Mercurial > vim
annotate src/regexp_nfa.c @ 7635:1506f86b120f v7.4.1117
commit https://github.com/vim/vim/commit/d82103ed8534a1207742e9666ac7ef1e47dda12d
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jan 17 17:04:05 2016 +0100
patch 7.4.1117
Problem: No longer get "." and ".." in directory list.
Solution: Do not skip "." and ".." unless EW_DODOT is set.
author | Christian Brabandt <cb@256bit.org> |
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date | Sun, 17 Jan 2016 17:15:04 +0100 |
parents | 7245d8635ac7 |
children | 0b6c37dd858d |
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 | |
5296 | 32 /* Added to NFA_ANY - NFA_NUPPER_IC to include a NL. */ |
33 #define NFA_ADD_NL 31 | |
34 | |
4444 | 35 enum |
36 { | |
37 NFA_SPLIT = -1024, | |
38 NFA_MATCH, | |
5370 | 39 NFA_EMPTY, /* matches 0-length */ |
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40 |
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41 NFA_START_COLL, /* [abc] start */ |
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42 NFA_END_COLL, /* [abc] end */ |
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43 NFA_START_NEG_COLL, /* [^abc] start */ |
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44 NFA_END_NEG_COLL, /* [^abc] end (postfix only) */ |
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45 NFA_RANGE, /* range of the two previous items |
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46 * (postfix only) */ |
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47 NFA_RANGE_MIN, /* low end of a range */ |
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48 NFA_RANGE_MAX, /* high end of a range */ |
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49 |
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50 NFA_CONCAT, /* concatenate two previous items (postfix |
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51 * only) */ |
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52 NFA_OR, /* \| (postfix only) */ |
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53 NFA_STAR, /* greedy * (posfix only) */ |
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54 NFA_STAR_NONGREEDY, /* non-greedy * (postfix only) */ |
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55 NFA_QUEST, /* greedy \? (postfix only) */ |
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56 NFA_QUEST_NONGREEDY, /* non-greedy \? (postfix only) */ |
4444 | 57 |
58 NFA_BOL, /* ^ Begin line */ | |
59 NFA_EOL, /* $ End line */ | |
60 NFA_BOW, /* \< Begin word */ | |
61 NFA_EOW, /* \> End word */ | |
62 NFA_BOF, /* \%^ Begin file */ | |
63 NFA_EOF, /* \%$ End file */ | |
64 NFA_NEWL, | |
65 NFA_ZSTART, /* Used for \zs */ | |
66 NFA_ZEND, /* Used for \ze */ | |
67 NFA_NOPEN, /* Start of subexpression marked with \%( */ | |
68 NFA_NCLOSE, /* End of subexpr. marked with \%( ... \) */ | |
69 NFA_START_INVISIBLE, | |
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70 NFA_START_INVISIBLE_FIRST, |
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71 NFA_START_INVISIBLE_NEG, |
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72 NFA_START_INVISIBLE_NEG_FIRST, |
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73 NFA_START_INVISIBLE_BEFORE, |
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74 NFA_START_INVISIBLE_BEFORE_FIRST, |
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75 NFA_START_INVISIBLE_BEFORE_NEG, |
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76 NFA_START_INVISIBLE_BEFORE_NEG_FIRST, |
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77 NFA_START_PATTERN, |
4444 | 78 NFA_END_INVISIBLE, |
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79 NFA_END_INVISIBLE_NEG, |
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80 NFA_END_PATTERN, |
4444 | 81 NFA_COMPOSING, /* Next nodes in NFA are part of the |
82 composing multibyte char */ | |
83 NFA_END_COMPOSING, /* End of a composing char in the NFA */ | |
5901 | 84 NFA_ANY_COMPOSING, /* \%C: Any composing characters. */ |
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85 NFA_OPT_CHARS, /* \%[abc] */ |
4444 | 86 |
87 /* The following are used only in the postfix form, not in the NFA */ | |
88 NFA_PREV_ATOM_NO_WIDTH, /* Used for \@= */ | |
89 NFA_PREV_ATOM_NO_WIDTH_NEG, /* Used for \@! */ | |
90 NFA_PREV_ATOM_JUST_BEFORE, /* Used for \@<= */ | |
91 NFA_PREV_ATOM_JUST_BEFORE_NEG, /* Used for \@<! */ | |
92 NFA_PREV_ATOM_LIKE_PATTERN, /* Used for \@> */ | |
93 | |
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94 NFA_BACKREF1, /* \1 */ |
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95 NFA_BACKREF2, /* \2 */ |
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96 NFA_BACKREF3, /* \3 */ |
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97 NFA_BACKREF4, /* \4 */ |
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98 NFA_BACKREF5, /* \5 */ |
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99 NFA_BACKREF6, /* \6 */ |
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100 NFA_BACKREF7, /* \7 */ |
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101 NFA_BACKREF8, /* \8 */ |
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102 NFA_BACKREF9, /* \9 */ |
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103 #ifdef FEAT_SYN_HL |
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104 NFA_ZREF1, /* \z1 */ |
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105 NFA_ZREF2, /* \z2 */ |
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106 NFA_ZREF3, /* \z3 */ |
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107 NFA_ZREF4, /* \z4 */ |
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108 NFA_ZREF5, /* \z5 */ |
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109 NFA_ZREF6, /* \z6 */ |
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110 NFA_ZREF7, /* \z7 */ |
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111 NFA_ZREF8, /* \z8 */ |
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112 NFA_ZREF9, /* \z9 */ |
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113 #endif |
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114 NFA_SKIP, /* Skip characters */ |
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115 |
4444 | 116 NFA_MOPEN, |
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117 NFA_MOPEN1, |
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118 NFA_MOPEN2, |
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119 NFA_MOPEN3, |
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120 NFA_MOPEN4, |
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121 NFA_MOPEN5, |
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122 NFA_MOPEN6, |
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123 NFA_MOPEN7, |
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124 NFA_MOPEN8, |
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125 NFA_MOPEN9, |
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126 |
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127 NFA_MCLOSE, |
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128 NFA_MCLOSE1, |
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129 NFA_MCLOSE2, |
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130 NFA_MCLOSE3, |
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131 NFA_MCLOSE4, |
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132 NFA_MCLOSE5, |
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133 NFA_MCLOSE6, |
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134 NFA_MCLOSE7, |
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135 NFA_MCLOSE8, |
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136 NFA_MCLOSE9, |
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137 |
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138 #ifdef FEAT_SYN_HL |
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139 NFA_ZOPEN, |
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140 NFA_ZOPEN1, |
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141 NFA_ZOPEN2, |
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142 NFA_ZOPEN3, |
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143 NFA_ZOPEN4, |
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144 NFA_ZOPEN5, |
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145 NFA_ZOPEN6, |
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146 NFA_ZOPEN7, |
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147 NFA_ZOPEN8, |
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148 NFA_ZOPEN9, |
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149 |
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150 NFA_ZCLOSE, |
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151 NFA_ZCLOSE1, |
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152 NFA_ZCLOSE2, |
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153 NFA_ZCLOSE3, |
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154 NFA_ZCLOSE4, |
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155 NFA_ZCLOSE5, |
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156 NFA_ZCLOSE6, |
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157 NFA_ZCLOSE7, |
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158 NFA_ZCLOSE8, |
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159 NFA_ZCLOSE9, |
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160 #endif |
4444 | 161 |
162 /* NFA_FIRST_NL */ | |
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163 NFA_ANY, /* Match any one character. */ |
4444 | 164 NFA_IDENT, /* Match identifier char */ |
165 NFA_SIDENT, /* Match identifier char but no digit */ | |
166 NFA_KWORD, /* Match keyword char */ | |
167 NFA_SKWORD, /* Match word char but no digit */ | |
168 NFA_FNAME, /* Match file name char */ | |
169 NFA_SFNAME, /* Match file name char but no digit */ | |
170 NFA_PRINT, /* Match printable char */ | |
171 NFA_SPRINT, /* Match printable char but no digit */ | |
172 NFA_WHITE, /* Match whitespace char */ | |
173 NFA_NWHITE, /* Match non-whitespace char */ | |
174 NFA_DIGIT, /* Match digit char */ | |
175 NFA_NDIGIT, /* Match non-digit char */ | |
176 NFA_HEX, /* Match hex char */ | |
177 NFA_NHEX, /* Match non-hex char */ | |
178 NFA_OCTAL, /* Match octal char */ | |
179 NFA_NOCTAL, /* Match non-octal char */ | |
180 NFA_WORD, /* Match word char */ | |
181 NFA_NWORD, /* Match non-word char */ | |
182 NFA_HEAD, /* Match head char */ | |
183 NFA_NHEAD, /* Match non-head char */ | |
184 NFA_ALPHA, /* Match alpha char */ | |
185 NFA_NALPHA, /* Match non-alpha char */ | |
186 NFA_LOWER, /* Match lowercase char */ | |
187 NFA_NLOWER, /* Match non-lowercase char */ | |
188 NFA_UPPER, /* Match uppercase char */ | |
189 NFA_NUPPER, /* Match non-uppercase char */ | |
5296 | 190 NFA_LOWER_IC, /* Match [a-z] */ |
191 NFA_NLOWER_IC, /* Match [^a-z] */ | |
192 NFA_UPPER_IC, /* Match [A-Z] */ | |
193 NFA_NUPPER_IC, /* Match [^A-Z] */ | |
194 | |
195 NFA_FIRST_NL = NFA_ANY + NFA_ADD_NL, | |
196 NFA_LAST_NL = NFA_NUPPER_IC + NFA_ADD_NL, | |
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197 |
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198 NFA_CURSOR, /* Match cursor pos */ |
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199 NFA_LNUM, /* Match line number */ |
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200 NFA_LNUM_GT, /* Match > line number */ |
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201 NFA_LNUM_LT, /* Match < line number */ |
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202 NFA_COL, /* Match cursor column */ |
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203 NFA_COL_GT, /* Match > cursor column */ |
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204 NFA_COL_LT, /* Match < cursor column */ |
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205 NFA_VCOL, /* Match cursor virtual column */ |
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206 NFA_VCOL_GT, /* Match > cursor virtual column */ |
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207 NFA_VCOL_LT, /* Match < cursor virtual column */ |
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208 NFA_MARK, /* Match mark */ |
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209 NFA_MARK_GT, /* Match > mark */ |
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210 NFA_MARK_LT, /* Match < mark */ |
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211 NFA_VISUAL, /* Match Visual area */ |
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212 |
4444 | 213 /* Character classes [:alnum:] etc */ |
214 NFA_CLASS_ALNUM, | |
215 NFA_CLASS_ALPHA, | |
216 NFA_CLASS_BLANK, | |
217 NFA_CLASS_CNTRL, | |
218 NFA_CLASS_DIGIT, | |
219 NFA_CLASS_GRAPH, | |
220 NFA_CLASS_LOWER, | |
221 NFA_CLASS_PRINT, | |
222 NFA_CLASS_PUNCT, | |
223 NFA_CLASS_SPACE, | |
224 NFA_CLASS_UPPER, | |
225 NFA_CLASS_XDIGIT, | |
226 NFA_CLASS_TAB, | |
227 NFA_CLASS_RETURN, | |
228 NFA_CLASS_BACKSPACE, | |
229 NFA_CLASS_ESCAPE | |
230 }; | |
231 | |
232 /* Keep in sync with classchars. */ | |
233 static int nfa_classcodes[] = { | |
234 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD, | |
235 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT, | |
236 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT, | |
237 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL, | |
238 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD, | |
239 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER, | |
240 NFA_UPPER, NFA_NUPPER | |
241 }; | |
242 | |
5511 | 243 static char_u e_nul_found[] = N_("E865: (NFA) Regexp end encountered prematurely"); |
4444 | 244 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); |
5511 | 245 static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character class: %ld"); |
4444 | 246 |
6533 | 247 /* re_flags passed to nfa_regcomp() */ |
248 static int nfa_re_flags; | |
249 | |
4444 | 250 /* NFA regexp \ze operator encountered. */ |
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251 static int nfa_has_zend; |
4444 | 252 |
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253 /* NFA regexp \1 .. \9 encountered. */ |
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254 static int nfa_has_backref; |
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255 |
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256 #ifdef FEAT_SYN_HL |
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257 /* NFA regexp has \z( ), set zsubexpr. */ |
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258 static int nfa_has_zsubexpr; |
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259 #endif |
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260 |
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261 /* Number of sub expressions actually being used during execution. 1 if only |
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262 * the whole match (subexpr 0) is used. */ |
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263 static int nfa_nsubexpr; |
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264 |
4444 | 265 static int *post_start; /* holds the postfix form of r.e. */ |
266 static int *post_end; | |
267 static int *post_ptr; | |
268 | |
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269 static int nstate; /* Number of states in the NFA. Also used when |
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270 * executing. */ |
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271 static int istate; /* Index in the state vector, used in alloc_state() */ |
4444 | 272 |
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273 /* If not NULL match must end at this position */ |
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274 static save_se_T *nfa_endp = NULL; |
4444 | 275 |
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276 /* listid is global, so that it increases on recursive calls to |
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277 * nfa_regmatch(), which means we don't have to clear the lastlist field of |
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278 * all the states. */ |
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279 static int nfa_listid; |
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280 static int nfa_alt_listid; |
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281 |
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282 /* 0 for first call to nfa_regmatch(), 1 for recursive call. */ |
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283 static int nfa_ll_index = 0; |
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284 |
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285 static int nfa_regcomp_start __ARGS((char_u *expr, int re_flags)); |
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286 static int nfa_get_reganch __ARGS((nfa_state_T *start, int depth)); |
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287 static int nfa_get_regstart __ARGS((nfa_state_T *start, int depth)); |
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288 static char_u *nfa_get_match_text __ARGS((nfa_state_T *start)); |
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289 static int realloc_post_list __ARGS((void)); |
4444 | 290 static int nfa_recognize_char_class __ARGS((char_u *start, char_u *end, int extra_newl)); |
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291 static int nfa_emit_equi_class __ARGS((int c)); |
4444 | 292 static int nfa_regatom __ARGS((void)); |
293 static int nfa_regpiece __ARGS((void)); | |
294 static int nfa_regconcat __ARGS((void)); | |
295 static int nfa_regbranch __ARGS((void)); | |
296 static int nfa_reg __ARGS((int paren)); | |
297 #ifdef DEBUG | |
298 static void nfa_set_code __ARGS((int c)); | |
299 static void nfa_postfix_dump __ARGS((char_u *expr, int retval)); | |
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300 static void nfa_print_state __ARGS((FILE *debugf, nfa_state_T *state)); |
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301 static void nfa_print_state2 __ARGS((FILE *debugf, nfa_state_T *state, garray_T *indent)); |
4444 | 302 static void nfa_dump __ARGS((nfa_regprog_T *prog)); |
303 #endif | |
304 static int *re2post __ARGS((void)); | |
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305 static nfa_state_T *alloc_state __ARGS((int c, nfa_state_T *out, nfa_state_T *out1)); |
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306 static void st_error __ARGS((int *postfix, int *end, int *p)); |
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307 static int nfa_max_width __ARGS((nfa_state_T *startstate, int depth)); |
4444 | 308 static nfa_state_T *post2nfa __ARGS((int *postfix, int *end, int nfa_calc_size)); |
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309 static void nfa_postprocess __ARGS((nfa_regprog_T *prog)); |
4444 | 310 static int check_char_class __ARGS((int class, int c)); |
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311 static void nfa_save_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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312 static void nfa_restore_listids __ARGS((nfa_regprog_T *prog, int *list)); |
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313 static int nfa_re_num_cmp __ARGS((long_u val, int op, long_u pos)); |
6573 | 314 static long nfa_regtry __ARGS((nfa_regprog_T *prog, colnr_T col, proftime_T *tm)); |
315 static long nfa_regexec_both __ARGS((char_u *line, colnr_T col, proftime_T *tm)); | |
4444 | 316 static regprog_T *nfa_regcomp __ARGS((char_u *expr, int re_flags)); |
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317 static void nfa_regfree __ARGS((regprog_T *prog)); |
5838 | 318 static int nfa_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col, int line_lbr)); |
4444 | 319 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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320 static int match_follows __ARGS((nfa_state_T *startstate, int depth)); |
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321 static int failure_chance __ARGS((nfa_state_T *state, int depth)); |
4444 | 322 |
323 /* helper functions used when doing re2post() ... regatom() parsing */ | |
324 #define EMIT(c) do { \ | |
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325 if (post_ptr >= post_end && realloc_post_list() == FAIL) \ |
4444 | 326 return FAIL; \ |
327 *post_ptr++ = c; \ | |
328 } while (0) | |
329 | |
330 /* | |
331 * Initialize internal variables before NFA compilation. | |
332 * Return OK on success, FAIL otherwise. | |
333 */ | |
334 static int | |
335 nfa_regcomp_start(expr, re_flags) | |
336 char_u *expr; | |
337 int re_flags; /* see vim_regcomp() */ | |
338 { | |
4458 | 339 size_t postfix_size; |
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340 int nstate_max; |
4444 | 341 |
342 nstate = 0; | |
343 istate = 0; | |
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344 /* A reasonable estimation for maximum size */ |
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345 nstate_max = (int)(STRLEN(expr) + 1) * 25; |
4444 | 346 |
4454 | 347 /* Some items blow up in size, such as [A-z]. Add more space for that. |
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348 * When it is still not enough realloc_post_list() will be used. */ |
4458 | 349 nstate_max += 1000; |
4454 | 350 |
351 /* Size for postfix representation of expr. */ | |
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352 postfix_size = sizeof(int) * nstate_max; |
4454 | 353 |
4444 | 354 post_start = (int *)lalloc(postfix_size, TRUE); |
355 if (post_start == NULL) | |
356 return FAIL; | |
357 post_ptr = post_start; | |
4454 | 358 post_end = post_start + nstate_max; |
4444 | 359 nfa_has_zend = FALSE; |
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360 nfa_has_backref = FALSE; |
4444 | 361 |
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362 /* shared with BT engine */ |
4444 | 363 regcomp_start(expr, re_flags); |
364 | |
365 return OK; | |
366 } | |
367 | |
368 /* | |
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369 * Figure out if the NFA state list starts with an anchor, must match at start |
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updated for version 7.3.1133
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|
370 * of the line. |
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updated for version 7.3.1133
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|
371 */ |
03375ccf28a2
updated for version 7.3.1133
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|
372 static int |
03375ccf28a2
updated for version 7.3.1133
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|
373 nfa_get_reganch(start, depth) |
03375ccf28a2
updated for version 7.3.1133
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|
374 nfa_state_T *start; |
03375ccf28a2
updated for version 7.3.1133
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|
375 int depth; |
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updated for version 7.3.1133
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|
376 { |
03375ccf28a2
updated for version 7.3.1133
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|
377 nfa_state_T *p = start; |
03375ccf28a2
updated for version 7.3.1133
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|
378 |
03375ccf28a2
updated for version 7.3.1133
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|
379 if (depth > 4) |
03375ccf28a2
updated for version 7.3.1133
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|
380 return 0; |
03375ccf28a2
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|
381 |
03375ccf28a2
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|
382 while (p != NULL) |
03375ccf28a2
updated for version 7.3.1133
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|
383 { |
03375ccf28a2
updated for version 7.3.1133
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|
384 switch (p->c) |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
385 { |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
386 case NFA_BOL: |
03375ccf28a2
updated for version 7.3.1133
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|
387 case NFA_BOF: |
03375ccf28a2
updated for version 7.3.1133
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|
388 return 1; /* yes! */ |
03375ccf28a2
updated for version 7.3.1133
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|
389 |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
390 case NFA_ZSTART: |
03375ccf28a2
updated for version 7.3.1133
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|
391 case NFA_ZEND: |
03375ccf28a2
updated for version 7.3.1133
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|
392 case NFA_CURSOR: |
03375ccf28a2
updated for version 7.3.1133
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|
393 case NFA_VISUAL: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
394 |
03375ccf28a2
updated for version 7.3.1133
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|
395 case NFA_MOPEN: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
396 case NFA_MOPEN1: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
397 case NFA_MOPEN2: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
398 case NFA_MOPEN3: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
399 case NFA_MOPEN4: |
03375ccf28a2
updated for version 7.3.1133
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|
400 case NFA_MOPEN5: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
401 case NFA_MOPEN6: |
03375ccf28a2
updated for version 7.3.1133
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|
402 case NFA_MOPEN7: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
403 case NFA_MOPEN8: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
404 case NFA_MOPEN9: |
03375ccf28a2
updated for version 7.3.1133
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|
405 case NFA_NOPEN: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
406 #ifdef FEAT_SYN_HL |
03375ccf28a2
updated for version 7.3.1133
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|
407 case NFA_ZOPEN: |
03375ccf28a2
updated for version 7.3.1133
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|
408 case NFA_ZOPEN1: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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|
409 case NFA_ZOPEN2: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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|
410 case NFA_ZOPEN3: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
411 case NFA_ZOPEN4: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
412 case NFA_ZOPEN5: |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
413 case NFA_ZOPEN6: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
414 case NFA_ZOPEN7: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
415 case NFA_ZOPEN8: |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
416 case NFA_ZOPEN9: |
03375ccf28a2
updated for version 7.3.1133
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|
417 #endif |
03375ccf28a2
updated for version 7.3.1133
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|
418 p = p->out; |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
419 break; |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
420 |
03375ccf28a2
updated for version 7.3.1133
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|
421 case NFA_SPLIT: |
03375ccf28a2
updated for version 7.3.1133
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|
422 return nfa_get_reganch(p->out, depth + 1) |
03375ccf28a2
updated for version 7.3.1133
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|
423 && nfa_get_reganch(p->out1, depth + 1); |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
424 |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
425 default: |
03375ccf28a2
updated for version 7.3.1133
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|
426 return 0; /* noooo */ |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
427 } |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
428 } |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
429 return 0; |
03375ccf28a2
updated for version 7.3.1133
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|
430 } |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
431 |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
432 /* |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
433 * Figure out if the NFA state list starts with a character which must match |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
434 * at start of the match. |
03375ccf28a2
updated for version 7.3.1133
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|
435 */ |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
436 static int |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
437 nfa_get_regstart(start, depth) |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
438 nfa_state_T *start; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
439 int depth; |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
440 { |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
441 nfa_state_T *p = start; |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
442 |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
443 if (depth > 4) |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
444 return 0; |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
445 |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
446 while (p != NULL) |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
447 { |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
448 switch (p->c) |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
449 { |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
450 /* all kinds of zero-width matches */ |
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
451 case NFA_BOL: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
452 case NFA_BOF: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
453 case NFA_BOW: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
454 case NFA_EOW: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
455 case NFA_ZSTART: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
456 case NFA_ZEND: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
457 case NFA_CURSOR: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
458 case NFA_VISUAL: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
459 case NFA_LNUM: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
460 case NFA_LNUM_GT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
461 case NFA_LNUM_LT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
462 case NFA_COL: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
463 case NFA_COL_GT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
464 case NFA_COL_LT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
465 case NFA_VCOL: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
466 case NFA_VCOL_GT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
467 case NFA_VCOL_LT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
468 case NFA_MARK: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
469 case NFA_MARK_GT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
470 case NFA_MARK_LT: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
471 |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
472 case NFA_MOPEN: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
473 case NFA_MOPEN1: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
474 case NFA_MOPEN2: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
475 case NFA_MOPEN3: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
476 case NFA_MOPEN4: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
477 case NFA_MOPEN5: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
478 case NFA_MOPEN6: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
479 case NFA_MOPEN7: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
480 case NFA_MOPEN8: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
481 case NFA_MOPEN9: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
482 case NFA_NOPEN: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
483 #ifdef FEAT_SYN_HL |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
484 case NFA_ZOPEN: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
485 case NFA_ZOPEN1: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
486 case NFA_ZOPEN2: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
487 case NFA_ZOPEN3: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
488 case NFA_ZOPEN4: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
489 case NFA_ZOPEN5: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
490 case NFA_ZOPEN6: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
491 case NFA_ZOPEN7: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
492 case NFA_ZOPEN8: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
493 case NFA_ZOPEN9: |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
494 #endif |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
495 p = p->out; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
496 break; |
03375ccf28a2
updated for version 7.3.1133
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|
497 |
03375ccf28a2
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|
498 case NFA_SPLIT: |
03375ccf28a2
updated for version 7.3.1133
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|
499 { |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
500 int c1 = nfa_get_regstart(p->out, depth + 1); |
03375ccf28a2
updated for version 7.3.1133
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|
501 int c2 = nfa_get_regstart(p->out1, depth + 1); |
03375ccf28a2
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|
502 |
03375ccf28a2
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|
503 if (c1 == c2) |
03375ccf28a2
updated for version 7.3.1133
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|
504 return c1; /* yes! */ |
03375ccf28a2
updated for version 7.3.1133
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|
505 return 0; |
03375ccf28a2
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diff
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|
506 } |
03375ccf28a2
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diff
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|
507 |
03375ccf28a2
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diff
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|
508 default: |
4785
3b5a023a4543
updated for version 7.3.1139
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4783
diff
changeset
|
509 if (p->c > 0) |
4772
03375ccf28a2
updated for version 7.3.1133
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diff
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|
510 return p->c; /* yes! */ |
03375ccf28a2
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|
511 return 0; |
03375ccf28a2
updated for version 7.3.1133
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|
512 } |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
513 } |
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updated for version 7.3.1133
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diff
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|
514 return 0; |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
515 } |
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
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|
516 |
03375ccf28a2
updated for version 7.3.1133
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diff
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|
517 /* |
4805
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
changeset
|
518 * 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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diff
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|
519 * 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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|
520 * regstart. Otherwise return NULL. |
4805
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|
521 */ |
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|
522 static char_u * |
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|
523 nfa_get_match_text(start) |
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|
524 nfa_state_T *start; |
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|
525 { |
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|
526 nfa_state_T *p = start; |
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|
527 int len = 0; |
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|
528 char_u *ret; |
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|
529 char_u *s; |
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|
530 |
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updated for version 7.3.1149
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|
531 if (p->c != NFA_MOPEN) |
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|
532 return NULL; /* just in case */ |
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diff
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|
533 p = p->out; |
66803af09906
updated for version 7.3.1149
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diff
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|
534 while (p->c > 0) |
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updated for version 7.3.1149
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diff
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|
535 { |
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diff
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|
536 len += MB_CHAR2LEN(p->c); |
66803af09906
updated for version 7.3.1149
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diff
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|
537 p = p->out; |
66803af09906
updated for version 7.3.1149
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diff
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|
538 } |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
539 if (p->c != NFA_MCLOSE || p->out->c != NFA_MATCH) |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
540 return NULL; |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
541 |
66803af09906
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diff
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|
542 ret = alloc(len); |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
543 if (ret != NULL) |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
544 { |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
545 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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|
546 s = ret; |
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
547 while (p->c > 0) |
66803af09906
updated for version 7.3.1149
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diff
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|
548 { |
66803af09906
updated for version 7.3.1149
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diff
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|
549 #ifdef FEAT_MBYTE |
66803af09906
updated for version 7.3.1149
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diff
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|
550 if (has_mbyte) |
66803af09906
updated for version 7.3.1149
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diff
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|
551 s += (*mb_char2bytes)(p->c, s); |
66803af09906
updated for version 7.3.1149
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diff
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|
552 else |
66803af09906
updated for version 7.3.1149
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diff
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|
553 #endif |
66803af09906
updated for version 7.3.1149
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diff
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|
554 *s++ = p->c; |
66803af09906
updated for version 7.3.1149
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diff
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|
555 p = p->out; |
66803af09906
updated for version 7.3.1149
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diff
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|
556 } |
66803af09906
updated for version 7.3.1149
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diff
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|
557 *s = NUL; |
66803af09906
updated for version 7.3.1149
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diff
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|
558 } |
66803af09906
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|
559 return ret; |
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updated for version 7.3.1149
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diff
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|
560 } |
66803af09906
updated for version 7.3.1149
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diff
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|
561 |
66803af09906
updated for version 7.3.1149
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diff
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|
562 /* |
4651
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
563 * Allocate more space for post_start. Called when |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
564 * running above the estimated number of states. |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
565 */ |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
566 static int |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
567 realloc_post_list() |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
568 { |
4667
9e7ef781d494
updated for version 7.3.1081
Bram Moolenaar <bram@vim.org>
parents:
4661
diff
changeset
|
569 int nstate_max = (int)(post_end - post_start); |
4651
f10f63aaec5c
updated for version 7.3.1073
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diff
changeset
|
570 int new_max = nstate_max + 1000; |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
571 int *new_start; |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
572 int *old_start; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
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diff
changeset
|
573 |
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updated for version 7.3.1073
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parents:
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diff
changeset
|
574 new_start = (int *)lalloc(new_max * sizeof(int), TRUE); |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
575 if (new_start == NULL) |
f10f63aaec5c
updated for version 7.3.1073
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diff
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|
576 return FAIL; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
577 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
|
578 old_start = post_start; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
579 post_start = new_start; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
580 post_ptr = new_start + (post_ptr - old_start); |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
581 post_end = post_start + new_max; |
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
582 vim_free(old_start); |
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
583 return OK; |
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
584 } |
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
585 |
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
586 /* |
4444 | 587 * Search between "start" and "end" and try to recognize a |
588 * character class in expanded form. For example [0-9]. | |
589 * On success, return the id the character class to be emitted. | |
590 * On failure, return 0 (=FAIL) | |
591 * Start points to the first char of the range, while end should point | |
592 * to the closing brace. | |
5296 | 593 * Keep in mind that 'ignorecase' applies at execution time, thus [a-z] may |
594 * need to be interpreted as [a-zA-Z]. | |
4444 | 595 */ |
596 static int | |
597 nfa_recognize_char_class(start, end, extra_newl) | |
598 char_u *start; | |
599 char_u *end; | |
600 int extra_newl; | |
601 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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4726
diff
changeset
|
602 # define CLASS_not 0x80 |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
603 # define CLASS_af 0x40 |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
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diff
changeset
|
604 # define CLASS_AF 0x20 |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
4726
diff
changeset
|
605 # define CLASS_az 0x10 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
606 # define CLASS_AZ 0x08 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
607 # define CLASS_o7 0x04 |
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
608 # define CLASS_o9 0x02 |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
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diff
changeset
|
609 # define CLASS_underscore 0x01 |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
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diff
changeset
|
610 |
43de4ebbe7ad
updated for version 7.3.1111
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parents:
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diff
changeset
|
611 int newl = FALSE; |
4444 | 612 char_u *p; |
4728
43de4ebbe7ad
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diff
changeset
|
613 int config = 0; |
4444 | 614 |
615 if (extra_newl == TRUE) | |
616 newl = TRUE; | |
617 | |
618 if (*end != ']') | |
619 return FAIL; | |
620 p = start; | |
621 if (*p == '^') | |
622 { | |
4728
43de4ebbe7ad
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diff
changeset
|
623 config |= CLASS_not; |
4720
bd6bef0bd0fb
updated for version 7.3.1107
Bram Moolenaar <bram@vim.org>
parents:
4718
diff
changeset
|
624 p++; |
4444 | 625 } |
626 | |
627 while (p < end) | |
628 { | |
629 if (p + 2 < end && *(p + 1) == '-') | |
630 { | |
631 switch (*p) | |
632 { | |
633 case '0': | |
634 if (*(p + 2) == '9') | |
635 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
636 config |= CLASS_o9; |
4444 | 637 break; |
638 } | |
639 else | |
640 if (*(p + 2) == '7') | |
641 { | |
4728
43de4ebbe7ad
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diff
changeset
|
642 config |= CLASS_o7; |
4444 | 643 break; |
644 } | |
645 case 'a': | |
646 if (*(p + 2) == 'z') | |
647 { | |
4728
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
648 config |= CLASS_az; |
4444 | 649 break; |
650 } | |
651 else | |
652 if (*(p + 2) == 'f') | |
653 { | |
4728
43de4ebbe7ad
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parents:
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diff
changeset
|
654 config |= CLASS_af; |
4444 | 655 break; |
656 } | |
657 case 'A': | |
658 if (*(p + 2) == 'Z') | |
659 { | |
4728
43de4ebbe7ad
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diff
changeset
|
660 config |= CLASS_AZ; |
4444 | 661 break; |
662 } | |
663 else | |
664 if (*(p + 2) == 'F') | |
665 { | |
4728
43de4ebbe7ad
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parents:
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diff
changeset
|
666 config |= CLASS_AF; |
4444 | 667 break; |
668 } | |
669 /* FALLTHROUGH */ | |
670 default: | |
671 return FAIL; | |
672 } | |
673 p += 3; | |
674 } | |
675 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
676 { | |
677 newl = TRUE; | |
678 p += 2; | |
679 } | |
680 else if (*p == '_') | |
681 { | |
4728
43de4ebbe7ad
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diff
changeset
|
682 config |= CLASS_underscore; |
4444 | 683 p ++; |
684 } | |
685 else if (*p == '\n') | |
686 { | |
687 newl = TRUE; | |
688 p ++; | |
689 } | |
690 else | |
691 return FAIL; | |
692 } /* while (p < end) */ | |
693 | |
694 if (p != end) | |
695 return FAIL; | |
696 | |
697 if (newl == TRUE) | |
5296 | 698 extra_newl = NFA_ADD_NL; |
4728
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diff
changeset
|
699 |
43de4ebbe7ad
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Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
700 switch (config) |
4444 | 701 { |
4728
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702 case CLASS_o9: |
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703 return extra_newl + NFA_DIGIT; |
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704 case CLASS_not | CLASS_o9: |
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705 return extra_newl + NFA_NDIGIT; |
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706 case CLASS_af | CLASS_AF | CLASS_o9: |
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707 return extra_newl + NFA_HEX; |
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708 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9: |
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709 return extra_newl + NFA_NHEX; |
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710 case CLASS_o7: |
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711 return extra_newl + NFA_OCTAL; |
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712 case CLASS_not | CLASS_o7: |
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713 return extra_newl + NFA_NOCTAL; |
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714 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
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715 return extra_newl + NFA_WORD; |
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716 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
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717 return extra_newl + NFA_NWORD; |
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718 case CLASS_az | CLASS_AZ | CLASS_underscore: |
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719 return extra_newl + NFA_HEAD; |
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720 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore: |
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721 return extra_newl + NFA_NHEAD; |
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722 case CLASS_az | CLASS_AZ: |
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723 return extra_newl + NFA_ALPHA; |
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724 case CLASS_not | CLASS_az | CLASS_AZ: |
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725 return extra_newl + NFA_NALPHA; |
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726 case CLASS_az: |
5296 | 727 return extra_newl + NFA_LOWER_IC; |
4728
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728 case CLASS_not | CLASS_az: |
5296 | 729 return extra_newl + NFA_NLOWER_IC; |
4728
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730 case CLASS_AZ: |
5296 | 731 return extra_newl + NFA_UPPER_IC; |
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732 case CLASS_not | CLASS_AZ: |
5296 | 733 return extra_newl + NFA_NUPPER_IC; |
4444 | 734 } |
735 return FAIL; | |
736 } | |
737 | |
738 /* | |
739 * Produce the bytes for equivalence class "c". | |
740 * Currently only handles latin1, latin9 and utf-8. | |
741 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
742 * equivalent to 'a OR b OR c' | |
743 * | |
744 * NOTE! When changing this function, also update reg_equi_class() | |
745 */ | |
746 static int | |
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747 nfa_emit_equi_class(c) |
4444 | 748 int c; |
749 { | |
5351 | 750 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT); |
751 #ifdef FEAT_MBYTE | |
752 # define EMITMBC(c) EMIT(c); EMIT(NFA_CONCAT); | |
753 #else | |
754 # define EMITMBC(c) | |
755 #endif | |
4444 | 756 |
757 #ifdef FEAT_MBYTE | |
758 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 | |
759 || STRCMP(p_enc, "iso-8859-15") == 0) | |
760 #endif | |
761 { | |
762 switch (c) | |
763 { | |
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764 case 'A': case 0300: case 0301: case 0302: |
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765 case 0303: case 0304: case 0305: |
5351 | 766 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104) CASEMBC(0x1cd) |
767 CASEMBC(0x1de) CASEMBC(0x1e0) CASEMBC(0x1ea2) | |
768 EMIT2('A'); EMIT2(0300); EMIT2(0301); EMIT2(0302); | |
769 EMIT2(0303); EMIT2(0304); EMIT2(0305); | |
770 EMITMBC(0x100) EMITMBC(0x102) EMITMBC(0x104) | |
771 EMITMBC(0x1cd) EMITMBC(0x1de) EMITMBC(0x1e0) | |
772 EMITMBC(0x1ea2) | |
773 return OK; | |
774 | |
775 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06) | |
776 EMIT2('B'); EMITMBC(0x1e02) EMITMBC(0x1e06) | |
4444 | 777 return OK; |
778 | |
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779 case 'C': case 0307: |
5351 | 780 CASEMBC(0x106) CASEMBC(0x108) CASEMBC(0x10a) CASEMBC(0x10c) |
