Mercurial > vim
annotate src/regexp_nfa.c @ 6887:2b7e36955265 v7.4.763
patch 7.4.763
Problem: Building with Lua 5.1 doesn't work.
Solution: Define lua_replace and lua_remove. (KF Leong)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sat, 27 Jun 2015 18:36:16 +0200 |
| parents | 5caf46fd6e24 |
| children | 94b179585851 |
| rev | line source |
|---|---|
| 4444 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * NFA regular expression implementation. | |
| 4 * | |
| 5 * This file is included in "regexp.c". | |
| 6 */ | |
| 7 | |
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8 /* |
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9 * Logging of NFA engine. |
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10 * |
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11 * The NFA engine can write four log files: |
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12 * - Error log: Contains NFA engine's fatal errors. |
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13 * - Dump log: Contains compiled NFA state machine's information. |
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14 * - Run log: Contains information of matching procedure. |
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15 * - Debug log: Contains detailed information of matching procedure. Can be |
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16 * disabled by undefining NFA_REGEXP_DEBUG_LOG. |
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17 * The first one can also be used without debug mode. |
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18 * The last three are enabled when compiled as debug mode and individually |
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19 * disabled by commenting them out. |
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20 * The log files can get quite big! |
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21 * Do disable all of this when compiling Vim for debugging, undefine DEBUG in |
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22 * regexp.c |
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23 */ |
| 4444 | 24 #ifdef DEBUG |
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25 # define NFA_REGEXP_ERROR_LOG "nfa_regexp_error.log" |
| 4444 | 26 # define ENABLE_LOG |
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27 # define NFA_REGEXP_DUMP_LOG "nfa_regexp_dump.log" |
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28 # define NFA_REGEXP_RUN_LOG "nfa_regexp_run.log" |
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29 # define NFA_REGEXP_DEBUG_LOG "nfa_regexp_debug.log" |
| 4444 | 30 #endif |
| 31 | |
| 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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4671
diff
changeset
|
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. |
|
4651
f10f63aaec5c
updated for version 7.3.1073
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diff
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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. */ | |
|
4651
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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; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
360 nfa_has_backref = FALSE; |
| 4444 | 361 |
|
4686
8db697ae406a
updated for version 7.3.1090
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4682
diff
changeset
|
362 /* shared with BT engine */ |
| 4444 | 363 regcomp_start(expr, re_flags); |
| 364 | |
| 365 return OK; | |
| 366 } | |
| 367 | |
| 368 /* | |
|
4772
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
369 * Figure out if the NFA state list starts with an anchor, must match at start |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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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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diff
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|
372 static int |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
373 nfa_get_reganch(start, depth) |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
374 nfa_state_T *start; |
|
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diff
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|
375 int depth; |
|
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updated for version 7.3.1133
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diff
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|
376 { |
|
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updated for version 7.3.1133
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diff
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|
377 nfa_state_T *p = start; |
|
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updated for version 7.3.1133
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|
378 |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
379 if (depth > 4) |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
380 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
381 |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
382 while (p != NULL) |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
383 { |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
384 switch (p->c) |
|
03375ccf28a2
updated for version 7.3.1133
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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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diff
changeset
|
387 case NFA_BOF: |
|
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updated for version 7.3.1133
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diff
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|
388 return 1; /* yes! */ |
|
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updated for version 7.3.1133
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|
389 |
|
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updated for version 7.3.1133
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diff
changeset
|
390 case NFA_ZSTART: |
|
03375ccf28a2
updated for version 7.3.1133
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changeset
|
391 case NFA_ZEND: |
|
03375ccf28a2
updated for version 7.3.1133
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changeset
|
392 case NFA_CURSOR: |
|
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updated for version 7.3.1133
