Mercurial > vim
annotate src/regexp_nfa.c @ 5180:4104bed69ea5 v7.4a.016
updated for version 7.4a.016
Problem: Features enabled in Makefile.
Solution: Undo accidental changes.
author | Bram Moolenaar <bram@vim.org> |
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date | Sat, 13 Jul 2013 15:39:33 +0200 |
parents | 1cacf785299e |
children | c6dd0c545e5c |
rev | line source |
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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_FIRST, |
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68 NFA_START_INVISIBLE_NEG, |
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69 NFA_START_INVISIBLE_NEG_FIRST, |
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70 NFA_START_INVISIBLE_BEFORE, |
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71 NFA_START_INVISIBLE_BEFORE_FIRST, |
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72 NFA_START_INVISIBLE_BEFORE_NEG, |
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73 NFA_START_INVISIBLE_BEFORE_NEG_FIRST, |
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74 NFA_START_PATTERN, |
4444 | 75 NFA_END_INVISIBLE, |
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76 NFA_END_INVISIBLE_NEG, |
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77 NFA_END_PATTERN, |
4444 | 78 NFA_COMPOSING, /* Next nodes in NFA are part of the |
79 composing multibyte char */ | |
80 NFA_END_COMPOSING, /* End of a composing char in the NFA */ | |
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81 NFA_OPT_CHARS, /* \%[abc] */ |
4444 | 82 |
83 /* The following are used only in the postfix form, not in the NFA */ | |
84 NFA_PREV_ATOM_NO_WIDTH, /* Used for \@= */ | |
85 NFA_PREV_ATOM_NO_WIDTH_NEG, /* Used for \@! */ | |
86 NFA_PREV_ATOM_JUST_BEFORE, /* Used for \@<= */ | |
87 NFA_PREV_ATOM_JUST_BEFORE_NEG, /* Used for \@<! */ | |
88 NFA_PREV_ATOM_LIKE_PATTERN, /* Used for \@> */ | |
89 | |
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90 NFA_BACKREF1, /* \1 */ |
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91 NFA_BACKREF2, /* \2 */ |
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92 NFA_BACKREF3, /* \3 */ |
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93 NFA_BACKREF4, /* \4 */ |
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94 NFA_BACKREF5, /* \5 */ |
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95 NFA_BACKREF6, /* \6 */ |
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96 NFA_BACKREF7, /* \7 */ |
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97 NFA_BACKREF8, /* \8 */ |
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98 NFA_BACKREF9, /* \9 */ |
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99 #ifdef FEAT_SYN_HL |
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100 NFA_ZREF1, /* \z1 */ |
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101 NFA_ZREF2, /* \z2 */ |
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102 NFA_ZREF3, /* \z3 */ |
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103 NFA_ZREF4, /* \z4 */ |
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104 NFA_ZREF5, /* \z5 */ |
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105 NFA_ZREF6, /* \z6 */ |
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106 NFA_ZREF7, /* \z7 */ |
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107 NFA_ZREF8, /* \z8 */ |
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108 NFA_ZREF9, /* \z9 */ |
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109 #endif |
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110 NFA_SKIP, /* Skip characters */ |
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111 |
4444 | 112 NFA_MOPEN, |
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113 NFA_MOPEN1, |
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114 NFA_MOPEN2, |
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115 NFA_MOPEN3, |
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116 NFA_MOPEN4, |
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117 NFA_MOPEN5, |
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118 NFA_MOPEN6, |
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119 NFA_MOPEN7, |
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120 NFA_MOPEN8, |
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121 NFA_MOPEN9, |
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122 |
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123 NFA_MCLOSE, |
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124 NFA_MCLOSE1, |
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125 NFA_MCLOSE2, |
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126 NFA_MCLOSE3, |
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127 NFA_MCLOSE4, |
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128 NFA_MCLOSE5, |
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129 NFA_MCLOSE6, |
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130 NFA_MCLOSE7, |
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131 NFA_MCLOSE8, |
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132 NFA_MCLOSE9, |
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133 |
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134 #ifdef FEAT_SYN_HL |
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135 NFA_ZOPEN, |
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136 NFA_ZOPEN1, |
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137 NFA_ZOPEN2, |
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138 NFA_ZOPEN3, |
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139 NFA_ZOPEN4, |
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140 NFA_ZOPEN5, |
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141 NFA_ZOPEN6, |
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142 NFA_ZOPEN7, |
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143 NFA_ZOPEN8, |
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144 NFA_ZOPEN9, |
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145 |
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146 NFA_ZCLOSE, |
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147 NFA_ZCLOSE1, |
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148 NFA_ZCLOSE2, |
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149 NFA_ZCLOSE3, |
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150 NFA_ZCLOSE4, |
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151 NFA_ZCLOSE5, |
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152 NFA_ZCLOSE6, |
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153 NFA_ZCLOSE7, |
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154 NFA_ZCLOSE8, |
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155 NFA_ZCLOSE9, |
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156 #endif |
4444 | 157 |
158 /* NFA_FIRST_NL */ | |
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159 NFA_ANY, /* Match any one character. */ |
4444 | 160 NFA_IDENT, /* Match identifier char */ |
161 NFA_SIDENT, /* Match identifier char but no digit */ | |
162 NFA_KWORD, /* Match keyword char */ | |
163 NFA_SKWORD, /* Match word char but no digit */ | |
164 NFA_FNAME, /* Match file name char */ | |
165 NFA_SFNAME, /* Match file name char but no digit */ | |
166 NFA_PRINT, /* Match printable char */ | |
167 NFA_SPRINT, /* Match printable char but no digit */ | |
168 NFA_WHITE, /* Match whitespace char */ | |
169 NFA_NWHITE, /* Match non-whitespace char */ | |
170 NFA_DIGIT, /* Match digit char */ | |
171 NFA_NDIGIT, /* Match non-digit char */ | |
172 NFA_HEX, /* Match hex char */ | |
173 NFA_NHEX, /* Match non-hex char */ | |
174 NFA_OCTAL, /* Match octal char */ | |
175 NFA_NOCTAL, /* Match non-octal char */ | |
176 NFA_WORD, /* Match word char */ | |
177 NFA_NWORD, /* Match non-word char */ | |
178 NFA_HEAD, /* Match head char */ | |
179 NFA_NHEAD, /* Match non-head char */ | |
180 NFA_ALPHA, /* Match alpha char */ | |
181 NFA_NALPHA, /* Match non-alpha char */ | |
182 NFA_LOWER, /* Match lowercase char */ | |
183 NFA_NLOWER, /* Match non-lowercase char */ | |
184 NFA_UPPER, /* Match uppercase char */ | |
185 NFA_NUPPER, /* Match non-uppercase char */ | |
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186 |
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187 NFA_CURSOR, /* Match cursor pos */ |
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188 NFA_LNUM, /* Match line number */ |
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189 NFA_LNUM_GT, /* Match > line number */ |
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190 NFA_LNUM_LT, /* Match < line number */ |
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191 NFA_COL, /* Match cursor column */ |
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192 NFA_COL_GT, /* Match > cursor column */ |
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193 NFA_COL_LT, /* Match < cursor column */ |
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194 NFA_VCOL, /* Match cursor virtual column */ |
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195 NFA_VCOL_GT, /* Match > cursor virtual column */ |
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196 NFA_VCOL_LT, /* Match < cursor virtual column */ |
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197 NFA_MARK, /* Match mark */ |
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198 NFA_MARK_GT, /* Match > mark */ |
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199 NFA_MARK_LT, /* Match < mark */ |
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200 NFA_VISUAL, /* Match Visual area */ |
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201 |
4444 | 202 NFA_FIRST_NL = NFA_ANY + ADD_NL, |
203 NFA_LAST_NL = NFA_NUPPER + ADD_NL, | |
204 | |
205 /* Character classes [:alnum:] etc */ | |
206 NFA_CLASS_ALNUM, | |
207 NFA_CLASS_ALPHA, | |
208 NFA_CLASS_BLANK, | |
209 NFA_CLASS_CNTRL, | |
210 NFA_CLASS_DIGIT, | |
211 NFA_CLASS_GRAPH, | |
212 NFA_CLASS_LOWER, | |
213 NFA_CLASS_PRINT, | |
214 NFA_CLASS_PUNCT, | |
215 NFA_CLASS_SPACE, | |
216 NFA_CLASS_UPPER, | |
217 NFA_CLASS_XDIGIT, | |
218 NFA_CLASS_TAB, | |
219 NFA_CLASS_RETURN, | |
220 NFA_CLASS_BACKSPACE, | |
221 NFA_CLASS_ESCAPE | |
222 }; | |
223 | |
224 /* Keep in sync with classchars. */ | |
225 static int nfa_classcodes[] = { | |
226 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD, | |
227 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT, | |
228 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT, | |
229 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL, | |
230 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD, | |
231 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER, | |
232 NFA_UPPER, NFA_NUPPER | |
233 }; | |
234 | |
235 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); | |
236 | |
237 /* NFA regexp \ze operator encountered. */ | |
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238 static int nfa_has_zend; |
4444 | 239 |
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240 /* NFA regexp \1 .. \9 encountered. */ |
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241 static int nfa_has_backref; |
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242 |
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243 #ifdef FEAT_SYN_HL |
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244 /* NFA regexp has \z( ), set zsubexpr. */ |
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245 static int nfa_has_zsubexpr; |
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246 #endif |
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247 |
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248 /* Number of sub expressions actually being used during execution. 1 if only |
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249 * the whole match (subexpr 0) is used. */ |
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250 static int nfa_nsubexpr; |
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251 |
4444 | 252 static int *post_start; /* holds the postfix form of r.e. */ |
253 static int *post_end; | |
254 static int *post_ptr; | |
255 | |
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256 static int nstate; /* Number of states in the NFA. Also used when |
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257 * executing. */ |
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258 static int istate; /* Index in the state vector, used in alloc_state() */ |
4444 | 259 |
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260 /* If not NULL match must end at this position */ |
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261 static save_se_T *nfa_endp = NULL; |
4444 | 262 |
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263 /* listid is global, so that it increases on recursive calls to |
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264 * nfa_regmatch(), which means we don't have to clear the lastlist field of |
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265 * all the states. */ |
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266 static int nfa_listid; |
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267 static int nfa_alt_listid; |
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268 |
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269 /* 0 for first call to nfa_regmatch(), 1 for recursive call. */ |
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270 static int nfa_ll_index = 0; |
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271 |
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272 static int nfa_regcomp_start __ARGS((char_u *expr, int re_flags)); |
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273 static int nfa_get_reganch __ARGS((nfa_state_T *start, int depth)); |
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274 static int nfa_get_regstart __ARGS((nfa_state_T *start, int depth)); |
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275 static char_u *nfa_get_match_text __ARGS((nfa_state_T *start)); |
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276 static int realloc_post_list __ARGS((void)); |
4444 | 277 static int nfa_recognize_char_class __ARGS((char_u *start, char_u *end, int extra_newl)); |
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278 static int nfa_emit_equi_class __ARGS((int c)); |
4444 | 279 static int nfa_regatom __ARGS((void)); |
280 static int nfa_regpiece __ARGS((void)); | |
281 static int nfa_regconcat __ARGS((void)); | |
282 static int nfa_regbranch __ARGS((void)); | |
283 static int nfa_reg __ARGS((int paren)); | |
284 #ifdef DEBUG | |
285 static void nfa_set_code __ARGS((int c)); | |
286 static void nfa_postfix_dump __ARGS((char_u *expr, int retval)); | |
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287 static void nfa_print_state __ARGS((FILE *debugf, nfa_state_T *state)); |
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288 static void nfa_print_state2 __ARGS((FILE *debugf, nfa_state_T *state, garray_T *indent)); |
4444 | 289 static void nfa_dump __ARGS((nfa_regprog_T *prog)); |
290 #endif | |
291 static int *re2post __ARGS((void)); | |
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292 static nfa_state_T *alloc_state __ARGS((int c, nfa_state_T *out, nfa_state_T *out1)); |
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293 static void st_error __ARGS((int *postfix, int *end, int *p)); |
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294 static int nfa_max_width __ARGS((nfa_state_T *startstate, int depth)); |
4444 | 295 static nfa_state_T *post2nfa __ARGS((int *postfix, int *end, int nfa_calc_size)); |
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296 static void nfa_postprocess __ARGS((nfa_regprog_T *prog)); |
4444 | 297 static int check_char_class __ARGS((int class, int c)); |
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298 static void nfa_save_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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299 static void nfa_restore_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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300 static int nfa_re_num_cmp __ARGS((long_u val, int op, long_u pos)); |
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301 static long nfa_regtry __ARGS((nfa_regprog_T *prog, colnr_T col)); |
4444 | 302 static long nfa_regexec_both __ARGS((char_u *line, colnr_T col)); |
303 static regprog_T *nfa_regcomp __ARGS((char_u *expr, int re_flags)); | |
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304 static void nfa_regfree __ARGS((regprog_T *prog)); |
4444 | 305 static int nfa_regexec __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); |
306 static long nfa_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm)); | |
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307 static int match_follows __ARGS((nfa_state_T *startstate, int depth)); |
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308 static int failure_chance __ARGS((nfa_state_T *state, int depth)); |
4444 | 309 |
310 /* helper functions used when doing re2post() ... regatom() parsing */ | |
311 #define EMIT(c) do { \ | |
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312 if (post_ptr >= post_end && realloc_post_list() == FAIL) \ |
4444 | 313 return FAIL; \ |
314 *post_ptr++ = c; \ | |
315 } while (0) | |
316 | |
317 /* | |
318 * Initialize internal variables before NFA compilation. | |
319 * Return OK on success, FAIL otherwise. | |
320 */ | |
321 static int | |
322 nfa_regcomp_start(expr, re_flags) | |
323 char_u *expr; | |
324 int re_flags; /* see vim_regcomp() */ | |
325 { | |
4458 | 326 size_t postfix_size; |
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327 int nstate_max; |
4444 | 328 |
329 nstate = 0; | |
330 istate = 0; | |
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331 /* A reasonable estimation for maximum size */ |
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332 nstate_max = (int)(STRLEN(expr) + 1) * 25; |
4444 | 333 |
4454 | 334 /* Some items blow up in size, such as [A-z]. Add more space for that. |
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335 * When it is still not enough realloc_post_list() will be used. */ |
4458 | 336 nstate_max += 1000; |
4454 | 337 |
338 /* Size for postfix representation of expr. */ | |
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339 postfix_size = sizeof(int) * nstate_max; |
4454 | 340 |
4444 | 341 post_start = (int *)lalloc(postfix_size, TRUE); |
342 if (post_start == NULL) | |
343 return FAIL; | |
344 post_ptr = post_start; | |
4454 | 345 post_end = post_start + nstate_max; |
4444 | 346 nfa_has_zend = FALSE; |
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347 nfa_has_backref = FALSE; |
4444 | 348 |
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349 /* shared with BT engine */ |
4444 | 350 regcomp_start(expr, re_flags); |
351 | |
352 return OK; | |
353 } | |
354 | |
355 /* | |
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356 * Figure out if the NFA state list starts with an anchor, must match at start |
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357 * of the line. |
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358 */ |
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359 static int |
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360 nfa_get_reganch(start, depth) |
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361 nfa_state_T *start; |
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|
362 int depth; |
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|
363 { |
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updated for version 7.3.1133
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|
364 nfa_state_T *p = start; |
03375ccf28a2
updated for version 7.3.1133
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|
365 |
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updated for version 7.3.1133
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|
366 if (depth > 4) |
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|
367 return 0; |
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|
368 |
03375ccf28a2
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369 while (p != NULL) |
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|
370 { |
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|
371 switch (p->c) |
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|
372 { |
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|
373 case NFA_BOL: |
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|
374 case NFA_BOF: |
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updated for version 7.3.1133
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|
375 return 1; /* yes! */ |
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|
376 |
03375ccf28a2
updated for version 7.3.1133
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|
377 case NFA_ZSTART: |
03375ccf28a2
updated for version 7.3.1133
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|
378 case NFA_ZEND: |
03375ccf28a2
updated for version 7.3.1133
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|
379 case NFA_CURSOR: |
03375ccf28a2
updated for version 7.3.1133
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|
380 case NFA_VISUAL: |
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|
381 |
03375ccf28a2
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|
382 case NFA_MOPEN: |
03375ccf28a2
updated for version 7.3.1133
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|
383 case NFA_MOPEN1: |
03375ccf28a2
updated for version 7.3.1133
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|
384 case NFA_MOPEN2: |
03375ccf28a2
updated for version 7.3.1133
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|
385 case NFA_MOPEN3: |
03375ccf28a2
updated for version 7.3.1133
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|
386 case NFA_MOPEN4: |
03375ccf28a2
updated for version 7.3.1133
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|
387 case NFA_MOPEN5: |
03375ccf28a2
updated for version 7.3.1133
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|
388 case NFA_MOPEN6: |
03375ccf28a2
updated for version 7.3.1133
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389 case NFA_MOPEN7: |
03375ccf28a2
updated for version 7.3.1133
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|
390 case NFA_MOPEN8: |
03375ccf28a2
updated for version 7.3.1133
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|
391 case NFA_MOPEN9: |
03375ccf28a2
updated for version 7.3.1133
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|
392 case NFA_NOPEN: |
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393 #ifdef FEAT_SYN_HL |
03375ccf28a2
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|
394 case NFA_ZOPEN: |
03375ccf28a2
updated for version 7.3.1133
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|
395 case NFA_ZOPEN1: |
03375ccf28a2
updated for version 7.3.1133
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|
396 case NFA_ZOPEN2: |
03375ccf28a2
updated for version 7.3.1133
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|
397 case NFA_ZOPEN3: |
03375ccf28a2
updated for version 7.3.1133
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|
398 case NFA_ZOPEN4: |
03375ccf28a2
updated for version 7.3.1133
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|
399 case NFA_ZOPEN5: |
03375ccf28a2
updated for version 7.3.1133
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|
400 case NFA_ZOPEN6: |
03375ccf28a2
updated for version 7.3.1133
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|
401 case NFA_ZOPEN7: |
03375ccf28a2
updated for version 7.3.1133
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|
402 case NFA_ZOPEN8: |
03375ccf28a2
updated for version 7.3.1133
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|
403 case NFA_ZOPEN9: |
03375ccf28a2
updated for version 7.3.1133
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|
404 #endif |
03375ccf28a2
updated for version 7.3.1133
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|
405 p = p->out; |
03375ccf28a2
updated for version 7.3.1133
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|
406 break; |
03375ccf28a2
updated for version 7.3.1133
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|
407 |
03375ccf28a2
updated for version 7.3.1133
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|
408 case NFA_SPLIT: |
03375ccf28a2
updated for version 7.3.1133
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409 return nfa_get_reganch(p->out, depth + 1) |
03375ccf28a2
updated for version 7.3.1133
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410 && nfa_get_reganch(p->out1, depth + 1); |
03375ccf28a2
updated for version 7.3.1133
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|
411 |
03375ccf28a2
updated for version 7.3.1133
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|
412 default: |
03375ccf28a2
updated for version 7.3.1133
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413 return 0; /* noooo */ |
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updated for version 7.3.1133
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|
414 } |
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updated for version 7.3.1133
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|
415 } |
03375ccf28a2
updated for version 7.3.1133
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|
416 return 0; |
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417 } |
03375ccf28a2
updated for version 7.3.1133
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|
418 |
03375ccf28a2
updated for version 7.3.1133
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|
419 /* |
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updated for version 7.3.1133
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420 * 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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421 * at start of the match. |
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updated for version 7.3.1133
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|
422 */ |
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updated for version 7.3.1133
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|
423 static int |
03375ccf28a2
updated for version 7.3.1133
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|
424 nfa_get_regstart(start, depth) |
03375ccf28a2
updated for version 7.3.1133
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|
425 nfa_state_T *start; |
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updated for version 7.3.1133
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|
426 int depth; |
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updated for version 7.3.1133
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|
427 { |
03375ccf28a2
updated for version 7.3.1133
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|
428 nfa_state_T *p = start; |
03375ccf28a2
updated for version 7.3.1133
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|
429 |
03375ccf28a2
updated for version 7.3.1133
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|
430 if (depth > 4) |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
431 return 0; |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
432 |
03375ccf28a2
updated for version 7.3.1133
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|
433 while (p != NULL) |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
434 { |
03375ccf28a2
updated for version 7.3.1133
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|
435 switch (p->c) |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
436 { |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
437 /* all kinds of zero-width matches */ |
03375ccf28a2
updated for version 7.3.1133
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|
438 case NFA_BOL: |
03375ccf28a2
updated for version 7.3.1133
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|
439 case NFA_BOF: |
03375ccf28a2
updated for version 7.3.1133
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|
440 case NFA_BOW: |
03375ccf28a2
updated for version 7.3.1133
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|
441 case NFA_EOW: |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
442 case NFA_ZSTART: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
443 case NFA_ZEND: |
03375ccf28a2
updated for version 7.3.1133
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|
444 case NFA_CURSOR: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
445 case NFA_VISUAL: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
446 case NFA_LNUM: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
447 case NFA_LNUM_GT: |
03375ccf28a2
updated for version 7.3.1133
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|
448 case NFA_LNUM_LT: |
03375ccf28a2
updated for version 7.3.1133
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|
449 case NFA_COL: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
450 case NFA_COL_GT: |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
451 case NFA_COL_LT: |
03375ccf28a2
updated for version 7.3.1133
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|
452 case NFA_VCOL: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
453 case NFA_VCOL_GT: |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
454 case NFA_VCOL_LT: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
455 case NFA_MARK: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
456 case NFA_MARK_GT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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changeset
|
457 case NFA_MARK_LT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
458 |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
459 case NFA_MOPEN: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
460 case NFA_MOPEN1: |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
461 case NFA_MOPEN2: |
03375ccf28a2
updated for version 7.3.1133
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|
462 case NFA_MOPEN3: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
463 case NFA_MOPEN4: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
464 case NFA_MOPEN5: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
465 case NFA_MOPEN6: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
466 case NFA_MOPEN7: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
467 case NFA_MOPEN8: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
468 case NFA_MOPEN9: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
469 case NFA_NOPEN: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
470 #ifdef FEAT_SYN_HL |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
471 case NFA_ZOPEN: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
472 case NFA_ZOPEN1: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
473 case NFA_ZOPEN2: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
474 case NFA_ZOPEN3: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
475 case NFA_ZOPEN4: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
476 case NFA_ZOPEN5: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
477 case NFA_ZOPEN6: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
478 case NFA_ZOPEN7: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
479 case NFA_ZOPEN8: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
480 case NFA_ZOPEN9: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
481 #endif |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
482 p = p->out; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
483 break; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
484 |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
485 case NFA_SPLIT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
486 { |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
487 int c1 = nfa_get_regstart(p->out, depth + 1); |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
488 int c2 = nfa_get_regstart(p->out1, depth + 1); |
03375ccf28a2
updated for version 7.3.1133
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|
489 |
03375ccf28a2
updated for version 7.3.1133
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|
490 if (c1 == c2) |
03375ccf28a2
updated for version 7.3.1133
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|
491 return c1; /* yes! */ |
03375ccf28a2
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|
492 return 0; |
03375ccf28a2
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|
493 } |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
494 |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
495 default: |
4785
3b5a023a4543
updated for version 7.3.1139
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parents:
4783
diff
changeset
|
496 if (p->c > 0) |
4772
03375ccf28a2
updated for version 7.3.1133
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|
497 return p->c; /* yes! */ |
03375ccf28a2
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|
498 return 0; |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
499 } |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
500 } |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
501 return 0; |
03375ccf28a2
updated for version 7.3.1133
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|
502 } |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
503 |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
504 /* |
4805
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
changeset
|
505 * Figure out if the NFA state list contains just literal text and nothing |
4807
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
506 * else. If so return a string in allocated memory with what must match after |
3dbd251777de
updated for version 7.3.1150
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diff
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|
507 * regstart. Otherwise return NULL. |
4805
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|
508 */ |
66803af09906
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diff
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|
509 static char_u * |
66803af09906
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diff
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|
510 nfa_get_match_text(start) |
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|
511 nfa_state_T *start; |
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|
512 { |
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|
513 nfa_state_T *p = start; |
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|
514 int len = 0; |
66803af09906
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diff
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|
515 char_u *ret; |
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|
516 char_u *s; |
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|
517 |
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diff
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|
518 if (p->c != NFA_MOPEN) |
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|
519 return NULL; /* just in case */ |
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diff
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|
520 p = p->out; |
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updated for version 7.3.1149
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|
521 while (p->c > 0) |
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|
522 { |
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|
523 len += MB_CHAR2LEN(p->c); |
66803af09906
updated for version 7.3.1149
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|
524 p = p->out; |
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updated for version 7.3.1149
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|
525 } |
66803af09906
updated for version 7.3.1149
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diff
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|
526 if (p->c != NFA_MCLOSE || p->out->c != NFA_MATCH) |
66803af09906
updated for version 7.3.1149
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|
527 return NULL; |
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updated for version 7.3.1149
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parents:
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diff
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|
528 |
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diff
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|
529 ret = alloc(len); |
66803af09906
updated for version 7.3.1149
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diff
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|
530 if (ret != NULL) |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
531 { |
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updated for version 7.3.1149
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diff
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|
532 len = 0; |
66803af09906
updated for version 7.3.1149
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diff
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|
533 p = start->out->out; /* skip first char, it goes into regstart */ |
66803af09906
updated for version 7.3.1149
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diff
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|
534 s = ret; |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
535 while (p->c > 0) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
536 { |
66803af09906
updated for version 7.3.1149
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diff
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|
537 #ifdef FEAT_MBYTE |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
538 if (has_mbyte) |
66803af09906
updated for version 7.3.1149
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diff
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|
539 s += (*mb_char2bytes)(p->c, s); |
66803af09906
updated for version 7.3.1149
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diff
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|
540 else |
66803af09906
updated for version 7.3.1149
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diff
changeset
|
541 #endif |
66803af09906
updated for version 7.3.1149
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diff
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|
542 *s++ = p->c; |
66803af09906
updated for version 7.3.1149
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diff
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|
543 p = p->out; |
66803af09906
updated for version 7.3.1149
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diff
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|
544 } |
66803af09906
updated for version 7.3.1149
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diff
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|
545 *s = NUL; |
66803af09906
updated for version 7.3.1149
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diff
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|
546 } |
66803af09906
updated for version 7.3.1149
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|
547 return ret; |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
548 } |
66803af09906
updated for version 7.3.1149
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parents:
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diff
changeset
|
549 |
66803af09906
updated for version 7.3.1149
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parents:
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diff
changeset
|
550 /* |
4651
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
551 * Allocate more space for post_start. Called when |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
552 * running above the estimated number of states. |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
553 */ |
f10f63aaec5c
updated for version 7.3.1073
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diff
changeset
|
554 static int |
f10f63aaec5c
updated for version 7.3.1073
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diff
changeset
|
555 realloc_post_list() |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
556 { |
4667
9e7ef781d494
updated for version 7.3.1081
Bram Moolenaar <bram@vim.org>
parents:
4661
diff
changeset
|
557 int nstate_max = (int)(post_end - post_start); |
4651
f10f63aaec5c
updated for version 7.3.1073
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diff
changeset
|
558 int new_max = nstate_max + 1000; |
f10f63aaec5c
updated for version 7.3.1073
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diff
changeset
|
559 int *new_start; |
f10f63aaec5c
updated for version 7.3.1073
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diff
changeset
|
560 int *old_start; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
561 |
f10f63aaec5c
updated for version 7.3.1073
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parents:
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diff
changeset
|
562 new_start = (int *)lalloc(new_max * sizeof(int), TRUE); |
f10f63aaec5c
updated for version 7.3.1073
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diff
changeset
|
563 if (new_start == NULL) |
f10f63aaec5c
updated for version 7.3.1073
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diff
changeset
|
564 return FAIL; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
565 mch_memmove(new_start, post_start, nstate_max * sizeof(int)); |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
566 old_start = post_start; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
567 post_start = new_start; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
568 post_ptr = new_start + (post_ptr - old_start); |
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
569 post_end = post_start + new_max; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
570 vim_free(old_start); |
f10f63aaec5c
updated for version 7.3.1073
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parents:
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diff
changeset
|
571 return OK; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
572 } |
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
573 |
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
574 /* |
4444 | 575 * Search between "start" and "end" and try to recognize a |
576 * character class in expanded form. For example [0-9]. | |
577 * On success, return the id the character class to be emitted. | |
578 * On failure, return 0 (=FAIL) | |
579 * Start points to the first char of the range, while end should point | |
580 * to the closing brace. | |
581 */ | |
582 static int | |
583 nfa_recognize_char_class(start, end, extra_newl) | |
584 char_u *start; | |
585 char_u *end; | |
586 int extra_newl; | |
587 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
588 # define CLASS_not 0x80 |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
589 # define CLASS_af 0x40 |
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
590 # define CLASS_AF 0x20 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
591 # define CLASS_az 0x10 |
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
592 # define CLASS_AZ 0x08 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
593 # define CLASS_o7 0x04 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
594 # define CLASS_o9 0x02 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
595 # define CLASS_underscore 0x01 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
596 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
597 int newl = FALSE; |
4444 | 598 char_u *p; |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
599 int config = 0; |
4444 | 600 |
601 if (extra_newl == TRUE) | |
602 newl = TRUE; | |
603 | |
604 if (*end != ']') | |
605 return FAIL; | |
606 p = start; | |
607 if (*p == '^') | |
608 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
609 config |= CLASS_not; |
4720
bd6bef0bd0fb
updated for version 7.3.1107
Bram Moolenaar <bram@vim.org>
parents:
4718
diff
changeset
|
610 p++; |
4444 | 611 } |
612 | |
613 while (p < end) | |
614 { | |
615 if (p + 2 < end && *(p + 1) == '-') | |
616 { | |
617 switch (*p) | |
618 { | |
619 case '0': | |
620 if (*(p + 2) == '9') | |
621 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
622 config |= CLASS_o9; |
4444 | 623 break; |
624 } | |
625 else | |
626 if (*(p + 2) == '7') | |
627 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
628 config |= CLASS_o7; |
4444 | 629 break; |
630 } | |
631 case 'a': | |
632 if (*(p + 2) == 'z') | |
633 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
634 config |= CLASS_az; |
4444 | 635 break; |
636 } | |
637 else | |
638 if (*(p + 2) == 'f') | |
639 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
640 config |= CLASS_af; |
4444 | 641 break; |
642 } | |
643 case 'A': | |
644 if (*(p + 2) == 'Z') | |
645 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
646 config |= CLASS_AZ; |
4444 | 647 break; |
648 } | |
649 else | |
650 if (*(p + 2) == 'F') | |
651 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
652 config |= CLASS_AF; |
4444 | 653 break; |
654 } | |
655 /* FALLTHROUGH */ | |
656 default: | |
657 return FAIL; | |
658 } | |
659 p += 3; | |
660 } | |
661 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
662 { | |
663 newl = TRUE; | |
664 p += 2; | |
665 } | |
666 else if (*p == '_') | |
667 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
668 config |= CLASS_underscore; |
4444 | 669 p ++; |
670 } | |
671 else if (*p == '\n') | |
672 { | |
673 newl = TRUE; | |
674 p ++; | |
675 } | |
676 else | |
677 return FAIL; | |
678 } /* while (p < end) */ | |
679 | |
680 if (p != end) | |
681 return FAIL; | |
682 | |
683 if (newl == TRUE) | |
4728
43de4ebbe7ad
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diff
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|
684 extra_newl = ADD_NL; |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
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diff
changeset
|
685 |
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
686 switch (config) |
4444 | 687 { |
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
688 case CLASS_o9: |
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
689 return extra_newl + NFA_DIGIT; |
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
690 case CLASS_not | CLASS_o9: |
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
691 return extra_newl + NFA_NDIGIT; |
43de4ebbe7ad
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692 case CLASS_af | CLASS_AF | CLASS_o9: |
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|
693 return extra_newl + NFA_HEX; |
43de4ebbe7ad
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diff
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|
694 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9: |
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|
695 return extra_newl + NFA_NHEX; |
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diff
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|
696 case CLASS_o7: |
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diff
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|
697 return extra_newl + NFA_OCTAL; |
43de4ebbe7ad
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diff
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|
698 case CLASS_not | CLASS_o7: |
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|
699 return extra_newl + NFA_NOCTAL; |
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|
700 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
43de4ebbe7ad
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diff
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|
701 return extra_newl + NFA_WORD; |
43de4ebbe7ad
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diff
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|
702 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
43de4ebbe7ad
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diff
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|
703 return extra_newl + NFA_NWORD; |
43de4ebbe7ad
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diff
changeset
|
704 case CLASS_az | CLASS_AZ | CLASS_underscore: |
43de4ebbe7ad
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diff
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|
705 return extra_newl + NFA_HEAD; |
43de4ebbe7ad
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diff
changeset
|
706 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore: |
43de4ebbe7ad
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diff
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|
707 return extra_newl + NFA_NHEAD; |
43de4ebbe7ad
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diff
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|
708 case CLASS_az | CLASS_AZ: |
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diff
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|
709 return extra_newl + NFA_ALPHA; |
43de4ebbe7ad
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diff
changeset
|
710 case CLASS_not | CLASS_az | CLASS_AZ: |
43de4ebbe7ad
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diff
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|
711 return extra_newl + NFA_NALPHA; |
43de4ebbe7ad
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diff
changeset
|
712 case CLASS_az: |
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diff
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|
713 return extra_newl + NFA_LOWER; |
43de4ebbe7ad
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diff
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|
714 case CLASS_not | CLASS_az: |
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diff
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|
715 return extra_newl + NFA_NLOWER; |
43de4ebbe7ad
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diff
changeset
|
716 case CLASS_AZ: |
43de4ebbe7ad
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diff