781 EMIT2('C'); EMIT2(0307); EMITMBC(0x106) EMITMBC(0x108) | |
782 EMITMBC(0x10a) EMITMBC(0x10c) | |
783 return OK; | |
784 | |
785 case 'D': CASEMBC(0x10e) CASEMBC(0x110) CASEMBC(0x1e0a) | |
786 CASEMBC(0x1e0e) CASEMBC(0x1e10) | |
787 EMIT2('D'); EMITMBC(0x10e) EMITMBC(0x110) EMITMBC(0x1e0a) | |
788 EMITMBC(0x1e0e) EMITMBC(0x1e10) | |
4444 | 789 return OK; |
790 | |
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791 case 'E': case 0310: case 0311: case 0312: case 0313: |
5351 | 792 CASEMBC(0x112) CASEMBC(0x114) CASEMBC(0x116) CASEMBC(0x118) |
793 CASEMBC(0x11a) CASEMBC(0x1eba) CASEMBC(0x1ebc) | |
794 EMIT2('E'); EMIT2(0310); EMIT2(0311); EMIT2(0312); | |
795 EMIT2(0313); | |
796 EMITMBC(0x112) EMITMBC(0x114) EMITMBC(0x116) | |
797 EMITMBC(0x118) EMITMBC(0x11a) EMITMBC(0x1eba) | |
798 EMITMBC(0x1ebc) | |
799 return OK; | |
800 | |
801 case 'F': CASEMBC(0x1e1e) | |
802 EMIT2('F'); EMITMBC(0x1e1e) | |
803 return OK; | |
804 | |
805 case 'G': CASEMBC(0x11c) CASEMBC(0x11e) CASEMBC(0x120) | |
806 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6) CASEMBC(0x1f4) | |
807 CASEMBC(0x1e20) | |
808 EMIT2('G'); EMITMBC(0x11c) EMITMBC(0x11e) EMITMBC(0x120) | |
809 EMITMBC(0x122) EMITMBC(0x1e4) EMITMBC(0x1e6) | |
810 EMITMBC(0x1f4) EMITMBC(0x1e20) | |
811 return OK; | |
812 | |
813 case 'H': CASEMBC(0x124) CASEMBC(0x126) CASEMBC(0x1e22) | |
814 CASEMBC(0x1e26) CASEMBC(0x1e28) | |
815 EMIT2('H'); EMITMBC(0x124) EMITMBC(0x126) EMITMBC(0x1e22) | |
816 EMITMBC(0x1e26) EMITMBC(0x1e28) | |
4444 | 817 return OK; |
818 | |
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819 case 'I': case 0314: case 0315: case 0316: case 0317: |
5351 | 820 CASEMBC(0x128) CASEMBC(0x12a) CASEMBC(0x12c) CASEMBC(0x12e) |
821 CASEMBC(0x130) CASEMBC(0x1cf) CASEMBC(0x1ec8) | |
822 EMIT2('I'); EMIT2(0314); EMIT2(0315); EMIT2(0316); | |
823 EMIT2(0317); EMITMBC(0x128) EMITMBC(0x12a) | |
824 EMITMBC(0x12c) EMITMBC(0x12e) EMITMBC(0x130) | |
825 EMITMBC(0x1cf) EMITMBC(0x1ec8) | |
826 return OK; | |
827 | |
828 case 'J': CASEMBC(0x134) | |
829 EMIT2('J'); EMITMBC(0x134) | |
830 return OK; | |
831 | |
832 case 'K': CASEMBC(0x136) CASEMBC(0x1e8) CASEMBC(0x1e30) | |
833 CASEMBC(0x1e34) | |
834 EMIT2('K'); EMITMBC(0x136) EMITMBC(0x1e8) EMITMBC(0x1e30) | |
835 EMITMBC(0x1e34) | |
836 return OK; | |
837 | |
838 case 'L': CASEMBC(0x139) CASEMBC(0x13b) CASEMBC(0x13d) | |
839 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a) | |
840 EMIT2('L'); EMITMBC(0x139) EMITMBC(0x13b) EMITMBC(0x13d) | |
841 EMITMBC(0x13f) EMITMBC(0x141) EMITMBC(0x1e3a) | |
842 return OK; | |
843 | |
844 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40) | |
845 EMIT2('M'); EMITMBC(0x1e3e) EMITMBC(0x1e40) | |
4444 | 846 return OK; |
847 | |
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848 case 'N': case 0321: |
5351 | 849 CASEMBC(0x143) CASEMBC(0x145) CASEMBC(0x147) CASEMBC(0x1e44) |
850 CASEMBC(0x1e48) | |
851 EMIT2('N'); EMIT2(0321); EMITMBC(0x143) EMITMBC(0x145) | |
852 EMITMBC(0x147) EMITMBC(0x1e44) EMITMBC(0x1e48) | |
4444 | 853 return OK; |
854 | |
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855 case 'O': case 0322: case 0323: case 0324: case 0325: |
5351 | 856 case 0326: case 0330: |
857 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150) CASEMBC(0x1a0) | |
858 CASEMBC(0x1d1) CASEMBC(0x1ea) CASEMBC(0x1ec) CASEMBC(0x1ece) | |
859 EMIT2('O'); EMIT2(0322); EMIT2(0323); EMIT2(0324); | |
860 EMIT2(0325); EMIT2(0326); EMIT2(0330); | |
861 EMITMBC(0x14c) EMITMBC(0x14e) EMITMBC(0x150) | |
862 EMITMBC(0x1a0) EMITMBC(0x1d1) EMITMBC(0x1ea) | |
863 EMITMBC(0x1ec) EMITMBC(0x1ece) | |
864 return OK; | |
865 | |
866 case 'P': case 0x1e54: case 0x1e56: | |
867 EMIT2('P'); EMITMBC(0x1e54) EMITMBC(0x1e56) | |
868 return OK; | |
869 | |
870 case 'R': CASEMBC(0x154) CASEMBC(0x156) CASEMBC(0x158) | |
871 CASEMBC(0x1e58) CASEMBC(0x1e5e) | |
872 EMIT2('R'); EMITMBC(0x154) EMITMBC(0x156) EMITMBC(0x158) | |
873 EMITMBC(0x1e58) EMITMBC(0x1e5e) | |
874 return OK; | |
875 | |
876 case 'S': CASEMBC(0x15a) CASEMBC(0x15c) CASEMBC(0x15e) | |
877 CASEMBC(0x160) CASEMBC(0x1e60) | |
878 EMIT2('S'); EMITMBC(0x15a) EMITMBC(0x15c) EMITMBC(0x15e) | |
879 EMITMBC(0x160) EMITMBC(0x1e60) | |
880 return OK; | |
881 | |
882 case 'T': CASEMBC(0x162) CASEMBC(0x164) CASEMBC(0x166) | |
883 CASEMBC(0x1e6a) CASEMBC(0x1e6e) | |
884 EMIT2('T'); EMITMBC(0x162) EMITMBC(0x164) EMITMBC(0x166) | |
885 EMITMBC(0x1e6a) EMITMBC(0x1e6e) | |
4444 | 886 return OK; |
887 | |
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888 case 'U': case 0331: case 0332: case 0333: case 0334: |
5351 | 889 CASEMBC(0x168) CASEMBC(0x16a) CASEMBC(0x16c) CASEMBC(0x16e) |
890 CASEMBC(0x170) CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3) | |
891 CASEMBC(0x1ee6) | |
892 EMIT2('U'); EMIT2(0331); EMIT2(0332); EMIT2(0333); | |
893 EMIT2(0334); EMITMBC(0x168) EMITMBC(0x16a) | |
894 EMITMBC(0x16c) EMITMBC(0x16e) EMITMBC(0x170) | |
895 EMITMBC(0x172) EMITMBC(0x1af) EMITMBC(0x1d3) | |
896 EMITMBC(0x1ee6) | |
897 return OK; | |
898 | |
899 case 'V': CASEMBC(0x1e7c) | |
900 EMIT2('V'); EMITMBC(0x1e7c) | |
901 return OK; | |
902 | |
903 case 'W': CASEMBC(0x174) CASEMBC(0x1e80) CASEMBC(0x1e82) | |
904 CASEMBC(0x1e84) CASEMBC(0x1e86) | |
905 EMIT2('W'); EMITMBC(0x174) EMITMBC(0x1e80) EMITMBC(0x1e82) | |
906 EMITMBC(0x1e84) EMITMBC(0x1e86) | |
907 return OK; | |
908 | |
909 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c) | |
910 EMIT2('X'); EMITMBC(0x1e8a) EMITMBC(0x1e8c) | |
4444 | 911 return OK; |
912 | |
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913 case 'Y': case 0335: |
5351 | 914 CASEMBC(0x176) CASEMBC(0x178) CASEMBC(0x1e8e) CASEMBC(0x1ef2) |
915 CASEMBC(0x1ef6) CASEMBC(0x1ef8) | |
916 EMIT2('Y'); EMIT2(0335); EMITMBC(0x176) EMITMBC(0x178) | |
917 EMITMBC(0x1e8e) EMITMBC(0x1ef2) EMITMBC(0x1ef6) | |
918 EMITMBC(0x1ef8) | |
919 return OK; | |
920 | |
921 case 'Z': CASEMBC(0x179) CASEMBC(0x17b) CASEMBC(0x17d) | |
922 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94) | |
923 EMIT2('Z'); EMITMBC(0x179) EMITMBC(0x17b) EMITMBC(0x17d) | |
924 EMITMBC(0x1b5) EMITMBC(0x1e90) EMITMBC(0x1e94) | |
4444 | 925 return OK; |
926 | |
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927 case 'a': case 0340: case 0341: case 0342: |
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928 case 0343: case 0344: case 0345: |
5351 | 929 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105) CASEMBC(0x1ce) |
930 CASEMBC(0x1df) CASEMBC(0x1e1) CASEMBC(0x1ea3) | |
931 EMIT2('a'); EMIT2(0340); EMIT2(0341); EMIT2(0342); | |
932 EMIT2(0343); EMIT2(0344); EMIT2(0345); | |
933 EMITMBC(0x101) EMITMBC(0x103) EMITMBC(0x105) | |
934 EMITMBC(0x1ce) EMITMBC(0x1df) EMITMBC(0x1e1) | |
935 EMITMBC(0x1ea3) | |
936 return OK; | |
937 | |
938 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07) | |
939 EMIT2('b'); EMITMBC(0x1e03) EMITMBC(0x1e07) | |
4444 | 940 return OK; |
941 | |
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942 case 'c': case 0347: |
5351 | 943 CASEMBC(0x107) CASEMBC(0x109) CASEMBC(0x10b) CASEMBC(0x10d) |
944 EMIT2('c'); EMIT2(0347); EMITMBC(0x107) EMITMBC(0x109) | |
945 EMITMBC(0x10b) EMITMBC(0x10d) | |
946 return OK; | |
947 | |
6914 | 948 case 'd': CASEMBC(0x10f) CASEMBC(0x111) CASEMBC(0x1e0b) |
949 CASEMBC(0x1e0f) CASEMBC(0x1e11) | |
950 EMIT2('d'); EMITMBC(0x10f) EMITMBC(0x111) | |
951 EMITMBC(0x1e0b) EMITMBC(0x1e0f) EMITMBC(0x1e11) | |
4444 | 952 return OK; |
953 | |
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954 case 'e': case 0350: case 0351: case 0352: case 0353: |
5351 | 955 CASEMBC(0x113) CASEMBC(0x115) CASEMBC(0x117) CASEMBC(0x119) |
956 CASEMBC(0x11b) CASEMBC(0x1ebb) CASEMBC(0x1ebd) | |
957 EMIT2('e'); EMIT2(0350); EMIT2(0351); EMIT2(0352); | |
958 EMIT2(0353); EMITMBC(0x113) EMITMBC(0x115) | |
959 EMITMBC(0x117) EMITMBC(0x119) EMITMBC(0x11b) | |
960 EMITMBC(0x1ebb) EMITMBC(0x1ebd) | |
961 return OK; | |
962 | |
963 case 'f': CASEMBC(0x1e1f) | |
964 EMIT2('f'); EMITMBC(0x1e1f) | |
965 return OK; | |
966 | |
967 case 'g': CASEMBC(0x11d) CASEMBC(0x11f) CASEMBC(0x121) | |
968 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7) CASEMBC(0x1f5) | |
969 CASEMBC(0x1e21) | |
970 EMIT2('g'); EMITMBC(0x11d) EMITMBC(0x11f) EMITMBC(0x121) | |
971 EMITMBC(0x123) EMITMBC(0x1e5) EMITMBC(0x1e7) | |
972 EMITMBC(0x1f5) EMITMBC(0x1e21) | |
973 return OK; | |
974 | |
975 case 'h': CASEMBC(0x125) CASEMBC(0x127) CASEMBC(0x1e23) | |
976 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96) | |
977 EMIT2('h'); EMITMBC(0x125) EMITMBC(0x127) EMITMBC(0x1e23) | |
978 EMITMBC(0x1e27) EMITMBC(0x1e29) EMITMBC(0x1e96) | |
4444 | 979 return OK; |
980 | |
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981 case 'i': case 0354: case 0355: case 0356: case 0357: |
5351 | 982 CASEMBC(0x129) CASEMBC(0x12b) CASEMBC(0x12d) CASEMBC(0x12f) |
983 CASEMBC(0x1d0) CASEMBC(0x1ec9) | |
984 EMIT2('i'); EMIT2(0354); EMIT2(0355); EMIT2(0356); | |
985 EMIT2(0357); EMITMBC(0x129) EMITMBC(0x12b) | |
986 EMITMBC(0x12d) EMITMBC(0x12f) EMITMBC(0x1d0) | |
987 EMITMBC(0x1ec9) | |
988 return OK; | |
989 | |
990 case 'j': CASEMBC(0x135) CASEMBC(0x1f0) | |
991 EMIT2('j'); EMITMBC(0x135) EMITMBC(0x1f0) | |
992 return OK; | |
993 | |
994 case 'k': CASEMBC(0x137) CASEMBC(0x1e9) CASEMBC(0x1e31) | |
995 CASEMBC(0x1e35) | |
996 EMIT2('k'); EMITMBC(0x137) EMITMBC(0x1e9) EMITMBC(0x1e31) | |
997 EMITMBC(0x1e35) | |
998 return OK; | |
999 | |
1000 case 'l': CASEMBC(0x13a) CASEMBC(0x13c) CASEMBC(0x13e) | |
1001 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b) | |
1002 EMIT2('l'); EMITMBC(0x13a) EMITMBC(0x13c) EMITMBC(0x13e) | |
1003 EMITMBC(0x140) EMITMBC(0x142) EMITMBC(0x1e3b) | |
1004 return OK; | |
1005 | |
1006 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41) | |
1007 EMIT2('m'); EMITMBC(0x1e3f) EMITMBC(0x1e41) | |
4444 | 1008 return OK; |
1009 | |
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1010 case 'n': case 0361: |
5351 | 1011 CASEMBC(0x144) CASEMBC(0x146) CASEMBC(0x148) CASEMBC(0x149) |
1012 CASEMBC(0x1e45) CASEMBC(0x1e49) | |
1013 EMIT2('n'); EMIT2(0361); EMITMBC(0x144) EMITMBC(0x146) | |
1014 EMITMBC(0x148) EMITMBC(0x149) EMITMBC(0x1e45) | |
1015 EMITMBC(0x1e49) | |
4444 | 1016 return OK; |
1017 | |
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1018 case 'o': case 0362: case 0363: case 0364: case 0365: |
5351 | 1019 case 0366: case 0370: |
1020 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151) CASEMBC(0x1a1) | |
1021 CASEMBC(0x1d2) CASEMBC(0x1eb) CASEMBC(0x1ed) CASEMBC(0x1ecf) | |
1022 EMIT2('o'); EMIT2(0362); EMIT2(0363); EMIT2(0364); | |
1023 EMIT2(0365); EMIT2(0366); EMIT2(0370); | |
1024 EMITMBC(0x14d) EMITMBC(0x14f) EMITMBC(0x151) | |
1025 EMITMBC(0x1a1) EMITMBC(0x1d2) EMITMBC(0x1eb) | |
1026 EMITMBC(0x1ed) EMITMBC(0x1ecf) | |
1027 return OK; | |
1028 | |
1029 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57) | |
1030 EMIT2('p'); EMITMBC(0x1e55) EMITMBC(0x1e57) | |
1031 return OK; | |
1032 | |
1033 case 'r': CASEMBC(0x155) CASEMBC(0x157) CASEMBC(0x159) | |
1034 CASEMBC(0x1e59) CASEMBC(0x1e5f) | |
1035 EMIT2('r'); EMITMBC(0x155) EMITMBC(0x157) EMITMBC(0x159) | |
1036 EMITMBC(0x1e59) EMITMBC(0x1e5f) | |
1037 return OK; | |
1038 | |
1039 case 's': CASEMBC(0x15b) CASEMBC(0x15d) CASEMBC(0x15f) | |
1040 CASEMBC(0x161) CASEMBC(0x1e61) | |
1041 EMIT2('s'); EMITMBC(0x15b) EMITMBC(0x15d) EMITMBC(0x15f) | |
1042 EMITMBC(0x161) EMITMBC(0x1e61) | |
1043 return OK; | |
1044 | |
1045 case 't': CASEMBC(0x163) CASEMBC(0x165) CASEMBC(0x167) | |
1046 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97) | |
1047 EMIT2('t'); EMITMBC(0x163) EMITMBC(0x165) EMITMBC(0x167) | |
1048 EMITMBC(0x1e6b) EMITMBC(0x1e6f) EMITMBC(0x1e97) | |
4444 | 1049 return OK; |
1050 | |
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1051 case 'u': case 0371: case 0372: case 0373: case 0374: |
5351 | 1052 CASEMBC(0x169) CASEMBC(0x16b) CASEMBC(0x16d) CASEMBC(0x16f) |
1053 CASEMBC(0x171) CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4) | |
1054 CASEMBC(0x1ee7) | |
1055 EMIT2('u'); EMIT2(0371); EMIT2(0372); EMIT2(0373); | |
1056 EMIT2(0374); EMITMBC(0x169) EMITMBC(0x16b) | |
1057 EMITMBC(0x16d) EMITMBC(0x16f) EMITMBC(0x171) | |
1058 EMITMBC(0x173) EMITMBC(0x1b0) EMITMBC(0x1d4) | |
1059 EMITMBC(0x1ee7) | |
1060 return OK; | |
1061 | |
1062 case 'v': CASEMBC(0x1e7d) | |
1063 EMIT2('v'); EMITMBC(0x1e7d) | |
1064 return OK; | |
1065 | |
1066 case 'w': CASEMBC(0x175) CASEMBC(0x1e81) CASEMBC(0x1e83) | |
1067 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98) | |
1068 EMIT2('w'); EMITMBC(0x175) EMITMBC(0x1e81) EMITMBC(0x1e83) | |
1069 EMITMBC(0x1e85) EMITMBC(0x1e87) EMITMBC(0x1e98) | |
1070 return OK; | |
1071 | |
1072 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d) | |
1073 EMIT2('x'); EMITMBC(0x1e8b) EMITMBC(0x1e8d) | |
4444 | 1074 return OK; |
1075 | |
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|
1076 case 'y': case 0375: case 0377: |
5351 | 1077 CASEMBC(0x177) CASEMBC(0x1e8f) CASEMBC(0x1e99) |
1078 CASEMBC(0x1ef3) CASEMBC(0x1ef7) CASEMBC(0x1ef9) | |
1079 EMIT2('y'); EMIT2(0375); EMIT2(0377); EMITMBC(0x177) | |
1080 EMITMBC(0x1e8f) EMITMBC(0x1e99) EMITMBC(0x1ef3) | |
1081 EMITMBC(0x1ef7) EMITMBC(0x1ef9) | |
4444 | 1082 return OK; |
1083 | |
5351 | 1084 case 'z': CASEMBC(0x17a) CASEMBC(0x17c) CASEMBC(0x17e) |
1085 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95) | |
1086 EMIT2('z'); EMITMBC(0x17a) EMITMBC(0x17c) EMITMBC(0x17e) | |
1087 EMITMBC(0x1b6) EMITMBC(0x1e91) EMITMBC(0x1e95) | |
1088 return OK; | |
1089 | |
1090 /* default: character itself */ | |
4444 | 1091 } |
1092 } | |
1093 | |
5351 | 1094 EMIT2(c); |
4444 | 1095 return OK; |
1096 #undef EMIT2 | |
5351 | 1097 #undef EMITMBC |
4444 | 1098 } |
1099 | |
1100 /* | |
1101 * Code to parse regular expression. | |
1102 * | |
1103 * We try to reuse parsing functions in regexp.c to | |
1104 * minimize surprise and keep the syntax consistent. | |
1105 */ | |
1106 | |
1107 /* | |
1108 * Parse the lowest level. | |
1109 * | |
1110 * An atom can be one of a long list of items. Many atoms match one character | |
1111 * in the text. It is often an ordinary character or a character class. | |
1112 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
1113 * is only for syntax highlighting. | |
1114 * | |
1115 * atom ::= ordinary-atom | |
1116 * or \( pattern \) | |
1117 * or \%( pattern \) | |
1118 * or \z( pattern \) | |
1119 */ | |
1120 static int | |
1121 nfa_regatom() | |
1122 { | |
1123 int c; | |
1124 int charclass; | |
1125 int equiclass; | |
1126 int collclass; | |
1127 int got_coll_char; | |
1128 char_u *p; | |
1129 char_u *endp; | |
1130 #ifdef FEAT_MBYTE | |
1131 char_u *old_regparse = regparse; | |
1132 #endif | |
1133 int extra = 0; | |
1134 int emit_range; | |
1135 int negated; | |
1136 int result; | |
1137 int startc = -1; | |
1138 int endc = -1; | |
1139 int oldstartc = -1; | |
1140 | |
1141 c = getchr(); | |
1142 switch (c) | |
1143 { | |
4543
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1144 case NUL: |
5511 | 1145 EMSG_RET_FAIL(_(e_nul_found)); |
4543
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1146 |
4444 | 1147 case Magic('^'): |
1148 EMIT(NFA_BOL); | |
1149 break; | |
1150 | |
1151 case Magic('$'): | |
1152 EMIT(NFA_EOL); | |
1153 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
1154 had_eol = TRUE; | |
1155 #endif | |
1156 break; | |
1157 | |
1158 case Magic('<'): | |
1159 EMIT(NFA_BOW); | |
1160 break; | |
1161 | |
1162 case Magic('>'): | |
1163 EMIT(NFA_EOW); | |
1164 break; | |
1165 | |
1166 case Magic('_'): | |
1167 c = no_Magic(getchr()); | |
5511 | 1168 if (c == NUL) |
1169 EMSG_RET_FAIL(_(e_nul_found)); | |
1170 | |
4444 | 1171 if (c == '^') /* "\_^" is start-of-line */ |
1172 { | |
1173 EMIT(NFA_BOL); | |
1174 break; | |
1175 } | |
1176 if (c == '$') /* "\_$" is end-of-line */ | |
1177 { | |
1178 EMIT(NFA_EOL); | |
1179 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
1180 had_eol = TRUE; | |
1181 #endif | |
1182 break; | |
1183 } | |
1184 | |
5296 | 1185 extra = NFA_ADD_NL; |
4444 | 1186 |
1187 /* "\_[" is collection plus newline */ | |
1188 if (c == '[') | |
4517
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1189 goto collection; |
4444 | 1190 |
1191 /* "\_x" is character class plus newline */ | |
1192 /*FALLTHROUGH*/ | |
1193 | |
1194 /* | |
1195 * Character classes. | |
1196 */ | |
1197 case Magic('.'): | |
1198 case Magic('i'): | |
1199 case Magic('I'): | |
1200 case Magic('k'): | |
1201 case Magic('K'): | |
1202 case Magic('f'): | |
1203 case Magic('F'): | |
1204 case Magic('p'): | |
1205 case Magic('P'): | |
1206 case Magic('s'): | |
1207 case Magic('S'): | |
1208 case Magic('d'): | |
1209 case Magic('D'): | |
1210 case Magic('x'): | |
1211 case Magic('X'): | |
1212 case Magic('o'): | |
1213 case Magic('O'): | |
1214 case Magic('w'): | |
1215 case Magic('W'): | |
1216 case Magic('h'): | |
1217 case Magic('H'): | |
1218 case Magic('a'): | |
1219 case Magic('A'): | |
1220 case Magic('l'): | |
1221 case Magic('L'): | |
1222 case Magic('u'): | |
1223 case Magic('U'): | |
1224 p = vim_strchr(classchars, no_Magic(c)); | |
1225 if (p == NULL) | |
1226 { | |
5511 | 1227 if (extra == NFA_ADD_NL) |
1228 { | |
1229 EMSGN(_(e_ill_char_class), c); | |
1230 rc_did_emsg = TRUE; | |
1231 return FAIL; | |
1232 } | |
4571
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1233 EMSGN("INTERNAL: Unknown character class char: %ld", c); |
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1234 return FAIL; |
4444 | 1235 } |
1236 #ifdef FEAT_MBYTE | |
1237 /* When '.' is followed by a composing char ignore the dot, so that | |
1238 * the composing char is matched here. */ | |
1239 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) | |
1240 { | |
4535
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1241 old_regparse = regparse; |
4444 | 1242 c = getchr(); |
1243 goto nfa_do_multibyte; | |
1244 } | |
1245 #endif | |
1246 EMIT(nfa_classcodes[p - classchars]); | |
5296 | 1247 if (extra == NFA_ADD_NL) |
4444 | 1248 { |
1249 EMIT(NFA_NEWL); | |
1250 EMIT(NFA_OR); | |
1251 regflags |= RF_HASNL; | |
1252 } | |
1253 break; | |
1254 | |
1255 case Magic('n'): | |
1256 if (reg_string) | |
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1257 /* In a string "\n" matches a newline character. */ |
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1258 EMIT(NL); |
4444 | 1259 else |
1260 { | |
1261 /* In buffer text "\n" matches the end of a line. */ | |
1262 EMIT(NFA_NEWL); | |
1263 regflags |= RF_HASNL; | |
1264 } | |
1265 break; | |
1266 | |
1267 case Magic('('): | |
1268 if (nfa_reg(REG_PAREN) == FAIL) | |
1269 return FAIL; /* cascaded error */ | |
1270 break; | |
1271 | |
1272 case Magic('|'): | |
1273 case Magic('&'): | |
1274 case Magic(')'): | |
4450 | 1275 EMSGN(_(e_misplaced), no_Magic(c)); |
4444 | 1276 return FAIL; |
1277 | |
1278 case Magic('='): | |
1279 case Magic('?'): | |
1280 case Magic('+'): | |
1281 case Magic('@'): | |
1282 case Magic('*'): | |
1283 case Magic('{'): | |
1284 /* these should follow an atom, not form an atom */ | |
4450 | 1285 EMSGN(_(e_misplaced), no_Magic(c)); |
4444 | 1286 return FAIL; |
1287 | |
4714
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1288 case Magic('~'): |
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1289 { |
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1290 char_u *lp; |
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1291 |
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1292 /* Previous substitute pattern. |
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1293 * Generated as "\%(pattern\)". */ |
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1294 if (reg_prev_sub == NULL) |
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1295 { |
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1296 EMSG(_(e_nopresub)); |
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1297 return FAIL; |
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1298 } |
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1299 for (lp = reg_prev_sub; *lp != NUL; mb_cptr_adv(lp)) |
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1300 { |
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1301 EMIT(PTR2CHAR(lp)); |
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1302 if (lp != reg_prev_sub) |
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1303 EMIT(NFA_CONCAT); |
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1304 } |
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1305 EMIT(NFA_NOPEN); |
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1306 break; |
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1307 } |
4444 | 1308 |
4647
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1309 case Magic('1'): |
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1310 case Magic('2'): |
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1311 case Magic('3'): |
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1312 case Magic('4'): |
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1313 case Magic('5'): |
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1314 case Magic('6'): |
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1315 case Magic('7'): |
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1316 case Magic('8'): |
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1317 case Magic('9'): |
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1318 EMIT(NFA_BACKREF1 + (no_Magic(c) - '1')); |
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1319 nfa_has_backref = TRUE; |
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|
1320 break; |
4444 | 1321 |
1322 case Magic('z'): | |
1323 c = no_Magic(getchr()); | |
1324 switch (c) | |
1325 { | |
1326 case 's': | |
1327 EMIT(NFA_ZSTART); | |
6170 | 1328 if (re_mult_next("\\zs") == FAIL) |
1329 return FAIL; | |
4444 | 1330 break; |
1331 case 'e': | |
1332 EMIT(NFA_ZEND); | |
1333 nfa_has_zend = TRUE; | |
6170 | 1334 if (re_mult_next("\\ze") == FAIL) |
1335 return FAIL; | |
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
1336 break; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1337 #ifdef FEAT_SYN_HL |
4444 | 1338 case '1': |
1339 case '2': | |
1340 case '3': | |
1341 case '4': | |
1342 case '5': | |
1343 case '6': | |
1344 case '7': | |
1345 case '8': | |
1346 case '9': | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1347 /* \z1...\z9 */ |
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1348 if (reg_do_extmatch != REX_USE) |
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1349 EMSG_RET_FAIL(_(e_z1_not_allowed)); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1350 EMIT(NFA_ZREF1 + (no_Magic(c) - '1')); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1351 /* 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
|
1352 * change when \z1 .. \z9 matches or not. */ |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1353 re_has_z = REX_USE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1354 break; |
4444 | 1355 case '(': |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1356 /* \z( */ |
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1357 if (reg_do_extmatch != REX_SET) |
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1358 EMSG_RET_FAIL(_(e_z_not_allowed)); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1359 if (nfa_reg(REG_ZPAREN) == FAIL) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1360 return FAIL; /* cascaded error */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1361 re_has_z = REX_SET; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1362 break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1363 #endif |
4444 | 1364 default: |
4450 | 1365 EMSGN(_("E867: (NFA) Unknown operator '\\z%c'"), |
4444 | 1366 no_Magic(c)); |
1367 return FAIL; | |
1368 } | |
1369 break; | |
1370 | |
1371 case Magic('%'): | |
1372 c = no_Magic(getchr()); | |
1373 switch (c) | |
1374 { | |
1375 /* () without a back reference */ | |
1376 case '(': | |
1377 if (nfa_reg(REG_NPAREN) == FAIL) | |
1378 return FAIL; | |
1379 EMIT(NFA_NOPEN); | |
1380 break; | |
1381 | |
1382 case 'd': /* %d123 decimal */ | |
1383 case 'o': /* %o123 octal */ | |
1384 case 'x': /* %xab hex 2 */ | |
1385 case 'u': /* %uabcd hex 4 */ | |
1386 case 'U': /* %U1234abcd hex 8 */ | |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1387 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1388 int nr; |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1389 |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1390 switch (c) |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1391 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1392 case 'd': nr = getdecchrs(); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1393 case 'o': nr = getoctchrs(); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1394 case 'x': nr = gethexchrs(2); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1395 case 'u': nr = gethexchrs(4); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1396 case 'U': nr = gethexchrs(8); break; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1397 default: nr = -1; break; |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1398 } |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1399 |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1400 if (nr < 0) |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1401 EMSG2_RET_FAIL( |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1402 _("E678: Invalid character after %s%%[dxouU]"), |
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1403 reg_magic == MAGIC_ALL); |
5360 | 1404 /* A NUL is stored in the text as NL */ |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1405 /* TODO: what if a composing character follows? */ |
5360 | 1406 EMIT(nr == 0 ? 0x0a : nr); |
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1407 } |
4444 | 1408 break; |
1409 | |
1410 /* Catch \%^ and \%$ regardless of where they appear in the | |
1411 * pattern -- regardless of whether or not it makes sense. */ | |
1412 case '^': | |
1413 EMIT(NFA_BOF); | |
1414 break; | |
1415 | |
1416 case '$': | |
1417 EMIT(NFA_EOF); | |
1418 break; | |
1419 | |
1420 case '#': | |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1421 EMIT(NFA_CURSOR); |
4444 | 1422 break; |
1423 | |
1424 case 'V': | |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
1425 EMIT(NFA_VISUAL); |
4444 | 1426 break; |
1427 | |
5901 | 1428 case 'C': |
1429 EMIT(NFA_ANY_COMPOSING); | |
1430 break; | |
1431 | |
4444 | 1432 case '[': |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1433 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1434 int n; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1435 |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1436 /* \%[abc] */ |
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1437 for (n = 0; (c = peekchr()) != ']'; ++n) |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1438 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1439 if (c == NUL) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1440 EMSG2_RET_FAIL(_(e_missing_sb), |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1441 reg_magic == MAGIC_ALL); |
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1442 /* recursive call! */ |
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1443 if (nfa_regatom() == FAIL) |
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1444 return FAIL; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1445 } |
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1446 getchr(); /* get the ] */ |
4760
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1447 if (n == 0) |
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1448 EMSG2_RET_FAIL(_(e_empty_sb), |
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1449 reg_magic == MAGIC_ALL); |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1450 EMIT(NFA_OPT_CHARS); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1451 EMIT(n); |
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1452 |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1453 /* Emit as "\%(\%[abc]\)" to be able to handle |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1454 * "\%[abc]*" which would cause the empty string to be |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1455 * matched an unlimited number of times. NFA_NOPEN is |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1456 * added only once at a position, while NFA_SPLIT is |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1457 * added multiple times. This is more efficient than |
6547 | 1458 * not allowing NFA_SPLIT multiple times, it is used |
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1459 * a lot. */ |
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1460 EMIT(NFA_NOPEN); |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1461 break; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1462 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1463 |
4444 | 1464 default: |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1465 { |
4655
779ca415f8e1
updated for version 7.3.1075
Bram Moolenaar <bram@vim.org>
parents:
4651
diff
changeset
|
1466 int n = 0; |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1467 int cmp = c; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1468 |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1469 if (c == '<' || c == '>') |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1470 c = getchr(); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1471 while (VIM_ISDIGIT(c)) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1472 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1473 n = n * 10 + (c - '0'); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1474 c = getchr(); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1475 } |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1476 if (c == 'l' || c == 'c' || c == 'v') |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1477 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1478 if (c == 'l') |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1479 /* \%{n}l \%{n}<l \%{n}>l */ |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1480 EMIT(cmp == '<' ? NFA_LNUM_LT : |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1481 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1482 else if (c == 'c') |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1483 /* \%{n}c \%{n}<c \%{n}>c */ |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1484 EMIT(cmp == '<' ? NFA_COL_LT : |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1485 cmp == '>' ? NFA_COL_GT : NFA_COL); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1486 else |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1487 /* \%{n}v \%{n}<v \%{n}>v */ |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1488 EMIT(cmp == '<' ? NFA_VCOL_LT : |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1489 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1490 EMIT(n); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1491 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1492 } |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1493 else if (c == '\'' && n == 0) |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1494 { |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1495 /* \%'m \%<'m \%>'m */ |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1496 EMIT(cmp == '<' ? NFA_MARK_LT : |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1497 cmp == '>' ? NFA_MARK_GT : NFA_MARK); |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1498 EMIT(getchr()); |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1499 break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1500 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
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1501 } |
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|
1502 EMSGN(_("E867: (NFA) Unknown operator '\\%%%c'"), |
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|
1503 no_Magic(c)); |
4444 | 1504 return FAIL; |
1505 } | |
1506 break; | |
1507 | |
1508 case Magic('['): | |
4517
9a2183bd8295
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|
1509 collection: |
4444 | 1510 /* |
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1511 * [abc] uses NFA_START_COLL - NFA_END_COLL |
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1512 * [^abc] uses NFA_START_NEG_COLL - NFA_END_NEG_COLL |
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1513 * Each character is produced as a regular state, using |
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1514 * NFA_CONCAT to bind them together. |
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1515 * Besides normal characters there can be: |
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|
1516 * - character classes NFA_CLASS_* |
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|
1517 * - ranges, two characters followed by NFA_RANGE. |
4444 | 1518 */ |
1519 | |
1520 p = regparse; | |
1521 endp = skip_anyof(p); | |
1522 if (*endp == ']') | |
1523 { | |
1524 /* | |
1525 * Try to reverse engineer character classes. For example, | |
5296 | 1526 * recognize that [0-9] stands for \d and [A-Za-z_] for \h, |
4444 | 1527 * and perform the necessary substitutions in the NFA. |
1528 */ | |
1529 result = nfa_recognize_char_class(regparse, endp, | |
5296 | 1530 extra == NFA_ADD_NL); |
4444 | 1531 if (result != FAIL) |
1532 { | |
5296 | 1533 if (result >= NFA_FIRST_NL && result <= NFA_LAST_NL) |
4444 | 1534 { |
5296 | 1535 EMIT(result - NFA_ADD_NL); |
4444 | 1536 EMIT(NFA_NEWL); |
1537 EMIT(NFA_OR); | |
1538 } | |
5296 | 1539 else |
1540 EMIT(result); | |
4444 | 1541 regparse = endp; |
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|
1542 mb_ptr_adv(regparse); |
4444 | 1543 return OK; |
1544 } | |
1545 /* | |
1546 * Failed to recognize a character class. Use the simple | |
1547 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
1548 */ | |
1549 startc = endc = oldstartc = -1; | |
1550 negated = FALSE; | |
1551 if (*regparse == '^') /* negated range */ | |
1552 { | |
1553 negated = TRUE; | |
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1554 mb_ptr_adv(regparse); |
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|
1555 EMIT(NFA_START_NEG_COLL); |
4444 | 1556 } |
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1557 else |
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1558 EMIT(NFA_START_COLL); |
4444 | 1559 if (*regparse == '-') |
1560 { | |
1561 startc = '-'; | |
1562 EMIT(startc); | |
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1563 EMIT(NFA_CONCAT); |
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|
1564 mb_ptr_adv(regparse); |
4444 | 1565 } |
1566 /* Emit the OR branches for each character in the [] */ | |
1567 emit_range = FALSE; | |
1568 while (regparse < endp) | |
1569 { | |
1570 oldstartc = startc; | |
1571 startc = -1; | |
1572 got_coll_char = FALSE; | |
1573 if (*regparse == '[') | |
1574 { | |
1575 /* Check for [: :], [= =], [. .] */ | |
1576 equiclass = collclass = 0; | |
1577 charclass = get_char_class(®parse); | |
1578 if (charclass == CLASS_NONE) | |
1579 { | |
1580 equiclass = get_equi_class(®parse); | |
1581 if (equiclass == 0) | |
1582 collclass = get_coll_element(®parse); | |
1583 } | |
1584 | |
1585 /* Character class like [:alpha:] */ | |
1586 if (charclass != CLASS_NONE) | |
1587 { | |
1588 switch (charclass) | |
1589 { | |
1590 case CLASS_ALNUM: | |
1591 EMIT(NFA_CLASS_ALNUM); | |
1592 break; | |
1593 case CLASS_ALPHA: | |
1594 EMIT(NFA_CLASS_ALPHA); | |
1595 break; | |
1596 case CLASS_BLANK: | |
1597 EMIT(NFA_CLASS_BLANK); | |
1598 break; | |
1599 case CLASS_CNTRL: | |
1600 EMIT(NFA_CLASS_CNTRL); | |
1601 break; | |
1602 case CLASS_DIGIT: | |
1603 EMIT(NFA_CLASS_DIGIT); | |
1604 break; | |
1605 case CLASS_GRAPH: | |
1606 EMIT(NFA_CLASS_GRAPH); | |
1607 break; | |
1608 case CLASS_LOWER: | |
1609 EMIT(NFA_CLASS_LOWER); | |
1610 break; | |
1611 case CLASS_PRINT: | |
1612 EMIT(NFA_CLASS_PRINT); | |
1613 break; | |
1614 case CLASS_PUNCT: | |
1615 EMIT(NFA_CLASS_PUNCT); | |
1616 break; | |
1617 case CLASS_SPACE: | |
1618 EMIT(NFA_CLASS_SPACE); | |
1619 break; | |
1620 case CLASS_UPPER: | |
1621 EMIT(NFA_CLASS_UPPER); | |
1622 break; | |
1623 case CLASS_XDIGIT: | |
1624 EMIT(NFA_CLASS_XDIGIT); | |
1625 break; | |
1626 case CLASS_TAB: | |
1627 EMIT(NFA_CLASS_TAB); | |
1628 break; | |
1629 case CLASS_RETURN: | |
1630 EMIT(NFA_CLASS_RETURN); | |
1631 break; | |
1632 case CLASS_BACKSPACE: | |
1633 EMIT(NFA_CLASS_BACKSPACE); | |
1634 break; | |
1635 case CLASS_ESCAPE: | |
1636 EMIT(NFA_CLASS_ESCAPE); | |
1637 break; | |
1638 } | |
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|
1639 EMIT(NFA_CONCAT); |
4444 | 1640 continue; |
1641 } | |
1642 /* Try equivalence class [=a=] and the like */ | |
1643 if (equiclass != 0) | |
1644 { | |
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1645 result = nfa_emit_equi_class(equiclass); |
4444 | 1646 if (result == FAIL) |
1647 { | |
1648 /* should never happen */ | |
1649 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); | |
1650 } | |
1651 continue; | |
1652 } | |
1653 /* Try collating class like [. .] */ | |
1654 if (collclass != 0) | |
1655 { | |
1656 startc = collclass; /* allow [.a.]-x as a range */ | |
1657 /* Will emit the proper atom at the end of the | |
1658 * while loop. */ | |
1659 } | |
1660 } | |
4677
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1661 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a |
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1662 * start character. */ |
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|
1663 if (*regparse == '-' && oldstartc != -1) |
4444 | 1664 { |
1665 emit_range = TRUE; | |
1666 startc = oldstartc; | |
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1667 mb_ptr_adv(regparse); |
4444 | 1668 continue; /* reading the end of the range */ |
1669 } | |
1670 | |
1671 /* Now handle simple and escaped characters. | |
1672 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
1673 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
1674 * 'cpoptions' is not included. | |
1675 * Posix doesn't recognize backslash at all. | |
1676 */ | |
1677 if (*regparse == '\\' | |
4744
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1678 && !reg_cpo_bsl |
4444 | 1679 && regparse + 1 <= endp |
1680 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
4744
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1681 || (!reg_cpo_lit |
4444 | 1682 && vim_strchr(REGEXP_ABBR, regparse[1]) |
1683 != NULL) | |
1684 ) | |
1685 ) | |
1686 { | |
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|
1687 mb_ptr_adv(regparse); |
4444 | 1688 |
4507
9dbbddb2ed10
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|
1689 if (*regparse == 'n') |
4444 | 1690 startc = reg_string ? NL : NFA_NEWL; |
1691 else | |
1692 if (*regparse == 'd' | |
1693 || *regparse == 'o' | |
1694 || *regparse == 'x' | |
1695 || *regparse == 'u' | |
1696 || *regparse == 'U' | |
1697 ) | |
1698 { | |
1699 /* TODO(RE) This needs more testing */ | |
1700 startc = coll_get_char(); | |
1701 got_coll_char = TRUE; | |
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1702 mb_ptr_back(old_regparse, regparse); |
4444 | 1703 } |
1704 else | |
1705 { | |
1706 /* \r,\t,\e,\b */ | |
1707 startc = backslash_trans(*regparse); | |
1708 } | |
1709 } | |
1710 | |
1711 /* Normal printable char */ | |
1712 if (startc == -1) | |
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1713 startc = PTR2CHAR(regparse); |
4444 | 1714 |
1715 /* Previous char was '-', so this char is end of range. */ | |
1716 if (emit_range) | |
1717 { | |
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1718 endc = startc; |
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1719 startc = oldstartc; |
4444 | 1720 if (startc > endc) |
1721 EMSG_RET_FAIL(_(e_invrange)); | |
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1722 |
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|
1723 if (endc > startc + 2) |
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1724 { |
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|
1725 /* Emit a range instead of the sequence of |
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|
1726 * individual characters. */ |
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|
1727 if (startc == 0) |
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|
1728 /* \x00 is translated to \x0a, start at \x01. */ |
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|
1729 EMIT(1); |
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|
1730 else |
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|
1731 --post_ptr; /* remove NFA_CONCAT */ |
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|
1732 EMIT(endc); |
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|
1733 EMIT(NFA_RANGE); |
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|
1734 EMIT(NFA_CONCAT); |
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|
1735 } |
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1736 else |
4444 | 1737 #ifdef FEAT_MBYTE |
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|
1738 if (has_mbyte && ((*mb_char2len)(startc) > 1 |
4444 | 1739 || (*mb_char2len)(endc) > 1)) |
1740 { | |
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1741 /* Emit the characters in the range. |
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1742 * "startc" was already emitted, so skip it. |
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|
1743 * */ |
4444 | 1744 for (c = startc + 1; c <= endc; c++) |
1745 { | |
4527
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1746 EMIT(c); |
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|
1747 EMIT(NFA_CONCAT); |
4444 | 1748 } |
1749 } | |
1750 else | |
1751 #endif | |
1752 { | |
1753 #ifdef EBCDIC | |
1754 int alpha_only = FALSE; | |
1755 | |
1756 /* for alphabetical range skip the gaps | |
1757 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
1758 if (isalpha(startc) && isalpha(endc)) | |
1759 alpha_only = TRUE; | |
1760 #endif | |
1761 /* Emit the range. "startc" was already emitted, so | |
1762 * skip it. */ | |
1763 for (c = startc + 1; c <= endc; c++) | |
1764 #ifdef EBCDIC | |
1765 if (!alpha_only || isalpha(startc)) | |
1766 #endif | |
1767 { | |
1768 EMIT(c); | |
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1769 EMIT(NFA_CONCAT); |
4444 | 1770 } |
1771 } | |
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1772 emit_range = FALSE; |
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1773 startc = -1; |
4444 | 1774 } |
1775 else | |
1776 { | |
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1777 /* This char (startc) is not part of a range. Just |
4444 | 1778 * emit it. |
1779 * Normally, simply emit startc. But if we get char | |
1780 * code=0 from a collating char, then replace it with | |
1781 * 0x0a. | |
1782 * This is needed to completely mimic the behaviour of | |
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1783 * the backtracking engine. */ |
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1784 if (startc == NFA_NEWL) |
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|
1785 { |
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1786 /* Line break can't be matched as part of the |
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1787 * collection, add an OR below. But not for negated |
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1788 * range. */ |
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|
1789 if (!negated) |
5296 | 1790 extra = NFA_ADD_NL; |
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1791 } |
4444 | 1792 else |
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1793 { |
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1794 if (got_coll_char == TRUE && startc == 0) |
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1795 EMIT(0x0a); |
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1796 else |
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|
1797 EMIT(startc); |
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|
1798 EMIT(NFA_CONCAT); |
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1799 } |
4444 | 1800 } |
1801 | |
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|
1802 mb_ptr_adv(regparse); |
4444 | 1803 } /* while (p < endp) */ |
1804 | |
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|
1805 mb_ptr_back(old_regparse, regparse); |
4444 | 1806 if (*regparse == '-') /* if last, '-' is just a char */ |
1807 { | |
1808 EMIT('-'); | |
4781
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|
1809 EMIT(NFA_CONCAT); |
4444 | 1810 } |
1811 | |
1812 /* skip the trailing ] */ | |
1813 regparse = endp; | |
4573
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|
1814 mb_ptr_adv(regparse); |
4781
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|
1815 |
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|
1816 /* Mark end of the collection. */ |
4444 | 1817 if (negated == TRUE) |
4781
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|
1818 EMIT(NFA_END_NEG_COLL); |
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|
1819 else |
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|
1820 EMIT(NFA_END_COLL); |
4615
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|
1821 |
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|
1822 /* \_[] also matches \n but it's not negated */ |
5296 | 1823 if (extra == NFA_ADD_NL) |
4615
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|
1824 { |
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|
1825 EMIT(reg_string ? NL : NFA_NEWL); |
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|
1826 EMIT(NFA_OR); |
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|
1827 } |
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|
1828 |
4444 | 1829 return OK; |
4529
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|
1830 } /* if exists closing ] */ |
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|
1831 |
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|
1832 if (reg_strict) |
4444 | 1833 EMSG_RET_FAIL(_(e_missingbracket)); |
4529
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|
1834 /* FALLTHROUGH */ |
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|
1835 |
4444 | 1836 default: |
1837 { | |
1838 #ifdef FEAT_MBYTE | |
1839 int plen; | |
1840 | |
1841 nfa_do_multibyte: | |
4543
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|
1842 /* plen is length of current char with composing chars */ |
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|
1843 if (enc_utf8 && ((*mb_char2len)(c) |
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|
1844 != (plen = (*mb_ptr2len)(old_regparse)) |
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|
1845 || utf_iscomposing(c))) |
4444 | 1846 { |
4549
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|
1847 int i = 0; |
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|
1848 |
4535
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|
1849 /* A base character plus composing characters, or just one |
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|
1850 * or more composing characters. |
4527
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1851 * This requires creating a separate atom as if enclosing |
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1852 * the characters in (), where NFA_COMPOSING is the ( and |
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|
1853 * NFA_END_COMPOSING is the ). Note that right now we are |
4444 | 1854 * building the postfix form, not the NFA itself; |
1855 * a composing char could be: a, b, c, NFA_COMPOSING | |
4527
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1856 * where 'b' and 'c' are chars with codes > 256. */ |
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|
1857 for (;;) |
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|
1858 { |
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|
1859 EMIT(c); |
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1860 if (i > 0) |
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1861 EMIT(NFA_CONCAT); |
4529
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|
1862 if ((i += utf_char2len(c)) >= plen) |
4527
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|
1863 break; |
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|
1864 c = utf_ptr2char(old_regparse + i); |
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|
1865 } |
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|
1866 EMIT(NFA_COMPOSING); |
4444 | 1867 regparse = old_regparse + plen; |
1868 } | |
1869 else | |
1870 #endif | |
1871 { | |
1872 c = no_Magic(c); | |
1873 EMIT(c); | |
1874 } | |
1875 return OK; | |
1876 } | |
1877 } | |
1878 | |
1879 return OK; | |
1880 } | |
1881 | |
1882 /* | |
1883 * Parse something followed by possible [*+=]. | |
1884 * | |
1885 * A piece is an atom, possibly followed by a multi, an indication of how many | |
1886 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
1887 * characters: "", "a", "aa", etc. | |
1888 * | |
1889 * piece ::= atom | |
1890 * or atom multi | |
1891 */ | |
1892 static int | |
1893 nfa_regpiece() | |
1894 { | |
1895 int i; | |
1896 int op; | |
1897 int ret; | |
1898 long minval, maxval; | |
1899 int greedy = TRUE; /* Braces are prefixed with '-' ? */ | |
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1900 parse_state_T old_state; |
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1901 parse_state_T new_state; |
4444 | 1902 int c2; |
4651
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1903 int old_post_pos; |
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1904 int my_post_start; |
4444 | 1905 int quest; |
1906 | |
4679
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1907 /* Save the current parse state, so that we can use it if <atom>{m,n} is |
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|
1908 * next. */ |
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1909 save_parse_state(&old_state); |
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1910 |
4444 | 1911 /* store current pos in the postfix form, for \{m,n} involving 0s */ |
4651
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1912 my_post_start = (int)(post_ptr - post_start); |
4444 | 1913 |
1914 ret = nfa_regatom(); | |
1915 if (ret == FAIL) | |
1916 return FAIL; /* cascaded error */ | |
1917 | |
1918 op = peekchr(); | |
1919 if (re_multi_type(op) == NOT_MULTI) | |
1920 return OK; | |
1921 | |
1922 skipchr(); | |
1923 switch (op) | |
1924 { | |
1925 case Magic('*'): | |
1926 EMIT(NFA_STAR); | |
1927 break; | |
1928 | |
1929 case Magic('+'): | |
1930 /* | |
1931 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
1932 * first and only submatch would be "aaa". But the backtracking | |
1933 * engine interprets the plus as "try matching one more time", and | |
1934 * a* matches a second time at the end of the input, the empty | |
1935 * string. | |
5255
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1936 * The submatch will be the empty string. |
4444 | 1937 * |
4673
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1938 * In order to be consistent with the old engine, we replace |
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1939 * <atom>+ with <atom><atom>* |
4444 | 1940 */ |
4679
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|
1941 restore_parse_state(&old_state); |
4444 | 1942 curchr = -1; |
1943 if (nfa_regatom() == FAIL) | |
1944 return FAIL; | |
1945 EMIT(NFA_STAR); | |
1946 EMIT(NFA_CONCAT); | |
1947 skipchr(); /* skip the \+ */ | |
1948 break; | |
1949 | |
1950 case Magic('@'): | |
4682
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1951 c2 = getdecchrs(); |
4444 | 1952 op = no_Magic(getchr()); |
4682
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1953 i = 0; |
4444 | 1954 switch(op) |
1955 { | |
1956 case '=': | |
4682
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1957 /* \@= */ |
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1958 i = NFA_PREV_ATOM_NO_WIDTH; |
4444 | 1959 break; |
4661
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1960 case '!': |
4682
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1961 /* \@! */ |
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1962 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
4661
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1963 break; |
4444 | 1964 case '<': |
4682
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1965 op = no_Magic(getchr()); |
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1966 if (op == '=') |
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1967 /* \@<= */ |
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1968 i = NFA_PREV_ATOM_JUST_BEFORE; |