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|
393 case NFA_VISUAL: |
|
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updated for version 7.3.1133
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|
394 |
|
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updated for version 7.3.1133
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changeset
|
395 case NFA_MOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
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changeset
|
396 case NFA_MOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
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|
397 case NFA_MOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
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|
398 case NFA_MOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
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changeset
|
399 case NFA_MOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
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changeset
|
400 case NFA_MOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
401 case NFA_MOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
402 case NFA_MOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
403 case NFA_MOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
404 case NFA_MOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
405 case NFA_NOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
406 #ifdef FEAT_SYN_HL |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
407 case NFA_ZOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
408 case NFA_ZOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
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|
409 case NFA_ZOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
410 case NFA_ZOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
411 case NFA_ZOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
412 case NFA_ZOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
changeset
|
413 case NFA_ZOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
414 case NFA_ZOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
415 case NFA_ZOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
416 case NFA_ZOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
417 #endif |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
418 p = p->out; |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
419 break; |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
changeset
|
420 |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
changeset
|
421 case NFA_SPLIT: |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
4770
diff
changeset
|
422 return nfa_get_reganch(p->out, depth + 1) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
423 && nfa_get_reganch(p->out1, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
4770
diff
changeset
|
424 |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
425 default: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
426 return 0; /* noooo */ |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
changeset
|
427 } |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
changeset
|
428 } |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
changeset
|
429 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
430 } |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
changeset
|
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
changeset
|
433 * Figure out if the NFA state list starts with a character which must match |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
434 * at start of the match. |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
435 */ |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
436 static int |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
4770
diff
changeset
|
437 nfa_get_regstart(start, depth) |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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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
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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
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diff
changeset
|
443 if (depth > 4) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
444 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
445 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
446 while (p != NULL) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
447 { |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
448 switch (p->c) |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
449 { |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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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
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diff
changeset
|
452 case NFA_BOF: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
453 case NFA_BOW: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
454 case NFA_EOW: |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
4770
diff
changeset
|
455 case NFA_ZSTART: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
456 case NFA_ZEND: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
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>
parents:
4770
diff
changeset
|
461 case NFA_LNUM_LT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
462 case NFA_COL: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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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>
parents:
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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>
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diff
changeset
|
473 case NFA_MOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
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>
parents:
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diff
changeset
|
476 case NFA_MOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
477 case NFA_MOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
478 case NFA_MOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
479 case NFA_MOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
480 case NFA_MOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
481 case NFA_MOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