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|
717 return extra_newl + NFA_UPPER; |
43de4ebbe7ad
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diff
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|
718 case CLASS_not | CLASS_AZ: |
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diff
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|
719 return extra_newl + NFA_NUPPER; |
4444 | 720 } |
721 return FAIL; | |
722 } | |
723 | |
724 /* | |
725 * Produce the bytes for equivalence class "c". | |
726 * Currently only handles latin1, latin9 and utf-8. | |
727 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
728 * equivalent to 'a OR b OR c' | |
729 * | |
730 * NOTE! When changing this function, also update reg_equi_class() | |
731 */ | |
732 static int | |
4781
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updated for version 7.3.1137
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diff
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|
733 nfa_emit_equi_class(c) |
4444 | 734 int c; |
735 { | |
4781
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updated for version 7.3.1137
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diff
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|
736 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT); |
4444 | 737 |
738 #ifdef FEAT_MBYTE | |
739 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 | |
740 || STRCMP(p_enc, "iso-8859-15") == 0) | |
741 #endif | |
742 { | |
743 switch (c) | |
744 { | |
4781
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diff
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|
745 case 'A': case 0300: case 0301: case 0302: |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
746 case 0303: case 0304: case 0305: |
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updated for version 7.3.1137
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diff
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|
747 EMIT2('A'); EMIT2(0300); EMIT2(0301); |
c02c7df9bdc9
updated for version 7.3.1137
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|
748 EMIT2(0302); EMIT2(0303); EMIT2(0304); |
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updated for version 7.3.1137
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|
749 EMIT2(0305); |
4444 | 750 return OK; |
751 | |
4781
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diff
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|
752 case 'C': case 0307: |
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|
753 EMIT2('C'); EMIT2(0307); |
4444 | 754 return OK; |
755 | |
4781
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diff
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|
756 case 'E': case 0310: case 0311: case 0312: case 0313: |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
757 EMIT2('E'); EMIT2(0310); EMIT2(0311); |
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updated for version 7.3.1137
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|
758 EMIT2(0312); EMIT2(0313); |
4444 | 759 return OK; |
760 | |
4781
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diff
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|
761 case 'I': case 0314: case 0315: case 0316: case 0317: |
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diff
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|
762 EMIT2('I'); EMIT2(0314); EMIT2(0315); |
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updated for version 7.3.1137
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diff
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|
763 EMIT2(0316); EMIT2(0317); |
4444 | 764 return OK; |
765 | |
4781
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diff
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|
766 case 'N': case 0321: |
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diff
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|
767 EMIT2('N'); EMIT2(0321); |
4444 | 768 return OK; |
769 | |
4781
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diff
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|
770 case 'O': case 0322: case 0323: case 0324: case 0325: |
c02c7df9bdc9
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diff
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|
771 case 0326: |
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diff
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|
772 EMIT2('O'); EMIT2(0322); EMIT2(0323); |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
773 EMIT2(0324); EMIT2(0325); EMIT2(0326); |
4444 | 774 return OK; |
775 | |
4781
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updated for version 7.3.1137
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diff
changeset
|
776 case 'U': case 0331: case 0332: case 0333: case 0334: |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
777 EMIT2('U'); EMIT2(0331); EMIT2(0332); |
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diff
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|
778 EMIT2(0333); EMIT2(0334); |
4444 | 779 return OK; |
780 | |
4781
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diff
changeset
|
781 case 'Y': case 0335: |
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diff
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|
782 EMIT2('Y'); EMIT2(0335); |
4444 | 783 return OK; |
784 | |
4781
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diff
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|
785 case 'a': case 0340: case 0341: case 0342: |
c02c7df9bdc9
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diff
changeset
|
786 case 0343: case 0344: case 0345: |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
787 EMIT2('a'); EMIT2(0340); EMIT2(0341); |
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diff
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|
788 EMIT2(0342); EMIT2(0343); EMIT2(0344); |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
789 EMIT2(0345); |
4444 | 790 return OK; |
791 | |
4781
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diff
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|
792 case 'c': case 0347: |
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updated for version 7.3.1137
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diff
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|
793 EMIT2('c'); EMIT2(0347); |
4444 | 794 return OK; |
795 | |
4781
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diff
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|
796 case 'e': case 0350: case 0351: case 0352: case 0353: |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
797 EMIT2('e'); EMIT2(0350); EMIT2(0351); |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
798 EMIT2(0352); EMIT2(0353); |
4444 | 799 return OK; |
800 | |
4781
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diff
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|
801 case 'i': case 0354: case 0355: case 0356: case 0357: |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
802 EMIT2('i'); EMIT2(0354); EMIT2(0355); |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
803 EMIT2(0356); EMIT2(0357); |
4444 | 804 return OK; |
805 | |
4781
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diff
changeset
|
806 case 'n': case 0361: |
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diff
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|
807 EMIT2('n'); EMIT2(0361); |
4444 | 808 return OK; |
809 | |
4781
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updated for version 7.3.1137
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diff
changeset
|
810 case 'o': case 0362: case 0363: case 0364: case 0365: |
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diff
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|
811 case 0366: |
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diff
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|
812 EMIT2('o'); EMIT2(0362); EMIT2(0363); |
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updated for version 7.3.1137
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diff
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|
813 EMIT2(0364); EMIT2(0365); EMIT2(0366); |
4444 | 814 return OK; |
815 | |
4781
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diff
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|
816 case 'u': case 0371: case 0372: case 0373: case 0374: |
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updated for version 7.3.1137
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diff
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|
817 EMIT2('u'); EMIT2(0371); EMIT2(0372); |
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updated for version 7.3.1137
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diff
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|
818 EMIT2(0373); EMIT2(0374); |
4444 | 819 return OK; |
820 | |
4781
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diff
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|
821 case 'y': case 0375: case 0377: |
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diff
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|
822 EMIT2('y'); EMIT2(0375); EMIT2(0377); |
4444 | 823 return OK; |
824 | |
825 default: | |
826 return FAIL; | |
827 } | |
828 } | |
829 | |
830 EMIT(c); | |
831 return OK; | |
832 #undef EMIT2 | |
833 } | |
834 | |
835 /* | |
836 * Code to parse regular expression. | |
837 * | |
838 * We try to reuse parsing functions in regexp.c to | |
839 * minimize surprise and keep the syntax consistent. | |
840 */ | |
841 | |
842 /* | |
843 * Parse the lowest level. | |
844 * | |
845 * An atom can be one of a long list of items. Many atoms match one character | |
846 * in the text. It is often an ordinary character or a character class. | |
847 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
848 * is only for syntax highlighting. | |
849 * | |
850 * atom ::= ordinary-atom | |
851 * or \( pattern \) | |
852 * or \%( pattern \) | |
853 * or \z( pattern \) | |
854 */ | |
855 static int | |
856 nfa_regatom() | |
857 { | |
858 int c; | |
859 int charclass; | |
860 int equiclass; | |
861 int collclass; | |
862 int got_coll_char; | |
863 char_u *p; | |
864 char_u *endp; | |
865 #ifdef FEAT_MBYTE | |
866 char_u *old_regparse = regparse; | |
867 #endif | |
868 int extra = 0; | |
869 int emit_range; | |
870 int negated; | |
871 int result; | |
872 int startc = -1; | |
873 int endc = -1; | |
874 int oldstartc = -1; | |
875 | |
876 c = getchr(); | |
877 switch (c) | |
878 { | |
4543
08ac46980953
updated for version 7.3.1019
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diff
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|
879 case NUL: |
08ac46980953
updated for version 7.3.1019
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diff
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|
880 EMSG_RET_FAIL(_("E865: (NFA) Regexp end encountered prematurely")); |
08ac46980953
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|
881 |
4444 | 882 case Magic('^'): |
883 EMIT(NFA_BOL); | |
884 break; | |
885 | |
886 case Magic('$'): | |
887 EMIT(NFA_EOL); | |
888 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
889 had_eol = TRUE; | |
890 #endif | |
891 break; | |
892 | |
893 case Magic('<'): | |
894 EMIT(NFA_BOW); | |
895 break; | |
896 | |
897 case Magic('>'): | |
898 EMIT(NFA_EOW); | |
899 break; | |
900 | |
901 case Magic('_'): | |
902 c = no_Magic(getchr()); | |
903 if (c == '^') /* "\_^" is start-of-line */ | |
904 { | |
905 EMIT(NFA_BOL); | |
906 break; | |
907 } | |
908 if (c == '$') /* "\_$" is end-of-line */ | |
909 { | |
910 EMIT(NFA_EOL); | |
911 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
912 had_eol = TRUE; | |
913 #endif | |
914 break; | |
915 } | |
916 | |
917 extra = ADD_NL; | |
918 | |
919 /* "\_[" is collection plus newline */ | |
920 if (c == '[') | |
4517
9a2183bd8295
updated for version 7.3.1006
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diff
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|
921 goto collection; |
4444 | 922 |
923 /* "\_x" is character class plus newline */ | |
924 /*FALLTHROUGH*/ | |
925 | |
926 /* | |
927 * Character classes. | |
928 */ | |
929 case Magic('.'): | |
930 case Magic('i'): | |
931 case Magic('I'): | |
932 case Magic('k'): | |
933 case Magic('K'): | |
934 case Magic('f'): | |
935 case Magic('F'): | |
936 case Magic('p'): | |
937 case Magic('P'): | |
938 case Magic('s'): | |
939 case Magic('S'): | |
940 case Magic('d'): | |
941 case Magic('D'): | |
942 case Magic('x'): | |
943 case Magic('X'): | |
944 case Magic('o'): | |
945 case Magic('O'): | |
946 case Magic('w'): | |
947 case Magic('W'): | |
948 case Magic('h'): | |
949 case Magic('H'): | |
950 case Magic('a'): | |
951 case Magic('A'): | |
952 case Magic('l'): | |
953 case Magic('L'): | |
954 case Magic('u'): | |
955 case Magic('U'): | |
956 p = vim_strchr(classchars, no_Magic(c)); | |
957 if (p == NULL) | |
958 { | |
4571
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updated for version 7.3.1033
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|
959 EMSGN("INTERNAL: Unknown character class char: %ld", c); |
b2a8e3a66f8c
updated for version 7.3.1033
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diff
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|
960 return FAIL; |
4444 | 961 } |
962 #ifdef FEAT_MBYTE | |
963 /* When '.' is followed by a composing char ignore the dot, so that | |
964 * the composing char is matched here. */ | |
965 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) | |
966 { | |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
967 old_regparse = regparse; |
4444 | 968 c = getchr(); |
969 goto nfa_do_multibyte; | |
970 } | |
971 #endif | |
972 EMIT(nfa_classcodes[p - classchars]); | |
973 if (extra == ADD_NL) | |
974 { | |
975 EMIT(NFA_NEWL); | |
976 EMIT(NFA_OR); | |
977 regflags |= RF_HASNL; | |
978 } | |
979 break; | |
980 | |
981 case Magic('n'): | |
982 if (reg_string) | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
983 /* In a string "\n" matches a newline character. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
984 EMIT(NL); |
4444 | 985 else |
986 { | |
987 /* In buffer text "\n" matches the end of a line. */ | |
988 EMIT(NFA_NEWL); | |
989 regflags |= RF_HASNL; | |
990 } | |
991 break; | |
992 | |
993 case Magic('('): | |
994 if (nfa_reg(REG_PAREN) == FAIL) | |
995 return FAIL; /* cascaded error */ | |
996 break; | |
997 | |
998 case Magic('|'): | |
999 case Magic('&'): | |
1000 case Magic(')'): | |
4450 | 1001 EMSGN(_(e_misplaced), no_Magic(c)); |
4444 | 1002 return FAIL; |
1003 | |
1004 case Magic('='): | |
1005 case Magic('?'): | |
1006 case Magic('+'): | |
1007 case Magic('@'): | |
1008 case Magic('*'): | |
1009 case Magic('{'): | |
1010 /* these should follow an atom, not form an atom */ | |
4450 | 1011 EMSGN(_(e_misplaced), no_Magic(c)); |
4444 | 1012 return FAIL; |
1013 | |
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1014 case Magic('~'): |
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 char_u *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 /* Previous substitute pattern. |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1019 * Generated as "\%(pattern\)". */ |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1020 if (reg_prev_sub == NULL) |
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 EMSG(_(e_nopresub)); |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1023 return FAIL; |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1024 } |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1025 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
|
1026 { |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1027 EMIT(PTR2CHAR(lp)); |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1028 if (lp != reg_prev_sub) |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1029 EMIT(NFA_CONCAT); |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1030 } |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1031 EMIT(NFA_NOPEN); |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1032 break; |
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1033 } |
4444 | 1034 |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1035 case Magic('1'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1036 case Magic('2'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1037 case Magic('3'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1038 case Magic('4'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1039 case Magic('5'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1040 case Magic('6'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1041 case Magic('7'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1042 case Magic('8'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1043 case Magic('9'): |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1044 EMIT(NFA_BACKREF1 + (no_Magic(c) - '1')); |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1045 nfa_has_backref = TRUE; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1046 break; |
4444 | 1047 |
1048 case Magic('z'): | |
1049 c = no_Magic(getchr()); | |
1050 switch (c) | |
1051 { | |
1052 case 's': | |
1053 EMIT(NFA_ZSTART); | |
1054 break; | |
1055 case 'e': | |
1056 EMIT(NFA_ZEND); | |
1057 nfa_has_zend = TRUE; | |
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
1058 break; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1059 #ifdef FEAT_SYN_HL |
4444 | 1060 case '1': |
1061 case '2': | |
1062 case '3': | |
1063 case '4': | |
1064 case '5': | |
1065 case '6': | |
1066 case '7': | |
1067 case '8': | |
1068 case '9': | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1069 /* \z1...\z9 */ |
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1070 if (reg_do_extmatch != REX_USE) |
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1071 EMSG_RET_FAIL(_(e_z1_not_allowed)); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1072 EMIT(NFA_ZREF1 + (no_Magic(c) - '1')); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1073 /* 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
|
1074 * change when \z1 .. \z9 matches or not. */ |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1075 re_has_z = REX_USE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1076 break; |
4444 | 1077 case '(': |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1078 /* \z( */ |
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1079 if (reg_do_extmatch != REX_SET) |
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1080 EMSG_RET_FAIL(_(e_z_not_allowed)); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1081 if (nfa_reg(REG_ZPAREN) == FAIL) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1082 return FAIL; /* cascaded error */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1083 re_has_z = REX_SET; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1084 break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1085 #endif |
4444 | 1086 default: |
4450 | 1087 EMSGN(_("E867: (NFA) Unknown operator '\\z%c'"), |
4444 | 1088 no_Magic(c)); |
1089 return FAIL; | |
1090 } | |
1091 break; | |
1092 | |
1093 case Magic('%'): | |
1094 c = no_Magic(getchr()); | |
1095 switch (c) | |
1096 { | |
1097 /* () without a back reference */ | |
1098 case '(': | |
1099 if (nfa_reg(REG_NPAREN) == FAIL) | |
1100 return FAIL; | |
1101 EMIT(NFA_NOPEN); | |
1102 break; | |
1103 | |
1104 case 'd': /* %d123 decimal */ | |
1105 case 'o': /* %o123 octal */ | |
1106 case 'x': /* %xab hex 2 */ | |
1107 case 'u': /* %uabcd hex 4 */ | |
1108 case 'U': /* %U1234abcd hex 8 */ | |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1109 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1110 int nr; |
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 switch (c) |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1113 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1114 case 'd': nr = getdecchrs(); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1115 case 'o': nr = getoctchrs(); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1116 case 'x': nr = gethexchrs(2); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1117 case 'u': nr = gethexchrs(4); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1118 case 'U': nr = gethexchrs(8); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1119 default: nr = -1; break; |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1120 } |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1121 |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1122 if (nr < 0) |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1123 EMSG2_RET_FAIL( |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1124 _("E678: Invalid character after %s%%[dxouU]"), |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1125 reg_magic == MAGIC_ALL); |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1126 /* TODO: what if a composing character follows? */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1127 EMIT(nr); |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1128 } |
4444 | 1129 break; |
1130 | |
1131 /* Catch \%^ and \%$ regardless of where they appear in the | |
1132 * pattern -- regardless of whether or not it makes sense. */ | |
1133 case '^': | |
1134 EMIT(NFA_BOF); | |
1135 break; | |
1136 | |
1137 case '$': | |
1138 EMIT(NFA_EOF); | |
1139 break; | |
1140 | |
1141 case '#': | |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1142 EMIT(NFA_CURSOR); |
4444 | 1143 break; |
1144 | |
1145 case 'V': | |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
1146 EMIT(NFA_VISUAL); |
4444 | 1147 break; |
1148 | |
1149 case '[': | |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1150 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1151 int n; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1152 |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1153 /* \%[abc] */ |
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1154 for (n = 0; (c = peekchr()) != ']'; ++n) |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1155 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1156 if (c == NUL) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1157 EMSG2_RET_FAIL(_(e_missing_sb), |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1158 reg_magic == MAGIC_ALL); |
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1159 /* recursive call! */ |
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1160 if (nfa_regatom() == FAIL) |
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1161 return FAIL; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1162 } |
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1163 getchr(); /* get the ] */ |
4760
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1164 if (n == 0) |
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1165 EMSG2_RET_FAIL(_(e_empty_sb), |
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1166 reg_magic == MAGIC_ALL); |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1167 EMIT(NFA_OPT_CHARS); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1168 EMIT(n); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1169 break; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1170 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1171 |
4444 | 1172 default: |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1173 { |
4655
779ca415f8e1
updated for version 7.3.1075
Bram Moolenaar <bram@vim.org>
parents:
4651
diff
changeset
|
1174 int n = 0; |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1175 int cmp = c; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1176 |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1177 if (c == '<' || c == '>') |
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1178 c = getchr(); |
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1179 while (VIM_ISDIGIT(c)) |
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1180 { |
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1181 n = n * 10 + (c - '0'); |
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1182 c = getchr(); |
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|
1183 } |
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1184 if (c == 'l' || c == 'c' || c == 'v') |
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|
1185 { |
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|
1186 if (c == 'l') |
4732
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|
1187 /* \%{n}l \%{n}<l \%{n}>l */ |
4583
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|
1188 EMIT(cmp == '<' ? NFA_LNUM_LT : |
4732
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|
1189 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM); |
4583
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1190 else if (c == 'c') |
4732
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1191 /* \%{n}c \%{n}<c \%{n}>c */ |
4583
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|
1192 EMIT(cmp == '<' ? NFA_COL_LT : |
4732
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|
1193 cmp == '>' ? NFA_COL_GT : NFA_COL); |
4583
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1194 else |
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1195 /* \%{n}v \%{n}<v \%{n}>v */ |
4583
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1196 EMIT(cmp == '<' ? NFA_VCOL_LT : |
4732
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1197 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); |
4740
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1198 EMIT(n); |
4583
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1199 break; |
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1200 } |
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1201 else if (c == '\'' && n == 0) |
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1202 { |
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1203 /* \%'m \%<'m \%>'m */ |
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1204 EMIT(cmp == '<' ? NFA_MARK_LT : |
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1205 cmp == '>' ? NFA_MARK_GT : NFA_MARK); |
4740
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1206 EMIT(getchr()); |
4732
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1207 break; |
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1208 } |
4583
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1209 } |
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1210 EMSGN(_("E867: (NFA) Unknown operator '\\%%%c'"), |
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|
1211 no_Magic(c)); |
4444 | 1212 return FAIL; |
1213 } | |
1214 break; | |
1215 | |
1216 case Magic('['): | |
4517
9a2183bd8295
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|
1217 collection: |
4444 | 1218 /* |
4781
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1219 * [abc] uses NFA_START_COLL - NFA_END_COLL |
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1220 * [^abc] uses NFA_START_NEG_COLL - NFA_END_NEG_COLL |
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1221 * Each character is produced as a regular state, using |
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1222 * NFA_CONCAT to bind them together. |
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1223 * Besides normal characters there can be: |
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1224 * - character classes NFA_CLASS_* |
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1225 * - ranges, two characters followed by NFA_RANGE. |
4444 | 1226 */ |
1227 | |
1228 p = regparse; | |
1229 endp = skip_anyof(p); | |
1230 if (*endp == ']') | |
1231 { | |
1232 /* | |
1233 * Try to reverse engineer character classes. For example, | |
1234 * recognize that [0-9] stands for \d and [A-Za-z_] with \h, | |
1235 * and perform the necessary substitutions in the NFA. | |
1236 */ | |
1237 result = nfa_recognize_char_class(regparse, endp, | |
1238 extra == ADD_NL); | |
1239 if (result != FAIL) | |
1240 { | |
1241 if (result >= NFA_DIGIT && result <= NFA_NUPPER) | |
1242 EMIT(result); | |
1243 else /* must be char class + newline */ | |
1244 { | |
1245 EMIT(result - ADD_NL); | |
1246 EMIT(NFA_NEWL); | |
1247 EMIT(NFA_OR); | |
1248 } | |
1249 regparse = endp; | |
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1250 mb_ptr_adv(regparse); |
4444 | 1251 return OK; |
1252 } | |
1253 /* | |
1254 * Failed to recognize a character class. Use the simple | |
1255 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
1256 */ | |
1257 startc = endc = oldstartc = -1; | |
1258 negated = FALSE; | |
1259 if (*regparse == '^') /* negated range */ | |
1260 { | |
1261 negated = TRUE; | |
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1262 mb_ptr_adv(regparse); |
4781
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1263 EMIT(NFA_START_NEG_COLL); |
4444 | 1264 } |
4781
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1265 else |
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|
1266 EMIT(NFA_START_COLL); |
4444 | 1267 if (*regparse == '-') |
1268 { | |
1269 startc = '-'; | |
1270 EMIT(startc); | |
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1271 EMIT(NFA_CONCAT); |
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|
1272 mb_ptr_adv(regparse); |
4444 | 1273 } |
1274 /* Emit the OR branches for each character in the [] */ | |
1275 emit_range = FALSE; | |
1276 while (regparse < endp) | |
1277 { | |
1278 oldstartc = startc; | |
1279 startc = -1; | |
1280 got_coll_char = FALSE; | |
1281 if (*regparse == '[') | |
1282 { | |
1283 /* Check for [: :], [= =], [. .] */ | |
1284 equiclass = collclass = 0; | |
1285 charclass = get_char_class(®parse); | |
1286 if (charclass == CLASS_NONE) | |
1287 { | |
1288 equiclass = get_equi_class(®parse); | |
1289 if (equiclass == 0) | |
1290 collclass = get_coll_element(®parse); | |
1291 } | |
1292 | |
1293 /* Character class like [:alpha:] */ | |
1294 if (charclass != CLASS_NONE) | |
1295 { | |
1296 switch (charclass) | |
1297 { | |
1298 case CLASS_ALNUM: | |
1299 EMIT(NFA_CLASS_ALNUM); | |
1300 break; | |
1301 case CLASS_ALPHA: | |
1302 EMIT(NFA_CLASS_ALPHA); | |
1303 break; | |
1304 case CLASS_BLANK: | |
1305 EMIT(NFA_CLASS_BLANK); | |
1306 break; | |
1307 case CLASS_CNTRL: | |
1308 EMIT(NFA_CLASS_CNTRL); | |
1309 break; | |
1310 case CLASS_DIGIT: | |
1311 EMIT(NFA_CLASS_DIGIT); | |
1312 break; | |
1313 case CLASS_GRAPH: | |
1314 EMIT(NFA_CLASS_GRAPH); | |
1315 break; | |
1316 case CLASS_LOWER: | |
1317 EMIT(NFA_CLASS_LOWER); | |
1318 break; | |
1319 case CLASS_PRINT: | |
1320 EMIT(NFA_CLASS_PRINT); | |
1321 break; | |
1322 case CLASS_PUNCT: | |
1323 EMIT(NFA_CLASS_PUNCT); | |
1324 break; | |
1325 case CLASS_SPACE: | |
1326 EMIT(NFA_CLASS_SPACE); | |
1327 break; | |
1328 case CLASS_UPPER: | |
1329 EMIT(NFA_CLASS_UPPER); | |
1330 break; | |
1331 case CLASS_XDIGIT: | |
1332 EMIT(NFA_CLASS_XDIGIT); | |
1333 break; | |
1334 case CLASS_TAB: | |
1335 EMIT(NFA_CLASS_TAB); | |
1336 break; | |
1337 case CLASS_RETURN: | |
1338 EMIT(NFA_CLASS_RETURN); | |
1339 break; | |
1340 case CLASS_BACKSPACE: | |
1341 EMIT(NFA_CLASS_BACKSPACE); | |
1342 break; | |
1343 case CLASS_ESCAPE: | |
1344 EMIT(NFA_CLASS_ESCAPE); | |
1345 break; | |
1346 } | |
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1347 EMIT(NFA_CONCAT); |
4444 | 1348 continue; |
1349 } | |
1350 /* Try equivalence class [=a=] and the like */ | |
1351 if (equiclass != 0) | |
1352 { | |
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|
1353 result = nfa_emit_equi_class(equiclass); |
4444 | 1354 if (result == FAIL) |
1355 { | |
1356 /* should never happen */ | |
1357 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); | |
1358 } | |
1359 continue; | |
1360 } | |
1361 /* Try collating class like [. .] */ | |
1362 if (collclass != 0) | |
1363 { | |
1364 startc = collclass; /* allow [.a.]-x as a range */ | |
1365 /* Will emit the proper atom at the end of the | |
1366 * while loop. */ | |
1367 } | |
1368 } | |
4677
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1369 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a |
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1370 * start character. */ |
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1371 if (*regparse == '-' && oldstartc != -1) |
4444 | 1372 { |
1373 emit_range = TRUE; | |
1374 startc = oldstartc; | |
4573
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1375 mb_ptr_adv(regparse); |
4444 | 1376 continue; /* reading the end of the range */ |
1377 } | |
1378 | |
1379 /* Now handle simple and escaped characters. | |
1380 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
1381 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
1382 * 'cpoptions' is not included. | |
1383 * Posix doesn't recognize backslash at all. | |
1384 */ | |
1385 if (*regparse == '\\' | |
4744
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|
1386 && !reg_cpo_bsl |
4444 | 1387 && regparse + 1 <= endp |
1388 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
4744
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1389 || (!reg_cpo_lit |
4444 | 1390 && vim_strchr(REGEXP_ABBR, regparse[1]) |
1391 != NULL) | |
1392 ) | |
1393 ) | |
1394 { | |
4573
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|
1395 mb_ptr_adv(regparse); |
4444 | 1396 |
4507
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|
1397 if (*regparse == 'n') |
4444 | 1398 startc = reg_string ? NL : NFA_NEWL; |
1399 else | |
1400 if (*regparse == 'd' | |
1401 || *regparse == 'o' | |
1402 || *regparse == 'x' | |
1403 || *regparse == 'u' | |
1404 || *regparse == 'U' | |
1405 ) | |
1406 { | |
1407 /* TODO(RE) This needs more testing */ | |
1408 startc = coll_get_char(); | |
1409 got_coll_char = TRUE; | |
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1410 mb_ptr_back(old_regparse, regparse); |
4444 | 1411 } |
1412 else | |
1413 { | |
1414 /* \r,\t,\e,\b */ | |
1415 startc = backslash_trans(*regparse); | |
1416 } | |
1417 } | |
1418 | |
1419 /* Normal printable char */ | |
1420 if (startc == -1) | |
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1421 startc = PTR2CHAR(regparse); |
4444 | 1422 |
1423 /* Previous char was '-', so this char is end of range. */ | |
1424 if (emit_range) | |
1425 { | |
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1426 endc = startc; |
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1427 startc = oldstartc; |
4444 | 1428 if (startc > endc) |
1429 EMSG_RET_FAIL(_(e_invrange)); | |
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1430 |
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1431 if (endc > startc + 2) |
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1432 { |
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1433 /* Emit a range instead of the sequence of |
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1434 * individual characters. */ |
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1435 if (startc == 0) |
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1436 /* \x00 is translated to \x0a, start at \x01. */ |
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1437 EMIT(1); |
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1438 else |
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1439 --post_ptr; /* remove NFA_CONCAT */ |
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1440 EMIT(endc); |
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1441 EMIT(NFA_RANGE); |
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1442 EMIT(NFA_CONCAT); |
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1443 } |
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1444 else |
4444 | 1445 #ifdef FEAT_MBYTE |
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|
1446 if (has_mbyte && ((*mb_char2len)(startc) > 1 |
4444 | 1447 || (*mb_char2len)(endc) > 1)) |
1448 { | |
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1449 /* Emit the characters in the range. |
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changeset
|
1450 * "startc" was already emitted, so skip it. |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1451 * */ |
4444 | 1452 for (c = startc + 1; c <= endc; c++) |
1453 { | |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1454 EMIT(c); |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1455 EMIT(NFA_CONCAT); |
4444 | 1456 } |
1457 } | |
1458 else | |
1459 #endif | |
1460 { | |
1461 #ifdef EBCDIC | |
1462 int alpha_only = FALSE; | |
1463 | |
1464 /* for alphabetical range skip the gaps | |
1465 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
1466 if (isalpha(startc) && isalpha(endc)) | |
1467 alpha_only = TRUE; | |
1468 #endif | |
1469 /* Emit the range. "startc" was already emitted, so | |
1470 * skip it. */ | |
1471 for (c = startc + 1; c <= endc; c++) | |
1472 #ifdef EBCDIC | |
1473 if (!alpha_only || isalpha(startc)) | |
1474 #endif | |
1475 { | |
1476 EMIT(c); | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1477 EMIT(NFA_CONCAT); |
4444 | 1478 } |
1479 } | |
4677
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1480 emit_range = FALSE; |
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1481 startc = -1; |
4444 | 1482 } |
1483 else | |
1484 { | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1485 /* This char (startc) is not part of a range. Just |
4444 | 1486 * emit it. |
1487 * Normally, simply emit startc. But if we get char | |
1488 * code=0 from a collating char, then replace it with | |
1489 * 0x0a. | |
1490 * 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
|
1491 * the backtracking engine. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1492 if (startc == NFA_NEWL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1493 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1494 /* 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
|
1495 * 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
|
1496 * range. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1497 if (!negated) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1498 extra = ADD_NL; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1499 } |
4444 | 1500 else |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1501 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
1502 if (got_coll_char == TRUE && startc == 0) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
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|
1503 EMIT(0x0a); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1504 else |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1505 EMIT(startc); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1506 EMIT(NFA_CONCAT); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
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|
1507 } |
4444 | 1508 } |
1509 | |
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1510 mb_ptr_adv(regparse); |
4444 | 1511 } /* while (p < endp) */ |
1512 | |
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1513 mb_ptr_back(old_regparse, regparse); |
4444 | 1514 if (*regparse == '-') /* if last, '-' is just a char */ |
1515 { | |
1516 EMIT('-'); | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1517 EMIT(NFA_CONCAT); |
4444 | 1518 } |
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1519 mb_ptr_adv(regparse); |
4444 | 1520 |
1521 /* skip the trailing ] */ | |
1522 regparse = endp; | |
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
changeset
|
1523 mb_ptr_adv(regparse); |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1524 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1525 /* Mark end of the collection. */ |
4444 | 1526 if (negated == TRUE) |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1527 EMIT(NFA_END_NEG_COLL); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1528 else |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1529 EMIT(NFA_END_COLL); |
4615
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1530 |
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1531 /* \_[] also matches \n but it's not negated */ |
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1532 if (extra == ADD_NL) |
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1533 { |
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1534 EMIT(reg_string ? NL : NFA_NEWL); |
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1535 EMIT(NFA_OR); |
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1536 } |
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1537 |
4444 | 1538 return OK; |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1539 } /* if exists closing ] */ |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1540 |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1541 if (reg_strict) |
4444 | 1542 EMSG_RET_FAIL(_(e_missingbracket)); |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1543 /* FALLTHROUGH */ |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1544 |
4444 | 1545 default: |
1546 { | |
1547 #ifdef FEAT_MBYTE | |
1548 int plen; | |
1549 | |
1550 nfa_do_multibyte: | |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1551 /* 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
|
1552 if (enc_utf8 && ((*mb_char2len)(c) |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1553 != (plen = (*mb_ptr2len)(old_regparse)) |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1554 || utf_iscomposing(c))) |
4444 | 1555 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1556 int i = 0; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1557 |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
1558 /* 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
|
1559 * or more composing characters. |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1560 * 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
|
1561 * 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
|
1562 * NFA_END_COMPOSING is the ). Note that right now we are |
4444 | 1563 * building the postfix form, not the NFA itself; |
1564 * 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
|
1565 * 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
|
1566 for (;;) |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1567 { |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1568 EMIT(c); |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1569 if (i > 0) |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1570 EMIT(NFA_CONCAT); |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1571 if ((i += utf_char2len(c)) >= plen) |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1572 break; |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1573 c = utf_ptr2char(old_regparse + i); |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1574 } |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
1575 EMIT(NFA_COMPOSING); |
4444 | 1576 regparse = old_regparse + plen; |
1577 } | |
1578 else | |
1579 #endif | |
1580 { | |
1581 c = no_Magic(c); | |
1582 EMIT(c); | |
1583 } | |
1584 return OK; | |
1585 } | |
1586 } | |
1587 | |
1588 return OK; | |
1589 } | |
1590 | |
1591 /* | |
1592 * Parse something followed by possible [*+=]. | |
1593 * | |
1594 * A piece is an atom, possibly followed by a multi, an indication of how many | |
1595 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
1596 * characters: "", "a", "aa", etc. | |
1597 * | |
1598 * piece ::= atom | |
1599 * or atom multi | |
1600 */ | |
1601 static int | |
1602 nfa_regpiece() | |
1603 { | |
1604 int i; | |
1605 int op; | |
1606 int ret; | |
1607 long minval, maxval; | |
1608 int greedy = TRUE; /* Braces are prefixed with '-' ? */ | |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1609 parse_state_T old_state; |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1610 parse_state_T new_state; |
4444 | 1611 int c2; |
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
1612 int old_post_pos; |
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
1613 int my_post_start; |
4444 | 1614 int quest; |
1615 | |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1616 /* Save the current parse state, so that we can use it if <atom>{m,n} is |
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1617 * next. */ |
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1618 save_parse_state(&old_state); |
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1619 |
4444 | 1620 /* store current pos in the postfix form, for \{m,n} involving 0s */ |
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
1621 my_post_start = (int)(post_ptr - post_start); |
4444 | 1622 |
1623 ret = nfa_regatom(); | |
1624 if (ret == FAIL) | |
1625 return FAIL; /* cascaded error */ | |
1626 | |
1627 op = peekchr(); | |
1628 if (re_multi_type(op) == NOT_MULTI) | |
1629 return OK; | |
1630 | |
1631 skipchr(); | |
1632 switch (op) | |
1633 { | |
1634 case Magic('*'): | |
1635 EMIT(NFA_STAR); | |
1636 break; | |
1637 | |
1638 case Magic('+'): | |
1639 /* | |
1640 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
1641 * first and only submatch would be "aaa". But the backtracking | |
1642 * engine interprets the plus as "try matching one more time", and | |
1643 * a* matches a second time at the end of the input, the empty | |
1644 * string. | |
1645 * The submatch will the empty string. | |
1646 * | |
4673
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
1647 * In order to be consistent with the old engine, we replace |
05d57d7c2d55
updated for version 7.3.1084
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parents:
4671
diff
changeset
|
1648 * <atom>+ with <atom><atom>* |
4444 | 1649 */ |
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
1650 restore_parse_state(&old_state); |
4444 | 1651 curchr = -1; |
1652 if (nfa_regatom() == FAIL) | |
1653 return FAIL; | |
1654 EMIT(NFA_STAR); | |
1655 EMIT(NFA_CONCAT); | |
1656 skipchr(); /* skip the \+ */ | |
1657 break; | |
1658 | |
1659 case Magic('@'): | |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1660 c2 = getdecchrs(); |
4444 | 1661 op = no_Magic(getchr()); |
4682
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1662 i = 0; |
4444 | 1663 switch(op) |
1664 { | |
1665 case '=': | |
4682
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1666 /* \@= */ |
2f51ee8825db
updated for version 7.3.1088
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4679
diff
changeset
|
1667 i = NFA_PREV_ATOM_NO_WIDTH; |
4444 | 1668 break; |
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
1669 case '!': |
4682
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1670 /* \@! */ |
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1671 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
1672 break; |
4444 | 1673 case '<': |
4682
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1674 op = no_Magic(getchr()); |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
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4679
diff
changeset
|
1675 if (op == '=') |
2f51ee8825db
updated for version 7.3.1088
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parents:
4679
diff
changeset
|
1676 /* \@<= */ |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1677 i = NFA_PREV_ATOM_JUST_BEFORE; |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1678 else if (op == '!') |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
1679 /* \@<! */ |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
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1680 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
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1681 break; |
4444 | 1682 case '>': |
4750
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1683 /* \@> */ |
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1684 i = NFA_PREV_ATOM_LIKE_PATTERN; |
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1685 break; |
4444 | 1686 } |
4682
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1687 if (i == 0) |
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1688 { |
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1689 EMSGN(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
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1690 return FAIL; |
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1691 } |
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1692 EMIT(i); |
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1693 if (i == NFA_PREV_ATOM_JUST_BEFORE |
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1694 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
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1695 EMIT(c2); |
4444 | 1696 break; |
1697 | |
1698 case Magic('?'): | |
1699 case Magic('='): | |
1700 EMIT(NFA_QUEST); | |
1701 break; | |
1702 | |
1703 case Magic('{'): | |
1704 /* a{2,5} will expand to 'aaa?a?a?' | |
1705 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy | |
1706 * version of '?' | |
1707 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the | |
1708 * parenthesis have the same id | |
1709 */ | |
1710 | |
1711 greedy = TRUE; | |
1712 c2 = peekchr(); | |
1713 if (c2 == '-' || c2 == Magic('-')) | |
1714 { | |
1715 skipchr(); | |
1716 greedy = FALSE; | |
1717 } | |
1718 if (!read_limits(&minval, &maxval)) | |
1719 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
4762
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1720 |
4444 | 1721 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to |
1722 * <atom>* */ | |
4675
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1723 if (minval == 0 && maxval == MAX_LIMIT) |
4444 | 1724 { |
4675
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1725 if (greedy) |
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1726 /* \{}, \{0,} */ |
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1727 EMIT(NFA_STAR); |
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1728 else |
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1729 /* \{-}, \{-0,} */ |
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1730 EMIT(NFA_STAR_NONGREEDY); |
4444 | 1731 break; |
1732 } | |
1733 | |
1734 /* Special case: x{0} or x{-0} */ | |
1735 if (maxval == 0) | |
1736 { | |
1737 /* Ignore result of previous call to nfa_regatom() */ | |
