 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2852 for (j = 0; j < sub->in_use; j++) |
|
b2a8e3a66f8c
updated for version 7.3.1033
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diff
changeset
|
2853 if (REG_MULTI) |
|
b2a8e3a66f8c
updated for version 7.3.1033
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diff
changeset
|
2854 fprintf(log_fd, "\n *** group %d, start: c=%d, l=%d, end: c=%d, l=%d", |
|
b2a8e3a66f8c
updated for version 7.3.1033
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diff
changeset
|
2855 j, |
|
4577
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updated for version 7.3.1036
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diff
changeset
|
2856 sub->list.multi[j].start.col, |
|
b22bff1a6af8
updated for version 7.3.1036
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4573
diff
changeset
|
2857 (int)sub->list.multi[j].start.lnum, |
|
b22bff1a6af8
updated for version 7.3.1036
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4573
diff
changeset
|
2858 sub->list.multi[j].end.col, |
|
b22bff1a6af8
updated for version 7.3.1036
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4573
diff
changeset
|
2859 (int)sub->list.multi[j].end.lnum); |
|
4571
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updated for version 7.3.1033
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|
2860 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
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4569
diff
changeset
|
2861 fprintf(log_fd, "\n *** group %d, start: \"%s\", end: \"%s\"", |
|
b2a8e3a66f8c
updated for version 7.3.1033
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diff
changeset
|
2862 j, |
|
4577
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updated for version 7.3.1036
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diff
changeset
|
2863 (char *)sub->list.line[j].start, |
|
b22bff1a6af8
updated for version 7.3.1036
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diff
changeset
|
2864 (char *)sub->list.line[j].end); |
|
4571
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changeset
|
2865 fprintf(log_fd, "\n"); |
|
b2a8e3a66f8c
updated for version 7.3.1033
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4569
diff
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|
2866 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
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changeset
|
2867 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
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changeset
|
2868 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
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4559
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changeset
|
2869 /* Used during execution: whether a match has been found. */ |
|
4d81fdda8f35
updated for version 7.3.1028
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4559
diff
changeset
|
2870 static int nfa_match; |
|
4d81fdda8f35
updated for version 7.3.1028
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diff
changeset
|
2871 |
|
4686
8db697ae406a
updated for version 7.3.1090
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changeset
|
2872 static void clear_sub __ARGS((regsub_T *sub)); |
|
8db697ae406a
updated for version 7.3.1090
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changeset
|
2873 static void copy_sub __ARGS((regsub_T *to, regsub_T *from)); |
|
8db697ae406a
updated for version 7.3.1090
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changeset
|
2874 static void copy_sub_off __ARGS((regsub_T *to, regsub_T *from)); |
|
4647
857f6c53f117
updated for version 7.3.1071
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4615
diff
changeset
|
2875 static int sub_equal __ARGS((regsub_T *sub1, regsub_T *sub2)); |
|
4686
8db697ae406a
updated for version 7.3.1090
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changeset
|
2876 static void addstate __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs, int off)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
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changeset
|
2877 static void addstate_here __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs, int *ip)); |
|
8db697ae406a
updated for version 7.3.1090
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changeset
|
2878 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2879 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2880 clear_sub(sub) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2881 regsub_T *sub; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2882 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2883 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2884 /* Use 0xff to set lnum to -1 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2885 vim_memset(sub->list.multi, 0xff, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2886 sizeof(struct multipos) * nfa_nsubexpr); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2887 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2888 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
|
2889 sub->in_use = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2890 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2891 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2892 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2893 * Copy the submatches from "from" to "to". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2894 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2895 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2896 copy_sub(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2897 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2898 regsub_T *from; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2899 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2900 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2901 if (from->in_use > 0) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2902 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2903 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2904 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2905 mch_memmove(&to->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2906 &from->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2907 sizeof(struct multipos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2908 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2909 mch_memmove(&to->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2910 &from->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2911 sizeof(struct linepos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2912 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2913 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2914 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2915 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2916 * Like copy_sub() but exclude the main match. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2917 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2918 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2919 copy_sub_off(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2920 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2921 regsub_T *from; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2922 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2923 if (to->in_use < from->in_use) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2924 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2925 if (from->in_use > 1) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2926 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2927 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2928 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2929 mch_memmove(&to->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2930 &from->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2931 sizeof(struct multipos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2932 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2933 mch_memmove(&to->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2934 &from->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2935 sizeof(struct linepos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2936 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2937 } |
| 4444 | 2938 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2939 /* |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2940 * 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
|
2941 */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2942 static int |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2943 sub_equal(sub1, sub2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2944 regsub_T *sub1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2945 regsub_T *sub2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2946 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2947 int i; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2948 int todo; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2949 linenr_T s1, e1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2950 linenr_T s2, e2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2951 char_u *sp1, *ep1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2952 char_u *sp2, *ep2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2953 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2954 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
|
2955 if (REG_MULTI) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2956 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2957 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2958 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2959 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2960 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2961 s1 = sub1->list.multi[i].start.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2962 e1 = sub1->list.multi[i].end.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2963 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2964 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2965 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2966 s1 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2967 e1 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2968 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2969 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2970 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2971 s2 = sub2->list.multi[i].start.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2972 e2 = sub2->list.multi[i].end.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2973 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2974 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2975 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2976 s2 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2977 e2 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2978 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2979 if (s1 != s2 || e1 != e2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2980 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2981 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
|
2982 != sub2->list.multi[i].start.col) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2983 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2984 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
|
2985 != sub2->list.multi[i].end.col) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2986 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2987 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2988 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2989 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2990 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2991 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2992 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2993 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2994 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2995 sp1 = sub1->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2996 ep1 = sub1->list.line[i].end; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2997 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2998 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
2999 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3000 sp1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3001 ep1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3002 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3003 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3004 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3005 sp2 = sub2->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3006 ep2 = sub2->list.line[i].end; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3007 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3008 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3009 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3010 sp2 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3011 ep2 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3012 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3013 if (sp1 != sp2 || ep1 != ep2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3014 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3015 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3016 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3017 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3018 return TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3019 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3020 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3021 #ifdef ENABLE_LOG |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3022 static void |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3023 report_state(char *action, regsub_T *sub, nfa_state_T *state, int lid); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3024 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3025 int col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3026 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3027 if (sub->in_use <= 0) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3028 col = -1; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3029 else if (REG_MULTI) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3030 col = sub->list.multi[0].start.col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3031 else |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3032 col = (int)(sub->list.line[0].start - regline); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3033 nfa_set_code(state->c); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3034 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
|
3035 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
|
3036 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3037 #endif |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3038 |
| 4444 | 3039 static void |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3040 addstate(l, state, subs, off) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3041 nfa_list_T *l; /* runtime state list */ |
| 4444 | 3042 nfa_state_T *state; /* state to update */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3043 regsubs_T *subs; /* pointers to subexpressions */ |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3044 int off; /* byte offset, when -1 go to next line */ |