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1969 else if (op == '!') |
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|
1970 /* \@<! */ |
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|
1971 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
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|
1972 break; |
4444 | 1973 case '>': |
4750
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1974 /* \@> */ |
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1975 i = NFA_PREV_ATOM_LIKE_PATTERN; |
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1976 break; |
4444 | 1977 } |
4682
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1978 if (i == 0) |
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|
1979 { |
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|
1980 EMSGN(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
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1981 return FAIL; |
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|
1982 } |
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|
1983 EMIT(i); |
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|
1984 if (i == NFA_PREV_ATOM_JUST_BEFORE |
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|
1985 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
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|
1986 EMIT(c2); |
4444 | 1987 break; |
1988 | |
1989 case Magic('?'): | |
1990 case Magic('='): | |
1991 EMIT(NFA_QUEST); | |
1992 break; | |
1993 | |
1994 case Magic('{'): | |
1995 /* a{2,5} will expand to 'aaa?a?a?' | |
1996 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy | |
1997 * version of '?' | |
1998 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the | |
1999 * parenthesis have the same id | |
2000 */ | |
2001 | |
2002 greedy = TRUE; | |
2003 c2 = peekchr(); | |
2004 if (c2 == '-' || c2 == Magic('-')) | |
2005 { | |
2006 skipchr(); | |
2007 greedy = FALSE; | |
2008 } | |
2009 if (!read_limits(&minval, &maxval)) | |
2010 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
4762
47906f888725
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|
2011 |
4444 | 2012 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to |
2013 * <atom>* */ | |
4675
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2014 if (minval == 0 && maxval == MAX_LIMIT) |
4444 | 2015 { |
6533 | 2016 if (greedy) /* { { (match the braces) */ |
4675
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2017 /* \{}, \{0,} */ |
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2018 EMIT(NFA_STAR); |
6533 | 2019 else /* { { (match the braces) */ |
4675
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|
2020 /* \{-}, \{-0,} */ |
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2021 EMIT(NFA_STAR_NONGREEDY); |
4444 | 2022 break; |
2023 } | |
2024 | |
2025 /* Special case: x{0} or x{-0} */ | |
2026 if (maxval == 0) | |
2027 { | |
2028 /* Ignore result of previous call to nfa_regatom() */ | |
4651
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2029 post_ptr = post_start + my_post_start; |
5370 | 2030 /* NFA_EMPTY is 0-length and works everywhere */ |
2031 EMIT(NFA_EMPTY); | |
4444 | 2032 return OK; |
2033 } | |
2034 | |
6533 | 2035 /* The engine is very inefficient (uses too many states) when the |
6594 | 2036 * maximum is much larger than the minimum and when the maximum is |
2037 * large. Bail out if we can use the other engine. */ | |
2038 if ((nfa_re_flags & RE_AUTO) | |
2039 && (maxval > minval + 200 || maxval > 500)) | |
6533 | 2040 return FAIL; |
2041 | |
4444 | 2042 /* Ignore previous call to nfa_regatom() */ |
4651
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2043 post_ptr = post_start + my_post_start; |
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2044 /* Save parse state after the repeated atom and the \{} */ |
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|
2045 save_parse_state(&new_state); |
4444 | 2046 |
2047 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
2048 for (i = 0; i < maxval; i++) | |
2049 { | |
2050 /* Goto beginning of the repeated atom */ | |
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2051 restore_parse_state(&old_state); |
4651
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2052 old_post_pos = (int)(post_ptr - post_start); |
4444 | 2053 if (nfa_regatom() == FAIL) |
2054 return FAIL; | |
2055 /* after "minval" times, atoms are optional */ | |
2056 if (i + 1 > minval) | |
4673
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|
2057 { |
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2058 if (maxval == MAX_LIMIT) |
4675
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|
2059 { |
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|
2060 if (greedy) |
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|
2061 EMIT(NFA_STAR); |
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|
2062 else |
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|
2063 EMIT(NFA_STAR_NONGREEDY); |
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|
2064 } |
4673
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2065 else |
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|
2066 EMIT(quest); |
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|
2067 } |
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|
2068 if (old_post_pos != my_post_start) |
4444 | 2069 EMIT(NFA_CONCAT); |
4673
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|
2070 if (i + 1 > minval && maxval == MAX_LIMIT) |
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|
2071 break; |
4444 | 2072 } |
2073 | |
2074 /* Go to just after the repeated atom and the \{} */ | |
4679
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2075 restore_parse_state(&new_state); |
4444 | 2076 curchr = -1; |
2077 | |
2078 break; | |
2079 | |
2080 | |
2081 default: | |
2082 break; | |
2083 } /* end switch */ | |
2084 | |
2085 if (re_multi_type(peekchr()) != NOT_MULTI) | |
2086 /* Can't have a multi follow a multi. */ | |
2087 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi !")); | |
2088 | |
2089 return OK; | |
2090 } | |
2091 | |
2092 /* | |
2093 * Parse one or more pieces, concatenated. It matches a match for the | |
2094 * first piece, followed by a match for the second piece, etc. Example: | |
2095 * "f[0-9]b", first matches "f", then a digit and then "b". | |
2096 * | |
2097 * concat ::= piece | |
2098 * or piece piece | |
2099 * or piece piece piece | |
2100 * etc. | |
2101 */ | |
2102 static int | |
2103 nfa_regconcat() | |
2104 { | |
2105 int cont = TRUE; | |
2106 int first = TRUE; | |
2107 | |
2108 while (cont) | |
2109 { | |
2110 switch (peekchr()) | |
2111 { | |
2112 case NUL: | |
2113 case Magic('|'): | |
2114 case Magic('&'): | |
2115 case Magic(')'): | |
2116 cont = FALSE; | |
2117 break; | |
2118 | |
2119 case Magic('Z'): | |
2120 #ifdef FEAT_MBYTE | |
2121 regflags |= RF_ICOMBINE; | |
2122 #endif | |
2123 skipchr_keepstart(); | |
2124 break; | |
2125 case Magic('c'): | |
2126 regflags |= RF_ICASE; | |
2127 skipchr_keepstart(); | |
2128 break; | |
2129 case Magic('C'): | |
2130 regflags |= RF_NOICASE; | |
2131 skipchr_keepstart(); | |
2132 break; | |
2133 case Magic('v'): | |
2134 reg_magic = MAGIC_ALL; | |
2135 skipchr_keepstart(); | |
2136 curchr = -1; | |
2137 break; | |
2138 case Magic('m'): | |
2139 reg_magic = MAGIC_ON; | |
2140 skipchr_keepstart(); | |
2141 curchr = -1; | |
2142 break; | |
2143 case Magic('M'): | |
2144 reg_magic = MAGIC_OFF; | |
2145 skipchr_keepstart(); | |
2146 curchr = -1; | |
2147 break; | |
2148 case Magic('V'): | |
2149 reg_magic = MAGIC_NONE; | |
2150 skipchr_keepstart(); | |
2151 curchr = -1; | |
2152 break; | |
2153 | |
2154 default: | |
2155 if (nfa_regpiece() == FAIL) | |
2156 return FAIL; | |
2157 if (first == FALSE) | |
2158 EMIT(NFA_CONCAT); | |
2159 else | |
2160 first = FALSE; | |
2161 break; | |
2162 } | |
2163 } | |
2164 | |
2165 return OK; | |
2166 } | |
2167 | |
2168 /* | |
2169 * Parse a branch, one or more concats, separated by "\&". It matches the | |
2170 * last concat, but only if all the preceding concats also match at the same | |
2171 * position. Examples: | |
2172 * "foobeep\&..." matches "foo" in "foobeep". | |
2173 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
2174 * | |
2175 * branch ::= concat | |
2176 * or concat \& concat | |
2177 * or concat \& concat \& concat | |
2178 * etc. | |
2179 */ | |
2180 static int | |
2181 nfa_regbranch() | |
2182 { | |
2183 int ch; | |
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|
2184 int old_post_pos; |
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2185 |
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|
2186 old_post_pos = (int)(post_ptr - post_start); |
4444 | 2187 |
2188 /* First branch, possibly the only one */ | |
2189 if (nfa_regconcat() == FAIL) | |
2190 return FAIL; | |
2191 | |
2192 ch = peekchr(); | |
2193 /* Try next concats */ | |
2194 while (ch == Magic('&')) | |
2195 { | |
2196 skipchr(); | |
2197 EMIT(NFA_NOPEN); | |
2198 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
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2199 old_post_pos = (int)(post_ptr - post_start); |
4444 | 2200 if (nfa_regconcat() == FAIL) |
2201 return FAIL; | |
5370 | 2202 /* if concat is empty do emit a node */ |
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|
2203 if (old_post_pos == (int)(post_ptr - post_start)) |
5370 | 2204 EMIT(NFA_EMPTY); |
4444 | 2205 EMIT(NFA_CONCAT); |
2206 ch = peekchr(); | |
2207 } | |
2208 | |
5370 | 2209 /* if a branch is empty, emit one node for it */ |
4651
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|
2210 if (old_post_pos == (int)(post_ptr - post_start)) |
5370 | 2211 EMIT(NFA_EMPTY); |
4444 | 2212 |
2213 return OK; | |
2214 } | |
2215 | |
2216 /* | |
2217 * Parse a pattern, one or more branches, separated by "\|". It matches | |
2218 * anything that matches one of the branches. Example: "foo\|beep" matches | |
2219 * "foo" and matches "beep". If more than one branch matches, the first one | |
2220 * is used. | |
2221 * | |
2222 * pattern ::= branch | |
2223 * or branch \| branch | |
2224 * or branch \| branch \| branch | |
2225 * etc. | |
2226 */ | |
2227 static int | |
2228 nfa_reg(paren) | |
2229 int paren; /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ | |
2230 { | |
2231 int parno = 0; | |
2232 | |
2233 if (paren == REG_PAREN) | |
2234 { | |
2235 if (regnpar >= NSUBEXP) /* Too many `(' */ | |
2236 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); | |
2237 parno = regnpar++; | |
2238 } | |
4686
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2239 #ifdef FEAT_SYN_HL |
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2240 else if (paren == REG_ZPAREN) |
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2241 { |
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2242 /* Make a ZOPEN node. */ |
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2243 if (regnzpar >= NSUBEXP) |
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2244 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
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2245 parno = regnzpar++; |
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|
2246 } |
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2247 #endif |
4444 | 2248 |
2249 if (nfa_regbranch() == FAIL) | |
2250 return FAIL; /* cascaded error */ | |
2251 | |
2252 while (peekchr() == Magic('|')) | |
2253 { | |
2254 skipchr(); | |
2255 if (nfa_regbranch() == FAIL) | |
2256 return FAIL; /* cascaded error */ | |
2257 EMIT(NFA_OR); | |
2258 } | |
2259 | |
2260 /* Check for proper termination. */ | |
2261 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
2262 { | |
2263 if (paren == REG_NPAREN) | |
2264 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
2265 else | |
2266 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
2267 } | |
2268 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
2269 { | |
2270 if (peekchr() == Magic(')')) | |
2271 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
2272 else | |
2273 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
2274 } | |
2275 /* | |
2276 * Here we set the flag allowing back references to this set of | |
2277 * parentheses. | |
2278 */ | |
2279 if (paren == REG_PAREN) | |
2280 { | |
2281 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
2282 EMIT(NFA_MOPEN + parno); | |
2283 } | |
4686
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2284 #ifdef FEAT_SYN_HL |
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2285 else if (paren == REG_ZPAREN) |
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2286 EMIT(NFA_ZOPEN + parno); |
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2287 #endif |
4444 | 2288 |
2289 return OK; | |
2290 } | |
2291 | |
2292 #ifdef DEBUG | |
2293 static char_u code[50]; | |
2294 | |
2295 static void | |
2296 nfa_set_code(c) | |
2297 int c; | |
2298 { | |
2299 int addnl = FALSE; | |
2300 | |
2301 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
2302 { | |
2303 addnl = TRUE; | |
5296 | 2304 c -= NFA_ADD_NL; |
4444 | 2305 } |
2306 | |
2307 STRCPY(code, ""); | |
2308 switch (c) | |
2309 { | |
2310 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
2311 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
2312 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
2313 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
2314 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
2315 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
2316 | |
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2317 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
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2318 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
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2319 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
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2320 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
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2321 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
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2322 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
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2323 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
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2324 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
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2325 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break; |
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2326 #ifdef FEAT_SYN_HL |
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2327 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
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2328 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
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2329 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
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2330 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
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2331 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
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2332 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
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2333 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
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2334 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
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2335 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
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2336 #endif |
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2337 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
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2338 |
4444 | 2339 case NFA_PREV_ATOM_NO_WIDTH: |
2340 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break; | |
4583
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2341 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
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2342 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break; |
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2343 case NFA_PREV_ATOM_JUST_BEFORE: |
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2344 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
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2345 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
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2346 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE_NEG"); break; |
4750
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2347 case NFA_PREV_ATOM_LIKE_PATTERN: |
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2348 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break; |
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2349 |
4657
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|
2350 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
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changeset
|
2351 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
4444 | 2352 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
|
2353 case NFA_START_INVISIBLE_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2354 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break; |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2355 case NFA_START_INVISIBLE_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2356 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break; |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2357 case NFA_START_INVISIBLE_NEG_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2358 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
|
2359 case NFA_START_INVISIBLE_BEFORE: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2360 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2361 case NFA_START_INVISIBLE_BEFORE_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2362 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
|
2363 case NFA_START_INVISIBLE_BEFORE_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2364 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
|
2365 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2366 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
|
2367 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break; |
4444 | 2368 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
|
2369 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
|
2370 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break; |
4444 | 2371 |
2372 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
2373 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
|
2374 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break; |
4444 | 2375 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2376 case NFA_MOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2377 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2378 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2379 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2380 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2381 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2382 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2383 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2384 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2385 case NFA_MOPEN9: |
4444 | 2386 STRCPY(code, "NFA_MOPEN(x)"); |
2387 code[10] = c - NFA_MOPEN + '0'; | |
2388 break; | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2389 case NFA_MCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2390 case NFA_MCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2391 case NFA_MCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2392 case NFA_MCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2393 case NFA_MCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2394 case NFA_MCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2395 case NFA_MCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2396 case NFA_MCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2397 case NFA_MCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2398 case NFA_MCLOSE9: |
4444 | 2399 STRCPY(code, "NFA_MCLOSE(x)"); |
2400 code[11] = c - NFA_MCLOSE + '0'; | |
2401 break; | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2402 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2403 case NFA_ZOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2404 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2405 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2406 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2407 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2408 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2409 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2410 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2411 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2412 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2413 STRCPY(code, "NFA_ZOPEN(x)"); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2414 code[10] = c - NFA_ZOPEN + '0'; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2415 break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2416 case NFA_ZCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2417 case NFA_ZCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2418 case NFA_ZCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2419 case NFA_ZCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2420 case NFA_ZCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2421 case NFA_ZCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2422 case NFA_ZCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2423 case NFA_ZCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2424 case NFA_ZCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2425 case NFA_ZCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2426 STRCPY(code, "NFA_ZCLOSE(x)"); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2427 code[11] = c - NFA_ZCLOSE + '0'; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2428 break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2429 #endif |
4444 | 2430 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
2431 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
2432 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
2433 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
|
2434 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
2435 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
|
2436 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2437 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
|
2438 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
|
2439 case NFA_COL: STRCPY(code, "NFA_COL "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2440 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
|
2441 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
|
2442 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2443 case NFA_VCOL_GT: STRCPY(code, "NFA_VCOL_GT "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2444 case NFA_VCOL_LT: STRCPY(code, "NFA_VCOL_LT "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2445 case NFA_MARK: STRCPY(code, "NFA_MARK "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2446 case NFA_MARK_GT: STRCPY(code, "NFA_MARK_GT "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2447 case NFA_MARK_LT: STRCPY(code, "NFA_MARK_LT "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2448 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2449 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break; |
5901 | 2450 case NFA_ANY_COMPOSING: STRCPY(code, "NFA_ANY_COMPOSING "); break; |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2451 |
4444 | 2452 case NFA_STAR: STRCPY(code, "NFA_STAR "); break; |
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2453 case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2454 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2455 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
5370 | 2456 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break; |
4444 | 2457 case NFA_OR: STRCPY(code, "NFA_OR"); break; |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2458 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2459 case NFA_START_COLL: STRCPY(code, "NFA_START_COLL"); break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2460 case NFA_END_COLL: STRCPY(code, "NFA_END_COLL"); break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2461 case NFA_START_NEG_COLL: STRCPY(code, "NFA_START_NEG_COLL"); break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2462 case NFA_END_NEG_COLL: STRCPY(code, "NFA_END_NEG_COLL"); break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2463 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2464 case NFA_RANGE_MIN: STRCPY(code, "NFA_RANGE_MIN"); break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2465 case NFA_RANGE_MAX: STRCPY(code, "NFA_RANGE_MAX"); break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2466 |
4444 | 2467 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; |
2468 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
2469 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
2470 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
2471 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
2472 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
2473 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
2474 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
2475 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
2476 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
2477 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
2478 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
2479 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
2480 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
2481 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
2482 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break; | |
2483 | |
2484 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
2485 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
2486 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
2487 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
2488 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
2489 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
2490 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
2491 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
2492 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
2493 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
2494 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
2495 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
2496 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
2497 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
2498 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
2499 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
2500 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
2501 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
2502 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
2503 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
2504 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
2505 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
2506 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
2507 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
2508 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
2509 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
2510 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
5296 | 2511 case NFA_LOWER_IC: STRCPY(code, "NFA_LOWER_IC"); break; |
2512 case NFA_NLOWER_IC: STRCPY(code, "NFA_NLOWER_IC"); break; | |
2513 case NFA_UPPER_IC: STRCPY(code, "NFA_UPPER_IC"); break; | |
2514 case NFA_NUPPER_IC: STRCPY(code, "NFA_NUPPER_IC"); break; | |
4444 | 2515 |
2516 default: | |
2517 STRCPY(code, "CHAR(x)"); | |
2518 code[5] = c; | |
2519 } | |
2520 | |
2521 if (addnl == TRUE) | |
2522 STRCAT(code, " + NEWLINE "); | |
2523 | |
2524 } | |
2525 | |
2526 #ifdef ENABLE_LOG | |
2527 static FILE *log_fd; | |
2528 | |
2529 /* | |
2530 * Print the postfix notation of the current regexp. | |
2531 */ | |
2532 static void | |
2533 nfa_postfix_dump(expr, retval) | |
2534 char_u *expr; | |
2535 int retval; | |
2536 { | |
2537 int *p; | |
2538 FILE *f; | |
2539 | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2540 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
4444 | 2541 if (f != NULL) |
2542 { | |
2543 fprintf(f, "\n-------------------------\n"); | |
2544 if (retval == FAIL) | |
2545 fprintf(f, ">>> NFA engine failed ... \n"); | |
2546 else if (retval == OK) | |
2547 fprintf(f, ">>> NFA engine succeeded !\n"); | |
2548 fprintf(f, "Regexp: \"%s\"\nPostfix notation (char): \"", expr); | |
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
2549 for (p = post_start; *p && p < post_ptr; p++) |
4444 | 2550 { |
2551 nfa_set_code(*p); | |
2552 fprintf(f, "%s, ", code); | |
2553 } | |
2554 fprintf(f, "\"\nPostfix notation (int): "); | |
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
2555 for (p = post_start; *p && p < post_ptr; p++) |
4444 | 2556 fprintf(f, "%d ", *p); |
2557 fprintf(f, "\n\n"); | |
2558 fclose(f); | |
2559 } | |
2560 } | |
2561 | |
2562 /* | |
2563 * Print the NFA starting with a root node "state". | |
2564 */ | |
2565 static void | |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2566 nfa_print_state(debugf, state) |
4444 | 2567 FILE *debugf; |
2568 nfa_state_T *state; | |
2569 { | |
4533
6a2005efa02b
updated for version 7.3.1014
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|
2570 garray_T indent; |
6a2005efa02b
updated for version 7.3.1014
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4531
diff
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|
2571 |
6a2005efa02b
updated for version 7.3.1014
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4531
diff
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|
2572 ga_init2(&indent, 1, 64); |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2573 ga_append(&indent, '\0'); |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2574 nfa_print_state2(debugf, state, &indent); |
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
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|
2575 ga_clear(&indent); |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2576 } |
6a2005efa02b
updated for version 7.3.1014
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|
2577 |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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diff
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|
2578 static void |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2579 nfa_print_state2(debugf, state, indent) |
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
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|
2580 FILE *debugf; |
6a2005efa02b
updated for version 7.3.1014
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4531
diff
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|
2581 nfa_state_T *state; |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2582 garray_T *indent; |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2583 { |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2584 char_u *p; |
4444 | 2585 |
2586 if (state == NULL) | |
2587 return; | |
2588 | |
2589 fprintf(debugf, "(%2d)", abs(state->id)); | |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2590 |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2591 /* Output indent */ |
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
changeset
|
2592 p = (char_u *)indent->ga_data; |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2593 if (indent->ga_len >= 3) |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2594 { |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2595 int last = indent->ga_len - 3; |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2596 char_u save[2]; |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2597 |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2598 STRNCPY(save, &p[last], 2); |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2599 STRNCPY(&p[last], "+-", 2); |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2600 fprintf(debugf, " %s", p); |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2601 STRNCPY(&p[last], save, 2); |
6a2005efa02b
updated for version 7.3.1014
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parents:
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diff
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|
2602 } |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2603 else |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2604 fprintf(debugf, " %s", p); |
4444 | 2605 |
2606 nfa_set_code(state->c); | |
4785
3b5a023a4543
updated for version 7.3.1139
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parents:
4783
diff
changeset
|
2607 fprintf(debugf, "%s (%d) (id=%d) val=%d\n", |
4781
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
2608 code, |
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
2609 state->c, |
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
2610 abs(state->id), |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2611 state->val); |
4444 | 2612 if (state->id < 0) |
2613 return; | |
2614 | |
2615 state->id = abs(state->id) * -1; | |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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|
2616 |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2617 /* grow indent for state->out */ |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2618 indent->ga_len -= 1; |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2619 if (state->out1) |
4537
5cc98a5898cf
updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
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4535
diff
changeset
|
2620 ga_concat(indent, (char_u *)"| "); |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2621 else |
4537
5cc98a5898cf
updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents:
4535
diff
changeset
|
2622 ga_concat(indent, (char_u *)" "); |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2623 ga_append(indent, '\0'); |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2624 |
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2625 nfa_print_state2(debugf, state->out, indent); |
6a2005efa02b
updated for version 7.3.1014
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4531
diff
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|
2626 |
6a2005efa02b
updated for version 7.3.1014
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4531
diff
changeset
|
2627 /* replace last part of indent for state->out1 */ |
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
changeset
|
2628 indent->ga_len -= 3; |
4537
5cc98a5898cf
updated for version 7.3.1016
Bram Moolenaar <bram@vim.org>
parents:
4535
diff
changeset
|
2629 ga_concat(indent, (char_u *)" "); |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2630 ga_append(indent, '\0'); |
6a2005efa02b
updated for version 7.3.1014
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4531
diff
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|
2631 |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2632 nfa_print_state2(debugf, state->out1, indent); |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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4531
diff
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|
2633 |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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diff
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|
2634 /* shrink indent */ |
6a2005efa02b
updated for version 7.3.1014
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4531
diff
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|
2635 indent->ga_len -= 3; |
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2636 ga_append(indent, '\0'); |
4444 | 2637 } |
2638 | |
2639 /* | |
2640 * Print the NFA state machine. | |
2641 */ | |
2642 static void | |
2643 nfa_dump(prog) | |
2644 nfa_regprog_T *prog; | |
2645 { | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2646 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
4444 | 2647 |
2648 if (debugf != NULL) | |
2649 { | |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2650 nfa_print_state(debugf, prog->start); |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2651 |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
2652 if (prog->reganch) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
2653 fprintf(debugf, "reganch: %d\n", prog->reganch); |
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
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|
2654 if (prog->regstart != NUL) |
66803af09906
updated for version 7.3.1149
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4801
diff
changeset
|
2655 fprintf(debugf, "regstart: %c (decimal: %d)\n", |
66803af09906
updated for version 7.3.1149
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4801
diff
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|
2656 prog->regstart, prog->regstart); |
66803af09906
updated for version 7.3.1149
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diff
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|
2657 if (prog->match_text != NULL) |
66803af09906
updated for version 7.3.1149
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4801
diff
changeset
|
2658 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text); |
4772
03375ccf28a2
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diff
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|
2659 |
4444 | 2660 fclose(debugf); |
2661 } | |
2662 } | |
2663 #endif /* ENABLE_LOG */ | |
2664 #endif /* DEBUG */ | |
2665 | |
2666 /* | |
2667 * Parse r.e. @expr and convert it into postfix form. | |
2668 * Return the postfix string on success, NULL otherwise. | |
2669 */ | |
2670 static int * | |
2671 re2post() | |
2672 { | |
2673 if (nfa_reg(REG_NOPAREN) == FAIL) | |
2674 return NULL; | |
2675 EMIT(NFA_MOPEN); | |
2676 return post_start; | |
2677 } | |
2678 | |
2679 /* NB. Some of the code below is inspired by Russ's. */ | |
2680 | |
2681 /* | |
2682 * Represents an NFA state plus zero or one or two arrows exiting. | |
2683 * if c == MATCH, no arrows out; matching state. | |
2684 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
2685 * If c < 256, labeled arrow with character c to out. | |
2686 */ | |
2687 | |
2688 static nfa_state_T *state_ptr; /* points to nfa_prog->state */ | |
2689 | |
2690 /* | |
2691 * Allocate and initialize nfa_state_T. | |
2692 */ | |
2693 static nfa_state_T * | |
4696
ed4e689bbea1
updated for version 7.3.1095
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4694
diff
changeset
|
2694 alloc_state(c, out, out1) |
4444 | 2695 int c; |
2696 nfa_state_T *out; | |
2697 nfa_state_T *out1; | |
2698 { | |
2699 nfa_state_T *s; | |
2700 | |
2701 if (istate >= nstate) | |
2702 return NULL; | |
2703 | |
2704 s = &state_ptr[istate++]; | |
2705 | |
2706 s->c = c; | |
2707 s->out = out; | |
2708 s->out1 = out1; | |
4781
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|
2709 s->val = 0; |
4444 | 2710 |
2711 s->id = istate; | |
4718
ec72bb4a0fc2
updated for version 7.3.1106
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diff
changeset
|
2712 s->lastlist[0] = 0; |
ec72bb4a0fc2
updated for version 7.3.1106
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4716
diff
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|
2713 s->lastlist[1] = 0; |
4444 | 2714 |
2715 return s; | |
2716 } | |
2717 | |
2718 /* | |
2719 * A partially built NFA without the matching state filled in. | |
2720 * Frag_T.start points at the start state. | |
2721 * Frag_T.out is a list of places that need to be set to the | |
2722 * next state for this fragment. | |
2723 */ | |
4555
b2946c06d1b6
updated for version 7.3.1025
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4553
diff
changeset
|
2724 |
b2946c06d1b6
updated for version 7.3.1025
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diff
changeset
|
2725 /* Since the out pointers in the list are always |
b2946c06d1b6
updated for version 7.3.1025
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4553
diff
changeset
|
2726 * uninitialized, we use the pointers themselves |
b2946c06d1b6
updated for version 7.3.1025
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4553
diff
changeset
|
2727 * as storage for the Ptrlists. */ |
4444 | 2728 typedef union Ptrlist Ptrlist; |
4555
b2946c06d1b6
updated for version 7.3.1025
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4553
diff
changeset
|
2729 union Ptrlist |
b2946c06d1b6
updated for version 7.3.1025
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4553
diff
changeset
|
2730 { |
b2946c06d1b6
updated for version 7.3.1025
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4553
diff
changeset
|
2731 Ptrlist *next; |
b2946c06d1b6
updated for version 7.3.1025
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4553
diff
changeset
|
2732 nfa_state_T *s; |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
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|
2733 }; |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
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|
2734 |
4444 | 2735 struct Frag |
2736 { | |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
2737 nfa_state_T *start; |
4444 | 2738 Ptrlist *out; |
2739 }; | |
2740 typedef struct Frag Frag_T; | |
2741 | |
2742 static Frag_T frag __ARGS((nfa_state_T *start, Ptrlist *out)); | |
2743 static Ptrlist *list1 __ARGS((nfa_state_T **outp)); | |
2744 static void patch __ARGS((Ptrlist *l, nfa_state_T *s)); | |
2745 static Ptrlist *append __ARGS((Ptrlist *l1, Ptrlist *l2)); | |
2746 static void st_push __ARGS((Frag_T s, Frag_T **p, Frag_T *stack_end)); | |
2747 static Frag_T st_pop __ARGS((Frag_T **p, Frag_T *stack)); | |
2748 | |
2749 /* | |
4456 | 2750 * Initialize a Frag_T struct and return it. |
4444 | 2751 */ |
2752 static Frag_T | |
2753 frag(start, out) | |
2754 nfa_state_T *start; | |
2755 Ptrlist *out; | |
2756 { | |
4456 | 2757 Frag_T n; |
2758 | |
2759 n.start = start; | |
2760 n.out = out; | |
4444 | 2761 return n; |
2762 } | |
2763 | |
2764 /* | |
2765 * Create singleton list containing just outp. | |
2766 */ | |
2767 static Ptrlist * | |
2768 list1(outp) | |
2769 nfa_state_T **outp; | |
2770 { | |
2771 Ptrlist *l; | |
2772 | |
2773 l = (Ptrlist *)outp; | |
2774 l->next = NULL; | |
2775 return l; | |
2776 } | |
2777 | |
2778 /* | |
2779 * Patch the list of states at out to point to start. | |
2780 */ | |
2781 static void | |
2782 patch(l, s) | |
2783 Ptrlist *l; | |
2784 nfa_state_T *s; | |
2785 { | |
2786 Ptrlist *next; | |
2787 | |
2788 for (; l; l = next) | |
2789 { | |
2790 next = l->next; | |
2791 l->s = s; | |
2792 } | |
2793 } | |
2794 | |
2795 | |
2796 /* | |
2797 * Join the two lists l1 and l2, returning the combination. | |
2798 */ | |
2799 static Ptrlist * | |
2800 append(l1, l2) | |
2801 Ptrlist *l1; | |
2802 Ptrlist *l2; | |
2803 { | |
2804 Ptrlist *oldl1; | |
2805 | |
2806 oldl1 = l1; | |
2807 while (l1->next) | |
2808 l1 = l1->next; | |
2809 l1->next = l2; | |
2810 return oldl1; | |
2811 } | |
2812 | |
2813 /* | |
2814 * Stack used for transforming postfix form into NFA. | |
2815 */ | |
2816 static Frag_T empty; | |
2817 | |
2818 static void | |
2819 st_error(postfix, end, p) | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
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4529
diff
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|
2820 int *postfix UNUSED; |
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2821 int *end UNUSED; |
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2822 int *p UNUSED; |
4444 | 2823 { |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
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|
2824 #ifdef NFA_REGEXP_ERROR_LOG |
4444 | 2825 FILE *df; |
2826 int *p2; | |
2827 | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
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|
2828 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
4444 | 2829 if (df) |
2830 { | |
2831 fprintf(df, "Error popping the stack!\n"); | |
2832 #ifdef DEBUG | |
2833 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr); | |
2834 #endif | |
2835 fprintf(df, "Postfix form is: "); | |
2836 #ifdef DEBUG | |
2837 for (p2 = postfix; p2 < end; p2++) | |
2838 { | |
2839 nfa_set_code(*p2); | |
2840 fprintf(df, "%s, ", code); | |
2841 } | |
2842 nfa_set_code(*p); | |
2843 fprintf(df, "\nCurrent position is: "); | |
2844 for (p2 = postfix; p2 <= p; p2 ++) | |
2845 { | |
2846 nfa_set_code(*p2); | |
2847 fprintf(df, "%s, ", code); | |
2848 } | |
2849 #else | |
2850 for (p2 = postfix; p2 < end; p2++) | |
2851 { | |
2852 fprintf(df, "%d, ", *p2); | |
2853 } | |
2854 fprintf(df, "\nCurrent position is: "); | |
2855 for (p2 = postfix; p2 <= p; p2 ++) | |
2856 { | |
2857 fprintf(df, "%d, ", *p2); | |
2858 } | |
2859 #endif | |
2860 fprintf(df, "\n--------------------------\n"); | |
2861 fclose(df); | |
2862 } | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
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diff
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|
2863 #endif |
4444 | 2864 EMSG(_("E874: (NFA) Could not pop the stack !")); |
2865 } | |
2866 | |
2867 /* | |
2868 * Push an item onto the stack. | |
2869 */ | |
2870 static void | |
2871 st_push(s, p, stack_end) | |
2872 Frag_T s; | |
2873 Frag_T **p; | |
2874 Frag_T *stack_end; | |
2875 { | |
2876 Frag_T *stackp = *p; | |
2877 | |
2878 if (stackp >= stack_end) | |
2879 return; | |
2880 *stackp = s; | |
2881 *p = *p + 1; | |
2882 } | |
2883 | |
2884 /* | |
2885 * Pop an item from the stack. | |
2886 */ | |
2887 static Frag_T | |
2888 st_pop(p, stack) | |
2889 Frag_T **p; | |
2890 Frag_T *stack; | |
2891 { | |
2892 Frag_T *stackp; | |
2893 | |
2894 *p = *p - 1; | |
2895 stackp = *p; | |
2896 if (stackp < stack) | |
2897 return empty; | |
2898 return **p; | |
2899 } | |
2900 | |
2901 /* | |
4807
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Bram Moolenaar <bram@vim.org>
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diff
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|
2902 * Estimate the maximum byte length of anything matching "state". |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2903 * When unknown or unlimited return -1. |
3dbd251777de
updated for version 7.3.1150
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parents:
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diff
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|
2904 */ |
3dbd251777de
updated for version 7.3.1150
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diff
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|
2905 static int |
3dbd251777de
updated for version 7.3.1150
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diff
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|
2906 nfa_max_width(startstate, depth) |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2907 nfa_state_T *startstate; |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2908 int depth; |
3dbd251777de
updated for version 7.3.1150
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parents:
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diff
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|
2909 { |
3dbd251777de
updated for version 7.3.1150
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parents:
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diff
changeset
|
2910 int l, r; |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2911 nfa_state_T *state = startstate; |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2912 int len = 0; |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2913 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2914 /* detect looping in a NFA_SPLIT */ |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2915 if (depth > 4) |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2916 return -1; |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2917 |
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4944
diff
changeset
|
2918 while (state != NULL) |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2919 { |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2920 switch (state->c) |
3dbd251777de
updated for version 7.3.1150
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parents:
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diff
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|
2921 { |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2922 case NFA_END_INVISIBLE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2923 case NFA_END_INVISIBLE_NEG: |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2924 /* the end, return what we have */ |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2925 return len; |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2926 |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2927 case NFA_SPLIT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2928 /* two alternatives, use the maximum */ |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2929 l = nfa_max_width(state->out, depth + 1); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
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|
2930 r = nfa_max_width(state->out1, depth + 1); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
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|
2931 if (l < 0 || r < 0) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2932 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2933 return len + (l > r ? l : r); |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2934 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2935 case NFA_ANY: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2936 case NFA_START_COLL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2937 case NFA_START_NEG_COLL: |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2938 /* matches some character, including composing chars */ |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2939 #ifdef FEAT_MBYTE |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
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|
2940 if (enc_utf8) |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2941 len += MB_MAXBYTES; |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
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|
2942 else if (has_mbyte) |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2943 len += 2; |
3dbd251777de
updated for version 7.3.1150
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parents:
4805
diff
changeset
|
2944 else |
3dbd251777de
updated for version 7.3.1150
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parents:
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diff
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|
2945 #endif |
3dbd251777de
updated for version 7.3.1150
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diff
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|
2946 ++len; |
3dbd251777de
updated for version 7.3.1150
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|
2947 if (state->c != NFA_ANY) |
3dbd251777de
updated for version 7.3.1150
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diff
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|
2948 { |
3dbd251777de
updated for version 7.3.1150
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diff
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|
2949 /* skip over the characters */ |
3dbd251777de
updated for version 7.3.1150
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|
2950 state = state->out1->out; |
3dbd251777de
updated for version 7.3.1150
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diff
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|
2951 continue; |
3dbd251777de
updated for version 7.3.1150
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diff
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|
2952 } |
3dbd251777de
updated for version 7.3.1150
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|
2953 break; |
3dbd251777de
updated for version 7.3.1150
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|
2954 |
3dbd251777de
updated for version 7.3.1150
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|
2955 case NFA_DIGIT: |
3dbd251777de
updated for version 7.3.1150
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|
2956 case NFA_WHITE: |
3dbd251777de
updated for version 7.3.1150
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|
