Mercurial > vim
annotate src/regexp_nfa.c @ 4807:3dbd251777de v7.3.1150
updated for version 7.3.1150
Problem: New regexpengine: Slow when a look-behind match does not have a
width specified.
Solution: Try to compute the maximum width.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sat, 08 Jun 2013 22:30:03 +0200 |
| parents | 66803af09906 |
| children | 4d7e3df04256 |
| 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 */ | |
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37 |
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38 NFA_START_COLL, /* [abc] start */ |
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39 NFA_END_COLL, /* [abc] end */ |
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40 NFA_START_NEG_COLL, /* [^abc] start */ |
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41 NFA_END_NEG_COLL, /* [^abc] end (postfix only) */ |
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42 NFA_RANGE, /* range of the two previous items |
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43 * (postfix only) */ |
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44 NFA_RANGE_MIN, /* low end of a range */ |
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45 NFA_RANGE_MAX, /* high end of a range */ |
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46 |
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47 NFA_CONCAT, /* concatenate two previous items (postfix |
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48 * only) */ |
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49 NFA_OR, /* \| (postfix only) */ |
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50 NFA_STAR, /* greedy * (posfix only) */ |
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51 NFA_STAR_NONGREEDY, /* non-greedy * (postfix only) */ |
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52 NFA_QUEST, /* greedy \? (postfix only) */ |
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53 NFA_QUEST_NONGREEDY, /* non-greedy \? (postfix only) */ |
| 4444 | 54 |
| 55 NFA_BOL, /* ^ Begin line */ | |
| 56 NFA_EOL, /* $ End line */ | |
| 57 NFA_BOW, /* \< Begin word */ | |
| 58 NFA_EOW, /* \> End word */ | |
| 59 NFA_BOF, /* \%^ Begin file */ | |
| 60 NFA_EOF, /* \%$ End file */ | |
| 61 NFA_NEWL, | |
| 62 NFA_ZSTART, /* Used for \zs */ | |
| 63 NFA_ZEND, /* Used for \ze */ | |
| 64 NFA_NOPEN, /* Start of subexpression marked with \%( */ | |
| 65 NFA_NCLOSE, /* End of subexpr. marked with \%( ... \) */ | |
| 66 NFA_START_INVISIBLE, | |
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67 NFA_START_INVISIBLE_NEG, |
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68 NFA_START_INVISIBLE_BEFORE, |
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69 NFA_START_INVISIBLE_BEFORE_NEG, |
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70 NFA_START_PATTERN, |
| 4444 | 71 NFA_END_INVISIBLE, |
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72 NFA_END_INVISIBLE_NEG, |
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73 NFA_END_PATTERN, |
| 4444 | 74 NFA_COMPOSING, /* Next nodes in NFA are part of the |
| 75 composing multibyte char */ | |
| 76 NFA_END_COMPOSING, /* End of a composing char in the NFA */ | |
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77 NFA_OPT_CHARS, /* \%[abc] */ |
| 4444 | 78 |
| 79 /* The following are used only in the postfix form, not in the NFA */ | |
| 80 NFA_PREV_ATOM_NO_WIDTH, /* Used for \@= */ | |
| 81 NFA_PREV_ATOM_NO_WIDTH_NEG, /* Used for \@! */ | |
| 82 NFA_PREV_ATOM_JUST_BEFORE, /* Used for \@<= */ | |
| 83 NFA_PREV_ATOM_JUST_BEFORE_NEG, /* Used for \@<! */ | |
| 84 NFA_PREV_ATOM_LIKE_PATTERN, /* Used for \@> */ | |
| 85 | |
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86 NFA_BACKREF1, /* \1 */ |
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87 NFA_BACKREF2, /* \2 */ |
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88 NFA_BACKREF3, /* \3 */ |
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89 NFA_BACKREF4, /* \4 */ |
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90 NFA_BACKREF5, /* \5 */ |
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91 NFA_BACKREF6, /* \6 */ |
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92 NFA_BACKREF7, /* \7 */ |
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93 NFA_BACKREF8, /* \8 */ |
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94 NFA_BACKREF9, /* \9 */ |
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95 #ifdef FEAT_SYN_HL |
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96 NFA_ZREF1, /* \z1 */ |
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97 NFA_ZREF2, /* \z2 */ |
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98 NFA_ZREF3, /* \z3 */ |
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99 NFA_ZREF4, /* \z4 */ |
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100 NFA_ZREF5, /* \z5 */ |
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101 NFA_ZREF6, /* \z6 */ |
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102 NFA_ZREF7, /* \z7 */ |
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103 NFA_ZREF8, /* \z8 */ |
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104 NFA_ZREF9, /* \z9 */ |
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105 #endif |
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106 NFA_SKIP, /* Skip characters */ |
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107 |
| 4444 | 108 NFA_MOPEN, |
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109 NFA_MOPEN1, |
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110 NFA_MOPEN2, |
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111 NFA_MOPEN3, |
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112 NFA_MOPEN4, |
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113 NFA_MOPEN5, |
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114 NFA_MOPEN6, |
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115 NFA_MOPEN7, |
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116 NFA_MOPEN8, |
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117 NFA_MOPEN9, |
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118 |
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119 NFA_MCLOSE, |
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120 NFA_MCLOSE1, |
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121 NFA_MCLOSE2, |
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122 NFA_MCLOSE3, |
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123 NFA_MCLOSE4, |
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124 NFA_MCLOSE5, |
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125 NFA_MCLOSE6, |
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126 NFA_MCLOSE7, |
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127 NFA_MCLOSE8, |
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128 NFA_MCLOSE9, |
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129 |
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130 #ifdef FEAT_SYN_HL |
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131 NFA_ZOPEN, |
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132 NFA_ZOPEN1, |
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133 NFA_ZOPEN2, |
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134 NFA_ZOPEN3, |
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135 NFA_ZOPEN4, |
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136 NFA_ZOPEN5, |
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137 NFA_ZOPEN6, |
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138 NFA_ZOPEN7, |
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139 NFA_ZOPEN8, |
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140 NFA_ZOPEN9, |
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141 |
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142 NFA_ZCLOSE, |
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143 NFA_ZCLOSE1, |
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144 NFA_ZCLOSE2, |
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145 NFA_ZCLOSE3, |
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146 NFA_ZCLOSE4, |
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147 NFA_ZCLOSE5, |
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148 NFA_ZCLOSE6, |
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149 NFA_ZCLOSE7, |
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150 NFA_ZCLOSE8, |
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151 NFA_ZCLOSE9, |
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152 #endif |
| 4444 | 153 |
| 154 /* NFA_FIRST_NL */ | |
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155 NFA_ANY, /* Match any one character. */ |
| 4444 | 156 NFA_IDENT, /* Match identifier char */ |
| 157 NFA_SIDENT, /* Match identifier char but no digit */ | |
| 158 NFA_KWORD, /* Match keyword char */ | |
| 159 NFA_SKWORD, /* Match word char but no digit */ | |
| 160 NFA_FNAME, /* Match file name char */ | |
| 161 NFA_SFNAME, /* Match file name char but no digit */ | |
| 162 NFA_PRINT, /* Match printable char */ | |
| 163 NFA_SPRINT, /* Match printable char but no digit */ | |
| 164 NFA_WHITE, /* Match whitespace char */ | |
| 165 NFA_NWHITE, /* Match non-whitespace char */ | |
| 166 NFA_DIGIT, /* Match digit char */ | |
| 167 NFA_NDIGIT, /* Match non-digit char */ | |
| 168 NFA_HEX, /* Match hex char */ | |
| 169 NFA_NHEX, /* Match non-hex char */ | |
| 170 NFA_OCTAL, /* Match octal char */ | |
| 171 NFA_NOCTAL, /* Match non-octal char */ | |
| 172 NFA_WORD, /* Match word char */ | |
| 173 NFA_NWORD, /* Match non-word char */ | |
| 174 NFA_HEAD, /* Match head char */ | |
| 175 NFA_NHEAD, /* Match non-head char */ | |
| 176 NFA_ALPHA, /* Match alpha char */ | |
| 177 NFA_NALPHA, /* Match non-alpha char */ | |
| 178 NFA_LOWER, /* Match lowercase char */ | |
| 179 NFA_NLOWER, /* Match non-lowercase char */ | |
| 180 NFA_UPPER, /* Match uppercase char */ | |
| 181 NFA_NUPPER, /* Match non-uppercase char */ | |
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182 |
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183 NFA_CURSOR, /* Match cursor pos */ |
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184 NFA_LNUM, /* Match line number */ |
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185 NFA_LNUM_GT, /* Match > line number */ |
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186 NFA_LNUM_LT, /* Match < line number */ |
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187 NFA_COL, /* Match cursor column */ |
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188 NFA_COL_GT, /* Match > cursor column */ |
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189 NFA_COL_LT, /* Match < cursor column */ |
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190 NFA_VCOL, /* Match cursor virtual column */ |
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191 NFA_VCOL_GT, /* Match > cursor virtual column */ |
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192 NFA_VCOL_LT, /* Match < cursor virtual column */ |
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193 NFA_MARK, /* Match mark */ |
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194 NFA_MARK_GT, /* Match > mark */ |
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195 NFA_MARK_LT, /* Match < mark */ |
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196 NFA_VISUAL, /* Match Visual area */ |
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197 |
| 4444 | 198 NFA_FIRST_NL = NFA_ANY + ADD_NL, |
| 199 NFA_LAST_NL = NFA_NUPPER + ADD_NL, | |
| 200 | |
| 201 /* Character classes [:alnum:] etc */ | |
| 202 NFA_CLASS_ALNUM, | |
| 203 NFA_CLASS_ALPHA, | |
| 204 NFA_CLASS_BLANK, | |
| 205 NFA_CLASS_CNTRL, | |
| 206 NFA_CLASS_DIGIT, | |
| 207 NFA_CLASS_GRAPH, | |
| 208 NFA_CLASS_LOWER, | |
| 209 NFA_CLASS_PRINT, | |
| 210 NFA_CLASS_PUNCT, | |
| 211 NFA_CLASS_SPACE, | |
| 212 NFA_CLASS_UPPER, | |
| 213 NFA_CLASS_XDIGIT, | |
| 214 NFA_CLASS_TAB, | |
| 215 NFA_CLASS_RETURN, | |
| 216 NFA_CLASS_BACKSPACE, | |
| 217 NFA_CLASS_ESCAPE | |
| 218 }; | |
| 219 | |
| 220 /* Keep in sync with classchars. */ | |
| 221 static int nfa_classcodes[] = { | |
| 222 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD, | |
| 223 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT, | |
| 224 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT, | |
| 225 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL, | |
| 226 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD, | |
| 227 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER, | |
| 228 NFA_UPPER, NFA_NUPPER | |
| 229 }; | |
| 230 | |
| 231 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); | |
| 232 | |
| 233 /* NFA regexp \ze operator encountered. */ | |
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234 static int nfa_has_zend; |
| 4444 | 235 |
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236 /* NFA regexp \1 .. \9 encountered. */ |
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237 static int nfa_has_backref; |
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238 |
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239 #ifdef FEAT_SYN_HL |
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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 #endif |
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243 |
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244 /* Number of sub expressions actually being used during execution. 1 if only |
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245 * the whole match (subexpr 0) is used. */ |
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246 static int nfa_nsubexpr; |
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247 |
| 4444 | 248 static int *post_start; /* holds the postfix form of r.e. */ |
| 249 static int *post_end; | |
| 250 static int *post_ptr; | |
| 251 | |
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252 static int nstate; /* Number of states in the NFA. Also used when |
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253 * executing. */ |
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254 static int istate; /* Index in the state vector, used in alloc_state() */ |
| 4444 | 255 |
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256 /* If not NULL match must end at this position */ |
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257 static save_se_T *nfa_endp = NULL; |
| 4444 | 258 |
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259 /* listid is global, so that it increases on recursive calls to |
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260 * nfa_regmatch(), which means we don't have to clear the lastlist field of |
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261 * all the states. */ |
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262 static int nfa_listid; |
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263 static int nfa_alt_listid; |
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264 |
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265 /* 0 for first call to nfa_regmatch(), 1 for recursive call. */ |
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266 static int nfa_ll_index = 0; |
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267 |
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268 static int nfa_regcomp_start __ARGS((char_u *expr, int re_flags)); |
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269 static int nfa_get_reganch __ARGS((nfa_state_T *start, int depth)); |
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270 static int nfa_get_regstart __ARGS((nfa_state_T *start, int depth)); |
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271 static char_u *nfa_get_match_text __ARGS((nfa_state_T *start)); |
| 4444 | 272 static int nfa_recognize_char_class __ARGS((char_u *start, char_u *end, int extra_newl)); |
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273 static int nfa_emit_equi_class __ARGS((int c)); |
| 4444 | 274 static int nfa_regatom __ARGS((void)); |
| 275 static int nfa_regpiece __ARGS((void)); | |
| 276 static int nfa_regconcat __ARGS((void)); | |
| 277 static int nfa_regbranch __ARGS((void)); | |
| 278 static int nfa_reg __ARGS((int paren)); | |
| 279 #ifdef DEBUG | |
| 280 static void nfa_set_code __ARGS((int c)); | |
| 281 static void nfa_postfix_dump __ARGS((char_u *expr, int retval)); | |
|
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282 static void nfa_print_state __ARGS((FILE *debugf, nfa_state_T *state)); |
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283 static void nfa_print_state2 __ARGS((FILE *debugf, nfa_state_T *state, garray_T *indent)); |
| 4444 | 284 static void nfa_dump __ARGS((nfa_regprog_T *prog)); |
| 285 #endif | |
| 286 static int *re2post __ARGS((void)); | |
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287 static nfa_state_T *alloc_state __ARGS((int c, nfa_state_T *out, nfa_state_T *out1)); |
| 4444 | 288 static nfa_state_T *post2nfa __ARGS((int *postfix, int *end, int nfa_calc_size)); |
| 289 static int check_char_class __ARGS((int class, int c)); | |
| 290 static void st_error __ARGS((int *postfix, int *end, int *p)); | |
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291 static void nfa_save_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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292 static void nfa_restore_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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293 static int nfa_re_num_cmp __ARGS((long_u val, int op, long_u pos)); |
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294 static long nfa_regtry __ARGS((nfa_regprog_T *prog, colnr_T col)); |
| 4444 | 295 static long nfa_regexec_both __ARGS((char_u *line, colnr_T col)); |
| 296 static regprog_T *nfa_regcomp __ARGS((char_u *expr, int re_flags)); | |
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297 static void nfa_regfree __ARGS((regprog_T *prog)); |
| 4444 | 298 static int nfa_regexec __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); |
| 299 static long nfa_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm)); | |
| 300 | |
| 301 /* helper functions used when doing re2post() ... regatom() parsing */ | |
| 302 #define EMIT(c) do { \ | |
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303 if (post_ptr >= post_end && realloc_post_list() == FAIL) \ |
| 4444 | 304 return FAIL; \ |
| 305 *post_ptr++ = c; \ | |
| 306 } while (0) | |
| 307 | |
| 308 /* | |
| 309 * Initialize internal variables before NFA compilation. | |
| 310 * Return OK on success, FAIL otherwise. | |
| 311 */ | |
| 312 static int | |
| 313 nfa_regcomp_start(expr, re_flags) | |
| 314 char_u *expr; | |
| 315 int re_flags; /* see vim_regcomp() */ | |
| 316 { | |
| 4458 | 317 size_t postfix_size; |
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318 int nstate_max; |
| 4444 | 319 |
| 320 nstate = 0; | |
| 321 istate = 0; | |
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322 /* A reasonable estimation for maximum size */ |
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323 nstate_max = (int)(STRLEN(expr) + 1) * 25; |
| 4444 | 324 |
| 4454 | 325 /* Some items blow up in size, such as [A-z]. Add more space for that. |
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326 * When it is still not enough realloc_post_list() will be used. */ |
| 4458 | 327 nstate_max += 1000; |
| 4454 | 328 |
| 329 /* Size for postfix representation of expr. */ | |
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330 postfix_size = sizeof(int) * nstate_max; |
| 4454 | 331 |
| 4444 | 332 post_start = (int *)lalloc(postfix_size, TRUE); |
| 333 if (post_start == NULL) | |
| 334 return FAIL; | |
| 335 post_ptr = post_start; | |
| 4454 | 336 post_end = post_start + nstate_max; |
| 4444 | 337 nfa_has_zend = FALSE; |
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338 nfa_has_backref = FALSE; |
| 4444 | 339 |
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340 /* shared with BT engine */ |
| 4444 | 341 regcomp_start(expr, re_flags); |
| 342 | |
| 343 return OK; | |
| 344 } | |
| 345 | |
| 346 /* | |
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347 * Figure out if the NFA state list starts with an anchor, must match at start |
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348 * of the line. |
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349 */ |
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350 static int |
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351 nfa_get_reganch(start, depth) |
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352 nfa_state_T *start; |
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353 int depth; |
|
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354 { |
|
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|
355 nfa_state_T *p = start; |
|
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|
356 |
|
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|
357 if (depth > 4) |
|
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|
358 return 0; |
|
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|
359 |
|
03375ccf28a2
updated for version 7.3.1133
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|
360 while (p != NULL) |
|
03375ccf28a2
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|
361 { |
|
03375ccf28a2
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|
362 switch (p->c) |
|
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|
363 { |
|
03375ccf28a2
updated for version 7.3.1133
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|
364 case NFA_BOL: |
|
03375ccf28a2
updated for version 7.3.1133
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|
365 case NFA_BOF: |
|
03375ccf28a2
updated for version 7.3.1133
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|
366 return 1; /* yes! */ |
|
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updated for version 7.3.1133
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|
367 |
|
03375ccf28a2
updated for version 7.3.1133
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|
368 case NFA_ZSTART: |
|
03375ccf28a2
updated for version 7.3.1133
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|
369 case NFA_ZEND: |
|
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updated for version 7.3.1133
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|
370 case NFA_CURSOR: |
|
03375ccf28a2
updated for version 7.3.1133
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|
371 case NFA_VISUAL: |
|
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updated for version 7.3.1133
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|
372 |
|
03375ccf28a2
updated for version 7.3.1133
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|
373 case NFA_MOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
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|
374 case NFA_MOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
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|
375 case NFA_MOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
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|
376 case NFA_MOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
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|
377 case NFA_MOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
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|
378 case NFA_MOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
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|
379 case NFA_MOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
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|
380 case NFA_MOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
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|
381 case NFA_MOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
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|
382 case NFA_MOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
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|
383 case NFA_NOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
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|
384 #ifdef FEAT_SYN_HL |
|
03375ccf28a2
updated for version 7.3.1133
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|
385 case NFA_ZOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
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|
386 case NFA_ZOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
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|
387 case NFA_ZOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
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|
388 case NFA_ZOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
389 case NFA_ZOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
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|
390 case NFA_ZOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
391 case NFA_ZOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
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|
392 case NFA_ZOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
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|
393 case NFA_ZOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
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|
394 case NFA_ZOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
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|
395 #endif |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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|
396 p = p->out; |
|
03375ccf28a2
updated for version 7.3.1133
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|
397 break; |
|
03375ccf28a2
updated for version 7.3.1133
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|
398 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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|
399 case NFA_SPLIT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
400 return nfa_get_reganch(p->out, depth + 1) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
401 && nfa_get_reganch(p->out1, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
402 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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|
403 default: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
404 return 0; /* noooo */ |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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|
405 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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|
406 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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|
407 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
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|
408 } |
|
03375ccf28a2
updated for version 7.3.1133
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|
409 |
|
03375ccf28a2
updated for version 7.3.1133
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|
410 /* |
|
03375ccf28a2
updated for version 7.3.1133
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|
411 * Figure out if the NFA state list starts with a character which must match |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
412 * at start of the match. |
|
03375ccf28a2
updated for version 7.3.1133
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|
413 */ |
|
03375ccf28a2
updated for version 7.3.1133
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|
414 static int |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
415 nfa_get_regstart(start, depth) |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
416 nfa_state_T *start; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
417 int depth; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
418 { |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
419 nfa_state_T *p = start; |
|
03375ccf28a2
updated for version 7.3.1133
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changeset
|
420 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
421 if (depth > 4) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
422 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
423 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
424 while (p != NULL) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
425 { |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
426 switch (p->c) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
427 { |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
428 /* all kinds of zero-width matches */ |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
429 case NFA_BOL: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
430 case NFA_BOF: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
431 case NFA_BOW: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
432 case NFA_EOW: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
433 case NFA_ZSTART: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
434 case NFA_ZEND: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
435 case NFA_CURSOR: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
436 case NFA_VISUAL: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
437 case NFA_LNUM: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
438 case NFA_LNUM_GT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
439 case NFA_LNUM_LT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
440 case NFA_COL: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
441 case NFA_COL_GT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
442 case NFA_COL_LT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
443 case NFA_VCOL: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
444 case NFA_VCOL_GT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
445 case NFA_VCOL_LT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
446 case NFA_MARK: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
447 case NFA_MARK_GT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
448 case NFA_MARK_LT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
449 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
450 case NFA_MOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
451 case NFA_MOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
452 case NFA_MOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
453 case NFA_MOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
454 case NFA_MOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
455 case NFA_MOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
456 case NFA_MOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
457 case NFA_MOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
458 case NFA_MOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
459 case NFA_MOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
460 case NFA_NOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
461 #ifdef FEAT_SYN_HL |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
462 case NFA_ZOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
463 case NFA_ZOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
464 case NFA_ZOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
465 case NFA_ZOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
466 case NFA_ZOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
467 case NFA_ZOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
468 case NFA_ZOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
469 case NFA_ZOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
470 case NFA_ZOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
471 case NFA_ZOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
472 #endif |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
473 p = p->out; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
474 break; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
475 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
476 case NFA_SPLIT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
477 { |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
478 int c1 = nfa_get_regstart(p->out, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
479 int c2 = nfa_get_regstart(p->out1, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
480 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
481 if (c1 == c2) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
482 return c1; /* yes! */ |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
483 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
484 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
485 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
486 default: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
487 if (p->c > 0) |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
488 return p->c; /* yes! */ |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
489 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
490 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
491 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
492 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
493 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
494 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
495 /* |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
496 * Figure out if the NFA state list contains just literal text and nothing |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
497 * else. If so return a string in allocated memory with what must match after |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
498 * regstart. Otherwise return NULL. |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
499 */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
500 static char_u * |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
501 nfa_get_match_text(start) |
|
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
changeset
|
502 nfa_state_T *start; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
503 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
504 nfa_state_T *p = start; |
|
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
changeset
|
505 int len = 0; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
506 char_u *ret; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
507 char_u *s; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
508 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
509 if (p->c != NFA_MOPEN) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
510 return NULL; /* just in case */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
511 p = p->out; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
512 while (p->c > 0) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
513 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
514 len += MB_CHAR2LEN(p->c); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
515 p = p->out; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
516 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
517 if (p->c != NFA_MCLOSE || p->out->c != NFA_MATCH) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
518 return NULL; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
519 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
520 ret = alloc(len); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
521 if (ret != NULL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
522 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
523 len = 0; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
524 p = start->out->out; /* skip first char, it goes into regstart */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
525 s = ret; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
526 while (p->c > 0) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
527 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
528 #ifdef FEAT_MBYTE |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
529 if (has_mbyte) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
530 s += (*mb_char2bytes)(p->c, s); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
531 else |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
532 #endif |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
533 *s++ = p->c; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
534 p = p->out; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
535 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
536 *s = NUL; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
537 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
538 return ret; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
539 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
540 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
541 /* |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
542 * Allocate more space for post_start. Called when |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
543 * running above the estimated number of states. |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
544 */ |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
545 static int |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
546 realloc_post_list() |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
547 { |
|
4667
9e7ef781d494
updated for version 7.3.1081
Bram Moolenaar <bram@vim.org>
parents:
4661
diff
changeset
|
548 int nstate_max = (int)(post_end - post_start); |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
549 int new_max = nstate_max + 1000; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
550 int *new_start; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
551 int *old_start; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
552 |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
553 new_start = (int *)lalloc(new_max * sizeof(int), TRUE); |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
554 if (new_start == NULL) |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
555 return FAIL; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
556 mch_memmove(new_start, post_start, nstate_max * sizeof(int)); |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
557 old_start = post_start; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
558 post_start = new_start; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
559 post_ptr = new_start + (post_ptr - old_start); |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
560 post_end = post_start + new_max; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
561 vim_free(old_start); |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
562 return OK; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
563 } |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
564 |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
565 /* |
| 4444 | 566 * Search between "start" and "end" and try to recognize a |
| 567 * character class in expanded form. For example [0-9]. | |
| 568 * On success, return the id the character class to be emitted. | |
| 569 * On failure, return 0 (=FAIL) | |
| 570 * Start points to the first char of the range, while end should point | |
| 571 * to the closing brace. | |
| 572 */ | |
| 573 static int | |
| 574 nfa_recognize_char_class(start, end, extra_newl) | |
| 575 char_u *start; | |
| 576 char_u *end; | |
| 577 int extra_newl; | |
| 578 { | |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
579 # define CLASS_not 0x80 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
580 # define CLASS_af 0x40 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
581 # define CLASS_AF 0x20 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
582 # define CLASS_az 0x10 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
583 # define CLASS_AZ 0x08 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
584 # define CLASS_o7 0x04 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
585 # define CLASS_o9 0x02 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
586 # define CLASS_underscore 0x01 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
587 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
588 int newl = FALSE; |
| 4444 | 589 char_u *p; |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
590 int config = 0; |
| 4444 | 591 |
| 592 if (extra_newl == TRUE) | |
| 593 newl = TRUE; | |
| 594 | |
| 595 if (*end != ']') | |
| 596 return FAIL; | |
| 597 p = start; | |
| 598 if (*p == '^') | |
| 599 { | |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
600 config |= CLASS_not; |
|
4720
bd6bef0bd0fb
updated for version 7.3.1107
Bram Moolenaar <bram@vim.org>
parents:
4718
diff
changeset
|
601 p++; |
| 4444 | 602 } |
| 603 | |
| 604 while (p < end) | |
| 605 { | |
| 606 if (p + 2 < end && *(p + 1) == '-') | |
| 607 { | |
| 608 switch (*p) | |
| 609 { | |
| 610 case '0': | |
| 611 if (*(p + 2) == '9') | |
| 612 { | |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
613 config |= CLASS_o9; |
| 4444 | 614 break; |
| 615 } | |
| 616 else | |
| 617 if (*(p + 2) == '7') | |
| 618 { | |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
619 config |= CLASS_o7; |
| 4444 | 620 break; |
| 621 } | |
| 622 case 'a': | |
| 623 if (*(p + 2) == 'z') | |
| 624 { | |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
625 config |= CLASS_az; |
| 4444 | 626 break; |
| 627 } | |
| 628 else | |
| 629 if (*(p + 2) == 'f') | |
| 630 { | |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
631 config |= CLASS_af; |
| 4444 | 632 break; |
| 633 } | |
| 634 case 'A': | |
| 635 if (*(p + 2) == 'Z') | |
| 636 { | |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
637 config |= CLASS_AZ; |
| 4444 | 638 break; |
| 639 } | |
| 640 else | |
| 641 if (*(p + 2) == 'F') | |
| 642 { | |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
643 config |= CLASS_AF; |
| 4444 | 644 break; |
| 645 } | |
| 646 /* FALLTHROUGH */ | |
| 647 default: | |
| 648 return FAIL; | |
| 649 } | |
| 650 p += 3; | |
| 651 } | |
| 652 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
| 653 { | |
| 654 newl = TRUE; | |
| 655 p += 2; | |
| 656 } | |
| 657 else if (*p == '_') | |
| 658 { | |
|
4728
43de4ebbe7ad
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4726
diff
changeset
|
659 config |= CLASS_underscore; |
| 4444 | 660 p ++; |
| 661 } | |
| 662 else if (*p == '\n') | |
| 663 { | |
| 664 newl = TRUE; | |
| 665 p ++; | |
| 666 } | |
| 667 else | |
| 668 return FAIL; | |
| 669 } /* while (p < end) */ | |
| 670 | |
| 671 if (p != end) | |
| 672 return FAIL; | |
| 673 | |
| 674 if (newl == TRUE) | |
|
4728
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updated for version 7.3.1111
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parents:
4726
diff
changeset
|
675 extra_newl = ADD_NL; |
|
43de4ebbe7ad
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parents:
4726
diff
changeset
|
676 |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
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diff
changeset
|
677 switch (config) |
| 4444 | 678 { |
|
4728
43de4ebbe7ad
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diff
changeset
|
679 case CLASS_o9: |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
680 return extra_newl + NFA_DIGIT; |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
681 case CLASS_not | CLASS_o9: |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
682 return extra_newl + NFA_NDIGIT; |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
683 case CLASS_af | CLASS_AF | CLASS_o9: |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
684 return extra_newl + NFA_HEX; |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
685 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9: |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
686 return extra_newl + NFA_NHEX; |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
687 case CLASS_o7: |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
688 return extra_newl + NFA_OCTAL; |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
689 case CLASS_not | CLASS_o7: |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
690 return extra_newl + NFA_NOCTAL; |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
691 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
692 return extra_newl + NFA_WORD; |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
693 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
694 return extra_newl + NFA_NWORD; |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
695 case CLASS_az | CLASS_AZ | CLASS_underscore: |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
696 return extra_newl + NFA_HEAD; |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
697 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore: |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
698 return extra_newl + NFA_NHEAD; |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
699 case CLASS_az | CLASS_AZ: |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
700 return extra_newl + NFA_ALPHA; |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
701 case CLASS_not | CLASS_az | CLASS_AZ: |
|
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
702 return extra_newl + NFA_NALPHA; |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
703 case CLASS_az: |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
704 return extra_newl + NFA_LOWER; |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
705 case CLASS_not | CLASS_az: |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
706 return extra_newl + NFA_NLOWER; |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
707 case CLASS_AZ: |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
708 return extra_newl + NFA_UPPER; |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
709 case CLASS_not | CLASS_AZ: |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
710 return extra_newl + NFA_NUPPER; |
| 4444 | 711 } |
| 712 return FAIL; | |
| 713 } | |
| 714 | |
| 715 /* | |
| 716 * Produce the bytes for equivalence class "c". | |
| 717 * Currently only handles latin1, latin9 and utf-8. | |
| 718 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
| 719 * equivalent to 'a OR b OR c' | |
| 720 * | |
| 721 * NOTE! When changing this function, also update reg_equi_class() | |
| 722 */ | |
| 723 static int | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
724 nfa_emit_equi_class(c) |
| 4444 | 725 int c; |
| 726 { | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
727 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT); |
| 4444 | 728 |
| 729 #ifdef FEAT_MBYTE | |
| 730 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 | |
| 731 || STRCMP(p_enc, "iso-8859-15") == 0) | |
| 732 #endif | |
| 733 { | |
| 734 switch (c) | |
| 735 { | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
736 case 'A': case 0300: case 0301: case 0302: |
|
c02c7df9bdc9
updated for version 7.3.1137
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parents:
4772
diff
changeset
|
737 case 0303: case 0304: case 0305: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
738 EMIT2('A'); EMIT2(0300); EMIT2(0301); |
|
c02c7df9bdc9
updated for version 7.3.1137
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parents:
4772
diff
changeset
|