| 4444 | 3045 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3046 int subidx; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3047 nfa_thread_T *thread; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3048 lpos_T save_lpos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3049 int save_in_use; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3050 char_u *save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3051 int i; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3052 regsub_T *sub; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3053 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3054 int did_print = FALSE; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3055 #endif |
| 4444 | 3056 |
| 3057 if (l == NULL || state == NULL) | |
| 3058 return; | |
| 3059 | |
| 3060 switch (state->c) | |
| 3061 { | |
| 3062 case NFA_SPLIT: | |
| 3063 case NFA_NOT: | |
| 3064 case NFA_NOPEN: | |
| 3065 case NFA_NCLOSE: | |
| 3066 case NFA_MCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3067 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3068 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3069 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3070 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3071 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3072 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3073 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3074 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3075 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3076 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3077 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3078 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3079 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3080 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3081 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3082 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3083 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3084 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3085 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3086 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3087 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3088 /* 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
|
3089 * "out1" may be added below. */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3090 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3091 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3092 case NFA_MOPEN: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3093 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3094 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3095 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3096 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3097 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3098 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3099 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3100 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3101 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3102 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3103 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3104 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3105 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3106 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3107 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3108 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3109 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3110 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3111 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3112 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3113 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3114 /* 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
|
3115 * when it was tried to be added to this list before. */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3116 if (state->lastlist == l->id) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3117 goto skip_add; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3118 state->lastlist = l->id; |
| 4444 | 3119 break; |
| 3120 | |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3121 case NFA_BOL: |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3122 case NFA_BOF: |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3123 /* "^" 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
|
3124 * 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
|
3125 * match. */ |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3126 if (reginput > regline |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3127 && (nfa_endp == NULL |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3128 || !REG_MULTI |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3129 || reglnum == nfa_endp->se_u.pos.lnum)) |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3130 goto skip_add; |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3131 /* FALLTHROUGH */ |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3132 |
| 4444 | 3133 default: |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3134 if (state->lastlist == l->id) |
| 4444 | 3135 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3136 /* 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
|
3137 * 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
|
3138 if (!nfa_has_backref) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3139 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3140 skip_add: |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3141 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3142 nfa_set_code(state->c); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3143 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
|
3144 abs(state->id), l->id, state->c, code); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3145 #endif |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3146 return; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3147 } |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3148 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3149 /* 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
|
3150 * positions. */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3151 for (i = 0; i < l->n; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3152 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3153 thread = &l->t[i]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3154 if (thread->state->id == state->id |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3155 && sub_equal(&thread->subs.norm, &subs->norm) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3156 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3157 && (!nfa_has_zsubexpr || |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3158 sub_equal(&thread->subs.synt, &subs->synt)) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3159 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3160 ) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3161 goto skip_add; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3162 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3163 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3164 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3165 /* when there are backreferences the number of states may be (a |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3166 * lot) bigger */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3167 if (nfa_has_backref && l->n == l->len) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3168 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3169 int newlen = l->len * 3 / 2 + 50; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3170 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3171 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
|
3172 l->len = newlen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3173 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3174 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3175 /* add the state to the list */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3176 state->lastlist = l->id; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3177 thread = &l->t[l->n++]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3178 thread->state = state; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3179 copy_sub(&thread->subs.norm, &subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3180 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3181 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3182 copy_sub(&thread->subs.synt, &subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3183 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3184 #ifdef ENABLE_LOG |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3185 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
|
3186 did_print = TRUE; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3187 #endif |
| 4444 | 3188 } |
| 3189 | |
| 3190 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3191 if (!did_print) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3192 report_state("Processing", &subs->norm, state, l->id); |
| 4444 | 3193 #endif |
| 3194 switch (state->c) | |
| 3195 { | |
| 3196 case NFA_MATCH: | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3197 nfa_match = TRUE; |
| 4444 | 3198 break; |
| 3199 | |
| 3200 case NFA_SPLIT: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3201 /* order matters here */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3202 addstate(l, state->out, subs, off); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3203 addstate(l, state->out1, subs, off); |
| 4444 | 3204 break; |
| 3205 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3206 case NFA_SKIP_CHAR: |
| 4444 | 3207 case NFA_NOPEN: |
| 3208 case NFA_NCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3209 addstate(l, state->out, subs, off); |
| 4444 | 3210 break; |
| 3211 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3212 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3213 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3214 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3215 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3216 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3217 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3218 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3219 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3220 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3221 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3222 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3223 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3224 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3225 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3226 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3227 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3228 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3229 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3230 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3231 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3232 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3233 #endif |
| 4444 | 3234 case NFA_ZSTART: |
| 3235 if (state->c == NFA_ZSTART) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3236 { |
| 4444 | 3237 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3238 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3239 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3240 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3241 else if (state->c >= NFA_ZOPEN) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3242 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3243 subidx = state->c - NFA_ZOPEN; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3244 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3245 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3246 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3247 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3248 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3249 subidx = state->c - NFA_MOPEN; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3250 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3251 } |
| 4444 | 3252 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3253 /* 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
|
3254 * 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
|
3255 save_ptr = NULL; |
| 4444 | 3256 if (REG_MULTI) |
| 3257 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3258 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3259 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3260 save_lpos = sub->list.multi[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3261 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3262 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3263 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3264 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3265 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3266 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
|
3267 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3268 sub->list.multi[i].start.lnum = -1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3269 sub->list.multi[i].end.lnum = -1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3270 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3271 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3272 } |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3273 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3274 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3275 sub->list.multi[subidx].start.lnum = reglnum + 1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3276 sub->list.multi[subidx].start.col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3277 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3278 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3279 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3280 sub->list.multi[subidx].start.lnum = reglnum; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3281 sub->list.multi[subidx].start.col = |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3282 (colnr_T)(reginput - regline + off); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3283 } |
| 4444 | 3284 } |
| 3285 else | |
| 3286 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3287 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3288 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3289 save_ptr = sub->list.line[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3290 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3291 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3292 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3293 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3294 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3295 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
|
3296 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3297 sub->list.line[i].start = NULL; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3298 sub->list.line[i].end = NULL; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3299 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3300 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3301 } |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3302 sub->list.line[subidx].start = reginput + off; |
| 4444 | 3303 } |
| 3304 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3305 addstate(l, state->out, subs, off); |