2957 case NFA_HEX: |
3dbd251777de
updated for version 7.3.1150
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|
2958 case NFA_OCTAL: |
3dbd251777de
updated for version 7.3.1150
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|
2959 /* ascii */ |
3dbd251777de
updated for version 7.3.1150
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|
2960 ++len; |
3dbd251777de
updated for version 7.3.1150
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|
2961 break; |
3dbd251777de
updated for version 7.3.1150
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|
2962 |
3dbd251777de
updated for version 7.3.1150
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|
2963 case NFA_IDENT: |
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updated for version 7.3.1150
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|
2964 case NFA_SIDENT: |
3dbd251777de
updated for version 7.3.1150
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|
2965 case NFA_KWORD: |
3dbd251777de
updated for version 7.3.1150
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|
2966 case NFA_SKWORD: |
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updated for version 7.3.1150
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|
2967 case NFA_FNAME: |
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updated for version 7.3.1150
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|
2968 case NFA_SFNAME: |
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updated for version 7.3.1150
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|
2969 case NFA_PRINT: |
3dbd251777de
updated for version 7.3.1150
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|
2970 case NFA_SPRINT: |
3dbd251777de
updated for version 7.3.1150
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|
2971 case NFA_NWHITE: |
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updated for version 7.3.1150
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|
2972 case NFA_NDIGIT: |
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updated for version 7.3.1150
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|
2973 case NFA_NHEX: |
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|
2974 case NFA_NOCTAL: |
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|
2975 case NFA_WORD: |
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|
2976 case NFA_NWORD: |
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|
2977 case NFA_HEAD: |
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updated for version 7.3.1150
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|
2978 case NFA_NHEAD: |
3dbd251777de
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|
2979 case NFA_ALPHA: |
3dbd251777de
updated for version 7.3.1150
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|
2980 case NFA_NALPHA: |
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updated for version 7.3.1150
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|
2981 case NFA_LOWER: |
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updated for version 7.3.1150
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|
2982 case NFA_NLOWER: |
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updated for version 7.3.1150
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|
2983 case NFA_UPPER: |
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updated for version 7.3.1150
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|
2984 case NFA_NUPPER: |
5296 | 2985 case NFA_LOWER_IC: |
2986 case NFA_NLOWER_IC: | |
2987 case NFA_UPPER_IC: | |
2988 case NFA_NUPPER_IC: | |
5901 | 2989 case NFA_ANY_COMPOSING: |
4807
3dbd251777de
updated for version 7.3.1150
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|
2990 /* possibly non-ascii */ |
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updated for version 7.3.1150
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changeset
|
2991 #ifdef FEAT_MBYTE |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2992 if (has_mbyte) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2993 len += 3; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2994 else |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2995 #endif |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2996 ++len; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2997 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2998 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2999 case NFA_START_INVISIBLE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3000 case NFA_START_INVISIBLE_NEG: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3001 case NFA_START_INVISIBLE_BEFORE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3002 case NFA_START_INVISIBLE_BEFORE_NEG: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3003 /* zero-width, out1 points to the END state */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3004 state = state->out1->out; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3005 continue; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3006 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3007 case NFA_BACKREF1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3008 case NFA_BACKREF2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3009 case NFA_BACKREF3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3010 case NFA_BACKREF4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3011 case NFA_BACKREF5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3012 case NFA_BACKREF6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3013 case NFA_BACKREF7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3014 case NFA_BACKREF8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3015 case NFA_BACKREF9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3016 #ifdef FEAT_SYN_HL |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3017 case NFA_ZREF1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3018 case NFA_ZREF2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3019 case NFA_ZREF3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3020 case NFA_ZREF4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3021 case NFA_ZREF5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3022 case NFA_ZREF6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3023 case NFA_ZREF7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3024 case NFA_ZREF8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3025 case NFA_ZREF9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3026 #endif |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3027 case NFA_NEWL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3028 case NFA_SKIP: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3029 /* unknown width */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3030 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3031 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3032 case NFA_BOL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3033 case NFA_EOL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3034 case NFA_BOF: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3035 case NFA_EOF: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3036 case NFA_BOW: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3037 case NFA_EOW: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3038 case NFA_MOPEN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3039 case NFA_MOPEN1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3040 case NFA_MOPEN2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3041 case NFA_MOPEN3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3042 case NFA_MOPEN4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3043 case NFA_MOPEN5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3044 case NFA_MOPEN6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3045 case NFA_MOPEN7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3046 case NFA_MOPEN8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3047 case NFA_MOPEN9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3048 #ifdef FEAT_SYN_HL |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3049 case NFA_ZOPEN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3050 case NFA_ZOPEN1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3051 case NFA_ZOPEN2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3052 case NFA_ZOPEN3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3053 case NFA_ZOPEN4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3054 case NFA_ZOPEN5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3055 case NFA_ZOPEN6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3056 case NFA_ZOPEN7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3057 case NFA_ZOPEN8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3058 case NFA_ZOPEN9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3059 case NFA_ZCLOSE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3060 case NFA_ZCLOSE1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3061 case NFA_ZCLOSE2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3062 case NFA_ZCLOSE3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3063 case NFA_ZCLOSE4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3064 case NFA_ZCLOSE5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3065 case NFA_ZCLOSE6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3066 case NFA_ZCLOSE7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3067 case NFA_ZCLOSE8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3068 case NFA_ZCLOSE9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3069 #endif |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3070 case NFA_MCLOSE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3071 case NFA_MCLOSE1: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3072 case NFA_MCLOSE2: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3073 case NFA_MCLOSE3: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3074 case NFA_MCLOSE4: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3075 case NFA_MCLOSE5: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3076 case NFA_MCLOSE6: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3077 case NFA_MCLOSE7: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3078 case NFA_MCLOSE8: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3079 case NFA_MCLOSE9: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3080 case NFA_NOPEN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3081 case NFA_NCLOSE: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3082 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3083 case NFA_LNUM_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3084 case NFA_LNUM_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3085 case NFA_COL_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3086 case NFA_COL_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3087 case NFA_VCOL_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3088 case NFA_VCOL_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3089 case NFA_MARK_GT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3090 case NFA_MARK_LT: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3091 case NFA_VISUAL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3092 case NFA_LNUM: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3093 case NFA_CURSOR: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3094 case NFA_COL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3095 case NFA_VCOL: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3096 case NFA_MARK: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3097 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3098 case NFA_ZSTART: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3099 case NFA_ZEND: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3100 case NFA_OPT_CHARS: |
5370 | 3101 case NFA_EMPTY: |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3102 case NFA_START_PATTERN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3103 case NFA_END_PATTERN: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3104 case NFA_COMPOSING: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3105 case NFA_END_COMPOSING: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3106 /* zero-width */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3107 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3108 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3109 default: |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3110 if (state->c < 0) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3111 /* don't know what this is */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3112 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3113 /* normal character */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3114 len += MB_CHAR2LEN(state->c); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3115 break; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3116 } |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3117 |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3118 /* normal way to continue */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3119 state = state->out; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3120 } |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3121 |
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4944
diff
changeset
|
3122 /* unrecognized, "cannot happen" */ |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3123 return -1; |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3124 } |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3125 |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3126 /* |
4444 | 3127 * Convert a postfix form into its equivalent NFA. |
3128 * Return the NFA start state on success, NULL otherwise. | |
3129 */ | |
3130 static nfa_state_T * | |
3131 post2nfa(postfix, end, nfa_calc_size) | |
3132 int *postfix; | |
3133 int *end; | |
3134 int nfa_calc_size; | |
3135 { | |
3136 int *p; | |
3137 int mopen; | |
3138 int mclose; | |
3139 Frag_T *stack = NULL; | |
3140 Frag_T *stackp = NULL; | |
3141 Frag_T *stack_end = NULL; | |
3142 Frag_T e1; | |
3143 Frag_T e2; | |
3144 Frag_T e; | |
3145 nfa_state_T *s; | |
3146 nfa_state_T *s1; | |
3147 nfa_state_T *matchstate; | |
4484 | 3148 nfa_state_T *ret = NULL; |
4444 | 3149 |
3150 if (postfix == NULL) | |
3151 return NULL; | |
3152 | |
4456 | 3153 #define PUSH(s) st_push((s), &stackp, stack_end) |
4444 | 3154 #define POP() st_pop(&stackp, stack); \ |
3155 if (stackp < stack) \ | |
3156 { \ | |
3157 st_error(postfix, end, p); \ | |
6747 | 3158 vim_free(stack); \ |
4444 | 3159 return NULL; \ |
3160 } | |
3161 | |
3162 if (nfa_calc_size == FALSE) | |
3163 { | |
3164 /* 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
|
3165 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE); |
4444 | 3166 stackp = stack; |
4462 | 3167 stack_end = stack + (nstate + 1); |
4444 | 3168 } |
3169 | |
3170 for (p = postfix; p < end; ++p) | |
3171 { | |
3172 switch (*p) | |
3173 { | |
3174 case NFA_CONCAT: | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3175 /* Concatenation. |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3176 * 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
|
3177 * (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
|
3178 * to postfix form in re2post(). */ |
4444 | 3179 if (nfa_calc_size == TRUE) |
3180 { | |
4458 | 3181 /* nstate += 0; */ |
4444 | 3182 break; |
3183 } | |
3184 e2 = POP(); | |
3185 e1 = POP(); | |
3186 patch(e1.out, e2.start); | |
3187 PUSH(frag(e1.start, e2.out)); | |
3188 break; | |
3189 | |
3190 case NFA_OR: | |
3191 /* Alternation */ | |
3192 if (nfa_calc_size == TRUE) | |
3193 { | |
4458 | 3194 nstate++; |
4444 | 3195 break; |
3196 } | |
3197 e2 = POP(); | |
3198 e1 = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3199 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
4444 | 3200 if (s == NULL) |
4484 | 3201 goto theend; |
4444 | 3202 PUSH(frag(s, append(e1.out, e2.out))); |
3203 break; | |
3204 | |
3205 case NFA_STAR: | |
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3206 /* Zero or more, prefer more */ |
4444 | 3207 if (nfa_calc_size == TRUE) |
3208 { | |
4458 | 3209 nstate++; |
4444 | 3210 break; |
3211 } | |
3212 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3213 s = alloc_state(NFA_SPLIT, e.start, NULL); |
4444 | 3214 if (s == NULL) |
4484 | 3215 goto theend; |
4444 | 3216 patch(e.out, s); |
3217 PUSH(frag(s, list1(&s->out1))); | |
3218 break; | |
3219 | |
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3220 case NFA_STAR_NONGREEDY: |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3221 /* Zero or more, prefer zero */ |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3222 if (nfa_calc_size == TRUE) |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3223 { |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3224 nstate++; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3225 break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3226 } |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3227 e = POP(); |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3228 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
|
3229 if (s == NULL) |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3230 goto theend; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3231 patch(e.out, s); |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3232 PUSH(frag(s, list1(&s->out))); |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3233 break; |
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3234 |
4444 | 3235 case NFA_QUEST: |
3236 /* one or zero atoms=> greedy match */ | |
3237 if (nfa_calc_size == TRUE) | |
3238 { | |
4458 | 3239 nstate++; |
4444 | 3240 break; |
3241 } | |
3242 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3243 s = alloc_state(NFA_SPLIT, e.start, NULL); |
4444 | 3244 if (s == NULL) |
4484 | 3245 goto theend; |
4444 | 3246 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
3247 break; | |
3248 | |
3249 case NFA_QUEST_NONGREEDY: | |
3250 /* zero or one atoms => non-greedy match */ | |
3251 if (nfa_calc_size == TRUE) | |
3252 { | |
4458 | 3253 nstate++; |
4444 | 3254 break; |
3255 } | |
3256 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3257 s = alloc_state(NFA_SPLIT, NULL, e.start); |
4444 | 3258 if (s == NULL) |
4484 | 3259 goto theend; |
4444 | 3260 PUSH(frag(s, append(e.out, list1(&s->out)))); |
3261 break; | |
3262 | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3263 case NFA_END_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3264 case NFA_END_NEG_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3265 /* 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
|
3266 * 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
|
3267 * add the output to the start. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3268 if (nfa_calc_size == TRUE) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3269 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3270 nstate++; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3271 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3272 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3273 e = POP(); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3274 s = alloc_state(NFA_END_COLL, NULL, NULL); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3275 if (s == NULL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3276 goto theend; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3277 patch(e.out, s); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3278 e.start->out1 = s; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3279 PUSH(frag(e.start, list1(&s->out))); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3280 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3281 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3282 case NFA_RANGE: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3283 /* 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
|
3284 * 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
|
3285 if (nfa_calc_size == TRUE) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3286 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3287 /* nstate += 0; */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3288 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3289 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3290 e2 = POP(); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3291 e1 = POP(); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3292 e2.start->val = e2.start->c; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3293 e2.start->c = NFA_RANGE_MAX; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
3294 e1.start->val = e1.start->c; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3295 e1.start->c = NFA_RANGE_MIN; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3296 patch(e1.out, e2.start); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
3297 PUSH(frag(e1.start, e2.out)); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
3298 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
3299 |
5370 | 3300 case NFA_EMPTY: |
3301 /* 0-length, used in a repetition with max/min count of 0 */ | |
4444 | 3302 if (nfa_calc_size == TRUE) |
3303 { | |
4458 | 3304 nstate++; |
4444 | 3305 break; |
3306 } | |
5370 | 3307 s = alloc_state(NFA_EMPTY, NULL, NULL); |
4444 | 3308 if (s == NULL) |
4484 | 3309 goto theend; |
4444 | 3310 PUSH(frag(s, list1(&s->out))); |
3311 break; | |
3312 | |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3313 case NFA_OPT_CHARS: |
97560c16ca99
updated for version 7.3.1117
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parents:
4738
diff
changeset
|
3314 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
3315 int n; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
3316 |
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3317 /* \%[abc] implemented as: |
3c6e2b89875f
updated for version 7.4b.004
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5253
diff
changeset
|
3318 * NFA_SPLIT |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3319 * +-CHAR(a) |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3320 * | +-NFA_SPLIT |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3321 * | +-CHAR(b) |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3322 * | | +-NFA_SPLIT |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3323 * | | +-CHAR(c) |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3324 * | | | +-next |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3325 * | | +- next |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3326 * | +- next |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3327 * +- next |
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
3328 */ |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
3329 n = *++p; /* get number of characters */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
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4738
diff
changeset
|
3330 if (nfa_calc_size == TRUE) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
3331 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
3332 nstate += n; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
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4738
diff
changeset
|
3333 break; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
3334 } |
4758
b25a1b2e3175
updated for version 7.3.1126
Bram Moolenaar <bram@vim.org>
parents:
4756
diff
changeset
|
3335 s = NULL; /* avoid compiler warning */ |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3336 e1.out = NULL; /* stores list with out1's */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3337 s1 = NULL; /* previous NFA_SPLIT to connect to */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3338 while (n-- > 0) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3339 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3340 e = POP(); /* get character */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3341 s = alloc_state(NFA_SPLIT, e.start, NULL); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3342 if (s == NULL) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3343 goto theend; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3344 if (e1.out == NULL) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3345 e1 = e; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3346 patch(e.out, s1); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3347 append(e1.out, list1(&s->out1)); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3348 s1 = s; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3349 } |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3350 PUSH(frag(s, e1.out)); |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3351 break; |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3352 } |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3353 |
4444 | 3354 case NFA_PREV_ATOM_NO_WIDTH: |
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3355 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3356 case NFA_PREV_ATOM_JUST_BEFORE: |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3357 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3358 case NFA_PREV_ATOM_LIKE_PATTERN: |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3359 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3360 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3361 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3362 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
|
3363 int start_state; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3364 int end_state; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3365 int n = 0; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3366 nfa_state_T *zend; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3367 nfa_state_T *skip; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3368 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3369 switch (*p) |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3370 { |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3371 case NFA_PREV_ATOM_NO_WIDTH: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3372 start_state = NFA_START_INVISIBLE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3373 end_state = NFA_END_INVISIBLE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3374 break; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3375 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3376 start_state = NFA_START_INVISIBLE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3377 end_state = NFA_END_INVISIBLE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3378 break; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3379 case NFA_PREV_ATOM_JUST_BEFORE: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3380 start_state = NFA_START_INVISIBLE_BEFORE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3381 end_state = NFA_END_INVISIBLE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3382 break; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3383 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3384 start_state = NFA_START_INVISIBLE_BEFORE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3385 end_state = NFA_END_INVISIBLE_NEG; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3386 break; |
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
3387 default: /* NFA_PREV_ATOM_LIKE_PATTERN: */ |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3388 start_state = NFA_START_PATTERN; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3389 end_state = NFA_END_PATTERN; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3390 break; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3391 } |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3392 |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3393 if (before) |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3394 n = *++p; /* get the count */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3395 |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3396 /* 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
|
3397 * 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
|
3398 * The \@<= operator: match for the preceding atom. |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3399 * The \@<! operator: no match for the preceding atom. |
4444 | 3400 * 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
|
3401 * END_INVISIBLE, similarly to MOPEN. */ |
4444 | 3402 |
3403 if (nfa_calc_size == TRUE) | |
3404 { | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3405 nstate += pattern ? 4 : 2; |
4444 | 3406 break; |
3407 } | |
3408 e = POP(); | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3409 s1 = alloc_state(end_state, NULL, NULL); |
4444 | 3410 if (s1 == NULL) |
4484 | 3411 goto theend; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3412 |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3413 s = alloc_state(start_state, e.start, s1); |
4444 | 3414 if (s == NULL) |
4484 | 3415 goto theend; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3416 if (pattern) |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3417 { |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3418 /* 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
|
3419 skip = alloc_state(NFA_SKIP, NULL, NULL); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3420 zend = alloc_state(NFA_ZEND, s1, NULL); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3421 s1->out= skip; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3422 patch(e.out, zend); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3423 PUSH(frag(s, list1(&skip->out))); |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3424 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3425 else |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3426 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3427 patch(e.out, s1); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3428 PUSH(frag(s, list1(&s1->out))); |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3429 if (before) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3430 { |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3431 if (n <= 0) |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3432 /* 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
|
3433 * lot of pointless tries. */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3434 n = nfa_max_width(e.start, 0); |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3435 s->val = n; /* store the count */ |
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3436 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3437 } |
4444 | 3438 break; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3439 } |
4444 | 3440 |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3441 #ifdef FEAT_MBYTE |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3442 case NFA_COMPOSING: /* char with composing char */ |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3443 #if 0 |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3444 /* TODO */ |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3445 if (regflags & RF_ICOMBINE) |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3446 { |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
3447 /* use the base character only */ |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3448 } |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3449 #endif |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3450 /* FALLTHROUGH */ |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3451 #endif |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3452 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3453 case NFA_MOPEN: /* \( \) Submatch */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3454 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3455 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3456 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3457 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3458 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3459 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3460 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3461 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3462 case NFA_MOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3463 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3464 case NFA_ZOPEN: /* \z( \) Submatch */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3465 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3466 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3467 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3468 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3469 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3470 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3471 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3472 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3473 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3474 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3475 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */ |
4444 | 3476 if (nfa_calc_size == TRUE) |
3477 { | |
3478 nstate += 2; | |
3479 break; | |
3480 } | |
3481 | |
3482 mopen = *p; | |
3483 switch (*p) | |
3484 { | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3485 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3486 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3487 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3488 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3489 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3490 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3491 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3492 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3493 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3494 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3495 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3496 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3497 #endif |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3498 #ifdef FEAT_MBYTE |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3499 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
|
3500 #endif |
4444 | 3501 default: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3502 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */ |
4444 | 3503 mclose = *p + NSUBEXP; |
3504 break; | |
3505 } | |
3506 | |
3507 /* Allow "NFA_MOPEN" as a valid postfix representation for | |
3508 * the empty regexp "". In this case, the NFA will be | |
3509 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows | |
3510 * empty groups of parenthesis, and empty mbyte chars */ | |
3511 if (stackp == stack) | |
3512 { | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3513 s = alloc_state(mopen, NULL, NULL); |
4444 | 3514 if (s == NULL) |
4484 | 3515 goto theend; |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3516 s1 = alloc_state(mclose, NULL, NULL); |
4444 | 3517 if (s1 == NULL) |
4484 | 3518 goto theend; |
4444 | 3519 patch(list1(&s->out), s1); |
3520 PUSH(frag(s, list1(&s1->out))); | |
3521 break; | |
3522 } | |
3523 | |
3524 /* At least one node was emitted before NFA_MOPEN, so | |
3525 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */ | |
3526 e = POP(); | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3527 s = alloc_state(mopen, e.start, NULL); /* `(' */ |
4444 | 3528 if (s == NULL) |
4484 | 3529 goto theend; |
4444 | 3530 |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3531 s1 = alloc_state(mclose, NULL, NULL); /* `)' */ |
4444 | 3532 if (s1 == NULL) |
4484 | 3533 goto theend; |
4444 | 3534 patch(e.out, s1); |
3535 | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3536 #ifdef FEAT_MBYTE |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3537 if (mopen == NFA_COMPOSING) |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3538 /* COMPOSING->out1 = END_COMPOSING */ |
4444 | 3539 patch(list1(&s->out1), s1); |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3540 #endif |
4444 | 3541 |
3542 PUSH(frag(s, list1(&s1->out))); | |
3543 break; | |
3544 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3545 case NFA_BACKREF1: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3546 case NFA_BACKREF2: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3547 case NFA_BACKREF3: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3548 case NFA_BACKREF4: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3549 case NFA_BACKREF5: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3550 case NFA_BACKREF6: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3551 case NFA_BACKREF7: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3552 case NFA_BACKREF8: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3553 case NFA_BACKREF9: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3554 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3555 case NFA_ZREF1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3556 case NFA_ZREF2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3557 case NFA_ZREF3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3558 case NFA_ZREF4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3559 case NFA_ZREF5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3560 case NFA_ZREF6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3561 case NFA_ZREF7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3562 case NFA_ZREF8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3563 case NFA_ZREF9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3564 #endif |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3565 if (nfa_calc_size == TRUE) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3566 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3567 nstate += 2; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3568 break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3569 } |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3570 s = alloc_state(*p, NULL, NULL); |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3571 if (s == NULL) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3572 goto theend; |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3573 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3574 if (s1 == NULL) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3575 goto theend; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3576 patch(list1(&s->out), s1); |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3577 PUSH(frag(s, list1(&s1->out))); |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3578 break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3579 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3580 case NFA_LNUM: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3581 case NFA_LNUM_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3582 case NFA_LNUM_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3583 case NFA_VCOL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3584 case NFA_VCOL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3585 case NFA_VCOL_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3586 case NFA_COL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3587 case NFA_COL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3588 case NFA_COL_LT: |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3589 case NFA_MARK: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3590 case NFA_MARK_GT: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3591 case NFA_MARK_LT: |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3592 { |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3593 int n = *++p; /* lnum, col or mark name */ |
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3594 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3595 if (nfa_calc_size == TRUE) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3596 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3597 nstate += 1; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3598 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3599 } |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3600 s = alloc_state(p[-1], NULL, NULL); |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3601 if (s == NULL) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3602 goto theend; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3603 s->val = n; |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3604 PUSH(frag(s, list1(&s->out))); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3605 break; |
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3606 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3607 |
4444 | 3608 case NFA_ZSTART: |
3609 case NFA_ZEND: | |
3610 default: | |
3611 /* Operands */ | |
3612 if (nfa_calc_size == TRUE) | |
3613 { | |
4458 | 3614 nstate++; |
4444 | 3615 break; |
3616 } | |
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3617 s = alloc_state(*p, NULL, NULL); |
4444 | 3618 if (s == NULL) |
4484 | 3619 goto theend; |
4444 | 3620 PUSH(frag(s, list1(&s->out))); |
3621 break; | |
3622 | |
3623 } /* switch(*p) */ | |
3624 | |
3625 } /* for(p = postfix; *p; ++p) */ | |
3626 | |
3627 if (nfa_calc_size == TRUE) | |
3628 { | |
4458 | 3629 nstate++; |
4484 | 3630 goto theend; /* Return value when counting size is ignored anyway */ |
4444 | 3631 } |
3632 | |
3633 e = POP(); | |
3634 if (stackp != stack) | |
6747 | 3635 { |
3636 vim_free(stack); | |
4444 | 3637 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); |
6747 | 3638 } |
4444 | 3639 |
3640 if (istate >= nstate) | |
6747 | 3641 { |
3642 vim_free(stack); | |
4444 | 3643 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); |
6747 | 3644 } |
4444 | 3645 |
3646 matchstate = &state_ptr[istate++]; /* the match state */ | |
3647 matchstate->c = NFA_MATCH; | |
3648 matchstate->out = matchstate->out1 = NULL; | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3649 matchstate->id = 0; |
4444 | 3650 |
3651 patch(e.out, matchstate); | |
4484 | 3652 ret = e.start; |
3653 | |
3654 theend: | |
3655 vim_free(stack); | |
3656 return ret; | |
4444 | 3657 |
3658 #undef POP1 | |
3659 #undef PUSH1 | |
3660 #undef POP2 | |
3661 #undef PUSH2 | |
3662 #undef POP | |
3663 #undef PUSH | |
3664 } | |
3665 | |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3666 /* |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3667 * 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
|
3668 */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3669 static void |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3670 nfa_postprocess(prog) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3671 nfa_regprog_T *prog; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3672 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3673 int i; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3674 int c; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3675 |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3676 for (i = 0; i < prog->nstate; ++i) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3677 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3678 c = prog->state[i].c; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3679 if (c == NFA_START_INVISIBLE |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3680 || c == NFA_START_INVISIBLE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3681 || c == NFA_START_INVISIBLE_BEFORE |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3682 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3683 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3684 int directly; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3685 |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3686 /* 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
|
3687 * match. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3688 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
|
3689 directly = TRUE; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3690 else |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3691 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3692 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
|
3693 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
|
3694 |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3695 /* 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
|
3696 * lower chance of failing. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3697 if (c == NFA_START_INVISIBLE_BEFORE |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3698 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3699 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3700 /* "before" matches are very expensive when |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3701 * unbounded, always prefer what follows then, |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3702 * unless what follows will always match. |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3703 * Otherwise strongly prefer what follows. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3704 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
|
3705 directly = FALSE; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3706 else |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3707 directly = ch_follows * 10 < ch_invisible; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3708 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3709 else |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3710 { |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3711 /* normal invisible, first do the one with the |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3712 * highest failure chance */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3713 directly = ch_follows < ch_invisible; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3714 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3715 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3716 if (directly) |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3717 /* switch to the _FIRST state */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3718 ++prog->state[i].c; |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3719 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3720 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3721 } |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3722 |
4444 | 3723 /**************************************************************** |
3724 * NFA execution code. | |
3725 ****************************************************************/ | |
3726 | |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3727 typedef struct |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3728 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3729 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
|
3730 |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3731 /* 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
|
3732 union |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3733 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3734 struct multipos |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3735 { |
6547 | 3736 linenr_T start_lnum; |
3737 linenr_T end_lnum; | |
3738 colnr_T start_col; | |
3739 colnr_T end_col; | |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3740 } multi[NSUBEXP]; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3741 struct linepos |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3742 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3743 char_u *start; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3744 char_u *end; |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3745 } line[NSUBEXP]; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3746 } list; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3747 } regsub_T; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3748 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3749 typedef struct |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3750 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3751 regsub_T norm; /* \( .. \) matches */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3752 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3753 regsub_T synt; /* \z( .. \) matches */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3754 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3755 } regsubs_T; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3756 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3757 /* nfa_pim_T stores a Postponed Invisible Match. */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3758 typedef struct nfa_pim_S nfa_pim_T; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3759 struct nfa_pim_S |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3760 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3761 int result; /* NFA_PIM_*, see below */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3762 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
|
3763 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
|
3764 union |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3765 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3766 lpos_T pos; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3767 char_u *ptr; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3768 } end; /* where the match must end */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3769 }; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3770 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3771 /* Values for done in nfa_pim_T. */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3772 #define NFA_PIM_UNUSED 0 /* pim not used */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3773 #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
|
3774 #define NFA_PIM_MATCH 2 /* pim executed, matches */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3775 #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
|
3776 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3777 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3778 /* 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
|
3779 typedef struct |
4444 | 3780 { |
3781 nfa_state_T *state; | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3782 int count; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3783 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
|
3784 * invisible match */ |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3785 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
|
3786 } nfa_thread_T; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3787 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3788 /* nfa_list_T contains the alternative NFA execution states. */ |
4444 | 3789 typedef struct |
3790 { | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3791 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
|
3792 int n; /* nr of states currently in "t" */ |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3793 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
|
3794 int id; /* ID of the list */ |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
3795 int has_pim; /* TRUE when any state has a PIM */ |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3796 } nfa_list_T; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3797 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3798 #ifdef ENABLE_LOG |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3799 static void log_subsexpr __ARGS((regsubs_T *subs)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3800 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
|
3801 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
|
3802 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3803 static void |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3804 log_subsexpr(subs) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3805 regsubs_T *subs; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3806 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3807 log_subexpr(&subs->norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3808 # ifdef FEAT_SYN_HL |
4770
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3809 if (nfa_has_zsubexpr) |
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3810 log_subexpr(&subs->synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3811 # endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3812 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3813 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3814 static void |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3815 log_subexpr(sub) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3816 regsub_T *sub; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3817 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3818 int j; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3819 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3820 for (j = 0; j < sub->in_use; j++) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3821 if (REG_MULTI) |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3822 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