739 EMIT2(0302); EMIT2(0303); EMIT2(0304); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
740 EMIT2(0305); |
| 4444 | 741 return OK; |
| 742 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
743 case 'C': case 0307: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
744 EMIT2('C'); EMIT2(0307); |
| 4444 | 745 return OK; |
| 746 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
747 case 'E': case 0310: case 0311: case 0312: case 0313: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
748 EMIT2('E'); EMIT2(0310); EMIT2(0311); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
749 EMIT2(0312); EMIT2(0313); |
| 4444 | 750 return OK; |
| 751 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
752 case 'I': case 0314: case 0315: case 0316: case 0317: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
753 EMIT2('I'); EMIT2(0314); EMIT2(0315); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
754 EMIT2(0316); EMIT2(0317); |
| 4444 | 755 return OK; |
| 756 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
757 case 'N': case 0321: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
758 EMIT2('N'); EMIT2(0321); |
| 4444 | 759 return OK; |
| 760 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
761 case 'O': case 0322: case 0323: case 0324: case 0325: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
762 case 0326: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
763 EMIT2('O'); EMIT2(0322); EMIT2(0323); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
764 EMIT2(0324); EMIT2(0325); EMIT2(0326); |
| 4444 | 765 return OK; |
| 766 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
767 case 'U': case 0331: case 0332: case 0333: case 0334: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
768 EMIT2('U'); EMIT2(0331); EMIT2(0332); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
769 EMIT2(0333); EMIT2(0334); |
| 4444 | 770 return OK; |
| 771 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
772 case 'Y': case 0335: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
773 EMIT2('Y'); EMIT2(0335); |
| 4444 | 774 return OK; |
| 775 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
776 case 'a': case 0340: case 0341: case 0342: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
777 case 0343: case 0344: case 0345: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
778 EMIT2('a'); EMIT2(0340); EMIT2(0341); |
|
c02c7df9bdc9
updated for version 7.3.1137
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parents:
4772
diff
changeset
|
779 EMIT2(0342); EMIT2(0343); EMIT2(0344); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
780 EMIT2(0345); |
| 4444 | 781 return OK; |
| 782 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
783 case 'c': case 0347: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
784 EMIT2('c'); EMIT2(0347); |
| 4444 | 785 return OK; |
| 786 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
787 case 'e': case 0350: case 0351: case 0352: case 0353: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
788 EMIT2('e'); EMIT2(0350); EMIT2(0351); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
789 EMIT2(0352); EMIT2(0353); |
| 4444 | 790 return OK; |
| 791 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
792 case 'i': case 0354: case 0355: case 0356: case 0357: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
793 EMIT2('i'); EMIT2(0354); EMIT2(0355); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
794 EMIT2(0356); EMIT2(0357); |
| 4444 | 795 return OK; |
| 796 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
797 case 'n': case 0361: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
798 EMIT2('n'); EMIT2(0361); |
| 4444 | 799 return OK; |
| 800 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
801 case 'o': case 0362: case 0363: case 0364: case 0365: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
802 case 0366: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
803 EMIT2('o'); EMIT2(0362); EMIT2(0363); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
804 EMIT2(0364); EMIT2(0365); EMIT2(0366); |
| 4444 | 805 return OK; |
| 806 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
807 case 'u': case 0371: case 0372: case 0373: case 0374: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
808 EMIT2('u'); EMIT2(0371); EMIT2(0372); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
809 EMIT2(0373); EMIT2(0374); |
| 4444 | 810 return OK; |
| 811 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
812 case 'y': case 0375: case 0377: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
813 EMIT2('y'); EMIT2(0375); EMIT2(0377); |
| 4444 | 814 return OK; |
| 815 | |
| 816 default: | |
| 817 return FAIL; | |
| 818 } | |
| 819 } | |
| 820 | |
| 821 EMIT(c); | |
| 822 return OK; | |
| 823 #undef EMIT2 | |
| 824 } | |
| 825 | |
| 826 /* | |
| 827 * Code to parse regular expression. | |
| 828 * | |
| 829 * We try to reuse parsing functions in regexp.c to | |
| 830 * minimize surprise and keep the syntax consistent. | |
| 831 */ | |
| 832 | |
| 833 /* | |
| 834 * Parse the lowest level. | |
| 835 * | |
| 836 * An atom can be one of a long list of items. Many atoms match one character | |
| 837 * in the text. It is often an ordinary character or a character class. | |
| 838 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
| 839 * is only for syntax highlighting. | |
| 840 * | |
| 841 * atom ::= ordinary-atom | |
| 842 * or \( pattern \) | |
| 843 * or \%( pattern \) | |
| 844 * or \z( pattern \) | |
| 845 */ | |
| 846 static int | |
| 847 nfa_regatom() | |
| 848 { | |
| 849 int c; | |
| 850 int charclass; | |
| 851 int equiclass; | |
| 852 int collclass; | |
| 853 int got_coll_char; | |
| 854 char_u *p; | |
| 855 char_u *endp; | |
| 856 #ifdef FEAT_MBYTE | |
| 857 char_u *old_regparse = regparse; | |
| 858 #endif | |
| 859 int extra = 0; | |
| 860 int emit_range; | |
| 861 int negated; | |
| 862 int result; | |
| 863 int startc = -1; | |
| 864 int endc = -1; | |
| 865 int oldstartc = -1; | |
| 866 | |
| 867 c = getchr(); | |
| 868 switch (c) | |
| 869 { | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
870 case NUL: |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
871 EMSG_RET_FAIL(_("E865: (NFA) Regexp end encountered prematurely")); |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
872 |
| 4444 | 873 case Magic('^'): |
| 874 EMIT(NFA_BOL); | |
| 875 break; | |
| 876 | |
| 877 case Magic('$'): | |
| 878 EMIT(NFA_EOL); | |
| 879 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 880 had_eol = TRUE; | |
| 881 #endif | |
| 882 break; | |
| 883 | |
| 884 case Magic('<'): | |
| 885 EMIT(NFA_BOW); | |
| 886 break; | |
| 887 | |
| 888 case Magic('>'): | |
| 889 EMIT(NFA_EOW); | |
| 890 break; | |
| 891 | |
| 892 case Magic('_'): | |
| 893 c = no_Magic(getchr()); | |
| 894 if (c == '^') /* "\_^" is start-of-line */ | |
| 895 { | |
| 896 EMIT(NFA_BOL); | |
| 897 break; | |
| 898 } | |
| 899 if (c == '$') /* "\_$" is end-of-line */ | |
| 900 { | |
| 901 EMIT(NFA_EOL); | |
| 902 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 903 had_eol = TRUE; | |
| 904 #endif | |
| 905 break; | |
| 906 } | |
| 907 | |
| 908 extra = ADD_NL; | |
| 909 | |
| 910 /* "\_[" is collection plus newline */ | |
| 911 if (c == '[') | |
|
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents:
4515
diff
changeset
|
912 goto collection; |
| 4444 | 913 |
| 914 /* "\_x" is character class plus newline */ | |
| 915 /*FALLTHROUGH*/ | |
| 916 | |
| 917 /* | |
| 918 * Character classes. | |
| 919 */ | |
| 920 case Magic('.'): | |
| 921 case Magic('i'): | |
| 922 case Magic('I'): | |
| 923 case Magic('k'): | |
| 924 case Magic('K'): | |
| 925 case Magic('f'): | |
| 926 case Magic('F'): | |
| 927 case Magic('p'): | |
| 928 case Magic('P'): | |
| 929 case Magic('s'): | |
| 930 case Magic('S'): | |
| 931 case Magic('d'): | |
| 932 case Magic('D'): | |
| 933 case Magic('x'): | |
| 934 case Magic('X'): | |
| 935 case Magic('o'): | |
| 936 case Magic('O'): | |
| 937 case Magic('w'): | |
| 938 case Magic('W'): | |
| 939 case Magic('h'): | |
| 940 case Magic('H'): | |
| 941 case Magic('a'): | |
| 942 case Magic('A'): | |
| 943 case Magic('l'): | |
| 944 case Magic('L'): | |
| 945 case Magic('u'): | |
| 946 case Magic('U'): | |
| 947 p = vim_strchr(classchars, no_Magic(c)); | |
| 948 if (p == NULL) | |
| 949 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
950 EMSGN("INTERNAL: Unknown character class char: %ld", c); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
951 return FAIL; |
| 4444 | 952 } |
| 953 #ifdef FEAT_MBYTE | |
| 954 /* When '.' is followed by a composing char ignore the dot, so that | |
| 955 * the composing char is matched here. */ | |
| 956 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) | |
| 957 { | |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
958 old_regparse = regparse; |
| 4444 | 959 c = getchr(); |
| 960 goto nfa_do_multibyte; | |
| 961 } | |
| 962 #endif | |
| 963 EMIT(nfa_classcodes[p - classchars]); | |
| 964 if (extra == ADD_NL) | |
| 965 { | |
| 966 EMIT(NFA_NEWL); | |
| 967 EMIT(NFA_OR); | |
| 968 regflags |= RF_HASNL; | |
| 969 } | |
| 970 break; | |
| 971 | |
| 972 case Magic('n'): | |
| 973 if (reg_string) | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
974 /* In a string "\n" matches a newline character. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
975 EMIT(NL); |
| 4444 | 976 else |
| 977 { | |
| 978 /* In buffer text "\n" matches the end of a line. */ | |
| 979 EMIT(NFA_NEWL); | |
| 980 regflags |= RF_HASNL; | |
| 981 } | |
| 982 break; | |
| 983 | |
| 984 case Magic('('): | |
| 985 if (nfa_reg(REG_PAREN) == FAIL) | |
| 986 return FAIL; /* cascaded error */ | |
| 987 break; | |
| 988 | |
| 989 case Magic('|'): | |
| 990 case Magic('&'): | |
| 991 case Magic(')'): | |
| 4450 | 992 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 993 return FAIL; |
| 994 | |
| 995 case Magic('='): | |
| 996 case Magic('?'): | |
| 997 case Magic('+'): | |
| 998 case Magic('@'): | |
| 999 case Magic('*'): | |
| 1000 case Magic('{'): | |
| 1001 /* these should follow an atom, not form an atom */ | |
| 4450 | 1002 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 1003 return FAIL; |
| 1004 | |
|
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1005 case Magic('~'): |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1006 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1007 char_u *lp; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1008 |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1009 /* Previous substitute pattern. |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1010 * Generated as "\%(pattern\)". */ |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1011 if (reg_prev_sub == NULL) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1012 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1013 EMSG(_(e_nopresub)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1014 return FAIL; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1015 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1016 for (lp = reg_prev_sub; *lp != NUL; mb_cptr_adv(lp)) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1017 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1018 EMIT(PTR2CHAR(lp)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1019 if (lp != reg_prev_sub) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1020 EMIT(NFA_CONCAT); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1021 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1022 EMIT(NFA_NOPEN); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1023 break; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1024 } |
| 4444 | 1025 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1026 case Magic('1'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1027 case Magic('2'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1028 case Magic('3'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1029 case Magic('4'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1030 case Magic('5'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1031 case Magic('6'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1032 case Magic('7'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1033 case Magic('8'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1034 case Magic('9'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1035 EMIT(NFA_BACKREF1 + (no_Magic(c) - '1')); |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1036 nfa_has_backref = TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1037 break; |
| 4444 | 1038 |
| 1039 case Magic('z'): | |
| 1040 c = no_Magic(getchr()); | |
| 1041 switch (c) | |
| 1042 { | |
| 1043 case 's': | |
| 1044 EMIT(NFA_ZSTART); | |
| 1045 break; | |
| 1046 case 'e': | |
| 1047 EMIT(NFA_ZEND); | |
| 1048 nfa_has_zend = TRUE; | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
1049 break; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1050 #ifdef FEAT_SYN_HL |
| 4444 | 1051 case '1': |
| 1052 case '2': | |
| 1053 case '3': | |
| 1054 case '4': | |
| 1055 case '5': | |
| 1056 case '6': | |
| 1057 case '7': | |
| 1058 case '8': | |
| 1059 case '9': | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1060 /* \z1...\z9 */ |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1061 if (reg_do_extmatch != REX_USE) |
|
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1062 EMSG_RET_FAIL(_(e_z1_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1063 EMIT(NFA_ZREF1 + (no_Magic(c) - '1')); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1064 /* No need to set nfa_has_backref, the sub-matches don't |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
1065 * change when \z1 .. \z9 matches or not. */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1066 re_has_z = REX_USE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1067 break; |
| 4444 | 1068 case '(': |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1069 /* \z( */ |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1070 if (reg_do_extmatch != REX_SET) |
|
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1071 EMSG_RET_FAIL(_(e_z_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1072 if (nfa_reg(REG_ZPAREN) == FAIL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1073 return FAIL; /* cascaded error */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1074 re_has_z = REX_SET; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1075 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1076 #endif |
| 4444 | 1077 default: |
| 4450 | 1078 EMSGN(_("E867: (NFA) Unknown operator '\\z%c'"), |
| 4444 | 1079 no_Magic(c)); |
| 1080 return FAIL; | |
| 1081 } | |
| 1082 break; | |
| 1083 | |
| 1084 case Magic('%'): | |
| 1085 c = no_Magic(getchr()); | |
| 1086 switch (c) | |
| 1087 { | |
| 1088 /* () without a back reference */ | |
| 1089 case '(': | |
| 1090 if (nfa_reg(REG_NPAREN) == FAIL) | |
| 1091 return FAIL; | |
| 1092 EMIT(NFA_NOPEN); | |
| 1093 break; | |
| 1094 | |
| 1095 case 'd': /* %d123 decimal */ | |
| 1096 case 'o': /* %o123 octal */ | |
| 1097 case 'x': /* %xab hex 2 */ | |
| 1098 case 'u': /* %uabcd hex 4 */ | |
| 1099 case 'U': /* %U1234abcd hex 8 */ | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1100 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1101 int nr; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1102 |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1103 switch (c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1104 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1105 case 'd': nr = getdecchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1106 case 'o': nr = getoctchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1107 case 'x': nr = gethexchrs(2); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1108 case 'u': nr = gethexchrs(4); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1109 case 'U': nr = gethexchrs(8); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1110 default: nr = -1; break; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1111 } |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1112 |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1113 if (nr < 0) |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1114 EMSG2_RET_FAIL( |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1115 _("E678: Invalid character after %s%%[dxouU]"), |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1116 reg_magic == MAGIC_ALL); |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1117 /* TODO: what if a composing character follows? */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1118 EMIT(nr); |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1119 } |
| 4444 | 1120 break; |
| 1121 | |
| 1122 /* Catch \%^ and \%$ regardless of where they appear in the | |
| 1123 * pattern -- regardless of whether or not it makes sense. */ | |
| 1124 case '^': | |
| 1125 EMIT(NFA_BOF); | |
| 1126 break; | |
| 1127 | |
| 1128 case '$': | |
| 1129 EMIT(NFA_EOF); | |
| 1130 break; | |
| 1131 | |
| 1132 case '#': | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1133 EMIT(NFA_CURSOR); |
| 4444 | 1134 break; |
| 1135 | |
| 1136 case 'V': | |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
1137 EMIT(NFA_VISUAL); |
| 4444 | 1138 break; |
| 1139 | |
| 1140 case '[': | |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1141 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1142 int n; |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
1143 |
|
97560c16ca99
updated for version 7.3.1117
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|
1144 /* \%[abc] */ |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
1145 for (n = 0; (c = getchr()) != ']'; ++n) |
|
97560c16ca99
updated for version 7.3.1117
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|
1146 { |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
1147 if (c == NUL) |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
1148 EMSG2_RET_FAIL(_(e_missing_sb), |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
1149 reg_magic == MAGIC_ALL); |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
1150 EMIT(c); |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
1151 } |
|
4760
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
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4758
diff
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|
1152 if (n == 0) |
|
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
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4758
diff
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|
1153 EMSG2_RET_FAIL(_(e_empty_sb), |
|
532a9855bd30
updated for version 7.3.1127
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4758
diff
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|
1154 reg_magic == MAGIC_ALL); |
|
4740
97560c16ca99
updated for version 7.3.1117
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diff
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|
1155 EMIT(NFA_OPT_CHARS); |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
1156 EMIT(n); |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
1157 break; |
|
97560c16ca99
updated for version 7.3.1117
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diff
changeset
|
1158 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
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4569
diff
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|
1159 |
| 4444 | 1160 default: |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
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4579
diff
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|
1161 { |
|
4655
779ca415f8e1
updated for version 7.3.1075
Bram Moolenaar <bram@vim.org>
parents:
4651
diff
changeset
|
1162 int n = 0; |
|
4583
321cfbef9431
updated for version 7.3.1039
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|
1163 int cmp = c; |
|
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diff
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|
1164 |
|
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updated for version 7.3.1039
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diff
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|
1165 if (c == '<' || c == '>') |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
1166 c = getchr(); |
|
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diff
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|
1167 while (VIM_ISDIGIT(c)) |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
1168 { |
|
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updated for version 7.3.1039
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diff
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|
1169 n = n * 10 + (c - '0'); |
|
321cfbef9431
updated for version 7.3.1039
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|
1170 c = getchr(); |
|
321cfbef9431
updated for version 7.3.1039
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|
1171 } |
|
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updated for version 7.3.1039
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diff
changeset
|
1172 if (c == 'l' || c == 'c' || c == 'v') |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
1173 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1174 if (c == 'l') |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
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4730
diff
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|
1175 /* \%{n}l \%{n}<l \%{n}>l */ |
|
4583
321cfbef9431
updated for version 7.3.1039
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diff
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|
1176 EMIT(cmp == '<' ? NFA_LNUM_LT : |
|
4732
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updated for version 7.3.1113
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diff
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|
1177 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM); |
|
4583
321cfbef9431
updated for version 7.3.1039
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4579
diff
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|
1178 else if (c == 'c') |
|
4732
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updated for version 7.3.1113
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diff
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|
1179 /* \%{n}c \%{n}<c \%{n}>c */ |
|
4583
321cfbef9431
updated for version 7.3.1039
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4579
diff
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|
1180 EMIT(cmp == '<' ? NFA_COL_LT : |
|
4732
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updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
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diff
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|
1181 cmp == '>' ? NFA_COL_GT : NFA_COL); |
|
4583
321cfbef9431
updated for version 7.3.1039
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|
1182 else |
|
4732
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updated for version 7.3.1113
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diff
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|
1183 /* \%{n}v \%{n}<v \%{n}>v */ |
|
4583
321cfbef9431
updated for version 7.3.1039
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diff
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|
1184 EMIT(cmp == '<' ? NFA_VCOL_LT : |
|
4732
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updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
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diff
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|
1185 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); |
|
4740
97560c16ca99
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diff
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|
1186 EMIT(n); |
|
4583
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|
1187 break; |
|
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updated for version 7.3.1039
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|
1188 } |
|
4732
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updated for version 7.3.1113
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|
1189 else if (c == '\'' && n == 0) |
|
0798b096bab3
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|
1190 { |
|
0798b096bab3
updated for version 7.3.1113
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diff
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|
1191 /* \%'m \%<'m \%>'m */ |
|
0798b096bab3
updated for version 7.3.1113
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diff
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|
1192 EMIT(cmp == '<' ? NFA_MARK_LT : |
|
0798b096bab3
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|
1193 cmp == '>' ? NFA_MARK_GT : NFA_MARK); |
|
4740
97560c16ca99
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|
1194 EMIT(getchr()); |
|
4732
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|
1195 break; |
|
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|
1196 } |
|
4583
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|
1197 } |
|
4571
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updated for version 7.3.1033
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diff
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|
1198 EMSGN(_("E867: (NFA) Unknown operator '\\%%%c'"), |
|
b2a8e3a66f8c
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diff
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|
1199 no_Magic(c)); |
| 4444 | 1200 return FAIL; |
| 1201 } | |
| 1202 break; | |
| 1203 | |
| 1204 case Magic('['): | |
|
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents:
4515
diff
changeset
|
1205 collection: |
| 4444 | 1206 /* |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
1207 * [abc] uses NFA_START_COLL - NFA_END_COLL |
|
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|
1208 * [^abc] uses NFA_START_NEG_COLL - NFA_END_NEG_COLL |
|
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|
1209 * Each character is produced as a regular state, using |
|
c02c7df9bdc9
updated for version 7.3.1137
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|
1210 * NFA_CONCAT to bind them together. |
|
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|
1211 * Besides normal characters there can be: |
|
c02c7df9bdc9
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diff
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|
1212 * - character classes NFA_CLASS_* |
|
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1213 * - ranges, two characters followed by NFA_RANGE. |
| 4444 | 1214 */ |
| 1215 | |
| 1216 p = regparse; | |
| 1217 endp = skip_anyof(p); | |
| 1218 if (*endp == ']') | |
| 1219 { | |
| 1220 /* | |
| 1221 * Try to reverse engineer character classes. For example, | |
| 1222 * recognize that [0-9] stands for \d and [A-Za-z_] with \h, | |
| 1223 * and perform the necessary substitutions in the NFA. | |
| 1224 */ | |
| 1225 result = nfa_recognize_char_class(regparse, endp, | |
| 1226 extra == ADD_NL); | |
| 1227 if (result != FAIL) | |
| 1228 { | |
| 1229 if (result >= NFA_DIGIT && result <= NFA_NUPPER) | |
| 1230 EMIT(result); | |
| 1231 else /* must be char class + newline */ | |
| 1232 { | |
| 1233 EMIT(result - ADD_NL); | |
| 1234 EMIT(NFA_NEWL); | |
| 1235 EMIT(NFA_OR); | |
| 1236 } | |
| 1237 regparse = endp; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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diff
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|
1238 mb_ptr_adv(regparse); |
| 4444 | 1239 return OK; |
| 1240 } | |
| 1241 /* | |
| 1242 * Failed to recognize a character class. Use the simple | |
| 1243 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
| 1244 */ | |
| 1245 startc = endc = oldstartc = -1; | |
| 1246 negated = FALSE; | |
| 1247 if (*regparse == '^') /* negated range */ | |
| 1248 { | |
| 1249 negated = TRUE; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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4571
diff
changeset
|
1250 mb_ptr_adv(regparse); |
|
4781
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4772
diff
changeset
|
1251 EMIT(NFA_START_NEG_COLL); |
| 4444 | 1252 } |
|
4781
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diff
changeset
|
1253 else |
|
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updated for version 7.3.1137
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diff
changeset
|
1254 EMIT(NFA_START_COLL); |
| 4444 | 1255 if (*regparse == '-') |
| 1256 { | |
| 1257 startc = '-'; | |
| 1258 EMIT(startc); | |
|
4781
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updated for version 7.3.1137
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diff
changeset
|
1259 EMIT(NFA_CONCAT); |
|
4573
37e444aeb33b
updated for version 7.3.1034
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parents:
4571
diff
changeset
|
1260 mb_ptr_adv(regparse); |
| 4444 | 1261 } |
| 1262 /* Emit the OR branches for each character in the [] */ | |
| 1263 emit_range = FALSE; | |
| 1264 while (regparse < endp) | |
| 1265 { | |
| 1266 oldstartc = startc; | |
| 1267 startc = -1; | |
| 1268 got_coll_char = FALSE; | |
| 1269 if (*regparse == '[') | |
| 1270 { | |
| 1271 /* Check for [: :], [= =], [. .] */ | |
| 1272 equiclass = collclass = 0; | |
| 1273 charclass = get_char_class(®parse); | |
| 1274 if (charclass == CLASS_NONE) | |
| 1275 { | |
| 1276 equiclass = get_equi_class(®parse); | |
| 1277 if (equiclass == 0) | |
| 1278 collclass = get_coll_element(®parse); | |
| 1279 } | |
| 1280 | |
| 1281 /* Character class like [:alpha:] */ | |
| 1282 if (charclass != CLASS_NONE) | |
| 1283 { | |
| 1284 switch (charclass) | |
| 1285 { | |
| 1286 case CLASS_ALNUM: | |
| 1287 EMIT(NFA_CLASS_ALNUM); | |
| 1288 break; | |
| 1289 case CLASS_ALPHA: | |
| 1290 EMIT(NFA_CLASS_ALPHA); | |
| 1291 break; | |
| 1292 case CLASS_BLANK: | |
| 1293 EMIT(NFA_CLASS_BLANK); | |
| 1294 break; | |
| 1295 case CLASS_CNTRL: | |
| 1296 EMIT(NFA_CLASS_CNTRL); | |
| 1297 break; | |
| 1298 case CLASS_DIGIT: | |
| 1299 EMIT(NFA_CLASS_DIGIT); | |
| 1300 break; | |
| 1301 case CLASS_GRAPH: | |
| 1302 EMIT(NFA_CLASS_GRAPH); | |
| 1303 break; | |
| 1304 case CLASS_LOWER: | |
| 1305 EMIT(NFA_CLASS_LOWER); | |
| 1306 break; | |
| 1307 case CLASS_PRINT: | |
| 1308 EMIT(NFA_CLASS_PRINT); | |
| 1309 break; | |
| 1310 case CLASS_PUNCT: | |
| 1311 EMIT(NFA_CLASS_PUNCT); | |
| 1312 break; | |
| 1313 case CLASS_SPACE: | |
| 1314 EMIT(NFA_CLASS_SPACE); | |
| 1315 break; | |
| 1316 case CLASS_UPPER: | |
| 1317 EMIT(NFA_CLASS_UPPER); | |
| 1318 break; | |
| 1319 case CLASS_XDIGIT: | |
| 1320 EMIT(NFA_CLASS_XDIGIT); | |
| 1321 break; | |
| 1322 case CLASS_TAB: | |
| 1323 EMIT(NFA_CLASS_TAB); | |
| 1324 break; | |
| 1325 case CLASS_RETURN: | |
| 1326 EMIT(NFA_CLASS_RETURN); | |
| 1327 break; | |
| 1328 case CLASS_BACKSPACE: | |
| 1329 EMIT(NFA_CLASS_BACKSPACE); | |
| 1330 break; | |
| 1331 case CLASS_ESCAPE: | |
| 1332 EMIT(NFA_CLASS_ESCAPE); | |
| 1333 break; | |
| 1334 } | |
|
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diff
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|
1335 EMIT(NFA_CONCAT); |
| 4444 | 1336 continue; |
| 1337 } | |
| 1338 /* Try equivalence class [=a=] and the like */ | |
| 1339 if (equiclass != 0) | |
| 1340 { | |
|
4781
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diff
changeset
|
1341 result = nfa_emit_equi_class(equiclass); |
| 4444 | 1342 if (result == FAIL) |
| 1343 { | |
| 1344 /* should never happen */ | |
| 1345 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); | |
| 1346 } | |
| 1347 continue; | |
| 1348 } | |
| 1349 /* Try collating class like [. .] */ | |
| 1350 if (collclass != 0) | |
| 1351 { | |
| 1352 startc = collclass; /* allow [.a.]-x as a range */ | |
| 1353 /* Will emit the proper atom at the end of the | |
| 1354 * while loop. */ | |
| 1355 } | |
| 1356 } | |
|
4677
c1622ff9ed8d
updated for version 7.3.1086
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4675
diff
changeset
|
1357 /* 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:
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diff
changeset
|
1358 * start character. */ |
|
c1622ff9ed8d
updated for version 7.3.1086
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diff
changeset
|
1359 if (*regparse == '-' && oldstartc != -1) |
| 4444 | 1360 { |
| 1361 emit_range = TRUE; | |
| 1362 startc = oldstartc; | |
|
4573
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updated for version 7.3.1034
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diff
changeset
|
1363 mb_ptr_adv(regparse); |
| 4444 | 1364 continue; /* reading the end of the range */ |
| 1365 } | |
| 1366 | |
| 1367 /* Now handle simple and escaped characters. | |
| 1368 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
| 1369 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
| 1370 * 'cpoptions' is not included. | |
| 1371 * Posix doesn't recognize backslash at all. | |
| 1372 */ | |
| 1373 if (*regparse == '\\' | |
|
4744
a62695305e03
updated for version 7.3.1119
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parents:
4742
diff
changeset
|
1374 && !reg_cpo_bsl |
| 4444 | 1375 && regparse + 1 <= endp |
| 1376 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
|
4744
a62695305e03
updated for version 7.3.1119
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diff
changeset
|
1377 || (!reg_cpo_lit |
| 4444 | 1378 && vim_strchr(REGEXP_ABBR, regparse[1]) |
| 1379 != NULL) | |
| 1380 ) | |
| 1381 ) | |
| 1382 { | |
|
4573
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updated for version 7.3.1034
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diff
changeset
|
1383 mb_ptr_adv(regparse); |
| 4444 | 1384 |
|
4507
9dbbddb2ed10
updated for version 7.3.1001
Bram Moolenaar <bram@vim.org>
parents:
4503
diff
changeset
|
1385 if (*regparse == 'n') |
| 4444 | 1386 startc = reg_string ? NL : NFA_NEWL; |
| 1387 else | |
| 1388 if (*regparse == 'd' | |
| 1389 || *regparse == 'o' | |
| 1390 || *regparse == 'x' | |
| 1391 || *regparse == 'u' | |
| 1392 || *regparse == 'U' | |
| 1393 ) | |
| 1394 { | |
| 1395 /* TODO(RE) This needs more testing */ | |
| 1396 startc = coll_get_char(); | |
| 1397 got_coll_char = TRUE; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1398 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1399 } |
| 1400 else | |
| 1401 { | |
| 1402 /* \r,\t,\e,\b */ | |
| 1403 startc = backslash_trans(*regparse); | |
| 1404 } | |
| 1405 } | |
| 1406 | |
| 1407 /* Normal printable char */ | |
| 1408 if (startc == -1) | |
|
4677
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1409 startc = PTR2CHAR(regparse); |
| 4444 | 1410 |
| 1411 /* Previous char was '-', so this char is end of range. */ | |
| 1412 if (emit_range) | |
| 1413 { | |
|
4677
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1414 endc = startc; |
|
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1415 startc = oldstartc; |
| 4444 | 1416 if (startc > endc) |
| 1417 EMSG_RET_FAIL(_(e_invrange)); | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1418 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1419 if (endc > startc + 2) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1420 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1421 /* Emit a range instead of the sequence of |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1422 * individual characters. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1423 if (startc == 0) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1424 /* \x00 is translated to \x0a, start at \x01. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1425 EMIT(1); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1426 else |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1427 --post_ptr; /* remove NFA_CONCAT */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1428 EMIT(endc); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1429 EMIT(NFA_RANGE); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1430 EMIT(NFA_CONCAT); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1431 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1432 else |
| 4444 | 1433 #ifdef FEAT_MBYTE |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1434 if (has_mbyte && ((*mb_char2len)(startc) > 1 |
| 4444 | 1435 || (*mb_char2len)(endc) > 1)) |
| 1436 { | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1437 /* Emit the characters in the range. |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1438 * "startc" was already emitted, so skip it. |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1439 * */ |
| 4444 | 1440 for (c = startc + 1; c <= endc; c++) |
| 1441 { | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1442 EMIT(c); |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1443 EMIT(NFA_CONCAT); |
| 4444 | 1444 } |
| 1445 } | |
| 1446 else | |
| 1447 #endif | |
| 1448 { | |
| 1449 #ifdef EBCDIC | |
| 1450 int alpha_only = FALSE; | |
| 1451 | |
| 1452 /* for alphabetical range skip the gaps | |
| 1453 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
| 1454 if (isalpha(startc) && isalpha(endc)) | |
| 1455 alpha_only = TRUE; | |
| 1456 #endif | |
| 1457 /* Emit the range. "startc" was already emitted, so | |
| 1458 * skip it. */ | |
| 1459 for (c = startc + 1; c <= endc; c++) | |
| 1460 #ifdef EBCDIC | |
| 1461 if (!alpha_only || isalpha(startc)) | |
| 1462 #endif | |
| 1463 { | |
| 1464 EMIT(c); | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1465 EMIT(NFA_CONCAT); |
| 4444 | 1466 } |
| 1467 } | |
|
4677
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1468 emit_range = FALSE; |
|
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1469 startc = -1; |
| 4444 | 1470 } |
| 1471 else | |
| 1472 { | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1473 /* This char (startc) is not part of a range. Just |
| 4444 | 1474 * emit it. |
| 1475 * Normally, simply emit startc. But if we get char | |
| 1476 * code=0 from a collating char, then replace it with | |
| 1477 * 0x0a. | |
| 1478 * This is needed to completely mimic the behaviour of | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1479 * the backtracking engine. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1480 if (startc == NFA_NEWL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1481 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1482 /* Line break can't be matched as part of the |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1483 * collection, add an OR below. But not for negated |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1484 * range. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1485 if (!negated) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1486 extra = ADD_NL; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1487 } |
| 4444 | 1488 else |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1489 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1490 if (got_coll_char == TRUE && startc == 0) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1491 EMIT(0x0a); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1492 else |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1493 EMIT(startc); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1494 EMIT(NFA_CONCAT); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1495 } |
| 4444 | 1496 } |
| 1497 | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1498 mb_ptr_adv(regparse); |
| 4444 | 1499 } /* while (p < endp) */ |
| 1500 | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1501 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1502 if (*regparse == '-') /* if last, '-' is just a char */ |
| 1503 { | |
| 1504 EMIT('-'); | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1505 EMIT(NFA_CONCAT); |
| 4444 | 1506 } |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1507 mb_ptr_adv(regparse); |
| 4444 | 1508 |
| 1509 /* skip the trailing ] */ | |
| 1510 regparse = endp; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1511 mb_ptr_adv(regparse); |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1512 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1513 /* Mark end of the collection. */ |
| 4444 | 1514 if (negated == TRUE) |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1515 EMIT(NFA_END_NEG_COLL); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1516 else |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1517 EMIT(NFA_END_COLL); |
|
4615
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1518 |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1519 /* \_[] also matches \n but it's not negated */ |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1520 if (extra == ADD_NL) |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1521 { |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1522 EMIT(reg_string ? NL : NFA_NEWL); |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1523 EMIT(NFA_OR); |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1524 } |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1525 |
| 4444 | 1526 return OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1527 } /* if exists closing ] */ |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1528 |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1529 if (reg_strict) |
| 4444 | 1530 EMSG_RET_FAIL(_(e_missingbracket)); |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1531 /* FALLTHROUGH */ |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1532 |
| 4444 | 1533 default: |
| 1534 { | |
| 1535 #ifdef FEAT_MBYTE | |
| 1536 int plen; | |
| 1537 | |
| 1538 nfa_do_multibyte: | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1539 /* plen is length of current char with composing chars */ |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1540 if (enc_utf8 && ((*mb_char2len)(c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1541 != (plen = (*mb_ptr2len)(old_regparse)) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1542 || utf_iscomposing(c))) |
| 4444 | 1543 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1544 int i = 0; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1545 |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
1546 /* A base character plus composing characters, or just one |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
1547 * or more composing characters. |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1548 * This requires creating a separate atom as if enclosing |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1549 * the characters in (), where NFA_COMPOSING is the ( and |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1550 * NFA_END_COMPOSING is the ). Note that right now we are |
| 4444 | 1551 * building the postfix form, not the NFA itself; |
| 1552 * a composing char could be: a, b, c, NFA_COMPOSING | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1553 * where 'b' and 'c' are chars with codes > 256. */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1554 for (;;) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1555 { |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1556 EMIT(c); |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1557 if (i > 0) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1558 EMIT(NFA_CONCAT); |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1559 if ((i += utf_char2len(c)) >= plen) |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1560 break; |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1561 c = utf_ptr2char(old_regparse + i); |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1562 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1563 EMIT(NFA_COMPOSING); |
| 4444 | 1564 regparse = old_regparse + plen; |
| 1565 } | |
| 1566 else | |
| 1567 #endif | |
| 1568 { | |
| 1569 c = no_Magic(c); | |
| 1570 EMIT(c); | |
| 1571 } | |
| 1572 return OK; | |
| 1573 } | |
| 1574 } | |
| 1575 | |
| 1576 return OK; | |
| 1577 } | |
| 1578 | |
| 1579 /* | |
| 1580 * Parse something followed by possible [*+=]. | |
| 1581 * | |
| 1582 * A piece is an atom, possibly followed by a multi, an indication of how many | |
| 1583 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
| 1584 * characters: "", "a", "aa", etc. | |
| 1585 * | |
| 1586 * piece ::= atom | |
| 1587 * or atom multi | |
| 1588 */ | |
| 1589 static int | |
| 1590 nfa_regpiece() | |
| 1591 { | |
| 1592 int i; | |
| 1593 int op; | |
| 1594 int ret; | |
| 1595 long minval, maxval; | |
| 1596 int greedy = TRUE; /* Braces are prefixed with '-' ? */ | |
|
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1597 parse_state_T old_state; |
|
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1598 parse_state_T new_state; |
| 4444 | 1599 int c2; |
|
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1600 int old_post_pos; |
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1601 int my_post_start; |
| 4444 | 1602 int quest; |
| 1603 | |
|
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1604 /* Save the current parse state, so that we can use it if <atom>{m,n} is |
|
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1605 * next. */ |
|
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1606 save_parse_state(&old_state); |
|
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1607 |
| 4444 | 1608 /* store current pos in the postfix form, for \{m,n} involving 0s */ |
|
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1609 my_post_start = (int)(post_ptr - post_start); |
| 4444 | 1610 |
| 1611 ret = nfa_regatom(); | |
| 1612 if (ret == FAIL) | |
| 1613 return FAIL; /* cascaded error */ | |
| 1614 | |
| 1615 op = peekchr(); | |
| 1616 if (re_multi_type(op) == NOT_MULTI) | |
| 1617 return OK; | |
| 1618 | |
| 1619 skipchr(); | |
| 1620 switch (op) | |
| 1621 { | |
| 1622 case Magic('*'): | |
| 1623 EMIT(NFA_STAR); | |
| 1624 break; | |
| 1625 | |
| 1626 case Magic('+'): | |
| 1627 /* | |
| 1628 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
| 1629 * first and only submatch would be "aaa". But the backtracking | |
| 1630 * engine interprets the plus as "try matching one more time", and | |
| 1631 * a* matches a second time at the end of the input, the empty | |
| 1632 * string. | |
| 1633 * The submatch will the empty string. | |
| 1634 * | |
|
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1635 * In order to be consistent with the old engine, we replace |
|
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1636 * <atom>+ with <atom><atom>* |
| 4444 | 1637 */ |
|
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1638 restore_parse_state(&old_state); |
| 4444 | 1639 curchr = -1; |
| 1640 if (nfa_regatom() == FAIL) | |
| 1641 return FAIL; | |
| 1642 EMIT(NFA_STAR); | |
| 1643 EMIT(NFA_CONCAT); | |
| 1644 skipchr(); /* skip the \+ */ | |
| 1645 break; | |
| 1646 | |
| 1647 case Magic('@'): | |
|
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1648 c2 = getdecchrs(); |
| 4444 | 1649 op = no_Magic(getchr()); |