| 4444 | 3306 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3307 if (save_in_use == -1) |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3308 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3309 if (REG_MULTI) |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3310 sub->list.multi[subidx].start = save_lpos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3311 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3312 sub->list.line[subidx].start = save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3313 } |
| 4444 | 3314 else |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3315 sub->in_use = save_in_use; |
| 4444 | 3316 break; |
| 3317 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3318 case NFA_MCLOSE: |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
3319 if (nfa_has_zend) |
| 4444 | 3320 { |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
3321 /* 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
|
3322 * 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
|
3323 addstate(l, state->out, subs, off); |
| 4444 | 3324 break; |
| 3325 } | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3326 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3327 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3328 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3329 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3330 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3331 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3332 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3333 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3334 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3335 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3336 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3337 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3338 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3339 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3340 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3341 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3342 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3343 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3344 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3345 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3346 #endif |
| 4444 | 3347 case NFA_ZEND: |
| 3348 if (state->c == NFA_ZEND) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3349 { |
| 4444 | 3350 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3351 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3352 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3353 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3354 else if (state->c >= NFA_ZCLOSE) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3355 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3356 subidx = state->c - NFA_ZCLOSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3357 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3358 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3359 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3360 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3361 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3362 subidx = state->c - NFA_MCLOSE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3363 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3364 } |
| 4444 | 3365 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3366 /* 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
|
3367 * has done that. */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3368 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3369 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3370 sub->in_use = subidx + 1; |
| 4444 | 3371 if (REG_MULTI) |
| 3372 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3373 save_lpos = sub->list.multi[subidx].end; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3374 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3375 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3376 sub->list.multi[subidx].end.lnum = reglnum + 1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3377 sub->list.multi[subidx].end.col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3378 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3379 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3380 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3381 sub->list.multi[subidx].end.lnum = reglnum; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3382 sub->list.multi[subidx].end.col = |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3383 (colnr_T)(reginput - regline + off); |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3384 } |
| 4444 | 3385 } |
| 3386 else | |
| 3387 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3388 save_ptr = sub->list.line[subidx].end; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3389 sub->list.line[subidx].end = reginput + off; |
| 4444 | 3390 } |
| 3391 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3392 addstate(l, state->out, subs, off); |
| 4444 | 3393 |
| 3394 if (REG_MULTI) | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3395 sub->list.multi[subidx].end = save_lpos; |
| 4444 | 3396 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3397 sub->list.line[subidx].end = save_ptr; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3398 sub->in_use = save_in_use; |
| 4444 | 3399 break; |
| 3400 } | |
| 3401 } | |
| 3402 | |
| 3403 /* | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3404 * 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
|
3405 * 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
|
3406 * 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
|
3407 * matters for alternatives. |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3408 */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3409 static void |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3410 addstate_here(l, state, subs, ip) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3411 nfa_list_T *l; /* runtime state list */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3412 nfa_state_T *state; /* state to update */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3413 regsubs_T *subs; /* pointers to subexpressions */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3414 int *ip; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3415 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3416 int tlen = l->n; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3417 int count; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3418 int i = *ip; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3419 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3420 /* 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
|
3421 addstate(l, state, subs, 0); |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3422 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3423 /* when "*ip" was at the end of the list, nothing to do */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3424 if (i + 1 == tlen) |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3425 return; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3426 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3427 /* 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
|
3428 count = l->n - tlen; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3429 if (count == 1) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3430 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3431 /* overwrite the current state */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3432 l->t[i] = l->t[l->n - 1]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3433 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3434 else if (count > 1) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3435 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3436 /* 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
|
3437 * end to the current position */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3438 mch_memmove(&(l->t[i + count]), |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3439 &(l->t[i + 1]), |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3440 sizeof(nfa_thread_T) * (l->n - i - 1)); |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3441 mch_memmove(&(l->t[i]), |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3442 &(l->t[l->n - 1]), |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3443 sizeof(nfa_thread_T) * count); |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3444 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3445 --l->n; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3446 *ip = i - 1; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3447 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3448 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3449 /* |
| 4444 | 3450 * Check character class "class" against current character c. |
| 3451 */ | |
| 3452 static int | |
| 3453 check_char_class(class, c) | |
| 3454 int class; | |
| 3455 int c; | |
| 3456 { | |
| 3457 switch (class) | |
| 3458 { | |
| 3459 case NFA_CLASS_ALNUM: | |
| 4464 | 3460 if (c >= 1 && c <= 255 && isalnum(c)) |
| 4444 | 3461 return OK; |
| 3462 break; | |
| 3463 case NFA_CLASS_ALPHA: | |
| 4464 | 3464 if (c >= 1 && c <= 255 && isalpha(c)) |
| 4444 | 3465 return OK; |
| 3466 break; | |
| 3467 case NFA_CLASS_BLANK: | |
| 3468 if (c == ' ' || c == '\t') | |
| 3469 return OK; | |
| 3470 break; | |
| 3471 case NFA_CLASS_CNTRL: | |
| 4464 | 3472 if (c >= 1 && c <= 255 && iscntrl(c)) |
| 4444 | 3473 return OK; |
| 3474 break; | |
| 3475 case NFA_CLASS_DIGIT: | |
| 3476 if (VIM_ISDIGIT(c)) | |
| 3477 return OK; | |
| 3478 break; | |
| 3479 case NFA_CLASS_GRAPH: | |
| 4464 | 3480 if (c >= 1 && c <= 255 && isgraph(c)) |
| 4444 | 3481 return OK; |
| 3482 break; | |
| 3483 case NFA_CLASS_LOWER: | |
| 3484 if (MB_ISLOWER(c)) | |
| 3485 return OK; | |
| 3486 break; | |
| 3487 case NFA_CLASS_PRINT: | |
| 3488 if (vim_isprintc(c)) | |
| 3489 return OK; | |
| 3490 break; | |
| 3491 case NFA_CLASS_PUNCT: | |
| 4464 | 3492 if (c >= 1 && c <= 255 && ispunct(c)) |
| 4444 | 3493 return OK; |
| 3494 break; | |
| 3495 case NFA_CLASS_SPACE: | |
| 3496 if ((c >=9 && c <= 13) || (c == ' ')) | |
| 3497 return OK; | |
| 3498 break; | |
| 3499 case NFA_CLASS_UPPER: | |
| 3500 if (MB_ISUPPER(c)) | |
| 3501 return OK; | |
| 3502 break; | |
| 3503 case NFA_CLASS_XDIGIT: | |
| 3504 if (vim_isxdigit(c)) | |
| 3505 return OK; | |
| 3506 break; | |
| 3507 case NFA_CLASS_TAB: | |
| 3508 if (c == '\t') | |
| 3509 return OK; | |
| 3510 break; | |
| 3511 case NFA_CLASS_RETURN: | |
| 3512 if (c == '\r') | |
| 3513 return OK; | |
| 3514 break; | |
| 3515 case NFA_CLASS_BACKSPACE: | |
| 3516 if (c == '\b') | |
| 3517 return OK; | |
| 3518 break; | |
| 3519 case NFA_CLASS_ESCAPE: | |
| 3520 if (c == '\033') | |
| 3521 return OK; | |
| 3522 break; | |
| 3523 | |
| 3524 default: | |
| 3525 /* should not be here :P */ | |
| 3526 EMSG_RET_FAIL(_("E877: (NFA regexp) Invalid character class ")); | |
| 3527 } | |
| 3528 return FAIL; | |
| 3529 } | |
| 3530 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3531 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
|
3532 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3533 /* |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3534 * Check for a match with subexpression "subidx". |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3535 * Return TRUE if it matches. |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3536 */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3537 static int |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3538 match_backref(sub, subidx, bytelen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3539 regsub_T *sub; /* pointers to subexpressions */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3540 int subidx; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3541 int *bytelen; /* out: length of match in bytes */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3542 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3543 int len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3544 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3545 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3546 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3547 retempty: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3548 /* backref was not set, match an empty string */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3549 *bytelen = 0; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3550 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3551 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3552 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3553 if (REG_MULTI) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3554 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3555 if (sub->list.multi[subidx].start.lnum < 0 |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3556 || sub->list.multi[subidx].end.lnum < 0) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3557 goto retempty; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3558 /* TODO: line breaks */ |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3559 len = sub->list.multi[subidx].end.col |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3560 - sub->list.multi[subidx].start.col; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3561 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
|
3562 reginput, &len) == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3563 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3564 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3565 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3566 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3567 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3568 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3569 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3570 if (sub->list.line[subidx].start == NULL |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3571 || sub->list.line[subidx].end == NULL) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3572 goto retempty; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3573 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
|
3574 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
|
3575 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3576 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3577 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3578 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3579 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3580 return FALSE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3581 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3582 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3583 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3584 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3585 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
|
3586 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3587 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3588 * Check for a match with \z subexpression "subidx". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3589 * Return TRUE if it matches. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3590 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3591 static int |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3592 match_zref(subidx, bytelen) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3593 int subidx; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3594 int *bytelen; /* out: length of match in bytes */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3595 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3596 int len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3597 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3598 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3599 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