482 case NFA_NOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
483 #ifdef FEAT_SYN_HL |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
484 case NFA_ZOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
485 case NFA_ZOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
486 case NFA_ZOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
487 case NFA_ZOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
488 case NFA_ZOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
489 case NFA_ZOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
490 case NFA_ZOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
491 case NFA_ZOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
492 case NFA_ZOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
493 case NFA_ZOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
494 #endif |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
495 p = p->out; |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
496 break; |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
497 |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
498 case NFA_SPLIT: |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
499 { |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
500 int c1 = nfa_get_regstart(p->out, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
501 int c2 = nfa_get_regstart(p->out1, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
4770
diff
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|
502 |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
4770
diff
changeset
|
503 if (c1 == c2) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
504 return c1; /* yes! */ |
|
03375ccf28a2
updated for version 7.3.1133
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|
505 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
506 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
507 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
508 default: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
509 if (p->c > 0) |
|
4772
03375ccf28a2
updated for version 7.3.1133
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diff
changeset
|
510 return p->c; /* yes! */ |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
511 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
512 } |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
513 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
514 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
515 } |
|
03375ccf28a2
updated for version 7.3.1133
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diff
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|
516 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
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|
517 /* |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
518 * Figure out if the NFA state list contains just literal text and nothing |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
519 * else. If so return a string in allocated memory with what must match after |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
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|
520 * regstart. Otherwise return NULL. |
|
4805
66803af09906
updated for version 7.3.1149
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diff
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|
521 */ |
|
66803af09906
updated for version 7.3.1149
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diff
changeset
|
522 static char_u * |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
523 nfa_get_match_text(start) |
|
66803af09906
updated for version 7.3.1149
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diff
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|
524 nfa_state_T *start; |
|
66803af09906
updated for version 7.3.1149
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diff
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|
525 { |
|
66803af09906
updated for version 7.3.1149
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diff
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|
526 nfa_state_T *p = start; |
|
66803af09906
updated for version 7.3.1149
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diff
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|
527 int len = 0; |
|
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
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|
528 char_u *ret; |
|
66803af09906
updated for version 7.3.1149
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diff
changeset
|
529 char_u *s; |
|
66803af09906
updated for version 7.3.1149
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parents:
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diff
changeset
|
530 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
531 if (p->c != NFA_MOPEN) |
|
66803af09906
updated for version 7.3.1149
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parents:
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diff
changeset
|
532 return NULL; /* just in case */ |
|
66803af09906
updated for version 7.3.1149
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parents:
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diff
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|
533 p = p->out; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
534 while (p->c > 0) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
535 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
536 len += MB_CHAR2LEN(p->c); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
537 p = p->out; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
538 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
539 if (p->c != NFA_MCLOSE || p->out->c != NFA_MATCH) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
540 return NULL; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
541 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
542 ret = alloc(len); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
543 if (ret != NULL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
544 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
545 len = 0; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
546 p = start->out->out; /* skip first char, it goes into regstart */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
547 s = ret; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
548 while (p->c > 0) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