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1738 post_ptr = post_start + my_post_start; |
4444 | 1739 /* NFA_SKIP_CHAR has 0-length and works everywhere */ |
1740 EMIT(NFA_SKIP_CHAR); | |
1741 return OK; | |
1742 } | |
1743 | |
1744 /* Ignore previous call to nfa_regatom() */ | |
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1745 post_ptr = post_start + my_post_start; |
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1746 /* Save parse state after the repeated atom and the \{} */ |
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1747 save_parse_state(&new_state); |
4444 | 1748 |
1749 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
1750 for (i = 0; i < maxval; i++) | |
1751 { | |
1752 /* Goto beginning of the repeated atom */ | |
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1753 restore_parse_state(&old_state); |
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1754 old_post_pos = (int)(post_ptr - post_start); |
4444 | 1755 if (nfa_regatom() == FAIL) |
1756 return FAIL; | |
1757 /* after "minval" times, atoms are optional */ | |
1758 if (i + 1 > minval) | |
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1759 { |
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1760 if (maxval == MAX_LIMIT) |
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1761 { |
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1762 if (greedy) |
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1763 EMIT(NFA_STAR); |
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1764 else |
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1765 EMIT(NFA_STAR_NONGREEDY); |
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1766 } |
4673
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1767 else |
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1768 EMIT(quest); |
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1769 } |
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1770 if (old_post_pos != my_post_start) |
4444 | 1771 EMIT(NFA_CONCAT); |
4673
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1772 if (i + 1 > minval && maxval == MAX_LIMIT) |
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1773 break; |
4444 | 1774 } |
1775 | |
1776 /* Go to just after the repeated atom and the \{} */ | |
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1777 restore_parse_state(&new_state); |
4444 | 1778 curchr = -1; |
1779 | |
1780 break; | |
1781 | |
1782 | |
1783 default: | |
1784 break; | |
1785 } /* end switch */ | |
1786 | |
1787 if (re_multi_type(peekchr()) != NOT_MULTI) | |
1788 /* Can't have a multi follow a multi. */ | |
1789 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi !")); | |
1790 | |
1791 return OK; | |
1792 } | |
1793 | |
1794 /* | |
1795 * Parse one or more pieces, concatenated. It matches a match for the | |
1796 * first piece, followed by a match for the second piece, etc. Example: | |
1797 * "f[0-9]b", first matches "f", then a digit and then "b". | |
1798 * | |
1799 * concat ::= piece | |
1800 * or piece piece | |
1801 * or piece piece piece | |
1802 * etc. | |
1803 */ | |
1804 static int | |
1805 nfa_regconcat() | |
1806 { | |
1807 int cont = TRUE; | |
1808 int first = TRUE; | |
1809 | |
1810 while (cont) | |
1811 { | |
1812 switch (peekchr()) | |
1813 { | |
1814 case NUL: | |
1815 case Magic('|'): | |
1816 case Magic('&'): | |
1817 case Magic(')'): | |
1818 cont = FALSE; | |
1819 break; | |
1820 | |
1821 case Magic('Z'): | |
1822 #ifdef FEAT_MBYTE | |
1823 regflags |= RF_ICOMBINE; | |
1824 #endif | |
1825 skipchr_keepstart(); | |
1826 break; | |
1827 case Magic('c'): | |
1828 regflags |= RF_ICASE; | |
1829 skipchr_keepstart(); | |
1830 break; | |
1831 case Magic('C'): | |
1832 regflags |= RF_NOICASE; | |
1833 skipchr_keepstart(); | |
1834 break; | |
1835 case Magic('v'): | |
1836 reg_magic = MAGIC_ALL; | |
1837 skipchr_keepstart(); | |
1838 curchr = -1; | |
1839 break; | |
1840 case Magic('m'): | |
1841 reg_magic = MAGIC_ON; | |
1842 skipchr_keepstart(); | |
1843 curchr = -1; | |
1844 break; | |
1845 case Magic('M'): | |
1846 reg_magic = MAGIC_OFF; | |
1847 skipchr_keepstart(); | |
1848 curchr = -1; | |
1849 break; | |
1850 case Magic('V'): | |
1851 reg_magic = MAGIC_NONE; | |
1852 skipchr_keepstart(); | |
1853 curchr = -1; | |
1854 break; | |
1855 | |
1856 default: | |
1857 if (nfa_regpiece() == FAIL) | |
1858 return FAIL; | |
1859 if (first == FALSE) | |
1860 EMIT(NFA_CONCAT); | |
1861 else | |
1862 first = FALSE; | |
1863 break; | |
1864 } | |
1865 } | |
1866 | |
1867 return OK; | |
1868 } | |
1869 | |
1870 /* | |
1871 * Parse a branch, one or more concats, separated by "\&". It matches the | |
1872 * last concat, but only if all the preceding concats also match at the same | |
1873 * position. Examples: | |
1874 * "foobeep\&..." matches "foo" in "foobeep". | |
1875 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
1876 * | |
1877 * branch ::= concat | |
1878 * or concat \& concat | |
1879 * or concat \& concat \& concat | |
1880 * etc. | |
1881 */ | |
1882 static int | |
1883 nfa_regbranch() | |
1884 { | |
1885 int ch; | |
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1886 int old_post_pos; |
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1887 |
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1888 old_post_pos = (int)(post_ptr - post_start); |
4444 | 1889 |
1890 /* First branch, possibly the only one */ | |
1891 if (nfa_regconcat() == FAIL) | |
1892 return FAIL; | |
1893 | |
1894 ch = peekchr(); | |
1895 /* Try next concats */ | |
1896 while (ch == Magic('&')) | |
1897 { | |
1898 skipchr(); | |
1899 EMIT(NFA_NOPEN); | |
1900 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
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1901 old_post_pos = (int)(post_ptr - post_start); |
4444 | 1902 if (nfa_regconcat() == FAIL) |
1903 return FAIL; | |
1904 /* if concat is empty, skip a input char. But do emit a node */ | |
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1905 if (old_post_pos == (int)(post_ptr - post_start)) |
4444 | 1906 EMIT(NFA_SKIP_CHAR); |
1907 EMIT(NFA_CONCAT); | |
1908 ch = peekchr(); | |
1909 } | |
1910 | |
1911 /* Even if a branch is empty, emit one node for it */ | |
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1912 if (old_post_pos == (int)(post_ptr - post_start)) |
4444 | 1913 EMIT(NFA_SKIP_CHAR); |
1914 | |
1915 return OK; | |
1916 } | |
1917 | |
1918 /* | |
1919 * Parse a pattern, one or more branches, separated by "\|". It matches | |
1920 * anything that matches one of the branches. Example: "foo\|beep" matches | |
1921 * "foo" and matches "beep". If more than one branch matches, the first one | |
1922 * is used. | |
1923 * | |
1924 * pattern ::= branch | |
1925 * or branch \| branch | |
1926 * or branch \| branch \| branch | |
1927 * etc. | |
1928 */ | |
1929 static int | |
1930 nfa_reg(paren) | |
1931 int paren; /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ | |
1932 { | |
1933 int parno = 0; | |
1934 | |
1935 if (paren == REG_PAREN) | |
1936 { | |
1937 if (regnpar >= NSUBEXP) /* Too many `(' */ | |
1938 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); | |
1939 parno = regnpar++; | |
1940 } | |
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1941 #ifdef FEAT_SYN_HL |
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1942 else if (paren == REG_ZPAREN) |
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1943 { |
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1944 /* Make a ZOPEN node. */ |
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1945 if (regnzpar >= NSUBEXP) |
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1946 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
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1947 parno = regnzpar++; |
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1948 } |
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1949 #endif |
4444 | 1950 |
1951 if (nfa_regbranch() == FAIL) | |
1952 return FAIL; /* cascaded error */ | |
1953 | |
1954 while (peekchr() == Magic('|')) | |
1955 { | |
1956 skipchr(); | |
1957 if (nfa_regbranch() == FAIL) | |
1958 return FAIL; /* cascaded error */ | |
1959 EMIT(NFA_OR); | |
1960 } | |
1961 | |
1962 /* Check for proper termination. */ | |
1963 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
1964 { | |
1965 if (paren == REG_NPAREN) | |
1966 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
1967 else | |
1968 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
1969 } | |
1970 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
1971 { | |
1972 if (peekchr() == Magic(')')) | |
1973 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
1974 else | |
1975 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
1976 } | |
1977 /* | |
1978 * Here we set the flag allowing back references to this set of | |
1979 * parentheses. | |
1980 */ | |
1981 if (paren == REG_PAREN) | |
1982 { | |
1983 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
1984 EMIT(NFA_MOPEN + parno); | |
1985 } | |
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1986 #ifdef FEAT_SYN_HL |
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1987 else if (paren == REG_ZPAREN) |
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1988 EMIT(NFA_ZOPEN + parno); |
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1989 #endif |
4444 | 1990 |
1991 return OK; | |
1992 } | |
1993 | |
1994 #ifdef DEBUG | |
1995 static char_u code[50]; | |
1996 | |
1997 static void | |
1998 nfa_set_code(c) | |
1999 int c; | |
2000 { | |
2001 int addnl = FALSE; | |
2002 | |
2003 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
2004 { | |
2005 addnl = TRUE; | |
2006 c -= ADD_NL; | |
2007 } | |
2008 | |
2009 STRCPY(code, ""); | |
2010 switch (c) | |
2011 { | |
2012 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
2013 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
2014 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
2015 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
2016 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
2017 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
2018 | |
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2019 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
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2020 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
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2021 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
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2022 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
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2023 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
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updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2024 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2025 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2026 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2027 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2028 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2029 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2030 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2031 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2032 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2033 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2034 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2035 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2036 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2037 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2038 #endif |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2039 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2040 |
4444 | 2041 case NFA_PREV_ATOM_NO_WIDTH: |
2042 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break; | |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2043 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2044 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break; |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2045 case NFA_PREV_ATOM_JUST_BEFORE: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2046 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2047 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2048 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE_NEG"); break; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2049 case NFA_PREV_ATOM_LIKE_PATTERN: |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2050 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2051 |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2052 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2053 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
4444 | 2054 case NFA_START_INVISIBLE: STRCPY(code, "NFA_START_INVISIBLE"); break; |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2055 case NFA_START_INVISIBLE_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2056 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break; |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2057 case NFA_START_INVISIBLE_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2058 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break; |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2059 case NFA_START_INVISIBLE_NEG_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2060 STRCPY(code, "NFA_START_INVISIBLE_NEG_FIRST"); break; |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2061 case NFA_START_INVISIBLE_BEFORE: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2062 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2063 case NFA_START_INVISIBLE_BEFORE_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2064 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_FIRST"); break; |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2065 case NFA_START_INVISIBLE_BEFORE_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2066 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_NEG"); break; |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2067 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2068 STRCPY(code, "NFA_START_INVISIBLE_BEFORE_NEG_FIRST"); break; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2069 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break; |
4444 | 2070 case NFA_END_INVISIBLE: STRCPY(code, "NFA_END_INVISIBLE"); break; |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2071 case NFA_END_INVISIBLE_NEG: STRCPY(code, "NFA_END_INVISIBLE_NEG"); break; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2072 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break; |
4444 | 2073 |
2074 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
2075 case NFA_END_COMPOSING: STRCPY(code, "NFA_END_COMPOSING"); break; | |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
2076 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break; |
4444 | 2077 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2078 case NFA_MOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2079 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2080 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2081 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2082 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2083 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2084 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2085 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2086 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2087 case NFA_MOPEN9: |
4444 | 2088 STRCPY(code, "NFA_MOPEN(x)"); |
2089 code[10] = c - NFA_MOPEN + '0'; | |
2090 break; | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2091 case NFA_MCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2092 case NFA_MCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2093 case NFA_MCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2094 case NFA_MCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2095 case NFA_MCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2096 case NFA_MCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2097 case NFA_MCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2098 case NFA_MCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2099 case NFA_MCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2100 case NFA_MCLOSE9: |
4444 | 2101 STRCPY(code, "NFA_MCLOSE(x)"); |
2102 code[11] = c - NFA_MCLOSE + '0'; | |
2103 break; | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2104 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2105 case NFA_ZOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2106 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2107 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2108 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2109 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2110 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2111 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2112 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2113 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2114 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2115 STRCPY(code, "NFA_ZOPEN(x)"); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2116 code[10] = c - NFA_ZOPEN + '0'; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2117 break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2118 case NFA_ZCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2119 case NFA_ZCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2120 case NFA_ZCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2121 case NFA_ZCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2122 case NFA_ZCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2123 case NFA_ZCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2124 case NFA_ZCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2125 case NFA_ZCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2126 case NFA_ZCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2127 case NFA_ZCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2128 STRCPY(code, "NFA_ZCLOSE(x)"); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2129 code[11] = c - NFA_ZCLOSE + '0'; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2130 break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2131 #endif |
4444 | 2132 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
2133 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
2134 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
2135 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
|
2136 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
2137 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
|
2138 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2139 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
|
2140 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
|
2141 case NFA_COL: STRCPY(code, "NFA_COL "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2142 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
|
2143 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
|
2144 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2145 case NFA_VCOL_GT: STRCPY(code, "NFA_VCOL_GT "); break; |
0798b096bab3
updated for version 7.3.1113
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diff
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|
2146 case NFA_VCOL_LT: STRCPY(code, "NFA_VCOL_LT "); break; |
0798b096bab3
updated for version 7.3.1113
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diff
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|
2147 case NFA_MARK: STRCPY(code, "NFA_MARK "); break; |
0798b096bab3
updated for version 7.3.1113
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diff
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|
2148 case NFA_MARK_GT: STRCPY(code, "NFA_MARK_GT "); break; |
0798b096bab3
updated for version 7.3.1113
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diff
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|
2149 case NFA_MARK_LT: STRCPY(code, "NFA_MARK_LT "); break; |
0798b096bab3
updated for version 7.3.1113
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diff
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|
2150 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break; |
0798b096bab3
updated for version 7.3.1113
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4730
diff
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|
2151 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break; |
0798b096bab3
updated for version 7.3.1113
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diff
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|
2152 |
4444 | 2153 case NFA_STAR: STRCPY(code, "NFA_STAR "); break; |
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
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4673
diff
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|
2154 case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break; |
811a4c9b51d8
updated for version 7.3.1085
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4673
diff
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|
2155 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
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4673
diff
changeset
|
2156 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
4444 | 2157 case NFA_SKIP_CHAR: STRCPY(code, "NFA_SKIP_CHAR"); break; |
2158 case NFA_OR: STRCPY(code, "NFA_OR"); break; | |
4781
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updated for version 7.3.1137
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diff
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|
2159 |
c02c7df9bdc9
updated for version 7.3.1137
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|
2160 case NFA_START_COLL: STRCPY(code, "NFA_START_COLL"); break; |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
2161 case NFA_END_COLL: STRCPY(code, "NFA_END_COLL"); break; |
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
2162 case NFA_START_NEG_COLL: STRCPY(code, "NFA_START_NEG_COLL"); break; |
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
2163 case NFA_END_NEG_COLL: STRCPY(code, "NFA_END_NEG_COLL"); break; |
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
2164 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break; |
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
2165 case NFA_RANGE_MIN: STRCPY(code, "NFA_RANGE_MIN"); break; |
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
2166 case NFA_RANGE_MAX: STRCPY(code, "NFA_RANGE_MAX"); break; |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
2167 |
4444 | 2168 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; |
2169 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
2170 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
2171 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
2172 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
2173 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
2174 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
2175 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
2176 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
2177 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
2178 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
2179 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
2180 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
2181 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
2182 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
2183 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break; | |
2184 | |
2185 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
2186 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
2187 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
2188 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
2189 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
2190 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
2191 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
2192 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
2193 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
2194 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
2195 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
2196 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
2197 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
2198 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
2199 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
2200 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
2201 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
2202 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
2203 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
2204 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
2205 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
2206 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
2207 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
2208 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
2209 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
2210 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
2211 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
2212 | |
2213 default: | |
2214 STRCPY(code, "CHAR(x)"); | |
2215 code[5] = c; | |
2216 } | |
2217 | |
2218 if (addnl == TRUE) | |
2219 STRCAT(code, " + NEWLINE "); | |
2220 | |
2221 } | |
2222 | |
2223 #ifdef ENABLE_LOG | |
2224 static FILE *log_fd; | |
2225 | |
2226 /* | |
2227 * Print the postfix notation of the current regexp. | |
2228 */ | |
2229 static void | |
2230 nfa_postfix_dump(expr, retval) | |
2231 char_u *expr; | |
2232 int retval; | |
2233 { | |
2234 int *p; | |
2235 FILE *f; | |
2236 | |
4531
1be43c095aff
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diff
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|
2237 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
4444 | 2238 if (f != NULL) |
2239 { | |
2240 fprintf(f, "\n-------------------------\n"); | |
2241 if (retval == FAIL) | |
2242 fprintf(f, ">>> NFA engine failed ... \n"); | |
2243 else if (retval == OK) | |
2244 fprintf(f, ">>> NFA engine succeeded !\n"); | |
2245 fprintf(f, "Regexp: \"%s\"\nPostfix notation (char): \"", expr); | |
4464 | 2246 for (p = post_start; *p && p < post_end; p++) |
4444 | 2247 { |
2248 nfa_set_code(*p); | |
2249 fprintf(f, "%s, ", code); | |
2250 } | |
2251 fprintf(f, "\"\nPostfix notation (int): "); | |
4464 | 2252 for (p = post_start; *p && p < post_end; p++) |
4444 | 2253 fprintf(f, "%d ", *p); |
2254 fprintf(f, "\n\n"); | |
2255 fclose(f); | |
2256 } | |
2257 } | |
2258 | |
2259 /* | |
2260 * Print the NFA starting with a root node "state". | |
2261 */ | |
2262 static void | |
4533
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2263 nfa_print_state(debugf, state) |
4444 | 2264 FILE *debugf; |
2265 nfa_state_T *state; | |
2266 { | |
4533
6a2005efa02b
updated for version 7.3.1014
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|
2267 garray_T indent; |
6a2005efa02b
updated for version 7.3.1014
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|
2268 |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2269 ga_init2(&indent, 1, 64); |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2270 ga_append(&indent, '\0'); |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2271 nfa_print_state2(debugf, state, &indent); |
6a2005efa02b
updated for version 7.3.1014
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|
2272 ga_clear(&indent); |
6a2005efa02b
updated for version 7.3.1014
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|
2273 } |
6a2005efa02b
updated for version 7.3.1014
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|
2274 |
6a2005efa02b
updated for version 7.3.1014
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|
2275 static void |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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diff
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|
2276 nfa_print_state2(debugf, state, indent) |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2277 FILE *debugf; |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2278 nfa_state_T *state; |
6a2005efa02b
updated for version 7.3.1014
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|
2279 garray_T *indent; |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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diff
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|
2280 { |
6a2005efa02b
updated for version 7.3.1014
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diff
changeset
|
2281 char_u *p; |
4444 | 2282 |
2283 if (state == NULL) | |
2284 return; | |
2285 | |
2286 fprintf(debugf, "(%2d)", abs(state->id)); | |
4533
6a2005efa02b
updated for version 7.3.1014
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|
2287 |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2288 /* Output indent */ |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2289 p = (char_u *)indent->ga_data; |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2290 if (indent->ga_len >= 3) |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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diff
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|
2291 { |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2292 int last = indent->ga_len - 3; |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2293 char_u save[2]; |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2294 |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2295 STRNCPY(save, &p[last], 2); |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2296 STRNCPY(&p[last], "+-", 2); |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2297 fprintf(debugf, " %s", p); |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2298 STRNCPY(&p[last], save, 2); |
6a2005efa02b
updated for version 7.3.1014
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|
2299 } |
6a2005efa02b
updated for version 7.3.1014
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|
2300 else |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2301 fprintf(debugf, " %s", p); |
4444 | 2302 |
2303 nfa_set_code(state->c); | |
4785
3b5a023a4543
updated for version 7.3.1139
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4783
diff
changeset
|
2304 fprintf(debugf, "%s (%d) (id=%d) val=%d\n", |
4781
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diff
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|
2305 code, |
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|
2306 state->c, |
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|
2307 abs(state->id), |
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diff
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|
2308 state->val); |
4444 | 2309 if (state->id < 0) |
2310 return; | |
2311 | |
2312 state->id = abs(state->id) * -1; | |
4533
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|
2313 |
6a2005efa02b
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|
2314 /* grow indent for state->out */ |
6a2005efa02b
updated for version 7.3.1014
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|
2315 indent->ga_len -= 1; |
6a2005efa02b
updated for version 7.3.1014
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|
2316 if (state->out1) |
4537
5cc98a5898cf
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diff
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|
2317 ga_concat(indent, (char_u *)"| "); |
4533
6a2005efa02b
updated for version 7.3.1014
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|
2318 else |
4537
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updated for version 7.3.1016
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diff
changeset
|
2319 ga_concat(indent, (char_u *)" "); |
4533
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updated for version 7.3.1014
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|
2320 ga_append(indent, '\0'); |
6a2005efa02b
updated for version 7.3.1014
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|
2321 |
6a2005efa02b
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|
2322 nfa_print_state2(debugf, state->out, indent); |
6a2005efa02b
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|
2323 |
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|
2324 /* replace last part of indent for state->out1 */ |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2325 indent->ga_len -= 3; |
4537
5cc98a5898cf
updated for version 7.3.1016
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4535
diff
changeset
|
2326 ga_concat(indent, (char_u *)" "); |
4533
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2327 ga_append(indent, '\0'); |
6a2005efa02b
updated for version 7.3.1014
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|
2328 |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2329 nfa_print_state2(debugf, state->out1, indent); |
6a2005efa02b
updated for version 7.3.1014
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|
2330 |
6a2005efa02b
updated for version 7.3.1014
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|
2331 /* shrink indent */ |
6a2005efa02b
updated for version 7.3.1014
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|
2332 indent->ga_len -= 3; |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2333 ga_append(indent, '\0'); |
4444 | 2334 } |
2335 | |
2336 /* | |
2337 * Print the NFA state machine. | |
2338 */ | |
2339 static void | |
2340 nfa_dump(prog) | |
2341 nfa_regprog_T *prog; | |
2342 { | |
4531
1be43c095aff
updated for version 7.3.1013
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4529
diff
changeset
|
2343 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
4444 | 2344 |
2345 if (debugf != NULL) | |
2346 { | |
4533
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2347 nfa_print_state(debugf, prog->start); |
4772
03375ccf28a2
updated for version 7.3.1133
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4770
diff
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|
2348 |
4805
66803af09906
updated for version 7.3.1149
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4801
diff
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|
2349 if (prog->reganch) |
66803af09906
updated for version 7.3.1149
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4801
diff
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|
2350 fprintf(debugf, "reganch: %d\n", prog->reganch); |
66803af09906
updated for version 7.3.1149
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|
2351 if (prog->regstart != NUL) |
66803af09906
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|
2352 fprintf(debugf, "regstart: %c (decimal: %d)\n", |
66803af09906
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|
2353 prog->regstart, prog->regstart); |
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|
2354 if (prog->match_text != NULL) |
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|
2355 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text); |
4772
03375ccf28a2
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|
2356 |
4444 | 2357 fclose(debugf); |
2358 } | |
2359 } | |
2360 #endif /* ENABLE_LOG */ | |
2361 #endif /* DEBUG */ | |
2362 | |
2363 /* | |
2364 * Parse r.e. @expr and convert it into postfix form. | |
2365 * Return the postfix string on success, NULL otherwise. | |
2366 */ | |
2367 static int * | |
2368 re2post() | |
2369 { | |
2370 if (nfa_reg(REG_NOPAREN) == FAIL) | |
2371 return NULL; | |
2372 EMIT(NFA_MOPEN); | |
2373 return post_start; | |
2374 } | |
2375 | |
2376 /* NB. Some of the code below is inspired by Russ's. */ | |
2377 | |
2378 /* | |
2379 * Represents an NFA state plus zero or one or two arrows exiting. | |
2380 * if c == MATCH, no arrows out; matching state. | |
2381 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
2382 * If c < 256, labeled arrow with character c to out. | |
2383 */ | |
2384 | |
2385 static nfa_state_T *state_ptr; /* points to nfa_prog->state */ | |
2386 | |
2387 /* | |
2388 * Allocate and initialize nfa_state_T. | |
2389 */ | |
2390 static nfa_state_T * | |
4696
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|
2391 alloc_state(c, out, out1) |
4444 | 2392 int c; |
2393 nfa_state_T *out; | |
2394 nfa_state_T *out1; | |
2395 { | |
2396 nfa_state_T *s; | |
2397 | |
2398 if (istate >= nstate) | |
2399 return NULL; | |
2400 | |
2401 s = &state_ptr[istate++]; | |
2402 | |
2403 s->c = c; | |
2404 s->out = out; | |
2405 s->out1 = out1; | |
4781
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|
2406 s->val = 0; |
4444 | 2407 |
2408 s->id = istate; | |
4718
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|
2409 s->lastlist[0] = 0; |
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|
2410 s->lastlist[1] = 0; |
4444 | 2411 |
2412 return s; | |
2413 } | |
2414 | |
2415 /* | |
2416 * A partially built NFA without the matching state filled in. | |
2417 * Frag_T.start points at the start state. | |
2418 * Frag_T.out is a list of places that need to be set to the | |
2419 * next state for this fragment. | |
2420 */ | |
4555
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|
2421 |
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|
2422 /* Since the out pointers in the list are always |
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|
2423 * uninitialized, we use the pointers themselves |
b2946c06d1b6
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|
2424 * as storage for the Ptrlists. */ |
4444 | 2425 typedef union Ptrlist Ptrlist; |
4555
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|
2426 union Ptrlist |
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|
2427 { |
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|
2428 Ptrlist *next; |
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|
2429 nfa_state_T *s; |
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|
2430 }; |
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|
2431 |
4444 | 2432 struct Frag |
2433 { | |
4555
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|
2434 nfa_state_T *start; |
4444 | 2435 Ptrlist *out; |
2436 }; | |
2437 typedef struct Frag Frag_T; | |
2438 | |
2439 static Frag_T frag __ARGS((nfa_state_T *start, Ptrlist *out)); | |
2440 static Ptrlist *list1 __ARGS((nfa_state_T **outp)); | |
2441 static void patch __ARGS((Ptrlist *l, nfa_state_T *s)); | |
2442 static Ptrlist *append __ARGS((Ptrlist *l1, Ptrlist *l2)); | |
2443 static void st_push __ARGS((Frag_T s, Frag_T **p, Frag_T *stack_end)); | |
2444 static Frag_T st_pop __ARGS((Frag_T **p, Frag_T *stack)); | |
2445 | |
2446 /* | |
4456 | 2447 * Initialize a Frag_T struct and return it. |
4444 | 2448 */ |
2449 static Frag_T | |
2450 frag(start, out) | |
2451 nfa_state_T *start; | |
2452 Ptrlist *out; | |
2453 { | |
4456 | 2454 Frag_T n; |
2455 | |
2456 n.start = start; | |
2457 n.out = out; | |
4444 | 2458 return n; |
2459 } | |
2460 | |
2461 /* | |
2462 * Create singleton list containing just outp. | |
2463 */ | |
2464 static Ptrlist * | |
2465 list1(outp) | |
2466 nfa_state_T **outp; | |
2467 { | |
2468 Ptrlist *l; | |
2469 | |
2470 l = (Ptrlist *)outp; | |
2471 l->next = NULL; | |
2472 return l; | |
2473 } | |
2474 | |
2475 /* | |
2476 * Patch the list of states at out to point to start. | |
2477 */ | |
2478 static void | |
2479 patch(l, s) | |
2480 Ptrlist *l; | |
2481 nfa_state_T *s; | |
2482 { | |
2483 Ptrlist *next; | |
2484 | |
2485 for (; l; l = next) | |
2486 { | |
2487 next = l->next; | |
2488 l->s = s; | |
2489 } | |
2490 } | |
2491 | |
2492 | |
2493 /* | |
2494 * Join the two lists l1 and l2, returning the combination. | |
2495 */ | |
2496 static Ptrlist * | |
2497 append(l1, l2) | |
2498 Ptrlist *l1; | |
2499 Ptrlist *l2; | |
2500 { | |
2501 Ptrlist *oldl1; | |
2502 | |
2503 oldl1 = l1; | |
2504 while (l1->next) | |
2505 l1 = l1->next; | |
2506 l1->next = l2; | |
2507 return oldl1; | |
2508 } | |
2509 | |
2510 /* | |
2511 * Stack used for transforming postfix form into NFA. | |
2512 */ | |
2513 static Frag_T empty; | |
2514 | |
2515 static void | |
2516 st_error(postfix, end, p) | |
4531
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|
2517 int *postfix UNUSED; |
1be43c095aff
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|
2518 int *end UNUSED; |
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updated for version 7.3.1013
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diff
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|
2519 int *p UNUSED; |
4444 | 2520 { |
4531
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updated for version 7.3.1013
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4529
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|
2521 #ifdef NFA_REGEXP_ERROR_LOG |
4444 | 2522 FILE *df; |
2523 int *p2; | |
2524 | |
4531
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updated for version 7.3.1013
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4529
diff
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|
2525 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
4444 | 2526 if (df) |
2527 { | |
2528 fprintf(df, "Error popping the stack!\n"); | |
2529 #ifdef DEBUG | |
2530 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr); | |
2531 #endif | |
2532 fprintf(df, "Postfix form is: "); | |
2533 #ifdef DEBUG | |
2534 for (p2 = postfix; p2 < end; p2++) | |
2535 { | |
2536 nfa_set_code(*p2); | |
2537 fprintf(df, "%s, ", code); | |
2538 } | |
2539 nfa_set_code(*p); | |
2540 fprintf(df, "\nCurrent position is: "); | |
2541 for (p2 = postfix; p2 <= p; p2 ++) | |
2542 { | |
2543 nfa_set_code(*p2); | |
2544 fprintf(df, "%s, ", code); | |
2545 } | |
2546 #else | |
2547 for (p2 = postfix; p2 < end; p2++) | |
2548 { | |
2549 fprintf(df, "%d, ", *p2); | |
2550 } | |
2551 fprintf(df, "\nCurrent position is: "); | |
2552 for (p2 = postfix; p2 <= p; p2 ++) | |
2553 { | |
2554 fprintf(df, "%d, ", *p2); | |
2555 } | |
2556 #endif | |
2557 fprintf(df, "\n--------------------------\n"); | |
2558 fclose(df); | |
2559 } | |
4531
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|
2560 #endif |
4444 | 2561 EMSG(_("E874: (NFA) Could not pop the stack !")); |
2562 } | |
2563 | |
2564 /* | |
2565 * Push an item onto the stack. | |
2566 */ | |
2567 static void | |
2568 st_push(s, p, stack_end) | |
2569 Frag_T s; | |
2570 Frag_T **p; | |
2571 Frag_T *stack_end; | |
2572 { | |
2573 Frag_T *stackp = *p; | |
2574 | |
2575 if (stackp >= stack_end) | |
2576 return; | |
2577 *stackp = s; | |
2578 *p = *p + 1; | |
2579 } | |
2580 | |
2581 /* | |
2582 * Pop an item from the stack. | |
2583 */ | |
2584 static Frag_T | |
2585 st_pop(p, stack) | |
2586 Frag_T **p; | |
2587 Frag_T *stack; | |
2588 { | |
2589 Frag_T *stackp; | |
2590 | |
2591 *p = *p - 1; | |
2592 stackp = *p; | |
2593 if (stackp < stack) | |
2594 return empty; | |
2595 return **p; | |
2596 } | |
2597 | |
2598 /* | |
4807
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|
2599 * Estimate the maximum byte length of anything matching "state". |
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|
2600 * When unknown or unlimited return -1. |
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|
2601 */ |
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|
2602 static int |
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|
2603 nfa_max_width(startstate, depth) |
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|
2604 nfa_state_T *startstate; |
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|
2605 int depth; |
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|
2606 { |
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|
2607 int l, r; |
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|
2608 nfa_state_T *state = startstate; |
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|
2609 int len = 0; |
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|
2610 |
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|
2611 /* detect looping in a NFA_SPLIT */ |
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|
2612 if (depth > 4) |
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|
2613 return -1; |
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|
2614 |
4958
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|
2615 while (state != NULL) |
4807
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|
2616 { |
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|
2617 switch (state->c) |
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|
2618 { |
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|
2619 case NFA_END_INVISIBLE: |
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|
2620 case NFA_END_INVISIBLE_NEG: |
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|
2621 /* the end, return what we have */ |
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|
2622 return len; |
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|
2623 |
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2624 case NFA_SPLIT: |
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|
2625 /* two alternatives, use the maximum */ |
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|
2626 l = nfa_max_width(state->out, depth + 1); |
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|
2627 r = nfa_max_width(state->out1, depth + 1); |
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2628 if (l < 0 || r < 0) |
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2629 return -1; |
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|
2630 return len + (l > r ? l : r); |
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2631 |
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2632 case NFA_ANY: |
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2633 case NFA_START_COLL: |
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2634 case NFA_START_NEG_COLL: |
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2635 /* matches some character, including composing chars */ |
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|
2636 #ifdef FEAT_MBYTE |
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2637 if (enc_utf8) |
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|
2638 len += MB_MAXBYTES; |
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|
2639 else if (has_mbyte) |
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|
2640 len += 2; |
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2641 else |
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2642 #endif |
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2643 ++len; |
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2644 if (state->c != NFA_ANY) |
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2645 { |
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2646 /* skip over the characters */ |
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2647 state = state->out1->out; |
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2648 continue; |
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2649 } |
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2650 break; |
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2651 |
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2652 case NFA_DIGIT: |
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2653 case NFA_WHITE: |
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2654 case NFA_HEX: |
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changeset
|