|
3600 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3601 /* backref was not set, match an empty string */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3602 *bytelen = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3603 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3604 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3605 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3606 len = (int)STRLEN(re_extmatch_in->matches[subidx]); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3607 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
|
3608 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3609 *bytelen = len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3610 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3611 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3612 return FALSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3613 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3614 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3615 |
| 4444 | 3616 /* |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3617 * 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
|
3618 * Also reset the IDs to zero. |
| 4444 | 3619 */ |
| 3620 static void | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3621 nfa_save_listids(prog, list) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3622 nfa_regprog_T *prog; |
| 4444 | 3623 int *list; |
| 3624 { | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3625 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3626 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3627 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3628 /* 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
|
3629 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3630 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 3631 { |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3632 list[i] = p->lastlist; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3633 p->lastlist = 0; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3634 ++p; |
| 4444 | 3635 } |
| 3636 } | |
| 3637 | |
| 3638 /* | |
| 3639 * Restore list IDs from "list" to all NFA states. | |
| 3640 */ | |
| 3641 static void | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3642 nfa_restore_listids(prog, list) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3643 nfa_regprog_T *prog; |
| 4444 | 3644 int *list; |
| 3645 { | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3646 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3647 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3648 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3649 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3650 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 3651 { |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3652 p->lastlist = list[i]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3653 ++p; |
| 4444 | 3654 } |
| 3655 } | |
| 3656 | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3657 static int |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3658 nfa_re_num_cmp(val, op, pos) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3659 long_u val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3660 int op; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3661 long_u pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3662 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3663 if (op == 1) return pos > val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3664 if (op == 2) return pos < val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3665 return val == pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3666 } |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3667 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3668 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
|
3669 |
| 4444 | 3670 /* |
| 3671 * Main matching routine. | |
| 3672 * | |
| 3673 * Run NFA to determine whether it matches reginput. | |
| 3674 * | |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3675 * 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
|
3676 * |
| 4444 | 3677 * Return TRUE if there is a match, FALSE otherwise. |
| 3678 * Note: Caller must ensure that: start != NULL. | |
| 3679 */ | |
| 3680 static int | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3681 nfa_regmatch(prog, start, submatch, m) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3682 nfa_regprog_T *prog; |
| 4444 | 3683 nfa_state_T *start; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3684 regsubs_T *submatch; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3685 regsubs_T *m; |
| 4444 | 3686 { |
| 3687 int result; | |
| 3688 int size = 0; | |
| 3689 int flag = 0; | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3690 int go_to_nextline = FALSE; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3691 nfa_thread_T *t; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3692 nfa_list_T list[3]; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3693 nfa_list_T *listtbl[2][2]; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3694 nfa_list_T *ll; |
| 4444 | 3695 int listid = 1; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3696 int listidx; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3697 nfa_list_T *thislist; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3698 nfa_list_T *nextlist; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3699 nfa_list_T *neglist; |
| 4444 | 3700 int *listids = NULL; |
| 4460 | 3701 #ifdef NFA_REGEXP_DEBUG_LOG |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3702 FILE *debug = fopen(NFA_REGEXP_DEBUG_LOG, "a"); |
| 4444 | 3703 |
| 3704 if (debug == NULL) | |
| 3705 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3706 EMSG2(_("(NFA) COULD NOT OPEN %s !"), NFA_REGEXP_DEBUG_LOG); |
| 4444 | 3707 return FALSE; |
| 3708 } | |
| 3709 #endif | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3710 nfa_match = FALSE; |
| 4444 | 3711 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3712 /* Allocate memory for the lists of nodes. */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3713 size = (nstate + 1) * sizeof(nfa_thread_T); |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3714 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
|
3715 list[0].len = nstate + 1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3716 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
|
3717 list[1].len = nstate + 1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3718 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
|
3719 list[2].len = nstate + 1; |
| 4444 | 3720 if (list[0].t == NULL || list[1].t == NULL || list[2].t == NULL) |
| 3721 goto theend; | |
| 3722 | |
| 3723 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3724 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 3725 if (log_fd != NULL) |
| 3726 { | |
| 3727 fprintf(log_fd, "**********************************\n"); | |
| 3728 nfa_set_code(start->c); | |
| 3729 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n", | |
| 3730 abs(start->id), code); | |
| 3731 fprintf(log_fd, "**********************************\n"); | |
| 3732 } | |
| 3733 else | |
| 3734 { | |
| 3735 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... ")); | |
| 3736 log_fd = stderr; | |
| 3737 } | |
| 3738 #endif | |
| 3739 | |
| 3740 thislist = &list[0]; | |
| 3741 thislist->n = 0; | |
| 3742 nextlist = &list[1]; | |
| 3743 nextlist->n = 0; | |
| 3744 neglist = &list[2]; | |
| 3745 neglist->n = 0; | |
| 3746 #ifdef ENABLE_LOG | |
| 3747 fprintf(log_fd, "(---) STARTSTATE\n"); | |
| 3748 #endif | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3749 thislist->id = listid; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3750 addstate(thislist, start, m, 0); |
| 4444 | 3751 |
| 3752 /* There are two cases when the NFA advances: 1. input char matches the | |
| 3753 * NFA node and 2. input char does not match the NFA node, but the next | |
| 3754 * node is NFA_NOT. The following macro calls addstate() according to | |
| 3755 * these rules. It is used A LOT, so use the "listtbl" table for speed */ | |
| 3756 listtbl[0][0] = NULL; | |
| 3757 listtbl[0][1] = neglist; | |
| 3758 listtbl[1][0] = nextlist; | |
| 3759 listtbl[1][1] = NULL; | |
| 3760 #define ADD_POS_NEG_STATE(node) \ | |
| 3761 ll = listtbl[result ? 1 : 0][node->negated]; \ | |
| 3762 if (ll != NULL) \ | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3763 addstate(ll, node->out , &t->subs, clen); |
| 4444 | 3764 |
| 3765 | |
| 3766 /* | |
| 3767 * Run for each character. | |
| 3768 */ | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3769 for (;;) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3770 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3771 int curc; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3772 int clen; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3773 |
| 4444 | 3774 #ifdef FEAT_MBYTE |
| 3775 if (has_mbyte) | |
| 3776 { | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3777 curc = (*mb_ptr2char)(reginput); |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3778 clen = (*mb_ptr2len)(reginput); |
| 4444 | 3779 } |
| 3780 else | |
| 3781 #endif | |
| 3782 { | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3783 curc = *reginput; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3784 clen = 1; |
| 4444 | 3785 } |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3786 if (curc == NUL) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3787 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3788 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3789 go_to_nextline = FALSE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3790 } |
| 4444 | 3791 |
| 3792 /* swap lists */ | |
| 3793 thislist = &list[flag]; | |
| 3794 nextlist = &list[flag ^= 1]; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3795 nextlist->n = 0; /* clear nextlist */ |
| 4444 | 3796 listtbl[1][0] = nextlist; |
| 3797 ++listid; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3798 thislist->id = listid; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3799 nextlist->id = listid + 1; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3800 neglist->id = listid + 1; |
| 4444 | 3801 |
| 3802 #ifdef ENABLE_LOG | |
| 3803 fprintf(log_fd, "------------------------------------------\n"); | |
| 3804 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
|
3805 fprintf(log_fd, ">>> Advanced one character ... Current char is %c (code %d) \n", curc, (int)curc); |
| 4444 | 3806 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
|
3807 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3808 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3809 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3810 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3811 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
|
3812 } |
| 4444 | 3813 fprintf(log_fd, "\n"); |
| 3814 #endif | |
| 3815 | |
| 4460 | 3816 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 3817 fprintf(debug, "\n-------------------\n"); |
| 3818 #endif | |
| 4480 | 3819 /* |
| 3820 * If the state lists are empty we can stop. | |
| 3821 */ | |
| 3822 if (thislist->n == 0 && neglist->n == 0) | |
| 3823 break; | |
| 4444 | 3824 |
| 3825 /* compute nextlist */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3826 for (listidx = 0; listidx < thislist->n || neglist->n > 0; ++listidx) |
| 4444 | 3827 { |
| 3828 if (neglist->n > 0) | |
| 3829 { | |
| 3830 t = &neglist->t[0]; | |
| 4468 | 3831 neglist->n--; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3832 listidx--; |
| 4444 | 3833 } |
| 3834 else | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
3835 t = &thislist->t[listidx]; |
| 4444 | 3836 |
| 4460 | 3837 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 3838 nfa_set_code(t->state->c); |
| 3839 fprintf(debug, "%s, ", code); | |
| 3840 #endif | |
| 3841 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3842 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3843 int col; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3844 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
3845 if (t->subs.norm.in_use <= 0) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3846 col = -1; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3847 else if (REG_MULTI) |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
3848 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
|
3849 else |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
3850 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
|
3851 nfa_set_code(t->state->c); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3852 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
|
3853 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
|
3854 } |
| 4444 | 3855 #endif |
| 3856 | |
| 3857 /* | |
| 3858 * Handle the possible codes of the current state. | |
| 3859 * The most important is NFA_MATCH. | |
| 3860 */ | |
| 3861 switch (t->state->c) | |
| 3862 { | |
| 3863 case NFA_MATCH: | |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
3864 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3865 nfa_match = TRUE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3866 copy_sub(&submatch->norm, &t->subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3867 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3868 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3869 copy_sub(&submatch->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3870 #endif |
| 4444 | 3871 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3872 log_subsexpr(&t->subs); |
| 4444 | 3873 #endif |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3874 /* 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
|
3875 * 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
|
3876 * 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
|
3877 * correct. */ |
|
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
3878 if (nextlist->n == 0 && neglist->n == 0) |
|
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
3879 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3880 goto nextchar; |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
3881 } |
| 4444 | 3882 |
| 3883 case NFA_END_INVISIBLE: | |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3884 /* This is only encountered after a NFA_START_INVISIBLE or |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3885 * NFA_START_INVISIBLE_BEFORE node. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3886 * They surround a zero-width group, used with "\@=", "\&", |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3887 * "\@!", "\@<=" and "\@<!". |
| 4444 | 3888 * If we got here, it means that the current "invisible" group |
| 3889 * finished successfully, so return control to the parent | |
| 3890 * nfa_regmatch(). Submatches are stored in *m, and used in | |