549 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
550 #ifdef FEAT_MBYTE |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
551 if (has_mbyte) |
|
66803af09906
updated for version 7.3.1149
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parents:
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diff
changeset
|
552 s += (*mb_char2bytes)(p->c, s); |
|
66803af09906
updated for version 7.3.1149
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parents:
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diff
changeset
|
553 else |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
554 #endif |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
555 *s++ = p->c; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
556 p = p->out; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
557 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
558 *s = NUL; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
559 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
560 return ret; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
561 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
562 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
563 /* |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
564 * Allocate more space for post_start. Called when |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
565 * running above the estimated number of states. |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
566 */ |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
567 static int |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
568 realloc_post_list() |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
569 { |
|
4667
9e7ef781d494
updated for version 7.3.1081
Bram Moolenaar <bram@vim.org>
parents:
4661
diff
changeset
|
570 int nstate_max = (int)(post_end - post_start); |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
571 int new_max = nstate_max + 1000; |
|
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
572 int *new_start; |
|
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
573 int *old_start; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
574 |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
575 new_start = (int *)lalloc(new_max * sizeof(int), TRUE); |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
576 if (new_start == NULL) |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
577 return FAIL; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
578 mch_memmove(new_start, post_start, nstate_max * sizeof(int)); |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
579 old_start = post_start; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
580 post_start = new_start; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
581 post_ptr = new_start + (post_ptr - old_start); |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
582 post_end = post_start + new_max; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
583 vim_free(old_start); |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
584 return OK; |
|
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 |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
587 /* |
| 4444 | 588 * Search between "start" and "end" and try to recognize a |
| 589 * character class in expanded form. For example [0-9]. | |
| 590 * On success, return the id the character class to be emitted. | |
| 591 * On failure, return 0 (=FAIL) | |
| 592 * Start points to the first char of the range, while end should point | |
| 593 * to the closing brace. | |
| 5296 | 594 * Keep in mind that 'ignorecase' applies at execution time, thus [a-z] may |
| 595 * need to be interpreted as [a-zA-Z]. | |
| 4444 | 596 */ |
| 597 static int | |
| 598 nfa_recognize_char_class(start, end, extra_newl) | |
| 599 char_u *start; | |
| 600 char_u *end; | |
| 601 int extra_newl; | |
| 602 { | |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
603 # define CLASS_not 0x80 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
604 # define CLASS_af 0x40 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
605 # define CLASS_AF 0x20 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
606 # define CLASS_az 0x10 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
607 # define CLASS_AZ 0x08 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
608 # define CLASS_o7 0x04 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
609 # define CLASS_o9 0x02 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
610 # define CLASS_underscore 0x01 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
611 |
|
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
612 int newl = FALSE; |
| 4444 | 613 char_u *p; |
|
4728
43de4ebbe7ad
updated for version 7.3.1111
Bram Moolenaar <bram@vim.org>
parents:
4726
diff
changeset
|
614 int config = 0; |
| 4444 | 615 |
| 616 if (extra_newl == TRUE) | |
| 617 newl = TRUE; | |
| 618 | |
| 619 if (*end != ']') | |
| 620 return FAIL; | |
| 621 p = start; | |
| 622 if (*p == '^') | |
| 623 { | |
|
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diff
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|
624 config |= CLASS_not; |
|
4720
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updated for version 7.3.1107
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diff
changeset
|
625 p++; |
| 4444 | 626 } |
| 627 | |
| 628 while (p < end) | |
| 629 { | |
| 630 if (p + 2 < end && *(p + 1) == '-') | |
| 631 { | |
| 632 switch (*p) | |
| 633 { | |
| 634 case '0': | |
| 635 if (*(p + 2) == '9') | |
| 636 { | |
|
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|
637 config |= CLASS_o9; |
| 4444 | 638 break; |
| 639 } | |
| 640 else | |
| 641 if (*(p + 2) == '7') | |
| 642 { | |
|
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diff
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|
643 config |= CLASS_o7; |
| 4444 | 644 break; |
| 645 } | |
| 646 case 'a': | |
| 647 if (*(p + 2) == 'z') | |
| 648 { | |
|
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diff
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|
649 config |= CLASS_az; |
| 4444 | 650 break; |
| 651 } | |
| 652 else | |
| 653 if (*(p + 2) == 'f') | |
| 654 { | |
|
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diff
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|
655 config |= CLASS_af; |
| 4444 | 656 break; |
| 657 } | |