|
3823 j, |
6547 | 3824 sub->list.multi[j].start_col, |
3825 (int)sub->list.multi[j].start_lnum, | |
3826 sub->list.multi[j].end_col, | |
3827 (int)sub->list.multi[j].end_lnum); | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3828 else |
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3829 { |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3830 char *s = (char *)sub->list.line[j].start; |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3831 char *e = (char *)sub->list.line[j].end; |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3832 |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3833 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
|
3834 j, |
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3835 s == NULL ? "NULL" : s, |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3836 e == NULL ? "NULL" : e); |
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3837 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3838 } |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3839 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3840 static char * |
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
3841 pim_info(pim) |
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
3842 nfa_pim_T *pim; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3843 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3844 static char buf[30]; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3845 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3846 if (pim == NULL || pim->result == NFA_PIM_UNUSED) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3847 buf[0] = NUL; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3848 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3849 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3850 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
|
3851 : (int)(pim->end.ptr - reginput)); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3852 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3853 return buf; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3854 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3855 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3856 #endif |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3857 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3858 /* 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
|
3859 static int nfa_match; |
6573 | 3860 #ifdef FEAT_RELTIME |
3861 static proftime_T *nfa_time_limit; | |
3862 static int nfa_time_count; | |
3863 #endif | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3864 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3865 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
|
3866 static void clear_sub __ARGS((regsub_T *sub)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3867 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
|
3868 static void copy_sub_off __ARGS((regsub_T *to, regsub_T *from)); |
5372 | 3869 static void copy_ze_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
|
3870 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
|
3871 static int match_backref __ARGS((regsub_T *sub, int subidx, int *bytelen)); |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
3872 static int has_state_with_pos __ARGS((nfa_list_T *l, nfa_state_T *state, regsubs_T *subs, nfa_pim_T *pim)); |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
3873 static int pim_equal __ARGS((nfa_pim_T *one, nfa_pim_T *two)); |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
3874 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
|
3875 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
|
3876 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
|
3877 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3878 /* |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3879 * 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
|
3880 */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3881 static void |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3882 copy_pim(to, from) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3883 nfa_pim_T *to; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3884 nfa_pim_T *from; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3885 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3886 to->result = from->result; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3887 to->state = from->state; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3888 copy_sub(&to->subs.norm, &from->subs.norm); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3889 #ifdef FEAT_SYN_HL |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3890 if (nfa_has_zsubexpr) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3891 copy_sub(&to->subs.synt, &from->subs.synt); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3892 #endif |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3893 to->end = from->end; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3894 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3895 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3896 static void |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3897 clear_sub(sub) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3898 regsub_T *sub; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3899 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3900 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3901 /* Use 0xff to set lnum to -1 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3902 vim_memset(sub->list.multi, 0xff, |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3903 sizeof(struct multipos) * nfa_nsubexpr); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3904 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3905 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
|
3906 sub->in_use = 0; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3907 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3908 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3909 /* |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3910 * Copy the submatches from "from" to "to". |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3911 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3912 static void |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3913 copy_sub(to, from) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3914 regsub_T *to; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3915 regsub_T *from; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3916 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3917 to->in_use = from->in_use; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3918 if (from->in_use > 0) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3919 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3920 /* Copy the match start and end positions. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3921 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3922 mch_memmove(&to->list.multi[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3923 &from->list.multi[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3924 sizeof(struct multipos) * from->in_use); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3925 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3926 mch_memmove(&to->list.line[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3927 &from->list.line[0], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3928 sizeof(struct linepos) * from->in_use); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3929 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3930 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3931 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3932 /* |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3933 * Like copy_sub() but exclude the main match. |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3934 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3935 static void |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3936 copy_sub_off(to, from) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3937 regsub_T *to; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3938 regsub_T *from; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3939 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3940 if (to->in_use < from->in_use) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3941 to->in_use = from->in_use; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3942 if (from->in_use > 1) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3943 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3944 /* Copy the match start and end positions. */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3945 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3946 mch_memmove(&to->list.multi[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3947 &from->list.multi[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3948 sizeof(struct multipos) * (from->in_use - 1)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3949 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3950 mch_memmove(&to->list.line[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3951 &from->list.line[1], |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3952 sizeof(struct linepos) * (from->in_use - 1)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3953 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3954 } |
4444 | 3955 |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3956 /* |
5372 | 3957 * Like copy_sub() but only do the end of the main match if \ze is present. |
3958 */ | |
3959 static void | |
3960 copy_ze_off(to, from) | |
3961 regsub_T *to; | |
3962 regsub_T *from; | |
3963 { | |
3964 if (nfa_has_zend) | |
3965 { | |
3966 if (REG_MULTI) | |
3967 { | |
6547 | 3968 if (from->list.multi[0].end_lnum >= 0) |
3969 { | |
3970 to->list.multi[0].end_lnum = from->list.multi[0].end_lnum; | |
3971 to->list.multi[0].end_col = from->list.multi[0].end_col; | |
3972 } | |
5372 | 3973 } |
3974 else | |
3975 { | |
3976 if (from->list.line[0].end != NULL) | |
3977 to->list.line[0].end = from->list.line[0].end; | |
3978 } | |
3979 } | |
3980 } | |
3981 | |
3982 /* | |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3983 * Return TRUE if "sub1" and "sub2" have the same start positions. |
5893 | 3984 * When using back-references also check the end position. |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3985 */ |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3986 static int |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3987 sub_equal(sub1, sub2) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3988 regsub_T *sub1; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3989 regsub_T *sub2; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3990 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3991 int i; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3992 int todo; |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3993 linenr_T s1; |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3994 linenr_T s2; |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3995 char_u *sp1; |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3996 char_u *sp2; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3997 |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3998 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
|
3999 if (REG_MULTI) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4000 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4001 for (i = 0; i < todo; ++i) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4002 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4003 if (i < sub1->in_use) |
6547 | 4004 s1 = sub1->list.multi[i].start_lnum; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4005 else |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4006 s1 = -1; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4007 if (i < sub2->in_use) |
6547 | 4008 s2 = sub2->list.multi[i].start_lnum; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4009 else |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4010 s2 = -1; |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4011 if (s1 != s2) |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4012 return FALSE; |
6547 | 4013 if (s1 != -1 && sub1->list.multi[i].start_col |
4014 != sub2->list.multi[i].start_col) | |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4015 return FALSE; |
5893 | 4016 |
4017 if (nfa_has_backref) | |
4018 { | |
4019 if (i < sub1->in_use) | |
6547 | 4020 s1 = sub1->list.multi[i].end_lnum; |
5893 | 4021 else |
4022 s1 = -1; | |
4023 if (i < sub2->in_use) | |
6547 | 4024 s2 = sub2->list.multi[i].end_lnum; |
5893 | 4025 else |
4026 s2 = -1; | |
4027 if (s1 != s2) | |
4028 return FALSE; | |
6547 | 4029 if (s1 != -1 && sub1->list.multi[i].end_col |
4030 != sub2->list.multi[i].end_col) | |
5893 | 4031 return FALSE; |
4032 } | |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4033 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4034 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4035 else |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4036 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4037 for (i = 0; i < todo; ++i) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4038 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4039 if (i < sub1->in_use) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4040 sp1 = sub1->list.line[i].start; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4041 else |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4042 sp1 = NULL; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4043 if (i < sub2->in_use) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4044 sp2 = sub2->list.line[i].start; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4045 else |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4046 sp2 = NULL; |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4047 if (sp1 != sp2) |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4048 return FALSE; |
5893 | 4049 if (nfa_has_backref) |
4050 { | |
4051 if (i < sub1->in_use) | |
4052 sp1 = sub1->list.line[i].end; | |
4053 else | |
4054 sp1 = NULL; | |
4055 if (i < sub2->in_use) | |
4056 sp2 = sub2->list.line[i].end; | |
4057 else | |
4058 sp2 = NULL; | |
4059 if (sp1 != sp2) | |
4060 return FALSE; | |
4061 } | |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4062 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4063 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4064 |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4065 return TRUE; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4066 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4067 |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4068 #ifdef ENABLE_LOG |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4069 static void |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4070 report_state(char *action, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4071 regsub_T *sub, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4072 nfa_state_T *state, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4073 int lid, |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4074 nfa_pim_T *pim) |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4075 { |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4076 int col; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4077 |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4078 if (sub->in_use <= 0) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4079 col = -1; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4080 else if (REG_MULTI) |
6547 | 4081 col = sub->list.multi[0].start_col; |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4082 else |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4083 col = (int)(sub->list.line[0].start - regline); |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4084 nfa_set_code(state->c); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4085 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
|
4086 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
|
4087 pim_info(pim)); |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4088 } |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4089 #endif |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4090 |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4091 /* |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4092 * 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
|
4093 * positions as "subs". |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4094 */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4095 static int |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4096 has_state_with_pos(l, state, subs, pim) |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4097 nfa_list_T *l; /* runtime state list */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4098 nfa_state_T *state; /* state to update */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4099 regsubs_T *subs; /* pointers to subexpressions */ |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4100 nfa_pim_T *pim; /* postponed match or NULL */ |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4101 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4102 nfa_thread_T *thread; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4103 int i; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4104 |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4105 for (i = 0; i < l->n; ++i) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4106 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4107 thread = &l->t[i]; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4108 if (thread->state->id == state->id |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4109 && sub_equal(&thread->subs.norm, &subs->norm) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4110 #ifdef FEAT_SYN_HL |
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4111 && (!nfa_has_zsubexpr |
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4112 || sub_equal(&thread->subs.synt, &subs->synt)) |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4113 #endif |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4114 && pim_equal(&thread->pim, pim)) |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4115 return TRUE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4116 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4117 return FALSE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4118 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4119 |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4120 /* |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4121 * Return TRUE if "one" and "two" are equal. That includes when both are not |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4122 * set. |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4123 */ |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4124 static int |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4125 pim_equal(one, two) |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4126 nfa_pim_T *one; |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4127 nfa_pim_T *two; |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4128 { |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4129 int one_unused = (one == NULL || one->result == NFA_PIM_UNUSED); |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4130 int two_unused = (two == NULL || two->result == NFA_PIM_UNUSED); |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4131 |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4132 if (one_unused) |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4133 /* one is unused: equal when two is also unused */ |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4134 return two_unused; |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4135 if (two_unused) |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4136 /* one is used and two is not: not equal */ |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4137 return FALSE; |
5298 | 4138 /* compare the state id */ |
4139 if (one->state->id != two->state->id) | |
4140 return FALSE; | |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4141 /* compare the position */ |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4142 if (REG_MULTI) |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4143 return one->end.pos.lnum == two->end.pos.lnum |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4144 && one->end.pos.col == two->end.pos.col; |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4145 return one->end.ptr == two->end.ptr; |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4146 } |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4147 |
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4148 /* |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4149 * 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
|
4150 */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4151 static int |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4152 match_follows(startstate, depth) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4153 nfa_state_T *startstate; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4154 int depth; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4155 { |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4156 nfa_state_T *state = startstate; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4157 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4158 /* avoid too much recursion */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4159 if (depth > 10) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4160 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4161 |
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4162 while (state != NULL) |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4163 { |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4164 switch (state->c) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4165 { |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4166 case NFA_MATCH: |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4167 case NFA_MCLOSE: |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4168 case NFA_END_INVISIBLE: |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4169 case NFA_END_INVISIBLE_NEG: |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4170 case NFA_END_PATTERN: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4171 return TRUE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4172 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4173 case NFA_SPLIT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4174 return match_follows(state->out, depth + 1) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4175 || match_follows(state->out1, depth + 1); |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4176 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4177 case NFA_START_INVISIBLE: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4178 case NFA_START_INVISIBLE_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4179 case NFA_START_INVISIBLE_BEFORE: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4180 case NFA_START_INVISIBLE_BEFORE_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4181 case NFA_START_INVISIBLE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4182 case NFA_START_INVISIBLE_NEG_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4183 case NFA_START_INVISIBLE_BEFORE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4184 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4185 case NFA_COMPOSING: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4186 /* skip ahead to next state */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4187 state = state->out1->out; |
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4188 continue; |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4189 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4190 case NFA_ANY: |
5901 | 4191 case NFA_ANY_COMPOSING: |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4192 case NFA_IDENT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4193 case NFA_SIDENT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4194 case NFA_KWORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4195 case NFA_SKWORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4196 case NFA_FNAME: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4197 case NFA_SFNAME: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4198 case NFA_PRINT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4199 case NFA_SPRINT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4200 case NFA_WHITE: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4201 case NFA_NWHITE: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4202 case NFA_DIGIT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4203 case NFA_NDIGIT: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4204 case NFA_HEX: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4205 case NFA_NHEX: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4206 case NFA_OCTAL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4207 case NFA_NOCTAL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4208 case NFA_WORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4209 case NFA_NWORD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4210 case NFA_HEAD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4211 case NFA_NHEAD: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4212 case NFA_ALPHA: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4213 case NFA_NALPHA: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4214 case NFA_LOWER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4215 case NFA_NLOWER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4216 case NFA_UPPER: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4217 case NFA_NUPPER: |
5296 | 4218 case NFA_LOWER_IC: |
4219 case NFA_NLOWER_IC: | |
4220 case NFA_UPPER_IC: | |
4221 case NFA_NUPPER_IC: | |
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4222 case NFA_START_COLL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4223 case NFA_START_NEG_COLL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4224 case NFA_NEWL: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4225 /* state will advance input */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4226 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4227 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4228 default: |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4229 if (state->c > 0) |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4230 /* state will advance input */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4231 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4232 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4233 /* 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
|
4234 * a match at the same position, keep looking. */ |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4235 break; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4236 } |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4237 state = state->out; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4238 } |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4239 return FALSE; |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4240 } |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4241 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4242 |
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4243 /* |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4244 * 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
|
4245 */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4246 static int |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4247 state_in_list(l, state, subs) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4248 nfa_list_T *l; /* runtime state list */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4249 nfa_state_T *state; /* state to update */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4250 regsubs_T *subs; /* pointers to subexpressions */ |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4251 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4252 if (state->lastlist[nfa_ll_index] == l->id) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4253 { |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4254 if (!nfa_has_backref || has_state_with_pos(l, state, subs, NULL)) |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4255 return TRUE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4256 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4257 return FALSE; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4258 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4259 |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4260 /* |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4261 * 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
|
4262 * Returns "subs_arg", possibly copied into temp_subs. |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4263 */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4264 static regsubs_T * |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4265 addstate(l, state, subs_arg, pim, off) |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4266 nfa_list_T *l; /* runtime state list */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4267 nfa_state_T *state; /* state to update */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4268 regsubs_T *subs_arg; /* pointers to subexpressions */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4269 nfa_pim_T *pim; /* postponed look-behind match */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4270 int off; /* byte offset, when -1 go to next line */ |
4444 | 4271 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4272 int subidx; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4273 nfa_thread_T *thread; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4274 lpos_T save_lpos; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4275 int save_in_use; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4276 char_u *save_ptr; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4277 int i; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4278 regsub_T *sub; |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4279 regsubs_T *subs = subs_arg; |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4280 static regsubs_T temp_subs; |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4281 #ifdef ENABLE_LOG |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4282 int did_print = FALSE; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4283 #endif |
4444 | 4284 |
4285 switch (state->c) | |
4286 { | |
4287 case NFA_NCLOSE: | |
4288 case NFA_MCLOSE: | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4289 case NFA_MCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4290 case NFA_MCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4291 case NFA_MCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4292 case NFA_MCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4293 case NFA_MCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4294 case NFA_MCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4295 case NFA_MCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4296 case NFA_MCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4297 case NFA_MCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4298 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4299 case NFA_ZCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4300 case NFA_ZCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4301 case NFA_ZCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4302 case NFA_ZCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4303 case NFA_ZCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4304 case NFA_ZCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4305 case NFA_ZCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4306 case NFA_ZCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4307 case NFA_ZCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4308 case NFA_ZCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4309 #endif |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4310 case NFA_MOPEN: |
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4311 case NFA_ZEND: |
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4312 case NFA_SPLIT: |
5370 | 4313 case NFA_EMPTY: |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4314 /* 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
|
4315 * "out1" may be added below. */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4316 break; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4317 |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4318 case NFA_BOL: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4319 case NFA_BOF: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4320 /* "^" won't match past end-of-line, don't bother trying. |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4321 * Except when at the end of the line, or when we are going to the |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4322 * next line for a look-behind match. */ |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4323 if (reginput > regline |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4324 && *reginput != NUL |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4325 && (nfa_endp == NULL |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4326 || !REG_MULTI |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4327 || reglnum == nfa_endp->se_u.pos.lnum)) |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4328 goto skip_add; |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4329 /* FALLTHROUGH */ |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4330 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4331 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4332 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4333 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4334 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4335 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4336 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4337 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4338 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4339 case NFA_MOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4340 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4341 case NFA_ZOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4342 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4343 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4344 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4345 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4346 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4347 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4348 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4349 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4350 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4351 #endif |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4352 case NFA_NOPEN: |
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4353 case NFA_ZSTART: |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4354 /* These nodes need to be added so that we can bail out when it |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4355 * was added to this list before at the same position to avoid an |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4356 * endless loop for "\(\)*" */ |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4357 |
4444 | 4358 default: |
5502 | 4359 if (state->lastlist[nfa_ll_index] == l->id && state->c != NFA_SKIP) |
4444 | 4360 { |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4361 /* 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
|
4362 * unless it is an MOPEN that is used for a backreference or |
5895 | 4363 * when there is a PIM. For NFA_MATCH check the position, |
4364 * lower position is preferred. */ | |
4365 if (!nfa_has_backref && pim == NULL && !l->has_pim | |
4366 && state->c != NFA_MATCH) | |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4367 { |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4368 skip_add: |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4369 #ifdef ENABLE_LOG |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4370 nfa_set_code(state->c); |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4371 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
|
4372 abs(state->id), l->id, state->c, code); |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4373 #endif |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4374 return subs; |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4375 } |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4376 |
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4377 /* 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
|
4378 * positions. */ |
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4379 if (has_state_with_pos(l, state, subs, pim)) |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4380 goto skip_add; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4381 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4382 |
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4383 /* 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
|
4384 * be (a lot) bigger than anticipated. */ |
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4385 if (l->n == l->len) |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4386 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4387 int newlen = l->len * 3 / 2 + 50; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4388 |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4389 if (subs != &temp_subs) |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4390 { |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4391 /* "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
|
4392 * copy before it becomes invalid. */ |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4393 copy_sub(&temp_subs.norm, &subs->norm); |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4394 #ifdef FEAT_SYN_HL |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4395 if (nfa_has_zsubexpr) |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4396 copy_sub(&temp_subs.synt, &subs->synt); |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4397 #endif |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4398 subs = &temp_subs; |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4399 } |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4400 |
6594 | 4401 /* TODO: check for vim_realloc() returning NULL. */ |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4402 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
|
4403 l->len = newlen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4404 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4405 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4406 /* add the state to the list */ |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4407 state->lastlist[nfa_ll_index] = l->id; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4408 thread = &l->t[l->n++]; |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4409 thread->state = state; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4410 if (pim == NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4411 thread->pim.result = NFA_PIM_UNUSED; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4412 else |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4413 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4414 copy_pim(&thread->pim, pim); |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4415 l->has_pim = TRUE; |
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4416 } |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4417 copy_sub(&thread->subs.norm, &subs->norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4418 #ifdef FEAT_SYN_HL |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4419 if (nfa_has_zsubexpr) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4420 copy_sub(&thread->subs.synt, &subs->synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4421 #endif |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4422 #ifdef ENABLE_LOG |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4423 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
|
4424 did_print = TRUE; |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4425 #endif |
4444 | 4426 } |
4427 | |
4428 #ifdef ENABLE_LOG | |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4429 if (!did_print) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4430 report_state("Processing", &subs->norm, state, l->id, pim); |
4444 | 4431 #endif |
4432 switch (state->c) | |
4433 { | |
4434 case NFA_MATCH: | |
4435 break; | |
4436 | |
4437 case NFA_SPLIT: | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4438 /* order matters here */ |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4439 subs = addstate(l, state->out, subs, pim, off); |
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4440 subs = addstate(l, state->out1, subs, pim, off); |
4444 | 4441 break; |
4442 | |
5370 | 4443 case NFA_EMPTY: |
4444 | 4444 case NFA_NOPEN: |
4445 case NFA_NCLOSE: | |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4446 subs = addstate(l, state->out, subs, pim, off); |
4444 | 4447 break; |
4448 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4449 case NFA_MOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4450 case NFA_MOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4451 case NFA_MOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4452 case NFA_MOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4453 case NFA_MOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4454 case NFA_MOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4455 case NFA_MOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4456 case NFA_MOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4457 case NFA_MOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4458 case NFA_MOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4459 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4460 case NFA_ZOPEN: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4461 case NFA_ZOPEN1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4462 case NFA_ZOPEN2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4463 case NFA_ZOPEN3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4464 case NFA_ZOPEN4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4465 case NFA_ZOPEN5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4466 case NFA_ZOPEN6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4467 case NFA_ZOPEN7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4468 case NFA_ZOPEN8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4469 case NFA_ZOPEN9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4470 #endif |
4444 | 4471 case NFA_ZSTART: |
4472 if (state->c == NFA_ZSTART) | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4473 { |
4444 | 4474 subidx = 0; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4475 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4476 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4477 #ifdef FEAT_SYN_HL |
5300 | 4478 else if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9) |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4479 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4480 subidx = state->c - NFA_ZOPEN; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4481 sub = &subs->synt; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4482 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4483 #endif |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4484 else |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4485 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4486 subidx = state->c - NFA_MOPEN; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4487 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4488 } |
4444 | 4489 |
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4490 /* avoid compiler warnings */ |
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4491 save_ptr = NULL; |
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4492 save_lpos.lnum = 0; |
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4493 save_lpos.col = 0; |
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4494 |
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4495 /* 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
|
4496 * and restore it when it was in use. Otherwise fill any gap. */ |
4444 | 4497 if (REG_MULTI) |
4498 { | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4499 if (subidx < sub->in_use) |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4500 { |
6547 | 4501 save_lpos.lnum = sub->list.multi[subidx].start_lnum; |
4502 save_lpos.col = sub->list.multi[subidx].start_col; | |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4503 save_in_use = -1; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4504 } |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4505 else |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4506 { |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4507 save_in_use = sub->in_use; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4508 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
|
4509 { |
6547 | 4510 sub->list.multi[i].start_lnum = -1; |
4511 sub->list.multi[i].end_lnum = -1; | |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4512 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4513 sub->in_use = subidx + 1; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4514 } |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4515 if (off == -1) |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4516 { |
6547 | 4517 sub->list.multi[subidx].start_lnum = reglnum + 1; |
4518 sub->list.multi[subidx].start_col = 0; | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4519 } |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4520 else |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4521 { |
6547 | 4522 sub->list.multi[subidx].start_lnum = reglnum; |
4523 sub->list.multi[subidx].start_col = | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4524 (colnr_T)(reginput - regline + off); |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4525 } |
7152
cbdc02d71a18
commit https://github.com/vim/vim/commit/c2b717ebd6719e722dcb5f10e4c74033a53ff7c7
Christian Brabandt <cb@256bit.org>
parents:
6914
diff
changeset
|
4526 sub->list.multi[subidx].end_lnum = -1; |
4444 | 4527 } |
4528 else | |
4529 { | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4530 if (subidx < sub->in_use) |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4531 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4532 save_ptr = sub->list.line[subidx].start; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4533 save_in_use = -1; |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4534 } |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4535 else |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4536 { |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4537 save_in_use = sub->in_use; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4538 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
|
4539 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4540 sub->list.line[i].start = NULL; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4541 sub->list.line[i].end = NULL; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4542 } |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4543 sub->in_use = subidx + 1; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4544 } |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4545 sub->list.line[subidx].start = reginput + off; |
4444 | 4546 } |
4547 | |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4548 subs = addstate(l, state->out, subs, pim, off); |
5300 | 4549 /* "subs" may have changed, need to set "sub" again */ |
4550 #ifdef FEAT_SYN_HL | |
4551 if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9) | |
4552 sub = &subs->synt; | |
4553 else | |
4554 #endif | |
4555 sub = &subs->norm; | |
4444 | 4556 |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4557 if (save_in_use == -1) |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4558 { |
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4559 if (REG_MULTI) |
6547 | 4560 { |
4561 sub->list.multi[subidx].start_lnum = save_lpos.lnum; | |
4562 sub->list.multi[subidx].start_col = save_lpos.col; | |
4563 } | |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4564 else |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4565 sub->list.line[subidx].start = save_ptr; |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4566 } |
4444 | 4567 else |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4568 sub->in_use = save_in_use; |
4444 | 4569 break; |
4570 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4571 case NFA_MCLOSE: |
5336 | 4572 if (nfa_has_zend && (REG_MULTI |
6547 | 4573 ? subs->norm.list.multi[0].end_lnum >= 0 |
5336 | 4574 : subs->norm.list.line[0].end != NULL)) |
4444 | 4575 { |
5336 | 4576 /* Do not overwrite the position set by \ze. */ |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4577 subs = addstate(l, state->out, subs, pim, off); |
4444 | 4578 break; |
4579 } | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4580 case NFA_MCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4581 case NFA_MCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4582 case NFA_MCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4583 case NFA_MCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4584 case NFA_MCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4585 case NFA_MCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4586 case NFA_MCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4587 case NFA_MCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4588 case NFA_MCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4589 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4590 case NFA_ZCLOSE: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4591 case NFA_ZCLOSE1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4592 case NFA_ZCLOSE2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4593 case NFA_ZCLOSE3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4594 case NFA_ZCLOSE4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4595 case NFA_ZCLOSE5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4596 case NFA_ZCLOSE6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4597 case NFA_ZCLOSE7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4598 case NFA_ZCLOSE8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4599 case NFA_ZCLOSE9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4600 #endif |
4444 | 4601 case NFA_ZEND: |
4602 if (state->c == NFA_ZEND) | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4603 { |
4444 | 4604 subidx = 0; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4605 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4606 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4607 #ifdef FEAT_SYN_HL |
5300 | 4608 else if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9) |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4609 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4610 subidx = state->c - NFA_ZCLOSE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4611 sub = &subs->synt; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4612 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4613 #endif |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4614 else |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4615 { |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4616 subidx = state->c - NFA_MCLOSE; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4617 sub = &subs->norm; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4618 } |
4444 | 4619 |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4620 /* 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
|