| 3891 * the parent call. */ | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3892 if (start->c == NFA_MOPEN) |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3893 /* TODO: do we ever get here? */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3894 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
| 4444 | 3895 else |
| 3896 { | |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3897 #ifdef ENABLE_LOG |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3898 if (nfa_endp != NULL) |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3899 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3900 if (REG_MULTI) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3901 fprintf(log_fd, "Current lnum: %d, endp lnum: %d; current col: %d, endp col: %d\n", |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3902 (int)reglnum, |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3903 (int)nfa_endp->se_u.pos.lnum, |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3904 (int)(reginput - regline), |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3905 nfa_endp->se_u.pos.col); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3906 else |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3907 fprintf(log_fd, "Current col: %d, endp col: %d\n", |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3908 (int)(reginput - regline), |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3909 (int)(nfa_endp->se_u.ptr - reginput)); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3910 } |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3911 #endif |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3912 /* It's only a match if it ends at "nfa_endp" */ |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3913 if (nfa_endp != NULL && (REG_MULTI |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3914 ? (reglnum != nfa_endp->se_u.pos.lnum |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3915 || (int)(reginput - regline) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3916 != nfa_endp->se_u.pos.col) |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3917 : reginput != nfa_endp->se_u.ptr)) |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3918 break; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3919 |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3920 /* do not set submatches for \@! */ |
|
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3921 if (!t->state->negated) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3922 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3923 copy_sub(&m->norm, &t->subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3924 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3925 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3926 copy_sub(&m->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3927 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3928 } |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3929 nfa_match = TRUE; |
| 4444 | 3930 } |
| 3931 break; | |
| 3932 | |
| 3933 case NFA_START_INVISIBLE: | |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3934 case NFA_START_INVISIBLE_BEFORE: |
|
4669
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
3935 { |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3936 char_u *save_reginput = reginput; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3937 char_u *save_regline = regline; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3938 int save_reglnum = reglnum; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3939 int save_nfa_match = nfa_match; |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3940 save_se_T *save_nfa_endp = nfa_endp; |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3941 save_se_T endpos; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3942 save_se_T *endposp = NULL; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3943 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3944 if (t->state->c == NFA_START_INVISIBLE_BEFORE) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3945 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3946 /* The recursive match must end at the current position. */ |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3947 endposp = &endpos; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3948 if (REG_MULTI) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3949 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3950 endpos.se_u.pos.col = (int)(reginput - regline); |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3951 endpos.se_u.pos.lnum = reglnum; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3952 } |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3953 else |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3954 endpos.se_u.ptr = reginput; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3955 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3956 /* Go back the specified number of bytes, or as far as the |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3957 * start of the previous line, to try matching "\@<=" or |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3958 * not matching "\@<!". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3959 * TODO: This is very inefficient! Would be better to |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3960 * first check for a match with what follows. */ |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3961 if (t->state->val <= 0) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3962 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3963 if (REG_MULTI) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3964 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3965 regline = reg_getline(--reglnum); |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3966 if (regline == NULL) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3967 /* can't go before the first line */ |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3968 regline = reg_getline(++reglnum); |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3969 } |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3970 reginput = regline; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3971 } |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3972 else |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3973 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3974 if (REG_MULTI |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3975 && (int)(reginput - regline) < t->state->val) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3976 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3977 /* Not enough bytes in this line, go to end of |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3978 * previous line. */ |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3979 regline = reg_getline(--reglnum); |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3980 if (regline == NULL) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3981 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3982 /* can't go before the first line */ |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3983 regline = reg_getline(++reglnum); |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3984 reginput = regline; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3985 } |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3986 else |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3987 reginput = regline + STRLEN(regline); |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3988 } |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3989 if ((int)(reginput - regline) >= t->state->val) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3990 { |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3991 reginput -= t->state->val; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3992 #ifdef FEAT_MBYTE |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3993 if (has_mbyte) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3994 reginput -= mb_head_off(regline, reginput); |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3995 #endif |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3996 } |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3997 else |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3998 reginput = regline; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3999 } |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4000 } |
|
4669
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4001 |
|
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4002 /* Call nfa_regmatch() to check if the current concat matches |
|
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4003 * at this position. The concat ends with the node |
|
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4004 * NFA_END_INVISIBLE */ |
| 4444 | 4005 if (listids == NULL) |
| 4006 { | |
|
4669
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4007 listids = (int *)lalloc(sizeof(int) * nstate, TRUE); |
| 4444 | 4008 if (listids == NULL) |
| 4009 { | |
| 4010 EMSG(_("E878: (NFA) Could not allocate memory for branch traversal!")); | |
| 4011 return 0; | |
| 4012 } | |
| 4013 } | |
| 4014 #ifdef ENABLE_LOG | |
| 4015 if (log_fd != stderr) | |
| 4016 fclose(log_fd); | |
| 4017 log_fd = NULL; | |
| 4018 #endif | |
| 4019 /* Have to clear the listid field of the NFA nodes, so that | |
| 4020 * nfa_regmatch() and addstate() can run properly after | |
| 4021 * recursion. */ | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4022 nfa_save_listids(prog, listids); |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4023 nfa_endp = endposp; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4024 result = nfa_regmatch(prog, t->state->out, submatch, m); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4025 nfa_restore_listids(prog, listids); |
|
4669
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4026 |
|
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4027 /* restore position in input text */ |
|
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4028 reginput = save_reginput; |
|
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4029 regline = save_regline; |
|
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4030 reglnum = save_reglnum; |
|
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4031 nfa_match = save_nfa_match; |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4032 nfa_endp = save_nfa_endp; |
| 4444 | 4033 |
| 4034 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4035 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 4036 if (log_fd != NULL) |
| 4037 { | |
| 4038 fprintf(log_fd, "****************************\n"); | |
| 4039 fprintf(log_fd, "FINISHED RUNNING nfa_regmatch() recursively\n"); | |
| 4040 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : "FALSE"); | |
| 4041 fprintf(log_fd, "****************************\n"); | |
| 4042 } | |
| 4043 else | |
| 4044 { | |
| 4045 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... ")); | |
| 4046 log_fd = stderr; | |
| 4047 } | |
| 4048 #endif | |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
4049 /* for \@! it is a match when result is FALSE */ |
|
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
4050 if (result != t->state->negated) |
| 4444 | 4051 { |
| 4052 /* Copy submatch info from the recursive call */ | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4053 copy_sub_off(&t->subs.norm, &m->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4054 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4055 copy_sub_off(&t->subs.synt, &m->synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4056 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4057 |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4058 /* t->state->out1 is the corresponding END_INVISIBLE node; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4059 * Add it to the current list (zero-width match). */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4060 addstate_here(thislist, t->state->out1->out, &t->subs, |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4061 &listidx); |
| 4444 | 4062 } |
| 4063 break; | |
|
4669
2d15582e132f
updated for version 7.3.1082
Bram Moolenaar <bram@vim.org>
parents:
4667
diff
changeset
|
4064 } |
| 4444 | 4065 |
| 4066 case NFA_BOL: | |
| 4067 if (reginput == regline) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4068 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
| 4444 | 4069 break; |
| 4070 | |
| 4071 case NFA_EOL: | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4072 if (curc == NUL) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4073 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
| 4444 | 4074 break; |
| 4075 | |
| 4076 case NFA_BOW: | |
| 4077 { | |
| 4078 int bow = TRUE; | |
| 4079 | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4080 if (curc == NUL) |
| 4444 | 4081 bow = FALSE; |
| 4082 #ifdef FEAT_MBYTE | |
| 4083 else if (has_mbyte) | |
| 4084 { | |
| 4085 int this_class; | |
| 4086 | |
| 4087 /* Get class of current and previous char (if it exists). */ | |
| 4503 | 4088 this_class = mb_get_class_buf(reginput, reg_buf); |
| 4444 | 4089 if (this_class <= 1) |
| 4090 bow = FALSE; | |
| 4091 else if (reg_prev_class() == this_class) | |
| 4092 bow = FALSE; | |
| 4093 } | |
| 4094 #endif | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4095 else if (!vim_iswordc_buf(curc, reg_buf) |
| 4503 | 4096 || (reginput > regline |
| 4097 && vim_iswordc_buf(reginput[-1], reg_buf))) | |
| 4444 | 4098 bow = FALSE; |
| 4099 if (bow) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4100 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
| 4444 | 4101 break; |
| 4102 } | |
| 4103 | |
| 4104 case NFA_EOW: | |
| 4105 { | |
| 4106 int eow = TRUE; | |
| 4107 | |
| 4108 if (reginput == regline) | |
| 4109 eow = FALSE; | |
| 4110 #ifdef FEAT_MBYTE | |
| 4111 else if (has_mbyte) | |
| 4112 { | |
| 4113 int this_class, prev_class; | |
| 4114 | |
| 4115 /* Get class of current and previous char (if it exists). */ | |
| 4503 | 4116 this_class = mb_get_class_buf(reginput, reg_buf); |
| 4444 | 4117 prev_class = reg_prev_class(); |
| 4118 if (this_class == prev_class | |
| 4119 || prev_class == 0 || prev_class == 1) | |
| 4120 eow = FALSE; | |
| 4121 } | |
| 4122 #endif | |
| 4503 | 4123 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
|
4124 || (reginput[0] != NUL |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4125 && vim_iswordc_buf(curc, reg_buf))) |
| 4444 | 4126 eow = FALSE; |
| 4127 if (eow) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4128 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
| 4444 | 4129 break; |
| 4130 } | |
| 4131 | |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4132 case NFA_BOF: |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4133 if (reglnum == 0 && reginput == regline |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4134 && (!REG_MULTI || reg_firstlnum == 1)) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4135 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4136 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4137 |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4138 case NFA_EOF: |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4139 if (reglnum == reg_maxline && curc == NUL) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4140 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4141 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
4142 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4143 #ifdef FEAT_MBYTE |