| 658 case 'A': | |
| 659 if (*(p + 2) == 'Z') | |
| 660 { | |
|
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|
661 config |= CLASS_AZ; |
| 4444 | 662 break; |
| 663 } | |
| 664 else | |
| 665 if (*(p + 2) == 'F') | |
| 666 { | |
|
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|
667 config |= CLASS_AF; |
| 4444 | 668 break; |
| 669 } | |
| 670 /* FALLTHROUGH */ | |
| 671 default: | |
| 672 return FAIL; | |
| 673 } | |
| 674 p += 3; | |
| 675 } | |
| 676 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
| 677 { | |
| 678 newl = TRUE; | |
| 679 p += 2; | |
| 680 } | |
| 681 else if (*p == '_') | |
| 682 { | |
|
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|
683 config |= CLASS_underscore; |
| 4444 | 684 p ++; |
| 685 } | |
| 686 else if (*p == '\n') | |
| 687 { | |
| 688 newl = TRUE; | |
| 689 p ++; | |
| 690 } | |
| 691 else | |
| 692 return FAIL; | |
| 693 } /* while (p < end) */ | |
| 694 | |
| 695 if (p != end) | |
| 696 return FAIL; | |
| 697 | |
| 698 if (newl == TRUE) | |
| 5296 | 699 extra_newl = NFA_ADD_NL; |
|
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changeset
|
700 |
|
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|
701 switch (config) |
| 4444 | 702 { |
|
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|
703 case CLASS_o9: |
|
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|
704 return extra_newl + NFA_DIGIT; |
|
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|
705 case CLASS_not | CLASS_o9: |
|
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|
706 return extra_newl + NFA_NDIGIT; |
|
43de4ebbe7ad
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|
707 case CLASS_af | CLASS_AF | CLASS_o9: |
|
43de4ebbe7ad
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|
708 return extra_newl + NFA_HEX; |
|
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|
709 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9: |
|
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|
710 return extra_newl + NFA_NHEX; |
|
43de4ebbe7ad
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|
711 case CLASS_o7: |
|
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|
712 return extra_newl + NFA_OCTAL; |
|
43de4ebbe7ad
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|
713 case CLASS_not | CLASS_o7: |
|
43de4ebbe7ad
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|
714 return extra_newl + NFA_NOCTAL; |
|
43de4ebbe7ad
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|
715 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
|
43de4ebbe7ad
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|
716 return extra_newl + NFA_WORD; |
|
43de4ebbe7ad
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changeset
|
717 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
|
43de4ebbe7ad
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|
718 return extra_newl + NFA_NWORD; |
|
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|
719 case CLASS_az | CLASS_AZ | CLASS_underscore: |
|
43de4ebbe7ad
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|
720 return extra_newl + NFA_HEAD; |
|
43de4ebbe7ad
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|
721 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore: |
|
43de4ebbe7ad
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|
722 return extra_newl + NFA_NHEAD; |
|
43de4ebbe7ad
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diff
changeset
|
723 case CLASS_az | CLASS_AZ: |
|
43de4ebbe7ad
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changeset
|
724 return extra_newl + NFA_ALPHA; |
|
43de4ebbe7ad
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changeset
|
725 case CLASS_not | CLASS_az | CLASS_AZ: |
|
43de4ebbe7ad
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diff
changeset
|
726 return extra_newl + NFA_NALPHA; |
|
43de4ebbe7ad
updated for version 7.3.1111
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diff
changeset
|
727 case CLASS_az: |
| 5296 | 728 return extra_newl + NFA_LOWER_IC; |
|
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changeset
|
729 case CLASS_not | CLASS_az: |
| 5296 | 730 return extra_newl + NFA_NLOWER_IC; |
|
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|
731 case CLASS_AZ: |
| 5296 | 732 return extra_newl + NFA_UPPER_IC; |
|
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diff
changeset
|
733 case CLASS_not | CLASS_AZ: |
| 5296 | 734 return extra_newl + NFA_NUPPER_IC; |
| 4444 | 735 } |
| 736 return FAIL; | |
| 737 } | |
| 738 | |
| 739 /* | |
| 740 * Produce the bytes for equivalence class "c". | |
| 741 * Currently only handles latin1, latin9 and utf-8. | |
| 742 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
| 743 * equivalent to 'a OR b OR c' | |
| 744 * | |
| 745 * NOTE! When changing this function, also update reg_equi_class() | |
| 746 */ | |
| 747 static int | |
|
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diff
changeset
|
748 nfa_emit_equi_class(c) |
| 4444 | 749 int c; |
| 750 { | |
| 5351 | 751 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT); |
| 752 #ifdef FEAT_MBYTE | |
| 753 # define EMITMBC(c) EMIT(c); EMIT(NFA_CONCAT); | |
| 754 #else | |
| 755 # define EMITMBC(c) | |
| 756 #endif | |
| 4444 | 757 |
| 758 #ifdef FEAT_MBYTE | |
| 759 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 | |
| 760 || STRCMP(p_enc, "iso-8859-15") == 0) | |
| 761 #endif | |
| 762 { | |
| 763 switch (c) | |
| 764 { | |
|
4781
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4772
diff
changeset
|
765 case 'A': case 0300: case 0301: case 0302: |
|
c02c7df9bdc9
updated for version 7.3.1137
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diff
changeset
|
766 case 0303: case 0304: case 0305: |
| 5351 | 767 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104) CASEMBC(0x1cd) |
| 768 CASEMBC(0x1de) CASEMBC(0x1e0) CASEMBC(0x1ea2) | |
| 769 EMIT2('A'); EMIT2(0300); EMIT2(0301); EMIT2(0302); | |
| 770 EMIT2(0303); EMIT2(0304); EMIT2(0305); | |
| 771 EMITMBC(0x100) EMITMBC(0x102) EMITMBC(0x104) | |
| 772 EMITMBC(0x1cd) EMITMBC(0x1de) EMITMBC(0x1e0) | |
| 773 EMITMBC(0x1ea2) | |
| 774 return OK; | |
| 775 | |
| 776 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06) | |
| 777 EMIT2('B'); EMITMBC(0x1e02) EMITMBC(0x1e06) | |
| 4444 | 778 return OK; |
| 779 | |
|
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4772
diff
changeset
|