2655 case NFA_OCTAL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2656 /* ascii */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2657 ++len; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2658 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2659 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2660 case NFA_IDENT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2661 case NFA_SIDENT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2662 case NFA_KWORD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2663 case NFA_SKWORD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2664 case NFA_FNAME: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2665 case NFA_SFNAME: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2666 case NFA_PRINT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2667 case NFA_SPRINT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2668 case NFA_NWHITE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2669 case NFA_NDIGIT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2670 case NFA_NHEX: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2671 case NFA_NOCTAL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2672 case NFA_WORD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2673 case NFA_NWORD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2674 case NFA_HEAD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2675 case NFA_NHEAD: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2676 case NFA_ALPHA: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2677 case NFA_NALPHA: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2678 case NFA_LOWER: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2679 case NFA_NLOWER: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2680 case NFA_UPPER: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2681 case NFA_NUPPER: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2682 /* possibly non-ascii */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2683 #ifdef FEAT_MBYTE |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2684 if (has_mbyte) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2685 len += 3; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2686 else |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2687 #endif |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2688 ++len; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2689 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2690 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2691 case NFA_START_INVISIBLE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2692 case NFA_START_INVISIBLE_NEG: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2693 case NFA_START_INVISIBLE_BEFORE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2694 case NFA_START_INVISIBLE_BEFORE_NEG: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2695 /* zero-width, out1 points to the END state */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2696 state = state->out1->out; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2697 continue; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2698 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2699 case NFA_BACKREF1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2700 case NFA_BACKREF2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2701 case NFA_BACKREF3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2702 case NFA_BACKREF4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2703 case NFA_BACKREF5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2704 case NFA_BACKREF6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2705 case NFA_BACKREF7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2706 case NFA_BACKREF8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2707 case NFA_BACKREF9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2708 #ifdef FEAT_SYN_HL |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2709 case NFA_ZREF1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2710 case NFA_ZREF2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2711 case NFA_ZREF3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2712 case NFA_ZREF4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2713 case NFA_ZREF5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2714 case NFA_ZREF6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2715 case NFA_ZREF7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2716 case NFA_ZREF8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2717 case NFA_ZREF9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2718 #endif |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2719 case NFA_NEWL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2720 case NFA_SKIP: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2721 /* unknown width */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2722 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2723 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2724 case NFA_BOL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2725 case NFA_EOL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2726 case NFA_BOF: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2727 case NFA_EOF: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2728 case NFA_BOW: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2729 case NFA_EOW: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2730 case NFA_MOPEN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2731 case NFA_MOPEN1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2732 case NFA_MOPEN2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2733 case NFA_MOPEN3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2734 case NFA_MOPEN4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2735 case NFA_MOPEN5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2736 case NFA_MOPEN6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2737 case NFA_MOPEN7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2738 case NFA_MOPEN8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2739 case NFA_MOPEN9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2740 #ifdef FEAT_SYN_HL |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2741 case NFA_ZOPEN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2742 case NFA_ZOPEN1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2743 case NFA_ZOPEN2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2744 case NFA_ZOPEN3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2745 case NFA_ZOPEN4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2746 case NFA_ZOPEN5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2747 case NFA_ZOPEN6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2748 case NFA_ZOPEN7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2749 case NFA_ZOPEN8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2750 case NFA_ZOPEN9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2751 case NFA_ZCLOSE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2752 case NFA_ZCLOSE1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2753 case NFA_ZCLOSE2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2754 case NFA_ZCLOSE3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2755 case NFA_ZCLOSE4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2756 case NFA_ZCLOSE5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2757 case NFA_ZCLOSE6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2758 case NFA_ZCLOSE7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2759 case NFA_ZCLOSE8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2760 case NFA_ZCLOSE9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2761 #endif |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2762 case NFA_MCLOSE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2763 case NFA_MCLOSE1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2764 case NFA_MCLOSE2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2765 case NFA_MCLOSE3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2766 case NFA_MCLOSE4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2767 case NFA_MCLOSE5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2768 case NFA_MCLOSE6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2769 case NFA_MCLOSE7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2770 case NFA_MCLOSE8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2771 case NFA_MCLOSE9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2772 case NFA_NOPEN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2773 case NFA_NCLOSE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2774 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2775 case NFA_LNUM_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2776 case NFA_LNUM_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2777 case NFA_COL_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2778 case NFA_COL_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2779 case NFA_VCOL_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2780 case NFA_VCOL_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2781 case NFA_MARK_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2782 case NFA_MARK_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2783 case NFA_VISUAL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2784 case NFA_LNUM: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2785 case NFA_CURSOR: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2786 case NFA_COL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2787 case NFA_VCOL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2788 case NFA_MARK: |
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 case NFA_ZSTART: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2791 case NFA_ZEND: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2792 case NFA_OPT_CHARS: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2793 case NFA_SKIP_CHAR: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2794 case NFA_START_PATTERN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2795 case NFA_END_PATTERN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2796 case NFA_COMPOSING: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2797 case NFA_END_COMPOSING: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2798 /* zero-width */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2799 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2800 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2801 default: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2802 if (state->c < 0) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2803 /* don't know what this is */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2804 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2805 /* normal character */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2806 len += MB_CHAR2LEN(state->c); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2807 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2808 } |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2809 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2810 /* normal way to continue */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2811 state = state->out; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2812 } |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2813 |
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4944
diff
changeset
|
2814 /* unrecognized, "cannot happen" */ |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2815 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2816 } |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
2817 |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2818 /* |
4444 | 2819 * Convert a postfix form into its equivalent NFA. |
2820 * Return the NFA start state on success, NULL otherwise. | |
2821 */ | |
2822 static nfa_state_T * | |
2823 post2nfa(postfix, end, nfa_calc_size) | |
2824 int *postfix; | |
2825 int *end; | |
2826 int nfa_calc_size; | |
2827 { | |
2828 int *p; | |
2829 int mopen; | |
2830 int mclose; | |
2831 Frag_T *stack = NULL; | |
2832 Frag_T *stackp = NULL; | |
2833 Frag_T *stack_end = NULL; | |
2834 Frag_T e1; | |
2835 Frag_T e2; | |
2836 Frag_T e; | |
2837 nfa_state_T *s; | |
2838 nfa_state_T *s1; | |
2839 nfa_state_T *matchstate; | |
4484 | 2840 nfa_state_T *ret = NULL; |
4444 | 2841 |
2842 if (postfix == NULL) | |
2843 return NULL; | |
2844 | |
4456 | 2845 #define PUSH(s) st_push((s), &stackp, stack_end) |
4444 | 2846 #define POP() st_pop(&stackp, stack); \ |
2847 if (stackp < stack) \ | |
2848 { \ | |
2849 st_error(postfix, end, p); \ | |
2850 return NULL; \ | |
2851 } | |
2852 | |
2853 if (nfa_calc_size == FALSE) | |
2854 { | |
2855 /* 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
|
2856 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE); |
4444 | 2857 stackp = stack; |
4462 | 2858 stack_end = stack + (nstate + 1); |
4444 | 2859 } |
2860 | |
2861 for (p = postfix; p < end; ++p) | |
2862 { | |
2863 switch (*p) | |
2864 { | |
2865 case NFA_CONCAT: | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2866 /* Concatenation. |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2867 * 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
|
2868 * (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
|
2869 * to postfix form in re2post(). */ |
4444 | 2870 if (nfa_calc_size == TRUE) |
2871 { | |
4458 | 2872 /* nstate += 0; */ |
4444 | 2873 break; |
2874 } | |
2875 e2 = POP(); | |
2876 e1 = POP(); | |
2877 patch(e1.out, e2.start); | |
2878 PUSH(frag(e1.start, e2.out)); | |
2879 break; | |
2880 | |
2881 case NFA_OR: | |
2882 /* Alternation */ | |
2883 if (nfa_calc_size == TRUE) | |
2884 { | |
4458 | 2885 nstate++; |
4444 | 2886 break; |
2887 } | |
2888 e2 = POP(); | |
2889 e1 = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2890 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
4444 | 2891 if (s == NULL) |
4484 | 2892 goto theend; |
4444 | 2893 PUSH(frag(s, append(e1.out, e2.out))); |
2894 break; | |
2895 | |
2896 case NFA_STAR: | |
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2897 /* Zero or more, prefer more */ |
4444 | 2898 if (nfa_calc_size == TRUE) |
2899 { | |
4458 | 2900 nstate++; |
4444 | 2901 break; |
2902 } | |
2903 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2904 s = alloc_state(NFA_SPLIT, e.start, NULL); |
4444 | 2905 if (s == NULL) |
4484 | 2906 goto theend; |
4444 | 2907 patch(e.out, s); |
2908 PUSH(frag(s, list1(&s->out1))); | |
2909 break; | |
2910 | |
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2911 case NFA_STAR_NONGREEDY: |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2912 /* Zero or more, prefer zero */ |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2913 if (nfa_calc_size == TRUE) |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2914 { |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2915 nstate++; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2916 break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2917 } |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2918 e = POP(); |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2919 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
|
2920 if (s == NULL) |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2921 goto theend; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2922 patch(e.out, s); |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2923 PUSH(frag(s, list1(&s->out))); |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2924 break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2925 |
4444 | 2926 case NFA_QUEST: |
2927 /* one or zero atoms=> greedy match */ | |
2928 if (nfa_calc_size == TRUE) | |
2929 { | |
4458 | 2930 nstate++; |
4444 | 2931 break; |
2932 } | |
2933 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2934 s = alloc_state(NFA_SPLIT, e.start, NULL); |
4444 | 2935 if (s == NULL) |
4484 | 2936 goto theend; |
4444 | 2937 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
2938 break; | |
2939 | |
2940 case NFA_QUEST_NONGREEDY: | |
2941 /* zero or one atoms => non-greedy match */ | |
2942 if (nfa_calc_size == TRUE) | |
2943 { | |
4458 | 2944 nstate++; |
4444 | 2945 break; |
2946 } | |
2947 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2948 s = alloc_state(NFA_SPLIT, NULL, e.start); |
4444 | 2949 if (s == NULL) |
4484 | 2950 goto theend; |
4444 | 2951 PUSH(frag(s, append(e.out, list1(&s->out)))); |
2952 break; | |
2953 | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2954 case NFA_END_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2955 case NFA_END_NEG_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2956 /* 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
|
2957 * 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
|
2958 * add the output to the start. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2959 if (nfa_calc_size == TRUE) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2960 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2961 nstate++; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2962 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2963 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2964 e = POP(); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2965 s = alloc_state(NFA_END_COLL, NULL, NULL); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2966 if (s == NULL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2967 goto theend; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2968 patch(e.out, s); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2969 e.start->out1 = s; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2970 PUSH(frag(e.start, list1(&s->out))); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2971 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2972 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2973 case NFA_RANGE: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2974 /* 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
|
2975 * 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
|
2976 if (nfa_calc_size == TRUE) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2977 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2978 /* nstate += 0; */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2979 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2980 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2981 e2 = POP(); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2982 e1 = POP(); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2983 e2.start->val = e2.start->c; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2984 e2.start->c = NFA_RANGE_MAX; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2985 e1.start->val = e1.start->c; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2986 e1.start->c = NFA_RANGE_MIN; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2987 patch(e1.out, e2.start); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2988 PUSH(frag(e1.start, e2.out)); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2989 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2990 |
4444 | 2991 case NFA_SKIP_CHAR: |
2992 /* Symbol of 0-length, Used in a repetition | |
2993 * with max/min count of 0 */ | |
2994 if (nfa_calc_size == TRUE) | |
2995 { | |
4458 | 2996 nstate++; |
4444 | 2997 break; |
2998 } | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
2999 s = alloc_state(NFA_SKIP_CHAR, NULL, NULL); |
4444 | 3000 if (s == NULL) |
4484 | 3001 goto theend; |
4444 | 3002 PUSH(frag(s, list1(&s->out))); |
3003 break; | |
3004 | |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3005 case NFA_OPT_CHARS: |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3006 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3007 int n; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3008 |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3009 /* \%[abc] */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3010 n = *++p; /* get number of characters */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3011 if (nfa_calc_size == TRUE) |
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 nstate += n; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3014 break; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3015 } |
4758
b25a1b2e3175
updated for version 7.3.1126
Bram Moolenaar <bram@vim.org>
parents:
4756
diff
changeset
|
3016 s = NULL; /* avoid compiler warning */ |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3017 e1.out = NULL; /* stores list with out1's */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3018 s1 = NULL; /* previous NFA_SPLIT to connect to */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3019 while (n-- > 0) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3020 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3021 e = POP(); /* get character */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3022 s = alloc_state(NFA_SPLIT, e.start, NULL); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3023 if (s == NULL) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3024 goto theend; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3025 if (e1.out == NULL) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3026 e1 = e; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3027 patch(e.out, s1); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3028 append(e1.out, list1(&s->out1)); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3029 s1 = s; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3030 } |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3031 PUSH(frag(s, e1.out)); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3032 break; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3033 } |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3034 |
4444 | 3035 case NFA_PREV_ATOM_NO_WIDTH: |
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3036 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3037 case NFA_PREV_ATOM_JUST_BEFORE: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3038 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3039 case NFA_PREV_ATOM_LIKE_PATTERN: |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3040 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3041 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3042 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3043 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
|
3044 int start_state; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3045 int end_state; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3046 int n = 0; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3047 nfa_state_T *zend; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3048 nfa_state_T *skip; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3049 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3050 switch (*p) |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3051 { |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3052 case NFA_PREV_ATOM_NO_WIDTH: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3053 start_state = NFA_START_INVISIBLE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3054 end_state = NFA_END_INVISIBLE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3055 break; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3056 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3057 start_state = NFA_START_INVISIBLE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3058 end_state = NFA_END_INVISIBLE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3059 break; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3060 case NFA_PREV_ATOM_JUST_BEFORE: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3061 start_state = NFA_START_INVISIBLE_BEFORE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3062 end_state = NFA_END_INVISIBLE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3063 break; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3064 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3065 start_state = NFA_START_INVISIBLE_BEFORE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3066 end_state = NFA_END_INVISIBLE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3067 break; |
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
3068 default: /* NFA_PREV_ATOM_LIKE_PATTERN: */ |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3069 start_state = NFA_START_PATTERN; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3070 end_state = NFA_END_PATTERN; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3071 break; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3072 } |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3073 |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3074 if (before) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3075 n = *++p; /* get the count */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3076 |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3077 /* 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
|
3078 * 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
|
3079 * The \@<= operator: match for the preceding atom. |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3080 * The \@<! operator: no match for the preceding atom. |
4444 | 3081 * 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
|
3082 * END_INVISIBLE, similarly to MOPEN. */ |
4444 | 3083 |
3084 if (nfa_calc_size == TRUE) | |
3085 { | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3086 nstate += pattern ? 4 : 2; |
4444 | 3087 break; |
3088 } | |
3089 e = POP(); | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3090 s1 = alloc_state(end_state, NULL, NULL); |
4444 | 3091 if (s1 == NULL) |
4484 | 3092 goto theend; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3093 |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3094 s = alloc_state(start_state, e.start, s1); |
4444 | 3095 if (s == NULL) |
4484 | 3096 goto theend; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3097 if (pattern) |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3098 { |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3099 /* 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
|
3100 skip = alloc_state(NFA_SKIP, NULL, NULL); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3101 zend = alloc_state(NFA_ZEND, s1, NULL); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3102 s1->out= skip; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3103 patch(e.out, zend); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3104 PUSH(frag(s, list1(&skip->out))); |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3105 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3106 else |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3107 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3108 patch(e.out, s1); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3109 PUSH(frag(s, list1(&s1->out))); |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3110 if (before) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3111 { |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3112 if (n <= 0) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3113 /* 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
|
3114 * lot of pointless tries. */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3115 n = nfa_max_width(e.start, 0); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3116 s->val = n; /* store the count */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3117 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3118 } |
4444 | 3119 break; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3120 } |
4444 | 3121 |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3122 #ifdef FEAT_MBYTE |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3123 case NFA_COMPOSING: /* char with composing char */ |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3124 #if 0 |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3125 /* TODO */ |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3126 if (regflags & RF_ICOMBINE) |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3127 { |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
3128 /* use the base character only */ |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3129 } |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3130 #endif |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3131 /* FALLTHROUGH */ |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3132 #endif |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3133 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3134 case NFA_MOPEN: /* \( \) Submatch */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3135 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3136 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3137 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3138 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3139 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3140 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3141 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3142 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3143 case NFA_MOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3144 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3145 case NFA_ZOPEN: /* \z( \) Submatch */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3146 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3147 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3148 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3149 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3150 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3151 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3152 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3153 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3154 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3155 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3156 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */ |
4444 | 3157 if (nfa_calc_size == TRUE) |
3158 { | |
3159 nstate += 2; | |
3160 break; | |
3161 } | |
3162 | |
3163 mopen = *p; | |
3164 switch (*p) | |
3165 { | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3166 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3167 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3168 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3169 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3170 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3171 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3172 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3173 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3174 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3175 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3176 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3177 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3178 #endif |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3179 #ifdef FEAT_MBYTE |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3180 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
|
3181 #endif |
4444 | 3182 default: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3183 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */ |
4444 | 3184 mclose = *p + NSUBEXP; |
3185 break; | |
3186 } | |
3187 | |
3188 /* Allow "NFA_MOPEN" as a valid postfix representation for | |
3189 * the empty regexp "". In this case, the NFA will be | |
3190 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows | |
3191 * empty groups of parenthesis, and empty mbyte chars */ | |
3192 if (stackp == stack) | |
3193 { | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3194 s = alloc_state(mopen, NULL, NULL); |
4444 | 3195 if (s == NULL) |
4484 | 3196 goto theend; |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3197 s1 = alloc_state(mclose, NULL, NULL); |
4444 | 3198 if (s1 == NULL) |
4484 | 3199 goto theend; |
4444 | 3200 patch(list1(&s->out), s1); |
3201 PUSH(frag(s, list1(&s1->out))); | |
3202 break; | |
3203 } | |
3204 | |
3205 /* At least one node was emitted before NFA_MOPEN, so | |
3206 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */ | |
3207 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3208 s = alloc_state(mopen, e.start, NULL); /* `(' */ |
4444 | 3209 if (s == NULL) |
4484 | 3210 goto theend; |
4444 | 3211 |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3212 s1 = alloc_state(mclose, NULL, NULL); /* `)' */ |
4444 | 3213 if (s1 == NULL) |
4484 | 3214 goto theend; |
4444 | 3215 patch(e.out, s1); |
3216 | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3217 #ifdef FEAT_MBYTE |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3218 if (mopen == NFA_COMPOSING) |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3219 /* COMPOSING->out1 = END_COMPOSING */ |
4444 | 3220 patch(list1(&s->out1), s1); |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3221 #endif |
4444 | 3222 |
3223 PUSH(frag(s, list1(&s1->out))); | |
3224 break; | |
3225 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3226 case NFA_BACKREF1: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3227 case NFA_BACKREF2: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3228 case NFA_BACKREF3: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3229 case NFA_BACKREF4: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3230 case NFA_BACKREF5: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3231 case NFA_BACKREF6: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3232 case NFA_BACKREF7: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3233 case NFA_BACKREF8: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3234 case NFA_BACKREF9: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3235 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3236 case NFA_ZREF1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3237 case NFA_ZREF2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3238 case NFA_ZREF3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3239 case NFA_ZREF4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3240 case NFA_ZREF5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3241 case NFA_ZREF6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3242 case NFA_ZREF7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3243 case NFA_ZREF8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3244 case NFA_ZREF9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3245 #endif |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3246 if (nfa_calc_size == TRUE) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3247 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3248 nstate += 2; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3249 break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3250 } |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3251 s = alloc_state(*p, NULL, NULL); |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3252 if (s == NULL) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3253 goto theend; |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3254 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3255 if (s1 == NULL) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3256 goto theend; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3257 patch(list1(&s->out), s1); |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3258 PUSH(frag(s, list1(&s1->out))); |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3259 break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3260 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3261 case NFA_LNUM: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3262 case NFA_LNUM_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3263 case NFA_LNUM_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3264 case NFA_VCOL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3265 case NFA_VCOL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3266 case NFA_VCOL_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3267 case NFA_COL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3268 case NFA_COL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3269 case NFA_COL_LT: |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3270 case NFA_MARK: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3271 case NFA_MARK_GT: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3272 case NFA_MARK_LT: |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3273 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3274 int n = *++p; /* lnum, col or mark name */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3275 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3276 if (nfa_calc_size == TRUE) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3277 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3278 nstate += 1; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3279 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3280 } |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3281 s = alloc_state(p[-1], NULL, NULL); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3282 if (s == NULL) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3283 goto theend; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3284 s->val = n; |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3285 PUSH(frag(s, list1(&s->out))); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3286 break; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3287 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3288 |
4444 | 3289 case NFA_ZSTART: |
3290 case NFA_ZEND: | |
3291 default: | |
3292 /* Operands */ | |
3293 if (nfa_calc_size == TRUE) | |
3294 { | |
4458 | 3295 nstate++; |
4444 | 3296 break; |
3297 } | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3298 s = alloc_state(*p, NULL, NULL); |
4444 | 3299 if (s == NULL) |
4484 | 3300 goto theend; |
4444 | 3301 PUSH(frag(s, list1(&s->out))); |
3302 break; | |
3303 | |
3304 } /* switch(*p) */ | |
3305 | |
3306 } /* for(p = postfix; *p; ++p) */ | |
3307 | |
3308 if (nfa_calc_size == TRUE) | |
3309 { | |
4458 | 3310 nstate++; |
4484 | 3311 goto theend; /* Return value when counting size is ignored anyway */ |
4444 | 3312 } |
3313 | |
3314 e = POP(); | |
3315 if (stackp != stack) | |
3316 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); | |
3317 | |
3318 if (istate >= nstate) | |
3319 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); | |
3320 | |
3321 matchstate = &state_ptr[istate++]; /* the match state */ | |
3322 matchstate->c = NFA_MATCH; | |
3323 matchstate->out = matchstate->out1 = NULL; | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3324 matchstate->id = 0; |
4444 | 3325 |
3326 patch(e.out, matchstate); | |
4484 | 3327 ret = e.start; |
3328 | |
3329 theend: | |
3330 vim_free(stack); | |
3331 return ret; | |
4444 | 3332 |
3333 #undef POP1 | |
3334 #undef PUSH1 | |
3335 #undef POP2 | |
3336 #undef PUSH2 | |
3337 #undef POP | |
3338 #undef PUSH | |
3339 } | |
3340 | |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3341 /* |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3342 * After building the NFA program, inspect it to add optimization hints. |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3343 */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3344 static void |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3345 nfa_postprocess(prog) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3346 nfa_regprog_T *prog; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3347 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3348 int i; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3349 int c; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3350 |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3351 for (i = 0; i < prog->nstate; ++i) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3352 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3353 c = prog->state[i].c; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3354 if (c == NFA_START_INVISIBLE |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3355 || c == NFA_START_INVISIBLE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3356 || c == NFA_START_INVISIBLE_BEFORE |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3357 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3358 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3359 int directly; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3360 |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3361 /* Do it directly when what follows is possibly the end of the |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3362 * match. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3363 if (match_follows(prog->state[i].out1->out, 0)) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3364 directly = TRUE; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3365 else |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3366 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3367 int ch_invisible = failure_chance(prog->state[i].out, 0); |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3368 int ch_follows = failure_chance(prog->state[i].out1->out, 0); |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3369 |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3370 /* Postpone when the invisible match is expensive or has a |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3371 * lower chance of failing. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3372 if (c == NFA_START_INVISIBLE_BEFORE |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3373 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3374 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3375 /* "before" matches are very expensive when |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3376 * unbounded, always prefer what follows then, |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3377 * unless what follows will always match. |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3378 * Otherwise strongly prefer what follows. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3379 if (prog->state[i].val <= 0 && ch_follows > 0) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3380 directly = FALSE; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3381 else |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3382 directly = ch_follows * 10 < ch_invisible; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3383 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3384 else |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3385 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3386 /* normal invisible, first do the one with the |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3387 * highest failure chance */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3388 directly = ch_follows < ch_invisible; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3389 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3390 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3391 if (directly) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3392 /* switch to the _FIRST state */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3393 ++prog->state[i].c; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3394 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3395 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3396 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3397 |
4444 | 3398 /**************************************************************** |
3399 * NFA execution code. | |
3400 ****************************************************************/ | |
3401 | |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3402 typedef struct |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3403 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3404 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
|
3405 |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3406 /* 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
|
3407 union |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3408 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3409 struct multipos |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3410 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3411 lpos_T start; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3412 lpos_T end; |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3413 } multi[NSUBEXP]; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3414 struct linepos |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3415 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3416 char_u *start; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3417 char_u *end; |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3418 } line[NSUBEXP]; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3419 } list; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3420 } regsub_T; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3421 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3422 typedef struct |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3423 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3424 regsub_T norm; /* \( .. \) matches */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3425 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3426 regsub_T synt; /* \z( .. \) matches */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3427 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3428 } regsubs_T; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3429 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3430 /* nfa_pim_T stores a Postponed Invisible Match. */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3431 typedef struct nfa_pim_S nfa_pim_T; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3432 struct nfa_pim_S |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3433 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3434 int result; /* NFA_PIM_*, see below */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3435 nfa_state_T *state; /* the invisible match start state */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3436 regsubs_T subs; /* submatch info, only party used */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3437 union |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3438 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3439 lpos_T pos; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3440 char_u *ptr; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3441 } end; /* where the match must end */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3442 }; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3443 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3444 /* Values for done in nfa_pim_T. */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3445 #define NFA_PIM_UNUSED 0 /* pim not used */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3446 #define NFA_PIM_TODO 1 /* pim not done yet */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3447 #define NFA_PIM_MATCH 2 /* pim executed, matches */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3448 #define NFA_PIM_NOMATCH 3 /* pim executed, no match */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3449 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3450 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3451 /* 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
|
3452 typedef struct |
4444 | 3453 { |
3454 nfa_state_T *state; | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3455 int count; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3456 nfa_pim_T pim; /* if pim.result != NFA_PIM_UNUSED: postponed |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3457 * invisible match */ |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3458 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
|
3459 } nfa_thread_T; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3460 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3461 /* nfa_list_T contains the alternative NFA execution states. */ |
4444 | 3462 typedef struct |
3463 { | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3464 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
|
3465 int n; /* nr of states currently in "t" */ |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3466 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
|
3467 int id; /* ID of the list */ |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3468 } nfa_list_T; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3469 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3470 #ifdef ENABLE_LOG |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3471 static void log_subsexpr __ARGS((regsubs_T *subs)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3472 static void log_subexpr __ARGS((regsub_T *sub)); |
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
3473 static char *pim_info __ARGS((nfa_pim_T *pim)); |
4686
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 static void |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3476 log_subsexpr(subs) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3477 regsubs_T *subs; |
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 log_subexpr(&subs->norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3480 # ifdef FEAT_SYN_HL |
4770
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3481 if (nfa_has_zsubexpr) |
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3482 log_subexpr(&subs->synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3483 # endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3484 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3485 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3486 static void |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3487 log_subexpr(sub) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3488 regsub_T *sub; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3489 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3490 int j; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3491 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3492 for (j = 0; j < sub->in_use; j++) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3493 if (REG_MULTI) |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3494 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
|
3495 j, |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3496 sub->list.multi[j].start.col, |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3497 (int)sub->list.multi[j].start.lnum, |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3498 sub->list.multi[j].end.col, |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3499 (int)sub->list.multi[j].end.lnum); |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3500 else |
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3501 { |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3502 char *s = (char *)sub->list.line[j].start; |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3503 char *e = (char *)sub->list.line[j].end; |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3504 |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3505 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
|
3506 j, |
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3507 s == NULL ? "NULL" : s, |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3508 e == NULL ? "NULL" : e); |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3509 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3510 } |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3511 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3512 static char * |
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
3513 pim_info(pim) |
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
3514 nfa_pim_T *pim; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3515 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3516 static char buf[30]; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3517 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3518 if (pim == NULL || pim->result == NFA_PIM_UNUSED) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3519 buf[0] = NUL; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3520 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3521 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3522 sprintf(buf, " PIM col %d", REG_MULTI ? (int)pim->end.pos.col |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3523 : (int)(pim->end.ptr - reginput)); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3524 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3525 return buf; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3526 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3527 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3528 #endif |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3529 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3530 /* 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