|
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1650 i = 0; |
| 4444 | 1651 switch(op) |
| 1652 { | |
| 1653 case '=': | |
|
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1654 /* \@= */ |
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1655 i = NFA_PREV_ATOM_NO_WIDTH; |
| 4444 | 1656 break; |
|
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1657 case '!': |
|
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1658 /* \@! */ |
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1659 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
|
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1660 break; |
| 4444 | 1661 case '<': |
|
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1662 op = no_Magic(getchr()); |
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1663 if (op == '=') |
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1664 /* \@<= */ |
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1665 i = NFA_PREV_ATOM_JUST_BEFORE; |
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1666 else if (op == '!') |
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1667 /* \@<! */ |
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1668 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
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1669 break; |
| 4444 | 1670 case '>': |
|
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1671 /* \@> */ |
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1672 i = NFA_PREV_ATOM_LIKE_PATTERN; |
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1673 break; |
| 4444 | 1674 } |
|
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1675 if (i == 0) |
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1676 { |
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1677 EMSGN(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
|
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1678 return FAIL; |
|
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1679 } |
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1680 EMIT(i); |
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1681 if (i == NFA_PREV_ATOM_JUST_BEFORE |
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1682 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
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1683 EMIT(c2); |
| 4444 | 1684 break; |
| 1685 | |
| 1686 case Magic('?'): | |
| 1687 case Magic('='): | |
| 1688 EMIT(NFA_QUEST); | |
| 1689 break; | |
| 1690 | |
| 1691 case Magic('{'): | |
| 1692 /* a{2,5} will expand to 'aaa?a?a?' | |
| 1693 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy | |
| 1694 * version of '?' | |
| 1695 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the | |
| 1696 * parenthesis have the same id | |
| 1697 */ | |
| 1698 | |
| 1699 greedy = TRUE; | |
| 1700 c2 = peekchr(); | |
| 1701 if (c2 == '-' || c2 == Magic('-')) | |
| 1702 { | |
| 1703 skipchr(); | |
| 1704 greedy = FALSE; | |
| 1705 } | |
| 1706 if (!read_limits(&minval, &maxval)) | |
| 1707 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
|
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1708 |
| 4444 | 1709 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to |
| 1710 * <atom>* */ | |
|
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1711 if (minval == 0 && maxval == MAX_LIMIT) |
| 4444 | 1712 { |
|
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1713 if (greedy) |
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1714 /* \{}, \{0,} */ |
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1715 EMIT(NFA_STAR); |
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1716 else |
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1717 /* \{-}, \{-0,} */ |
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1718 EMIT(NFA_STAR_NONGREEDY); |
| 4444 | 1719 break; |
| 1720 } | |
| 1721 | |
| 1722 /* Special case: x{0} or x{-0} */ | |
| 1723 if (maxval == 0) | |
| 1724 { | |
| 1725 /* Ignore result of previous call to nfa_regatom() */ | |
|
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1726 post_ptr = post_start + my_post_start; |
| 4444 | 1727 /* NFA_SKIP_CHAR has 0-length and works everywhere */ |
| 1728 EMIT(NFA_SKIP_CHAR); | |
| 1729 return OK; | |
| 1730 } | |
| 1731 | |
| 1732 /* Ignore previous call to nfa_regatom() */ | |
|
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1733 post_ptr = post_start + my_post_start; |
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1734 /* Save parse state after the repeated atom and the \{} */ |
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1735 save_parse_state(&new_state); |
| 4444 | 1736 |
| 1737 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
| 1738 for (i = 0; i < maxval; i++) | |
| 1739 { | |
| 1740 /* Goto beginning of the repeated atom */ | |
|
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1741 restore_parse_state(&old_state); |
|
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1742 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1743 if (nfa_regatom() == FAIL) |
| 1744 return FAIL; | |
| 1745 /* after "minval" times, atoms are optional */ | |
| 1746 if (i + 1 > minval) | |
|
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1747 { |
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1748 if (maxval == MAX_LIMIT) |
|
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1749 { |
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1750 if (greedy) |
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1751 EMIT(NFA_STAR); |
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1752 else |
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1753 EMIT(NFA_STAR_NONGREEDY); |
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1754 } |
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1755 else |
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1756 EMIT(quest); |
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1757 } |
|
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1758 if (old_post_pos != my_post_start) |
| 4444 | 1759 EMIT(NFA_CONCAT); |
|
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1760 if (i + 1 > minval && maxval == MAX_LIMIT) |
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1761 break; |
| 4444 | 1762 } |
| 1763 | |
| 1764 /* Go to just after the repeated atom and the \{} */ | |
|
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1765 restore_parse_state(&new_state); |
| 4444 | 1766 curchr = -1; |
| 1767 | |
| 1768 break; | |
| 1769 | |
| 1770 | |
| 1771 default: | |
| 1772 break; | |
| 1773 } /* end switch */ | |
| 1774 | |
| 1775 if (re_multi_type(peekchr()) != NOT_MULTI) | |
| 1776 /* Can't have a multi follow a multi. */ | |
| 1777 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi !")); | |
| 1778 | |
| 1779 return OK; | |
| 1780 } | |
| 1781 | |
| 1782 /* | |
| 1783 * Parse one or more pieces, concatenated. It matches a match for the | |
| 1784 * first piece, followed by a match for the second piece, etc. Example: | |
| 1785 * "f[0-9]b", first matches "f", then a digit and then "b". | |
| 1786 * | |
| 1787 * concat ::= piece | |
| 1788 * or piece piece | |
| 1789 * or piece piece piece | |
| 1790 * etc. | |
| 1791 */ | |
| 1792 static int | |
| 1793 nfa_regconcat() | |
| 1794 { | |
| 1795 int cont = TRUE; | |
| 1796 int first = TRUE; | |
| 1797 | |
| 1798 while (cont) | |
| 1799 { | |
| 1800 switch (peekchr()) | |
| 1801 { | |
| 1802 case NUL: | |
| 1803 case Magic('|'): | |
| 1804 case Magic('&'): | |
| 1805 case Magic(')'): | |
| 1806 cont = FALSE; | |
| 1807 break; | |
| 1808 | |
| 1809 case Magic('Z'): | |
| 1810 #ifdef FEAT_MBYTE | |
| 1811 regflags |= RF_ICOMBINE; | |
| 1812 #endif | |
| 1813 skipchr_keepstart(); | |
| 1814 break; | |
| 1815 case Magic('c'): | |
| 1816 regflags |= RF_ICASE; | |
| 1817 skipchr_keepstart(); | |
| 1818 break; | |
| 1819 case Magic('C'): | |
| 1820 regflags |= RF_NOICASE; | |
| 1821 skipchr_keepstart(); | |
| 1822 break; | |
| 1823 case Magic('v'): | |
| 1824 reg_magic = MAGIC_ALL; | |
| 1825 skipchr_keepstart(); | |
| 1826 curchr = -1; | |
| 1827 break; | |
| 1828 case Magic('m'): | |
| 1829 reg_magic = MAGIC_ON; | |
| 1830 skipchr_keepstart(); | |
| 1831 curchr = -1; | |
| 1832 break; | |
| 1833 case Magic('M'): | |
| 1834 reg_magic = MAGIC_OFF; | |
| 1835 skipchr_keepstart(); | |
| 1836 curchr = -1; | |
| 1837 break; | |
| 1838 case Magic('V'): | |
| 1839 reg_magic = MAGIC_NONE; | |
| 1840 skipchr_keepstart(); | |
| 1841 curchr = -1; | |
| 1842 break; | |
| 1843 | |
| 1844 default: | |
| 1845 if (nfa_regpiece() == FAIL) | |
| 1846 return FAIL; | |
| 1847 if (first == FALSE) | |
| 1848 EMIT(NFA_CONCAT); | |
| 1849 else | |
| 1850 first = FALSE; | |
| 1851 break; | |
| 1852 } | |
| 1853 } | |
| 1854 | |
| 1855 return OK; | |
| 1856 } | |
| 1857 | |
| 1858 /* | |
| 1859 * Parse a branch, one or more concats, separated by "\&". It matches the | |
| 1860 * last concat, but only if all the preceding concats also match at the same | |
| 1861 * position. Examples: | |
| 1862 * "foobeep\&..." matches "foo" in "foobeep". | |
| 1863 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
| 1864 * | |
| 1865 * branch ::= concat | |
| 1866 * or concat \& concat | |
| 1867 * or concat \& concat \& concat | |
| 1868 * etc. | |
| 1869 */ | |
| 1870 static int | |
| 1871 nfa_regbranch() | |
| 1872 { | |
| 1873 int ch; | |
|
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1874 int old_post_pos; |
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1875 |
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|
1876 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1877 |
| 1878 /* First branch, possibly the only one */ | |
| 1879 if (nfa_regconcat() == FAIL) | |
| 1880 return FAIL; | |
| 1881 | |
| 1882 ch = peekchr(); | |
| 1883 /* Try next concats */ | |
| 1884 while (ch == Magic('&')) | |
| 1885 { | |
| 1886 skipchr(); | |
| 1887 EMIT(NFA_NOPEN); | |
| 1888 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
|
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1889 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 1890 if (nfa_regconcat() == FAIL) |
| 1891 return FAIL; | |
| 1892 /* if concat is empty, skip a input char. But do emit a node */ | |
|
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1893 if (old_post_pos == (int)(post_ptr - post_start)) |
| 4444 | 1894 EMIT(NFA_SKIP_CHAR); |
| 1895 EMIT(NFA_CONCAT); | |
| 1896 ch = peekchr(); | |
| 1897 } | |
| 1898 | |
| 1899 /* Even if a branch is empty, emit one node for it */ | |
|
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1900 if (old_post_pos == (int)(post_ptr - post_start)) |
| 4444 | 1901 EMIT(NFA_SKIP_CHAR); |
| 1902 | |
| 1903 return OK; | |
| 1904 } | |
| 1905 | |
| 1906 /* | |
| 1907 * Parse a pattern, one or more branches, separated by "\|". It matches | |
| 1908 * anything that matches one of the branches. Example: "foo\|beep" matches | |
| 1909 * "foo" and matches "beep". If more than one branch matches, the first one | |
| 1910 * is used. | |
| 1911 * | |
| 1912 * pattern ::= branch | |
| 1913 * or branch \| branch | |
| 1914 * or branch \| branch \| branch | |
| 1915 * etc. | |
| 1916 */ | |
| 1917 static int | |
| 1918 nfa_reg(paren) | |
| 1919 int paren; /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ | |
| 1920 { | |
| 1921 int parno = 0; | |
| 1922 | |
| 1923 if (paren == REG_PAREN) | |
| 1924 { | |
| 1925 if (regnpar >= NSUBEXP) /* Too many `(' */ | |
| 1926 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); | |
| 1927 parno = regnpar++; | |
| 1928 } | |
|
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1929 #ifdef FEAT_SYN_HL |
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1930 else if (paren == REG_ZPAREN) |
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1931 { |
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1932 /* Make a ZOPEN node. */ |
|
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1933 if (regnzpar >= NSUBEXP) |
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1934 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
|
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1935 parno = regnzpar++; |
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1936 } |
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1937 #endif |
| 4444 | 1938 |
| 1939 if (nfa_regbranch() == FAIL) | |
| 1940 return FAIL; /* cascaded error */ | |
| 1941 | |
| 1942 while (peekchr() == Magic('|')) | |
| 1943 { | |
| 1944 skipchr(); | |
| 1945 if (nfa_regbranch() == FAIL) | |
| 1946 return FAIL; /* cascaded error */ | |
| 1947 EMIT(NFA_OR); | |
| 1948 } | |
| 1949 | |
| 1950 /* Check for proper termination. */ | |
| 1951 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
| 1952 { | |
| 1953 if (paren == REG_NPAREN) | |
| 1954 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
| 1955 else | |
| 1956 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
| 1957 } | |
| 1958 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
| 1959 { | |
| 1960 if (peekchr() == Magic(')')) | |
| 1961 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
| 1962 else | |
| 1963 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
| 1964 } | |
| 1965 /* | |
| 1966 * Here we set the flag allowing back references to this set of | |
| 1967 * parentheses. | |
| 1968 */ | |
| 1969 if (paren == REG_PAREN) | |
| 1970 { | |
| 1971 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
| 1972 EMIT(NFA_MOPEN + parno); | |
| 1973 } | |
|
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1974 #ifdef FEAT_SYN_HL |
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1975 else if (paren == REG_ZPAREN) |
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1976 EMIT(NFA_ZOPEN + parno); |
|
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1977 #endif |
| 4444 | 1978 |
| 1979 return OK; | |
| 1980 } | |
| 1981 | |
| 1982 #ifdef DEBUG | |
| 1983 static char_u code[50]; | |
| 1984 | |
| 1985 static void | |
| 1986 nfa_set_code(c) | |
| 1987 int c; | |
| 1988 { | |
| 1989 int addnl = FALSE; | |
| 1990 | |
| 1991 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
| 1992 { | |
| 1993 addnl = TRUE; | |
| 1994 c -= ADD_NL; | |
| 1995 } | |
| 1996 | |
| 1997 STRCPY(code, ""); | |
| 1998 switch (c) | |
| 1999 { | |
| 2000 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
| 2001 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
| 2002 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
| 2003 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
| 2004 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
| 2005 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
| 2006 | |
|
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2007 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
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2008 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
|
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|
2009 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
|
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|
2010 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
|
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2011 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
|
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|
2012 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
|
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|
2013 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
|
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|
2014 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
|
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|
2015 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break; |
|
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|
2016 #ifdef FEAT_SYN_HL |
|
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|
2017 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
|
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|
2018 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
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2019 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
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2020 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
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2021 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
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2022 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
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2023 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
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2024 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
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2025 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
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2026 #endif |
|
4571
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2027 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
|
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|
2028 |
| 4444 | 2029 case NFA_PREV_ATOM_NO_WIDTH: |
| 2030 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break; | |
|
4583
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|
2031 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
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|
2032 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break; |
|
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|
2033 case NFA_PREV_ATOM_JUST_BEFORE: |
|
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|
2034 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
|
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|
2035 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
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|
2036 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE_NEG"); break; |
|
4750
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|
2037 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
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|
2038 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break; |
|
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|
2039 |
|
4657
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|
2040 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
|
93b7ed814bec
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|
2041 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
| 4444 | 2042 case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break; |
|
4785
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|
2043 case NFA_START_INVISIBLE_NEG: |
|
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|
2044 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break; |
|
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|
2045 case NFA_START_INVISIBLE_BEFORE: |
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|
2046 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
|
4785
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|
2047 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
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|
2048 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_NEG"); break; |
|
4750
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|
2049 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break; |
| 4444 | 2050 case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break; |
|
4785
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|
2051 case NFA_END_INVISIBLE_NEG: STRCPY(code, "NFA_END_INVISIBLE_NEG"); break; |
|
4750
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|
2052 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break; |
| 4444 | 2053 |
| 2054 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
| 2055 case NFA_END_COMPOSING: STRCPY(code, "NFA_END_COMPOSING"); break; | |
|
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|
2056 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break; |
| 4444 | 2057 |
|
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|
2058 case NFA_MOPEN: |
|
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|
2059 case NFA_MOPEN1: |
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|
2060 case NFA_MOPEN2: |
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|
2061 case NFA_MOPEN3: |
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|
2062 case NFA_MOPEN4: |
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|
2063 case NFA_MOPEN5: |
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|
2064 case NFA_MOPEN6: |
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|
2065 case NFA_MOPEN7: |
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|
2066 case NFA_MOPEN8: |
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|
2067 case NFA_MOPEN9: |
| 4444 | 2068 STRCPY(code, "NFA_MOPEN(x)"); |
| 2069 code[10] = c - NFA_MOPEN + '0'; | |
| 2070 break; | |
|
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2071 case NFA_MCLOSE: |
|
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|
2072 case NFA_MCLOSE1: |
|
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|
2073 case NFA_MCLOSE2: |
|
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|
2074 case NFA_MCLOSE3: |
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|
2075 case NFA_MCLOSE4: |
|
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|
2076 case NFA_MCLOSE5: |
|
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|
2077 case NFA_MCLOSE6: |
|
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|
2078 case NFA_MCLOSE7: |
|
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|
2079 case NFA_MCLOSE8: |
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|
2080 case NFA_MCLOSE9: |
| 4444 | 2081 STRCPY(code, "NFA_MCLOSE(x)"); |
| 2082 code[11] = c - NFA_MCLOSE + '0'; | |
| 2083 break; | |
|
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|
2084 #ifdef FEAT_SYN_HL |
|
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|
2085 case NFA_ZOPEN: |
|
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|
2086 case NFA_ZOPEN1: |
|
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|
2087 case NFA_ZOPEN2: |
|
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|
2088 case NFA_ZOPEN3: |
|
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|
2089 case NFA_ZOPEN4: |
|
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changeset
|
2090 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2091 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2092 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2093 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2094 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2095 STRCPY(code, "NFA_ZOPEN(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2096 code[10] = c - NFA_ZOPEN + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2097 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2098 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2099 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2100 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2101 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2102 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2103 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2104 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2105 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2106 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2107 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2108 STRCPY(code, "NFA_ZCLOSE(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2109 code[11] = c - NFA_ZCLOSE + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2110 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2111 #endif |
| 4444 | 2112 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
| 2113 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
| 2114 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
| 2115 case NFA_BOW: STRCPY(code, "NFA_BOW "); break; | |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
2116 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
2117 case NFA_BOF: STRCPY(code, "NFA_BOF "); break; |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2118 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2119 case NFA_LNUM_GT: STRCPY(code, "NFA_LNUM_GT "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2120 case NFA_LNUM_LT: STRCPY(code, "NFA_LNUM_LT "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2121 case NFA_COL: STRCPY(code, "NFA_COL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2122 case NFA_COL_GT: STRCPY(code, "NFA_COL_GT "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2123 case NFA_COL_LT: STRCPY(code, "NFA_COL_LT "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2124 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2125 case NFA_VCOL_GT: STRCPY(code, "NFA_VCOL_GT "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2126 case NFA_VCOL_LT: STRCPY(code, "NFA_VCOL_LT "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2127 case NFA_MARK: STRCPY(code, "NFA_MARK "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2128 case NFA_MARK_GT: STRCPY(code, "NFA_MARK_GT "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2129 case NFA_MARK_LT: STRCPY(code, "NFA_MARK_LT "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
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|
2130 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
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|
2131 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2132 |
| 4444 | 2133 case NFA_STAR: STRCPY(code, "NFA_STAR "); break; |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2134 case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
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|
2135 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2136 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
| 4444 | 2137 case NFA_SKIP_CHAR: STRCPY(code, "NFA_SKIP_CHAR"); break; |
| 2138 case NFA_OR: STRCPY(code, "NFA_OR"); break; | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2139 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2140 case NFA_START_COLL: STRCPY(code, "NFA_START_COLL"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2141 case NFA_END_COLL: STRCPY(code, "NFA_END_COLL"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2142 case NFA_START_NEG_COLL: STRCPY(code, "NFA_START_NEG_COLL"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2143 case NFA_END_NEG_COLL: STRCPY(code, "NFA_END_NEG_COLL"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2144 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2145 case NFA_RANGE_MIN: STRCPY(code, "NFA_RANGE_MIN"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2146 case NFA_RANGE_MAX: STRCPY(code, "NFA_RANGE_MAX"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2147 |
| 4444 | 2148 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; |
| 2149 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
| 2150 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
| 2151 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
| 2152 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
| 2153 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
| 2154 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
| 2155 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
| 2156 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
| 2157 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
| 2158 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
| 2159 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
| 2160 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
| 2161 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
| 2162 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
| 2163 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break; | |
| 2164 | |
| 2165 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
| 2166 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
| 2167 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
| 2168 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
| 2169 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
| 2170 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
| 2171 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
| 2172 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
| 2173 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
| 2174 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
| 2175 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
| 2176 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
| 2177 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
| 2178 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
| 2179 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
| 2180 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
| 2181 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
| 2182 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
| 2183 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
| 2184 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
| 2185 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
| 2186 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
| 2187 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
| 2188 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
| 2189 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
| 2190 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
| 2191 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
| 2192 | |
| 2193 default: | |
| 2194 STRCPY(code, "CHAR(x)"); | |
| 2195 code[5] = c; | |
| 2196 } | |
| 2197 | |
| 2198 if (addnl == TRUE) | |
| 2199 STRCAT(code, " + NEWLINE "); | |
| 2200 | |
| 2201 } | |
| 2202 | |
| 2203 #ifdef ENABLE_LOG | |
| 2204 static FILE *log_fd; | |
| 2205 | |
| 2206 /* | |
| 2207 * Print the postfix notation of the current regexp. | |
| 2208 */ | |
| 2209 static void | |
| 2210 nfa_postfix_dump(expr, retval) | |
| 2211 char_u *expr; | |
| 2212 int retval; | |
| 2213 { | |
| 2214 int *p; | |
| 2215 FILE *f; | |
| 2216 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2217 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2218 if (f != NULL) |
| 2219 { | |
| 2220 fprintf(f, "\n-------------------------\n"); | |
| 2221 if (retval == FAIL) | |
| 2222 fprintf(f, ">>> NFA engine failed ... \n"); | |
| 2223 else if (retval == OK) | |
| 2224 fprintf(f, ">>> NFA engine succeeded !\n"); | |
| 2225 fprintf(f, "Regexp: \"%s\"\nPostfix notation (char): \"", expr); | |
| 4464 | 2226 for (p = post_start; *p && p < post_end; p++) |
| 4444 | 2227 { |
| 2228 nfa_set_code(*p); | |
| 2229 fprintf(f, "%s, ", code); | |
| 2230 } | |
| 2231 fprintf(f, "\"\nPostfix notation (int): "); | |
| 4464 | 2232 for (p = post_start; *p && p < post_end; p++) |
| 4444 | 2233 fprintf(f, "%d ", *p); |
| 2234 fprintf(f, "\n\n"); | |
| 2235 fclose(f); | |
| 2236 } | |
| 2237 } | |
| 2238 | |
| 2239 /* | |
| 2240 * Print the NFA starting with a root node "state". | |
| 2241 */ | |
| 2242 static void | |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
changeset
|
2243 nfa_print_state(debugf, state) |
| 4444 | 2244 FILE *debugf; |
| 2245 nfa_state_T *state; | |
| 2246 { | |
|
4533
6a2005efa02b
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diff
changeset
|
2247 garray_T indent; |
|
6a2005efa02b
updated for version 7.3.1014
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diff
changeset
|
2248 |
|
6a2005efa02b
updated for version 7.3.1014
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diff
changeset
|
2249 ga_init2(&indent, 1, 64); |
|
6a2005efa02b
updated for version 7.3.1014
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diff
changeset
|
2250 ga_append(&indent, '\0'); |
|
6a2005efa02b
updated for version 7.3.1014
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4531
diff
changeset
|
2251 nfa_print_state2(debugf, state, &indent); |
|
6a2005efa02b
updated for version 7.3.1014
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4531
diff
changeset
|
2252 ga_clear(&indent); |
|
6a2005efa02b
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diff
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|
2253 } |
|
6a2005efa02b
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diff
changeset
|
2254 |
|
6a2005efa02b
updated for version 7.3.1014
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diff
changeset
|
2255 static void |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2256 nfa_print_state2(debugf, state, indent) |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
changeset
|
2257 FILE *debugf; |
|
6a2005efa02b
updated for version 7.3.1014
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diff
changeset
|
2258 nfa_state_T *state; |
|
6a2005efa02b
updated for version 7.3.1014
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diff
changeset
|
2259 garray_T *indent; |
|
6a2005efa02b
updated for version 7.3.1014
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4531
diff
changeset
|
2260 { |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2261 char_u *p; |
| 4444 | 2262 |
| 2263 if (state == NULL) | |
| 2264 return; | |
| 2265 | |
| 2266 fprintf(debugf, "(%2d)", abs(state->id)); | |
|
4533
6a2005efa02b
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Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2267 |
|
6a2005efa02b
updated for version 7.3.1014
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diff
changeset
|
2268 /* Output indent */ |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2269 p = (char_u *)indent->ga_data; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
changeset
|
2270 if (indent->ga_len >= 3) |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
changeset
|
2271 { |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2272 int last = indent->ga_len - 3; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
changeset
|
2273 char_u save[2]; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
changeset
|
2274 |
|
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
changeset
|
2275 STRNCPY(save, &p[last], 2); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
changeset
|
2276 STRNCPY(&p[last], "+-", 2); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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|
2277 fprintf(debugf, " %s", p); |
|
6a2005efa02b
updated for version 7.3.1014
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|
2278 STRNCPY(&p[last], save, 2); |
|
6a2005efa02b
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|
2279 } |
|
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|
2280 else |
|
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|
2281 fprintf(debugf, " %s", p); |
| 4444 | 2282 |
| 2283 nfa_set_code(state->c); | |
|
4785
3b5a023a4543
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|
2284 fprintf(debugf, "%s (%d) (id=%d) val=%d\n", |
|
4781
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|
2285 code, |
|
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|
2286 state->c, |
|
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|
2287 abs(state->id), |
|
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|
2288 state->val); |
| 4444 | 2289 if (state->id < 0) |
| 2290 return; | |
| 2291 | |
| 2292 state->id = abs(state->id) * -1; | |
|
4533
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|
2293 |
|
6a2005efa02b
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|
2294 /* grow indent for state->out */ |
|
6a2005efa02b
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|
2295 indent->ga_len -= 1; |
|
6a2005efa02b
updated for version 7.3.1014
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|
2296 if (state->out1) |
|
4537
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|
2297 ga_concat(indent, (char_u *)"| "); |
|
4533
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|
2298 else |
|
4537
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|
2299 ga_concat(indent, (char_u *)" "); |
|
4533
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|
2300 ga_append(indent, '\0'); |
|
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|
2301 |
|
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|
2302 nfa_print_state2(debugf, state->out, indent); |
|
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|
2303 |
|
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|
2304 /* replace last part of indent for state->out1 */ |
|
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|
2305 indent->ga_len -= 3; |
|
4537
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|
2306 ga_concat(indent, (char_u *)" "); |
|
4533
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|
2307 ga_append(indent, '\0'); |
|
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2308 |
|
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|
2309 nfa_print_state2(debugf, state->out1, indent); |
|
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|
2310 |
|
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|
2311 /* shrink indent */ |
|
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|
2312 indent->ga_len -= 3; |
|
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|
2313 ga_append(indent, '\0'); |
| 4444 | 2314 } |
| 2315 | |
| 2316 /* | |
| 2317 * Print the NFA state machine. | |
| 2318 */ | |
| 2319 static void | |
| 2320 nfa_dump(prog) | |
| 2321 nfa_regprog_T *prog; | |
| 2322 { | |
|
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|
2323 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2324 |
| 2325 if (debugf != NULL) | |
| 2326 { | |
|
4533
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|
2327 nfa_print_state(debugf, prog->start); |
|
4772
03375ccf28a2
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|
2328 |
|
4805
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|
2329 if (prog->reganch) |
|
66803af09906
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|
2330 fprintf(debugf, "reganch: %d\n", prog->reganch); |
|
66803af09906
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|
2331 if (prog->regstart != NUL) |
|
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|
2332 fprintf(debugf, "regstart: %c (decimal: %d)\n", |
|
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|
2333 prog->regstart, prog->regstart); |
|
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|
2334 if (prog->match_text != NULL) |
|
66803af09906
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|
2335 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text); |
|
4772
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|
2336 |
| 4444 | 2337 fclose(debugf); |
| 2338 } | |
| 2339 } | |
| 2340 #endif /* ENABLE_LOG */ | |
| 2341 #endif /* DEBUG */ | |
| 2342 | |
| 2343 /* | |
| 2344 * Parse r.e. @expr and convert it into postfix form. | |
| 2345 * Return the postfix string on success, NULL otherwise. | |
| 2346 */ | |
| 2347 static int * | |
| 2348 re2post() | |
| 2349 { | |
| 2350 if (nfa_reg(REG_NOPAREN) == FAIL) | |
| 2351 return NULL; | |
| 2352 EMIT(NFA_MOPEN); | |
| 2353 return post_start; | |
| 2354 } | |
| 2355 | |
| 2356 /* NB. Some of the code below is inspired by Russ's. */ | |
| 2357 | |
| 2358 /* | |
| 2359 * Represents an NFA state plus zero or one or two arrows exiting. | |
| 2360 * if c == MATCH, no arrows out; matching state. | |
| 2361 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
| 2362 * If c < 256, labeled arrow with character c to out. | |
| 2363 */ | |
| 2364 | |
| 2365 static nfa_state_T *state_ptr; /* points to nfa_prog->state */ | |
| 2366 | |
| 2367 /* | |
| 2368 * Allocate and initialize nfa_state_T. | |
| 2369 */ | |
| 2370 static nfa_state_T * | |
|
4696
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|
2371 alloc_state(c, out, out1) |
| 4444 | 2372 int c; |
| 2373 nfa_state_T *out; | |
| 2374 nfa_state_T *out1; | |
| 2375 { | |
| 2376 nfa_state_T *s; | |
| 2377 | |
| 2378 if (istate >= nstate) | |
| 2379 return NULL; | |
| 2380 | |
| 2381 s = &state_ptr[istate++]; | |
| 2382 | |
| 2383 s->c = c; | |
| 2384 s->out = out; | |
| 2385 s->out1 = out1; | |
|
4781
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|
2386 s->val = 0; |
| 4444 | 2387 |
| 2388 s->id = istate; | |
|
4718
ec72bb4a0fc2
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diff
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|
2389 s->lastlist[0] = 0; |
|
ec72bb4a0fc2
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4716
diff
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|
2390 s->lastlist[1] = 0; |
| 4444 | 2391 |
| 2392 return s; | |
| 2393 } | |
| 2394 | |
| 2395 /* | |
| 2396 * A partially built NFA without the matching state filled in. | |
| 2397 * Frag_T.start points at the start state. | |
| 2398 * Frag_T.out is a list of places that need to be set to the | |
| 2399 * next state for this fragment. | |
| 2400 */ | |
|
4555
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|
2401 |
|
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|
2402 /* Since the out pointers in the list are always |
|
b2946c06d1b6
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|
2403 * uninitialized, we use the pointers themselves |
|
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diff
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|
2404 * as storage for the Ptrlists. */ |
| 4444 | 2405 typedef union Ptrlist Ptrlist; |
|
4555
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|
2406 union Ptrlist |
|
b2946c06d1b6
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|
2407 { |
|
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|
2408 Ptrlist *next; |
|
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|
2409 nfa_state_T *s; |
|
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|
2410 }; |
|
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|
2411 |
| 4444 | 2412 struct Frag |
| 2413 { | |
|
4555
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diff
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|
2414 nfa_state_T *start; |
| 4444 | 2415 Ptrlist *out; |
| 2416 }; | |
| 2417 typedef struct Frag Frag_T; | |
| 2418 | |
| 2419 static Frag_T frag __ARGS((nfa_state_T *start, Ptrlist *out)); | |
| 2420 static Ptrlist *list1 __ARGS((nfa_state_T **outp)); | |
| 2421 static void patch __ARGS((Ptrlist *l, nfa_state_T *s)); | |
| 2422 static Ptrlist *append __ARGS((Ptrlist *l1, Ptrlist *l2)); | |
| 2423 static void st_push __ARGS((Frag_T s, Frag_T **p, Frag_T *stack_end)); | |
| 2424 static Frag_T st_pop __ARGS((Frag_T **p, Frag_T *stack)); | |
| 2425 | |
| 2426 /* | |
| 4456 | 2427 * Initialize a Frag_T struct and return it. |
| 4444 | 2428 */ |
| 2429 static Frag_T | |
| 2430 frag(start, out) | |
| 2431 nfa_state_T *start; | |
| 2432 Ptrlist *out; | |
| 2433 { | |
| 4456 | 2434 Frag_T n; |
| 2435 | |
| 2436 n.start = start; | |
| 2437 n.out = out; | |
| 4444 | 2438 return n; |
| 2439 } | |
| 2440 | |
| 2441 /* | |
| 2442 * Create singleton list containing just outp. | |
| 2443 */ | |
| 2444 static Ptrlist * | |
| 2445 list1(outp) | |
| 2446 nfa_state_T **outp; | |
| 2447 { | |
| 2448 Ptrlist *l; | |
| 2449 | |
| 2450 l = (Ptrlist *)outp; | |
| 2451 l->next = NULL; | |
| 2452 return l; | |
| 2453 } | |
| 2454 | |
| 2455 /* | |
| 2456 * Patch the list of states at out to point to start. | |
| 2457 */ | |
| 2458 static void | |
| 2459 patch(l, s) | |
| 2460 Ptrlist *l; | |
| 2461 nfa_state_T *s; | |
| 2462 { | |
| 2463 Ptrlist *next; | |
| 2464 | |
| 2465 for (; l; l = next) | |
| 2466 { | |
| 2467 next = l->next; | |
| 2468 l->s = s; | |
| 2469 } | |
| 2470 } | |
| 2471 | |
| 2472 | |
| 2473 /* | |
| 2474 * Join the two lists l1 and l2, returning the combination. | |
| 2475 */ | |
| 2476 static Ptrlist * | |
| 2477 append(l1, l2) | |
| 2478 Ptrlist *l1; | |
| 2479 Ptrlist *l2; | |
| 2480 { | |
| 2481 Ptrlist *oldl1; | |
| 2482 | |
| 2483 oldl1 = l1; | |
| 2484 while (l1->next) | |
| 2485 l1 = l1->next; | |
| 2486 l1->next = l2; | |
| 2487 return oldl1; | |
| 2488 } | |
| 2489 | |
| 2490 /* | |
| 2491 * Stack used for transforming postfix form into NFA. | |
| 2492 */ | |
| 2493 static Frag_T empty; | |
| 2494 | |
| 2495 static void | |
| 2496 st_error(postfix, end, p) | |
|
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|
2497 int *postfix UNUSED; |
|
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|
2498 int *end UNUSED; |
|
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|
2499 int *p UNUSED; |
| 4444 | 2500 { |
|
4531
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|
2501 #ifdef NFA_REGEXP_ERROR_LOG |
| 4444 | 2502 FILE *df; |
| 2503 int *p2; | |
| 2504 | |
|
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|
2505 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
| 4444 | 2506 if (df) |
| 2507 { | |
| 2508 fprintf(df, "Error popping the stack!\n"); | |
| 2509 #ifdef DEBUG | |
| 2510 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr); | |
| 2511 #endif | |
| 2512 fprintf(df, "Postfix form is: "); | |
| 2513 #ifdef DEBUG | |
| 2514 for (p2 = postfix; p2 < end; p2++) | |
| 2515 { | |
| 2516 nfa_set_code(*p2); | |
| 2517 fprintf(df, "%s, ", code); | |
| 2518 } | |
| 2519 nfa_set_code(*p); | |
| 2520 fprintf(df, "\nCurrent position is: "); | |
| 2521 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2522 { | |
| 2523 nfa_set_code(*p2); | |
| 2524 fprintf(df, "%s, ", code); | |
| 2525 } | |
| 2526 #else | |
| 2527 for (p2 = postfix; p2 < end; p2++) | |
| 2528 { | |
| 2529 fprintf(df, "%d, ", *p2); | |
| 2530 } | |
| 2531 fprintf(df, "\nCurrent position is: "); | |
| 2532 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2533 { | |
| 2534 fprintf(df, "%d, ", *p2); | |
| 2535 } | |
| 2536 #endif | |
| 2537 fprintf(df, "\n--------------------------\n"); | |
| 2538 fclose(df); | |
| 2539 } | |
|
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|
2540 #endif |
| 4444 | 2541 EMSG(_("E874: (NFA) Could not pop the stack !")); |
| 2542 } | |
| 2543 | |
| 2544 /* | |
| 2545 * Push an item onto the stack. | |
| 2546 */ | |
| 2547 static void | |
| 2548 st_push(s, p, stack_end) | |
| 2549 Frag_T s; | |
| 2550 Frag_T **p; | |
| 2551 Frag_T *stack_end; | |
| 2552 { | |
| 2553 Frag_T *stackp = *p; | |
| 2554 | |
| 2555 if (stackp >= stack_end) | |
| 2556 return; | |
| 2557 *stackp = s; | |
| 2558 *p = *p + 1; | |
| 2559 } | |
| 2560 | |
| 2561 /* | |
| 2562 * Pop an item from the stack. | |
| 2563 */ | |
| 2564 static Frag_T | |
| 2565 st_pop(p, stack) | |
| 2566 Frag_T **p; | |
| 2567 Frag_T *stack; | |
| 2568 { | |
| 2569 Frag_T *stackp; | |
| 2570 | |
| 2571 *p = *p - 1; | |
| 2572 stackp = *p; | |
| 2573 if (stackp < stack) | |
| 2574 return empty; | |
| 2575 return **p; | |
| 2576 } | |
| 2577 | |
| 2578 /* | |
|
4807
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|
2579 * Estimate the maximum byte length of anything matching "state". |
|
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|
2580 * When unknown or unlimited return -1. |
|
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|
2581 */ |
|
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|
2582 static int |
|
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|