780 case 'C': case 0307: |
| 5351 | 781 CASEMBC(0x106) CASEMBC(0x108) CASEMBC(0x10a) CASEMBC(0x10c) |
| 782 EMIT2('C'); EMIT2(0307); EMITMBC(0x106) EMITMBC(0x108) | |
| 783 EMITMBC(0x10a) EMITMBC(0x10c) | |
| 784 return OK; | |
| 785 | |
| 786 case 'D': CASEMBC(0x10e) CASEMBC(0x110) CASEMBC(0x1e0a) | |
| 787 CASEMBC(0x1e0e) CASEMBC(0x1e10) | |
| 788 EMIT2('D'); EMITMBC(0x10e) EMITMBC(0x110) EMITMBC(0x1e0a) | |
| 789 EMITMBC(0x1e0e) EMITMBC(0x1e10) | |
| 4444 | 790 return OK; |
| 791 | |
|
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updated for version 7.3.1137
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4772
diff
changeset
|
792 case 'E': case 0310: case 0311: case 0312: case 0313: |
| 5351 | 793 CASEMBC(0x112) CASEMBC(0x114) CASEMBC(0x116) CASEMBC(0x118) |
| 794 CASEMBC(0x11a) CASEMBC(0x1eba) CASEMBC(0x1ebc) | |
| 795 EMIT2('E'); EMIT2(0310); EMIT2(0311); EMIT2(0312); | |
| 796 EMIT2(0313); | |
| 797 EMITMBC(0x112) EMITMBC(0x114) EMITMBC(0x116) | |
| 798 EMITMBC(0x118) EMITMBC(0x11a) EMITMBC(0x1eba) | |
| 799 EMITMBC(0x1ebc) | |
| 800 return OK; | |
| 801 | |
| 802 case 'F': CASEMBC(0x1e1e) | |
| 803 EMIT2('F'); EMITMBC(0x1e1e) | |
| 804 return OK; | |
| 805 | |
| 806 case 'G': CASEMBC(0x11c) CASEMBC(0x11e) CASEMBC(0x120) | |
| 807 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6) CASEMBC(0x1f4) | |
| 808 CASEMBC(0x1e20) | |
| 809 EMIT2('G'); EMITMBC(0x11c) EMITMBC(0x11e) EMITMBC(0x120) | |
| 810 EMITMBC(0x122) EMITMBC(0x1e4) EMITMBC(0x1e6) | |
| 811 EMITMBC(0x1f4) EMITMBC(0x1e20) | |
| 812 return OK; | |
| 813 | |
| 814 case 'H': CASEMBC(0x124) CASEMBC(0x126) CASEMBC(0x1e22) | |
| 815 CASEMBC(0x1e26) CASEMBC(0x1e28) | |
| 816 EMIT2('H'); EMITMBC(0x124) EMITMBC(0x126) EMITMBC(0x1e22) | |
| 817 EMITMBC(0x1e26) EMITMBC(0x1e28) | |
| 4444 | 818 return OK; |
| 819 | |
|
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4772
diff
changeset
|
820 case 'I': case 0314: case 0315: case 0316: case 0317: |
| 5351 | 821 CASEMBC(0x128) CASEMBC(0x12a) CASEMBC(0x12c) CASEMBC(0x12e) |
| 822 CASEMBC(0x130) CASEMBC(0x1cf) CASEMBC(0x1ec8) | |
| 823 EMIT2('I'); EMIT2(0314); EMIT2(0315); EMIT2(0316); | |
| 824 EMIT2(0317); EMITMBC(0x128) EMITMBC(0x12a) | |
| 825 EMITMBC(0x12c) EMITMBC(0x12e) EMITMBC(0x130) | |
| 826 EMITMBC(0x1cf) EMITMBC(0x1ec8) | |
| 827 return OK; | |
| 828 | |
| 829 case 'J': CASEMBC(0x134) | |
| 830 EMIT2('J'); EMITMBC(0x134) | |
| 831 return OK; | |
| 832 | |
| 833 case 'K': CASEMBC(0x136) CASEMBC(0x1e8) CASEMBC(0x1e30) | |
| 834 CASEMBC(0x1e34) | |
| 835 EMIT2('K'); EMITMBC(0x136) EMITMBC(0x1e8) EMITMBC(0x1e30) | |
| 836 EMITMBC(0x1e34) | |
| 837 return OK; | |
| 838 | |
| 839 case 'L': CASEMBC(0x139) CASEMBC(0x13b) CASEMBC(0x13d) | |
| 840 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a) | |
| 841 EMIT2('L'); EMITMBC(0x139) EMITMBC(0x13b) EMITMBC(0x13d) | |
| 842 EMITMBC(0x13f) EMITMBC(0x141) EMITMBC(0x1e3a) | |
| 843 return OK; | |
| 844 | |
| 845 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40) | |
| 846 EMIT2('M'); EMITMBC(0x1e3e) EMITMBC(0x1e40) | |
| 4444 | 847 return OK; |
| 848 | |
|
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4772
diff
changeset
|
849 case 'N': case 0321: |
| 5351 | 850 CASEMBC(0x143) CASEMBC(0x145) CASEMBC(0x147) CASEMBC(0x1e44) |
| 851 CASEMBC(0x1e48) | |
| 852 EMIT2('N'); EMIT2(0321); EMITMBC(0x143) EMITMBC(0x145) | |
| 853 EMITMBC(0x147) EMITMBC(0x1e44) EMITMBC(0x1e48) | |
| 4444 | 854 return OK; |
| 855 | |
|
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4772
diff
changeset
|
856 case 'O': case 0322: case 0323: case 0324: case 0325: |
| 5351 | 857 case 0326: case 0330: |
| 858 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150) CASEMBC(0x1a0) | |
| 859 CASEMBC(0x1d1) CASEMBC(0x1ea) CASEMBC(0x1ec) CASEMBC(0x1ece) | |
| 860 EMIT2('O'); EMIT2(0322); EMIT2(0323); EMIT2(0324); | |
| 861 EMIT2(0325); EMIT2(0326); EMIT2(0330); | |
| 862 EMITMBC(0x14c) EMITMBC(0x14e) EMITMBC(0x150) | |
| 863 EMITMBC(0x1a0) EMITMBC(0x1d1) EMITMBC(0x1ea) | |
| 864 EMITMBC(0x1ec) EMITMBC(0x1ece) | |
| 865 return OK; | |
| 866 | |
| 867 case 'P': case 0x1e54: case 0x1e56: | |
| 868 EMIT2('P'); EMITMBC(0x1e54) EMITMBC(0x1e56) | |
| 869 return OK; | |
| 870 | |
| 871 case 'R': CASEMBC(0x154) CASEMBC(0x156) CASEMBC(0x158) | |
| 872 CASEMBC(0x1e58) CASEMBC(0x1e5e) | |
| 873 EMIT2('R'); EMITMBC(0x154) EMITMBC(0x156) EMITMBC(0x158) | |
| 874 EMITMBC(0x1e58) EMITMBC(0x1e5e) | |
| 875 return OK; | |
| 876 | |
| 877 case 'S': CASEMBC(0x15a) CASEMBC(0x15c) CASEMBC(0x15e) | |
| 878 CASEMBC(0x160) CASEMBC(0x1e60) | |
| 879 EMIT2('S'); EMITMBC(0x15a) EMITMBC(0x15c) EMITMBC(0x15e) | |
| 880 EMITMBC(0x160) EMITMBC(0x1e60) | |
| 881 return OK; | |
| 882 | |
| 883 case 'T': CASEMBC(0x162) CASEMBC(0x164) CASEMBC(0x166) | |
| 884 CASEMBC(0x1e6a) CASEMBC(0x1e6e) | |
| 885 EMIT2('T'); EMITMBC(0x162) EMITMBC(0x164) EMITMBC(0x166) | |
| 886 EMITMBC(0x1e6a) EMITMBC(0x1e6e) | |
| 4444 | 887 return OK; |
| 888 | |
|
4781
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updated for version 7.3.1137
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parents:
4772
diff
changeset
|
889 case 'U': case 0331: case 0332: case 0333: case 0334: |
| 5351 | 890 CASEMBC(0x168) CASEMBC(0x16a) CASEMBC(0x16c) CASEMBC(0x16e) |
| 891 CASEMBC(0x170) CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3) | |
| 892 CASEMBC(0x1ee6) | |
| 893 EMIT2('U'); EMIT2(0331); EMIT2(0332); EMIT2(0333); | |
| 894 EMIT2(0334); EMITMBC(0x168) EMITMBC(0x16a) | |
| 895 EMITMBC(0x16c) EMITMBC(0x16e) EMITMBC(0x170) | |
| 896 EMITMBC(0x172) EMITMBC(0x1af) EMITMBC(0x1d3) | |
| 897 EMITMBC(0x1ee6) | |
| 898 return OK; | |
| 899 | |
| 900 case 'V': CASEMBC(0x1e7c) | |
| 901 EMIT2('V'); EMITMBC(0x1e7c) | |
| 902 return OK; | |
| 903 | |
| 904 case 'W': CASEMBC(0x174) CASEMBC(0x1e80) CASEMBC(0x1e82) | |
| 905 CASEMBC(0x1e84) CASEMBC(0x1e86) | |
| 906 EMIT2('W'); EMITMBC(0x174) EMITMBC(0x1e80) EMITMBC(0x1e82) | |
| 907 EMITMBC(0x1e84) EMITMBC(0x1e86) | |
| 908 return OK; | |
| 909 | |
| 910 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c) | |
| 911 EMIT2('X'); EMITMBC(0x1e8a) EMITMBC(0x1e8c) | |
| 4444 | 912 return OK; |
| 913 | |
|
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914 case 'Y': case 0335: |
| 5351 | 915 CASEMBC(0x176) CASEMBC(0x178) CASEMBC(0x1e8e) CASEMBC(0x1ef2) |
| 916 CASEMBC(0x1ef6) CASEMBC(0x1ef8) | |