|
3531 static int nfa_match; |
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3532 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3533 static void copy_pim __ARGS((nfa_pim_T *to, nfa_pim_T *from)); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3534 static void clear_sub __ARGS((regsub_T *sub)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3535 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
|
3536 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
|
3537 static int sub_equal __ARGS((regsub_T *sub1, regsub_T *sub2)); |
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
3538 static int match_backref __ARGS((regsub_T *sub, int subidx, int *bytelen)); |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3539 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
|
3540 static int state_in_list __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs)); |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3541 static regsubs_T *addstate __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs_arg, nfa_pim_T *pim, int off)); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3542 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
|
3543 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3544 /* |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3545 * Copy postponed invisible match info from "from" to "to". |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3546 */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3547 static void |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3548 copy_pim(to, from) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3549 nfa_pim_T *to; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3550 nfa_pim_T *from; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3551 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3552 to->result = from->result; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3553 to->state = from->state; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3554 copy_sub(&to->subs.norm, &from->subs.norm); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3555 #ifdef FEAT_SYN_HL |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3556 if (nfa_has_zsubexpr) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3557 copy_sub(&to->subs.synt, &from->subs.synt); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3558 #endif |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3559 to->end = from->end; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3560 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3561 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3562 static void |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3563 clear_sub(sub) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3564 regsub_T *sub; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3565 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3566 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3567 /* Use 0xff to set lnum to -1 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3568 vim_memset(sub->list.multi, 0xff, |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3569 sizeof(struct multipos) * nfa_nsubexpr); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3570 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3571 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
|
3572 sub->in_use = 0; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3573 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3574 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3575 /* |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3576 * Copy the submatches from "from" to "to". |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3577 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3578 static void |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3579 copy_sub(to, from) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3580 regsub_T *to; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3581 regsub_T *from; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3582 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3583 to->in_use = from->in_use; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3584 if (from->in_use > 0) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3585 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3586 /* Copy the match start and end positions. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3587 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3588 mch_memmove(&to->list.multi[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3589 &from->list.multi[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3590 sizeof(struct multipos) * from->in_use); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3591 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3592 mch_memmove(&to->list.line[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3593 &from->list.line[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3594 sizeof(struct linepos) * from->in_use); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3595 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3596 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3597 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3598 /* |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3599 * Like copy_sub() but exclude the main match. |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3600 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3601 static void |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3602 copy_sub_off(to, from) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3603 regsub_T *to; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3604 regsub_T *from; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3605 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3606 if (to->in_use < from->in_use) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3607 to->in_use = from->in_use; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3608 if (from->in_use > 1) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3609 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3610 /* Copy the match start and end positions. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3611 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3612 mch_memmove(&to->list.multi[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3613 &from->list.multi[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3614 sizeof(struct multipos) * (from->in_use - 1)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3615 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3616 mch_memmove(&to->list.line[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3617 &from->list.line[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3618 sizeof(struct linepos) * (from->in_use - 1)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3619 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3620 } |
4444 | 3621 |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3622 /* |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3623 * Return TRUE if "sub1" and "sub2" have the same start positions. |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3624 */ |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3625 static int |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3626 sub_equal(sub1, sub2) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3627 regsub_T *sub1; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3628 regsub_T *sub2; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3629 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3630 int i; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3631 int todo; |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3632 linenr_T s1; |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3633 linenr_T s2; |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3634 char_u *sp1; |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3635 char_u *sp2; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3636 |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3637 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
|
3638 if (REG_MULTI) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3639 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3640 for (i = 0; i < todo; ++i) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3641 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3642 if (i < sub1->in_use) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3643 s1 = sub1->list.multi[i].start.lnum; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3644 else |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
3645 s1 = -1; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3646 if (i < sub2->in_use) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3647 s2 = sub2->list.multi[i].start.lnum; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3648 else |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
3649 s2 = -1; |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3650 if (s1 != s2) |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3651 return FALSE; |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
3652 if (s1 != -1 && sub1->list.multi[i].start.col |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3653 != sub2->list.multi[i].start.col) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3654 return FALSE; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3655 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3656 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3657 else |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3658 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3659 for (i = 0; i < todo; ++i) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3660 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3661 if (i < sub1->in_use) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3662 sp1 = sub1->list.line[i].start; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3663 else |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3664 sp1 = NULL; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3665 if (i < sub2->in_use) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3666 sp2 = sub2->list.line[i].start; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3667 else |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3668 sp2 = NULL; |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3669 if (sp1 != sp2) |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3670 return FALSE; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3671 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3672 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3673 |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3674 return TRUE; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3675 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3676 |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3677 #ifdef ENABLE_LOG |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3678 static void |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3679 report_state(char *action, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3680 regsub_T *sub, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3681 nfa_state_T *state, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3682 int lid, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3683 nfa_pim_T *pim) |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3684 { |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3685 int col; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3686 |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3687 if (sub->in_use <= 0) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3688 col = -1; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3689 else if (REG_MULTI) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3690 col = sub->list.multi[0].start.col; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3691 else |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3692 col = (int)(sub->list.line[0].start - regline); |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3693 nfa_set_code(state->c); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3694 fprintf(log_fd, "> %s state %d to list %d. char %d: %s (start col %d)%s\n", |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3695 action, abs(state->id), lid, state->c, code, col, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3696 pim_info(pim)); |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3697 } |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3698 #endif |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3699 |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3700 /* |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3701 * 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
|
3702 * positions as "subs". |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3703 */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3704 static int |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3705 has_state_with_pos(l, state, subs) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3706 nfa_list_T *l; /* runtime state list */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3707 nfa_state_T *state; /* state to update */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3708 regsubs_T *subs; /* pointers to subexpressions */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3709 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3710 nfa_thread_T *thread; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3711 int i; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3712 |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3713 for (i = 0; i < l->n; ++i) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3714 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3715 thread = &l->t[i]; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3716 if (thread->state->id == state->id |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3717 && sub_equal(&thread->subs.norm, &subs->norm) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3718 #ifdef FEAT_SYN_HL |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3719 && (!nfa_has_zsubexpr |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3720 || sub_equal(&thread->subs.synt, &subs->synt)) |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3721 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3722 ) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3723 return TRUE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3724 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3725 return FALSE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3726 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3727 |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3728 /* |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3729 * Return TRUE if "state" leads to a NFA_MATCH without advancing the input. |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3730 */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3731 static int |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3732 match_follows(startstate, depth) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3733 nfa_state_T *startstate; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3734 int depth; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3735 { |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3736 nfa_state_T *state = startstate; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3737 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3738 /* avoid too much recursion */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3739 if (depth > 10) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3740 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3741 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3742 for (;;) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3743 { |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3744 switch (state->c) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3745 { |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3746 case NFA_MATCH: |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3747 case NFA_MCLOSE: |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3748 case NFA_END_INVISIBLE: |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3749 case NFA_END_INVISIBLE_NEG: |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3750 case NFA_END_PATTERN: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3751 return TRUE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3752 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3753 case NFA_SPLIT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3754 return match_follows(state->out, depth + 1) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3755 || match_follows(state->out1, depth + 1); |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3756 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3757 case NFA_START_INVISIBLE: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3758 case NFA_START_INVISIBLE_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3759 case NFA_START_INVISIBLE_BEFORE: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3760 case NFA_START_INVISIBLE_BEFORE_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3761 case NFA_START_INVISIBLE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3762 case NFA_START_INVISIBLE_NEG_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3763 case NFA_START_INVISIBLE_BEFORE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3764 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3765 case NFA_COMPOSING: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3766 /* skip ahead to next state */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3767 state = state->out1->out; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3768 break; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3769 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3770 case NFA_ANY: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3771 case NFA_IDENT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3772 case NFA_SIDENT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3773 case NFA_KWORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3774 case NFA_SKWORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3775 case NFA_FNAME: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3776 case NFA_SFNAME: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3777 case NFA_PRINT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3778 case NFA_SPRINT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3779 case NFA_WHITE: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3780 case NFA_NWHITE: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3781 case NFA_DIGIT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3782 case NFA_NDIGIT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3783 case NFA_HEX: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3784 case NFA_NHEX: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3785 case NFA_OCTAL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3786 case NFA_NOCTAL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3787 case NFA_WORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3788 case NFA_NWORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3789 case NFA_HEAD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3790 case NFA_NHEAD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3791 case NFA_ALPHA: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3792 case NFA_NALPHA: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3793 case NFA_LOWER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3794 case NFA_NLOWER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3795 case NFA_UPPER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3796 case NFA_NUPPER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3797 case NFA_START_COLL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3798 case NFA_START_NEG_COLL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3799 case NFA_NEWL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3800 /* state will advance input */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3801 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3802 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3803 default: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3804 if (state->c > 0) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3805 /* state will advance input */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3806 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3807 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3808 /* Others: zero-width or possibly zero-width, might still find |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3809 * a match at the same position, keep looking. */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3810 break; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3811 } |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3812 state = state->out; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3813 } |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3814 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3815 } |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3816 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3817 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3818 /* |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3819 * 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
|
3820 */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3821 static int |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3822 state_in_list(l, state, subs) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3823 nfa_list_T *l; /* runtime state list */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3824 nfa_state_T *state; /* state to update */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3825 regsubs_T *subs; /* pointers to subexpressions */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3826 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3827 if (state->lastlist[nfa_ll_index] == l->id) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3828 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3829 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
|
3830 return TRUE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3831 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3832 return FALSE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3833 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3834 |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3835 /* |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3836 * Add "state" and possibly what follows to state list ".". |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3837 * Returns "subs_arg", possibly copied into temp_subs. |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3838 */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3839 |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3840 static regsubs_T * |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3841 addstate(l, state, subs_arg, pim, off) |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3842 nfa_list_T *l; /* runtime state list */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3843 nfa_state_T *state; /* state to update */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3844 regsubs_T *subs_arg; /* pointers to subexpressions */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3845 nfa_pim_T *pim; /* postponed look-behind match */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3846 int off; /* byte offset, when -1 go to next line */ |
4444 | 3847 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3848 int subidx; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3849 nfa_thread_T *thread; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3850 lpos_T save_lpos; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3851 int save_in_use; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3852 char_u *save_ptr; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3853 int i; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3854 regsub_T *sub; |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3855 regsubs_T *subs = subs_arg; |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3856 static regsubs_T temp_subs; |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3857 #ifdef ENABLE_LOG |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3858 int did_print = FALSE; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3859 #endif |
4444 | 3860 |
3861 switch (state->c) | |
3862 { | |
3863 case NFA_NCLOSE: | |
3864 case NFA_MCLOSE: | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3865 case NFA_MCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3866 case NFA_MCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3867 case NFA_MCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3868 case NFA_MCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3869 case NFA_MCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3870 case NFA_MCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3871 case NFA_MCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3872 case NFA_MCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3873 case NFA_MCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3874 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3875 case NFA_ZCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3876 case NFA_ZCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3877 case NFA_ZCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3878 case NFA_ZCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3879 case NFA_ZCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3880 case NFA_ZCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3881 case NFA_ZCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3882 case NFA_ZCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3883 case NFA_ZCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3884 case NFA_ZCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3885 #endif |
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3886 case NFA_ZEND: |
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
3887 case NFA_SPLIT: |
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
3888 case NFA_NOPEN: |
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
3889 case NFA_SKIP_CHAR: |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3890 /* 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
|
3891 * "out1" may be added below. */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3892 break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3893 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3894 case NFA_MOPEN: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3895 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3896 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3897 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3898 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3899 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3900 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3901 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3902 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3903 case NFA_MOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3904 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3905 case NFA_ZOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3906 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3907 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3908 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3909 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3910 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3911 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3912 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3913 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3914 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3915 #endif |
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
3916 case NFA_ZSTART: |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3917 /* 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
|
3918 * 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
|
3919 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
|
3920 goto skip_add; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3921 state->lastlist[nfa_ll_index] = l->id; |
4444 | 3922 break; |
3923 | |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3924 case NFA_BOL: |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3925 case NFA_BOF: |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3926 /* "^" won't match past end-of-line, don't bother trying. |
4879
6d935f45c489
updated for version 7.3.1185
Bram Moolenaar <bram@vim.org>
parents:
4877
diff
changeset
|
3927 * Except when at the end of the line, or when we are going to the |
6d935f45c489
updated for version 7.3.1185
Bram Moolenaar <bram@vim.org>
parents:
4877
diff
changeset
|
3928 * next line for a look-behind match. */ |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3929 if (reginput > regline |
4879
6d935f45c489
updated for version 7.3.1185
Bram Moolenaar <bram@vim.org>
parents:
4877
diff
changeset
|
3930 && *reginput != NUL |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3931 && (nfa_endp == NULL |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3932 || !REG_MULTI |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3933 || reglnum == nfa_endp->se_u.pos.lnum)) |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3934 goto skip_add; |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3935 /* FALLTHROUGH */ |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
3936 |
4444 | 3937 default: |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3938 if (state->lastlist[nfa_ll_index] == l->id) |
4444 | 3939 { |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3940 /* This state is already in the list, don't add it again, |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
3941 * unless it is an MOPEN that is used for a backreference or |
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
3942 * when there is a PIM. */ |
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
3943 if (!nfa_has_backref && pim == NULL) |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3944 { |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3945 skip_add: |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3946 #ifdef ENABLE_LOG |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3947 nfa_set_code(state->c); |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3948 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
|
3949 abs(state->id), l->id, state->c, code); |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3950 #endif |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3951 return subs; |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3952 } |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3953 |
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
3954 /* Do not add the state again when it exists with the same |
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
3955 * positions. */ |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3956 if (has_state_with_pos(l, state, subs)) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3957 goto skip_add; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3958 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3959 |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
3960 /* When there are backreferences or PIMs the number of states may |
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
3961 * be (a lot) bigger than anticipated. */ |
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
3962 if (l->n == l->len) |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3963 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3964 int newlen = l->len * 3 / 2 + 50; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3965 |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3966 if (subs != &temp_subs) |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3967 { |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3968 /* "subs" may point into the current array, need to make a |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3969 * copy before it becomes invalid. */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3970 copy_sub(&temp_subs.norm, &subs->norm); |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3971 #ifdef FEAT_SYN_HL |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3972 if (nfa_has_zsubexpr) |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3973 copy_sub(&temp_subs.synt, &subs->synt); |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3974 #endif |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3975 subs = &temp_subs; |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3976 } |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
3977 |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3978 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
|
3979 l->len = newlen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3980 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3981 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3982 /* add the state to the list */ |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
3983 state->lastlist[nfa_ll_index] = l->id; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3984 thread = &l->t[l->n++]; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3985 thread->state = state; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3986 if (pim == NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3987 thread->pim.result = NFA_PIM_UNUSED; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3988 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3989 copy_pim(&thread->pim, pim); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3990 copy_sub(&thread->subs.norm, &subs->norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3991 #ifdef FEAT_SYN_HL |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3992 if (nfa_has_zsubexpr) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3993 copy_sub(&thread->subs.synt, &subs->synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3994 #endif |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3995 #ifdef ENABLE_LOG |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3996 report_state("Adding", &thread->subs.norm, state, l->id, pim); |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
3997 did_print = TRUE; |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3998 #endif |
4444 | 3999 } |
4000 | |
4001 #ifdef ENABLE_LOG | |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4002 if (!did_print) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4003 report_state("Processing", &subs->norm, state, l->id, pim); |
4444 | 4004 #endif |
4005 switch (state->c) | |
4006 { | |
4007 case NFA_MATCH: | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4008 nfa_match = TRUE; |
4444 | 4009 break; |
4010 | |
4011 case NFA_SPLIT: | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4012 /* order matters here */ |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4013 subs = addstate(l, state->out, subs, pim, off); |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4014 subs = addstate(l, state->out1, subs, pim, off); |
4444 | 4015 break; |
4016 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4017 case NFA_SKIP_CHAR: |
4444 | 4018 case NFA_NOPEN: |
4019 case NFA_NCLOSE: | |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4020 subs = addstate(l, state->out, subs, pim, off); |
4444 | 4021 break; |
4022 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4023 case NFA_MOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4024 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4025 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4026 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4027 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4028 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4029 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4030 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4031 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4032 case NFA_MOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4033 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4034 case NFA_ZOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4035 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4036 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4037 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4038 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4039 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4040 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4041 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4042 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4043 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4044 #endif |
4444 | 4045 case NFA_ZSTART: |
4046 if (state->c == NFA_ZSTART) | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4047 { |
4444 | 4048 subidx = 0; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4049 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4050 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4051 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4052 else if (state->c >= NFA_ZOPEN) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4053 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4054 subidx = state->c - NFA_ZOPEN; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4055 sub = &subs->synt; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4056 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4057 #endif |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4058 else |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4059 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4060 subidx = state->c - NFA_MOPEN; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4061 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4062 } |
4444 | 4063 |
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4064 /* Set the position (with "off" added) in the subexpression. Save |
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4065 * and 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
|
4066 save_ptr = NULL; |
4444 | 4067 if (REG_MULTI) |
4068 { | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4069 if (subidx < sub->in_use) |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4070 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4071 save_lpos = sub->list.multi[subidx].start; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4072 save_in_use = -1; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4073 } |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4074 else |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4075 { |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4076 save_in_use = sub->in_use; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4077 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
|
4078 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4079 sub->list.multi[i].start.lnum = -1; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4080 sub->list.multi[i].end.lnum = -1; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4081 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4082 sub->in_use = subidx + 1; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4083 } |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4084 if (off == -1) |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4085 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4086 sub->list.multi[subidx].start.lnum = reglnum + 1; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4087 sub->list.multi[subidx].start.col = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4088 } |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4089 else |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4090 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4091 sub->list.multi[subidx].start.lnum = reglnum; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4092 sub->list.multi[subidx].start.col = |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4093 (colnr_T)(reginput - regline + off); |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4094 } |
4444 | 4095 } |
4096 else | |
4097 { | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4098 if (subidx < sub->in_use) |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4099 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4100 save_ptr = sub->list.line[subidx].start; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4101 save_in_use = -1; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4102 } |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4103 else |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4104 { |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4105 save_in_use = sub->in_use; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4106 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
|
4107 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4108 sub->list.line[i].start = NULL; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4109 sub->list.line[i].end = NULL; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4110 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4111 sub->in_use = subidx + 1; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4112 } |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4113 sub->list.line[subidx].start = reginput + off; |
4444 | 4114 } |
4115 | |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4116 subs = addstate(l, state->out, subs, pim, off); |
4444 | 4117 |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4118 if (save_in_use == -1) |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4119 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4120 if (REG_MULTI) |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4121 sub->list.multi[subidx].start = save_lpos; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4122 else |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4123 sub->list.line[subidx].start = save_ptr; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4124 } |
4444 | 4125 else |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4126 sub->in_use = save_in_use; |
4444 | 4127 break; |
4128 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4129 case NFA_MCLOSE: |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
4130 if (nfa_has_zend) |
4444 | 4131 { |
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
4132 /* 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
|
4133 * encountered end will be set in nfa_regtry(). */ |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4134 subs = addstate(l, state->out, subs, pim, off); |
4444 | 4135 break; |
4136 } | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4137 case NFA_MCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4138 case NFA_MCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4139 case NFA_MCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4140 case NFA_MCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4141 case NFA_MCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4142 case NFA_MCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4143 case NFA_MCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4144 case NFA_MCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4145 case NFA_MCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4146 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4147 case NFA_ZCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4148 case NFA_ZCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4149 case NFA_ZCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4150 case NFA_ZCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4151 case NFA_ZCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4152 case NFA_ZCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4153 case NFA_ZCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4154 case NFA_ZCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4155 case NFA_ZCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4156 case NFA_ZCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4157 #endif |
4444 | 4158 case NFA_ZEND: |
4159 if (state->c == NFA_ZEND) | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4160 { |
4444 | 4161 subidx = 0; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4162 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4163 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4164 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4165 else if (state->c >= NFA_ZCLOSE) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4166 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4167 subidx = state->c - NFA_ZCLOSE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4168 sub = &subs->synt; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4169 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4170 #endif |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4171 else |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4172 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4173 subidx = state->c - NFA_MCLOSE; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4174 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4175 } |
4444 | 4176 |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4177 /* 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
|
4178 * has done that. */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4179 save_in_use = sub->in_use; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4180 if (sub->in_use <= subidx) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4181 sub->in_use = subidx + 1; |
4444 | 4182 if (REG_MULTI) |
4183 { | |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4184 save_lpos = sub->list.multi[subidx].end; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4185 if (off == -1) |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4186 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4187 sub->list.multi[subidx].end.lnum = reglnum + 1; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4188 sub->list.multi[subidx].end.col = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4189 } |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4190 else |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4191 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4192 sub->list.multi[subidx].end.lnum = reglnum; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4193 sub->list.multi[subidx].end.col = |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4194 (colnr_T)(reginput - regline + off); |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4195 } |
4444 | 4196 } |
4197 else | |
4198 { | |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4199 save_ptr = sub->list.line[subidx].end; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4200 sub->list.line[subidx].end = reginput + off; |
4444 | 4201 } |
4202 | |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4203 subs = addstate(l, state->out, subs, pim, off); |
4444 | 4204 |
4205 if (REG_MULTI) | |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4206 sub->list.multi[subidx].end = save_lpos; |
4444 | 4207 else |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4208 sub->list.line[subidx].end = save_ptr; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4209 sub->in_use = save_in_use; |
4444 | 4210 break; |
4211 } | |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4212 return subs; |
4444 | 4213 } |
4214 | |
4215 /* | |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4216 * 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
|
4217 * 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
|
4218 * 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
|
4219 * matters for alternatives. |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4220 */ |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4221 static void |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4222 addstate_here(l, state, subs, pim, ip) |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4223 nfa_list_T *l; /* runtime state list */ |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4224 nfa_state_T *state; /* state to update */ |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4225 regsubs_T *subs; /* pointers to subexpressions */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4226 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
|
4227 int *ip; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4228 { |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4229 int tlen = l->n; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4230 int count; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4231 int listidx = *ip; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4232 |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4233 /* first add the state(s) at the end, so that we know how many there are */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4234 addstate(l, state, subs, pim, 0); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4235 |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4236 /* 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
|
4237 if (listidx + 1 == tlen) |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4238 return; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4239 |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4240 /* 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
|
4241 count = l->n - tlen; |
4924
6ae32a64e153
updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents:
4897
diff
changeset
|
4242 if (count == 0) |
6ae32a64e153
updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents:
4897
diff
changeset
|
4243 return; /* no state got added */ |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4244 if (count == 1) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4245 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4246 /* overwrite the current state */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4247 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
|
4248 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4249 else if (count > 1) |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4250 { |
5058
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4251 if (l->n + count - 1 >= l->len) |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4252 { |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4253 /* not enough space to move the new states, reallocate the list |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4254 * and move the states to the right position */ |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4255 nfa_thread_T *newl; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4256 |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4257 l->len = l->len * 3 / 2 + 50; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4258 newl = (nfa_thread_T *)alloc(l->len * sizeof(nfa_thread_T)); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4259 if (newl == NULL) |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4260 return; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4261 mch_memmove(&(newl[0]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4262 &(l->t[0]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4263 sizeof(nfa_thread_T) * listidx); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4264 mch_memmove(&(newl[listidx]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4265 &(l->t[l->n - count]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4266 sizeof(nfa_thread_T) * count); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4267 mch_memmove(&(newl[listidx + count]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4268 &(l->t[listidx + 1]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4269 sizeof(nfa_thread_T) * (l->n - count - listidx - 1)); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4270 vim_free(l->t); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4271 l->t = newl; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4272 } |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4273 else |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4274 { |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4275 /* make space for new states, then move them from the |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4276 * end to the current position */ |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4277 mch_memmove(&(l->t[listidx + count]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4278 &(l->t[listidx + 1]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4279 sizeof(nfa_thread_T) * (l->n - listidx - 1)); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4280 mch_memmove(&(l->t[listidx]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4281 &(l->t[l->n - 1]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4282 sizeof(nfa_thread_T) * count); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4283 } |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4284 } |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4285 --l->n; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4286 *ip = listidx - 1; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4287 } |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4288 |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4289 /* |
4444 | 4290 * Check character class "class" against current character c. |
4291 */ | |
4292 static int | |
4293 check_char_class(class, c) | |
4294 int class; | |
4295 int c; | |
4296 { | |
4297 switch (class) | |
4298 { | |
4299 case NFA_CLASS_ALNUM: | |
4464 | 4300 if (c >= 1 && c <= 255 && isalnum(c)) |
4444 | 4301 return OK; |
4302 break; | |
4303 case NFA_CLASS_ALPHA: | |
4464 | 4304 if (c >= 1 && c <= 255 && isalpha(c)) |
4444 | 4305 return OK; |
4306 break; | |
4307 case NFA_CLASS_BLANK: | |
4308 if (c == ' ' || c == '\t') | |
4309 return OK; | |
4310 break; | |
4311 case NFA_CLASS_CNTRL: | |
4464 | 4312 if (c >= 1 && c <= 255 && iscntrl(c)) |
4444 | 4313 return OK; |
4314 break; | |
4315 case NFA_CLASS_DIGIT: | |
4316 if (VIM_ISDIGIT(c)) | |
4317 return OK; | |
4318 break; | |
4319 case NFA_CLASS_GRAPH: | |
4464 | 4320 if (c >= 1 && c <= 255 && isgraph(c)) |
4444 | 4321 return OK; |
4322 break; | |
4323 case NFA_CLASS_LOWER: | |
4324 if (MB_ISLOWER(c)) | |
4325 return OK; | |
4326 break; | |
4327 case NFA_CLASS_PRINT: | |
4328 if (vim_isprintc(c)) | |
4329 return OK; | |
4330 break; | |
4331 case NFA_CLASS_PUNCT: | |
4464 | 4332 if (c >= 1 && c <= 255 && ispunct(c)) |
4444 | 4333 return OK; |
4334 break; | |
4335 case NFA_CLASS_SPACE: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4336 if ((c >= 9 && c <= 13) || (c == ' ')) |
4444 | 4337 return OK; |
4338 break; | |
4339 case NFA_CLASS_UPPER: | |
4340 if (MB_ISUPPER(c)) | |
4341 return OK; | |
4342 break; | |
4343 case NFA_CLASS_XDIGIT: | |
4344 if (vim_isxdigit(c)) | |
4345 return OK; | |
4346 break; | |
4347 case NFA_CLASS_TAB: | |
4348 if (c == '\t') | |
4349 return OK; | |
4350 break; | |
4351 case NFA_CLASS_RETURN: | |
4352 if (c == '\r') | |
4353 return OK; | |
4354 break; | |
4355 case NFA_CLASS_BACKSPACE: | |
4356 if (c == '\b') | |
4357 return OK; | |
4358 break; | |
4359 case NFA_CLASS_ESCAPE: | |
4360 if (c == '\033') | |
4361 return OK; | |
4362 break; | |
4363 | |
4364 default: | |
4365 /* should not be here :P */ | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
4366 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
|
4367 return FAIL; |
4444 | 4368 } |
4369 return FAIL; | |
4370 } | |
4371 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4372 /* |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4373 * Check for a match with subexpression "subidx". |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4374 * Return TRUE if it matches. |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4375 */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4376 static int |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4377 match_backref(sub, subidx, bytelen) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4378 regsub_T *sub; /* pointers to subexpressions */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4379 int subidx; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4380 int *bytelen; /* out: length of match in bytes */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4381 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4382 int len; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4383 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4384 if (sub->in_use <= subidx) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4385 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4386 retempty: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4387 /* backref was not set, match an empty string */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4388 *bytelen = 0; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4389 return TRUE; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4390 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4391 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4392 if (REG_MULTI) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4393 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4394 if (sub->list.multi[subidx].start.lnum < 0 |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4395 || sub->list.multi[subidx].end.lnum < 0) |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4396 goto retempty; |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4397 if (sub->list.multi[subidx].start.lnum == reglnum |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4398 && sub->list.multi[subidx].end.lnum == reglnum) |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4399 { |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4400 len = sub->list.multi[subidx].end.col |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4401 - sub->list.multi[subidx].start.col; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4402 if (cstrncmp(regline + sub->list.multi[subidx].start.col, |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4403 reginput, &len) == 0) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4404 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4405 *bytelen = len; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4406 return TRUE; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4407 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4408 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4409 else |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4410 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4411 if (match_with_backref( |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4412 sub->list.multi[subidx].start.lnum, |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4413 sub->list.multi[subidx].start.col, |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4414 sub->list.multi[subidx].end.lnum, |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4415 sub->list.multi[subidx].end.col, |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4416 bytelen) == RA_MATCH) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4417 return TRUE; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4418 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4419 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4420 else |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4421 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4422 if (sub->list.line[subidx].start == NULL |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4423 || sub->list.line[subidx].end == NULL) |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4424 goto retempty; |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4425 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
|
4426 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
|
4427 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4428 *bytelen = len; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4429 return TRUE; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4430 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4431 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4432 return FALSE; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4433 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4434 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4435 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4436 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4437 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
|
4438 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4439 /* |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4440 * Check for a match with \z subexpression "subidx". |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4441 * Return TRUE if it matches. |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4442 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4443 static int |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4444 match_zref(subidx, bytelen) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4445 int subidx; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4446 int *bytelen; /* out: length of match in bytes */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4447 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4448 int len; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4449 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4450 cleanup_zsubexpr(); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4451 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
|
4452 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4453 /* backref was not set, match an empty string */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4454 *bytelen = 0; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4455 return TRUE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4456 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4457 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4458 len = (int)STRLEN(re_extmatch_in->matches[subidx]); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4459 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
|
4460 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4461 *bytelen = len; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4462 return TRUE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4463 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4464 return FALSE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4465 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4466 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4467 |
4444 | 4468 /* |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4469 * 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
|
4470 * Also reset the IDs to zero. |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4471 * Only used for the recursive value lastlist[1]. |
4444 | 4472 */ |
4473 static void | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4474 nfa_save_listids(prog, list) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4475 nfa_regprog_T *prog; |
4444 | 4476 int *list; |
4477 { | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4478 int i; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4479 nfa_state_T *p; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4480 |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4481 /* 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
|
4482 p = &prog->state[0]; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4483 for (i = prog->nstate; --i >= 0; ) |
4444 | 4484 { |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4485 list[i] = p->lastlist[1]; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4486 p->lastlist[1] = 0; |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4487 ++p; |
4444 | 4488 } |
4489 } | |
4490 | |
4491 /* | |
4492 * Restore list IDs from "list" to all NFA states. | |
4493 */ | |
4494 static void | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4495 nfa_restore_listids(prog, list) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4496 nfa_regprog_T *prog; |
4444 | 4497 int *list; |
4498 { | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4499 int i; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4500 nfa_state_T *p; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4501 |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4502 p = &prog->state[0]; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4503 for (i = prog->nstate; --i >= 0; ) |
4444 | 4504 { |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4505 p->lastlist[1] = list[i]; |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4506 ++p; |
4444 | 4507 } |
4508 } | |
4509 | |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4510 static int |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4511 nfa_re_num_cmp(val, op, pos) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4512 long_u val; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4513 int op; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4514 long_u pos; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4515 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4516 if (op == 1) return pos > val; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4517 if (op == 2) return pos < val; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4518 return val == pos; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4519 } |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4520 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4521 static int recursive_regmatch __ARGS((nfa_state_T *state, nfa_pim_T *pim, 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
|
4522 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
|
4523 |
4444 | 4524 /* |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4525 * Recursively call nfa_regmatch() |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4526 * "pim" is NULL or contains info about a Postponed Invisible Match (start |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4527 * position). |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4528 */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4529 static int |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4530 recursive_regmatch(state, pim, prog, submatch, m, listids) |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4531 nfa_state_T *state; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4532 nfa_pim_T *pim; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4533 nfa_regprog_T *prog; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4534 regsubs_T *submatch; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4535 regsubs_T *m; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4536 int **listids; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4537 { |
4887
dc78a26f6f64
updated for version 7.3.1189
Bram Moolenaar <bram@vim.org>
parents:
4879
diff
changeset
|
4538 int save_reginput_col = (int)(reginput - regline); |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4539 int save_reglnum = reglnum; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4540 int save_nfa_match = nfa_match; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4541 int save_nfa_listid = nfa_listid; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4542 save_se_T *save_nfa_endp = nfa_endp; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4543 save_se_T endpos; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4544 save_se_T *endposp = NULL; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4545 int result; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4546 int need_restore = FALSE; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4547 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4548 if (pim != NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4549 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4550 /* start at the position where the postponed match was */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4551 if (REG_MULTI) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4552 reginput = regline + pim->end.pos.col; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4553 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4554 reginput = pim->end.ptr; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4555 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4556 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4557 if (state->c == NFA_START_INVISIBLE_BEFORE |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4558 || state->c == NFA_START_INVISIBLE_BEFORE_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4559 || state->c == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4560 || state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST) |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4561 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4562 /* The recursive match must end at the current position. When "pim" is |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4563 * not NULL it specifies the current position. */ |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4564 endposp = &endpos; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4565 if (REG_MULTI) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4566 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4567 if (pim == NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4568 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4569 endpos.se_u.pos.col = (int)(reginput - regline); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4570 endpos.se_u.pos.lnum = reglnum; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4571 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4572 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4573 endpos.se_u.pos = pim->end.pos; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4574 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4575 else |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4576 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4577 if (pim == NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4578 endpos.se_u.ptr = reginput; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4579 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4580 endpos.se_u.ptr = pim->end.ptr; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4581 } |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4582 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4583 /* 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
|
4584 * 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
|
4585 * 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
|
4586 * bytes if possible. */ |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4587 if (state->val <= 0) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4588 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4589 if (REG_MULTI) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4590 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4591 regline = reg_getline(--reglnum); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4592 if (regline == NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4593 /* can't go before the first line */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4594 regline = reg_getline(++reglnum); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4595 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4596 reginput = regline; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4597 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4598 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4599 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4600 if (REG_MULTI && (int)(reginput - regline) < state->val) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4601 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4602 /* 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
|
4603 * previous line. */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4604 regline = reg_getline(--reglnum); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4605 if (regline == NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4606 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4607 /* can't go before the first line */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4608 regline = reg_getline(++reglnum); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4609 reginput = regline; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4610 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4611 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4612 reginput = regline + STRLEN(regline); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4613 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4614 if ((int)(reginput - regline) >= state->val) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4615 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4616 reginput -= state->val; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4617 #ifdef FEAT_MBYTE |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4618 if (has_mbyte) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4619 reginput -= mb_head_off(regline, reginput); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4620 #endif |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4621 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4622 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4623 reginput = regline; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4624 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4625 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4626 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4627 #ifdef ENABLE_LOG |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4628 if (log_fd != stderr) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4629 fclose(log_fd); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4630 log_fd = NULL; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4631 #endif |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4632 /* 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
|
4633 * 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
|
4634 if (nfa_ll_index == 1) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4635 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4636 /* 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
|
4637 * values and clear them. */ |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4638 if (*listids == NULL) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4639 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4640 *listids = (int *)lalloc(sizeof(int) * nstate, TRUE); |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4641 if (*listids == NULL) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4642 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4643 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
|
4644 return 0; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4645 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4646 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4647 nfa_save_listids(prog, *listids); |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4648 need_restore = TRUE; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4649 /* any value of nfa_listid will do */ |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4650 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4651 else |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4652 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4653 /* 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
|
4654 * 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
|
4655 * 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
|
4656 ++nfa_ll_index; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4657 if (nfa_listid <= nfa_alt_listid) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4658 nfa_listid = nfa_alt_listid; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4659 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4660 |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4661 /* 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
|
4662 * 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
|
4663 nfa_endp = endposp; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4664 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
|
4665 |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4666 if (need_restore) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4667 nfa_restore_listids(prog, *listids); |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4668 else |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4669 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4670 --nfa_ll_index; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4671 nfa_alt_listid = nfa_listid; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4672 } |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4673 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4674 /* restore position in input text */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4675 reglnum = save_reglnum; |
4877
9e36c6b1ebf4
updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents:
4845
diff
changeset
|
4676 if (REG_MULTI) |
9e36c6b1ebf4
updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents:
4845
diff
changeset
|
4677 regline = reg_getline(reglnum); |
4887
dc78a26f6f64
updated for version 7.3.1189
Bram Moolenaar <bram@vim.org>
parents:
4879
diff
changeset
|
4678 reginput = regline + save_reginput_col; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4679 nfa_match = save_nfa_match; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4680 nfa_endp = save_nfa_endp; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4681 nfa_listid = save_nfa_listid; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4682 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4683 #ifdef ENABLE_LOG |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4684 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4685 if (log_fd != NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4686 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4687 fprintf(log_fd, "****************************\n"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4688 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
|
4689 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
|
4690 fprintf(log_fd, "****************************\n"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4691 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4692 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4693 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4694 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
|
4695 log_fd = stderr; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4696 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4697 #endif |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4698 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4699 return result; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4700 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4701 |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4702 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
|
4703 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
|
4704 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4705 /* |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4706 * Estimate the chance of a match with "state" failing. |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
4707 * empty match: 0 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4708 * NFA_ANY: 1 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4709 * specific character: 99 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4710 */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4711 static int |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4712 failure_chance(state, depth) |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4713 nfa_state_T *state; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4714 int depth; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4715 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4716 int c = state->c; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4717 int l, r; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4718 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4719 /* detect looping */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4720 if (depth > 4) |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4721 return 1; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4722 |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4723 switch (c) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4724 { |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4725 case NFA_SPLIT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4726 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
|
4727 /* avoid recursive stuff */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4728 return 1; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4729 /* two alternatives, use the lowest failure chance */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4730 l = failure_chance(state->out, depth + 1); |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4731 r = failure_chance(state->out1, depth + 1); |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4732 return l < r ? l : r; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4733 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4734 case NFA_ANY: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4735 /* matches anything, unlikely to fail */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4736 return 1; |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
4737 |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4738 case NFA_MATCH: |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
4739 case NFA_MCLOSE: |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4740 /* empty match works always */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4741 return 0; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4742 |
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4743 case NFA_START_INVISIBLE: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4744 case NFA_START_INVISIBLE_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4745 case NFA_START_INVISIBLE_NEG: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4746 case NFA_START_INVISIBLE_NEG_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4747 case NFA_START_INVISIBLE_BEFORE: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4748 case NFA_START_INVISIBLE_BEFORE_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4749 case NFA_START_INVISIBLE_BEFORE_NEG: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4750 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4751 case NFA_START_PATTERN: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4752 /* recursive regmatch is expensive, use low failure chance */ |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4753 return 5; |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
4754 |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4755 case NFA_BOL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4756 case NFA_EOL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4757 case NFA_BOF: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4758 case NFA_EOF: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4759 case NFA_NEWL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4760 return 99; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4761 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4762 case NFA_BOW: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4763 case NFA_EOW: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4764 return 90; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4765 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4766 case NFA_MOPEN: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4767 case NFA_MOPEN1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4768 case NFA_MOPEN2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4769 case NFA_MOPEN3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4770 case NFA_MOPEN4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4771 case NFA_MOPEN5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4772 case NFA_MOPEN6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4773 case NFA_MOPEN7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4774 case NFA_MOPEN8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4775 case NFA_MOPEN9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4776 #ifdef FEAT_SYN_HL |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4777 case NFA_ZOPEN: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4778 case NFA_ZOPEN1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4779 case NFA_ZOPEN2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4780 case NFA_ZOPEN3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4781 case NFA_ZOPEN4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4782 case NFA_ZOPEN5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4783 case NFA_ZOPEN6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4784 case NFA_ZOPEN7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4785 case NFA_ZOPEN8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4786 case NFA_ZOPEN9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4787 case NFA_ZCLOSE: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4788 case NFA_ZCLOSE1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4789 case NFA_ZCLOSE2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4790 case NFA_ZCLOSE3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4791 case NFA_ZCLOSE4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4792 case NFA_ZCLOSE5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4793 case NFA_ZCLOSE6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4794 case NFA_ZCLOSE7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4795 case NFA_ZCLOSE8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4796 case NFA_ZCLOSE9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4797 #endif |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4798 case NFA_NOPEN: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4799 case NFA_MCLOSE1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4800 case NFA_MCLOSE2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4801 case NFA_MCLOSE3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4802 case NFA_MCLOSE4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4803 case NFA_MCLOSE5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4804 case NFA_MCLOSE6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4805 case NFA_MCLOSE7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4806 case NFA_MCLOSE8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4807 case NFA_MCLOSE9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4808 case NFA_NCLOSE: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4809 return failure_chance(state->out, depth + 1); |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4810 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4811 case NFA_BACKREF1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4812 case NFA_BACKREF2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4813 case NFA_BACKREF3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4814 case NFA_BACKREF4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4815 case NFA_BACKREF5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4816 case NFA_BACKREF6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4817 case NFA_BACKREF7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4818 case NFA_BACKREF8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4819 case NFA_BACKREF9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4820 #ifdef FEAT_SYN_HL |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4821 case NFA_ZREF1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4822 case NFA_ZREF2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4823 case NFA_ZREF3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4824 case NFA_ZREF4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4825 case NFA_ZREF5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4826 case NFA_ZREF6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4827 case NFA_ZREF7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4828 case NFA_ZREF8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4829 case NFA_ZREF9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4830 #endif |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4831 /* backreferences don't match in many places */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4832 return 94; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4833 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4834 case NFA_LNUM_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4835 case NFA_LNUM_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4836 case NFA_COL_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4837 case NFA_COL_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4838 case NFA_VCOL_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4839 case NFA_VCOL_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4840 case NFA_MARK_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4841 case NFA_MARK_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4842 case NFA_VISUAL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4843 /* before/after positions don't match very often */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4844 return 85; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4845 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4846 case NFA_LNUM: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4847 return 90; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4848 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4849 case NFA_CURSOR: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4850 case NFA_COL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4851 case NFA_VCOL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4852 case NFA_MARK: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4853 /* specific positions rarely match */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4854 return 98; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4855 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4856 case NFA_COMPOSING: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4857 return 95; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4858 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4859 default: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4860 if (c > 0) |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4861 /* character match fails often */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4862 return 95; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4863 } |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4864 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
4865 /* something else, includes character classes */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4866 return 50; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4867 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4868 |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4869 /* |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4870 * 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
|
4871 */ |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4872 static int |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4873 skip_to_start(c, colp) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4874 int c; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4875 colnr_T *colp; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4876 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4877 char_u *s; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4878 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4879 /* 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
|
4880 if (!ireg_ic |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4881 #ifdef FEAT_MBYTE |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4882 && !has_mbyte |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4883 #endif |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4884 ) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4885 s = vim_strbyte(regline + *colp, c); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4886 else |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4887 s = cstrchr(regline + *colp, c); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4888 if (s == NULL) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4889 return FAIL; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4890 *colp = (int)(s - regline); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4891 return OK; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4892 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4893 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
4894 /* |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4895 * Check for a match with match_text. |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
4896 * 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
|
4897 * 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
|
4898 */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4899 static long |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4900 find_match_text(startcol, regstart, match_text) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4901 colnr_T startcol; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4902 int regstart; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4903 char_u *match_text; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4904 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4905 colnr_T col = startcol; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4906 int c1, c2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4907 int len1, len2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4908 int match; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4909 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4910 for (;;) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4911 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4912 match = TRUE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4913 len2 = MB_CHAR2LEN(regstart); /* skip regstart */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4914 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
|
4915 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4916 c1 = PTR2CHAR(match_text + len1); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4917 c2 = PTR2CHAR(regline + col + len2); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4918 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
|
4919 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4920 match = FALSE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4921 break; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4922 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4923 len2 += MB_CHAR2LEN(c2); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4924 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4925 if (match |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4926 #ifdef FEAT_MBYTE |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4927 /* check that no composing char follows */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4928 && !(enc_utf8 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4929 && utf_iscomposing(PTR2CHAR(regline + col + len2))) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4930 #endif |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4931 ) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4932 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4933 cleanup_subexpr(); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4934 if (REG_MULTI) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4935 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4936 reg_startpos[0].lnum = reglnum; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4937 reg_startpos[0].col = col; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4938 reg_endpos[0].lnum = reglnum; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4939 reg_endpos[0].col = col + len2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4940 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4941 else |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4942 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4943 reg_startp[0] = regline + col; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4944 reg_endp[0] = regline + col + len2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4945 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4946 return 1L; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4947 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4948 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4949 /* Try finding regstart after the current match. */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4950 col += MB_CHAR2LEN(regstart); /* skip regstart */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4951 if (skip_to_start(regstart, &col) == FAIL) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4952 break; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4953 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4954 return 0L; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4955 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4956 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
4957 /* |
4444 | 4958 * Main matching routine. |
4959 * | |
4960 * Run NFA to determine whether it matches reginput. | |
4961 * | |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4962 * 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
|
4963 * |
4444 | 4964 * Return TRUE if there is a match, FALSE otherwise. |
4965 * Note: Caller must ensure that: start != NULL. | |
4966 */ | |
4967 static int | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4968 nfa_regmatch(prog, start, submatch, m) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4969 nfa_regprog_T *prog; |
4444 | 4970 nfa_state_T *start; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4971 regsubs_T *submatch; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4972 regsubs_T *m; |
4444 | 4973 { |
4974 int result; | |
4975 int size = 0; | |
4976 int flag = 0; | |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4977 int go_to_nextline = FALSE; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4978 nfa_thread_T *t; |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
4979 nfa_list_T list[2]; |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
4980 int listidx; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4981 nfa_list_T *thislist; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4982 nfa_list_T *nextlist; |
4444 | 4983 int *listids = NULL; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4984 nfa_state_T *add_state; |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
4985 int add_here; |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4986 int add_count; |
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
4987 int add_off = 0; |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
4988 int toplevel = start->c == NFA_MOPEN; |