2583 nfa_max_width(startstate, depth) |
|
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|
2584 nfa_state_T *startstate; |
|
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|
2585 int depth; |
|
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|
2586 { |
|
3dbd251777de
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changeset
|
2587 int l, r; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2588 nfa_state_T *state = startstate; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2589 int len = 0; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2590 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2591 /* detect looping in a NFA_SPLIT */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2592 if (depth > 4) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2593 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2594 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2595 for (;;) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2596 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2597 switch (state->c) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2598 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2599 case NFA_END_INVISIBLE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2600 case NFA_END_INVISIBLE_NEG: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2601 /* the end, return what we have */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2602 return len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2603 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2604 case NFA_SPLIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2605 /* two alternatives, use the maximum */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2606 l = nfa_max_width(state->out, depth + 1); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2607 r = nfa_max_width(state->out1, depth + 1); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2608 if (l < 0 || r < 0) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2609 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2610 return len + (l > r ? l : r); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2611 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2612 case NFA_ANY: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2613 case NFA_START_COLL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2614 case NFA_START_NEG_COLL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2615 /* matches some character, including composing chars */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2616 #ifdef FEAT_MBYTE |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2617 if (enc_utf8) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2618 len += MB_MAXBYTES; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2619 else if (has_mbyte) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2620 len += 2; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2621 else |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2622 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2623 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2624 if (state->c != NFA_ANY) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2625 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2626 /* skip over the characters */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2627 state = state->out1->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2628 continue; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2629 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2630 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2631 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2632 case NFA_DIGIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2633 case NFA_WHITE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2634 case NFA_HEX: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2635 case NFA_OCTAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2636 /* ascii */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2637 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2638 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2639 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2640 case NFA_IDENT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2641 case NFA_SIDENT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2642 case NFA_KWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2643 case NFA_SKWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2644 case NFA_FNAME: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2645 case NFA_SFNAME: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2646 case NFA_PRINT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2647 case NFA_SPRINT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2648 case NFA_NWHITE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2649 case NFA_NDIGIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2650 case NFA_NHEX: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2651 case NFA_NOCTAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2652 case NFA_WORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2653 case NFA_NWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2654 case NFA_HEAD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2655 case NFA_NHEAD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2656 case NFA_ALPHA: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2657 case NFA_NALPHA: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2658 case NFA_LOWER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2659 case NFA_NLOWER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2660 case NFA_UPPER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2661 case NFA_NUPPER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2662 /* possibly non-ascii */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2663 #ifdef FEAT_MBYTE |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2664 if (has_mbyte) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2665 len += 3; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2666 else |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2667 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2668 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2669 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2670 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2671 case NFA_START_INVISIBLE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2672 case NFA_START_INVISIBLE_NEG: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2673 case NFA_START_INVISIBLE_BEFORE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2674 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2675 /* zero-width, out1 points to the END state */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2676 state = state->out1->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2677 continue; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2678 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2679 case NFA_BACKREF1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2680 case NFA_BACKREF2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2681 case NFA_BACKREF3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2682 case NFA_BACKREF4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2683 case NFA_BACKREF5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2684 case NFA_BACKREF6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2685 case NFA_BACKREF7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2686 case NFA_BACKREF8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2687 case NFA_BACKREF9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2688 #ifdef FEAT_SYN_HL |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2689 case NFA_ZREF1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2690 case NFA_ZREF2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2691 case NFA_ZREF3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2692 case NFA_ZREF4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2693 case NFA_ZREF5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2694 case NFA_ZREF6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2695 case NFA_ZREF7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2696 case NFA_ZREF8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2697 case NFA_ZREF9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2698 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2699 case NFA_NEWL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2700 case NFA_SKIP: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2701 /* unknown width */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2702 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2703 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2704 case NFA_BOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2705 case NFA_EOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2706 case NFA_BOF: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2707 case NFA_EOF: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2708 case NFA_BOW: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2709 case NFA_EOW: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2710 case NFA_MOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2711 case NFA_MOPEN1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2712 case NFA_MOPEN2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2713 case NFA_MOPEN3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2714 case NFA_MOPEN4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2715 case NFA_MOPEN5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2716 case NFA_MOPEN6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2717 case NFA_MOPEN7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2718 case NFA_MOPEN8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2719 case NFA_MOPEN9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2720 #ifdef FEAT_SYN_HL |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2721 case NFA_ZOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2722 case NFA_ZOPEN1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2723 case NFA_ZOPEN2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2724 case NFA_ZOPEN3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2725 case NFA_ZOPEN4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2726 case NFA_ZOPEN5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2727 case NFA_ZOPEN6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2728 case NFA_ZOPEN7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2729 case NFA_ZOPEN8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2730 case NFA_ZOPEN9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2731 case NFA_ZCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2732 case NFA_ZCLOSE1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2733 case NFA_ZCLOSE2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2734 case NFA_ZCLOSE3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2735 case NFA_ZCLOSE4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2736 case NFA_ZCLOSE5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2737 case NFA_ZCLOSE6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2738 case NFA_ZCLOSE7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2739 case NFA_ZCLOSE8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2740 case NFA_ZCLOSE9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2741 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2742 case NFA_MCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2743 case NFA_MCLOSE1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2744 case NFA_MCLOSE2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2745 case NFA_MCLOSE3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2746 case NFA_MCLOSE4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2747 case NFA_MCLOSE5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2748 case NFA_MCLOSE6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2749 case NFA_MCLOSE7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2750 case NFA_MCLOSE8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2751 case NFA_MCLOSE9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2752 case NFA_NOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2753 case NFA_NCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2754 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2755 case NFA_LNUM_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2756 case NFA_LNUM_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2757 case NFA_COL_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2758 case NFA_COL_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2759 case NFA_VCOL_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2760 case NFA_VCOL_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2761 case NFA_MARK_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2762 case NFA_MARK_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2763 case NFA_VISUAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2764 case NFA_LNUM: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2765 case NFA_CURSOR: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2766 case NFA_COL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2767 case NFA_VCOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2768 case NFA_MARK: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2769 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2770 case NFA_ZSTART: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2771 case NFA_ZEND: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2772 case NFA_OPT_CHARS: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2773 case NFA_SKIP_CHAR: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2774 case NFA_START_PATTERN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2775 case NFA_END_PATTERN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2776 case NFA_COMPOSING: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2777 case NFA_END_COMPOSING: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2778 /* zero-width */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2779 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2780 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2781 default: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2782 if (state->c < 0) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2783 /* don't know what this is */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2784 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2785 /* normal character */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2786 len += MB_CHAR2LEN(state->c); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2787 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2788 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2789 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2790 /* normal way to continue */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2791 state = state->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2792 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2793 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2794 /* unrecognized */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2795 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2796 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2797 /* |
| 4444 | 2798 * Convert a postfix form into its equivalent NFA. |
| 2799 * Return the NFA start state on success, NULL otherwise. | |
| 2800 */ | |
| 2801 static nfa_state_T * | |
| 2802 post2nfa(postfix, end, nfa_calc_size) | |
| 2803 int *postfix; | |
| 2804 int *end; | |
| 2805 int nfa_calc_size; | |
| 2806 { | |
| 2807 int *p; | |
| 2808 int mopen; | |
| 2809 int mclose; | |
| 2810 Frag_T *stack = NULL; | |
| 2811 Frag_T *stackp = NULL; | |
| 2812 Frag_T *stack_end = NULL; | |
| 2813 Frag_T e1; | |
| 2814 Frag_T e2; | |
| 2815 Frag_T e; | |
| 2816 nfa_state_T *s; | |
| 2817 nfa_state_T *s1; | |
| 2818 nfa_state_T *matchstate; | |
| 4484 | 2819 nfa_state_T *ret = NULL; |
| 4444 | 2820 |
| 2821 if (postfix == NULL) | |
| 2822 return NULL; | |
| 2823 | |
| 4456 | 2824 #define PUSH(s) st_push((s), &stackp, stack_end) |
| 4444 | 2825 #define POP() st_pop(&stackp, stack); \ |
| 2826 if (stackp < stack) \ | |
| 2827 { \ | |
| 2828 st_error(postfix, end, p); \ | |
| 2829 return NULL; \ | |
| 2830 } | |
| 2831 | |
| 2832 if (nfa_calc_size == FALSE) | |
| 2833 { | |
| 2834 /* Allocate space for the stack. Max states on the stack : nstate */ | |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2835 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE); |
| 4444 | 2836 stackp = stack; |
| 4462 | 2837 stack_end = stack + (nstate + 1); |
| 4444 | 2838 } |
| 2839 | |
| 2840 for (p = postfix; p < end; ++p) | |
| 2841 { | |
| 2842 switch (*p) | |
| 2843 { | |
| 2844 case NFA_CONCAT: | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2845 /* Concatenation. |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2846 * Pay attention: this operator does not exist in the r.e. itself |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2847 * (it is implicit, really). It is added when r.e. is translated |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2848 * to postfix form in re2post(). */ |
| 4444 | 2849 if (nfa_calc_size == TRUE) |
| 2850 { | |
| 4458 | 2851 /* nstate += 0; */ |
| 4444 | 2852 break; |
| 2853 } | |
| 2854 e2 = POP(); | |
| 2855 e1 = POP(); | |
| 2856 patch(e1.out, e2.start); | |
| 2857 PUSH(frag(e1.start, e2.out)); | |
| 2858 break; | |
| 2859 | |
| 2860 case NFA_OR: | |
| 2861 /* Alternation */ | |
| 2862 if (nfa_calc_size == TRUE) | |
| 2863 { | |
| 4458 | 2864 nstate++; |
| 4444 | 2865 break; |
| 2866 } | |
| 2867 e2 = POP(); | |
| 2868 e1 = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2869 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
| 4444 | 2870 if (s == NULL) |
| 4484 | 2871 goto theend; |
| 4444 | 2872 PUSH(frag(s, append(e1.out, e2.out))); |
| 2873 break; | |
| 2874 | |
| 2875 case NFA_STAR: | |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2876 /* Zero or more, prefer more */ |
| 4444 | 2877 if (nfa_calc_size == TRUE) |
| 2878 { | |
| 4458 | 2879 nstate++; |
| 4444 | 2880 break; |
| 2881 } | |
| 2882 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2883 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 2884 if (s == NULL) |
| 4484 | 2885 goto theend; |
| 4444 | 2886 patch(e.out, s); |
| 2887 PUSH(frag(s, list1(&s->out1))); | |
| 2888 break; | |
| 2889 | |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2890 case NFA_STAR_NONGREEDY: |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2891 /* Zero or more, prefer zero */ |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2892 if (nfa_calc_size == TRUE) |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2893 { |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2894 nstate++; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2895 break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2896 } |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2897 e = POP(); |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2898 s = alloc_state(NFA_SPLIT, NULL, e.start); |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2899 if (s == NULL) |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2900 goto theend; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2901 patch(e.out, s); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2902 PUSH(frag(s, list1(&s->out))); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2903 break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2904 |
| 4444 | 2905 case NFA_QUEST: |
| 2906 /* one or zero atoms=> greedy match */ | |
| 2907 if (nfa_calc_size == TRUE) | |
| 2908 { | |
| 4458 | 2909 nstate++; |
| 4444 | 2910 break; |
| 2911 } | |
| 2912 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2913 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 2914 if (s == NULL) |
| 4484 | 2915 goto theend; |
| 4444 | 2916 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
| 2917 break; | |
| 2918 | |
| 2919 case NFA_QUEST_NONGREEDY: | |
| 2920 /* zero or one atoms => non-greedy match */ | |
| 2921 if (nfa_calc_size == TRUE) | |
| 2922 { | |
| 4458 | 2923 nstate++; |
| 4444 | 2924 break; |
| 2925 } | |
| 2926 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2927 s = alloc_state(NFA_SPLIT, NULL, e.start); |
| 4444 | 2928 if (s == NULL) |
| 4484 | 2929 goto theend; |
| 4444 | 2930 PUSH(frag(s, append(e.out, list1(&s->out)))); |
| 2931 break; | |
| 2932 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2933 case NFA_END_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2934 case NFA_END_NEG_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2935 /* On the stack is the sequence starting with NFA_START_COLL or |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2936 * NFA_START_NEG_COLL and all possible characters. Patch it to |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2937 * add the output to the start. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2938 if (nfa_calc_size == TRUE) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2939 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2940 nstate++; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2941 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2942 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2943 e = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2944 s = alloc_state(NFA_END_COLL, NULL, NULL); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2945 if (s == NULL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2946 goto theend; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2947 patch(e.out, s); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2948 e.start->out1 = s; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2949 PUSH(frag(e.start, list1(&s->out))); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2950 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2951 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2952 case NFA_RANGE: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2953 /* Before this are two characters, the low and high end of a |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2954 * range. Turn them into two states with MIN and MAX. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2955 if (nfa_calc_size == TRUE) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2956 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2957 /* nstate += 0; */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2958 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2959 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2960 e2 = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2961 e1 = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2962 e2.start->val = e2.start->c; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2963 e2.start->c = NFA_RANGE_MAX; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2964 e1.start->val = e1.start->c; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2965 e1.start->c = NFA_RANGE_MIN; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2966 patch(e1.out, e2.start); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2967 PUSH(frag(e1.start, e2.out)); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2968 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2969 |
| 4444 | 2970 case NFA_SKIP_CHAR: |
| 2971 /* Symbol of 0-length, Used in a repetition | |
| 2972 * with max/min count of 0 */ | |
| 2973 if (nfa_calc_size == TRUE) | |
| 2974 { | |
| 4458 | 2975 nstate++; |
| 4444 | 2976 break; |
| 2977 } | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2978 s = alloc_state(NFA_SKIP_CHAR, NULL, NULL); |
| 4444 | 2979 if (s == NULL) |
| 4484 | 2980 goto theend; |
| 4444 | 2981 PUSH(frag(s, list1(&s->out))); |
| 2982 break; | |
| 2983 | |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2984 case NFA_OPT_CHARS: |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2985 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2986 int n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2987 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2988 /* \%[abc] */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2989 n = *++p; /* get number of characters */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2990 if (nfa_calc_size == TRUE) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2991 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2992 nstate += n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2993 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2994 } |
|
4758
b25a1b2e3175
updated for version 7.3.1126
Bram Moolenaar <bram@vim.org>
parents:
4756
diff
changeset
|
2995 s = NULL; /* avoid compiler warning */ |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2996 e1.out = NULL; /* stores list with out1's */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2997 s1 = NULL; /* previous NFA_SPLIT to connect to */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2998 while (n-- > 0) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2999 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3000 e = POP(); /* get character */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3001 s = alloc_state(NFA_SPLIT, e.start, NULL); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3002 if (s == NULL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3003 goto theend; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3004 if (e1.out == NULL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3005 e1 = e; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3006 patch(e.out, s1); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3007 append(e1.out, list1(&s->out1)); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3008 s1 = s; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3009 } |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3010 PUSH(frag(s, e1.out)); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3011 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3012 } |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3013 |
| 4444 | 3014 case NFA_PREV_ATOM_NO_WIDTH: |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3015 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3016 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3017 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3018 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3019 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3020 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3021 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3022 int pattern = (*p == NFA_PREV_ATOM_LIKE_PATTERN); |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3023 int start_state; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3024 int end_state; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3025 int n = 0; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3026 nfa_state_T *zend; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3027 nfa_state_T *skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3028 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3029 switch (*p) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3030 { |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3031 case NFA_PREV_ATOM_NO_WIDTH: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3032 start_state = NFA_START_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3033 end_state = NFA_END_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3034 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3035 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3036 start_state = NFA_START_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3037 end_state = NFA_END_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3038 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3039 case NFA_PREV_ATOM_JUST_BEFORE: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3040 start_state = NFA_START_INVISIBLE_BEFORE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3041 end_state = NFA_END_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3042 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3043 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3044 start_state = NFA_START_INVISIBLE_BEFORE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3045 end_state = NFA_END_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3046 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3047 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3048 start_state = NFA_START_PATTERN; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3049 end_state = NFA_END_PATTERN; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3050 break; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3051 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3052 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3053 if (before) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3054 n = *++p; /* get the count */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3055 |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3056 /* The \@= operator: match the preceding atom with zero width. |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3057 * The \@! operator: no match for the preceding atom. |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3058 * The \@<= operator: match for the preceding atom. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3059 * The \@<! operator: no match for the preceding atom. |
| 4444 | 3060 * Surrounds the preceding atom with START_INVISIBLE and |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3061 * END_INVISIBLE, similarly to MOPEN. */ |
| 4444 | 3062 |
| 3063 if (nfa_calc_size == TRUE) | |
| 3064 { | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3065 nstate += pattern ? 4 : 2; |
| 4444 | 3066 break; |
| 3067 } | |
| 3068 e = POP(); | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3069 s1 = alloc_state(end_state, NULL, NULL); |
| 4444 | 3070 if (s1 == NULL) |
| 4484 | 3071 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3072 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3073 s = alloc_state(start_state, e.start, s1); |
| 4444 | 3074 if (s == NULL) |
| 4484 | 3075 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3076 if (pattern) |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3077 { |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3078 /* NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows. */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3079 skip = alloc_state(NFA_SKIP, NULL, NULL); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3080 zend = alloc_state(NFA_ZEND, s1, NULL); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3081 s1->out= skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3082 patch(e.out, zend); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3083 PUSH(frag(s, list1(&skip->out))); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3084 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3085 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3086 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3087 patch(e.out, s1); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3088 PUSH(frag(s, list1(&s1->out))); |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3089 if (before) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3090 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3091 if (n <= 0) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3092 /* See if we can guess the maximum width, it avoids a |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3093 * lot of pointless tries. */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3094 n = nfa_max_width(e.start, 0); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3095 s->val = n; /* store the count */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3096 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3097 } |
| 4444 | 3098 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3099 } |
| 4444 | 3100 |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3101 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3102 case NFA_COMPOSING: /* char with composing char */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3103 #if 0 |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3104 /* TODO */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3105 if (regflags & RF_ICOMBINE) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3106 { |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
3107 /* use the base character only */ |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3108 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3109 #endif |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3110 /* FALLTHROUGH */ |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3111 #endif |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3112 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3113 case NFA_MOPEN: /* \( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3114 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3115 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3116 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3117 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3118 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3119 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3120 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3121 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3122 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3123 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3124 case NFA_ZOPEN: /* \z( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3125 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3126 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3127 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3128 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3129 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3130 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3131 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3132 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3133 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3134 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3135 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */ |
| 4444 | 3136 if (nfa_calc_size == TRUE) |
| 3137 { | |
| 3138 nstate += 2; | |
| 3139 break; | |
| 3140 } | |
| 3141 | |
| 3142 mopen = *p; | |
| 3143 switch (*p) | |
| 3144 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3145 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3146 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3147 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3148 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3149 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3150 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3151 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3152 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3153 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3154 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3155 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3156 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3157 #endif |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3158 #ifdef FEAT_MBYTE |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3159 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
|
3160 #endif |
| 4444 | 3161 default: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3162 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */ |
| 4444 | 3163 mclose = *p + NSUBEXP; |
| 3164 break; | |
| 3165 } | |
| 3166 | |
| 3167 /* Allow "NFA_MOPEN" as a valid postfix representation for | |
| 3168 * the empty regexp "". In this case, the NFA will be | |
| 3169 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows | |
| 3170 * empty groups of parenthesis, and empty mbyte chars */ | |
| 3171 if (stackp == stack) | |
| 3172 { | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3173 s = alloc_state(mopen, NULL, NULL); |
| 4444 | 3174 if (s == NULL) |
| 4484 | 3175 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3176 s1 = alloc_state(mclose, NULL, NULL); |
| 4444 | 3177 if (s1 == NULL) |
| 4484 | 3178 goto theend; |
| 4444 | 3179 patch(list1(&s->out), s1); |
| 3180 PUSH(frag(s, list1(&s1->out))); | |
| 3181 break; | |
| 3182 } | |
| 3183 | |
| 3184 /* At least one node was emitted before NFA_MOPEN, so | |
| 3185 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */ | |
| 3186 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3187 s = alloc_state(mopen, e.start, NULL); /* `(' */ |
| 4444 | 3188 if (s == NULL) |
| 4484 | 3189 goto theend; |
| 4444 | 3190 |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3191 s1 = alloc_state(mclose, NULL, NULL); /* `)' */ |
| 4444 | 3192 if (s1 == NULL) |
| 4484 | 3193 goto theend; |
| 4444 | 3194 patch(e.out, s1); |
| 3195 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3196 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3197 if (mopen == NFA_COMPOSING) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3198 /* COMPOSING->out1 = END_COMPOSING */ |
| 4444 | 3199 patch(list1(&s->out1), s1); |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3200 #endif |
| 4444 | 3201 |
| 3202 PUSH(frag(s, list1(&s1->out))); | |
| 3203 break; | |
| 3204 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3205 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3206 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3207 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3208 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3209 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3210 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3211 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3212 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3213 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3214 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3215 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3216 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3217 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3218 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3219 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3220 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3221 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3222 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3223 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3224 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3225 if (nfa_calc_size == TRUE) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3226 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3227 nstate += 2; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3228 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3229 } |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3230 s = alloc_state(*p, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3231 if (s == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3232 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3233 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3234 if (s1 == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3235 goto theend; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3236 patch(list1(&s->out), s1); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3237 PUSH(frag(s, list1(&s1->out))); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3238 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3239 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3240 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3241 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3242 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3243 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3244 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3245 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3246 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3247 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3248 case NFA_COL_LT: |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3249 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3250 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3251 case NFA_MARK_LT: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3252 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3253 int n = *++p; /* lnum, col or mark name */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3254 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3255 if (nfa_calc_size == TRUE) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3256 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3257 nstate += 1; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3258 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3259 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3260 s = alloc_state(p[-1], NULL, NULL); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3261 if (s == NULL) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3262 goto theend; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3263 s->val = n; |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3264 PUSH(frag(s, list1(&s->out))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3265 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3266 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3267 |
| 4444 | 3268 case NFA_ZSTART: |
| 3269 case NFA_ZEND: | |
| 3270 default: | |
| 3271 /* Operands */ | |
| 3272 if (nfa_calc_size == TRUE) | |
| 3273 { | |
| 4458 | 3274 nstate++; |
| 4444 | 3275 break; |
| 3276 } | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3277 s = alloc_state(*p, NULL, NULL); |
| 4444 | 3278 if (s == NULL) |
| 4484 | 3279 goto theend; |
| 4444 | 3280 PUSH(frag(s, list1(&s->out))); |
| 3281 break; | |
| 3282 | |
| 3283 } /* switch(*p) */ | |
| 3284 | |
| 3285 } /* for(p = postfix; *p; ++p) */ | |
| 3286 | |
| 3287 if (nfa_calc_size == TRUE) | |
| 3288 { | |
| 4458 | 3289 nstate++; |
| 4484 | 3290 goto theend; /* Return value when counting size is ignored anyway */ |
| 4444 | 3291 } |
| 3292 | |
| 3293 e = POP(); | |
| 3294 if (stackp != stack) | |
| 3295 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); | |
| 3296 | |
| 3297 if (istate >= nstate) | |
| 3298 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); | |
| 3299 | |
| 3300 matchstate = &state_ptr[istate++]; /* the match state */ | |
| 3301 matchstate->c = NFA_MATCH; | |
| 3302 matchstate->out = matchstate->out1 = NULL; | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3303 matchstate->id = 0; |
| 4444 | 3304 |
| 3305 patch(e.out, matchstate); | |
| 4484 | 3306 ret = e.start; |
| 3307 | |
| 3308 theend: | |
| 3309 vim_free(stack); | |
| 3310 return ret; | |
| 4444 | 3311 |
| 3312 #undef POP1 | |
| 3313 #undef PUSH1 | |
| 3314 #undef POP2 | |
| 3315 #undef PUSH2 | |
| 3316 #undef POP | |
| 3317 #undef PUSH | |
| 3318 } | |
| 3319 | |
| 3320 /**************************************************************** | |
| 3321 * NFA execution code. | |
| 3322 ****************************************************************/ | |
| 3323 | |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3324 typedef struct |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3325 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3326 int in_use; /* number of subexpr with useful info */ |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3327 |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3328 /* When REG_MULTI is TRUE list.multi is used, otherwise list.line. */ |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3329 union |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3330 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3331 struct multipos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3332 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3333 lpos_T start; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3334 lpos_T end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3335 } multi[NSUBEXP]; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3336 struct linepos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3337 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3338 char_u *start; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3339 char_u *end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3340 } line[NSUBEXP]; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3341 } list; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3342 } regsub_T; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3343 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3344 typedef struct |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3345 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3346 regsub_T norm; /* \( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3347 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3348 regsub_T synt; /* \z( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3349 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3350 } regsubs_T; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3351 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3352 /* nfa_pim_T stores a Postponed Invisible Match. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3353 typedef struct nfa_pim_S nfa_pim_T; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3354 struct nfa_pim_S |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3355 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3356 nfa_state_T *state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3357 int result; /* NFA_PIM_TODO, NFA_PIM_[NO]MATCH */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3358 nfa_pim_T *pim; /* another PIM at the same position */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3359 regsubs_T subs; /* submatch info, only party used */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3360 }; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3361 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3362 /* Values for done in nfa_pim_T. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3363 #define NFA_PIM_TODO 0 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3364 #define NFA_PIM_MATCH 1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3365 #define NFA_PIM_NOMATCH -1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3366 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3367 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3368 /* 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
|
3369 typedef struct |
| 4444 | 3370 { |
| 3371 nfa_state_T *state; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3372 int count; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3373 nfa_pim_T *pim; /* if not NULL: postponed invisible match */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3374 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