| 917 EMIT2('Y'); EMIT2(0335); EMITMBC(0x176) EMITMBC(0x178) | |
| 918 EMITMBC(0x1e8e) EMITMBC(0x1ef2) EMITMBC(0x1ef6) | |
| 919 EMITMBC(0x1ef8) | |
| 920 return OK; | |
| 921 | |
| 922 case 'Z': CASEMBC(0x179) CASEMBC(0x17b) CASEMBC(0x17d) | |
| 923 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94) | |
| 924 EMIT2('Z'); EMITMBC(0x179) EMITMBC(0x17b) EMITMBC(0x17d) | |
| 925 EMITMBC(0x1b5) EMITMBC(0x1e90) EMITMBC(0x1e94) | |
| 4444 | 926 return OK; |
| 927 | |
|
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928 case 'a': case 0340: case 0341: case 0342: |
|
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929 case 0343: case 0344: case 0345: |
| 5351 | 930 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105) CASEMBC(0x1ce) |
| 931 CASEMBC(0x1df) CASEMBC(0x1e1) CASEMBC(0x1ea3) | |
| 932 EMIT2('a'); EMIT2(0340); EMIT2(0341); EMIT2(0342); | |
| 933 EMIT2(0343); EMIT2(0344); EMIT2(0345); | |
| 934 EMITMBC(0x101) EMITMBC(0x103) EMITMBC(0x105) | |
| 935 EMITMBC(0x1ce) EMITMBC(0x1df) EMITMBC(0x1e1) | |
| 936 EMITMBC(0x1ea3) | |
| 937 return OK; | |
| 938 | |
| 939 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07) | |
| 940 EMIT2('b'); EMITMBC(0x1e03) EMITMBC(0x1e07) | |
| 4444 | 941 return OK; |
| 942 | |
|
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943 case 'c': case 0347: |
| 5351 | 944 CASEMBC(0x107) CASEMBC(0x109) CASEMBC(0x10b) CASEMBC(0x10d) |
| 945 EMIT2('c'); EMIT2(0347); EMITMBC(0x107) EMITMBC(0x109) | |
| 946 EMITMBC(0x10b) EMITMBC(0x10d) | |
| 947 return OK; | |
| 948 | |
| 949 case 'd': CASEMBC(0x10f) CASEMBC(0x111) CASEMBC(0x1d0b) | |
| 950 CASEMBC(0x1e11) | |
| 951 EMIT2('d'); EMITMBC(0x10f) EMITMBC(0x111) EMITMBC(0x1e0b) | |
| 952 EMITMBC(0x01e0f) EMITMBC(0x1e11) | |
| 4444 | 953 return OK; |
| 954 | |
|
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955 case 'e': case 0350: case 0351: case 0352: case 0353: |
| 5351 | 956 CASEMBC(0x113) CASEMBC(0x115) CASEMBC(0x117) CASEMBC(0x119) |
| 957 CASEMBC(0x11b) CASEMBC(0x1ebb) CASEMBC(0x1ebd) | |
| 958 EMIT2('e'); EMIT2(0350); EMIT2(0351); EMIT2(0352); | |
| 959 EMIT2(0353); EMITMBC(0x113) EMITMBC(0x115) | |
| 960 EMITMBC(0x117) EMITMBC(0x119) EMITMBC(0x11b) | |
| 961 EMITMBC(0x1ebb) EMITMBC(0x1ebd) | |
| 962 return OK; | |
| 963 | |
| 964 case 'f': CASEMBC(0x1e1f) | |
| 965 EMIT2('f'); EMITMBC(0x1e1f) | |
| 966 return OK; | |
| 967 | |
| 968 case 'g': CASEMBC(0x11d) CASEMBC(0x11f) CASEMBC(0x121) | |
| 969 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7) CASEMBC(0x1f5) | |
| 970 CASEMBC(0x1e21) | |
| 971 EMIT2('g'); EMITMBC(0x11d) EMITMBC(0x11f) EMITMBC(0x121) | |
| 972 EMITMBC(0x123) EMITMBC(0x1e5) EMITMBC(0x1e7) | |
| 973 EMITMBC(0x1f5) EMITMBC(0x1e21) | |
| 974 return OK; | |
| 975 | |
| 976 case 'h': CASEMBC(0x125) CASEMBC(0x127) CASEMBC(0x1e23) | |
| 977 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96) | |
| 978 EMIT2('h'); EMITMBC(0x125) EMITMBC(0x127) EMITMBC(0x1e23) | |
| 979 EMITMBC(0x1e27) EMITMBC(0x1e29) EMITMBC(0x1e96) | |
| 4444 | 980 return OK; |
| 981 | |
|
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982 case 'i': case 0354: case 0355: case 0356: case 0357: |
| 5351 | 983 CASEMBC(0x129) CASEMBC(0x12b) CASEMBC(0x12d) CASEMBC(0x12f) |
| 984 CASEMBC(0x1d0) CASEMBC(0x1ec9) | |
| 985 EMIT2('i'); EMIT2(0354); EMIT2(0355); EMIT2(0356); | |
| 986 EMIT2(0357); EMITMBC(0x129) EMITMBC(0x12b) | |
| 987 EMITMBC(0x12d) EMITMBC(0x12f) EMITMBC(0x1d0) | |
| 988 EMITMBC(0x1ec9) | |
| 989 return OK; | |
| 990 | |
| 991 case 'j': CASEMBC(0x135) CASEMBC(0x1f0) | |
| 992 EMIT2('j'); EMITMBC(0x135) EMITMBC(0x1f0) | |
| 993 return OK; | |
| 994 | |
| 995 case 'k': CASEMBC(0x137) CASEMBC(0x1e9) CASEMBC(0x1e31) | |
| 996 CASEMBC(0x1e35) | |
| 997 EMIT2('k'); EMITMBC(0x137) EMITMBC(0x1e9) EMITMBC(0x1e31) | |
| 998 EMITMBC(0x1e35) | |
| 999 return OK; | |
| 1000 | |
| 1001 case 'l': CASEMBC(0x13a) CASEMBC(0x13c) CASEMBC(0x13e) | |
| 1002 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b) | |
| 1003 EMIT2('l'); EMITMBC(0x13a) EMITMBC(0x13c) EMITMBC(0x13e) | |
| 1004 EMITMBC(0x140) EMITMBC(0x142) EMITMBC(0x1e3b) | |
| 1005 return OK; | |
| 1006 | |
| 1007 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41) | |
| 1008 EMIT2('m'); EMITMBC(0x1e3f) EMITMBC(0x1e41) | |
| 4444 | 1009 return OK; |
| 1010 | |
|
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1011 case 'n': case 0361: |
| 5351 | 1012 CASEMBC(0x144) CASEMBC(0x146) CASEMBC(0x148) CASEMBC(0x149) |
| 1013 CASEMBC(0x1e45) CASEMBC(0x1e49) | |
| 1014 EMIT2('n'); EMIT2(0361); EMITMBC(0x144) EMITMBC(0x146) | |
| 1015 EMITMBC(0x148) EMITMBC(0x149) EMITMBC(0x1e45) | |
| 1016 EMITMBC(0x1e49) | |
| 4444 | 1017 return OK; |
| 1018 | |
|
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1019 case 'o': case 0362: case 0363: case 0364: case 0365: |
| 5351 | 1020 case 0366: case 0370: |
| 1021 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151) CASEMBC(0x1a1) | |
| 1022 CASEMBC(0x1d2) CASEMBC(0x1eb) CASEMBC(0x1ed) CASEMBC(0x1ecf) | |
| 1023 EMIT2('o'); EMIT2(0362); EMIT2(0363); EMIT2(0364); | |
| 1024 EMIT2(0365); EMIT2(0366); EMIT2(0370); | |
| 1025 EMITMBC(0x14d) EMITMBC(0x14f) EMITMBC(0x151) | |
| 1026 EMITMBC(0x1a1) EMITMBC(0x1d2) EMITMBC(0x1eb) | |
| 1027 EMITMBC(0x1ed) EMITMBC(0x1ecf) | |
| 1028 return OK; | |
| 1029 | |
| 1030 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57) | |
| 1031 EMIT2('p'); EMITMBC(0x1e55) EMITMBC(0x1e57) | |
| 1032 return OK; | |
| 1033 | |
| 1034 case 'r': CASEMBC(0x155) CASEMBC(0x157) CASEMBC(0x159) | |
| 1035 CASEMBC(0x1e59) CASEMBC(0x1e5f) | |
| 1036 EMIT2('r'); EMITMBC(0x155) EMITMBC(0x157) EMITMBC(0x159) | |
| 1037 EMITMBC(0x1e59) EMITMBC(0x1e5f) | |
| 1038 return OK; | |
| 1039 | |
| 1040 case 's': CASEMBC(0x15b) CASEMBC(0x15d) CASEMBC(0x15f) | |
| 1041 CASEMBC(0x161) CASEMBC(0x1e61) | |
| 1042 EMIT2('s'); EMITMBC(0x15b) EMITMBC(0x15d) EMITMBC(0x15f) | |
| 1043 EMITMBC(0x161) EMITMBC(0x1e61) | |
| 1044 return OK; | |
| 1045 | |
| 1046 case 't': CASEMBC(0x163) CASEMBC(0x165) CASEMBC(0x167) | |
| 1047 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97) | |
| 1048 EMIT2('t'); EMITMBC(0x163) EMITMBC(0x165) EMITMBC(0x167) | |
| 1049 EMITMBC(0x1e6b) EMITMBC(0x1e6f) EMITMBC(0x1e97) | |
| 4444 | 1050 return OK; |
| 1051 | |
|
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1052 case 'u': case 0371: case 0372: case 0373: case 0374: |