| 4444 | 4144 case NFA_COMPOSING: |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4145 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4146 int mc = curc; |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4147 int len = 0; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4148 nfa_state_T *end; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4149 nfa_state_T *sta; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4150 int cchars[MAX_MCO]; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4151 int ccount = 0; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4152 int j; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4153 |
| 4444 | 4154 sta = t->state->out; |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4155 len = 0; |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4156 if (utf_iscomposing(sta->c)) |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4157 { |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4158 /* Only match composing character(s), ignore base |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4159 * character. Used for ".{composing}" and "{composing}" |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4160 * (no preceding character). */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4161 len += mb_char2len(mc); |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4162 } |
|
4551
f0c37f5cf4ea
updated for version 7.3.1023
Bram Moolenaar <bram@vim.org>
parents:
4549
diff
changeset
|
4163 if (ireg_icombine && len == 0) |
| 4444 | 4164 { |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4165 /* If \Z was present, then ignore composing characters. |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
4166 * 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
|
4167 /* TODO: How about negated? */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4168 if (len == 0 && sta->c != curc) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4169 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4170 else |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4171 result = OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4172 while (sta->c != NFA_END_COMPOSING) |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4173 sta = sta->out; |
| 4444 | 4174 } |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4175 |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4176 /* Check base character matches first, unless ignored. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4177 else if (len > 0 || mc == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4178 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4179 if (len == 0) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4180 { |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4181 len += mb_char2len(mc); |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4182 sta = sta->out; |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
4183 } |
| 4444 | 4184 |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4185 /* 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
|
4186 * Get them into cchars[] first. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4187 while (len < clen) |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4188 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4189 mc = mb_ptr2char(reginput + len); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4190 cchars[ccount++] = mc; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4191 len += mb_char2len(mc); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4192 if (ccount == MAX_MCO) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4193 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4194 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4195 |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4196 /* 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
|
4197 * 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
|
4198 * composing chars are matched. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4199 result = OK; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4200 while (sta->c != NFA_END_COMPOSING) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4201 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4202 for (j = 0; j < ccount; ++j) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4203 if (cchars[j] == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4204 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4205 if (j == ccount) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4206 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4207 result = FAIL; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4208 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4209 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4210 sta = sta->out; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4211 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4212 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4213 else |
|
4525
36ddcf4cecbc
updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents:
4517
diff
changeset
|
4214 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
4215 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4216 end = t->state->out1; /* NFA_END_COMPOSING */ |
| 4444 | 4217 ADD_POS_NEG_STATE(end); |
| 4218 break; | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4219 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4220 #endif |
| 4444 | 4221 |
| 4222 case NFA_NEWL: | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4223 if (curc == NUL && !reg_line_lbr && REG_MULTI |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4224 && reglnum <= reg_maxline) |
| 4444 | 4225 { |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4226 go_to_nextline = TRUE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4227 /* 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
|
4228 * at the start of the next line. */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4229 addstate(nextlist, t->state->out, &t->subs, -1); |
| 4444 | 4230 } |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4231 else if (curc == '\n' && reg_line_lbr) |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4232 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4233 /* match \n as if it is an ordinary character */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4234 addstate(nextlist, t->state->out, &t->subs, 1); |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4235 } |
| 4444 | 4236 break; |
| 4237 | |
| 4238 case NFA_CLASS_ALNUM: | |
| 4239 case NFA_CLASS_ALPHA: | |
| 4240 case NFA_CLASS_BLANK: | |
| 4241 case NFA_CLASS_CNTRL: | |
| 4242 case NFA_CLASS_DIGIT: | |
| 4243 case NFA_CLASS_GRAPH: | |
| 4244 case NFA_CLASS_LOWER: | |
| 4245 case NFA_CLASS_PRINT: | |
| 4246 case NFA_CLASS_PUNCT: | |
| 4247 case NFA_CLASS_SPACE: | |
| 4248 case NFA_CLASS_UPPER: | |
| 4249 case NFA_CLASS_XDIGIT: | |
| 4250 case NFA_CLASS_TAB: | |
| 4251 case NFA_CLASS_RETURN: | |
| 4252 case NFA_CLASS_BACKSPACE: | |
| 4253 case NFA_CLASS_ESCAPE: | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4254 result = check_char_class(t->state->c, curc); |
| 4444 | 4255 ADD_POS_NEG_STATE(t->state); |
| 4256 break; | |
| 4257 | |
| 4258 case NFA_END_NEG_RANGE: | |
| 4259 /* This follows a series of negated nodes, like: | |
| 4260 * 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
|
4261 if (curc > 0) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4262 addstate(nextlist, t->state->out, &t->subs, clen); |
| 4444 | 4263 break; |
| 4264 | |
| 4265 case NFA_ANY: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4266 /* 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
|
4267 if (curc > 0) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4268 addstate(nextlist, t->state->out, &t->subs, clen); |
| 4444 | 4269 break; |
| 4270 | |
| 4271 /* | |
| 4272 * Character classes like \a for alpha, \d for digit etc. | |
| 4273 */ | |
| 4274 case NFA_IDENT: /* \i */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4275 result = vim_isIDc(curc); |
| 4444 | 4276 ADD_POS_NEG_STATE(t->state); |
| 4277 break; | |
| 4278 | |
| 4279 case NFA_SIDENT: /* \I */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4280 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc); |
| 4444 | 4281 ADD_POS_NEG_STATE(t->state); |
| 4282 break; | |
| 4283 | |
| 4284 case NFA_KWORD: /* \k */ | |
| 4503 | 4285 result = vim_iswordp_buf(reginput, reg_buf); |
| 4444 | 4286 ADD_POS_NEG_STATE(t->state); |
| 4287 break; | |
| 4288 | |
| 4289 case NFA_SKWORD: /* \K */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4290 result = !VIM_ISDIGIT(curc) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4291 && vim_iswordp_buf(reginput, reg_buf); |
| 4444 | 4292 ADD_POS_NEG_STATE(t->state); |
| 4293 break; | |
| 4294 | |
| 4295 case NFA_FNAME: /* \f */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4296 result = vim_isfilec(curc); |
| 4444 | 4297 ADD_POS_NEG_STATE(t->state); |
| 4298 break; | |
| 4299 | |
| 4300 case NFA_SFNAME: /* \F */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4301 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc); |
| 4444 | 4302 ADD_POS_NEG_STATE(t->state); |
| 4303 break; | |
| 4304 | |
| 4305 case NFA_PRINT: /* \p */ | |
| 4470 | 4306 result = ptr2cells(reginput) == 1; |
| 4444 | 4307 ADD_POS_NEG_STATE(t->state); |
| 4308 break; | |
| 4309 | |
| 4310 case NFA_SPRINT: /* \P */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4311 result = !VIM_ISDIGIT(curc) && ptr2cells(reginput) == 1; |
| 4444 | 4312 ADD_POS_NEG_STATE(t->state); |
| 4313 break; | |
| 4314 | |
| 4315 case NFA_WHITE: /* \s */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4316 result = vim_iswhite(curc); |
| 4444 | 4317 ADD_POS_NEG_STATE(t->state); |
| 4318 break; | |
| 4319 | |
| 4320 case NFA_NWHITE: /* \S */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4321 result = curc != NUL && !vim_iswhite(curc); |
| 4444 | 4322 ADD_POS_NEG_STATE(t->state); |
| 4323 break; | |
| 4324 | |
| 4325 case NFA_DIGIT: /* \d */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4326 result = ri_digit(curc); |
| 4444 | 4327 ADD_POS_NEG_STATE(t->state); |
| 4328 break; | |
| 4329 | |
| 4330 case NFA_NDIGIT: /* \D */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4331 result = curc != NUL && !ri_digit(curc); |
| 4444 | 4332 ADD_POS_NEG_STATE(t->state); |
| 4333 break; | |
| 4334 | |
| 4335 case NFA_HEX: /* \x */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4336 result = ri_hex(curc); |
| 4444 | 4337 ADD_POS_NEG_STATE(t->state); |
| 4338 break; | |
| 4339 | |
| 4340 case NFA_NHEX: /* \X */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4341 result = curc != NUL && !ri_hex(curc); |
| 4444 | 4342 ADD_POS_NEG_STATE(t->state); |
| 4343 break; | |
| 4344 | |
| 4345 case NFA_OCTAL: /* \o */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4346 result = ri_octal(curc); |
| 4444 | 4347 ADD_POS_NEG_STATE(t->state); |
| 4348 break; | |
| 4349 | |
| 4350 case NFA_NOCTAL: /* \O */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4351 result = curc != NUL && !ri_octal(curc); |
| 4444 | 4352 ADD_POS_NEG_STATE(t->state); |
| 4353 break; | |
| 4354 | |
| 4355 case NFA_WORD: /* \w */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4356 result = ri_word(curc); |
| 4444 | 4357 ADD_POS_NEG_STATE(t->state); |
| 4358 break; | |
| 4359 | |
| 4360 case NFA_NWORD: /* \W */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4361 result = curc != NUL && !ri_word(curc); |
| 4444 | 4362 ADD_POS_NEG_STATE(t->state); |
| 4363 break; | |
| 4364 | |
| 4365 case NFA_HEAD: /* \h */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4366 result = ri_head(curc); |
| 4444 | 4367 ADD_POS_NEG_STATE(t->state); |
| 4368 break; | |
| 4369 | |
| 4370 case NFA_NHEAD: /* \H */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4371 result = curc != NUL && !ri_head(curc); |
| 4444 | 4372 ADD_POS_NEG_STATE(t->state); |
| 4373 break; | |
| 4374 | |
| 4375 case NFA_ALPHA: /* \a */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4376 result = ri_alpha(curc); |
| 4444 | 4377 ADD_POS_NEG_STATE(t->state); |
| 4378 break; | |
| 4379 | |
| 4380 case NFA_NALPHA: /* \A */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4381 result = curc != NUL && !ri_alpha(curc); |
| 4444 | 4382 ADD_POS_NEG_STATE(t->state); |
| 4383 break; | |
| 4384 | |
| 4385 case NFA_LOWER: /* \l */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4386 result = ri_lower(curc); |
| 4444 | 4387 ADD_POS_NEG_STATE(t->state); |
| 4388 break; | |
| 4389 | |
| 4390 case NFA_NLOWER: /* \L */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4391 result = curc != NUL && !ri_lower(curc); |
| 4444 | 4392 ADD_POS_NEG_STATE(t->state); |
| 4393 break; | |
| 4394 | |
| 4395 case NFA_UPPER: /* \u */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4396 result = ri_upper(curc); |
| 4444 | 4397 ADD_POS_NEG_STATE(t->state); |
| 4398 break; | |
| 4399 | |
| 4400 case NFA_NUPPER: /* \U */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4401 result = curc != NUL && !ri_upper(curc); |
| 4444 | 4402 ADD_POS_NEG_STATE(t->state); |
| 4403 break; | |
| 4404 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4405 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4406 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4407 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4408 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4409 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4410 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4411 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4412 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4413 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4414 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4415 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4416 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4417 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4418 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4419 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4420 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4421 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4422 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4423 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4424 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4425 /* \1 .. \9 \z1 .. \z9 */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4426 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4427 int subidx; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4428 int bytelen; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4429 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4430 if (t->state->c <= NFA_BACKREF9) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4431 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4432 subidx = t->state->c - NFA_BACKREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4433 result = match_backref(&t->subs.norm, subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4434 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4435 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4436 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4437 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4438 subidx = t->state->c - NFA_ZREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4439 result = match_zref(subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4440 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4441 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4442 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4443 if (result) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4444 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4445 if (bytelen == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4446 { |