|
3375 } nfa_thread_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3376 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3377 /* nfa_list_T contains the alternative NFA execution states. */ |
| 4444 | 3378 typedef struct |
| 3379 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3380 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
|
3381 int n; /* nr of states currently in "t" */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3382 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
|
3383 int id; /* ID of the list */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3384 } nfa_list_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3385 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3386 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3387 static void log_subsexpr __ARGS((regsubs_T *subs)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3388 static void log_subexpr __ARGS((regsub_T *sub)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3389 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3390 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3391 log_subsexpr(subs) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3392 regsubs_T *subs; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3393 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3394 log_subexpr(&subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3395 # ifdef FEAT_SYN_HL |
|
4770
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3396 if (nfa_has_zsubexpr) |
|
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3397 log_subexpr(&subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3398 # endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3399 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3400 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3401 static void |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3402 log_subexpr(sub) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3403 regsub_T *sub; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3404 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3405 int j; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3406 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3407 for (j = 0; j < sub->in_use; j++) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3408 if (REG_MULTI) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3409 fprintf(log_fd, "*** group %d, start: c=%d, l=%d, end: c=%d, l=%d\n", |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3410 j, |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3411 sub->list.multi[j].start.col, |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3412 (int)sub->list.multi[j].start.lnum, |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3413 sub->list.multi[j].end.col, |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3414 (int)sub->list.multi[j].end.lnum); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3415 else |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3416 { |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3417 char *s = (char *)sub->list.line[j].start; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3418 char *e = (char *)sub->list.line[j].end; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3419 |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3420 fprintf(log_fd, "*** group %d, start: \"%s\", end: \"%s\"\n", |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3421 j, |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3422 s == NULL ? "NULL" : s, |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3423 e == NULL ? "NULL" : e); |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3424 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3425 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3426 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3427 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3428 /* Used during execution: whether a match has been found. */ |
|
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3429 static int nfa_match; |
|
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3430 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3431 static void clear_sub __ARGS((regsub_T *sub)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3432 static void copy_sub __ARGS((regsub_T *to, regsub_T *from)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3433 static void copy_sub_off __ARGS((regsub_T *to, regsub_T *from)); |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3434 static int sub_equal __ARGS((regsub_T *sub1, regsub_T *sub2)); |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3435 static int has_state_with_pos __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs)); |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3436 static int state_in_list __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3437 static void addstate __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs, int off)); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3438 static void addstate_here __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs, nfa_pim_T *pim, int *ip)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3439 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3440 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3441 clear_sub(sub) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3442 regsub_T *sub; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3443 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3444 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3445 /* Use 0xff to set lnum to -1 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3446 vim_memset(sub->list.multi, 0xff, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3447 sizeof(struct multipos) * nfa_nsubexpr); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3448 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3449 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
|
3450 sub->in_use = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3451 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3452 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3453 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3454 * Copy the submatches from "from" to "to". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3455 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3456 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3457 copy_sub(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3458 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3459 regsub_T *from; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3460 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3461 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3462 if (from->in_use > 0) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3463 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3464 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3465 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3466 mch_memmove(&to->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3467 &from->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3468 sizeof(struct multipos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3469 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3470 mch_memmove(&to->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3471 &from->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3472 sizeof(struct linepos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3473 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3474 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3475 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3476 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3477 * Like copy_sub() but exclude the main match. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3478 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3479 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3480 copy_sub_off(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3481 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3482 regsub_T *from; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3483 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3484 if (to->in_use < from->in_use) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3485 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3486 if (from->in_use > 1) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3487 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3488 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3489 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3490 mch_memmove(&to->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3491 &from->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3492 sizeof(struct multipos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3493 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3494 mch_memmove(&to->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3495 &from->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3496 sizeof(struct linepos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3497 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3498 } |
| 4444 | 3499 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3500 /* |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3501 * 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
|
3502 */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3503 static int |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3504 sub_equal(sub1, sub2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3505 regsub_T *sub1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3506 regsub_T *sub2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3507 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3508 int i; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3509 int todo; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3510 linenr_T s1, e1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3511 linenr_T s2, e2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3512 char_u *sp1, *ep1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3513 char_u *sp2, *ep2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3514 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3515 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
|
3516 if (REG_MULTI) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3517 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3518 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3519 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3520 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3521 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3522 s1 = sub1->list.multi[i].start.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3523 e1 = sub1->list.multi[i].end.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3524 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3525 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3526 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3527 s1 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3528 e1 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3529 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3530 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3531 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3532 s2 = sub2->list.multi[i].start.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3533 e2 = sub2->list.multi[i].end.lnum; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3534 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3535 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3536 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3537 s2 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3538 e2 = 0; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3539 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3540 if (s1 != s2 || e1 != e2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3541 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3542 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
|
3543 != sub2->list.multi[i].start.col) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3544 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3545 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
|
3546 != sub2->list.multi[i].end.col) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3547 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3548 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3549 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3550 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3551 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3552 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3553 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3554 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3555 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3556 sp1 = sub1->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3557 ep1 = sub1->list.line[i].end; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3558 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3559 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3560 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3561 sp1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3562 ep1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3563 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3564 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3565 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3566 sp2 = sub2->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3567 ep2 = sub2->list.line[i].end; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3568 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3569 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3570 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3571 sp2 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3572 ep2 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3573 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3574 if (sp1 != sp2 || ep1 != ep2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3575 return FALSE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3576 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3577 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3578 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3579 return TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3580 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3581 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3582 #ifdef ENABLE_LOG |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3583 static void |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3584 report_state(char *action, regsub_T *sub, nfa_state_T *state, int lid) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3585 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3586 int col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3587 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3588 if (sub->in_use <= 0) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3589 col = -1; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3590 else if (REG_MULTI) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3591 col = sub->list.multi[0].start.col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3592 else |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3593 col = (int)(sub->list.line[0].start - regline); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3594 nfa_set_code(state->c); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3595 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
|
3596 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
|
3597 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3598 #endif |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3599 |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3600 /* |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3601 * Return TRUE if the same state is already in list "l" with the same |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3602 * positions as "subs". |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3603 */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3604 static int |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3605 has_state_with_pos(l, state, subs) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3606 nfa_list_T *l; /* runtime state list */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3607 nfa_state_T *state; /* state to update */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3608 regsubs_T *subs; /* pointers to subexpressions */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3609 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3610 nfa_thread_T *thread; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3611 int i; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3612 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3613 for (i = 0; i < l->n; ++i) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3614 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3615 thread = &l->t[i]; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3616 if (thread->state->id == state->id |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3617 && sub_equal(&thread->subs.norm, &subs->norm) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3618 #ifdef FEAT_SYN_HL |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3619 && (!nfa_has_zsubexpr || |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3620 sub_equal(&thread->subs.synt, &subs->synt)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3621 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3622 ) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3623 return TRUE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3624 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3625 return FALSE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3626 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3627 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3628 /* |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3629 * Return TRUE if "state" is already in list "l". |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3630 */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3631 static int |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3632 state_in_list(l, state, subs) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3633 nfa_list_T *l; /* runtime state list */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3634 nfa_state_T *state; /* state to update */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3635 regsubs_T *subs; /* pointers to subexpressions */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3636 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3637 if (state->lastlist[nfa_ll_index] == l->id) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3638 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3639 if (!nfa_has_backref || has_state_with_pos(l, state, subs)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3640 return TRUE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3641 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3642 return FALSE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3643 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3644 |
| 4444 | 3645 static void |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3646 addstate(l, state, subs, off) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3647 nfa_list_T *l; /* runtime state list */ |
| 4444 | 3648 nfa_state_T *state; /* state to update */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3649 regsubs_T *subs; /* pointers to subexpressions */ |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3650 int off; /* byte offset, when -1 go to next line */ |
| 4444 | 3651 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3652 int subidx; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3653 nfa_thread_T *thread; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3654 lpos_T save_lpos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3655 int save_in_use; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3656 char_u *save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3657 int i; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3658 regsub_T *sub; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3659 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3660 int did_print = FALSE; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3661 #endif |
| 4444 | 3662 |
| 3663 if (l == NULL || state == NULL) | |
| 3664 return; | |
| 3665 | |
| 3666 switch (state->c) | |
| 3667 { | |
| 3668 case NFA_SPLIT: | |
| 3669 case NFA_NOPEN: | |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3670 case NFA_SKIP_CHAR: |
| 4444 | 3671 case NFA_NCLOSE: |
| 3672 case NFA_MCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3673 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3674 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3675 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3676 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3677 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3678 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3679 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3680 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3681 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3682 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3683 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3684 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3685 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3686 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3687 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3688 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3689 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3690 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3691 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3692 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3693 #endif |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3694 case NFA_ZEND: |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3695 /* 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
|
3696 * "out1" may be added below. */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3697 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3698 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3699 case NFA_MOPEN: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3700 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3701 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3702 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3703 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3704 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3705 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3706 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3707 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3708 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3709 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3710 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3711 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3712 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3713 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3714 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3715 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3716 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3717 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3718 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3719 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3720 #endif |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3721 case NFA_ZSTART: |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3722 /* 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
|
3723 * when it was tried to be added to this list before. */ |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3724 if (state->lastlist[nfa_ll_index] == l->id) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3725 goto skip_add; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3726 state->lastlist[nfa_ll_index] = l->id; |
| 4444 | 3727 break; |
| 3728 | |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3729 case NFA_BOL: |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3730 case NFA_BOF: |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3731 /* "^" 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
|
3732 * 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
|
3733 * match. */ |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3734 if (reginput > regline |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3735 && (nfa_endp == NULL |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3736 || !REG_MULTI |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3737 || reglnum == nfa_endp->se_u.pos.lnum)) |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3738 goto skip_add; |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3739 /* FALLTHROUGH */ |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3740 |
| 4444 | 3741 default: |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3742 if (state->lastlist[nfa_ll_index] == l->id) |
| 4444 | 3743 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3744 /* 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
|
3745 * 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
|
3746 if (!nfa_has_backref) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3747 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3748 skip_add: |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3749 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3750 nfa_set_code(state->c); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3751 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
|
3752 abs(state->id), l->id, state->c, code); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3753 #endif |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3754 return; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3755 } |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3756 |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3757 if (has_state_with_pos(l, state, subs)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3758 goto skip_add; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3759 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3760 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3761 /* when there are backreferences or look-behind matches the number |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3762 * of states may be (a lot) bigger */ |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3763 if (nfa_has_backref && l->n == l->len) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3764 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3765 int newlen = l->len * 3 / 2 + 50; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3766 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3767 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
|
3768 l->len = newlen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3769 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3770 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3771 /* add the state to the list */ |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3772 state->lastlist[nfa_ll_index] = l->id; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3773 thread = &l->t[l->n++]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3774 thread->state = state; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3775 thread->pim = NULL; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3776 copy_sub(&thread->subs.norm, &subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3777 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3778 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3779 copy_sub(&thread->subs.synt, &subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3780 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3781 #ifdef ENABLE_LOG |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3782 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
|
3783 did_print = TRUE; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3784 #endif |
| 4444 | 3785 } |
| 3786 | |
| 3787 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3788 if (!did_print) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3789 report_state("Processing", &subs->norm, state, l->id); |
| 4444 | 3790 #endif |
| 3791 switch (state->c) | |
| 3792 { | |
| 3793 case NFA_MATCH: | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3794 nfa_match = TRUE; |
| 4444 | 3795 break; |
| 3796 | |
| 3797 case NFA_SPLIT: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3798 /* order matters here */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3799 addstate(l, state->out, subs, off); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3800 addstate(l, state->out1, subs, off); |
| 4444 | 3801 break; |
| 3802 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3803 case NFA_SKIP_CHAR: |
| 4444 | 3804 case NFA_NOPEN: |
| 3805 case NFA_NCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3806 addstate(l, state->out, subs, off); |
| 4444 | 3807 break; |
| 3808 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3809 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3810 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3811 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3812 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3813 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3814 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3815 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3816 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3817 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3818 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3819 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3820 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3821 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3822 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3823 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3824 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3825 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3826 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3827 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3828 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3829 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3830 #endif |
| 4444 | 3831 case NFA_ZSTART: |
| 3832 if (state->c == NFA_ZSTART) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3833 { |
| 4444 | 3834 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3835 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3836 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3837 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3838 else if (state->c >= NFA_ZOPEN) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3839 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3840 subidx = state->c - NFA_ZOPEN; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3841 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3842 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3843 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3844 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3845 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3846 subidx = state->c - NFA_MOPEN; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3847 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3848 } |
| 4444 | 3849 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3850 /* 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
|
3851 * 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
|
3852 save_ptr = NULL; |
| 4444 | 3853 if (REG_MULTI) |
| 3854 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3855 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3856 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3857 save_lpos = sub->list.multi[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3858 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3859 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3860 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3861 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3862 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3863 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
|
3864 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3865 sub->list.multi[i].start.lnum = -1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3866 sub->list.multi[i].end.lnum = -1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3867 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3868 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3869 } |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3870 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3871 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3872 sub->list.multi[subidx].start.lnum = reglnum + 1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3873 sub->list.multi[subidx].start.col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3874 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3875 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3876 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3877 sub->list.multi[subidx].start.lnum = reglnum; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3878 sub->list.multi[subidx].start.col = |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3879 (colnr_T)(reginput - regline + off); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3880 } |
| 4444 | 3881 } |
| 3882 else | |
| 3883 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3884 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3885 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3886 save_ptr = sub->list.line[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3887 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3888 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3889 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3890 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3891 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3892 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
|
3893 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3894 sub->list.line[i].start = NULL; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3895 sub->list.line[i].end = NULL; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3896 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3897 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3898 } |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3899 sub->list.line[subidx].start = reginput + off; |
| 4444 | 3900 } |
| 3901 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3902 addstate(l, state->out, subs, off); |
| 4444 | 3903 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3904 if (save_in_use == -1) |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3905 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3906 if (REG_MULTI) |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3907 sub->list.multi[subidx].start = save_lpos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3908 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3909 sub->list.line[subidx].start = save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3910 } |
| 4444 | 3911 else |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3912 sub->in_use = save_in_use; |
| 4444 | 3913 break; |
| 3914 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3915 case NFA_MCLOSE: |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
3916 if (nfa_has_zend) |
| 4444 | 3917 { |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
3918 /* 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
|
3919 * 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
|
3920 addstate(l, state->out, subs, off); |
| 4444 | 3921 break; |
| 3922 } | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3923 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3924 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3925 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3926 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3927 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3928 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3929 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3930 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3931 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3932 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3933 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3934 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3935 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3936 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3937 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3938 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3939 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3940 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3941 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3942 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3943 #endif |
| 4444 | 3944 case NFA_ZEND: |
| 3945 if (state->c == NFA_ZEND) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3946 { |
| 4444 | 3947 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3948 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3949 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3950 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3951 else if (state->c >= NFA_ZCLOSE) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3952 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3953 subidx = state->c - NFA_ZCLOSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3954 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3955 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3956 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3957 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3958 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3959 subidx = state->c - NFA_MCLOSE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3960 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3961 } |
| 4444 | 3962 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3963 /* 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
|
3964 * has done that. */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3965 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3966 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3967 sub->in_use = subidx + 1; |
| 4444 | 3968 if (REG_MULTI) |
| 3969 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3970 save_lpos = sub->list.multi[subidx].end; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3971 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3972 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3973 sub->list.multi[subidx].end.lnum = reglnum + 1; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3974 sub->list.multi[subidx].end.col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3975 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3976 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3977 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3978 sub->list.multi[subidx].end.lnum = reglnum; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3979 sub->list.multi[subidx].end.col = |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3980 (colnr_T)(reginput - regline + off); |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
3981 } |
| 4444 | 3982 } |
| 3983 else | |
| 3984 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3985 save_ptr = sub->list.line[subidx].end; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3986 sub->list.line[subidx].end = reginput + off; |
| 4444 | 3987 } |
| 3988 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3989 addstate(l, state->out, subs, off); |
| 4444 | 3990 |
| 3991 if (REG_MULTI) | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3992 sub->list.multi[subidx].end = save_lpos; |
| 4444 | 3993 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3994 sub->list.line[subidx].end = save_ptr; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3995 sub->in_use = save_in_use; |
| 4444 | 3996 break; |
| 3997 } | |
| 3998 } | |
| 3999 | |
| 4000 /* | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4001 * 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
|
4002 * 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
|
4003 * 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
|
4004 * matters for alternatives. |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4005 */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4006 static void |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4007 addstate_here(l, state, subs, pim, ip) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4008 nfa_list_T *l; /* runtime state list */ |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4009 nfa_state_T *state; /* state to update */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4010 regsubs_T *subs; /* pointers to subexpressions */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4011 nfa_pim_T *pim; /* postponed look-behind match */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4012 int *ip; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4013 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4014 int tlen = l->n; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4015 int count; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4016 int listidx = *ip; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4017 int i; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4018 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4019 /* 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
|
4020 addstate(l, state, subs, 0); |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4021 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4022 /* fill in the "pim" field in the new states */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4023 if (pim != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4024 for (i = tlen; i < l->n; ++i) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4025 l->t[i].pim = pim; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4026 |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4027 /* when "*ip" was at the end of the list, nothing to do */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4028 if (listidx + 1 == tlen) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4029 return; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4030 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4031 /* 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
|
4032 count = l->n - tlen; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4033 if (count == 1) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4034 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4035 /* overwrite the current state */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4036 l->t[listidx] = l->t[l->n - 1]; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4037 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4038 else if (count > 1) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4039 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4040 /* 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
|
4041 * end to the current position */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4042 mch_memmove(&(l->t[listidx + count]), |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4043 &(l->t[listidx + 1]), |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4044 sizeof(nfa_thread_T) * (l->n - listidx - 1)); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4045 mch_memmove(&(l->t[listidx]), |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4046 &(l->t[l->n - 1]), |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4047 sizeof(nfa_thread_T) * count); |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4048 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4049 --l->n; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4050 *ip = listidx - 1; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4051 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4052 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4053 /* |
| 4444 | 4054 * Check character class "class" against current character c. |
| 4055 */ | |
| 4056 static int | |
| 4057 check_char_class(class, c) | |
| 4058 int class; | |
| 4059 int c; | |
| 4060 { | |
| 4061 switch (class) | |
| 4062 { | |
| 4063 case NFA_CLASS_ALNUM: | |
| 4464 | 4064 if (c >= 1 && c <= 255 && isalnum(c)) |
| 4444 | 4065 return OK; |
| 4066 break; | |
| 4067 case NFA_CLASS_ALPHA: | |
| 4464 | 4068 if (c >= 1 && c <= 255 && isalpha(c)) |
| 4444 | 4069 return OK; |
| 4070 break; | |
| 4071 case NFA_CLASS_BLANK: | |
| 4072 if (c == ' ' || c == '\t') | |
| 4073 return OK; | |
| 4074 break; | |
| 4075 case NFA_CLASS_CNTRL: | |
| 4464 | 4076 if (c >= 1 && c <= 255 && iscntrl(c)) |
| 4444 | 4077 return OK; |
| 4078 break; | |
| 4079 case NFA_CLASS_DIGIT: | |
| 4080 if (VIM_ISDIGIT(c)) | |
| 4081 return OK; | |
| 4082 break; | |
| 4083 case NFA_CLASS_GRAPH: | |
| 4464 | 4084 if (c >= 1 && c <= 255 && isgraph(c)) |
| 4444 | 4085 return OK; |
| 4086 break; | |
| 4087 case NFA_CLASS_LOWER: | |
| 4088 if (MB_ISLOWER(c)) | |
| 4089 return OK; | |
| 4090 break; | |
| 4091 case NFA_CLASS_PRINT: | |
| 4092 if (vim_isprintc(c)) | |
| 4093 return OK; | |
| 4094 break; | |
| 4095 case NFA_CLASS_PUNCT: | |
| 4464 | 4096 if (c >= 1 && c <= 255 && ispunct(c)) |
| 4444 | 4097 return OK; |
| 4098 break; | |
| 4099 case NFA_CLASS_SPACE: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4100 if ((c >= 9 && c <= 13) || (c == ' ')) |
| 4444 | 4101 return OK; |
| 4102 break; | |
| 4103 case NFA_CLASS_UPPER: | |
| 4104 if (MB_ISUPPER(c)) | |
| 4105 return OK; | |
| 4106 break; | |
| 4107 case NFA_CLASS_XDIGIT: | |
| 4108 if (vim_isxdigit(c)) | |
| 4109 return OK; | |
| 4110 break; | |
| 4111 case NFA_CLASS_TAB: | |
| 4112 if (c == '\t') | |
| 4113 return OK; | |
| 4114 break; | |
| 4115 case NFA_CLASS_RETURN: | |
| 4116 if (c == '\r') | |
| 4117 return OK; | |
| 4118 break; | |
| 4119 case NFA_CLASS_BACKSPACE: | |
| 4120 if (c == '\b') | |
| 4121 return OK; | |
| 4122 break; | |
| 4123 case NFA_CLASS_ESCAPE: | |
| 4124 if (c == '\033') | |
| 4125 return OK; | |
| 4126 break; | |
| 4127 | |
| 4128 default: | |
| 4129 /* should not be here :P */ | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
4130 EMSGN("E877: (NFA regexp) Invalid character class: %ld", class); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
4131 return FAIL; |
| 4444 | 4132 } |
| 4133 return FAIL; | |
| 4134 } | |
| 4135 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4136 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