4621 * has done that. */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4622 save_in_use = sub->in_use; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4623 if (sub->in_use <= subidx) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4624 sub->in_use = subidx + 1; |
4444 | 4625 if (REG_MULTI) |
4626 { | |
6547 | 4627 save_lpos.lnum = sub->list.multi[subidx].end_lnum; |
4628 save_lpos.col = sub->list.multi[subidx].end_col; | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4629 if (off == -1) |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4630 { |
6547 | 4631 sub->list.multi[subidx].end_lnum = reglnum + 1; |
4632 sub->list.multi[subidx].end_col = 0; | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4633 } |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4634 else |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4635 { |
6547 | 4636 sub->list.multi[subidx].end_lnum = reglnum; |
4637 sub->list.multi[subidx].end_col = | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4638 (colnr_T)(reginput - regline + off); |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4639 } |
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4640 /* avoid compiler warnings */ |
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4641 save_ptr = NULL; |
4444 | 4642 } |
4643 else | |
4644 { | |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4645 save_ptr = sub->list.line[subidx].end; |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4646 sub->list.line[subidx].end = reginput + off; |
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4647 /* avoid compiler warnings */ |
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4648 save_lpos.lnum = 0; |
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4649 save_lpos.col = 0; |
4444 | 4650 } |
4651 | |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4652 subs = addstate(l, state->out, subs, pim, off); |
5300 | 4653 /* "subs" may have changed, need to set "sub" again */ |
4654 #ifdef FEAT_SYN_HL | |
4655 if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9) | |
4656 sub = &subs->synt; | |
4657 else | |
4658 #endif | |
4659 sub = &subs->norm; | |
4444 | 4660 |
4661 if (REG_MULTI) | |
6547 | 4662 { |
4663 sub->list.multi[subidx].end_lnum = save_lpos.lnum; | |
4664 sub->list.multi[subidx].end_col = save_lpos.col; | |
4665 } | |
4444 | 4666 else |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4667 sub->list.line[subidx].end = save_ptr; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4668 sub->in_use = save_in_use; |
4444 | 4669 break; |
4670 } | |
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4671 return subs; |
4444 | 4672 } |
4673 | |
4674 /* | |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4675 * 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
|
4676 * 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
|
4677 * 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
|
4678 * matters for alternatives. |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4679 */ |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4680 static void |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4681 addstate_here(l, state, subs, pim, ip) |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4682 nfa_list_T *l; /* runtime state list */ |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4683 nfa_state_T *state; /* state to update */ |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4684 regsubs_T *subs; /* pointers to subexpressions */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4685 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
|
4686 int *ip; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4687 { |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4688 int tlen = l->n; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4689 int count; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4690 int listidx = *ip; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4691 |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4692 /* 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
|
4693 addstate(l, state, subs, pim, 0); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4694 |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4695 /* 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
|
4696 if (listidx + 1 == tlen) |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4697 return; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4698 |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4699 /* 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
|
4700 count = l->n - tlen; |
4924
6ae32a64e153
updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents:
4897
diff
changeset
|
4701 if (count == 0) |
6ae32a64e153
updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents:
4897
diff
changeset
|
4702 return; /* no state got added */ |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4703 if (count == 1) |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4704 { |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4705 /* overwrite the current state */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4706 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
|
4707 } |
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4708 else if (count > 1) |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4709 { |
5058
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4710 if (l->n + count - 1 >= l->len) |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4711 { |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4712 /* 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
|
4713 * and move the states to the right position */ |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4714 nfa_thread_T *newl; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4715 |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4716 l->len = l->len * 3 / 2 + 50; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4717 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
|
4718 if (newl == NULL) |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4719 return; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4720 mch_memmove(&(newl[0]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4721 &(l->t[0]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4722 sizeof(nfa_thread_T) * listidx); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4723 mch_memmove(&(newl[listidx]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4724 &(l->t[l->n - count]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4725 sizeof(nfa_thread_T) * count); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4726 mch_memmove(&(newl[listidx + count]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4727 &(l->t[listidx + 1]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4728 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
|
4729 vim_free(l->t); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4730 l->t = newl; |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4731 } |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4732 else |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4733 { |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4734 /* 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
|
4735 * end to the current position */ |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4736 mch_memmove(&(l->t[listidx + count]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4737 &(l->t[listidx + 1]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4738 sizeof(nfa_thread_T) * (l->n - listidx - 1)); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4739 mch_memmove(&(l->t[listidx]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4740 &(l->t[l->n - 1]), |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4741 sizeof(nfa_thread_T) * count); |
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4742 } |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4743 } |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4744 --l->n; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4745 *ip = listidx - 1; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4746 } |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4747 |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4748 /* |
4444 | 4749 * Check character class "class" against current character c. |
4750 */ | |
4751 static int | |
4752 check_char_class(class, c) | |
4753 int class; | |
4754 int c; | |
4755 { | |
4756 switch (class) | |
4757 { | |
4758 case NFA_CLASS_ALNUM: | |
4464 | 4759 if (c >= 1 && c <= 255 && isalnum(c)) |
4444 | 4760 return OK; |
4761 break; | |
4762 case NFA_CLASS_ALPHA: | |
4464 | 4763 if (c >= 1 && c <= 255 && isalpha(c)) |
4444 | 4764 return OK; |
4765 break; | |
4766 case NFA_CLASS_BLANK: | |
4767 if (c == ' ' || c == '\t') | |
4768 return OK; | |
4769 break; | |
4770 case NFA_CLASS_CNTRL: | |
4464 | 4771 if (c >= 1 && c <= 255 && iscntrl(c)) |
4444 | 4772 return OK; |
4773 break; | |
4774 case NFA_CLASS_DIGIT: | |
4775 if (VIM_ISDIGIT(c)) | |
4776 return OK; | |
4777 break; | |
4778 case NFA_CLASS_GRAPH: | |
4464 | 4779 if (c >= 1 && c <= 255 && isgraph(c)) |
4444 | 4780 return OK; |
4781 break; | |
4782 case NFA_CLASS_LOWER: | |
4783 if (MB_ISLOWER(c)) | |
4784 return OK; | |
4785 break; | |
4786 case NFA_CLASS_PRINT: | |
4787 if (vim_isprintc(c)) | |
4788 return OK; | |
4789 break; | |
4790 case NFA_CLASS_PUNCT: | |
4464 | 4791 if (c >= 1 && c <= 255 && ispunct(c)) |
4444 | 4792 return OK; |
4793 break; | |
4794 case NFA_CLASS_SPACE: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4795 if ((c >= 9 && c <= 13) || (c == ' ')) |
4444 | 4796 return OK; |
4797 break; | |
4798 case NFA_CLASS_UPPER: | |
4799 if (MB_ISUPPER(c)) | |
4800 return OK; | |
4801 break; | |
4802 case NFA_CLASS_XDIGIT: | |
4803 if (vim_isxdigit(c)) | |
4804 return OK; | |
4805 break; | |
4806 case NFA_CLASS_TAB: | |
4807 if (c == '\t') | |
4808 return OK; | |
4809 break; | |
4810 case NFA_CLASS_RETURN: | |
4811 if (c == '\r') | |
4812 return OK; | |
4813 break; | |
4814 case NFA_CLASS_BACKSPACE: | |
4815 if (c == '\b') | |
4816 return OK; | |
4817 break; | |
4818 case NFA_CLASS_ESCAPE: | |
4819 if (c == '\033') | |
4820 return OK; | |
4821 break; | |
4822 | |
4823 default: | |
4824 /* should not be here :P */ | |
5511 | 4825 EMSGN(_(e_ill_char_class), class); |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
4826 return FAIL; |
4444 | 4827 } |
4828 return FAIL; | |
4829 } | |
4830 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4831 /* |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4832 * Check for a match with subexpression "subidx". |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4833 * Return TRUE if it matches. |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4834 */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4835 static int |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4836 match_backref(sub, subidx, bytelen) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4837 regsub_T *sub; /* pointers to subexpressions */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4838 int subidx; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4839 int *bytelen; /* out: length of match in bytes */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4840 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4841 int len; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4842 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4843 if (sub->in_use <= subidx) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4844 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4845 retempty: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4846 /* backref was not set, match an empty string */ |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4847 *bytelen = 0; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4848 return TRUE; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4849 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4850 |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4851 if (REG_MULTI) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4852 { |
6547 | 4853 if (sub->list.multi[subidx].start_lnum < 0 |
4854 || sub->list.multi[subidx].end_lnum < 0) | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4855 goto retempty; |
6547 | 4856 if (sub->list.multi[subidx].start_lnum == reglnum |
4857 && sub->list.multi[subidx].end_lnum == reglnum) | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4858 { |
6547 | 4859 len = sub->list.multi[subidx].end_col |
4860 - sub->list.multi[subidx].start_col; | |
4861 if (cstrncmp(regline + sub->list.multi[subidx].start_col, | |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4862 reginput, &len) == 0) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4863 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4864 *bytelen = len; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4865 return TRUE; |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4866 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4867 } |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4868 else |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4869 { |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4870 if (match_with_backref( |
6547 | 4871 sub->list.multi[subidx].start_lnum, |
4872 sub->list.multi[subidx].start_col, | |
4873 sub->list.multi[subidx].end_lnum, | |
4874 sub->list.multi[subidx].end_col, | |
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4875 bytelen) == RA_MATCH) |
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4876 return TRUE; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4877 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4878 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4879 else |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4880 { |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4881 if (sub->list.line[subidx].start == NULL |
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4882 || sub->list.line[subidx].end == NULL) |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4883 goto retempty; |
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4884 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
|
4885 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
|
4886 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4887 *bytelen = len; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4888 return TRUE; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4889 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4890 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4891 return FALSE; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4892 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4893 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4894 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4895 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4896 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
|
4897 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4898 /* |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4899 * Check for a match with \z subexpression "subidx". |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4900 * Return TRUE if it matches. |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4901 */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4902 static int |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4903 match_zref(subidx, bytelen) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4904 int subidx; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4905 int *bytelen; /* out: length of match in bytes */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4906 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4907 int len; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4908 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4909 cleanup_zsubexpr(); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4910 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
|
4911 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4912 /* backref was not set, match an empty string */ |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4913 *bytelen = 0; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4914 return TRUE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4915 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4916 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4917 len = (int)STRLEN(re_extmatch_in->matches[subidx]); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4918 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
|
4919 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4920 *bytelen = len; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4921 return TRUE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4922 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4923 return FALSE; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4924 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4925 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4926 |
4444 | 4927 /* |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4928 * 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
|
4929 * Also reset the IDs to zero. |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4930 * Only used for the recursive value lastlist[1]. |
4444 | 4931 */ |
4932 static void | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4933 nfa_save_listids(prog, list) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4934 nfa_regprog_T *prog; |
4444 | 4935 int *list; |
4936 { | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4937 int i; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4938 nfa_state_T *p; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4939 |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4940 /* 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
|
4941 p = &prog->state[0]; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4942 for (i = prog->nstate; --i >= 0; ) |
4444 | 4943 { |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4944 list[i] = p->lastlist[1]; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4945 p->lastlist[1] = 0; |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4946 ++p; |
4444 | 4947 } |
4948 } | |
4949 | |
4950 /* | |
4951 * Restore list IDs from "list" to all NFA states. | |
4952 */ | |
4953 static void | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4954 nfa_restore_listids(prog, list) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4955 nfa_regprog_T *prog; |
4444 | 4956 int *list; |
4957 { | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4958 int i; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4959 nfa_state_T *p; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4960 |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4961 p = &prog->state[0]; |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4962 for (i = prog->nstate; --i >= 0; ) |
4444 | 4963 { |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4964 p->lastlist[1] = list[i]; |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4965 ++p; |
4444 | 4966 } |
4967 } | |
4968 | |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4969 static int |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4970 nfa_re_num_cmp(val, op, pos) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4971 long_u val; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4972 int op; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4973 long_u pos; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4974 { |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4975 if (op == 1) return pos > val; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4976 if (op == 2) return pos < val; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4977 return val == pos; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4978 } |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
4979 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4980 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
|
4981 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
|
4982 |
4444 | 4983 /* |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4984 * Recursively call nfa_regmatch() |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4985 * "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
|
4986 * position). |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4987 */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4988 static int |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4989 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
|
4990 nfa_state_T *state; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4991 nfa_pim_T *pim; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4992 nfa_regprog_T *prog; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4993 regsubs_T *submatch; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4994 regsubs_T *m; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4995 int **listids; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4996 { |
4887
dc78a26f6f64
updated for version 7.3.1189
Bram Moolenaar <bram@vim.org>
parents:
4879
diff
changeset
|
4997 int save_reginput_col = (int)(reginput - regline); |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4998 int save_reglnum = reglnum; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
4999 int save_nfa_match = nfa_match; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5000 int save_nfa_listid = nfa_listid; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5001 save_se_T *save_nfa_endp = nfa_endp; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5002 save_se_T endpos; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5003 save_se_T *endposp = NULL; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5004 int result; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5005 int need_restore = FALSE; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5006 |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5007 if (pim != NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5008 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5009 /* 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
|
5010 if (REG_MULTI) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5011 reginput = regline + pim->end.pos.col; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5012 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5013 reginput = pim->end.ptr; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5014 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5015 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5016 if (state->c == NFA_START_INVISIBLE_BEFORE |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5017 || state->c == NFA_START_INVISIBLE_BEFORE_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5018 || state->c == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5019 || 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
|
5020 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5021 /* 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
|
5022 * not NULL it specifies the current position. */ |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5023 endposp = &endpos; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5024 if (REG_MULTI) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5025 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5026 if (pim == NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5027 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5028 endpos.se_u.pos.col = (int)(reginput - regline); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5029 endpos.se_u.pos.lnum = reglnum; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5030 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5031 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5032 endpos.se_u.pos = pim->end.pos; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5033 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5034 else |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5035 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5036 if (pim == NULL) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5037 endpos.se_u.ptr = reginput; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5038 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5039 endpos.se_u.ptr = pim->end.ptr; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5040 } |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5041 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5042 /* 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
|
5043 * start of the previous line, to try matching "\@<=" or |
5188
fa76be660fa9
updated for version 7.4a.020
Bram Moolenaar <bram@vim.org>
parents:
5184
diff
changeset
|
5044 * not matching "\@<!". This is very inefficient, limit the number of |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
5045 * bytes if possible. */ |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5046 if (state->val <= 0) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5047 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5048 if (REG_MULTI) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5049 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5050 regline = reg_getline(--reglnum); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5051 if (regline == NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5052 /* can't go before the first line */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5053 regline = reg_getline(++reglnum); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5054 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5055 reginput = regline; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5056 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5057 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5058 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5059 if (REG_MULTI && (int)(reginput - regline) < state->val) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5060 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5061 /* 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
|
5062 * previous line. */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5063 regline = reg_getline(--reglnum); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5064 if (regline == NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5065 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5066 /* can't go before the first line */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5067 regline = reg_getline(++reglnum); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5068 reginput = regline; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5069 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5070 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5071 reginput = regline + STRLEN(regline); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5072 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5073 if ((int)(reginput - regline) >= state->val) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5074 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5075 reginput -= state->val; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5076 #ifdef FEAT_MBYTE |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5077 if (has_mbyte) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5078 reginput -= mb_head_off(regline, reginput); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5079 #endif |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5080 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5081 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5082 reginput = regline; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5083 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5084 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5085 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5086 #ifdef ENABLE_LOG |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5087 if (log_fd != stderr) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5088 fclose(log_fd); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5089 log_fd = NULL; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5090 #endif |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5091 /* 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
|
5092 * 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
|
5093 if (nfa_ll_index == 1) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5094 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5095 /* 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
|
5096 * values and clear them. */ |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5097 if (*listids == NULL) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5098 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5099 *listids = (int *)lalloc(sizeof(int) * nstate, TRUE); |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5100 if (*listids == NULL) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5101 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5102 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
|
5103 return 0; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5104 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5105 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5106 nfa_save_listids(prog, *listids); |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5107 need_restore = TRUE; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5108 /* any value of nfa_listid will do */ |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5109 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5110 else |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5111 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5112 /* 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
|
5113 * 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
|
5114 * 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
|
5115 ++nfa_ll_index; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5116 if (nfa_listid <= nfa_alt_listid) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5117 nfa_listid = nfa_alt_listid; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5118 } |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5119 |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5120 /* 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
|
5121 * 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
|
5122 nfa_endp = endposp; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5123 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
|
5124 |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5125 if (need_restore) |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5126 nfa_restore_listids(prog, *listids); |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5127 else |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5128 { |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5129 --nfa_ll_index; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5130 nfa_alt_listid = nfa_listid; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5131 } |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5132 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5133 /* restore position in input text */ |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5134 reglnum = save_reglnum; |
4877
9e36c6b1ebf4
updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents:
4845
diff
changeset
|
5135 if (REG_MULTI) |
9e36c6b1ebf4
updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents:
4845
diff
changeset
|
5136 regline = reg_getline(reglnum); |
4887
dc78a26f6f64
updated for version 7.3.1189
Bram Moolenaar <bram@vim.org>
parents:
4879
diff
changeset
|
5137 reginput = regline + save_reginput_col; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5138 nfa_match = save_nfa_match; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5139 nfa_endp = save_nfa_endp; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5140 nfa_listid = save_nfa_listid; |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5141 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5142 #ifdef ENABLE_LOG |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5143 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5144 if (log_fd != NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5145 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5146 fprintf(log_fd, "****************************\n"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5147 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
|
5148 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
|
5149 fprintf(log_fd, "****************************\n"); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5150 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5151 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5152 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5153 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
|
5154 log_fd = stderr; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5155 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5156 #endif |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5157 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5158 return result; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5159 } |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5160 |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5161 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
|
5162 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
|
5163 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5164 /* |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5165 * 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
|
5166 * empty match: 0 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5167 * NFA_ANY: 1 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5168 * specific character: 99 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5169 */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5170 static int |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5171 failure_chance(state, depth) |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5172 nfa_state_T *state; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5173 int depth; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5174 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5175 int c = state->c; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5176 int l, r; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5177 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5178 /* detect looping */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5179 if (depth > 4) |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5180 return 1; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5181 |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5182 switch (c) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5183 { |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5184 case NFA_SPLIT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5185 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
|
5186 /* avoid recursive stuff */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5187 return 1; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5188 /* two alternatives, use the lowest failure chance */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5189 l = failure_chance(state->out, depth + 1); |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5190 r = failure_chance(state->out1, depth + 1); |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5191 return l < r ? l : r; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5192 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5193 case NFA_ANY: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5194 /* matches anything, unlikely to fail */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5195 return 1; |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5196 |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5197 case NFA_MATCH: |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5198 case NFA_MCLOSE: |
5901 | 5199 case NFA_ANY_COMPOSING: |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5200 /* empty match works always */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5201 return 0; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5202 |
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5203 case NFA_START_INVISIBLE: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5204 case NFA_START_INVISIBLE_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5205 case NFA_START_INVISIBLE_NEG: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5206 case NFA_START_INVISIBLE_NEG_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5207 case NFA_START_INVISIBLE_BEFORE: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5208 case NFA_START_INVISIBLE_BEFORE_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5209 case NFA_START_INVISIBLE_BEFORE_NEG: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5210 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5211 case NFA_START_PATTERN: |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5212 /* recursive regmatch is expensive, use low failure chance */ |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5213 return 5; |
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5214 |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5215 case NFA_BOL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5216 case NFA_EOL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5217 case NFA_BOF: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5218 case NFA_EOF: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5219 case NFA_NEWL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5220 return 99; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5221 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5222 case NFA_BOW: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5223 case NFA_EOW: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5224 return 90; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5225 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5226 case NFA_MOPEN: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5227 case NFA_MOPEN1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5228 case NFA_MOPEN2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5229 case NFA_MOPEN3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5230 case NFA_MOPEN4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5231 case NFA_MOPEN5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5232 case NFA_MOPEN6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5233 case NFA_MOPEN7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5234 case NFA_MOPEN8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5235 case NFA_MOPEN9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5236 #ifdef FEAT_SYN_HL |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5237 case NFA_ZOPEN: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5238 case NFA_ZOPEN1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5239 case NFA_ZOPEN2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5240 case NFA_ZOPEN3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5241 case NFA_ZOPEN4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5242 case NFA_ZOPEN5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5243 case NFA_ZOPEN6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5244 case NFA_ZOPEN7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5245 case NFA_ZOPEN8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5246 case NFA_ZOPEN9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5247 case NFA_ZCLOSE: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5248 case NFA_ZCLOSE1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5249 case NFA_ZCLOSE2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5250 case NFA_ZCLOSE3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5251 case NFA_ZCLOSE4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5252 case NFA_ZCLOSE5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5253 case NFA_ZCLOSE6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5254 case NFA_ZCLOSE7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5255 case NFA_ZCLOSE8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5256 case NFA_ZCLOSE9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5257 #endif |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5258 case NFA_NOPEN: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5259 case NFA_MCLOSE1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5260 case NFA_MCLOSE2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5261 case NFA_MCLOSE3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5262 case NFA_MCLOSE4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5263 case NFA_MCLOSE5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5264 case NFA_MCLOSE6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5265 case NFA_MCLOSE7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5266 case NFA_MCLOSE8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5267 case NFA_MCLOSE9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5268 case NFA_NCLOSE: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5269 return failure_chance(state->out, depth + 1); |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5270 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5271 case NFA_BACKREF1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5272 case NFA_BACKREF2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5273 case NFA_BACKREF3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5274 case NFA_BACKREF4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5275 case NFA_BACKREF5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5276 case NFA_BACKREF6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5277 case NFA_BACKREF7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5278 case NFA_BACKREF8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5279 case NFA_BACKREF9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5280 #ifdef FEAT_SYN_HL |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5281 case NFA_ZREF1: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5282 case NFA_ZREF2: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5283 case NFA_ZREF3: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5284 case NFA_ZREF4: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5285 case NFA_ZREF5: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5286 case NFA_ZREF6: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5287 case NFA_ZREF7: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5288 case NFA_ZREF8: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5289 case NFA_ZREF9: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5290 #endif |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5291 /* backreferences don't match in many places */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5292 return 94; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5293 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5294 case NFA_LNUM_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5295 case NFA_LNUM_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5296 case NFA_COL_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5297 case NFA_COL_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5298 case NFA_VCOL_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5299 case NFA_VCOL_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5300 case NFA_MARK_GT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5301 case NFA_MARK_LT: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5302 case NFA_VISUAL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5303 /* before/after positions don't match very often */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5304 return 85; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5305 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5306 case NFA_LNUM: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5307 return 90; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5308 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5309 case NFA_CURSOR: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5310 case NFA_COL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5311 case NFA_VCOL: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5312 case NFA_MARK: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5313 /* specific positions rarely match */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5314 return 98; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5315 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5316 case NFA_COMPOSING: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5317 return 95; |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5318 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5319 default: |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5320 if (c > 0) |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5321 /* character match fails often */ |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5322 return 95; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5323 } |
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5324 |
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5325 /* something else, includes character classes */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5326 return 50; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5327 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5328 |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5329 /* |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5330 * 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
|
5331 */ |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5332 static int |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5333 skip_to_start(c, colp) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5334 int c; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5335 colnr_T *colp; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5336 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5337 char_u *s; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5338 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5339 /* 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
|
5340 if (!ireg_ic |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5341 #ifdef FEAT_MBYTE |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5342 && !has_mbyte |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5343 #endif |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5344 ) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5345 s = vim_strbyte(regline + *colp, c); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5346 else |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5347 s = cstrchr(regline + *colp, c); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5348 if (s == NULL) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5349 return FAIL; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5350 *colp = (int)(s - regline); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5351 return OK; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5352 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5353 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5354 /* |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5355 * Check for a match with match_text. |
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
5356 * 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
|
5357 * 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
|
5358 */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5359 static long |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5360 find_match_text(startcol, regstart, match_text) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5361 colnr_T startcol; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5362 int regstart; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5363 char_u *match_text; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5364 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5365 colnr_T col = startcol; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5366 int c1, c2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5367 int len1, len2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5368 int match; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5369 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5370 for (;;) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5371 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5372 match = TRUE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5373 len2 = MB_CHAR2LEN(regstart); /* skip regstart */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5374 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
|
5375 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5376 c1 = PTR2CHAR(match_text + len1); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5377 c2 = PTR2CHAR(regline + col + len2); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5378 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
|
5379 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5380 match = FALSE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5381 break; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5382 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5383 len2 += MB_CHAR2LEN(c2); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5384 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5385 if (match |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5386 #ifdef FEAT_MBYTE |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5387 /* check that no composing char follows */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5388 && !(enc_utf8 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5389 && utf_iscomposing(PTR2CHAR(regline + col + len2))) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5390 #endif |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5391 ) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5392 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5393 cleanup_subexpr(); |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5394 if (REG_MULTI) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5395 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5396 reg_startpos[0].lnum = reglnum; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5397 reg_startpos[0].col = col; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5398 reg_endpos[0].lnum = reglnum; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5399 reg_endpos[0].col = col + len2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5400 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5401 else |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5402 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5403 reg_startp[0] = regline + col; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5404 reg_endp[0] = regline + col + len2; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5405 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5406 return 1L; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5407 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5408 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5409 /* Try finding regstart after the current match. */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5410 col += MB_CHAR2LEN(regstart); /* skip regstart */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5411 if (skip_to_start(regstart, &col) == FAIL) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5412 break; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5413 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5414 return 0L; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5415 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5416 |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5417 /* |
4444 | 5418 * Main matching routine. |
5419 * | |
5420 * Run NFA to determine whether it matches reginput. | |
5421 * | |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5422 * 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
|
5423 * |
4444 | 5424 * Return TRUE if there is a match, FALSE otherwise. |
5372 | 5425 * When there is a match "submatch" contains the positions. |
4444 | 5426 * Note: Caller must ensure that: start != NULL. |
5427 */ | |
5428 static int | |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5429 nfa_regmatch(prog, start, submatch, m) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5430 nfa_regprog_T *prog; |
4444 | 5431 nfa_state_T *start; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5432 regsubs_T *submatch; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5433 regsubs_T *m; |
4444 | 5434 { |
5435 int result; | |