|
4692
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
4447 /* 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
|
4448 * used next */ |
|
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
4449 addstate_here(thislist, t->state->out->out, &t->subs, |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4450 &listidx); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4451 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4452 else if (bytelen <= clen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4453 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4454 /* match current character, jump ahead to out of |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4455 * NFA_SKIP */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4456 addstate(nextlist, t->state->out->out, &t->subs, clen); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4457 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4458 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
|
4459 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4460 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4461 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4462 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4463 /* skip ofer the matched characters, set character |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4464 * count in NFA_SKIP */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4465 addstate(nextlist, t->state->out, &t->subs, bytelen); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4466 nextlist->t[nextlist->n - 1].count = bytelen - clen; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4467 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4468 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
|
4469 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4470 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4471 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4472 } |
| 4482 | 4473 break; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4474 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4475 case NFA_SKIP: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4476 /* charater of previous matching \1 .. \9 */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4477 if (t->count - clen <= 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4478 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4479 /* end of match, go to what follows */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4480 addstate(nextlist, t->state->out, &t->subs, clen); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4481 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4482 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
|
4483 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4484 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4485 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4486 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4487 /* add state again with decremented count */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4488 addstate(nextlist, t->state, &t->subs, 0); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4489 nextlist->t[nextlist->n - 1].count = t->count - clen; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4490 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4491 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
|
4492 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4493 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4494 break; |
| 4482 | 4495 |
| 4496 case NFA_SKIP_CHAR: | |
| 4497 case NFA_ZSTART: | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
4498 case NFA_ZEND: |
| 4482 | 4499 /* TODO: should not happen? */ |
| 4500 break; | |
| 4501 | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4502 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4503 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4504 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4505 result = (REG_MULTI && |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4506 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
|
4507 (long_u)(reglnum + reg_firstlnum))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4508 if (result) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4509 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4510 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4511 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4512 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4513 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4514 case NFA_COL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4515 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
|
4516 (long_u)(reginput - regline) + 1); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4517 if (result) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4518 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4519 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4520 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4521 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4522 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4523 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4524 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
|
4525 (long_u)win_linetabsize( |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4526 reg_win == NULL ? curwin : reg_win, |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4527 regline, (colnr_T)(reginput - regline)) + 1); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4528 if (result) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4529 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4530 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4531 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4532 case NFA_CURSOR: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4533 result = (reg_win != NULL |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4534 && (reglnum + reg_firstlnum == reg_win->w_cursor.lnum) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4535 && ((colnr_T)(reginput - regline) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4536 == reg_win->w_cursor.col)); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4537 if (result) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4538 addstate_here(thislist, t->state->out, &t->subs, &listidx); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4539 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4540 |
| 4444 | 4541 default: /* regular character */ |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4542 { |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4543 int c = t->state->c; |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4544 |
| 4482 | 4545 /* TODO: put this in #ifdef later */ |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4546 if (c < -256) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4547 EMSGN("INTERNAL: Negative state char: %ld", c); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4548 if (is_Magic(c)) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4549 c = un_Magic(c); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4550 result = (c == curc); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4551 |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4552 if (!result && ireg_ic) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4553 result = MB_TOLOWER(c) == MB_TOLOWER(curc); |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4554 #ifdef FEAT_MBYTE |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4555 /* 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
|
4556 * 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
|
4557 * character uses NFA_COMPOSING above. */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4558 if (result && enc_utf8 && !ireg_icombine |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4559 && clen != utf_char2len(curc)) |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4560 result = FALSE; |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
4561 #endif |
| 4444 | 4562 ADD_POS_NEG_STATE(t->state); |
| 4563 break; | |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
4564 } |
| 4444 | 4565 } |
| 4566 | |
| 4567 } /* for (thislist = thislist; thislist->state; thislist++) */ | |
| 4568 | |
|
4557
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
4569 /* 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
|
4570 * start state to the list of states. |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
4571 * 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
|
4572 * matters! |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
4573 * 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
|
4574 * 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
|
4575 * 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
|
4576 * 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
|
4577 if (nfa_match == FALSE |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4578 && ((start->c == NFA_MOPEN |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4579 && reglnum == 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4580 && clen != 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4581 && (ireg_maxcol == 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4582 || (colnr_T)(reginput - regline) < ireg_maxcol)) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4583 || (nfa_endp != NULL |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4584 && (REG_MULTI |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4585 ? (reglnum < nfa_endp->se_u.pos.lnum |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4586 || (reglnum == nfa_endp->se_u.pos.lnum |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4587 && (int)(reginput - regline) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4588 < nfa_endp->se_u.pos.col)) |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4589 : reginput < nfa_endp->se_u.ptr)))) |
| 4444 | 4590 { |
| 4591 #ifdef ENABLE_LOG | |
| 4592 fprintf(log_fd, "(---) STARTSTATE\n"); | |
| 4593 #endif | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4594 addstate(nextlist, start, m, clen); |
| 4444 | 4595 } |
| 4596 | |
| 4597 #ifdef ENABLE_LOG | |
| 4598 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
|
4599 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4600 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4601 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4602 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4603 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
|
4604 } |
| 4444 | 4605 fprintf(log_fd, "\n"); |
| 4606 #endif | |
| 4607 | |
| 4608 nextchar: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4609 /* 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
|
4610 * finish. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4611 if (clen != 0) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4612 reginput += clen; |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4613 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
|
4614 && reglnum < nfa_endp->se_u.pos.lnum)) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4615 reg_nextline(); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4616 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4617 break; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4618 } |
| 4444 | 4619 |
| 4620 #ifdef ENABLE_LOG | |
| 4621 if (log_fd != stderr) | |
| 4622 fclose(log_fd); | |
| 4623 log_fd = NULL; | |
| 4624 #endif | |
| 4625 | |
| 4626 theend: | |
| 4627 /* Free memory */ | |
| 4628 vim_free(list[0].t); | |
| 4629 vim_free(list[1].t); | |
| 4630 vim_free(list[2].t); | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4631 vim_free(listids); |
| 4444 | 4632 #undef ADD_POS_NEG_STATE |
| 4460 | 4633 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 4634 fclose(debug); |
| 4635 #endif | |
| 4636 | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4637 return nfa_match; |
| 4444 | 4638 } |
| 4639 | |
| 4640 /* | |
| 4641 * Try match of "prog" with at regline["col"]. | |
| 4642 * Returns 0 for failure, number of lines contained in the match otherwise. | |
| 4643 */ | |
| 4644 static long | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4645 nfa_regtry(prog, col) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4646 nfa_regprog_T *prog; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4647 colnr_T col; |
| 4444 | 4648 { |
| 4649 int i; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4650 regsubs_T subs, m; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4651 nfa_state_T *start = prog->start; |
| 4444 | 4652 #ifdef ENABLE_LOG |
| 4653 FILE *f; | |
| 4654 #endif | |
| 4655 | |
| 4656 reginput = regline + col; | |
| 4657 need_clear_subexpr = TRUE; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4658 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4659 /* Clear the external match subpointers if necessary. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4660 if (prog->reghasz == REX_SET) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4661 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4662 nfa_has_zsubexpr = TRUE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4663 need_clear_zsubexpr = TRUE; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4664 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4665 else |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4666 nfa_has_zsubexpr = FALSE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4667 #endif |
| 4444 | 4668 |
| 4669 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4670 f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 4671 if (f != NULL) |
| 4672 { | |
| 4673 fprintf(f, "\n\n\n\n\n\n\t\t=======================================================\n"); | |
| 4674 fprintf(f, " =======================================================\n"); | |
| 4675 #ifdef DEBUG | |
| 4676 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr); | |
| 4677 #endif | |
| 4678 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
|
4679 fprintf(f, " =======================================================\n\n"); |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
4680 nfa_print_state(f, start); |
| 4444 | 4681 fprintf(f, "\n\n"); |
| 4682 fclose(f); | |
| 4683 } | |
| 4684 else | |
| 4685 EMSG(_("Could not open temporary log file for writing ")); | |
| 4686 #endif | |
| 4687 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4688 clear_sub(&subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4689 clear_sub(&m.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4690 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4691 clear_sub(&subs.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4692 clear_sub(&m.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4693 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4694 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4695 if (nfa_regmatch(prog, start, &subs, &m) == FALSE) |
| 4444 | 4696 return 0; |
| 4697 | |
| 4698 cleanup_subexpr(); | |
| 4699 if (REG_MULTI) | |
| 4700 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4701 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 4702 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4703 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
|