|
4137 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4138 /* |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4139 * Check for a match with subexpression "subidx". |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4140 * Return TRUE if it matches. |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4141 */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4142 static int |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4143 match_backref(sub, subidx, bytelen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4144 regsub_T *sub; /* pointers to subexpressions */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4145 int subidx; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4146 int *bytelen; /* out: length of match in bytes */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4147 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4148 int len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4149 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4150 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4151 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4152 retempty: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4153 /* backref was not set, match an empty string */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4154 *bytelen = 0; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4155 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4156 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4157 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4158 if (REG_MULTI) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4159 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4160 if (sub->list.multi[subidx].start.lnum < 0 |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4161 || sub->list.multi[subidx].end.lnum < 0) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4162 goto retempty; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4163 /* TODO: line breaks */ |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4164 len = sub->list.multi[subidx].end.col |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4165 - sub->list.multi[subidx].start.col; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4166 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
|
4167 reginput, &len) == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4168 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4169 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4170 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4171 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4172 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4173 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4174 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4175 if (sub->list.line[subidx].start == NULL |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4176 || sub->list.line[subidx].end == NULL) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4177 goto retempty; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4178 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
|
4179 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
|
4180 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4181 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4182 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4183 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4184 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4185 return FALSE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4186 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4187 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4188 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4189 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4190 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
|
4191 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4192 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4193 * Check for a match with \z subexpression "subidx". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4194 * Return TRUE if it matches. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4195 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4196 static int |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4197 match_zref(subidx, bytelen) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4198 int subidx; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4199 int *bytelen; /* out: length of match in bytes */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4200 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4201 int len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4202 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4203 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4204 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
|
4205 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4206 /* backref was not set, match an empty string */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4207 *bytelen = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4208 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4209 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4210 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4211 len = (int)STRLEN(re_extmatch_in->matches[subidx]); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4212 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
|
4213 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4214 *bytelen = len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4215 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4216 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4217 return FALSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4218 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4219 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4220 |
| 4444 | 4221 /* |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4222 * 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
|
4223 * Also reset the IDs to zero. |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4224 * Only used for the recursive value lastlist[1]. |
| 4444 | 4225 */ |
| 4226 static void | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4227 nfa_save_listids(prog, list) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4228 nfa_regprog_T *prog; |
| 4444 | 4229 int *list; |
| 4230 { | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4231 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4232 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4233 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4234 /* 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
|
4235 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4236 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 4237 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4238 list[i] = p->lastlist[1]; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4239 p->lastlist[1] = 0; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4240 ++p; |
| 4444 | 4241 } |
| 4242 } | |
| 4243 | |
| 4244 /* | |
| 4245 * Restore list IDs from "list" to all NFA states. | |
| 4246 */ | |
| 4247 static void | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4248 nfa_restore_listids(prog, list) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4249 nfa_regprog_T *prog; |
| 4444 | 4250 int *list; |
| 4251 { | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4252 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4253 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4254 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4255 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4256 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 4257 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4258 p->lastlist[1] = list[i]; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4259 ++p; |
| 4444 | 4260 } |
| 4261 } | |
| 4262 | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4263 static int |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4264 nfa_re_num_cmp(val, op, pos) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4265 long_u val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4266 int op; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4267 long_u pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4268 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4269 if (op == 1) return pos > val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4270 if (op == 2) return pos < val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4271 return val == pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4272 } |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4273 |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4274 static int recursive_regmatch __ARGS((nfa_state_T *state, nfa_regprog_T *prog, regsubs_T *submatch, regsubs_T *m, int **listids)); |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4275 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
|
4276 |
| 4444 | 4277 /* |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4278 * Recursively call nfa_regmatch() |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4279 */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4280 static int |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4281 recursive_regmatch(state, prog, submatch, m, listids) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4282 nfa_state_T *state; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4283 nfa_regprog_T *prog; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4284 regsubs_T *submatch; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4285 regsubs_T *m; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4286 int **listids; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4287 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4288 char_u *save_reginput = reginput; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4289 char_u *save_regline = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4290 int save_reglnum = reglnum; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4291 int save_nfa_match = nfa_match; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4292 int save_nfa_listid = nfa_listid; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4293 save_se_T *save_nfa_endp = nfa_endp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4294 save_se_T endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4295 save_se_T *endposp = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4296 int result; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4297 int need_restore = FALSE; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4298 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4299 if (state->c == NFA_START_INVISIBLE_BEFORE |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4300 || state->c == NFA_START_INVISIBLE_BEFORE_NEG) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4301 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4302 /* The recursive match must end at the current position. */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4303 endposp = &endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4304 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4305 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4306 endpos.se_u.pos.col = (int)(reginput - regline); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4307 endpos.se_u.pos.lnum = reglnum; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4308 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4309 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4310 endpos.se_u.ptr = reginput; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4311 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4312 /* Go back the specified number of bytes, or as far as the |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4313 * start of the previous line, to try matching "\@<=" or |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
4314 * not matching "\@<!". This is very ineffecient, limit the number of |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
4315 * bytes if possible. */ |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4316 if (state->val <= 0) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4317 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4318 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4319 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4320 regline = reg_getline(--reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4321 if (regline == NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4322 /* can't go before the first line */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4323 regline = reg_getline(++reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4324 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4325 reginput = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4326 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4327 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4328 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4329 if (REG_MULTI && (int)(reginput - regline) < state->val) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4330 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4331 /* Not enough bytes in this line, go to end of |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4332 * previous line. */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4333 regline = reg_getline(--reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4334 if (regline == NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4335 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4336 /* can't go before the first line */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4337 regline = reg_getline(++reglnum); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4338 reginput = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4339 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4340 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4341 reginput = regline + STRLEN(regline); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4342 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4343 if ((int)(reginput - regline) >= state->val) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4344 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4345 reginput -= state->val; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4346 #ifdef FEAT_MBYTE |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4347 if (has_mbyte) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4348 reginput -= mb_head_off(regline, reginput); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4349 #endif |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4350 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4351 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4352 reginput = regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4353 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4354 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4355 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4356 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4357 if (log_fd != stderr) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4358 fclose(log_fd); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4359 log_fd = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4360 #endif |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4361 /* Have to clear the lastlist field of the NFA nodes, so that |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4362 * nfa_regmatch() and addstate() can run properly after recursion. */ |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4363 if (nfa_ll_index == 1) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4364 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4365 /* Already calling nfa_regmatch() recursively. Save the lastlist[1] |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4366 * values and clear them. */ |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4367 if (*listids == NULL) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4368 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4369 *listids = (int *)lalloc(sizeof(int) * nstate, TRUE); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4370 if (*listids == NULL) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4371 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4372 EMSG(_("E878: (NFA) Could not allocate memory for branch traversal!")); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4373 return 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4374 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4375 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4376 nfa_save_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4377 need_restore = TRUE; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4378 /* any value of nfa_listid will do */ |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4379 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4380 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4381 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4382 /* First recursive nfa_regmatch() call, switch to the second lastlist |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4383 * entry. Make sure nfa_listid is different from a previous recursive |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4384 * call, because some states may still have this ID. */ |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4385 ++nfa_ll_index; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4386 if (nfa_listid <= nfa_alt_listid) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4387 nfa_listid = nfa_alt_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4388 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4389 |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4390 /* Call nfa_regmatch() to check if the current concat matches at this |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4391 * position. The concat ends with the node NFA_END_INVISIBLE */ |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4392 nfa_endp = endposp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4393 result = nfa_regmatch(prog, state->out, submatch, m); |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4394 |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4395 if (need_restore) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4396 nfa_restore_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4397 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4398 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4399 --nfa_ll_index; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4400 nfa_alt_listid = nfa_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4401 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4402 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4403 /* restore position in input text */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4404 reginput = save_reginput; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4405 regline = save_regline; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4406 reglnum = save_reglnum; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4407 nfa_match = save_nfa_match; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4408 nfa_endp = save_nfa_endp; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4409 nfa_listid = save_nfa_listid; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4410 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4411 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4412 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4413 if (log_fd != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4414 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4415 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4416 fprintf(log_fd, "FINISHED RUNNING nfa_regmatch() recursively\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4417 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : "FALSE"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4418 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4419 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4420 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4421 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4422 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... ")); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4423 log_fd = stderr; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4424 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4425 #endif |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4426 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4427 return result; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4428 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4429 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4430 static int failure_chance __ARGS((nfa_state_T *state, int depth)); |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4431 static int skip_to_start __ARGS((int c, colnr_T *colp)); |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4432 static long find_match_text __ARGS((colnr_T startcol, int regstart, char_u *match_text)); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4433 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4434 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4435 * Estimate the chance of a match with "state" failing. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4436 * NFA_ANY: 1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4437 * specific character: 99 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4438 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4439 static int |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4440 failure_chance(state, depth) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4441 nfa_state_T *state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4442 int depth; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4443 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4444 int c = state->c; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4445 int l, r; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4446 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4447 /* detect looping */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4448 if (depth > 4) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4449 return 1; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4450 |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4451 switch (c) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4452 { |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4453 case NFA_SPLIT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4454 if (state->out->c == NFA_SPLIT || state->out1->c == NFA_SPLIT) |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4455 /* avoid recursive stuff */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4456 return 1; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4457 /* two alternatives, use the lowest failure chance */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4458 l = failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4459 r = failure_chance(state->out1, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4460 return l < r ? l : r; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4461 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4462 case NFA_ANY: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4463 /* matches anything, unlikely to fail */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4464 return 1; |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4465 case NFA_MATCH: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4466 /* empty match works always */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4467 return 0; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4468 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4469 case NFA_BOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4470 case NFA_EOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4471 case NFA_BOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4472 case NFA_EOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4473 case NFA_NEWL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4474 return 99; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4475 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4476 case NFA_BOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4477 case NFA_EOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4478 return 90; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4479 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4480 case NFA_MOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4481 case NFA_MOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4482 case NFA_MOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4483 case NFA_MOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4484 case NFA_MOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4485 case NFA_MOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4486 case NFA_MOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4487 case NFA_MOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4488 case NFA_MOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4489 case NFA_MOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4490 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4491 case NFA_ZOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4492 case NFA_ZOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4493 case NFA_ZOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4494 case NFA_ZOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4495 case NFA_ZOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4496 case NFA_ZOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4497 case NFA_ZOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4498 case NFA_ZOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4499 case NFA_ZOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4500 case NFA_ZOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4501 case NFA_ZCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4502 case NFA_ZCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4503 case NFA_ZCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4504 case NFA_ZCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4505 case NFA_ZCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4506 case NFA_ZCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4507 case NFA_ZCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4508 case NFA_ZCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4509 case NFA_ZCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4510 case NFA_ZCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4511 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4512 case NFA_NOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4513 case NFA_MCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4514 case NFA_MCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4515 case NFA_MCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4516 case NFA_MCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4517 case NFA_MCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4518 case NFA_MCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4519 case NFA_MCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4520 case NFA_MCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4521 case NFA_MCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4522 case NFA_MCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4523 case NFA_NCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4524 return failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4525 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4526 case NFA_BACKREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4527 case NFA_BACKREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4528 case NFA_BACKREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4529 case NFA_BACKREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4530 case NFA_BACKREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4531 case NFA_BACKREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4532 case NFA_BACKREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4533 case NFA_BACKREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4534 case NFA_BACKREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4535 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4536 case NFA_ZREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4537 case NFA_ZREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4538 case NFA_ZREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4539 case NFA_ZREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4540 case NFA_ZREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4541 case NFA_ZREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4542 case NFA_ZREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4543 case NFA_ZREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4544 case NFA_ZREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4545 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4546 /* backreferences don't match in many places */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4547 return 94; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4548 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4549 case NFA_LNUM_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4550 case NFA_LNUM_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4551 case NFA_COL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4552 case NFA_COL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4553 case NFA_VCOL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4554 case NFA_VCOL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4555 case NFA_MARK_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4556 case NFA_MARK_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4557 case NFA_VISUAL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4558 /* before/after positions don't match very often */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4559 return 85; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4560 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4561 case NFA_LNUM: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4562 return 90; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4563 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4564 case NFA_CURSOR: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4565 case NFA_COL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4566 case NFA_VCOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4567 case NFA_MARK: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4568 /* specific positions rarely match */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4569 return 98; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4570 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4571 case NFA_COMPOSING: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4572 return 95; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4573 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4574 default: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4575 if (c > 0) |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4576 /* character match fails often */ |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4577 return 95; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4578 } |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4579 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4580 /* something else, includes character classes */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4581 return 50; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4582 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4583 |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4584 /* |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4585 * Skip until the char "c" we know a match must start with. |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4586 */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4587 static int |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4588 skip_to_start(c, colp) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4589 int c; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4590 colnr_T *colp; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4591 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4592 char_u *s; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4593 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4594 /* Used often, do some work to avoid call overhead. */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4595 if (!ireg_ic |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4596 #ifdef FEAT_MBYTE |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4597 && !has_mbyte |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4598 #endif |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4599 ) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4600 s = vim_strbyte(regline + *colp, c); |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4601 else |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4602 s = cstrchr(regline + *colp, c); |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4603 if (s == NULL) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4604 return FAIL; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4605 *colp = (int)(s - regline); |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4606 return OK; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4607 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4608 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4609 /* |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4610 * Check for a match with match_text. |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
4611 * Called after skip_to_start() has found regstart. |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4612 * Returns zero for no match, 1 for a match. |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4613 */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4614 static long |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4615 find_match_text(startcol, regstart, match_text) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4616 colnr_T startcol; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4617 int regstart; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4618 char_u *match_text; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4619 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4620 colnr_T col = startcol; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4621 int c1, c2; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4622 int len1, len2; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4623 int match; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4624 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4625 for (;;) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4626 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4627 match = TRUE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4628 len2 = MB_CHAR2LEN(regstart); /* skip regstart */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4629 for (len1 = 0; match_text[len1] != NUL; len1 += MB_CHAR2LEN(c1)) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4630 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4631 c1 = PTR2CHAR(match_text + len1); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4632 c2 = PTR2CHAR(regline + col + len2); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4633 if (c1 != c2 && (!ireg_ic || MB_TOLOWER(c1) != MB_TOLOWER(c2))) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4634 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4635 match = FALSE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4636 break; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4637 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4638 len2 += MB_CHAR2LEN(c2); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4639 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4640 if (match |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4641 #ifdef FEAT_MBYTE |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4642 /* check that no composing char follows */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4643 && !(enc_utf8 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4644 && utf_iscomposing(PTR2CHAR(regline + col + len2))) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4645 #endif |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4646 ) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4647 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4648 cleanup_subexpr(); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4649 if (REG_MULTI) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4650 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4651 reg_startpos[0].lnum = reglnum; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4652 reg_startpos[0].col = col; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4653 reg_endpos[0].lnum = reglnum; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4654 reg_endpos[0].col = col + len2; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4655 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4656 else |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4657 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4658 reg_startp[0] = regline + col; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4659 reg_endp[0] = regline + col + len2; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4660 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4661 return 1L; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4662 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4663 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4664 /* Try finding regstart after the current match. */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4665 col += MB_CHAR2LEN(regstart); /* skip regstart */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4666 if (skip_to_start(regstart, &col) == FAIL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4667 break; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4668 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4669 return 0L; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4670 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4671 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4672 /* |
| 4444 | 4673 * Main matching routine. |
| 4674 * | |
| 4675 * Run NFA to determine whether it matches reginput. | |
| 4676 * | |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4677 * 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
|
4678 * |
| 4444 | 4679 * Return TRUE if there is a match, FALSE otherwise. |
| 4680 * Note: Caller must ensure that: start != NULL. | |
| 4681 */ | |
| 4682 static int | |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4683 nfa_regmatch(prog, start, submatch, m) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4684 nfa_regprog_T *prog; |
| 4444 | 4685 nfa_state_T *start; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4686 regsubs_T *submatch; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4687 regsubs_T *m; |
| 4444 | 4688 { |
| 4689 int result; | |
| 4690 int size = 0; | |
| 4691 int flag = 0; | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4692 int go_to_nextline = FALSE; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4693 nfa_thread_T *t; |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
4694 nfa_list_T list[2]; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4695 int listidx; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4696 nfa_list_T *thislist; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4697 nfa_list_T *nextlist; |
| 4444 | 4698 int *listids = NULL; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4699 nfa_state_T *add_state; |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
4700 int add_here; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4701 int add_count; |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4702 int add_off; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4703 garray_T pimlist; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4704 int toplevel = start->c == NFA_MOPEN; |
| 4460 | 4705 #ifdef NFA_REGEXP_DEBUG_LOG |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4706 FILE *debug = fopen(NFA_REGEXP_DEBUG_LOG, "a"); |
| 4444 | 4707 |
| 4708 if (debug == NULL) | |
| 4709 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4710 EMSG2(_("(NFA) COULD NOT OPEN %s !"), NFA_REGEXP_DEBUG_LOG); |
| 4444 | 4711 return FALSE; |
| 4712 } | |
| 4713 #endif | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4714 nfa_match = FALSE; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4715 ga_init2(&pimlist, sizeof(nfa_pim_T), 5); |
| 4444 | 4716 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4717 /* Allocate memory for the lists of nodes. */ |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4718 size = (nstate + 1) * sizeof(nfa_thread_T); |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
4719 list[0].t = (nfa_thread_T *)lalloc(size, TRUE); |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4720 list[0].len = nstate + 1; |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
4721 list[1].t = (nfa_thread_T *)lalloc(size, TRUE); |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4722 list[1].len = nstate + 1; |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
4723 if (list[0].t == NULL || list[1].t == NULL) |
| 4444 | 4724 goto theend; |
| 4725 | |
| 4726 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4727 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 4728 if (log_fd != NULL) |
| 4729 { | |
| 4730 fprintf(log_fd, "**********************************\n"); | |
| 4731 nfa_set_code(start->c); | |
| 4732 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n", | |
| 4733 abs(start->id), code); | |
| 4734 fprintf(log_fd, "**********************************\n"); | |
| 4735 } | |
| 4736 else | |
| 4737 { | |
| 4738 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... ")); | |
| 4739 log_fd = stderr; | |
| 4740 } | |
| 4741 #endif | |
| 4742 | |
| 4743 thislist = &list[0]; | |
| 4744 thislist->n = 0; | |
| 4745 nextlist = &list[1]; | |
| 4746 nextlist->n = 0; | |
| 4747 #ifdef ENABLE_LOG | |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4748 fprintf(log_fd, "(---) STARTSTATE first\n"); |
| 4444 | 4749 #endif |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4750 thislist->id = nfa_listid + 1; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4751 |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4752 /* Inline optimized code for addstate(thislist, start, m, 0) if we know |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4753 * it's the first MOPEN. */ |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4754 if (toplevel) |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4755 { |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4756 if (REG_MULTI) |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4757 { |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4758 m->norm.list.multi[0].start.lnum = reglnum; |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4759 m->norm.list.multi[0].start.col = (colnr_T)(reginput - regline); |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4760 } |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4761 else |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4762 m->norm.list.line[0].start = reginput; |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4763 m->norm.in_use = 1; |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4764 addstate(thislist, start->out, m, 0); |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4765 } |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4766 else |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4767 addstate(thislist, start, m, 0); |
| 4444 | 4768 |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
4769 #define ADD_STATE_IF_MATCH(state) \ |
|
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
4770 if (result) { \ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4771 add_state = state->out; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4772 add_off = clen; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4773 } |
| 4444 | 4774 |
| 4775 /* | |
| 4776 * Run for each character. | |
| 4777 */ | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4778 for (;;) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4779 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4780 int curc; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4781 int clen; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4782 |
| 4444 | 4783 #ifdef FEAT_MBYTE |
| 4784 if (has_mbyte) | |
| 4785 { | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4786 curc = (*mb_ptr2char)(reginput); |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4787 clen = (*mb_ptr2len)(reginput); |
| 4444 | 4788 } |
| 4789 else | |
| 4790 #endif | |
| 4791 { | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4792 curc = *reginput; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4793 clen = 1; |
| 4444 | 4794 } |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4795 if (curc == NUL) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4796 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4797 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4798 go_to_nextline = FALSE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4799 } |
| 4444 | 4800 |
| 4801 /* swap lists */ | |
| 4802 thislist = &list[flag]; | |
| 4803 nextlist = &list[flag ^= 1]; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4804 nextlist->n = 0; /* clear nextlist */ |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4805 ++nfa_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4806 thislist->id = nfa_listid; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4807 nextlist->id = nfa_listid + 1; |
| 4444 | 4808 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4809 pimlist.ga_len = 0; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4810 |
| 4444 | 4811 #ifdef ENABLE_LOG |
| 4812 fprintf(log_fd, "------------------------------------------\n"); | |
| 4813 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
|
4814 fprintf(log_fd, ">>> Advanced one character ... Current char is %c (code %d) \n", curc, (int)curc); |
| 4444 | 4815 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
|
4816 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4817 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4818 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4819 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4820 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
|
4821 } |
| 4444 | 4822 fprintf(log_fd, "\n"); |