4460 | 4989 #ifdef NFA_REGEXP_DEBUG_LOG |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4990 FILE *debug = fopen(NFA_REGEXP_DEBUG_LOG, "a"); |
4444 | 4991 |
4992 if (debug == NULL) | |
4993 { | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
4994 EMSG2(_("(NFA) COULD NOT OPEN %s !"), NFA_REGEXP_DEBUG_LOG); |
4444 | 4995 return FALSE; |
4996 } | |
4997 #endif | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4998 nfa_match = FALSE; |
4444 | 4999 |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
5000 /* Allocate memory for the lists of nodes. */ |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5001 size = (nstate + 1) * sizeof(nfa_thread_T); |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5002 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
|
5003 list[0].len = nstate + 1; |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5004 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
|
5005 list[1].len = nstate + 1; |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5006 if (list[0].t == NULL || list[1].t == NULL) |
4444 | 5007 goto theend; |
5008 | |
5009 #ifdef ENABLE_LOG | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5010 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
4444 | 5011 if (log_fd != NULL) |
5012 { | |
5013 fprintf(log_fd, "**********************************\n"); | |
5014 nfa_set_code(start->c); | |
5015 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n", | |
5016 abs(start->id), code); | |
5017 fprintf(log_fd, "**********************************\n"); | |
5018 } | |
5019 else | |
5020 { | |
5021 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... ")); | |
5022 log_fd = stderr; | |
5023 } | |
5024 #endif | |
5025 | |
5026 thislist = &list[0]; | |
5027 thislist->n = 0; | |
5028 nextlist = &list[1]; | |
5029 nextlist->n = 0; | |
5030 #ifdef ENABLE_LOG | |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5031 fprintf(log_fd, "(---) STARTSTATE first\n"); |
4444 | 5032 #endif |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5033 thislist->id = nfa_listid + 1; |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5034 |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5035 /* 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
|
5036 * it's the first MOPEN. */ |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5037 if (toplevel) |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5038 { |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5039 if (REG_MULTI) |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5040 { |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5041 m->norm.list.multi[0].start.lnum = reglnum; |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5042 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
|
5043 } |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5044 else |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5045 m->norm.list.line[0].start = reginput; |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5046 m->norm.in_use = 1; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5047 addstate(thislist, start->out, m, NULL, 0); |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5048 } |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5049 else |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5050 addstate(thislist, start, m, NULL, 0); |
4444 | 5051 |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5052 #define ADD_STATE_IF_MATCH(state) \ |
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5053 if (result) { \ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5054 add_state = state->out; \ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5055 add_off = clen; \ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5056 } |
4444 | 5057 |
5058 /* | |
5059 * Run for each character. | |
5060 */ | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5061 for (;;) |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5062 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5063 int curc; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5064 int clen; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5065 |
4444 | 5066 #ifdef FEAT_MBYTE |
5067 if (has_mbyte) | |
5068 { | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5069 curc = (*mb_ptr2char)(reginput); |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5070 clen = (*mb_ptr2len)(reginput); |
4444 | 5071 } |
5072 else | |
5073 #endif | |
5074 { | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5075 curc = *reginput; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5076 clen = 1; |
4444 | 5077 } |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5078 if (curc == NUL) |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5079 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5080 clen = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5081 go_to_nextline = FALSE; |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5082 } |
4444 | 5083 |
5084 /* swap lists */ | |
5085 thislist = &list[flag]; | |
5086 nextlist = &list[flag ^= 1]; | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5087 nextlist->n = 0; /* clear nextlist */ |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5088 ++nfa_listid; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5089 thislist->id = nfa_listid; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5090 nextlist->id = nfa_listid + 1; |
4444 | 5091 |
5092 #ifdef ENABLE_LOG | |
5093 fprintf(log_fd, "------------------------------------------\n"); | |
5094 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
|
5095 fprintf(log_fd, ">>> Advanced one character ... Current char is %c (code %d) \n", curc, (int)curc); |
4444 | 5096 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
|
5097 { |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5098 int i; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5099 |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5100 for (i = 0; i < thislist->n; i++) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5101 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
|
5102 } |
4444 | 5103 fprintf(log_fd, "\n"); |
5104 #endif | |
5105 | |
4460 | 5106 #ifdef NFA_REGEXP_DEBUG_LOG |
4444 | 5107 fprintf(debug, "\n-------------------\n"); |
5108 #endif | |
4480 | 5109 /* |
5110 * If the state lists are empty we can stop. | |
5111 */ | |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5112 if (thislist->n == 0) |
4480 | 5113 break; |
4444 | 5114 |
5115 /* compute nextlist */ | |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5116 for (listidx = 0; listidx < thislist->n; ++listidx) |
4444 | 5117 { |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5118 t = &thislist->t[listidx]; |
4444 | 5119 |
4460 | 5120 #ifdef NFA_REGEXP_DEBUG_LOG |
4444 | 5121 nfa_set_code(t->state->c); |
5122 fprintf(debug, "%s, ", code); | |
5123 #endif | |
5124 #ifdef ENABLE_LOG | |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5125 { |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5126 int col; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5127 |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5128 if (t->subs.norm.in_use <= 0) |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5129 col = -1; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5130 else if (REG_MULTI) |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5131 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
|
5132 else |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5133 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
|
5134 nfa_set_code(t->state->c); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5135 fprintf(log_fd, "(%d) char %d %s (start col %d)%s ... \n", |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5136 abs(t->state->id), (int)t->state->c, code, col, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5137 pim_info(&t->pim)); |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5138 } |
4444 | 5139 #endif |
5140 | |
5141 /* | |
5142 * Handle the possible codes of the current state. | |
5143 * The most important is NFA_MATCH. | |
5144 */ | |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5145 add_state = NULL; |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5146 add_here = FALSE; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5147 add_count = 0; |
4444 | 5148 switch (t->state->c) |
5149 { | |
5150 case NFA_MATCH: | |
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5151 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5152 nfa_match = TRUE; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5153 copy_sub(&submatch->norm, &t->subs.norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5154 #ifdef FEAT_SYN_HL |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5155 if (nfa_has_zsubexpr) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5156 copy_sub(&submatch->synt, &t->subs.synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5157 #endif |
4444 | 5158 #ifdef ENABLE_LOG |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5159 log_subsexpr(&t->subs); |
4444 | 5160 #endif |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5161 /* 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
|
5162 * 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
|
5163 * 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
|
5164 * correct. */ |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5165 if (nextlist->n == 0) |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5166 clen = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5167 goto nextchar; |
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5168 } |
4444 | 5169 |
5170 case NFA_END_INVISIBLE: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5171 case NFA_END_INVISIBLE_NEG: |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5172 case NFA_END_PATTERN: |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5173 /* |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5174 * 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
|
5175 * NFA_START_INVISIBLE_BEFORE node. |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5176 * They surround a zero-width group, used with "\@=", "\&", |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5177 * "\@!", "\@<=" and "\@<!". |
4444 | 5178 * If we got here, it means that the current "invisible" group |
5179 * 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
|
5180 * 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
|
5181 * in the position in "nfa_endp". |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5182 * 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
|
5183 */ |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5184 #ifdef ENABLE_LOG |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5185 if (nfa_endp != NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5186 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5187 if (REG_MULTI) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5188 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
|
5189 (int)reglnum, |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5190 (int)nfa_endp->se_u.pos.lnum, |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5191 (int)(reginput - regline), |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5192 nfa_endp->se_u.pos.col); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5193 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5194 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
|
5195 (int)(reginput - regline), |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5196 (int)(nfa_endp->se_u.ptr - reginput)); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5197 } |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5198 #endif |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5199 /* 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
|
5200 * "nfa_endp" */ |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5201 if (nfa_endp != NULL && (REG_MULTI |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5202 ? (reglnum != nfa_endp->se_u.pos.lnum |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5203 || (int)(reginput - regline) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5204 != nfa_endp->se_u.pos.col) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5205 : reginput != nfa_endp->se_u.ptr)) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5206 break; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5207 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5208 /* do not set submatches for \@! */ |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5209 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
|
5210 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5211 copy_sub(&m->norm, &t->subs.norm); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5212 #ifdef FEAT_SYN_HL |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5213 if (nfa_has_zsubexpr) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5214 copy_sub(&m->synt, &t->subs.synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5215 #endif |
4444 | 5216 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5217 #ifdef ENABLE_LOG |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5218 fprintf(log_fd, "Match found:\n"); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5219 log_subsexpr(m); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5220 #endif |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5221 nfa_match = TRUE; |
4444 | 5222 break; |
5223 | |
5224 case NFA_START_INVISIBLE: | |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5225 case NFA_START_INVISIBLE_FIRST: |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5226 case NFA_START_INVISIBLE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5227 case NFA_START_INVISIBLE_NEG_FIRST: |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5228 case NFA_START_INVISIBLE_BEFORE: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5229 case NFA_START_INVISIBLE_BEFORE_FIRST: |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5230 case NFA_START_INVISIBLE_BEFORE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5231 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
4444 | 5232 { |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5233 #ifdef ENABLE_LOG |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5234 fprintf(log_fd, "Failure chance invisible: %d, what follows: %d\n", |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5235 failure_chance(t->state->out, 0), |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5236 failure_chance(t->state->out1->out, 0)); |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5237 #endif |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5238 /* Do it directly if there already is a PIM or when |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5239 * nfa_postprocess() detected it will work better. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5240 if (t->pim.result != NFA_PIM_UNUSED |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5241 || t->state->c == NFA_START_INVISIBLE_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5242 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5243 || t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5244 || t->state->c == NFA_START_INVISIBLE_BEFORE_NEG_FIRST) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5245 { |
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5246 int in_use = m->norm.in_use; |
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5247 |
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5248 /* Copy submatch info for the recursive call, so that |
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5249 * \1 can be matched. */ |
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5250 copy_sub_off(&m->norm, &t->subs.norm); |
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5251 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5252 /* |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5253 * First try matching the invisible match, then what |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5254 * follows. |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5255 */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5256 result = recursive_regmatch(t->state, NULL, prog, |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5257 submatch, m, &listids); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5258 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5259 /* 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
|
5260 * FALSE */ |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5261 if (result != (t->state->c == NFA_START_INVISIBLE_NEG |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5262 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5263 || t->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5264 == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5265 || t->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5266 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5267 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5268 /* Copy submatch info from the recursive call */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5269 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
|
5270 #ifdef FEAT_SYN_HL |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5271 if (nfa_has_zsubexpr) |
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5272 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
|
5273 #endif |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5274 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5275 /* t->state->out1 is the corresponding |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5276 * 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
|
5277 * list (zero-width match). */ |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5278 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5279 add_state = t->state->out1->out; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5280 } |
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5281 m->norm.in_use = in_use; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5282 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5283 else |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5284 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5285 nfa_pim_T pim; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5286 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5287 /* |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5288 * First try matching what follows. Only if a match |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5289 * is found verify the invisible match matches. Add a |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5290 * nfa_pim_T to the following states, it contains info |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5291 * about the invisible match. |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5292 */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5293 pim.state = t->state; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5294 pim.result = NFA_PIM_TODO; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5295 pim.subs.norm.in_use = 0; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5296 #ifdef FEAT_SYN_HL |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5297 pim.subs.synt.in_use = 0; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5298 #endif |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5299 if (REG_MULTI) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5300 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5301 pim.end.pos.col = (int)(reginput - regline); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5302 pim.end.pos.lnum = reglnum; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5303 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5304 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5305 pim.end.ptr = reginput; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5306 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5307 /* t->state->out1 is the corresponding END_INVISIBLE |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5308 * 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
|
5309 * match). */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5310 addstate_here(thislist, t->state->out1->out, &t->subs, |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5311 &pim, &listidx); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5312 } |
4444 | 5313 } |
5314 break; | |
5315 | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5316 case NFA_START_PATTERN: |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5317 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5318 nfa_state_T *skip = NULL; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5319 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5320 int skip_lid = 0; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5321 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5322 |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5323 /* 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
|
5324 * 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
|
5325 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
|
5326 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5327 skip = t->state->out1->out; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5328 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5329 skip_lid = nextlist->id; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5330 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5331 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5332 else if (state_in_list(nextlist, |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5333 t->state->out1->out->out, &t->subs)) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5334 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5335 skip = t->state->out1->out->out; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5336 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5337 skip_lid = nextlist->id; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5338 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5339 } |
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5340 else if (state_in_list(thislist, |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5341 t->state->out1->out->out, &t->subs)) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5342 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5343 skip = t->state->out1->out->out; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5344 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5345 skip_lid = thislist->id; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5346 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5347 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5348 if (skip != NULL) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5349 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5350 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5351 nfa_set_code(skip->c); |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5352 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
|
5353 abs(skip->id), skip_lid, skip->c, code); |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5354 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5355 break; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5356 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5357 |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5358 /* First try matching the pattern. */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5359 result = recursive_regmatch(t->state, NULL, prog, |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5360 submatch, m, &listids); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5361 if (result) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5362 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5363 int bytelen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5364 |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5365 #ifdef ENABLE_LOG |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5366 fprintf(log_fd, "NFA_START_PATTERN matches:\n"); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5367 log_subsexpr(m); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5368 #endif |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5369 /* Copy submatch info from the recursive call */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5370 copy_sub_off(&t->subs.norm, &m->norm); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5371 #ifdef FEAT_SYN_HL |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5372 if (nfa_has_zsubexpr) |
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5373 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
|
5374 #endif |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5375 /* 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
|
5376 * continue with what follows. */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5377 if (REG_MULTI) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5378 /* TODO: multi-line match */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5379 bytelen = m->norm.list.multi[0].end.col |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5380 - (int)(reginput - regline); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5381 else |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5382 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
|
5383 |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5384 #ifdef ENABLE_LOG |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5385 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
|
5386 #endif |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5387 if (bytelen == 0) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5388 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5389 /* empty match, output of corresponding |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5390 * 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
|
5391 * position */ |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5392 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5393 add_state = t->state->out1->out->out; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5394 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5395 else if (bytelen <= clen) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5396 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5397 /* match current character, output of corresponding |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5398 * 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
|
5399 add_state = t->state->out1->out->out; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5400 add_off = clen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5401 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5402 else |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5403 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5404 /* skip over the matched characters, set character |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5405 * count in NFA_SKIP */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5406 add_state = t->state->out1->out; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5407 add_off = bytelen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5408 add_count = bytelen - clen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5409 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5410 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5411 break; |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5412 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5413 |
4444 | 5414 case NFA_BOL: |
5415 if (reginput == regline) | |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5416 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5417 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5418 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5419 } |
4444 | 5420 break; |
5421 | |
5422 case NFA_EOL: | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5423 if (curc == NUL) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5424 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5425 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5426 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5427 } |
4444 | 5428 break; |
5429 | |
5430 case NFA_BOW: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5431 result = TRUE; |
4444 | 5432 |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5433 if (curc == NUL) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5434 result = FALSE; |
4444 | 5435 #ifdef FEAT_MBYTE |
5436 else if (has_mbyte) | |
5437 { | |
5438 int this_class; | |
5439 | |
5440 /* Get class of current and previous char (if it exists). */ | |
4503 | 5441 this_class = mb_get_class_buf(reginput, reg_buf); |
4444 | 5442 if (this_class <= 1) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5443 result = FALSE; |
4444 | 5444 else if (reg_prev_class() == this_class) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5445 result = FALSE; |
4444 | 5446 } |
5447 #endif | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5448 else if (!vim_iswordc_buf(curc, reg_buf) |
4503 | 5449 || (reginput > regline |
5450 && vim_iswordc_buf(reginput[-1], reg_buf))) | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5451 result = FALSE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5452 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5453 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5454 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5455 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5456 } |
4444 | 5457 break; |
5458 | |
5459 case NFA_EOW: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5460 result = TRUE; |
4444 | 5461 if (reginput == regline) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5462 result = FALSE; |
4444 | 5463 #ifdef FEAT_MBYTE |
5464 else if (has_mbyte) | |
5465 { | |
5466 int this_class, prev_class; | |
5467 | |
5468 /* Get class of current and previous char (if it exists). */ | |
4503 | 5469 this_class = mb_get_class_buf(reginput, reg_buf); |
4444 | 5470 prev_class = reg_prev_class(); |
5471 if (this_class == prev_class | |
5472 || prev_class == 0 || prev_class == 1) | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5473 result = FALSE; |
4444 | 5474 } |
5475 #endif | |
4503 | 5476 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
|
5477 || (reginput[0] != NUL |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5478 && vim_iswordc_buf(curc, reg_buf))) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5479 result = FALSE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5480 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5481 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5482 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5483 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5484 } |
4444 | 5485 break; |
5486 | |
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5487 case NFA_BOF: |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5488 if (reglnum == 0 && reginput == regline |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5489 && (!REG_MULTI || reg_firstlnum == 1)) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5490 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5491 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5492 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5493 } |
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5494 break; |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5495 |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5496 case NFA_EOF: |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5497 if (reglnum == reg_maxline && curc == NUL) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5498 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5499 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5500 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5501 } |
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5502 break; |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
5503 |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5504 #ifdef FEAT_MBYTE |
4444 | 5505 case NFA_COMPOSING: |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5506 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5507 int mc = curc; |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5508 int len = 0; |
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5509 nfa_state_T *end; |
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5510 nfa_state_T *sta; |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5511 int cchars[MAX_MCO]; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5512 int ccount = 0; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5513 int j; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5514 |
4444 | 5515 sta = t->state->out; |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5516 len = 0; |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5517 if (utf_iscomposing(sta->c)) |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5518 { |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5519 /* Only match composing character(s), ignore base |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5520 * character. Used for ".{composing}" and "{composing}" |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5521 * (no preceding character). */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5522 len += mb_char2len(mc); |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5523 } |
4551
f0c37f5cf4ea
updated for version 7.3.1023
Bram Moolenaar <bram@vim.org>
parents:
4549
diff
changeset
|
5524 if (ireg_icombine && len == 0) |
4444 | 5525 { |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5526 /* If \Z was present, then ignore composing characters. |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
5527 * 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
|
5528 if (len == 0 && sta->c != curc) |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5529 result = FAIL; |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5530 else |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5531 result = OK; |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5532 while (sta->c != NFA_END_COMPOSING) |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5533 sta = sta->out; |
4444 | 5534 } |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5535 |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5536 /* Check base character matches first, unless ignored. */ |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5537 else if (len > 0 || mc == sta->c) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5538 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5539 if (len == 0) |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5540 { |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5541 len += mb_char2len(mc); |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5542 sta = sta->out; |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
5543 } |
4444 | 5544 |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5545 /* 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
|
5546 * Get them into cchars[] first. */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5547 while (len < clen) |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5548 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5549 mc = mb_ptr2char(reginput + len); |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5550 cchars[ccount++] = mc; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5551 len += mb_char2len(mc); |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5552 if (ccount == MAX_MCO) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5553 break; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5554 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5555 |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5556 /* 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
|
5557 * 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
|
5558 * composing chars are matched. */ |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5559 result = OK; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5560 while (sta->c != NFA_END_COMPOSING) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5561 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5562 for (j = 0; j < ccount; ++j) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5563 if (cchars[j] == sta->c) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5564 break; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5565 if (j == ccount) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5566 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5567 result = FAIL; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5568 break; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5569 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5570 sta = sta->out; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5571 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5572 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5573 else |
4525
36ddcf4cecbc
updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents:
4517
diff
changeset
|
5574 result = FAIL; |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
5575 |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5576 end = t->state->out1; /* NFA_END_COMPOSING */ |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5577 ADD_STATE_IF_MATCH(end); |
4444 | 5578 break; |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5579 } |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5580 #endif |
4444 | 5581 |
5582 case NFA_NEWL: | |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5583 if (curc == NUL && !reg_line_lbr && REG_MULTI |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5584 && reglnum <= reg_maxline) |
4444 | 5585 { |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5586 go_to_nextline = TRUE; |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5587 /* 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
|
5588 * at the start of the next line. */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5589 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5590 add_off = -1; |
4444 | 5591 } |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5592 else if (curc == '\n' && reg_line_lbr) |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5593 { |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5594 /* 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
|
5595 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5596 add_off = 1; |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
5597 } |
4444 | 5598 break; |
5599 | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5600 case NFA_START_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5601 case NFA_START_NEG_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5602 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5603 /* 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
|
5604 * 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
|
5605 nfa_state_T *state; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5606 int result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5607 int c1, c2; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5608 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5609 /* 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
|
5610 * as a separate state with an OR. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5611 if (curc == NUL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5612 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5613 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5614 state = t->state->out; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5615 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
|
5616 for (;;) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5617 { |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5618 if (state->c == NFA_END_COLL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5619 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5620 result = !result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5621 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5622 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5623 if (state->c == NFA_RANGE_MIN) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5624 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5625 c1 = state->val; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5626 state = state->out; /* advance to NFA_RANGE_MAX */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5627 c2 = state->val; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5628 #ifdef ENABLE_LOG |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5629 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
|
5630 curc, c1, c2); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5631 #endif |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5632 if (curc >= c1 && curc <= c2) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5633 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5634 result = result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5635 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5636 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5637 if (ireg_ic) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5638 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5639 int curc_low = MB_TOLOWER(curc); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5640 int done = FALSE; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5641 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5642 for ( ; c1 <= c2; ++c1) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5643 if (MB_TOLOWER(c1) == curc_low) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5644 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5645 result = result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5646 done = TRUE; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5647 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5648 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5649 if (done) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5650 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5651 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5652 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5653 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
|
5654 : (curc == state->c |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5655 || (ireg_ic && MB_TOLOWER(curc) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5656 == MB_TOLOWER(state->c)))) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5657 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5658 result = result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5659 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5660 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5661 state = state->out; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5662 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5663 if (result) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5664 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5665 /* 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
|
5666 * START points to the END state */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5667 add_state = t->state->out1->out; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5668 add_off = clen; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5669 } |
4444 | 5670 break; |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
5671 } |
4444 | 5672 |
5673 case NFA_ANY: | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5674 /* 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
|
5675 if (curc > 0) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5676 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5677 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5678 add_off = clen; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5679 } |
4444 | 5680 break; |
5681 | |
5682 /* | |
5683 * Character classes like \a for alpha, \d for digit etc. | |
5684 */ | |
5685 case NFA_IDENT: /* \i */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5686 result = vim_isIDc(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5687 ADD_STATE_IF_MATCH(t->state); |
4444 | 5688 break; |
5689 | |
5690 case NFA_SIDENT: /* \I */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5691 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5692 ADD_STATE_IF_MATCH(t->state); |
4444 | 5693 break; |
5694 | |
5695 case NFA_KWORD: /* \k */ | |
4503 | 5696 result = vim_iswordp_buf(reginput, reg_buf); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5697 ADD_STATE_IF_MATCH(t->state); |
4444 | 5698 break; |
5699 | |
5700 case NFA_SKWORD: /* \K */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5701 result = !VIM_ISDIGIT(curc) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5702 && vim_iswordp_buf(reginput, reg_buf); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5703 ADD_STATE_IF_MATCH(t->state); |
4444 | 5704 break; |
5705 | |
5706 case NFA_FNAME: /* \f */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5707 result = vim_isfilec(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5708 ADD_STATE_IF_MATCH(t->state); |
4444 | 5709 break; |
5710 | |
5711 case NFA_SFNAME: /* \F */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5712 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5713 ADD_STATE_IF_MATCH(t->state); |
4444 | 5714 break; |
5715 | |
5716 case NFA_PRINT: /* \p */ | |
4470 | 5717 result = ptr2cells(reginput) == 1; |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5718 ADD_STATE_IF_MATCH(t->state); |
4444 | 5719 break; |
5720 | |
5721 case NFA_SPRINT: /* \P */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5722 result = !VIM_ISDIGIT(curc) && ptr2cells(reginput) == 1; |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5723 ADD_STATE_IF_MATCH(t->state); |
4444 | 5724 break; |
5725 | |
5726 case NFA_WHITE: /* \s */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5727 result = vim_iswhite(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5728 ADD_STATE_IF_MATCH(t->state); |
4444 | 5729 break; |
5730 | |
5731 case NFA_NWHITE: /* \S */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5732 result = curc != NUL && !vim_iswhite(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5733 ADD_STATE_IF_MATCH(t->state); |
4444 | 5734 break; |
5735 | |
5736 case NFA_DIGIT: /* \d */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5737 result = ri_digit(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5738 ADD_STATE_IF_MATCH(t->state); |
4444 | 5739 break; |
5740 | |
5741 case NFA_NDIGIT: /* \D */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5742 result = curc != NUL && !ri_digit(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5743 ADD_STATE_IF_MATCH(t->state); |
4444 | 5744 break; |
5745 | |
5746 case NFA_HEX: /* \x */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5747 result = ri_hex(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5748 ADD_STATE_IF_MATCH(t->state); |
4444 | 5749 break; |
5750 | |
5751 case NFA_NHEX: /* \X */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5752 result = curc != NUL && !ri_hex(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5753 ADD_STATE_IF_MATCH(t->state); |
4444 | 5754 break; |
5755 | |
5756 case NFA_OCTAL: /* \o */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5757 result = ri_octal(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5758 ADD_STATE_IF_MATCH(t->state); |
4444 | 5759 break; |
5760 | |
5761 case NFA_NOCTAL: /* \O */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5762 result = curc != NUL && !ri_octal(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5763 ADD_STATE_IF_MATCH(t->state); |
4444 | 5764 break; |
5765 | |
5766 case NFA_WORD: /* \w */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5767 result = ri_word(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5768 ADD_STATE_IF_MATCH(t->state); |
4444 | 5769 break; |
5770 | |
5771 case NFA_NWORD: /* \W */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5772 result = curc != NUL && !ri_word(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5773 ADD_STATE_IF_MATCH(t->state); |
4444 | 5774 break; |
5775 | |
5776 case NFA_HEAD: /* \h */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5777 result = ri_head(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5778 ADD_STATE_IF_MATCH(t->state); |
4444 | 5779 break; |
5780 | |
5781 case NFA_NHEAD: /* \H */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5782 result = curc != NUL && !ri_head(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5783 ADD_STATE_IF_MATCH(t->state); |
4444 | 5784 break; |
5785 | |
5786 case NFA_ALPHA: /* \a */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5787 result = ri_alpha(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5788 ADD_STATE_IF_MATCH(t->state); |
4444 | 5789 break; |
5790 | |
5791 case NFA_NALPHA: /* \A */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5792 result = curc != NUL && !ri_alpha(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5793 ADD_STATE_IF_MATCH(t->state); |
4444 | 5794 break; |
5795 | |
5796 case NFA_LOWER: /* \l */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5797 result = ri_lower(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5798 ADD_STATE_IF_MATCH(t->state); |
4444 | 5799 break; |
5800 | |
5801 case NFA_NLOWER: /* \L */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5802 result = curc != NUL && !ri_lower(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5803 ADD_STATE_IF_MATCH(t->state); |
4444 | 5804 break; |
5805 | |
5806 case NFA_UPPER: /* \u */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5807 result = ri_upper(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5808 ADD_STATE_IF_MATCH(t->state); |
4444 | 5809 break; |
5810 | |