4704 reg_endpos[i] = subs.norm.list.multi[i].end; |
| 4444 | 4705 } |
| 4706 | |
| 4707 if (reg_startpos[0].lnum < 0) | |
| 4708 { | |
| 4709 reg_startpos[0].lnum = 0; | |
| 4710 reg_startpos[0].col = col; | |
| 4711 } | |
| 4712 if (reg_endpos[0].lnum < 0) | |
| 4713 { | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
4714 /* pattern has a \ze but it didn't match, use current end */ |
| 4444 | 4715 reg_endpos[0].lnum = reglnum; |
| 4716 reg_endpos[0].col = (int)(reginput - regline); | |
| 4717 } | |
| 4718 else | |
| 4719 /* Use line number of "\ze". */ | |
| 4720 reglnum = reg_endpos[0].lnum; | |
| 4721 } | |
| 4722 else | |
| 4723 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4724 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 4725 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4726 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
|
4727 reg_endp[i] = subs.norm.list.line[i].end; |
| 4444 | 4728 } |
| 4729 | |
| 4730 if (reg_startp[0] == NULL) | |
| 4731 reg_startp[0] = regline + col; | |
| 4732 if (reg_endp[0] == NULL) | |
| 4733 reg_endp[0] = reginput; | |
| 4734 } | |
| 4735 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4736 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4737 /* 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
|
4738 unref_extmatch(re_extmatch_out); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4739 re_extmatch_out = NULL; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4740 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4741 if (prog->reghasz == REX_SET) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4742 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4743 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4744 re_extmatch_out = make_extmatch(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4745 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
|
4746 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4747 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4748 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4749 struct multipos *mpos = &subs.synt.list.multi[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4750 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4751 /* Only accept single line matches. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4752 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
|
4753 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4754 vim_strnsave(reg_getline(mpos->start.lnum) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4755 + mpos->start.col, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4756 mpos->end.col - mpos->start.col); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4757 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4758 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4759 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4760 struct linepos *lpos = &subs.synt.list.line[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4761 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4762 if (lpos->start != NULL && lpos->end != NULL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4763 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4764 vim_strnsave(lpos->start, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4765 (int)(lpos->end - lpos->start)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4766 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4767 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4768 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4769 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4770 |
| 4444 | 4771 return 1 + reglnum; |
| 4772 } | |
| 4773 | |
| 4774 /* | |
| 4775 * Match a regexp against a string ("line" points to the string) or multiple | |
| 4776 * lines ("line" is NULL, use reg_getline()). | |
| 4777 * | |
| 4778 * Returns 0 for failure, number of lines contained in the match otherwise. | |
| 4779 */ | |
| 4780 static long | |
| 4781 nfa_regexec_both(line, col) | |
| 4782 char_u *line; | |
| 4783 colnr_T col; /* column to start looking for match */ | |
| 4784 { | |
| 4785 nfa_regprog_T *prog; | |
| 4786 long retval = 0L; | |
| 4787 int i; | |
| 4788 | |
| 4789 if (REG_MULTI) | |
| 4790 { | |
| 4791 prog = (nfa_regprog_T *)reg_mmatch->regprog; | |
| 4792 line = reg_getline((linenr_T)0); /* relative to the cursor */ | |
| 4793 reg_startpos = reg_mmatch->startpos; | |
| 4794 reg_endpos = reg_mmatch->endpos; | |
| 4795 } | |
| 4796 else | |
| 4797 { | |
| 4798 prog = (nfa_regprog_T *)reg_match->regprog; | |
| 4799 reg_startp = reg_match->startp; | |
| 4800 reg_endp = reg_match->endp; | |
| 4801 } | |
| 4802 | |
| 4803 /* Be paranoid... */ | |
| 4804 if (prog == NULL || line == NULL) | |
| 4805 { | |
| 4806 EMSG(_(e_null)); | |
| 4807 goto theend; | |
| 4808 } | |
| 4809 | |
| 4810 /* If the start column is past the maximum column: no need to try. */ | |
| 4811 if (ireg_maxcol > 0 && col >= ireg_maxcol) | |
| 4812 goto theend; | |
| 4813 | |
| 4814 /* If pattern contains "\c" or "\C": overrule value of ireg_ic */ | |
| 4815 if (prog->regflags & RF_ICASE) | |
| 4816 ireg_ic = TRUE; | |
| 4817 else if (prog->regflags & RF_NOICASE) | |
| 4818 ireg_ic = FALSE; | |
| 4819 | |
| 4820 #ifdef FEAT_MBYTE | |
| 4821 /* If pattern contains "\Z" overrule value of ireg_icombine */ | |
| 4822 if (prog->regflags & RF_ICOMBINE) | |
| 4823 ireg_icombine = TRUE; | |
| 4824 #endif | |
| 4825 | |
| 4826 regline = line; | |
| 4827 reglnum = 0; /* relative to line */ | |
| 4828 | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4829 nfa_has_zend = prog->has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4830 nfa_has_backref = prog->has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4831 nfa_nsubexpr = prog->nsubexp; |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4832 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4833 nfa_regengine.expr = prog->pattern; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4834 #endif |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4835 |
| 4444 | 4836 nstate = prog->nstate; |
| 4837 for (i = 0; i < nstate; ++i) | |
| 4838 { | |
| 4839 prog->state[i].id = i; | |
| 4840 prog->state[i].lastlist = 0; | |
| 4841 } | |
| 4842 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4843 retval = nfa_regtry(prog, col); |
| 4444 | 4844 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4845 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4846 nfa_regengine.expr = NULL; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4847 #endif |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4848 |
| 4444 | 4849 theend: |
| 4850 return retval; | |
| 4851 } | |
| 4852 | |
| 4853 /* | |
| 4854 * Compile a regular expression into internal code for the NFA matcher. | |
| 4855 * Returns the program in allocated space. Returns NULL for an error. | |
| 4856 */ | |
| 4857 static regprog_T * | |
| 4858 nfa_regcomp(expr, re_flags) | |
| 4859 char_u *expr; | |
| 4860 int re_flags; | |
| 4861 { | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
4862 nfa_regprog_T *prog = NULL; |
| 4458 | 4863 size_t prog_size; |
| 4444 | 4864 int *postfix; |
| 4865 | |
| 4866 if (expr == NULL) | |
| 4867 return NULL; | |
| 4868 | |
| 4869 #ifdef DEBUG | |
| 4870 nfa_regengine.expr = expr; | |
| 4871 #endif | |
| 4872 | |
| 4873 init_class_tab(); | |
| 4874 | |
| 4875 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
| 4876 return NULL; | |
| 4877 | |
| 4878 /* 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
|
4879 * (and count its size). */ |
| 4444 | 4880 postfix = re2post(); |
| 4881 if (postfix == NULL) | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
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4553
diff
changeset
|
4882 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4883 /* TODO: only give this error for debugging? */ |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
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4553
diff
changeset
|
4884 if (post_ptr >= post_end) |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
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4553
diff
changeset
|
4885 EMSGN("Internal error: estimated max number of states insufficient: %ld", post_end - post_start); |
| 4444 | 4886 goto fail; /* Cascaded (syntax?) error */ |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
4887 } |
| 4444 | 4888 |
| 4889 /* | |
| 4890 * In order to build the NFA, we parse the input regexp twice: | |
| 4891 * 1. first pass to count size (so we can allocate space) | |
| 4892 * 2. second to emit code | |
| 4893 */ | |
| 4894 #ifdef ENABLE_LOG | |
| 4895 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4896 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 4897 |
| 4898 if (f != NULL) | |
| 4899 { | |
| 4900 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\" ... hold on !\n", expr); | |
| 4901 fclose(f); | |
| 4902 } | |
| 4903 } | |
| 4904 #endif | |
| 4905 | |
| 4906 /* | |
| 4907 * PASS 1 | |
| 4908 * Count number of NFA states in "nstate". Do not build the NFA. | |
| 4909 */ | |
| 4910 post2nfa(postfix, post_ptr, TRUE); | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
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diff
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|
4911 |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
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4539
diff
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|
4912 /* Space for compiled regexp */ |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
4913 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
|
4914 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE); |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
4915 if (prog == NULL) |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
4916 goto fail; |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
4917 vim_memset(prog, 0, prog_size); |
| 4444 | 4918 state_ptr = prog->state; |
| 4919 | |
| 4920 /* | |
| 4921 * PASS 2 | |
| 4922 * Build the NFA | |
| 4923 */ | |
| 4924 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
| 4925 if (prog->start == NULL) | |
| 4926 goto fail; | |
| 4927 | |
| 4928 prog->regflags = regflags; | |
| 4929 prog->engine = &nfa_regengine; | |
| 4930 prog->nstate = nstate; | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4931 prog->has_zend = nfa_has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4932 prog->has_backref = nfa_has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4933 prog->nsubexp = regnpar; |
| 4444 | 4934 #ifdef ENABLE_LOG |
| 4935 nfa_postfix_dump(expr, OK); | |
| 4936 nfa_dump(prog); | |
| 4937 #endif | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4938 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4939 /* 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
|
4940 prog->reghasz = re_has_z; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4941 #endif |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4942 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4943 prog->pattern = vim_strsave(expr); /* memory will leak */ |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4944 nfa_regengine.expr = NULL; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4945 #endif |
| 4444 | 4946 |
| 4947 out: | |
| 4948 vim_free(post_start); | |
| 4949 post_start = post_ptr = post_end = NULL; | |
| 4950 state_ptr = NULL; | |
| 4951 return (regprog_T *)prog; | |
| 4952 | |
| 4953 fail: | |
| 4954 vim_free(prog); | |
| 4955 prog = NULL; | |
| 4956 #ifdef ENABLE_LOG | |
| 4957 nfa_postfix_dump(expr, FAIL); | |
| 4958 #endif | |
| 4959 #ifdef DEBUG | |
| 4960 nfa_regengine.expr = NULL; | |
| 4961 #endif | |
| 4962 goto out; | |
| 4963 } | |
| 4964 | |
| 4965 | |
| 4966 /* | |
| 4967 * Match a regexp against a string. | |
| 4968 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
| 4969 * Uses curbuf for line count and 'iskeyword'. | |
| 4970 * | |
| 4971 * Return TRUE if there is a match, FALSE if not. | |
| 4972 */ | |
| 4973 static int | |
| 4974 nfa_regexec(rmp, line, col) | |
| 4975 regmatch_T *rmp; | |
| 4976 char_u *line; /* string to match against */ | |
| 4977 colnr_T col; /* column to start looking for match */ | |
| 4978 { | |
| 4979 reg_match = rmp; | |
| 4980 reg_mmatch = NULL; | |
| 4981 reg_maxline = 0; | |
| 4982 reg_line_lbr = FALSE; | |
| 4983 reg_buf = curbuf; | |
| 4984 reg_win = NULL; | |
| 4985 ireg_ic = rmp->rm_ic; | |
| 4986 #ifdef FEAT_MBYTE | |
| 4987 ireg_icombine = FALSE; | |
| 4988 #endif | |
| 4989 ireg_maxcol = 0; | |
| 4990 return (nfa_regexec_both(line, col) != 0); | |
| 4991 } | |
| 4992 | |
| 4993 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \ | |
| 4994 || defined(FIND_REPLACE_DIALOG) || defined(PROTO) | |
| 4995 | |
| 4996 static int nfa_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); | |
| 4997 | |
| 4998 /* | |
| 4999 * Like nfa_regexec(), but consider a "\n" in "line" to be a line break. | |
| 5000 */ | |
| 5001 static int | |
| 5002 nfa_regexec_nl(rmp, line, col) | |
| 5003 regmatch_T *rmp; | |
| 5004 char_u *line; /* string to match against */ | |
| 5005 colnr_T col; /* column to start looking for match */ | |
| 5006 { | |
| 5007 reg_match = rmp; | |
| 5008 reg_mmatch = NULL; | |
| 5009 reg_maxline = 0; | |
| 5010 reg_line_lbr = TRUE; | |
| 5011 reg_buf = curbuf; | |
| 5012 reg_win = NULL; | |
| 5013 ireg_ic = rmp->rm_ic; | |
| 5014 #ifdef FEAT_MBYTE | |
| 5015 ireg_icombine = FALSE; | |
| 5016 #endif | |
| 5017 ireg_maxcol = 0; | |
| 5018 return (nfa_regexec_both(line, col) != 0); | |
| 5019 } | |
| 5020 #endif | |
| 5021 | |
| 5022 | |
| 5023 /* | |
| 5024 * Match a regexp against multiple lines. | |
| 5025 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
| 5026 * Uses curbuf for line count and 'iskeyword'. | |
| 5027 * | |
| 5028 * Return zero if there is no match. Return number of lines contained in the | |
| 5029 * match otherwise. | |
| 5030 * | |
| 5031 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
| 5032 * | |
| 5033 * ! Also NOTE : match may actually be in another line. e.g.: | |
| 5034 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
| 5035 * | |
| 5036 * +-------------------------+ | |
| 5037 * |a | | |
| 5038 * |b | | |
| 5039 * |c | | |
| 5040 * | | | |
| 5041 * +-------------------------+ | |
| 5042 * | |
| 5043 * then nfa_regexec_multi() returns 3. while the original | |
| 5044 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
| 5045 * | |
| 5046 * FIXME if this behavior is not compatible. | |
| 5047 */ | |
| 5048 static long | |
| 5049 nfa_regexec_multi(rmp, win, buf, lnum, col, tm) | |
| 5050 regmmatch_T *rmp; | |
| 5051 win_T *win; /* window in which to search or NULL */ | |
| 5052 buf_T *buf; /* buffer in which to search */ | |
| 5053 linenr_T lnum; /* nr of line to start looking for match */ | |
| 5054 colnr_T col; /* column to start looking for match */ | |
| 5055 proftime_T *tm UNUSED; /* timeout limit or NULL */ | |
| 5056 { | |
| 5057 reg_match = NULL; | |
| 5058 reg_mmatch = rmp; | |
| 5059 reg_buf = buf; | |
| 5060 reg_win = win; | |
| 5061 reg_firstlnum = lnum; | |
| 5062 reg_maxline = reg_buf->b_ml.ml_line_count - lnum; | |
| 5063 reg_line_lbr = FALSE; | |
| 5064 ireg_ic = rmp->rmm_ic; | |
| 5065 #ifdef FEAT_MBYTE | |
| 5066 ireg_icombine = FALSE; | |
| 5067 #endif | |
| 5068 ireg_maxcol = rmp->rmm_maxcol; | |
| 5069 | |
| 4503 | 5070 return nfa_regexec_both(NULL, col); |
| 4444 | 5071 } |
| 5072 | |
| 5073 #ifdef DEBUG | |
| 5074 # undef ENABLE_LOG | |
| 5075 #endif |