| 4823 #endif | |
| 4824 | |
| 4460 | 4825 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 4826 fprintf(debug, "\n-------------------\n"); |
| 4827 #endif | |
| 4480 | 4828 /* |
| 4829 * If the state lists are empty we can stop. | |
| 4830 */ | |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
4831 if (thislist->n == 0) |
| 4480 | 4832 break; |
| 4444 | 4833 |
| 4834 /* compute nextlist */ | |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
4835 for (listidx = 0; listidx < thislist->n; ++listidx) |
| 4444 | 4836 { |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
4837 t = &thislist->t[listidx]; |
| 4444 | 4838 |
| 4460 | 4839 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 4840 nfa_set_code(t->state->c); |
| 4841 fprintf(debug, "%s, ", code); | |
| 4842 #endif | |
| 4843 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4844 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4845 int col; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4846 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4847 if (t->subs.norm.in_use <= 0) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4848 col = -1; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4849 else if (REG_MULTI) |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4850 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
|
4851 else |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
4852 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
|
4853 nfa_set_code(t->state->c); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4854 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
|
4855 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
|
4856 } |
| 4444 | 4857 #endif |
| 4858 | |
| 4859 /* | |
| 4860 * Handle the possible codes of the current state. | |
| 4861 * The most important is NFA_MATCH. | |
| 4862 */ | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4863 add_state = NULL; |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
4864 add_here = FALSE; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4865 add_count = 0; |
| 4444 | 4866 switch (t->state->c) |
| 4867 { | |
| 4868 case NFA_MATCH: | |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
4869 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4870 nfa_match = TRUE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4871 copy_sub(&submatch->norm, &t->subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4872 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4873 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4874 copy_sub(&submatch->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4875 #endif |
| 4444 | 4876 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4877 log_subsexpr(&t->subs); |
| 4444 | 4878 #endif |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4879 /* 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
|
4880 * 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
|
4881 * 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
|
4882 * correct. */ |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
4883 if (nextlist->n == 0) |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4884 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4885 goto nextchar; |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
4886 } |
| 4444 | 4887 |
| 4888 case NFA_END_INVISIBLE: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4889 case NFA_END_INVISIBLE_NEG: |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4890 case NFA_END_PATTERN: |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4891 /* |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4892 * This is only encountered after a NFA_START_INVISIBLE or |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4893 * NFA_START_INVISIBLE_BEFORE node. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4894 * They surround a zero-width group, used with "\@=", "\&", |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4895 * "\@!", "\@<=" and "\@<!". |
| 4444 | 4896 * If we got here, it means that the current "invisible" group |
| 4897 * finished successfully, so return control to the parent | |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4898 * nfa_regmatch(). For a look-behind match only when it ends |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4899 * in the position in "nfa_endp". |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4900 * Submatches are stored in *m, and used in the parent call. |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4901 */ |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4902 #ifdef ENABLE_LOG |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4903 if (nfa_endp != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4904 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4905 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4906 fprintf(log_fd, "Current lnum: %d, endp lnum: %d; current col: %d, endp col: %d\n", |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4907 (int)reglnum, |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4908 (int)nfa_endp->se_u.pos.lnum, |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4909 (int)(reginput - regline), |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4910 nfa_endp->se_u.pos.col); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4911 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4912 fprintf(log_fd, "Current col: %d, endp col: %d\n", |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4913 (int)(reginput - regline), |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4914 (int)(nfa_endp->se_u.ptr - reginput)); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4915 } |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4916 #endif |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4917 /* If "nfa_endp" is set it's only a match if it ends at |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4918 * "nfa_endp" */ |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4919 if (nfa_endp != NULL && (REG_MULTI |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4920 ? (reglnum != nfa_endp->se_u.pos.lnum |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4921 || (int)(reginput - regline) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4922 != nfa_endp->se_u.pos.col) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4923 : reginput != nfa_endp->se_u.ptr)) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4924 break; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4925 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4926 /* do not set submatches for \@! */ |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4927 if (t->state->c != NFA_END_INVISIBLE_NEG) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4928 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4929 copy_sub(&m->norm, &t->subs.norm); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4930 #ifdef FEAT_SYN_HL |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4931 if (nfa_has_zsubexpr) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4932 copy_sub(&m->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4933 #endif |
| 4444 | 4934 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4935 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4936 fprintf(log_fd, "Match found:\n"); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4937 log_subsexpr(m); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
4938 #endif |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4939 nfa_match = TRUE; |
| 4444 | 4940 break; |
| 4941 | |
| 4942 case NFA_START_INVISIBLE: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4943 case NFA_START_INVISIBLE_NEG: |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
4944 case NFA_START_INVISIBLE_BEFORE: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4945 case NFA_START_INVISIBLE_BEFORE_NEG: |
| 4444 | 4946 { |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4947 nfa_pim_T *pim; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4948 int cout = t->state->out1->out->c; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4949 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4950 /* Do it directly when what follows is possibly end of |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4951 * match (closing paren). |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4952 * Postpone when it is \@<= or \@<!, these are expensive. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4953 * TODO: remove the check for t->pim and check multiple |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4954 * where it's used? |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4955 * Otherwise first do the one that has the highest chance |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4956 * of failing. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4957 if ((cout >= NFA_MCLOSE && cout <= NFA_MCLOSE9) |
|
4734
532c31f9e92f
updated for version 7.3.1114
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
4958 #ifdef FEAT_SYN_HL |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4959 || (cout >= NFA_ZCLOSE && cout <= NFA_ZCLOSE9) |
|
4734
532c31f9e92f
updated for version 7.3.1114
Bram Moolenaar <bram@vim.org>
parents:
4732
diff
changeset
|
4960 #endif |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4961 || t->pim != NULL |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4962 || (t->state->c != NFA_START_INVISIBLE_BEFORE |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4963 && t->state->c != NFA_START_INVISIBLE_BEFORE_NEG |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4964 && failure_chance(t->state->out1->out, 0) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4965 < failure_chance(t->state->out, 0))) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4966 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4967 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4968 * First try matching the invisible match, then what |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4969 * follows. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4970 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4971 result = recursive_regmatch(t->state, prog, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4972 submatch, m, &listids); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4973 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4974 /* for \@! and \@<! it is a match when the result is |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4975 * FALSE */ |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4976 if (result != (t->state->c == NFA_START_INVISIBLE_NEG |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4977 || t->state->c |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4978 == NFA_START_INVISIBLE_BEFORE_NEG)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4979 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4980 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4981 copy_sub_off(&t->subs.norm, &m->norm); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4982 #ifdef FEAT_SYN_HL |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
4983 if (nfa_has_zsubexpr) |
|
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
4984 copy_sub_off(&t->subs.synt, &m->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4985 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4986 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4987 /* t->state->out1 is the corresponding |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4988 * END_INVISIBLE node; Add its out to the current |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4989 * list (zero-width match). */ |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
4990 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
4991 add_state = t->state->out1->out; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4992 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4993 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4994 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4995 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4996 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4997 * First try matching what follows at the current |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
4998 * position. Only if a match is found, before |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
4999 * addstate() is called, then verify the invisible |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5000 * match matches. Add a nfa_pim_T to the following |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5001 * states, it contains info about the invisible match. |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5002 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5003 if (ga_grow(&pimlist, 1) == FAIL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5004 goto theend; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5005 pim = (nfa_pim_T *)pimlist.ga_data + pimlist.ga_len; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5006 ++pimlist.ga_len; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5007 pim->state = t->state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5008 pim->pim = NULL; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5009 pim->result = NFA_PIM_TODO; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5010 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5011 /* t->state->out1 is the corresponding END_INVISIBLE |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5012 * node; Add its out to the current list (zero-width |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5013 * match). */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5014 addstate_here(thislist, t->state->out1->out, &t->subs, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5015 pim, &listidx); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5016 } |
| 4444 | 5017 } |
| 5018 break; | |
| 5019 | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5020 case NFA_START_PATTERN: |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5021 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5022 nfa_state_T *skip = NULL; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5023 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5024 int skip_lid = 0; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5025 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5026 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5027 /* There is no point in trying to match the pattern if the |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5028 * output state is not going to be added to the list. */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5029 if (state_in_list(nextlist, t->state->out1->out, &t->subs)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5030 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5031 skip = t->state->out1->out; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5032 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5033 skip_lid = nextlist->id; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5034 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5035 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5036 else if (state_in_list(nextlist, |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5037 t->state->out1->out->out, &t->subs)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5038 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5039 skip = t->state->out1->out->out; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5040 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5041 skip_lid = nextlist->id; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5042 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5043 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5044 else if(state_in_list(thislist, |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5045 t->state->out1->out->out, &t->subs)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5046 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5047 skip = t->state->out1->out->out; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5048 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5049 skip_lid = thislist->id; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5050 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5051 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5052 if (skip != NULL) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5053 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5054 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5055 nfa_set_code(skip->c); |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5056 fprintf(log_fd, "> Not trying to match pattern, output state %d is already in list %d. char %d: %s\n", |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5057 abs(skip->id), skip_lid, skip->c, code); |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5058 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5059 break; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5060 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5061 |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5062 /* First try matching the pattern. */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5063 result = recursive_regmatch(t->state, prog, |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5064 submatch, m, &listids); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5065 if (result) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5066 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5067 int bytelen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5068 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5069 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5070 fprintf(log_fd, "NFA_START_PATTERN matches:\n"); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5071 log_subsexpr(m); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5072 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5073 /* Copy submatch info from the recursive call */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5074 copy_sub_off(&t->subs.norm, &m->norm); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5075 #ifdef FEAT_SYN_HL |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5076 if (nfa_has_zsubexpr) |
|
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5077 copy_sub_off(&t->subs.synt, &m->synt); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5078 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5079 /* Now we need to skip over the matched text and then |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5080 * continue with what follows. */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5081 if (REG_MULTI) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5082 /* TODO: multi-line match */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5083 bytelen = m->norm.list.multi[0].end.col |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5084 - (int)(reginput - regline); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5085 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5086 bytelen = (int)(m->norm.list.line[0].end - reginput); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5087 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5088 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5089 fprintf(log_fd, "NFA_START_PATTERN length: %d\n", bytelen); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5090 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5091 if (bytelen == 0) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5092 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5093 /* empty match, output of corresponding |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5094 * NFA_END_PATTERN/NFA_SKIP to be used at current |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5095 * position */ |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5096 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5097 add_state = t->state->out1->out->out; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5098 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5099 else if (bytelen <= clen) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5100 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5101 /* match current character, output of corresponding |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5102 * NFA_END_PATTERN to be used at next position. */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5103 add_state = t->state->out1->out->out; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5104 add_off = clen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5105 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5106 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5107 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5108 /* skip over the matched characters, set character |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5109 * count in NFA_SKIP */ |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5110 add_state = t->state->out1->out; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5111 add_off = bytelen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5112 add_count = bytelen - clen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5113 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5114 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5115 break; |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5116 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5117 |
| 4444 | 5118 case NFA_BOL: |
| 5119 if (reginput == regline) | |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5120 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5121 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5122 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5123 } |
| 4444 | 5124 break; |
| 5125 | |
| 5126 case NFA_EOL: | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5127 if (curc == NUL) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5128 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5129 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5130 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5131 } |
| 4444 | 5132 break; |
| 5133 | |
| 5134 case NFA_BOW: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5135 result = TRUE; |
| 4444 | 5136 |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5137 if (curc == NUL) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5138 result = FALSE; |
| 4444 | 5139 #ifdef FEAT_MBYTE |
| 5140 else if (has_mbyte) | |
| 5141 { | |
| 5142 int this_class; | |
| 5143 | |
| 5144 /* Get class of current and previous char (if it exists). */ | |
| 4503 | 5145 this_class = mb_get_class_buf(reginput, reg_buf); |
| 4444 | 5146 if (this_class <= 1) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5147 result = FALSE; |
| 4444 | 5148 else if (reg_prev_class() == this_class) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5149 result = FALSE; |
| 4444 | 5150 } |
| 5151 #endif | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5152 else if (!vim_iswordc_buf(curc, reg_buf) |
| 4503 | 5153 || (reginput > regline |
| 5154 && vim_iswordc_buf(reginput[-1], reg_buf))) | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5155 result = FALSE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5156 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5157 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5158 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5159 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5160 } |
| 4444 | 5161 break; |
| 5162 | |
| 5163 case NFA_EOW: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5164 result = TRUE; |
| 4444 | 5165 if (reginput == regline) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5166 result = FALSE; |
| 4444 | 5167 #ifdef FEAT_MBYTE |
| 5168 else if (has_mbyte) | |
| 5169 { | |
| 5170 int this_class, prev_class; | |
| 5171 | |
| 5172 /* Get class of current and previous char (if it exists). */ | |
| 4503 | 5173 this_class = mb_get_class_buf(reginput, reg_buf); |
| 4444 | 5174 prev_class = reg_prev_class(); |
| 5175 if (this_class == prev_class | |
| 5176 || prev_class == 0 || prev_class == 1) | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5177 result = FALSE; |
| 4444 | 5178 } |
| 5179 #endif | |
| 4503 | 5180 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
|
5181 || (reginput[0] != NUL |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5182 && vim_iswordc_buf(curc, reg_buf))) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5183 result = FALSE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5184 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5185 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5186 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5187 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5188 } |
| 4444 | 5189 break; |
| 5190 | |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5191 case NFA_BOF: |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5192 if (reglnum == 0 && reginput == regline |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5193 && (!REG_MULTI || reg_firstlnum == 1)) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5194 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5195 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5196 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5197 } |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5198 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5199 |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5200 case NFA_EOF: |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5201 if (reglnum == reg_maxline && curc == NUL) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5202 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5203 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5204 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5205 } |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5206 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5207 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5208 #ifdef FEAT_MBYTE |
| 4444 | 5209 case NFA_COMPOSING: |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5210 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5211 int mc = curc; |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5212 int len = 0; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5213 nfa_state_T *end; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5214 nfa_state_T *sta; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5215 int cchars[MAX_MCO]; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5216 int ccount = 0; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5217 int j; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5218 |
| 4444 | 5219 sta = t->state->out; |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5220 len = 0; |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5221 if (utf_iscomposing(sta->c)) |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5222 { |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5223 /* Only match composing character(s), ignore base |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5224 * character. Used for ".{composing}" and "{composing}" |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5225 * (no preceding character). */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5226 len += mb_char2len(mc); |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5227 } |
|
4551
f0c37f5cf4ea
updated for version 7.3.1023
Bram Moolenaar <bram@vim.org>
parents:
4549
diff
changeset
|
5228 if (ireg_icombine && len == 0) |
| 4444 | 5229 { |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5230 /* If \Z was present, then ignore composing characters. |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5231 * When ignoring the base character this always matches. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5232 if (len == 0 && sta->c != curc) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5233 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5234 else |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5235 result = OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5236 while (sta->c != NFA_END_COMPOSING) |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5237 sta = sta->out; |
| 4444 | 5238 } |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5239 |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5240 /* Check base character matches first, unless ignored. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5241 else if (len > 0 || mc == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5242 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5243 if (len == 0) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5244 { |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5245 len += mb_char2len(mc); |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5246 sta = sta->out; |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5247 } |
| 4444 | 5248 |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5249 /* 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
|
5250 * Get them into cchars[] first. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5251 while (len < clen) |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5252 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5253 mc = mb_ptr2char(reginput + len); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5254 cchars[ccount++] = mc; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5255 len += mb_char2len(mc); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5256 if (ccount == MAX_MCO) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5257 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5258 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5259 |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5260 /* 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
|
5261 * 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
|
5262 * composing chars are matched. */ |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5263 result = OK; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5264 while (sta->c != NFA_END_COMPOSING) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5265 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5266 for (j = 0; j < ccount; ++j) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5267 if (cchars[j] == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5268 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5269 if (j == ccount) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5270 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5271 result = FAIL; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5272 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5273 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5274 sta = sta->out; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5275 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5276 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5277 else |
|
4525
36ddcf4cecbc
updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents:
4517
diff
changeset
|
5278 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5279 |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5280 end = t->state->out1; /* NFA_END_COMPOSING */ |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5281 ADD_STATE_IF_MATCH(end); |
| 4444 | 5282 break; |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5283 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5284 #endif |
| 4444 | 5285 |
| 5286 case NFA_NEWL: | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5287 if (curc == NUL && !reg_line_lbr && REG_MULTI |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5288 && reglnum <= reg_maxline) |
| 4444 | 5289 { |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5290 go_to_nextline = TRUE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5291 /* 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
|
5292 * at the start of the next line. */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5293 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5294 add_off = -1; |
| 4444 | 5295 } |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5296 else if (curc == '\n' && reg_line_lbr) |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5297 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5298 /* match \n as if it is an ordinary character */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5299 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5300 add_off = 1; |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5301 } |
| 4444 | 5302 break; |
| 5303 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5304 case NFA_START_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5305 case NFA_START_NEG_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5306 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5307 /* What follows is a list of characters, until NFA_END_COLL. |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5308 * One of them must match or none of them must match. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5309 nfa_state_T *state; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5310 int result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5311 int c1, c2; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5312 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5313 /* Never match EOL. If it's part of the collection it is added |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5314 * as a separate state with an OR. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5315 if (curc == NUL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5316 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5317 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5318 state = t->state->out; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5319 result_if_matched = (t->state->c == NFA_START_COLL); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5320 for (;;) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5321 { |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5322 if (state->c == NFA_END_COLL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5323 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5324 result = !result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5325 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5326 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5327 if (state->c == NFA_RANGE_MIN) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5328 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5329 c1 = state->val; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5330 state = state->out; /* advance to NFA_RANGE_MAX */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5331 c2 = state->val; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5332 #ifdef ENABLE_LOG |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5333 fprintf(log_fd, "NFA_RANGE_MIN curc=%d c1=%d c2=%d\n", |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5334 curc, c1, c2); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5335 #endif |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5336 if (curc >= c1 && curc <= c2) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5337 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5338 result = result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5339 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5340 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5341 if (ireg_ic) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5342 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5343 int curc_low = MB_TOLOWER(curc); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5344 int done = FALSE; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5345 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5346 for ( ; c1 <= c2; ++c1) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5347 if (MB_TOLOWER(c1) == curc_low) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5348 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5349 result = result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5350 done = TRUE; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5351 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5352 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5353 if (done) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5354 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5355 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5356 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5357 else if (state->c < 0 ? check_char_class(state->c, curc) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5358 : (curc == state->c |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5359 || (ireg_ic && MB_TOLOWER(curc) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5360 == MB_TOLOWER(state->c)))) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5361 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5362 result = result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5363 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5364 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5365 state = state->out; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5366 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5367 if (result) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5368 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5369 /* next state is in out of the NFA_END_COLL, out1 of |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5370 * START points to the END state */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5371 add_state = t->state->out1->out; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5372 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5373 } |
| 4444 | 5374 break; |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5375 } |
| 4444 | 5376 |
| 5377 case NFA_ANY: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5378 /* 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
|
5379 if (curc > 0) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5380 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5381 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5382 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5383 } |
| 4444 | 5384 break; |
| 5385 | |
| 5386 /* | |
| 5387 * Character classes like \a for alpha, \d for digit etc. | |
| 5388 */ | |
| 5389 case NFA_IDENT: /* \i */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5390 result = vim_isIDc(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5391 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5392 break; |
| 5393 | |
| 5394 case NFA_SIDENT: /* \I */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5395 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5396 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5397 break; |
| 5398 | |
| 5399 case NFA_KWORD: /* \k */ | |
| 4503 | 5400 result = vim_iswordp_buf(reginput, reg_buf); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5401 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5402 break; |
| 5403 | |
| 5404 case NFA_SKWORD: /* \K */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5405 result = !VIM_ISDIGIT(curc) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5406 && vim_iswordp_buf(reginput, reg_buf); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5407 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5408 break; |
| 5409 | |
| 5410 case NFA_FNAME: /* \f */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5411 result = vim_isfilec(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5412 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5413 break; |
| 5414 | |
| 5415 case NFA_SFNAME: /* \F */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5416 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5417 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5418 break; |
| 5419 | |
| 5420 case NFA_PRINT: /* \p */ | |
| 4470 | 5421 result = ptr2cells(reginput) == 1; |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5422 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5423 break; |
| 5424 | |
| 5425 case NFA_SPRINT: /* \P */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5426 result = !VIM_ISDIGIT(curc) && ptr2cells(reginput) == 1; |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5427 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5428 break; |
| 5429 | |
| 5430 case NFA_WHITE: /* \s */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5431 result = vim_iswhite(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5432 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5433 break; |
| 5434 | |
| 5435 case NFA_NWHITE: /* \S */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5436 result = curc != NUL && !vim_iswhite(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5437 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5438 break; |
| 5439 | |
| 5440 case NFA_DIGIT: /* \d */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5441 result = ri_digit(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5442 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5443 break; |
| 5444 | |
| 5445 case NFA_NDIGIT: /* \D */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5446 result = curc != NUL && !ri_digit(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5447 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5448 break; |
| 5449 | |
| 5450 case NFA_HEX: /* \x */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5451 result = ri_hex(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5452 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5453 break; |
| 5454 | |
| 5455 case NFA_NHEX: /* \X */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5456 result = curc != NUL && !ri_hex(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5457 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5458 break; |
| 5459 | |
| 5460 case NFA_OCTAL: /* \o */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5461 result = ri_octal(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5462 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5463 break; |
| 5464 | |
| 5465 case NFA_NOCTAL: /* \O */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5466 result = curc != NUL && !ri_octal(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5467 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5468 break; |
| 5469 | |
| 5470 case NFA_WORD: /* \w */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5471 result = ri_word(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5472 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5473 break; |
| 5474 | |
| 5475 case NFA_NWORD: /* \W */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5476 result = curc != NUL && !ri_word(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5477 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5478 break; |
| 5479 | |
| 5480 case NFA_HEAD: /* \h */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5481 result = ri_head(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5482 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5483 break; |
| 5484 | |
| 5485 case NFA_NHEAD: /* \H */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5486 result = curc != NUL && !ri_head(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5487 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5488 break; |
| 5489 | |
| 5490 case NFA_ALPHA: /* \a */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5491 result = ri_alpha(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5492 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5493 break; |
| 5494 | |
| 5495 case NFA_NALPHA: /* \A */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5496 result = curc != NUL && !ri_alpha(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5497 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5498 break; |
| 5499 | |
| 5500 case NFA_LOWER: /* \l */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5501 result = ri_lower(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5502 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5503 break; |
| 5504 | |
| 5505 case NFA_NLOWER: /* \L */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5506 result = curc != NUL && !ri_lower(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5507 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5508 break; |
| 5509 | |
| 5510 case NFA_UPPER: /* \u */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5511 result = ri_upper(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5512 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5513 break; |
| 5514 | |
| 5515 case NFA_NUPPER: /* \U */ | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5516 result = curc != NUL && !ri_upper(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5517 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5518 break; |
| 5519 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5520 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5521 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5522 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5523 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5524 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5525 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5526 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5527 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5528 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5529 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5530 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5531 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5532 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5533 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5534 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5535 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5536 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5537 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5538 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5539 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5540 /* \1 .. \9 \z1 .. \z9 */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5541 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5542 int subidx; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5543 int bytelen; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5544 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5545 if (t->state->c <= NFA_BACKREF9) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5546 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5547 subidx = t->state->c - NFA_BACKREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5548 result = match_backref(&t->subs.norm, subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5549 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5550 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5551 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5552 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5553 subidx = t->state->c - NFA_ZREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5554 result = match_zref(subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5555 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5556 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5557 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5558 if (result) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5559 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5560 if (bytelen == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5561 { |