6545 | 5436 size_t size = 0; |
4444 | 5437 int flag = 0; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5438 int go_to_nextline = FALSE; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5439 nfa_thread_T *t; |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5440 nfa_list_T list[2]; |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5441 int listidx; |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5442 nfa_list_T *thislist; |
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5443 nfa_list_T *nextlist; |
4444 | 5444 int *listids = NULL; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5445 nfa_state_T *add_state; |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5446 int add_here; |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5447 int add_count; |
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
5448 int add_off = 0; |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5449 int toplevel = start->c == NFA_MOPEN; |
4460 | 5450 #ifdef NFA_REGEXP_DEBUG_LOG |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5451 FILE *debug = fopen(NFA_REGEXP_DEBUG_LOG, "a"); |
4444 | 5452 |
5453 if (debug == NULL) | |
5454 { | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5455 EMSG2(_("(NFA) COULD NOT OPEN %s !"), NFA_REGEXP_DEBUG_LOG); |
4444 | 5456 return FALSE; |
5457 } | |
5458 #endif | |
5310 | 5459 /* Some patterns may take a long time to match, especially when using |
5460 * recursive_regmatch(). Allow interrupting them with CTRL-C. */ | |
5461 fast_breakcheck(); | |
5462 if (got_int) | |
5463 return FALSE; | |
6573 | 5464 #ifdef FEAT_RELTIME |
5465 if (nfa_time_limit != NULL && profile_passed_limit(nfa_time_limit)) | |
5466 return FALSE; | |
5467 #endif | |
5310 | 5468 |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5469 nfa_match = FALSE; |
4444 | 5470 |
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
5471 /* Allocate memory for the lists of nodes. */ |
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5472 size = (nstate + 1) * sizeof(nfa_thread_T); |
6547 | 5473 |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5474 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
|
5475 list[0].len = nstate + 1; |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5476 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
|
5477 list[1].len = nstate + 1; |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5478 if (list[0].t == NULL || list[1].t == NULL) |
4444 | 5479 goto theend; |
5480 | |
5481 #ifdef ENABLE_LOG | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5482 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
4444 | 5483 if (log_fd != NULL) |
5484 { | |
5485 fprintf(log_fd, "**********************************\n"); | |
5486 nfa_set_code(start->c); | |
5487 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n", | |
5488 abs(start->id), code); | |
5489 fprintf(log_fd, "**********************************\n"); | |
5490 } | |
5491 else | |
5492 { | |
5493 EMSG(_("Could not open temporary log file for writing, displaying on stderr ... ")); | |
5494 log_fd = stderr; | |
5495 } | |
5496 #endif | |
5497 | |
5498 thislist = &list[0]; | |
5499 thislist->n = 0; | |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5500 thislist->has_pim = FALSE; |
4444 | 5501 nextlist = &list[1]; |
5502 nextlist->n = 0; | |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5503 nextlist->has_pim = FALSE; |
4444 | 5504 #ifdef ENABLE_LOG |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5505 fprintf(log_fd, "(---) STARTSTATE first\n"); |
4444 | 5506 #endif |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5507 thislist->id = nfa_listid + 1; |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5508 |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5509 /* 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
|
5510 * it's the first MOPEN. */ |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5511 if (toplevel) |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5512 { |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5513 if (REG_MULTI) |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5514 { |
6547 | 5515 m->norm.list.multi[0].start_lnum = reglnum; |
5516 m->norm.list.multi[0].start_col = (colnr_T)(reginput - regline); | |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5517 } |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5518 else |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5519 m->norm.list.line[0].start = reginput; |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5520 m->norm.in_use = 1; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5521 addstate(thislist, start->out, m, NULL, 0); |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5522 } |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5523 else |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5524 addstate(thislist, start, m, NULL, 0); |
4444 | 5525 |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5526 #define ADD_STATE_IF_MATCH(state) \ |
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5527 if (result) { \ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5528 add_state = state->out; \ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5529 add_off = clen; \ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5530 } |
4444 | 5531 |
5532 /* | |
5533 * Run for each character. | |
5534 */ | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5535 for (;;) |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5536 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5537 int curc; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5538 int clen; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5539 |
4444 | 5540 #ifdef FEAT_MBYTE |
5541 if (has_mbyte) | |
5542 { | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5543 curc = (*mb_ptr2char)(reginput); |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5544 clen = (*mb_ptr2len)(reginput); |
4444 | 5545 } |
5546 else | |
5547 #endif | |
5548 { | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5549 curc = *reginput; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5550 clen = 1; |
4444 | 5551 } |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5552 if (curc == NUL) |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5553 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5554 clen = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5555 go_to_nextline = FALSE; |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5556 } |
4444 | 5557 |
5558 /* swap lists */ | |
5559 thislist = &list[flag]; | |
5560 nextlist = &list[flag ^= 1]; | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
5561 nextlist->n = 0; /* clear nextlist */ |
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5562 nextlist->has_pim = FALSE; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5563 ++nfa_listid; |
6328 | 5564 if (prog->re_engine == AUTOMATIC_ENGINE && nfa_listid >= NFA_MAX_STATES) |
5565 { | |
5566 /* too many states, retry with old engine */ | |
5567 nfa_match = NFA_TOO_EXPENSIVE; | |
5568 goto theend; | |
5569 } | |
5570 | |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5571 thislist->id = nfa_listid; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5572 nextlist->id = nfa_listid + 1; |
4444 | 5573 |
5574 #ifdef ENABLE_LOG | |
5575 fprintf(log_fd, "------------------------------------------\n"); | |
5576 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
|
5577 fprintf(log_fd, ">>> Advanced one character ... Current char is %c (code %d) \n", curc, (int)curc); |
4444 | 5578 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
|
5579 { |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5580 int i; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5581 |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5582 for (i = 0; i < thislist->n; i++) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5583 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
|
5584 } |
4444 | 5585 fprintf(log_fd, "\n"); |
5586 #endif | |
5587 | |
4460 | 5588 #ifdef NFA_REGEXP_DEBUG_LOG |
4444 | 5589 fprintf(debug, "\n-------------------\n"); |
5590 #endif | |
4480 | 5591 /* |
5592 * If the state lists are empty we can stop. | |
5593 */ | |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5594 if (thislist->n == 0) |
4480 | 5595 break; |
4444 | 5596 |
5597 /* compute nextlist */ | |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5598 for (listidx = 0; listidx < thislist->n; ++listidx) |
4444 | 5599 { |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5600 t = &thislist->t[listidx]; |
4444 | 5601 |
4460 | 5602 #ifdef NFA_REGEXP_DEBUG_LOG |
4444 | 5603 nfa_set_code(t->state->c); |
5604 fprintf(debug, "%s, ", code); | |
5605 #endif | |
5606 #ifdef ENABLE_LOG | |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5607 { |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5608 int col; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5609 |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5610 if (t->subs.norm.in_use <= 0) |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5611 col = -1; |
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5612 else if (REG_MULTI) |
6547 | 5613 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
|
5614 else |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5615 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
|
5616 nfa_set_code(t->state->c); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5617 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
|
5618 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
|
5619 pim_info(&t->pim)); |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5620 } |
4444 | 5621 #endif |
5622 | |
5623 /* | |
5624 * Handle the possible codes of the current state. | |
5625 * The most important is NFA_MATCH. | |
5626 */ | |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5627 add_state = NULL; |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5628 add_here = FALSE; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5629 add_count = 0; |
4444 | 5630 switch (t->state->c) |
5631 { | |
5632 case NFA_MATCH: | |
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5633 { |
5901 | 5634 #ifdef FEAT_MBYTE |
5635 /* If the match ends before a composing characters and | |
5636 * ireg_icombine is not set, that is not really a match. */ | |
5637 if (enc_utf8 && !ireg_icombine && utf_iscomposing(curc)) | |
5638 break; | |
5639 #endif | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5640 nfa_match = TRUE; |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5641 copy_sub(&submatch->norm, &t->subs.norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5642 #ifdef FEAT_SYN_HL |
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5643 if (nfa_has_zsubexpr) |
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5644 copy_sub(&submatch->synt, &t->subs.synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5645 #endif |
4444 | 5646 #ifdef ENABLE_LOG |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5647 log_subsexpr(&t->subs); |
4444 | 5648 #endif |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5649 /* 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
|
5650 * 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
|
5651 * 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
|
5652 * correct. */ |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5653 if (nextlist->n == 0) |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5654 clen = 0; |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5655 goto nextchar; |
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5656 } |
4444 | 5657 |
5658 case NFA_END_INVISIBLE: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5659 case NFA_END_INVISIBLE_NEG: |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5660 case NFA_END_PATTERN: |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5661 /* |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5662 * 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
|
5663 * NFA_START_INVISIBLE_BEFORE node. |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5664 * They surround a zero-width group, used with "\@=", "\&", |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5665 * "\@!", "\@<=" and "\@<!". |
4444 | 5666 * If we got here, it means that the current "invisible" group |
5667 * 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
|
5668 * 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
|
5669 * in the position in "nfa_endp". |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5670 * 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
|
5671 */ |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5672 #ifdef ENABLE_LOG |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5673 if (nfa_endp != NULL) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5674 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5675 if (REG_MULTI) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5676 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
|
5677 (int)reglnum, |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5678 (int)nfa_endp->se_u.pos.lnum, |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5679 (int)(reginput - regline), |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5680 nfa_endp->se_u.pos.col); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5681 else |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5682 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
|
5683 (int)(reginput - regline), |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5684 (int)(nfa_endp->se_u.ptr - reginput)); |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5685 } |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5686 #endif |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5687 /* 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
|
5688 * "nfa_endp" */ |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5689 if (nfa_endp != NULL && (REG_MULTI |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5690 ? (reglnum != nfa_endp->se_u.pos.lnum |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5691 || (int)(reginput - regline) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5692 != nfa_endp->se_u.pos.col) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5693 : reginput != nfa_endp->se_u.ptr)) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5694 break; |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5695 |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5696 /* do not set submatches for \@! */ |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5697 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
|
5698 { |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5699 copy_sub(&m->norm, &t->subs.norm); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5700 #ifdef FEAT_SYN_HL |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5701 if (nfa_has_zsubexpr) |
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5702 copy_sub(&m->synt, &t->subs.synt); |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5703 #endif |
4444 | 5704 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5705 #ifdef ENABLE_LOG |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5706 fprintf(log_fd, "Match found:\n"); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5707 log_subsexpr(m); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5708 #endif |
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5709 nfa_match = TRUE; |
5334 | 5710 /* See comment above at "goto nextchar". */ |
5711 if (nextlist->n == 0) | |
5712 clen = 0; | |
5713 goto nextchar; | |
4444 | 5714 |
5715 case NFA_START_INVISIBLE: | |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5716 case NFA_START_INVISIBLE_FIRST: |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5717 case NFA_START_INVISIBLE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5718 case NFA_START_INVISIBLE_NEG_FIRST: |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5719 case NFA_START_INVISIBLE_BEFORE: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5720 case NFA_START_INVISIBLE_BEFORE_FIRST: |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5721 case NFA_START_INVISIBLE_BEFORE_NEG: |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5722 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
4444 | 5723 { |
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5724 #ifdef ENABLE_LOG |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5725 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
|
5726 failure_chance(t->state->out, 0), |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5727 failure_chance(t->state->out1->out, 0)); |
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5728 #endif |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5729 /* 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
|
5730 * nfa_postprocess() detected it will work better. */ |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5731 if (t->pim.result != NFA_PIM_UNUSED |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5732 || t->state->c == NFA_START_INVISIBLE_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5733 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5734 || t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5735 || 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
|
5736 { |
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5737 int in_use = m->norm.in_use; |
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5738 |
5370 | 5739 /* Copy submatch info for the recursive call, opposite |
5740 * of what happens on success below. */ | |
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5741 copy_sub_off(&m->norm, &t->subs.norm); |
5370 | 5742 #ifdef FEAT_SYN_HL |
5743 if (nfa_has_zsubexpr) | |
5744 copy_sub_off(&m->synt, &t->subs.synt); | |
5745 #endif | |
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5746 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5747 /* |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5748 * First try matching the invisible match, then what |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5749 * follows. |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5750 */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5751 result = recursive_regmatch(t->state, NULL, prog, |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5752 submatch, m, &listids); |
6328 | 5753 if (result == NFA_TOO_EXPENSIVE) |
5754 { | |
5755 nfa_match = result; | |
5756 goto theend; | |
5757 } | |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5758 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5759 /* 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
|
5760 * FALSE */ |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5761 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
|
5762 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5763 || t->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5764 == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5765 || t->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5766 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5767 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5768 /* Copy submatch info from the recursive call */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5769 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
|
5770 #ifdef FEAT_SYN_HL |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5771 if (nfa_has_zsubexpr) |
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5772 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
|
5773 #endif |
5372 | 5774 /* If the pattern has \ze and it matched in the |
5775 * sub pattern, use it. */ | |
5776 copy_ze_off(&t->subs.norm, &m->norm); | |
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5777 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5778 /* t->state->out1 is the corresponding |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5779 * 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
|
5780 * list (zero-width match). */ |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5781 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5782 add_state = t->state->out1->out; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5783 } |
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5784 m->norm.in_use = in_use; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5785 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5786 else |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5787 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5788 nfa_pim_T pim; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5789 |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5790 /* |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5791 * 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
|
5792 * 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
|
5793 * 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
|
5794 * about the invisible match. |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5795 */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5796 pim.state = t->state; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5797 pim.result = NFA_PIM_TODO; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5798 pim.subs.norm.in_use = 0; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5799 #ifdef FEAT_SYN_HL |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5800 pim.subs.synt.in_use = 0; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5801 #endif |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5802 if (REG_MULTI) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5803 { |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5804 pim.end.pos.col = (int)(reginput - regline); |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5805 pim.end.pos.lnum = reglnum; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5806 } |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5807 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5808 pim.end.ptr = reginput; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5809 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5810 /* t->state->out1 is the corresponding END_INVISIBLE |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5811 * 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
|
5812 * match). */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5813 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
|
5814 &pim, &listidx); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5815 } |
4444 | 5816 } |
5817 break; | |
5818 | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5819 case NFA_START_PATTERN: |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5820 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5821 nfa_state_T *skip = NULL; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5822 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5823 int skip_lid = 0; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5824 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5825 |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5826 /* 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
|
5827 * 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
|
5828 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
|
5829 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5830 skip = t->state->out1->out; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5831 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5832 skip_lid = nextlist->id; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5833 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5834 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5835 else if (state_in_list(nextlist, |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5836 t->state->out1->out->out, &t->subs)) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5837 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5838 skip = t->state->out1->out->out; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5839 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5840 skip_lid = nextlist->id; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5841 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5842 } |
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5843 else if (state_in_list(thislist, |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5844 t->state->out1->out->out, &t->subs)) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5845 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5846 skip = t->state->out1->out->out; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5847 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5848 skip_lid = thislist->id; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5849 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5850 } |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5851 if (skip != NULL) |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5852 { |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5853 #ifdef ENABLE_LOG |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5854 nfa_set_code(skip->c); |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5855 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
|
5856 abs(skip->id), skip_lid, skip->c, code); |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5857 #endif |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5858 break; |
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5859 } |
5370 | 5860 /* Copy submatch info to the recursive call, opposite of what |
5861 * happens afterwards. */ | |
5862 copy_sub_off(&m->norm, &t->subs.norm); | |
5863 #ifdef FEAT_SYN_HL | |
5864 if (nfa_has_zsubexpr) | |
5865 copy_sub_off(&m->synt, &t->subs.synt); | |
5866 #endif | |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5867 |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5868 /* First try matching the pattern. */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5869 result = recursive_regmatch(t->state, NULL, prog, |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5870 submatch, m, &listids); |
6328 | 5871 if (result == NFA_TOO_EXPENSIVE) |
5872 { | |
5873 nfa_match = result; | |
5874 goto theend; | |
5875 } | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5876 if (result) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5877 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5878 int bytelen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5879 |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5880 #ifdef ENABLE_LOG |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5881 fprintf(log_fd, "NFA_START_PATTERN matches:\n"); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5882 log_subsexpr(m); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5883 #endif |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5884 /* Copy submatch info from the recursive call */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5885 copy_sub_off(&t->subs.norm, &m->norm); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5886 #ifdef FEAT_SYN_HL |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5887 if (nfa_has_zsubexpr) |
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5888 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
|
5889 #endif |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5890 /* 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
|
5891 * continue with what follows. */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5892 if (REG_MULTI) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5893 /* TODO: multi-line match */ |
6547 | 5894 bytelen = m->norm.list.multi[0].end_col |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5895 - (int)(reginput - regline); |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5896 else |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5897 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
|
5898 |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5899 #ifdef ENABLE_LOG |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5900 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
|
5901 #endif |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5902 if (bytelen == 0) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5903 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5904 /* empty match, output of corresponding |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5905 * 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
|
5906 * position */ |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5907 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5908 add_state = t->state->out1->out->out; |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5909 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5910 else if (bytelen <= clen) |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5911 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5912 /* match current character, output of corresponding |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5913 * 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
|
5914 add_state = t->state->out1->out->out; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5915 add_off = clen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5916 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5917 else |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5918 { |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5919 /* skip over the matched characters, set character |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5920 * count in NFA_SKIP */ |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5921 add_state = t->state->out1->out; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5922 add_off = bytelen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5923 add_count = bytelen - clen; |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5924 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5925 } |
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5926 break; |
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5927 } |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5928 |
4444 | 5929 case NFA_BOL: |
5930 if (reginput == regline) | |
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 } |
4444 | 5935 break; |
5936 | |
5937 case NFA_EOL: | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5938 if (curc == NUL) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5939 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5940 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5941 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5942 } |
4444 | 5943 break; |
5944 | |
5945 case NFA_BOW: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5946 result = TRUE; |
4444 | 5947 |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5948 if (curc == NUL) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5949 result = FALSE; |
4444 | 5950 #ifdef FEAT_MBYTE |
5951 else if (has_mbyte) | |
5952 { | |
5953 int this_class; | |
5954 | |
5955 /* Get class of current and previous char (if it exists). */ | |
4503 | 5956 this_class = mb_get_class_buf(reginput, reg_buf); |
4444 | 5957 if (this_class <= 1) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5958 result = FALSE; |
4444 | 5959 else if (reg_prev_class() == this_class) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5960 result = FALSE; |
4444 | 5961 } |
5962 #endif | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5963 else if (!vim_iswordc_buf(curc, reg_buf) |
4503 | 5964 || (reginput > regline |
5965 && vim_iswordc_buf(reginput[-1], reg_buf))) | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5966 result = FALSE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5967 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5968 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5969 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5970 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5971 } |
4444 | 5972 break; |
5973 | |
5974 case NFA_EOW: | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5975 result = TRUE; |
4444 | 5976 if (reginput == regline) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5977 result = FALSE; |
4444 | 5978 #ifdef FEAT_MBYTE |
5979 else if (has_mbyte) | |
5980 { | |
5981 int this_class, prev_class; | |
5982 | |
5983 /* Get class of current and previous char (if it exists). */ | |
4503 | 5984 this_class = mb_get_class_buf(reginput, reg_buf); |
4444 | 5985 prev_class = reg_prev_class(); |
5986 if (this_class == prev_class | |
5987 || prev_class == 0 || prev_class == 1) | |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5988 result = FALSE; |
4444 | 5989 } |
5990 #endif | |
4503 | 5991 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
|
5992 || (reginput[0] != NUL |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5993 && vim_iswordc_buf(curc, reg_buf))) |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5994 result = FALSE; |
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5995 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5996 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5997 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5998 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5999 } |
4444 | 6000 break; |
6001 | |
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6002 case NFA_BOF: |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6003 if (reglnum == 0 && reginput == regline |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6004 && (!REG_MULTI || reg_firstlnum == 1)) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6005 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6006 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6007 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6008 } |
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6009 break; |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6010 |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6011 case NFA_EOF: |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6012 if (reglnum == reg_maxline && curc == NUL) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6013 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6014 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6015 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6016 } |
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6017 break; |
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6018 |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6019 #ifdef FEAT_MBYTE |
4444 | 6020 case NFA_COMPOSING: |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6021 { |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6022 int mc = curc; |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6023 int len = 0; |
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6024 nfa_state_T *end; |
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6025 nfa_state_T *sta; |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6026 int cchars[MAX_MCO]; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6027 int ccount = 0; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6028 int j; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6029 |
4444 | 6030 sta = t->state->out; |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6031 len = 0; |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6032 if (utf_iscomposing(sta->c)) |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6033 { |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6034 /* Only match composing character(s), ignore base |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6035 * character. Used for ".{composing}" and "{composing}" |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6036 * (no preceding character). */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6037 len += mb_char2len(mc); |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6038 } |
4551
f0c37f5cf4ea
updated for version 7.3.1023
Bram Moolenaar <bram@vim.org>
parents:
4549
diff
changeset
|
6039 if (ireg_icombine && len == 0) |
4444 | 6040 { |
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6041 /* If \Z was present, then ignore composing characters. |
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6042 * 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
|
6043 if (len == 0 && sta->c != curc) |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6044 result = FAIL; |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6045 else |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6046 result = OK; |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6047 while (sta->c != NFA_END_COMPOSING) |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6048 sta = sta->out; |
4444 | 6049 } |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6050 |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6051 /* Check base character matches first, unless ignored. */ |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6052 else if (len > 0 || mc == sta->c) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6053 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6054 if (len == 0) |
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6055 { |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6056 len += mb_char2len(mc); |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6057 sta = sta->out; |
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6058 } |
4444 | 6059 |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6060 /* 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
|
6061 * Get them into cchars[] first. */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6062 while (len < clen) |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6063 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6064 mc = mb_ptr2char(reginput + len); |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6065 cchars[ccount++] = mc; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6066 len += mb_char2len(mc); |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6067 if (ccount == MAX_MCO) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6068 break; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6069 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6070 |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6071 /* 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
|
6072 * 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
|
6073 * composing chars are matched. */ |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6074 result = OK; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6075 while (sta->c != NFA_END_COMPOSING) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6076 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6077 for (j = 0; j < ccount; ++j) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6078 if (cchars[j] == sta->c) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6079 break; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6080 if (j == ccount) |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6081 { |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6082 result = FAIL; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6083 break; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6084 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6085 sta = sta->out; |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6086 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6087 } |
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6088 else |
4525
36ddcf4cecbc
updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents:
4517
diff
changeset
|
6089 result = FAIL; |
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6090 |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6091 end = t->state->out1; /* NFA_END_COMPOSING */ |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6092 ADD_STATE_IF_MATCH(end); |
4444 | 6093 break; |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6094 } |
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6095 #endif |
4444 | 6096 |
6097 case NFA_NEWL: | |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6098 if (curc == NUL && !reg_line_lbr && REG_MULTI |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6099 && reglnum <= reg_maxline) |
4444 | 6100 { |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6101 go_to_nextline = TRUE; |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6102 /* 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
|
6103 * at the start of the next line. */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6104 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6105 add_off = -1; |
4444 | 6106 } |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6107 else if (curc == '\n' && reg_line_lbr) |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6108 { |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6109 /* 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
|
6110 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6111 add_off = 1; |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6112 } |
4444 | 6113 break; |
6114 | |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6115 case NFA_START_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6116 case NFA_START_NEG_COLL: |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6117 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6118 /* 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
|
6119 * 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
|
6120 nfa_state_T *state; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6121 int result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6122 int c1, c2; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6123 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6124 /* 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
|
6125 * as a separate state with an OR. */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6126 if (curc == NUL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6127 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6128 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6129 state = t->state->out; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6130 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
|
6131 for (;;) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6132 { |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6133 if (state->c == NFA_END_COLL) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6134 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6135 result = !result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6136 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6137 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6138 if (state->c == NFA_RANGE_MIN) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6139 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6140 c1 = state->val; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6141 state = state->out; /* advance to NFA_RANGE_MAX */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6142 c2 = state->val; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6143 #ifdef ENABLE_LOG |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6144 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
|
6145 curc, c1, c2); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6146 #endif |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6147 if (curc >= c1 && curc <= c2) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6148 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6149 result = result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6150 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6151 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6152 if (ireg_ic) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6153 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6154 int curc_low = MB_TOLOWER(curc); |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6155 int done = FALSE; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6156 |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6157 for ( ; c1 <= c2; ++c1) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6158 if (MB_TOLOWER(c1) == curc_low) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6159 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6160 result = result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6161 done = TRUE; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6162 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6163 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6164 if (done) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6165 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6166 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6167 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6168 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
|
6169 : (curc == state->c |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6170 || (ireg_ic && MB_TOLOWER(curc) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6171 == MB_TOLOWER(state->c)))) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6172 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6173 result = result_if_matched; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6174 break; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6175 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6176 state = state->out; |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6177 } |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6178 if (result) |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6179 { |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6180 /* 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
|
6181 * START points to the END state */ |
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6182 add_state = t->state->out1->out; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6183 add_off = clen; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6184 } |
4444 | 6185 break; |
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6186 } |
4444 | 6187 |
6188 case NFA_ANY: | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6189 /* 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
|
6190 if (curc > 0) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6191 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6192 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6193 add_off = clen; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6194 } |
4444 | 6195 break; |
6196 | |
5901 | 6197 case NFA_ANY_COMPOSING: |
6198 /* On a composing character skip over it. Otherwise do | |
6199 * nothing. Always matches. */ | |
6200 #ifdef FEAT_MBYTE | |
6201 if (enc_utf8 && utf_iscomposing(curc)) | |
6202 { | |
6203 add_off = clen; | |
6204 } | |
6205 else | |
6206 #endif | |
6207 { | |
6208 add_here = TRUE; | |
6209 add_off = 0; | |
6210 } | |
6211 add_state = t->state->out; | |
6212 break; | |
6213 | |
4444 | 6214 /* |
6215 * Character classes like \a for alpha, \d for digit etc. | |
6216 */ | |
6217 case NFA_IDENT: /* \i */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6218 result = vim_isIDc(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6219 ADD_STATE_IF_MATCH(t->state); |
4444 | 6220 break; |
6221 | |
6222 case NFA_SIDENT: /* \I */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6223 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6224 ADD_STATE_IF_MATCH(t->state); |
4444 | 6225 break; |
6226 | |
6227 case NFA_KWORD: /* \k */ | |
4503 | 6228 result = vim_iswordp_buf(reginput, reg_buf); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6229 ADD_STATE_IF_MATCH(t->state); |
4444 | 6230 break; |
6231 | |
6232 case NFA_SKWORD: /* \K */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6233 result = !VIM_ISDIGIT(curc) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6234 && vim_iswordp_buf(reginput, reg_buf); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6235 ADD_STATE_IF_MATCH(t->state); |
4444 | 6236 break; |
6237 | |
6238 case NFA_FNAME: /* \f */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6239 result = vim_isfilec(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6240 ADD_STATE_IF_MATCH(t->state); |
4444 | 6241 break; |
6242 | |
6243 case NFA_SFNAME: /* \F */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6244 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6245 ADD_STATE_IF_MATCH(t->state); |
4444 | 6246 break; |
6247 | |
6248 case NFA_PRINT: /* \p */ | |
5221
9982ec574beb
updated for version 7.4a.036
Bram Moolenaar <bram@vim.org>
parents:
5212
diff
changeset
|
6249 result = vim_isprintc(PTR2CHAR(reginput)); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6250 ADD_STATE_IF_MATCH(t->state); |
4444 | 6251 break; |
6252 | |
6253 case NFA_SPRINT: /* \P */ | |
5221
9982ec574beb
updated for version 7.4a.036
Bram Moolenaar <bram@vim.org>
parents:
5212
diff
changeset
|
6254 result = !VIM_ISDIGIT(curc) && vim_isprintc(PTR2CHAR(reginput)); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6255 ADD_STATE_IF_MATCH(t->state); |
4444 | 6256 break; |
6257 | |
6258 case NFA_WHITE: /* \s */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6259 result = vim_iswhite(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6260 ADD_STATE_IF_MATCH(t->state); |
4444 | 6261 break; |
6262 | |
6263 case NFA_NWHITE: /* \S */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6264 result = curc != NUL && !vim_iswhite(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6265 ADD_STATE_IF_MATCH(t->state); |
4444 | 6266 break; |
6267 | |
6268 case NFA_DIGIT: /* \d */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6269 result = ri_digit(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6270 ADD_STATE_IF_MATCH(t->state); |
4444 | 6271 break; |
6272 | |
6273 case NFA_NDIGIT: /* \D */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6274 result = curc != NUL && !ri_digit(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6275 ADD_STATE_IF_MATCH(t->state); |
4444 | 6276 break; |
6277 | |
6278 case NFA_HEX: /* \x */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6279 result = ri_hex(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6280 ADD_STATE_IF_MATCH(t->state); |
4444 | 6281 break; |
6282 | |
6283 case NFA_NHEX: /* \X */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6284 result = curc != NUL && !ri_hex(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6285 ADD_STATE_IF_MATCH(t->state); |
4444 | 6286 break; |
6287 | |
6288 case NFA_OCTAL: /* \o */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6289 result = ri_octal(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6290 ADD_STATE_IF_MATCH(t->state); |
4444 | 6291 break; |
6292 | |
6293 case NFA_NOCTAL: /* \O */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6294 result = curc != NUL && !ri_octal(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6295 ADD_STATE_IF_MATCH(t->state); |
4444 | 6296 break; |
6297 | |
6298 case NFA_WORD: /* \w */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6299 result = ri_word(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6300 ADD_STATE_IF_MATCH(t->state); |
4444 | 6301 break; |
6302 | |
6303 case NFA_NWORD: /* \W */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6304 result = curc != NUL && !ri_word(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6305 ADD_STATE_IF_MATCH(t->state); |
4444 | 6306 break; |
6307 | |
6308 case NFA_HEAD: /* \h */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6309 result = ri_head(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6310 ADD_STATE_IF_MATCH(t->state); |
4444 | 6311 break; |
6312 | |
6313 case NFA_NHEAD: /* \H */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6314 result = curc != NUL && !ri_head(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6315 ADD_STATE_IF_MATCH(t->state); |
4444 | 6316 break; |
6317 | |
6318 case NFA_ALPHA: /* \a */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6319 result = ri_alpha(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6320 ADD_STATE_IF_MATCH(t->state); |
4444 | 6321 break; |
6322 | |
6323 case NFA_NALPHA: /* \A */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6324 result = curc != NUL && !ri_alpha(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6325 ADD_STATE_IF_MATCH(t->state); |
4444 | 6326 break; |
6327 | |
6328 case NFA_LOWER: /* \l */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6329 result = ri_lower(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6330 ADD_STATE_IF_MATCH(t->state); |
4444 | 6331 break; |
6332 | |
6333 case NFA_NLOWER: /* \L */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6334 result = curc != NUL && !ri_lower(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6335 ADD_STATE_IF_MATCH(t->state); |
4444 | 6336 break; |