5811 case NFA_NUPPER: /* \U */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5812 result = curc != NUL && !ri_upper(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5813 ADD_STATE_IF_MATCH(t->state); |
4444 | 5814 break; |
5815 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5816 case NFA_BACKREF1: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5817 case NFA_BACKREF2: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5818 case NFA_BACKREF3: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5819 case NFA_BACKREF4: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5820 case NFA_BACKREF5: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5821 case NFA_BACKREF6: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5822 case NFA_BACKREF7: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5823 case NFA_BACKREF8: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5824 case NFA_BACKREF9: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5825 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5826 case NFA_ZREF1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5827 case NFA_ZREF2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5828 case NFA_ZREF3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5829 case NFA_ZREF4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5830 case NFA_ZREF5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5831 case NFA_ZREF6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5832 case NFA_ZREF7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5833 case NFA_ZREF8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5834 case NFA_ZREF9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5835 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5836 /* \1 .. \9 \z1 .. \z9 */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5837 { |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5838 int subidx; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5839 int bytelen; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5840 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5841 if (t->state->c <= NFA_BACKREF9) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5842 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5843 subidx = t->state->c - NFA_BACKREF1 + 1; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5844 result = match_backref(&t->subs.norm, subidx, &bytelen); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5845 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5846 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5847 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5848 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5849 subidx = t->state->c - NFA_ZREF1 + 1; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5850 result = match_zref(subidx, &bytelen); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5851 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5852 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5853 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5854 if (result) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5855 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5856 if (bytelen == 0) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5857 { |
4692
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
5858 /* 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
|
5859 * used next */ |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5860 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5861 add_state = t->state->out->out; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5862 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5863 else if (bytelen <= clen) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5864 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5865 /* match current character, jump ahead to out of |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5866 * NFA_SKIP */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5867 add_state = t->state->out->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5868 add_off = clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5869 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5870 else |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5871 { |
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
5872 /* skip over the matched characters, set character |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5873 * count in NFA_SKIP */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5874 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5875 add_off = bytelen; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5876 add_count = bytelen - clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5877 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5878 } |
4482 | 5879 break; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5880 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5881 case NFA_SKIP: |
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
5882 /* character of previous matching \1 .. \9 or \@> */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5883 if (t->count - clen <= 0) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5884 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5885 /* end of match, go to what follows */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5886 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5887 add_off = clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5888 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5889 else |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5890 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5891 /* add state again with decremented count */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5892 add_state = t->state; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5893 add_off = 0; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5894 add_count = t->count - clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5895 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5896 break; |
4482 | 5897 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5898 case NFA_LNUM: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5899 case NFA_LNUM_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5900 case NFA_LNUM_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5901 result = (REG_MULTI && |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5902 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
|
5903 (long_u)(reglnum + reg_firstlnum))); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5904 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5905 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5906 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5907 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5908 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5909 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5910 |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5911 case NFA_COL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5912 case NFA_COL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5913 case NFA_COL_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5914 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
|
5915 (long_u)(reginput - regline) + 1); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5916 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5917 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5918 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5919 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5920 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5921 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5922 |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5923 case NFA_VCOL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5924 case NFA_VCOL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5925 case NFA_VCOL_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5926 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
|
5927 (long_u)win_linetabsize( |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5928 reg_win == NULL ? curwin : reg_win, |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5929 regline, (colnr_T)(reginput - regline)) + 1); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5930 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5931 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5932 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5933 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5934 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5935 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5936 |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5937 case NFA_MARK: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5938 case NFA_MARK_GT: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5939 case NFA_MARK_LT: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5940 { |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5941 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
|
5942 |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5943 /* Compare the mark position to the match position. */ |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5944 result = (pos != NULL /* mark doesn't exist */ |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5945 && 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
|
5946 && (pos->lnum == reglnum + reg_firstlnum |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5947 ? (pos->col == (colnr_T)(reginput - regline) |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5948 ? t->state->c == NFA_MARK |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5949 : (pos->col < (colnr_T)(reginput - regline) |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5950 ? t->state->c == NFA_MARK_GT |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5951 : t->state->c == NFA_MARK_LT)) |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5952 : (pos->lnum < reglnum + reg_firstlnum |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5953 ? t->state->c == NFA_MARK_GT |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5954 : t->state->c == NFA_MARK_LT))); |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5955 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5956 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5957 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5958 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5959 } |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5960 break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5961 } |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
5962 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5963 case NFA_CURSOR: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5964 result = (reg_win != NULL |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5965 && (reglnum + reg_firstlnum == reg_win->w_cursor.lnum) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5966 && ((colnr_T)(reginput - regline) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5967 == reg_win->w_cursor.col)); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5968 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5969 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5970 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5971 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5972 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5973 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5974 |
4756
96f3348f9f11
updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents:
4750
diff
changeset
|
5975 case NFA_VISUAL: |
4738
66a9e8fa6f45
updated for version 7.3.1116
Bram Moolenaar <bram@vim.org>
parents:
4734
diff
changeset
|
5976 #ifdef FEAT_VISUAL |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5977 result = reg_match_visual(); |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5978 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5979 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5980 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5981 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5982 } |
4756
96f3348f9f11
updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents:
4750
diff
changeset
|
5983 #endif |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5984 break; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
5985 |
4444 | 5986 default: /* regular character */ |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5987 { |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5988 int c = t->state->c; |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5989 |
4482 | 5990 /* TODO: put this in #ifdef later */ |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5991 if (c < 0) |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5992 EMSGN("INTERNAL: Negative state char: %ld", c); |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5993 result = (c == curc); |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5994 |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5995 if (!result && ireg_ic) |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
5996 result = MB_TOLOWER(c) == MB_TOLOWER(curc); |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5997 #ifdef FEAT_MBYTE |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
5998 /* 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
|
5999 * 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
|
6000 * character uses NFA_COMPOSING above. */ |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6001 if (result && enc_utf8 && !ireg_icombine |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6002 && clen != utf_char2len(curc)) |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6003 result = FALSE; |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6004 #endif |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6005 ADD_STATE_IF_MATCH(t->state); |
4444 | 6006 break; |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6007 } |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6008 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6009 } /* switch (t->state->c) */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6010 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6011 if (add_state != NULL) |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6012 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6013 nfa_pim_T *pim; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6014 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6015 if (t->pim.result == NFA_PIM_UNUSED) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6016 pim = NULL; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6017 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6018 pim = &t->pim; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6019 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6020 /* Handle the postponed invisible match if the match might end |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6021 * without advancing and before the end of the line. */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6022 if (pim != NULL && (clen == 0 || match_follows(add_state, 0))) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6023 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6024 if (pim->result == NFA_PIM_TODO) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6025 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6026 #ifdef ENABLE_LOG |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6027 fprintf(log_fd, "\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6028 fprintf(log_fd, "==================================\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6029 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6030 fprintf(log_fd, "\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6031 #endif |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6032 result = recursive_regmatch(pim->state, pim, |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6033 prog, submatch, m, &listids); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6034 pim->result = result ? NFA_PIM_MATCH : NFA_PIM_NOMATCH; |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6035 /* 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
|
6036 * FALSE */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6037 if (result != (pim->state->c == NFA_START_INVISIBLE_NEG |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6038 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6039 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6040 == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6041 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6042 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6043 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6044 /* Copy submatch info from the recursive call */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6045 copy_sub_off(&pim->subs.norm, &m->norm); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6046 #ifdef FEAT_SYN_HL |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6047 if (nfa_has_zsubexpr) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6048 copy_sub_off(&pim->subs.synt, &m->synt); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6049 #endif |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6050 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6051 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6052 else |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6053 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6054 result = (pim->result == NFA_PIM_MATCH); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6055 #ifdef ENABLE_LOG |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6056 fprintf(log_fd, "\n"); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6057 fprintf(log_fd, "Using previous recursive nfa_regmatch() result, result == %d\n", pim->result); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6058 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
|
6059 fprintf(log_fd, "\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6060 #endif |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6061 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6062 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6063 /* for \@! and \@<! it is a match when result is FALSE */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6064 if (result != (pim->state->c == NFA_START_INVISIBLE_NEG |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6065 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6066 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6067 == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6068 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6069 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6070 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6071 /* Copy submatch info from the recursive call */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6072 copy_sub_off(&t->subs.norm, &pim->subs.norm); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6073 #ifdef FEAT_SYN_HL |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6074 if (nfa_has_zsubexpr) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6075 copy_sub_off(&t->subs.synt, &pim->subs.synt); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6076 #endif |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6077 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6078 else |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6079 /* 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
|
6080 continue; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6081 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6082 /* Postponed invisible match was handled, don't add it to |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6083 * following states. */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6084 pim = NULL; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6085 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6086 |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6087 if (add_here) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6088 addstate_here(thislist, add_state, &t->subs, pim, &listidx); |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6089 else |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6090 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6091 addstate(nextlist, add_state, &t->subs, pim, add_off); |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6092 if (add_count > 0) |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6093 nextlist->t[nextlist->n - 1].count = add_count; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6094 } |
4444 | 6095 } |
6096 | |
6097 } /* for (thislist = thislist; thislist->state; thislist++) */ | |
6098 | |
4557
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6099 /* 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
|
6100 * start state to the list of states. |
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6101 * 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
|
6102 * matters! |
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6103 * 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
|
6104 * 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
|
6105 * 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
|
6106 * 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
|
6107 if (nfa_match == FALSE |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6108 && ((toplevel |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6109 && reglnum == 0 |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6110 && clen != 0 |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6111 && (ireg_maxcol == 0 |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6112 || (colnr_T)(reginput - regline) < ireg_maxcol)) |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6113 || (nfa_endp != NULL |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6114 && (REG_MULTI |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6115 ? (reglnum < nfa_endp->se_u.pos.lnum |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6116 || (reglnum == nfa_endp->se_u.pos.lnum |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6117 && (int)(reginput - regline) |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6118 < nfa_endp->se_u.pos.col)) |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6119 : reginput < nfa_endp->se_u.ptr)))) |
4444 | 6120 { |
6121 #ifdef ENABLE_LOG | |
6122 fprintf(log_fd, "(---) STARTSTATE\n"); | |
6123 #endif | |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6124 /* 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
|
6125 * the first MOPEN. */ |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6126 if (toplevel) |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6127 { |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6128 int add = TRUE; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6129 int c; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6130 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6131 if (prog->regstart != NUL && clen != 0) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6132 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6133 if (nextlist->n == 0) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6134 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6135 colnr_T col = (colnr_T)(reginput - regline) + clen; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6136 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6137 /* 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
|
6138 * character that must appear at the start. */ |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6139 if (skip_to_start(prog->regstart, &col) == FAIL) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6140 break; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6141 #ifdef ENABLE_LOG |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6142 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
|
6143 col - ((colnr_T)(reginput - regline) + clen)); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6144 #endif |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6145 reginput = regline + col - clen; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6146 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6147 else |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6148 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6149 /* Checking if the required start character matches is |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6150 * 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
|
6151 c = PTR2CHAR(reginput + clen); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6152 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
|
6153 != MB_TOLOWER(prog->regstart))) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6154 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6155 #ifdef ENABLE_LOG |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6156 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
|
6157 #endif |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6158 add = FALSE; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6159 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6160 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6161 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6162 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6163 if (add) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6164 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6165 if (REG_MULTI) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6166 m->norm.list.multi[0].start.col = |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6167 (colnr_T)(reginput - regline) + clen; |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6168 else |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6169 m->norm.list.line[0].start = reginput + clen; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6170 addstate(nextlist, start->out, m, NULL, clen); |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6171 } |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6172 } |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6173 else |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6174 addstate(nextlist, start, m, NULL, clen); |
4444 | 6175 } |
6176 | |
6177 #ifdef ENABLE_LOG | |
6178 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
|
6179 { |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6180 int i; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6181 |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6182 for (i = 0; i < thislist->n; i++) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6183 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
|
6184 } |
4444 | 6185 fprintf(log_fd, "\n"); |
6186 #endif | |
6187 | |
6188 nextchar: | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6189 /* 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
|
6190 * finish. */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6191 if (clen != 0) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6192 reginput += clen; |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6193 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
|
6194 && reglnum < nfa_endp->se_u.pos.lnum)) |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6195 reg_nextline(); |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6196 else |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6197 break; |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6198 } |
4444 | 6199 |
6200 #ifdef ENABLE_LOG | |
6201 if (log_fd != stderr) | |
6202 fclose(log_fd); | |
6203 log_fd = NULL; | |
6204 #endif | |
6205 | |
6206 theend: | |
6207 /* Free memory */ | |
6208 vim_free(list[0].t); | |
6209 vim_free(list[1].t); | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6210 vim_free(listids); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6211 #undef ADD_STATE_IF_MATCH |
4460 | 6212 #ifdef NFA_REGEXP_DEBUG_LOG |
4444 | 6213 fclose(debug); |
6214 #endif | |
6215 | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6216 return nfa_match; |
4444 | 6217 } |
6218 | |
6219 /* | |
6220 * Try match of "prog" with at regline["col"]. | |
6221 * Returns 0 for failure, number of lines contained in the match otherwise. | |
6222 */ | |
6223 static long | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6224 nfa_regtry(prog, col) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6225 nfa_regprog_T *prog; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6226 colnr_T col; |
4444 | 6227 { |
6228 int i; | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6229 regsubs_T subs, m; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6230 nfa_state_T *start = prog->start; |
4444 | 6231 #ifdef ENABLE_LOG |
6232 FILE *f; | |
6233 #endif | |
6234 | |
6235 reginput = regline + col; | |
6236 | |
6237 #ifdef ENABLE_LOG | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6238 f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
4444 | 6239 if (f != NULL) |
6240 { | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6241 fprintf(f, "\n\n\t=======================================================\n"); |
4444 | 6242 #ifdef DEBUG |
6243 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr); | |
6244 #endif | |
6245 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
|
6246 fprintf(f, "\t=======================================================\n\n"); |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
6247 nfa_print_state(f, start); |
4444 | 6248 fprintf(f, "\n\n"); |
6249 fclose(f); | |
6250 } | |
6251 else | |
6252 EMSG(_("Could not open temporary log file for writing ")); | |
6253 #endif | |
6254 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6255 clear_sub(&subs.norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6256 clear_sub(&m.norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6257 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6258 clear_sub(&subs.synt); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6259 clear_sub(&m.synt); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6260 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6261 |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
6262 if (nfa_regmatch(prog, start, &subs, &m) == FALSE) |
4444 | 6263 return 0; |
6264 | |
6265 cleanup_subexpr(); | |
6266 if (REG_MULTI) | |
6267 { | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6268 for (i = 0; i < subs.norm.in_use; i++) |
4444 | 6269 { |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6270 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
|
6271 reg_endpos[i] = subs.norm.list.multi[i].end; |
4444 | 6272 } |
6273 | |
6274 if (reg_startpos[0].lnum < 0) | |
6275 { | |
6276 reg_startpos[0].lnum = 0; | |
6277 reg_startpos[0].col = col; | |
6278 } | |
6279 if (reg_endpos[0].lnum < 0) | |
6280 { | |
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
6281 /* pattern has a \ze but it didn't match, use current end */ |
4444 | 6282 reg_endpos[0].lnum = reglnum; |
6283 reg_endpos[0].col = (int)(reginput - regline); | |
6284 } | |
6285 else | |
6286 /* Use line number of "\ze". */ | |
6287 reglnum = reg_endpos[0].lnum; | |
6288 } | |
6289 else | |
6290 { | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6291 for (i = 0; i < subs.norm.in_use; i++) |
4444 | 6292 { |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6293 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
|
6294 reg_endp[i] = subs.norm.list.line[i].end; |
4444 | 6295 } |
6296 | |
6297 if (reg_startp[0] == NULL) | |
6298 reg_startp[0] = regline + col; | |
6299 if (reg_endp[0] == NULL) | |
6300 reg_endp[0] = reginput; | |
6301 } | |
6302 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6303 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6304 /* 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
|
6305 unref_extmatch(re_extmatch_out); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6306 re_extmatch_out = NULL; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6307 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6308 if (prog->reghasz == REX_SET) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6309 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6310 cleanup_zsubexpr(); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6311 re_extmatch_out = make_extmatch(); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6312 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
|
6313 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6314 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6315 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6316 struct multipos *mpos = &subs.synt.list.multi[i]; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6317 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6318 /* Only accept single line matches. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6319 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
|
6320 re_extmatch_out->matches[i] = |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6321 vim_strnsave(reg_getline(mpos->start.lnum) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6322 + mpos->start.col, |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6323 mpos->end.col - mpos->start.col); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6324 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6325 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6326 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6327 struct linepos *lpos = &subs.synt.list.line[i]; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6328 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6329 if (lpos->start != NULL && lpos->end != NULL) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6330 re_extmatch_out->matches[i] = |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6331 vim_strnsave(lpos->start, |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6332 (int)(lpos->end - lpos->start)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6333 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6334 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6335 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6336 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6337 |
4444 | 6338 return 1 + reglnum; |
6339 } | |
6340 | |
6341 /* | |
6342 * Match a regexp against a string ("line" points to the string) or multiple | |
6343 * lines ("line" is NULL, use reg_getline()). | |
6344 * | |
6345 * Returns 0 for failure, number of lines contained in the match otherwise. | |
6346 */ | |
6347 static long | |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6348 nfa_regexec_both(line, startcol) |
4444 | 6349 char_u *line; |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6350 colnr_T startcol; /* column to start looking for match */ |
4444 | 6351 { |
6352 nfa_regprog_T *prog; | |
6353 long retval = 0L; | |
6354 int i; | |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6355 colnr_T col = startcol; |
4444 | 6356 |
6357 if (REG_MULTI) | |
6358 { | |
6359 prog = (nfa_regprog_T *)reg_mmatch->regprog; | |
6360 line = reg_getline((linenr_T)0); /* relative to the cursor */ | |
6361 reg_startpos = reg_mmatch->startpos; | |
6362 reg_endpos = reg_mmatch->endpos; | |
6363 } | |
6364 else | |
6365 { | |
6366 prog = (nfa_regprog_T *)reg_match->regprog; | |
6367 reg_startp = reg_match->startp; | |
6368 reg_endp = reg_match->endp; | |
6369 } | |
6370 | |
6371 /* Be paranoid... */ | |
6372 if (prog == NULL || line == NULL) | |
6373 { | |
6374 EMSG(_(e_null)); | |
6375 goto theend; | |
6376 } | |
6377 | |
6378 /* If pattern contains "\c" or "\C": overrule value of ireg_ic */ | |
6379 if (prog->regflags & RF_ICASE) | |
6380 ireg_ic = TRUE; | |
6381 else if (prog->regflags & RF_NOICASE) | |
6382 ireg_ic = FALSE; | |
6383 | |
6384 #ifdef FEAT_MBYTE | |
6385 /* If pattern contains "\Z" overrule value of ireg_icombine */ | |
6386 if (prog->regflags & RF_ICOMBINE) | |
6387 ireg_icombine = TRUE; | |
6388 #endif | |
6389 | |
6390 regline = line; | |
6391 reglnum = 0; /* relative to line */ | |
6392 | |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
6393 nfa_has_zend = prog->has_zend; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
6394 nfa_has_backref = prog->has_backref; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6395 nfa_nsubexpr = prog->nsubexp; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
6396 nfa_listid = 1; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
6397 nfa_alt_listid = 2; |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6398 #ifdef DEBUG |
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6399 nfa_regengine.expr = prog->pattern; |
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6400 #endif |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
6401 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6402 if (prog->reganch && col > 0) |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6403 return 0L; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6404 |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6405 need_clear_subexpr = TRUE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6406 #ifdef FEAT_SYN_HL |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6407 /* Clear the external match subpointers if necessary. */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6408 if (prog->reghasz == REX_SET) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6409 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6410 nfa_has_zsubexpr = TRUE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6411 need_clear_zsubexpr = TRUE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6412 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6413 else |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6414 nfa_has_zsubexpr = FALSE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6415 #endif |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6416 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6417 if (prog->regstart != NUL) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6418 { |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6419 /* 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
|
6420 * When there is none there is no match. */ |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6421 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
|
6422 return 0L; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6423 |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6424 /* 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
|
6425 * Nothing else to try. Doesn't handle combining chars well. */ |
4811
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
6426 if (prog->match_text != NULL |
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
6427 #ifdef FEAT_MBYTE |
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
6428 && !ireg_icombine |
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
6429 #endif |
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
6430 ) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6431 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
|
6432 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6433 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6434 /* 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
|
6435 if (ireg_maxcol > 0 && col >= ireg_maxcol) |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6436 goto theend; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6437 |
4444 | 6438 nstate = prog->nstate; |
6439 for (i = 0; i < nstate; ++i) | |
6440 { | |
6441 prog->state[i].id = i; | |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
6442 prog->state[i].lastlist[0] = 0; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
6443 prog->state[i].lastlist[1] = 0; |
4444 | 6444 } |
6445 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6446 retval = nfa_regtry(prog, col); |
4444 | 6447 |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6448 #ifdef DEBUG |
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6449 nfa_regengine.expr = NULL; |
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6450 #endif |
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6451 |
4444 | 6452 theend: |
6453 return retval; | |
6454 } | |
6455 | |
6456 /* | |
6457 * Compile a regular expression into internal code for the NFA matcher. | |
6458 * Returns the program in allocated space. Returns NULL for an error. | |
6459 */ | |
6460 static regprog_T * | |
6461 nfa_regcomp(expr, re_flags) | |
6462 char_u *expr; | |
6463 int re_flags; | |
6464 { | |
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6465 nfa_regprog_T *prog = NULL; |
4458 | 6466 size_t prog_size; |
4444 | 6467 int *postfix; |
6468 | |
6469 if (expr == NULL) | |
6470 return NULL; | |
6471 | |
6472 #ifdef DEBUG | |
6473 nfa_regengine.expr = expr; | |
6474 #endif | |
6475 | |
6476 init_class_tab(); | |
6477 | |
6478 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
6479 return NULL; | |
6480 | |
6481 /* 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
|
6482 * (and count its size). */ |
4444 | 6483 postfix = re2post(); |
6484 if (postfix == NULL) | |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6485 { |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6486 /* TODO: only give this error for debugging? */ |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6487 if (post_ptr >= post_end) |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6488 EMSGN("Internal error: estimated max number of states insufficient: %ld", post_end - post_start); |
4444 | 6489 goto fail; /* Cascaded (syntax?) error */ |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6490 } |
4444 | 6491 |
6492 /* | |
6493 * In order to build the NFA, we parse the input regexp twice: | |
6494 * 1. first pass to count size (so we can allocate space) | |
6495 * 2. second to emit code | |
6496 */ | |
6497 #ifdef ENABLE_LOG | |
6498 { | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6499 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
4444 | 6500 |
6501 if (f != NULL) | |
6502 { | |
6503 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\" ... hold on !\n", expr); | |
6504 fclose(f); | |
6505 } | |
6506 } | |
6507 #endif | |
6508 | |
6509 /* | |
6510 * PASS 1 | |
6511 * Count number of NFA states in "nstate". Do not build the NFA. | |
6512 */ | |
6513 post2nfa(postfix, post_ptr, TRUE); | |
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6514 |
4837
05b8436873d4
updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents:
4821
diff
changeset
|
6515 /* allocate the regprog with space for the compiled regexp */ |
05b8436873d4
updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents:
4821
diff
changeset
|
6516 prog_size = sizeof(nfa_regprog_T) + sizeof(nfa_state_T) * (nstate - 1); |
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6517 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE); |
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6518 if (prog == NULL) |
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
6519 goto fail; |
4444 | 6520 state_ptr = prog->state; |
6521 | |
6522 /* | |
6523 * PASS 2 | |
6524 * Build the NFA | |
6525 */ | |
6526 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
6527 if (prog->start == NULL) | |
6528 goto fail; | |
6529 | |
6530 prog->regflags = regflags; | |
6531 prog->engine = &nfa_regengine; | |
6532 prog->nstate = nstate; | |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
6533 prog->has_zend = nfa_has_zend; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
6534 prog->has_backref = nfa_has_backref; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6535 prog->nsubexp = regnpar; |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6536 |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6537 nfa_postprocess(prog); |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6538 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6539 prog->reganch = nfa_get_reganch(prog->start, 0); |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6540 prog->regstart = nfa_get_regstart(prog->start, 0); |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6541 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
|
6542 |
4444 | 6543 #ifdef ENABLE_LOG |
6544 nfa_postfix_dump(expr, OK); | |
6545 nfa_dump(prog); | |
6546 #endif | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6547 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6548 /* 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
|
6549 prog->reghasz = re_has_z; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6550 #endif |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6551 #ifdef DEBUG |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6552 prog->pattern = vim_strsave(expr); |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6553 nfa_regengine.expr = NULL; |
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
6554 #endif |
4444 | 6555 |
6556 out: | |
6557 vim_free(post_start); | |
6558 post_start = post_ptr = post_end = NULL; | |
6559 state_ptr = NULL; | |
6560 return (regprog_T *)prog; | |
6561 | |
6562 fail: | |
6563 vim_free(prog); | |
6564 prog = NULL; | |
6565 #ifdef ENABLE_LOG | |
6566 nfa_postfix_dump(expr, FAIL); | |
6567 #endif | |
6568 #ifdef DEBUG | |
6569 nfa_regengine.expr = NULL; | |
6570 #endif | |
6571 goto out; | |
6572 } | |
6573 | |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6574 /* |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6575 * 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
|
6576 */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6577 static void |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6578 nfa_regfree(prog) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6579 regprog_T *prog; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6580 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6581 if (prog != NULL) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6582 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6583 vim_free(((nfa_regprog_T *)prog)->match_text); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6584 #ifdef DEBUG |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6585 vim_free(((nfa_regprog_T *)prog)->pattern); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6586 #endif |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6587 vim_free(prog); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6588 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
6589 } |
4444 | 6590 |
6591 /* | |
6592 * Match a regexp against a string. | |
6593 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
6594 * Uses curbuf for line count and 'iskeyword'. | |
6595 * | |
6596 * Return TRUE if there is a match, FALSE if not. | |
6597 */ | |
6598 static int | |
6599 nfa_regexec(rmp, line, col) | |
6600 regmatch_T *rmp; | |
6601 char_u *line; /* string to match against */ | |
6602 colnr_T col; /* column to start looking for match */ | |
6603 { | |
6604 reg_match = rmp; | |
6605 reg_mmatch = NULL; | |
6606 reg_maxline = 0; | |
6607 reg_line_lbr = FALSE; | |
6608 reg_buf = curbuf; | |
6609 reg_win = NULL; | |
6610 ireg_ic = rmp->rm_ic; | |
6611 #ifdef FEAT_MBYTE | |
6612 ireg_icombine = FALSE; | |
6613 #endif | |
6614 ireg_maxcol = 0; | |
6615 return (nfa_regexec_both(line, col) != 0); | |
6616 } | |
6617 | |
6618 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \ | |
6619 || defined(FIND_REPLACE_DIALOG) || defined(PROTO) | |
6620 | |
6621 static int nfa_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col)); | |
6622 | |
6623 /* | |
6624 * Like nfa_regexec(), but consider a "\n" in "line" to be a line break. | |
6625 */ | |
6626 static int | |
6627 nfa_regexec_nl(rmp, line, col) | |
6628 regmatch_T *rmp; | |
6629 char_u *line; /* string to match against */ | |
6630 colnr_T col; /* column to start looking for match */ | |
6631 { | |
6632 reg_match = rmp; | |
6633 reg_mmatch = NULL; | |
6634 reg_maxline = 0; | |
6635 reg_line_lbr = TRUE; | |
6636 reg_buf = curbuf; | |
6637 reg_win = NULL; | |
6638 ireg_ic = rmp->rm_ic; | |
6639 #ifdef FEAT_MBYTE | |
6640 ireg_icombine = FALSE; | |
6641 #endif | |
6642 ireg_maxcol = 0; | |
6643 return (nfa_regexec_both(line, col) != 0); | |
6644 } | |
6645 #endif | |
6646 | |
6647 | |
6648 /* | |
6649 * Match a regexp against multiple lines. | |
6650 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
6651 * Uses curbuf for line count and 'iskeyword'. | |
6652 * | |
6653 * Return zero if there is no match. Return number of lines contained in the | |
6654 * match otherwise. | |
6655 * | |
6656 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
6657 * | |
6658 * ! Also NOTE : match may actually be in another line. e.g.: | |
6659 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
6660 * | |
6661 * +-------------------------+ | |
6662 * |a | | |
6663 * |b | | |
6664 * |c | | |
6665 * | | | |
6666 * +-------------------------+ | |
6667 * | |
6668 * then nfa_regexec_multi() returns 3. while the original | |
6669 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
6670 * | |
6671 * FIXME if this behavior is not compatible. | |
6672 */ | |
6673 static long | |
6674 nfa_regexec_multi(rmp, win, buf, lnum, col, tm) | |
6675 regmmatch_T *rmp; | |
6676 win_T *win; /* window in which to search or NULL */ | |
6677 buf_T *buf; /* buffer in which to search */ | |
6678 linenr_T lnum; /* nr of line to start looking for match */ | |
6679 colnr_T col; /* column to start looking for match */ | |
6680 proftime_T *tm UNUSED; /* timeout limit or NULL */ | |
6681 { | |
6682 reg_match = NULL; | |
6683 reg_mmatch = rmp; | |
6684 reg_buf = buf; | |
6685 reg_win = win; | |
6686 reg_firstlnum = lnum; | |
6687 reg_maxline = reg_buf->b_ml.ml_line_count - lnum; | |
6688 reg_line_lbr = FALSE; | |
6689 ireg_ic = rmp->rmm_ic; | |
6690 #ifdef FEAT_MBYTE | |
6691 ireg_icombine = FALSE; | |
6692 #endif | |
6693 ireg_maxcol = rmp->rmm_maxcol; | |
6694 | |
4503 | 6695 return nfa_regexec_both(NULL, col); |
4444 | 6696 } |
6697 | |
6698 #ifdef DEBUG | |
6699 # undef ENABLE_LOG | |
6700 #endif |