|
4692
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
5562 /* 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
|
5563 * used next */ |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5564 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5565 add_state = t->state->out->out; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5566 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5567 else if (bytelen <= clen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5568 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5569 /* match current character, jump ahead to out of |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5570 * NFA_SKIP */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5571 add_state = t->state->out->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5572 add_off = clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5573 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5574 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5575 { |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
5576 /* skip over the matched characters, set character |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5577 * count in NFA_SKIP */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5578 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5579 add_off = bytelen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5580 add_count = bytelen - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5581 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5582 } |
| 4482 | 5583 break; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5584 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5585 case NFA_SKIP: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
5586 /* character of previous matching \1 .. \9 or \@> */ |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5587 if (t->count - clen <= 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5588 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5589 /* end of match, go to what follows */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5590 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5591 add_off = clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5592 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5593 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5594 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5595 /* add state again with decremented count */ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5596 add_state = t->state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5597 add_off = 0; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5598 add_count = t->count - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5599 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5600 break; |
| 4482 | 5601 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5602 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5603 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5604 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5605 result = (REG_MULTI && |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5606 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
|
5607 (long_u)(reglnum + reg_firstlnum))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5608 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5609 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5610 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5611 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5612 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5613 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5614 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5615 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5616 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5617 case NFA_COL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5618 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
|
5619 (long_u)(reginput - regline) + 1); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5620 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5621 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5622 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5623 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5624 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5625 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5626 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5627 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5628 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5629 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5630 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
|
5631 (long_u)win_linetabsize( |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5632 reg_win == NULL ? curwin : reg_win, |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5633 regline, (colnr_T)(reginput - regline)) + 1); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5634 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5635 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5636 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5637 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5638 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5639 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5640 |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5641 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5642 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5643 case NFA_MARK_LT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5644 { |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5645 pos_T *pos = getmark_buf(reg_buf, t->state->val, FALSE); |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5646 |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5647 /* Compare the mark position to the match position. */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5648 result = (pos != NULL /* mark doesn't exist */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5649 && pos->lnum > 0 /* mark isn't set in reg_buf */ |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5650 && (pos->lnum == reglnum + reg_firstlnum |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5651 ? (pos->col == (colnr_T)(reginput - regline) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5652 ? t->state->c == NFA_MARK |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5653 : (pos->col < (colnr_T)(reginput - regline) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5654 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5655 : t->state->c == NFA_MARK_LT)) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5656 : (pos->lnum < reglnum + reg_firstlnum |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5657 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5658 : t->state->c == NFA_MARK_LT))); |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5659 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5660 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5661 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5662 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5663 } |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5664 break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5665 } |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5666 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5667 case NFA_CURSOR: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5668 result = (reg_win != NULL |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5669 && (reglnum + reg_firstlnum == reg_win->w_cursor.lnum) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5670 && ((colnr_T)(reginput - regline) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5671 == reg_win->w_cursor.col)); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5672 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5673 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5674 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5675 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5676 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5677 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5678 |
|
4756
96f3348f9f11
updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents:
4750
diff
changeset
|
5679 case NFA_VISUAL: |
|
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
5680 #ifdef FEAT_VISUAL |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5681 result = reg_match_visual(); |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5682 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5683 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5684 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5685 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5686 } |
|
4756
96f3348f9f11
updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents:
4750
diff
changeset
|
5687 #endif |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5688 break; |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5689 |
| 4444 | 5690 default: /* regular character */ |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5691 { |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5692 int c = t->state->c; |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5693 |
| 4482 | 5694 /* TODO: put this in #ifdef later */ |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5695 if (c < 0) |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5696 EMSGN("INTERNAL: Negative state char: %ld", c); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5697 result = (c == curc); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5698 |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5699 if (!result && ireg_ic) |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5700 result = MB_TOLOWER(c) == MB_TOLOWER(curc); |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5701 #ifdef FEAT_MBYTE |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5702 /* 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
|
5703 * 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
|
5704 * character uses NFA_COMPOSING above. */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5705 if (result && enc_utf8 && !ireg_icombine |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5706 && clen != utf_char2len(curc)) |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5707 result = FALSE; |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5708 #endif |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5709 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 5710 break; |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5711 } |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5712 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5713 } /* switch (t->state->c) */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5714 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5715 if (add_state != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5716 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5717 if (t->pim != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5718 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5719 /* postponed invisible match */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5720 if (t->pim->result == NFA_PIM_TODO) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5721 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5722 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5723 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5724 fprintf(log_fd, "==================================\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5725 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5726 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5727 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5728 result = recursive_regmatch(t->pim->state, |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5729 prog, submatch, m, &listids); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5730 t->pim->result = result ? NFA_PIM_MATCH |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5731 : NFA_PIM_NOMATCH; |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5732 /* for \@! and \@<! it is a match when the result is |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5733 * FALSE */ |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5734 if (result != (t->pim->state->c |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5735 == NFA_START_INVISIBLE_NEG |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5736 || t->pim->state->c |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5737 == NFA_START_INVISIBLE_BEFORE_NEG)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5738 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5739 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5740 copy_sub_off(&t->pim->subs.norm, &m->norm); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5741 #ifdef FEAT_SYN_HL |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5742 if (nfa_has_zsubexpr) |
|
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5743 copy_sub_off(&t->pim->subs.synt, &m->synt); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5744 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5745 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5746 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5747 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5748 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5749 result = (t->pim->result == NFA_PIM_MATCH); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5750 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5751 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5752 fprintf(log_fd, "Using previous recursive nfa_regmatch() result, result == %d\n", t->pim->result); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5753 fprintf(log_fd, "MATCH = %s\n", result == TRUE ? "OK" : "FALSE"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5754 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5755 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5756 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5757 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5758 /* for \@! and \@<! it is a match when result is FALSE */ |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5759 if (result != (t->pim->state->c == NFA_START_INVISIBLE_NEG |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5760 || t->pim->state->c |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5761 == NFA_START_INVISIBLE_BEFORE_NEG)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5762 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5763 /* Copy submatch info from the recursive call */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5764 copy_sub_off(&t->subs.norm, &t->pim->subs.norm); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5765 #ifdef FEAT_SYN_HL |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5766 if (nfa_has_zsubexpr) |
|
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5767 copy_sub_off(&t->subs.synt, &t->pim->subs.synt); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5768 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5769 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5770 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5771 /* look-behind match failed, don't add the state */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5772 continue; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5773 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5774 |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5775 if (add_here) |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5776 addstate_here(thislist, add_state, &t->subs, NULL, &listidx); |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5777 else |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5778 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5779 addstate(nextlist, add_state, &t->subs, add_off); |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5780 if (add_count > 0) |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5781 nextlist->t[nextlist->n - 1].count = add_count; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5782 } |
| 4444 | 5783 } |
| 5784 | |
| 5785 } /* for (thislist = thislist; thislist->state; thislist++) */ | |
| 5786 | |
|
4557
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
5787 /* 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
|
5788 * start state to the list of states. |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
5789 * 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
|
5790 * matters! |
|
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
5791 * 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
|
5792 * 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
|
5793 * 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
|
5794 * 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
|
5795 if (nfa_match == FALSE |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5796 && ((toplevel |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5797 && reglnum == 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5798 && clen != 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5799 && (ireg_maxcol == 0 |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5800 || (colnr_T)(reginput - regline) < ireg_maxcol)) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5801 || (nfa_endp != NULL |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5802 && (REG_MULTI |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5803 ? (reglnum < nfa_endp->se_u.pos.lnum |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5804 || (reglnum == nfa_endp->se_u.pos.lnum |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5805 && (int)(reginput - regline) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5806 < nfa_endp->se_u.pos.col)) |
|
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5807 : reginput < nfa_endp->se_u.ptr)))) |
| 4444 | 5808 { |
| 5809 #ifdef ENABLE_LOG | |
| 5810 fprintf(log_fd, "(---) STARTSTATE\n"); | |
| 5811 #endif | |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5812 /* Inline optimized code for addstate() if we know the state is |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5813 * the first MOPEN. */ |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5814 if (toplevel) |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5815 { |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5816 int add = TRUE; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5817 int c; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5818 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5819 if (prog->regstart != NUL && clen != 0) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5820 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5821 if (nextlist->n == 0) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5822 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5823 colnr_T col = (colnr_T)(reginput - regline) + clen; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5824 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5825 /* Nextlist is empty, we can skip ahead to the |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5826 * character that must appear at the start. */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5827 if (skip_to_start(prog->regstart, &col) == FAIL) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5828 break; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5829 #ifdef ENABLE_LOG |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5830 fprintf(log_fd, " Skipping ahead %d bytes to regstart\n", |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5831 col - ((colnr_T)(reginput - regline) + clen)); |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5832 #endif |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5833 reginput = regline + col - clen; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5834 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5835 else |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5836 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5837 /* Checking if the required start character matches is |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5838 * cheaper than adding a state that won't match. */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5839 c = PTR2CHAR(reginput + clen); |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5840 if (c != prog->regstart && (!ireg_ic || MB_TOLOWER(c) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5841 != MB_TOLOWER(prog->regstart))) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5842 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5843 #ifdef ENABLE_LOG |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5844 fprintf(log_fd, " Skipping start state, regstart does not match\n"); |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5845 #endif |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5846 add = FALSE; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5847 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5848 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5849 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5850 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5851 if (add) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5852 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5853 if (REG_MULTI) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5854 m->norm.list.multi[0].start.col = |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5855 (colnr_T)(reginput - regline) + clen; |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5856 else |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5857 m->norm.list.line[0].start = reginput + clen; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5858 addstate(nextlist, start->out, m, clen); |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5859 } |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5860 } |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5861 else |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5862 addstate(nextlist, start, m, clen); |
| 4444 | 5863 } |
| 5864 | |
| 5865 #ifdef ENABLE_LOG | |
| 5866 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
|
5867 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5868 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5869 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5870 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5871 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
|
5872 } |
| 4444 | 5873 fprintf(log_fd, "\n"); |
| 5874 #endif | |
| 5875 | |
| 5876 nextchar: | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5877 /* 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
|
5878 * finish. */ |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5879 if (clen != 0) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5880 reginput += clen; |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5881 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
|
5882 && reglnum < nfa_endp->se_u.pos.lnum)) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5883 reg_nextline(); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5884 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5885 break; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5886 } |
| 4444 | 5887 |
| 5888 #ifdef ENABLE_LOG | |
| 5889 if (log_fd != stderr) | |
| 5890 fclose(log_fd); | |
| 5891 log_fd = NULL; | |
| 5892 #endif | |
| 5893 | |
| 5894 theend: | |
| 5895 /* Free memory */ | |
| 5896 vim_free(list[0].t); | |
| 5897 vim_free(list[1].t); | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5898 vim_free(listids); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5899 ga_clear(&pimlist); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5900 #undef ADD_STATE_IF_MATCH |
| 4460 | 5901 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 5902 fclose(debug); |
| 5903 #endif | |
| 5904 | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5905 return nfa_match; |
| 4444 | 5906 } |
| 5907 | |
| 5908 /* | |
| 5909 * Try match of "prog" with at regline["col"]. | |
| 5910 * Returns 0 for failure, number of lines contained in the match otherwise. | |
| 5911 */ | |
| 5912 static long | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5913 nfa_regtry(prog, col) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5914 nfa_regprog_T *prog; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5915 colnr_T col; |
| 4444 | 5916 { |
| 5917 int i; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5918 regsubs_T subs, m; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5919 nfa_state_T *start = prog->start; |
| 4444 | 5920 #ifdef ENABLE_LOG |
| 5921 FILE *f; | |
| 5922 #endif | |
| 5923 | |
| 5924 reginput = regline + col; | |
| 5925 | |
| 5926 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5927 f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 5928 if (f != NULL) |
| 5929 { | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5930 fprintf(f, "\n\n\t=======================================================\n"); |
| 4444 | 5931 #ifdef DEBUG |
| 5932 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr); | |
| 5933 #endif | |
| 5934 fprintf(f, "\tInput text is \"%s\" \n", reginput); | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5935 fprintf(f, "\t=======================================================\n\n"); |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
5936 nfa_print_state(f, start); |
| 4444 | 5937 fprintf(f, "\n\n"); |
| 5938 fclose(f); | |
| 5939 } | |
| 5940 else | |
| 5941 EMSG(_("Could not open temporary log file for writing ")); | |
| 5942 #endif | |
| 5943 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5944 clear_sub(&subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5945 clear_sub(&m.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5946 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5947 clear_sub(&subs.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5948 clear_sub(&m.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5949 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5950 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5951 if (nfa_regmatch(prog, start, &subs, &m) == FALSE) |
| 4444 | 5952 return 0; |
| 5953 | |
| 5954 cleanup_subexpr(); | |
| 5955 if (REG_MULTI) | |
| 5956 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5957 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 5958 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5959 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
|
5960 reg_endpos[i] = subs.norm.list.multi[i].end; |
| 4444 | 5961 } |
| 5962 | |
| 5963 if (reg_startpos[0].lnum < 0) | |
| 5964 { | |
| 5965 reg_startpos[0].lnum = 0; | |
| 5966 reg_startpos[0].col = col; | |
| 5967 } | |
| 5968 if (reg_endpos[0].lnum < 0) | |
| 5969 { | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
5970 /* pattern has a \ze but it didn't match, use current end */ |
| 4444 | 5971 reg_endpos[0].lnum = reglnum; |
| 5972 reg_endpos[0].col = (int)(reginput - regline); | |
| 5973 } | |
| 5974 else | |
| 5975 /* Use line number of "\ze". */ | |
| 5976 reglnum = reg_endpos[0].lnum; | |
| 5977 } | |
| 5978 else | |
| 5979 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5980 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 5981 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5982 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
|
5983 reg_endp[i] = subs.norm.list.line[i].end; |
| 4444 | 5984 } |
| 5985 | |
| 5986 if (reg_startp[0] == NULL) | |
| 5987 reg_startp[0] = regline + col; | |
| 5988 if (reg_endp[0] == NULL) | |
| 5989 reg_endp[0] = reginput; | |
| 5990 } | |
| 5991 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5992 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5993 /* 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
|
5994 unref_extmatch(re_extmatch_out); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5995 re_extmatch_out = NULL; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5996 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5997 if (prog->reghasz == REX_SET) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5998 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5999 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6000 re_extmatch_out = make_extmatch(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6001 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
|
6002 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6003 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6004 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6005 struct multipos *mpos = &subs.synt.list.multi[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6006 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6007 /* Only accept single line matches. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6008 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
|
6009 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6010 vim_strnsave(reg_getline(mpos->start.lnum) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6011 + mpos->start.col, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6012 mpos->end.col - mpos->start.col); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6013 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6014 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6015 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6016 struct linepos *lpos = &subs.synt.list.line[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6017 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6018 if (lpos->start != NULL && lpos->end != NULL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6019 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6020 vim_strnsave(lpos->start, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6021 (int)(lpos->end - lpos->start)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6022 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6023 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6024 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6025 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6026 |
| 4444 | 6027 return 1 + reglnum; |
| 6028 } | |
| 6029 | |
| 6030 /* | |
| 6031 * Match a regexp against a string ("line" points to the string) or multiple | |
| 6032 * lines ("line" is NULL, use reg_getline()). | |
| 6033 * | |
| 6034 * Returns 0 for failure, number of lines contained in the match otherwise. | |
| 6035 */ | |
| 6036 static long | |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6037 nfa_regexec_both(line, startcol) |
| 4444 | 6038 char_u *line; |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6039 colnr_T startcol; /* column to start looking for match */ |
| 4444 | 6040 { |
| 6041 nfa_regprog_T *prog; | |
| 6042 long retval = 0L; | |
| 6043 int i; | |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6044 colnr_T col = startcol; |
| 4444 | 6045 |
| 6046 if (REG_MULTI) | |
| 6047 { | |
| 6048 prog = (nfa_regprog_T *)reg_mmatch->regprog; | |
| 6049 line = reg_getline((linenr_T)0); /* relative to the cursor */ | |
| 6050 reg_startpos = reg_mmatch->startpos; | |
| 6051 reg_endpos = reg_mmatch->endpos; | |
| 6052 } | |
| 6053 else | |
| 6054 { | |
| 6055 prog = (nfa_regprog_T *)reg_match->regprog; | |
| 6056 reg_startp = reg_match->startp; | |
| 6057 reg_endp = reg_match->endp; | |
| 6058 } | |
| 6059 | |
| 6060 /* Be paranoid... */ | |
| 6061 if (prog == NULL || line == NULL) | |
| 6062 { | |
| 6063 EMSG(_(e_null)); | |
| 6064 goto theend; | |
| 6065 } | |
| 6066 | |
| 6067 /* If pattern contains "\c" or "\C": overrule value of ireg_ic */ | |
| 6068 if (prog->regflags & RF_ICASE) | |
| 6069 ireg_ic = TRUE; | |
| 6070 else if (prog->regflags & RF_NOICASE) | |
| 6071 ireg_ic = FALSE; | |
| 6072 | |
| 6073 #ifdef FEAT_MBYTE | |
| 6074 /* If pattern contains "\Z" overrule value of ireg_icombine */ | |
| 6075 if (prog->regflags & RF_ICOMBINE) | |
| 6076 ireg_icombine = TRUE; | |
| 6077 #endif | |
| 6078 | |
| 6079 regline = line; | |
| 6080 reglnum = 0; /* relative to line */ | |
| 6081 | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
6082 nfa_has_zend = prog->has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
6083 nfa_has_backref = prog->has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6084 nfa_nsubexpr = prog->nsubexp; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
6085 nfa_listid = 1; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
6086 nfa_alt_listid = 2; |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6087 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6088 nfa_regengine.expr = prog->pattern; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6089 #endif |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
6090 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6091 if (prog->reganch && col > 0) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6092 return 0L; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6093 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6094 need_clear_subexpr = TRUE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6095 #ifdef FEAT_SYN_HL |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6096 /* Clear the external match subpointers if necessary. */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6097 if (prog->reghasz == REX_SET) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6098 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6099 nfa_has_zsubexpr = TRUE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6100 need_clear_zsubexpr = TRUE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6101 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6102 else |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6103 nfa_has_zsubexpr = FALSE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6104 #endif |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6105 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6106 if (prog->regstart != NUL) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6107 { |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6108 /* Skip ahead until a character we know the match must start with. |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6109 * When there is none there is no match. */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6110 if (skip_to_start(prog->regstart, &col) == FAIL) |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6111 return 0L; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6112 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6113 /* If match_text is set it contains the full text that must match. |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6114 * Nothing else to try. Doesn't handle combining chars well. */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6115 if (prog->match_text != NULL && !ireg_icombine) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6116 return find_match_text(col, prog->regstart, prog->match_text); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6117 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6118 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6119 /* If the start column is past the maximum column: no need to try. */ |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6120 if (ireg_maxcol > 0 && col >= ireg_maxcol) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6121 goto theend; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6122 |
| 4444 | 6123 nstate = prog->nstate; |
| 6124 for (i = 0; i < nstate; ++i) | |
| 6125 { | |
| 6126 prog->state[i].id = i; | |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
6127 prog->state[i].lastlist[0] = 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
6128 prog->state[i].lastlist[1] = 0; |
| 4444 | 6129 } |
| 6130 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6131 retval = nfa_regtry(prog, col); |
| 4444 | 6132 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6133 #ifdef DEBUG |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6134 nfa_regengine.expr = NULL; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6135 #endif |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6136 |
| 4444 | 6137 theend: |
| 6138 return retval; | |
| 6139 } | |
| 6140 | |
| 6141 /* | |
| 6142 * Compile a regular expression into internal code for the NFA matcher. | |
| 6143 * Returns the program in allocated space. Returns NULL for an error. | |
| 6144 */ | |
| 6145 static regprog_T * | |
| 6146 nfa_regcomp(expr, re_flags) | |
| 6147 char_u *expr; | |
| 6148 int re_flags; | |
| 6149 { | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6150 nfa_regprog_T *prog = NULL; |
| 4458 | 6151 size_t prog_size; |
| 4444 | 6152 int *postfix; |
| 6153 | |
| 6154 if (expr == NULL) | |
| 6155 return NULL; | |
| 6156 | |
| 6157 #ifdef DEBUG | |
| 6158 nfa_regengine.expr = expr; | |
| 6159 #endif | |
| 6160 | |
| 6161 init_class_tab(); | |
| 6162 | |
| 6163 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
| 6164 return NULL; | |
| 6165 | |
| 6166 /* 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
|
6167 * (and count its size). */ |
| 4444 | 6168 postfix = re2post(); |
| 6169 if (postfix == NULL) | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6170 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6171 /* TODO: only give this error for debugging? */ |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6172 if (post_ptr >= post_end) |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6173 EMSGN("Internal error: estimated max number of states insufficient: %ld", post_end - post_start); |
| 4444 | 6174 goto fail; /* Cascaded (syntax?) error */ |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6175 } |
| 4444 | 6176 |
| 6177 /* | |
| 6178 * In order to build the NFA, we parse the input regexp twice: | |
| 6179 * 1. first pass to count size (so we can allocate space) | |
| 6180 * 2. second to emit code | |
| 6181 */ | |
| 6182 #ifdef ENABLE_LOG | |
| 6183 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6184 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 6185 |
| 6186 if (f != NULL) | |
| 6187 { | |
| 6188 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\" ... hold on !\n", expr); | |
| 6189 fclose(f); | |
| 6190 } | |
| 6191 } | |
| 6192 #endif | |
| 6193 | |
| 6194 /* | |
| 6195 * PASS 1 | |
| 6196 * Count number of NFA states in "nstate". Do not build the NFA. | |
| 6197 */ | |
| 6198 post2nfa(postfix, post_ptr, TRUE); | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6199 |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6200 /* Space for compiled regexp */ |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6201 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
|
6202 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE); |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6203 if (prog == NULL) |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6204 goto fail; |
| 4444 | 6205 state_ptr = prog->state; |
| 6206 | |
| 6207 /* | |
| 6208 * PASS 2 | |
| 6209 * Build the NFA | |
| 6210 */ | |
| 6211 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
| 6212 if (prog->start == NULL) | |
| 6213 goto fail; | |
| 6214 | |
| 6215 prog->regflags = regflags; | |
| 6216 prog->engine = &nfa_regengine; | |
| 6217 prog->nstate = nstate; | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
6218 prog->has_zend = nfa_has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
6219 prog->has_backref = nfa_has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6220 prog->nsubexp = regnpar; |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6221 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6222 prog->reganch = nfa_get_reganch(prog->start, 0); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6223 prog->regstart = nfa_get_regstart(prog->start, 0); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6224 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6225 prog->match_text = nfa_get_match_text(prog->start); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6226 |
| 4444 | 6227 #ifdef ENABLE_LOG |
| 6228 nfa_postfix_dump(expr, OK); | |
| 6229 nfa_dump(prog); | |
| 6230 #endif | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6231 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6232 /* 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
|
6233 prog->reghasz = re_has_z; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6234 #endif |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6235 #ifdef DEBUG |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6236 prog->pattern = vim_strsave(expr); |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6237 nfa_regengine.expr = NULL; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6238 #endif |
| 4444 | 6239 |
| 6240 out: | |
| 6241 vim_free(post_start); | |
| 6242 post_start = post_ptr = post_end = NULL; | |
| 6243 state_ptr = NULL; | |
| 6244 return (regprog_T *)prog; | |
| 6245 | |
| 6246 fail: | |
| 6247 vim_free(prog); | |
| 6248 prog = NULL; | |
| 6249 #ifdef ENABLE_LOG | |
| 6250 nfa_postfix_dump(expr, FAIL); | |
| 6251 #endif | |
| 6252 #ifdef DEBUG | |
| 6253 nfa_regengine.expr = NULL; | |
| 6254 #endif | |
| 6255 goto out; | |
| 6256 } | |
| 6257 | |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6258 /* |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6259 * Free a compiled regexp program, returned by nfa_regcomp(). |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6260 */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6261 static void |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6262 nfa_regfree(prog) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6263 regprog_T *prog; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6264 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6265 if (prog != NULL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6266 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6267 vim_free(((nfa_regprog_T *)prog)->match_text); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6268 #ifdef DEBUG |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6269 vim_free(((nfa_regprog_T *)prog)->pattern); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6270 #endif |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6271 vim_free(prog); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6272 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6273 } |
| 4444 | 6274 |
| 6275 /* | |
| 6276 * Match a regexp against a string. | |
| 6277 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
| 6278 * Uses curbuf for line count and 'iskeyword'. | |
| 6279 * | |
| 6280 * Return TRUE if there is a match, FALSE if not. | |
| 6281 */ | |
| 6282 static int | |
| 6283 nfa_regexec(rmp, line, col) | |
| 6284 regmatch_T *rmp; | |
| 6285 char_u *line; /* string to match against */ | |
| 6286 colnr_T col; /* column to start looking for match */ | |
| 6287 { | |
| 6288 reg_match = rmp; | |
| 6289 reg_mmatch = NULL; | |
| 6290 reg_maxline = 0; | |
| 6291 reg_line_lbr = FALSE; | |
| 6292 reg_buf = curbuf; | |
| 6293 reg_win = NULL; | |
| 6294 ireg_ic = rmp->rm_ic; | |
| 6295 #ifdef FEAT_MBYTE | |
| 6296 ireg_icombine = FALSE; | |
| 6297 #endif | |
| 6298 ireg_maxcol = 0; | |
| 6299 return (nfa_regexec_both(line, col) != 0); | |
| 6300 } | |
| 6301 | |
| 6302 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \ | |
| 6303 || defined(FIND_REPLACE_DIALOG) || defined(PROTO) | |
| 6304 | |
| 6305 static int nfa_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); | |
| 6306 | |
| 6307 /* | |
| 6308 * Like nfa_regexec(), but consider a "\n" in "line" to be a line break. | |
| 6309 */ | |
| 6310 static int | |
| 6311 nfa_regexec_nl(rmp, line, col) | |
| 6312 regmatch_T *rmp; | |
| 6313 char_u *line; /* string to match against */ | |
| 6314 colnr_T col; /* column to start looking for match */ | |
| 6315 { | |
| 6316 reg_match = rmp; | |
| 6317 reg_mmatch = NULL; | |
| 6318 reg_maxline = 0; | |
| 6319 reg_line_lbr = TRUE; | |
| 6320 reg_buf = curbuf; | |
| 6321 reg_win = NULL; | |
| 6322 ireg_ic = rmp->rm_ic; | |
| 6323 #ifdef FEAT_MBYTE | |
| 6324 ireg_icombine = FALSE; | |
| 6325 #endif | |
| 6326 ireg_maxcol = 0; | |
| 6327 return (nfa_regexec_both(line, col) != 0); | |
| 6328 } | |
| 6329 #endif | |
| 6330 | |
| 6331 | |
| 6332 /* | |
| 6333 * Match a regexp against multiple lines. | |
| 6334 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
| 6335 * Uses curbuf for line count and 'iskeyword'. | |
| 6336 * | |
| 6337 * Return zero if there is no match. Return number of lines contained in the | |
| 6338 * match otherwise. | |
| 6339 * | |
| 6340 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
| 6341 * | |
| 6342 * ! Also NOTE : match may actually be in another line. e.g.: | |
| 6343 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
| 6344 * | |
| 6345 * +-------------------------+ | |
| 6346 * |a | | |
| 6347 * |b | | |
| 6348 * |c | | |
| 6349 * | | | |
| 6350 * +-------------------------+ | |
| 6351 * | |
| 6352 * then nfa_regexec_multi() returns 3. while the original | |
| 6353 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
| 6354 * | |
| 6355 * FIXME if this behavior is not compatible. | |
| 6356 */ | |
| 6357 static long | |
| 6358 nfa_regexec_multi(rmp, win, buf, lnum, col, tm) | |
| 6359 regmmatch_T *rmp; | |
| 6360 win_T *win; /* window in which to search or NULL */ | |
| 6361 buf_T *buf; /* buffer in which to search */ | |
| 6362 linenr_T lnum; /* nr of line to start looking for match */ | |
| 6363 colnr_T col; /* column to start looking for match */ | |
| 6364 proftime_T *tm UNUSED; /* timeout limit or NULL */ | |
| 6365 { | |
| 6366 reg_match = NULL; | |
| 6367 reg_mmatch = rmp; | |
| 6368 reg_buf = buf; | |
| 6369 reg_win = win; | |
| 6370 reg_firstlnum = lnum; | |
| 6371 reg_maxline = reg_buf->b_ml.ml_line_count - lnum; | |
| 6372 reg_line_lbr = FALSE; | |
| 6373 ireg_ic = rmp->rmm_ic; | |
| 6374 #ifdef FEAT_MBYTE | |
| 6375 ireg_icombine = FALSE; | |
| 6376 #endif | |
| 6377 ireg_maxcol = rmp->rmm_maxcol; | |
| 6378 | |
| 4503 | 6379 return nfa_regexec_both(NULL, col); |
| 4444 | 6380 } |
| 6381 | |
| 6382 #ifdef DEBUG | |
| 6383 # undef ENABLE_LOG | |
| 6384 #endif |