6337 | |
6338 case NFA_UPPER: /* \u */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6339 result = ri_upper(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6340 ADD_STATE_IF_MATCH(t->state); |
4444 | 6341 break; |
6342 | |
6343 case NFA_NUPPER: /* \U */ | |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6344 result = curc != NUL && !ri_upper(curc); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6345 ADD_STATE_IF_MATCH(t->state); |
4444 | 6346 break; |
6347 | |
5296 | 6348 case NFA_LOWER_IC: /* [a-z] */ |
6349 result = ri_lower(curc) || (ireg_ic && ri_upper(curc)); | |
6350 ADD_STATE_IF_MATCH(t->state); | |
6351 break; | |
6352 | |
6353 case NFA_NLOWER_IC: /* [^a-z] */ | |
6354 result = curc != NUL | |
6355 && !(ri_lower(curc) || (ireg_ic && ri_upper(curc))); | |
6356 ADD_STATE_IF_MATCH(t->state); | |
6357 break; | |
6358 | |
6359 case NFA_UPPER_IC: /* [A-Z] */ | |
6360 result = ri_upper(curc) || (ireg_ic && ri_lower(curc)); | |
6361 ADD_STATE_IF_MATCH(t->state); | |
6362 break; | |
6363 | |
6364 case NFA_NUPPER_IC: /* ^[A-Z] */ | |
6365 result = curc != NUL | |
6366 && !(ri_upper(curc) || (ireg_ic && ri_lower(curc))); | |
6367 ADD_STATE_IF_MATCH(t->state); | |
6368 break; | |
6369 | |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6370 case NFA_BACKREF1: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6371 case NFA_BACKREF2: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6372 case NFA_BACKREF3: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6373 case NFA_BACKREF4: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6374 case NFA_BACKREF5: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6375 case NFA_BACKREF6: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6376 case NFA_BACKREF7: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6377 case NFA_BACKREF8: |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6378 case NFA_BACKREF9: |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6379 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6380 case NFA_ZREF1: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6381 case NFA_ZREF2: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6382 case NFA_ZREF3: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6383 case NFA_ZREF4: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6384 case NFA_ZREF5: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6385 case NFA_ZREF6: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6386 case NFA_ZREF7: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6387 case NFA_ZREF8: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6388 case NFA_ZREF9: |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6389 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6390 /* \1 .. \9 \z1 .. \z9 */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6391 { |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6392 int subidx; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6393 int bytelen; |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6394 |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6395 if (t->state->c <= NFA_BACKREF9) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6396 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6397 subidx = t->state->c - NFA_BACKREF1 + 1; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6398 result = match_backref(&t->subs.norm, subidx, &bytelen); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6399 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6400 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6401 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6402 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6403 subidx = t->state->c - NFA_ZREF1 + 1; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6404 result = match_zref(subidx, &bytelen); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6405 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6406 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6407 |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6408 if (result) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6409 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6410 if (bytelen == 0) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6411 { |
4692
08fbb1ce1bc5
updated for version 7.3.1093
Bram Moolenaar <bram@vim.org>
parents:
4690
diff
changeset
|
6412 /* 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
|
6413 * used next */ |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6414 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6415 add_state = t->state->out->out; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6416 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6417 else if (bytelen <= clen) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6418 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6419 /* match current character, jump ahead to out of |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6420 * NFA_SKIP */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6421 add_state = t->state->out->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6422 add_off = clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6423 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6424 else |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6425 { |
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
6426 /* skip over the matched characters, set character |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6427 * count in NFA_SKIP */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6428 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6429 add_off = bytelen; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6430 add_count = bytelen - clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6431 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6432 } |
4482 | 6433 break; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6434 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6435 case NFA_SKIP: |
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
6436 /* character of previous matching \1 .. \9 or \@> */ |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6437 if (t->count - clen <= 0) |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6438 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6439 /* end of match, go to what follows */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6440 add_state = t->state->out; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6441 add_off = clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6442 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6443 else |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6444 { |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6445 /* add state again with decremented count */ |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6446 add_state = t->state; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6447 add_off = 0; |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6448 add_count = t->count - clen; |
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6449 } |
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6450 break; |
4482 | 6451 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6452 case NFA_LNUM: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6453 case NFA_LNUM_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6454 case NFA_LNUM_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6455 result = (REG_MULTI && |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6456 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
|
6457 (long_u)(reglnum + reg_firstlnum))); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6458 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6459 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6460 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6461 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6462 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6463 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6464 |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6465 case NFA_COL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6466 case NFA_COL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6467 case NFA_COL_LT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6468 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
|
6469 (long_u)(reginput - regline) + 1); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6470 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6471 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6472 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6473 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6474 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6475 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6476 |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6477 case NFA_VCOL: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6478 case NFA_VCOL_GT: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6479 case NFA_VCOL_LT: |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6480 { |
6499 | 6481 int op = t->state->c - NFA_VCOL; |
6482 colnr_T col = (colnr_T)(reginput - regline); | |
6510 | 6483 win_T *wp = reg_win == NULL ? curwin : reg_win; |
6499 | 6484 |
6485 /* Bail out quickly when there can't be a match, avoid the | |
6486 * overhead of win_linetabsize() on long lines. */ | |
6653 | 6487 if (op != 1 && col > t->state->val |
6488 #ifdef FEAT_MBYTE | |
6489 * (has_mbyte ? MB_MAXBYTES : 1) | |
6490 #endif | |
6491 ) | |
6499 | 6492 break; |
6510 | 6493 result = FALSE; |
6494 if (op == 1 && col - 1 > t->state->val && col > 100) | |
6495 { | |
6496 int ts = wp->w_buffer->b_p_ts; | |
6497 | |
6498 /* Guess that a character won't use more columns than | |
6499 * 'tabstop', with a minimum of 4. */ | |
6500 if (ts < 4) | |
6501 ts = 4; | |
6502 result = col > t->state->val * ts; | |
6503 } | |
6504 if (!result) | |
6505 result = nfa_re_num_cmp(t->state->val, op, | |
6506 (long_u)win_linetabsize(wp, regline, col) + 1); | |
6499 | 6507 if (result) |
6508 { | |
6509 add_here = TRUE; | |
6510 add_state = t->state->out; | |
6511 } | |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6512 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6513 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6514 |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6515 case NFA_MARK: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6516 case NFA_MARK_GT: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6517 case NFA_MARK_LT: |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6518 { |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6519 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
|
6520 |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6521 /* Compare the mark position to the match position. */ |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6522 result = (pos != NULL /* mark doesn't exist */ |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6523 && 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
|
6524 && (pos->lnum == reglnum + reg_firstlnum |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6525 ? (pos->col == (colnr_T)(reginput - regline) |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6526 ? t->state->c == NFA_MARK |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6527 : (pos->col < (colnr_T)(reginput - regline) |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6528 ? t->state->c == NFA_MARK_GT |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6529 : t->state->c == NFA_MARK_LT)) |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6530 : (pos->lnum < reglnum + reg_firstlnum |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6531 ? t->state->c == NFA_MARK_GT |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6532 : t->state->c == NFA_MARK_LT))); |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6533 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6534 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6535 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6536 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6537 } |
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6538 break; |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6539 } |
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6540 |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6541 case NFA_CURSOR: |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6542 result = (reg_win != NULL |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6543 && (reglnum + reg_firstlnum == reg_win->w_cursor.lnum) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6544 && ((colnr_T)(reginput - regline) |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6545 == reg_win->w_cursor.col)); |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6546 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6547 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6548 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6549 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6550 } |
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6551 break; |
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6552 |
4756
96f3348f9f11
updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents:
4750
diff
changeset
|
6553 case NFA_VISUAL: |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6554 result = reg_match_visual(); |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6555 if (result) |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6556 { |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6557 add_here = TRUE; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6558 add_state = t->state->out; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6559 } |
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6560 break; |
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6561 |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6562 case NFA_MOPEN1: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6563 case NFA_MOPEN2: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6564 case NFA_MOPEN3: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6565 case NFA_MOPEN4: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6566 case NFA_MOPEN5: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6567 case NFA_MOPEN6: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6568 case NFA_MOPEN7: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6569 case NFA_MOPEN8: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6570 case NFA_MOPEN9: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6571 #ifdef FEAT_SYN_HL |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6572 case NFA_ZOPEN: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6573 case NFA_ZOPEN1: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6574 case NFA_ZOPEN2: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6575 case NFA_ZOPEN3: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6576 case NFA_ZOPEN4: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6577 case NFA_ZOPEN5: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6578 case NFA_ZOPEN6: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6579 case NFA_ZOPEN7: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6580 case NFA_ZOPEN8: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6581 case NFA_ZOPEN9: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6582 #endif |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6583 case NFA_NOPEN: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6584 case NFA_ZSTART: |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6585 /* These states are only added to be able to bail out when |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6586 * they are added again, nothing is to be done. */ |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6587 break; |
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6588 |
4444 | 6589 default: /* regular character */ |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6590 { |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6591 int c = t->state->c; |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6592 |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6593 #ifdef DEBUG |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6594 if (c < 0) |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6595 EMSGN("INTERNAL: Negative state char: %ld", c); |
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6596 #endif |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6597 result = (c == curc); |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6598 |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6599 if (!result && ireg_ic) |
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6600 result = MB_TOLOWER(c) == MB_TOLOWER(curc); |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6601 #ifdef FEAT_MBYTE |
5901 | 6602 /* If ireg_icombine is not set only skip over the character |
6603 * itself. When it is set skip over composing characters. */ | |
6604 if (result && enc_utf8 && !ireg_icombine) | |
6787 | 6605 clen = utf_ptr2len(reginput); |
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6606 #endif |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6607 ADD_STATE_IF_MATCH(t->state); |
4444 | 6608 break; |
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6609 } |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6610 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6611 } /* switch (t->state->c) */ |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6612 |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6613 if (add_state != NULL) |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6614 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6615 nfa_pim_T *pim; |
5401 | 6616 nfa_pim_T pim_copy; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6617 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6618 if (t->pim.result == NFA_PIM_UNUSED) |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6619 pim = NULL; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6620 else |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6621 pim = &t->pim; |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6622 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6623 /* 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
|
6624 * 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
|
6625 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
|
6626 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6627 if (pim->result == NFA_PIM_TODO) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6628 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6629 #ifdef ENABLE_LOG |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6630 fprintf(log_fd, "\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6631 fprintf(log_fd, "==================================\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6632 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6633 fprintf(log_fd, "\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6634 #endif |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6635 result = recursive_regmatch(pim->state, pim, |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6636 prog, submatch, m, &listids); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6637 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
|
6638 /* 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
|
6639 * FALSE */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6640 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
|
6641 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6642 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6643 == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6644 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6645 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6646 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6647 /* Copy submatch info from the recursive call */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6648 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
|
6649 #ifdef FEAT_SYN_HL |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6650 if (nfa_has_zsubexpr) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6651 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
|
6652 #endif |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6653 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6654 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6655 else |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6656 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6657 result = (pim->result == NFA_PIM_MATCH); |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6658 #ifdef ENABLE_LOG |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6659 fprintf(log_fd, "\n"); |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6660 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
|
6661 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
|
6662 fprintf(log_fd, "\n"); |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6663 #endif |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6664 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6665 |
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6666 /* 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
|
6667 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
|
6668 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6669 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6670 == NFA_START_INVISIBLE_BEFORE_NEG |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6671 || pim->state->c |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6672 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6673 { |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6674 /* Copy submatch info from the recursive call */ |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6675 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
|
6676 #ifdef FEAT_SYN_HL |
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6677 if (nfa_has_zsubexpr) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6678 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
|
6679 #endif |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6680 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6681 else |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6682 /* 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
|
6683 continue; |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6684 |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6685 /* 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
|
6686 * following states. */ |
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6687 pim = NULL; |
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6688 } |
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6689 |
5401 | 6690 /* If "pim" points into l->t it will become invalid when |
6691 * adding the state causes the list to be reallocated. Make a | |
6692 * local copy to avoid that. */ | |
6693 if (pim == &t->pim) | |
6694 { | |
6695 copy_pim(&pim_copy, pim); | |
6696 pim = &pim_copy; | |
6697 } | |
6698 | |
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6699 if (add_here) |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6700 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
|
6701 else |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6702 { |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6703 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
|
6704 if (add_count > 0) |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6705 nextlist->t[nextlist->n - 1].count = add_count; |
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6706 } |
4444 | 6707 } |
6708 | |
6709 } /* for (thislist = thislist; thislist->state; thislist++) */ | |
6710 | |
4557
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6711 /* 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
|
6712 * start state to the list of states. |
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6713 * 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
|
6714 * matters! |
888c12c899e5
updated for version 7.3.1026
Bram Moolenaar <bram@vim.org>
parents:
4555
diff
changeset
|
6715 * 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
|
6716 * 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
|
6717 * 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
|
6718 * 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
|
6719 if (nfa_match == FALSE |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6720 && ((toplevel |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6721 && reglnum == 0 |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6722 && clen != 0 |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6723 && (ireg_maxcol == 0 |
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6724 || (colnr_T)(reginput - regline) < ireg_maxcol)) |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6725 || (nfa_endp != NULL |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6726 && (REG_MULTI |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6727 ? (reglnum < nfa_endp->se_u.pos.lnum |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6728 || (reglnum == nfa_endp->se_u.pos.lnum |
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6729 && (int)(reginput - regline) |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6730 < nfa_endp->se_u.pos.col)) |
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6731 : reginput < nfa_endp->se_u.ptr)))) |
4444 | 6732 { |
6733 #ifdef ENABLE_LOG | |
6734 fprintf(log_fd, "(---) STARTSTATE\n"); | |
6735 #endif | |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6736 /* 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
|
6737 * the first MOPEN. */ |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6738 if (toplevel) |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6739 { |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6740 int add = TRUE; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6741 int c; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6742 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6743 if (prog->regstart != NUL && clen != 0) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6744 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6745 if (nextlist->n == 0) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6746 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6747 colnr_T col = (colnr_T)(reginput - regline) + clen; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6748 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6749 /* 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
|
6750 * character that must appear at the start. */ |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6751 if (skip_to_start(prog->regstart, &col) == FAIL) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6752 break; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6753 #ifdef ENABLE_LOG |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6754 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
|
6755 col - ((colnr_T)(reginput - regline) + clen)); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6756 #endif |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6757 reginput = regline + col - clen; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6758 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6759 else |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6760 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6761 /* Checking if the required start character matches is |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6762 * 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
|
6763 c = PTR2CHAR(reginput + clen); |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6764 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
|
6765 != MB_TOLOWER(prog->regstart))) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6766 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6767 #ifdef ENABLE_LOG |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6768 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
|
6769 #endif |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6770 add = FALSE; |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6771 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6772 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6773 } |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6774 |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6775 if (add) |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6776 { |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6777 if (REG_MULTI) |
6547 | 6778 m->norm.list.multi[0].start_col = |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6779 (colnr_T)(reginput - regline) + clen; |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6780 else |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6781 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
|
6782 addstate(nextlist, start->out, m, NULL, clen); |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6783 } |
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6784 } |
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6785 else |
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6786 addstate(nextlist, start, m, NULL, clen); |
4444 | 6787 } |
6788 | |
6789 #ifdef ENABLE_LOG | |
6790 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
|
6791 { |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6792 int i; |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6793 |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6794 for (i = 0; i < thislist->n; i++) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6795 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
|
6796 } |
4444 | 6797 fprintf(log_fd, "\n"); |
6798 #endif | |
6799 | |
6800 nextchar: | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6801 /* 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
|
6802 * finish. */ |
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6803 if (clen != 0) |
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6804 reginput += clen; |
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6805 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
|
6806 && reglnum < nfa_endp->se_u.pos.lnum)) |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6807 reg_nextline(); |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6808 else |
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6809 break; |
6499 | 6810 |
6811 /* Allow interrupting with CTRL-C. */ | |
6573 | 6812 line_breakcheck(); |
6499 | 6813 if (got_int) |
6814 break; | |
6573 | 6815 #ifdef FEAT_RELTIME |
6816 /* Check for timeout once in a twenty times to avoid overhead. */ | |
6817 if (nfa_time_limit != NULL && ++nfa_time_count == 20) | |
6818 { | |
6819 nfa_time_count = 0; | |
6820 if (profile_passed_limit(nfa_time_limit)) | |
6821 break; | |
6822 } | |
6823 #endif | |
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6824 } |
4444 | 6825 |
6826 #ifdef ENABLE_LOG | |
6827 if (log_fd != stderr) | |
6828 fclose(log_fd); | |
6829 log_fd = NULL; | |
6830 #endif | |
6831 | |
6832 theend: | |
6833 /* Free memory */ | |
6834 vim_free(list[0].t); | |
6835 vim_free(list[1].t); | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6836 vim_free(listids); |
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6837 #undef ADD_STATE_IF_MATCH |
4460 | 6838 #ifdef NFA_REGEXP_DEBUG_LOG |
4444 | 6839 fclose(debug); |
6840 #endif | |
6841 | |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6842 return nfa_match; |
4444 | 6843 } |
6844 | |
6845 /* | |
6846 * Try match of "prog" with at regline["col"]. | |
6392 | 6847 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
4444 | 6848 */ |
6849 static long | |
6573 | 6850 nfa_regtry(prog, col, tm) |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6851 nfa_regprog_T *prog; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6852 colnr_T col; |
6592 | 6853 proftime_T *tm UNUSED; /* timeout limit or NULL */ |
4444 | 6854 { |
6855 int i; | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6856 regsubs_T subs, m; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6857 nfa_state_T *start = prog->start; |
6328 | 6858 int result; |
4444 | 6859 #ifdef ENABLE_LOG |
6860 FILE *f; | |
6861 #endif | |
6862 | |
6863 reginput = regline + col; | |
6573 | 6864 #ifdef FEAT_RELTIME |
6865 nfa_time_limit = tm; | |
6866 nfa_time_count = 0; | |
6867 #endif | |
4444 | 6868 |
6869 #ifdef ENABLE_LOG | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6870 f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
4444 | 6871 if (f != NULL) |
6872 { | |
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6873 fprintf(f, "\n\n\t=======================================================\n"); |
4444 | 6874 #ifdef DEBUG |
6875 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr); | |
6876 #endif | |
6877 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
|
6878 fprintf(f, "\t=======================================================\n\n"); |
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
6879 nfa_print_state(f, start); |
4444 | 6880 fprintf(f, "\n\n"); |
6881 fclose(f); | |
6882 } | |
6883 else | |
6884 EMSG(_("Could not open temporary log file for writing ")); | |
6885 #endif | |
6886 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6887 clear_sub(&subs.norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6888 clear_sub(&m.norm); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6889 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6890 clear_sub(&subs.synt); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6891 clear_sub(&m.synt); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6892 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6893 |
6328 | 6894 result = nfa_regmatch(prog, start, &subs, &m); |
6895 if (result == FALSE) | |
4444 | 6896 return 0; |
6328 | 6897 else if (result == NFA_TOO_EXPENSIVE) |
6898 return result; | |
4444 | 6899 |
6900 cleanup_subexpr(); | |
6901 if (REG_MULTI) | |
6902 { | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6903 for (i = 0; i < subs.norm.in_use; i++) |
4444 | 6904 { |
6547 | 6905 reg_startpos[i].lnum = subs.norm.list.multi[i].start_lnum; |
6906 reg_startpos[i].col = subs.norm.list.multi[i].start_col; | |
6907 | |
6908 reg_endpos[i].lnum = subs.norm.list.multi[i].end_lnum; | |
6909 reg_endpos[i].col = subs.norm.list.multi[i].end_col; | |
4444 | 6910 } |
6911 | |
6912 if (reg_startpos[0].lnum < 0) | |
6913 { | |
6914 reg_startpos[0].lnum = 0; | |
6915 reg_startpos[0].col = col; | |
6916 } | |
6917 if (reg_endpos[0].lnum < 0) | |
6918 { | |
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
6919 /* pattern has a \ze but it didn't match, use current end */ |
4444 | 6920 reg_endpos[0].lnum = reglnum; |
6921 reg_endpos[0].col = (int)(reginput - regline); | |
6922 } | |
6923 else | |
6924 /* Use line number of "\ze". */ | |
6925 reglnum = reg_endpos[0].lnum; | |
6926 } | |
6927 else | |
6928 { | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6929 for (i = 0; i < subs.norm.in_use; i++) |
4444 | 6930 { |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6931 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
|
6932 reg_endp[i] = subs.norm.list.line[i].end; |
4444 | 6933 } |
6934 | |
6935 if (reg_startp[0] == NULL) | |
6936 reg_startp[0] = regline + col; | |
6937 if (reg_endp[0] == NULL) | |
6938 reg_endp[0] = reginput; | |
6939 } | |
6940 | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6941 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6942 /* 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
|
6943 unref_extmatch(re_extmatch_out); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6944 re_extmatch_out = NULL; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6945 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6946 if (prog->reghasz == REX_SET) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6947 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6948 cleanup_zsubexpr(); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6949 re_extmatch_out = make_extmatch(); |
7258
7245d8635ac7
commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997
Christian Brabandt <cb@256bit.org>
parents:
7152
diff
changeset
|
6950 /* Loop over \z1, \z2, etc. There is no \z0. */ |
7245d8635ac7
commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997
Christian Brabandt <cb@256bit.org>
parents:
7152
diff
changeset
|
6951 for (i = 1; i < subs.synt.in_use; i++) |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6952 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6953 if (REG_MULTI) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6954 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6955 struct multipos *mpos = &subs.synt.list.multi[i]; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6956 |
5820 | 6957 /* Only accept single line matches that are valid. */ |
6547 | 6958 if (mpos->start_lnum >= 0 |
6959 && mpos->start_lnum == mpos->end_lnum | |
6960 && mpos->end_col >= mpos->start_col) | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6961 re_extmatch_out->matches[i] = |
6547 | 6962 vim_strnsave(reg_getline(mpos->start_lnum) |
6963 + mpos->start_col, | |
6964 mpos->end_col - mpos->start_col); | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6965 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6966 else |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6967 { |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6968 struct linepos *lpos = &subs.synt.list.line[i]; |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6969 |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6970 if (lpos->start != NULL && lpos->end != NULL) |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6971 re_extmatch_out->matches[i] = |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6972 vim_strnsave(lpos->start, |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6973 (int)(lpos->end - lpos->start)); |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6974 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6975 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6976 } |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6977 #endif |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6978 |
4444 | 6979 return 1 + reglnum; |
6980 } | |
6981 | |
6982 /* | |
6983 * Match a regexp against a string ("line" points to the string) or multiple | |
6984 * lines ("line" is NULL, use reg_getline()). | |
6985 * | |
6392 | 6986 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
4444 | 6987 */ |
6988 static long | |
6573 | 6989 nfa_regexec_both(line, startcol, tm) |
4444 | 6990 char_u *line; |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6991 colnr_T startcol; /* column to start looking for match */ |
6573 | 6992 proftime_T *tm; /* timeout limit or NULL */ |
4444 | 6993 { |
6994 nfa_regprog_T *prog; | |
6995 long retval = 0L; | |
6996 int i; | |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6997 colnr_T col = startcol; |
4444 | 6998 |
6999 if (REG_MULTI) | |
7000 { | |
7001 prog = (nfa_regprog_T *)reg_mmatch->regprog; | |
7002 line = reg_getline((linenr_T)0); /* relative to the cursor */ | |
7003 reg_startpos = reg_mmatch->startpos; | |
7004 reg_endpos = reg_mmatch->endpos; | |
7005 } | |
7006 else | |
7007 { | |
7008 prog = (nfa_regprog_T *)reg_match->regprog; | |
7009 reg_startp = reg_match->startp; | |
7010 reg_endp = reg_match->endp; | |
7011 } | |
7012 | |
7013 /* Be paranoid... */ | |
7014 if (prog == NULL || line == NULL) | |
7015 { | |
7016 EMSG(_(e_null)); | |
7017 goto theend; | |
7018 } | |
7019 | |
7020 /* If pattern contains "\c" or "\C": overrule value of ireg_ic */ | |
7021 if (prog->regflags & RF_ICASE) | |
7022 ireg_ic = TRUE; | |
7023 else if (prog->regflags & RF_NOICASE) | |
7024 ireg_ic = FALSE; | |
7025 | |
7026 #ifdef FEAT_MBYTE | |
7027 /* If pattern contains "\Z" overrule value of ireg_icombine */ | |
7028 if (prog->regflags & RF_ICOMBINE) | |
7029 ireg_icombine = TRUE; | |
7030 #endif | |
7031 | |
7032 regline = line; | |
7033 reglnum = 0; /* relative to line */ | |
7034 | |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
7035 nfa_has_zend = prog->has_zend; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
7036 nfa_has_backref = prog->has_backref; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
7037 nfa_nsubexpr = prog->nsubexp; |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7038 nfa_listid = 1; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7039 nfa_alt_listid = 2; |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7040 nfa_regengine.expr = prog->pattern; |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
7041 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7042 if (prog->reganch && col > 0) |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7043 return 0L; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7044 |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7045 need_clear_subexpr = TRUE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7046 #ifdef FEAT_SYN_HL |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7047 /* Clear the external match subpointers if necessary. */ |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7048 if (prog->reghasz == REX_SET) |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7049 { |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7050 nfa_has_zsubexpr = TRUE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7051 need_clear_zsubexpr = TRUE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7052 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7053 else |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7054 nfa_has_zsubexpr = FALSE; |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7055 #endif |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7056 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7057 if (prog->regstart != NUL) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7058 { |
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7059 /* 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
|
7060 * When there is none there is no match. */ |
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7061 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
|
7062 return 0L; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7063 |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7064 /* 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
|
7065 * 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
|
7066 if (prog->match_text != NULL |
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7067 #ifdef FEAT_MBYTE |
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7068 && !ireg_icombine |
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7069 #endif |
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7070 ) |
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7071 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
|
7072 } |
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7073 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7074 /* 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
|
7075 if (ireg_maxcol > 0 && col >= ireg_maxcol) |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7076 goto theend; |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7077 |
4444 | 7078 nstate = prog->nstate; |
7079 for (i = 0; i < nstate; ++i) | |
7080 { | |
7081 prog->state[i].id = i; | |
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7082 prog->state[i].lastlist[0] = 0; |
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7083 prog->state[i].lastlist[1] = 0; |
4444 | 7084 } |
7085 | |
6573 | 7086 retval = nfa_regtry(prog, col, tm); |
4444 | 7087 |
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7088 nfa_regengine.expr = NULL; |
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7089 |
4444 | 7090 theend: |
7091 return retval; | |
7092 } | |
7093 | |
7094 /* | |
7095 * Compile a regular expression into internal code for the NFA matcher. | |
7096 * Returns the program in allocated space. Returns NULL for an error. | |
7097 */ | |
7098 static regprog_T * | |
7099 nfa_regcomp(expr, re_flags) | |
7100 char_u *expr; | |
7101 int re_flags; | |
7102 { | |
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7103 nfa_regprog_T *prog = NULL; |
4458 | 7104 size_t prog_size; |
4444 | 7105 int *postfix; |
7106 | |
7107 if (expr == NULL) | |
7108 return NULL; | |
7109 | |
7110 nfa_regengine.expr = expr; | |
6533 | 7111 nfa_re_flags = re_flags; |
4444 | 7112 |
7113 init_class_tab(); | |
7114 | |
7115 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
7116 return NULL; | |
7117 | |
7118 /* 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
|
7119 * (and count its size). */ |
4444 | 7120 postfix = re2post(); |
7121 if (postfix == NULL) | |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7122 { |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7123 /* TODO: only give this error for debugging? */ |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7124 if (post_ptr >= post_end) |
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7125 EMSGN("Internal error: estimated max number of states insufficient: %ld", post_end - post_start); |
4444 | 7126 goto fail; /* Cascaded (syntax?) error */ |
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7127 } |
4444 | 7128 |
7129 /* | |
7130 * In order to build the NFA, we parse the input regexp twice: | |
7131 * 1. first pass to count size (so we can allocate space) | |
7132 * 2. second to emit code | |
7133 */ | |
7134 #ifdef ENABLE_LOG | |
7135 { | |
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
7136 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
4444 | 7137 |
7138 if (f != NULL) | |
7139 { | |
7140 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\" ... hold on !\n", expr); | |
7141 fclose(f); | |
7142 } | |
7143 } | |
7144 #endif | |
7145 | |
7146 /* | |
7147 * PASS 1 | |
7148 * Count number of NFA states in "nstate". Do not build the NFA. | |
7149 */ | |
7150 post2nfa(postfix, post_ptr, TRUE); | |
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7151 |
4837
05b8436873d4
updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents:
4821
diff
changeset
|
7152 /* 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
|
7153 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
|
7154 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE); |
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7155 if (prog == NULL) |
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7156 goto fail; |
4444 | 7157 state_ptr = prog->state; |
7158 | |
7159 /* | |
7160 * PASS 2 | |
7161 * Build the NFA | |
7162 */ | |
7163 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
7164 if (prog->start == NULL) | |
7165 goto fail; | |
7166 | |
7167 prog->regflags = regflags; | |
7168 prog->engine = &nfa_regengine; | |
7169 prog->nstate = nstate; | |
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
7170 prog->has_zend = nfa_has_zend; |
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
7171 prog->has_backref = nfa_has_backref; |
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
7172 prog->nsubexp = regnpar; |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7173 |
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7174 nfa_postprocess(prog); |
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7175 |
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7176 prog->reganch = nfa_get_reganch(prog->start, 0); |
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7177 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
|
7178 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
|
7179 |
4444 | 7180 #ifdef ENABLE_LOG |
7181 nfa_postfix_dump(expr, OK); | |
7182 nfa_dump(prog); | |
7183 #endif | |
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7184 #ifdef FEAT_SYN_HL |
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7185 /* 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
|
7186 prog->reghasz = re_has_z; |
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7187 #endif |
4805
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7188 prog->pattern = vim_strsave(expr); |
4690
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7189 nfa_regengine.expr = NULL; |
4444 | 7190 |
7191 out: | |
7192 vim_free(post_start); | |
7193 post_start = post_ptr = post_end = NULL; | |
7194 state_ptr = NULL; | |
7195 return (regprog_T *)prog; | |
7196 | |
7197 fail: | |
7198 vim_free(prog); | |
7199 prog = NULL; | |
7200 #ifdef ENABLE_LOG | |
7201 nfa_postfix_dump(expr, FAIL); | |
7202 #endif | |
7203 nfa_regengine.expr = NULL; | |
7204 goto out; | |
7205 } | |
7206 | |
4805
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7207 /* |
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7208 * Free a compiled regexp program, returned by nfa_regcomp(). |
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7209 */ |
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|
7210 static void |
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|
7211 nfa_regfree(prog) |
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|
7212 regprog_T *prog; |
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|
7213 { |
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|
7214 if (prog != NULL) |
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|
7215 { |
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7216 vim_free(((nfa_regprog_T *)prog)->match_text); |
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|
7217 vim_free(((nfa_regprog_T *)prog)->pattern); |
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|
7218 vim_free(prog); |
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|
7219 } |
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|
7220 } |
4444 | 7221 |
7222 /* | |
7223 * Match a regexp against a string. | |
7224 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
7225 * Uses curbuf for line count and 'iskeyword'. | |
5838 | 7226 * If "line_lbr" is TRUE consider a "\n" in "line" to be a line break. |
4444 | 7227 * |
6392 | 7228 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
4444 | 7229 */ |
7230 static int | |
5838 | 7231 nfa_regexec_nl(rmp, line, col, line_lbr) |
4444 | 7232 regmatch_T *rmp; |
7233 char_u *line; /* string to match against */ | |
7234 colnr_T col; /* column to start looking for match */ | |
5838 | 7235 int line_lbr; |
4444 | 7236 { |
7237 reg_match = rmp; | |
7238 reg_mmatch = NULL; | |
7239 reg_maxline = 0; | |
5838 | 7240 reg_line_lbr = line_lbr; |
4444 | 7241 reg_buf = curbuf; |
7242 reg_win = NULL; | |
7243 ireg_ic = rmp->rm_ic; | |
7244 #ifdef FEAT_MBYTE | |
7245 ireg_icombine = FALSE; | |
7246 #endif | |
7247 ireg_maxcol = 0; | |
6573 | 7248 return nfa_regexec_both(line, col, NULL); |
4444 | 7249 } |
7250 | |
7251 | |
7252 /* | |
7253 * Match a regexp against multiple lines. | |
7254 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
7255 * Uses curbuf for line count and 'iskeyword'. | |
7256 * | |
6392 | 7257 * Return <= 0 if there is no match. Return number of lines contained in the |
4444 | 7258 * match otherwise. |
7259 * | |
7260 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
7261 * | |
7262 * ! Also NOTE : match may actually be in another line. e.g.: | |
7263 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
7264 * | |
7265 * +-------------------------+ | |
7266 * |a | | |
7267 * |b | | |
7268 * |c | | |
7269 * | | | |
7270 * +-------------------------+ | |
7271 * | |
7272 * then nfa_regexec_multi() returns 3. while the original | |
7273 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
7274 * | |
7275 * FIXME if this behavior is not compatible. | |
7276 */ | |
7277 static long | |
7278 nfa_regexec_multi(rmp, win, buf, lnum, col, tm) | |
7279 regmmatch_T *rmp; | |
7280 win_T *win; /* window in which to search or NULL */ | |
7281 buf_T *buf; /* buffer in which to search */ | |
7282 linenr_T lnum; /* nr of line to start looking for match */ | |
7283 colnr_T col; /* column to start looking for match */ | |
6573 | 7284 proftime_T *tm; /* timeout limit or NULL */ |
4444 | 7285 { |
7286 reg_match = NULL; | |
7287 reg_mmatch = rmp; | |
7288 reg_buf = buf; | |
7289 reg_win = win; | |
7290 reg_firstlnum = lnum; | |
7291 reg_maxline = reg_buf->b_ml.ml_line_count - lnum; | |
7292 reg_line_lbr = FALSE; | |
7293 ireg_ic = rmp->rmm_ic; | |
7294 #ifdef FEAT_MBYTE | |
7295 ireg_icombine = FALSE; | |
7296 #endif | |
7297 ireg_maxcol = rmp->rmm_maxcol; | |
7298 | |
6573 | 7299 return nfa_regexec_both(NULL, col, tm); |
4444 | 7300 } |
7301 | |
7302 #ifdef DEBUG | |
7303 # undef ENABLE_LOG | |
7304 #endif |