| 5351 | 1053 CASEMBC(0x169) CASEMBC(0x16b) CASEMBC(0x16d) CASEMBC(0x16f) |
| 1054 CASEMBC(0x171) CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4) | |
| 1055 CASEMBC(0x1ee7) | |
| 1056 EMIT2('u'); EMIT2(0371); EMIT2(0372); EMIT2(0373); | |
| 1057 EMIT2(0374); EMITMBC(0x169) EMITMBC(0x16b) | |
| 1058 EMITMBC(0x16d) EMITMBC(0x16f) EMITMBC(0x171) | |
| 1059 EMITMBC(0x173) EMITMBC(0x1b0) EMITMBC(0x1d4) | |
| 1060 EMITMBC(0x1ee7) | |
| 1061 return OK; | |
| 1062 | |
| 1063 case 'v': CASEMBC(0x1e7d) | |
| 1064 EMIT2('v'); EMITMBC(0x1e7d) | |
| 1065 return OK; | |
| 1066 | |
| 1067 case 'w': CASEMBC(0x175) CASEMBC(0x1e81) CASEMBC(0x1e83) | |
| 1068 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98) | |
| 1069 EMIT2('w'); EMITMBC(0x175) EMITMBC(0x1e81) EMITMBC(0x1e83) | |
| 1070 EMITMBC(0x1e85) EMITMBC(0x1e87) EMITMBC(0x1e98) | |
| 1071 return OK; | |
| 1072 | |
| 1073 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d) | |
| 1074 EMIT2('x'); EMITMBC(0x1e8b) EMITMBC(0x1e8d) | |
| 4444 | 1075 return OK; |
| 1076 | |
|
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1077 case 'y': case 0375: case 0377: |
| 5351 | 1078 CASEMBC(0x177) CASEMBC(0x1e8f) CASEMBC(0x1e99) |
| 1079 CASEMBC(0x1ef3) CASEMBC(0x1ef7) CASEMBC(0x1ef9) | |
| 1080 EMIT2('y'); EMIT2(0375); EMIT2(0377); EMITMBC(0x177) | |
| 1081 EMITMBC(0x1e8f) EMITMBC(0x1e99) EMITMBC(0x1ef3) | |
| 1082 EMITMBC(0x1ef7) EMITMBC(0x1ef9) | |
| 4444 | 1083 return OK; |
| 1084 | |
| 5351 | 1085 case 'z': CASEMBC(0x17a) CASEMBC(0x17c) CASEMBC(0x17e) |
| 1086 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95) | |
| 1087 EMIT2('z'); EMITMBC(0x17a) EMITMBC(0x17c) EMITMBC(0x17e) | |
| 1088 EMITMBC(0x1b6) EMITMBC(0x1e91) EMITMBC(0x1e95) | |
| 1089 return OK; | |
| 1090 | |
| 1091 /* default: character itself */ | |
| 4444 | 1092 } |
| 1093 } | |
| 1094 | |
| 5351 | 1095 EMIT2(c); |
| 4444 | 1096 return OK; |
| 1097 #undef EMIT2 | |
| 5351 | 1098 #undef EMITMBC |
| 4444 | 1099 } |
| 1100 | |
| 1101 /* | |
| 1102 * Code to parse regular expression. | |
| 1103 * | |
| 1104 * We try to reuse parsing functions in regexp.c to | |
| 1105 * minimize surprise and keep the syntax consistent. | |
| 1106 */ | |
| 1107 | |
| 1108 /* | |
| 1109 * Parse the lowest level. | |
| 1110 * | |
| 1111 * An atom can be one of a long list of items. Many atoms match one character | |
| 1112 * in the text. It is often an ordinary character or a character class. | |
| 1113 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
| 1114 * is only for syntax highlighting. | |
| 1115 * | |
| 1116 * atom ::= ordinary-atom | |
| 1117 * or \( pattern \) | |
| 1118 * or \%( pattern \) | |
| 1119 * or \z( pattern \) | |
| 1120 */ | |
| 1121 static int | |
| 1122 nfa_regatom() | |
| 1123 { | |
| 1124 int c; | |
| 1125 int charclass; | |
| 1126 int equiclass; | |
| 1127 int collclass; | |
| 1128 int got_coll_char; | |
| 1129 char_u *p; | |
| 1130 char_u *endp; | |
| 1131 #ifdef FEAT_MBYTE | |
| 1132 char_u *old_regparse = regparse; | |
| 1133 #endif | |
| 1134 int extra = 0; | |
| 1135 int emit_range; | |
| 1136 int negated; | |
| 1137 int result; | |
| 1138 int startc = -1; | |
| 1139 int endc = -1; | |
| 1140 int oldstartc = -1; | |
| 1141 | |
| 1142 c = getchr(); | |
| 1143 switch (c) | |
| 1144 { | |
|
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1145 case NUL: |
| 5511 | 1146 EMSG_RET_FAIL(_(e_nul_found)); |
|
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1147 |
| 4444 | 1148 case Magic('^'): |
| 1149 EMIT(NFA_BOL); | |
| 1150 break; | |
| 1151 | |
| 1152 case Magic('$'): | |
| 1153 EMIT(NFA_EOL); | |
| 1154 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 1155 had_eol = TRUE; | |
| 1156 #endif | |
| 1157 break; | |
| 1158 | |
| 1159 case Magic('<'): | |
| 1160 EMIT(NFA_BOW); | |
| 1161 break; | |
| 1162 | |
| 1163 case Magic('>'): | |
| 1164 EMIT(NFA_EOW); | |
| 1165 break; | |
| 1166 | |
| 1167 case Magic('_'): | |
| 1168 c = no_Magic(getchr()); | |
| 5511 | 1169 if (c == NUL) |
| 1170 EMSG_RET_FAIL(_(e_nul_found)); | |
| 1171 | |
| 4444 | 1172 if (c == '^') /* "\_^" is start-of-line */ |
| 1173 { | |
| 1174 EMIT(NFA_BOL); | |
| 1175 break; | |
| 1176 } | |
| 1177 if (c == '$') /* "\_$" is end-of-line */ | |
| 1178 { | |
| 1179 EMIT(NFA_EOL); | |
| 1180 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 1181 had_eol = TRUE; | |
| 1182 #endif | |
| 1183 break; | |
| 1184 } | |
| 1185 | |
| 5296 | 1186 extra = NFA_ADD_NL; |
| 4444 | 1187 |
| 1188 /* "\_[" is collection plus newline */ | |
| 1189 if (c == '[') | |
|
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1190 goto collection; |
| 4444 | 1191 |
| 1192 /* "\_x" is character class plus newline */ | |
| 1193 /*FALLTHROUGH*/ | |
| 1194 | |
| 1195 /* | |
| 1196 * Character classes. | |
| 1197 */ | |
| 1198 case Magic('.'): | |
| 1199 case Magic('i'): | |
| 1200 case Magic('I'): | |
| 1201 case Magic('k'): | |
| 1202 case Magic('K'): | |
| 1203 case Magic('f'): | |
| 1204 case Magic('F'): | |
| 1205 case Magic('p'): | |
| 1206 case Magic('P'): | |
| 1207 case Magic('s'): | |
| 1208 case Magic('S'): | |
| 1209 case Magic('d'): | |
| 1210 case Magic('D'): | |
| 1211 case Magic('x'): | |
| 1212 case Magic('X'): | |
| 1213 case Magic('o'): | |
| 1214 case Magic('O'): | |
| 1215 case Magic('w'): | |
| 1216 case Magic('W'): | |
| 1217 case Magic('h'): | |
| 1218 case Magic('H'): | |
| 1219 case Magic('a'): | |
| 1220 case Magic('A'): | |
| 1221 case Magic('l'): | |
| 1222 case Magic('L'): | |
| 1223 case Magic('u'): | |
| 1224 case Magic('U'): | |
| 1225 p = vim_strchr(classchars, no_Magic(c)); | |
| 1226 if (p == NULL) | |
| 1227 { | |
| 5511 | 1228 if (extra == NFA_ADD_NL) |
| 1229 { | |
| 1230 EMSGN(_(e_ill_char_class), c); | |
| 1231 rc_did_emsg = TRUE; | |
| 1232 return FAIL; | |
| 1233 } | |
|
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1234 EMSGN("INTERNAL: Unknown character class char: %ld", c); |
|
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1235 return FAIL; |
| 4444 | 1236 } |
| 1237 #ifdef FEAT_MBYTE | |
| 1238 /* When '.' is followed by a composing char ignore the dot, so that | |
| 1239 * the composing char is matched here. */ | |
| 1240 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) | |
| 1241 { | |
|
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1242 old_regparse = regparse; |
| 4444 | 1243 c = getchr(); |
| 1244 goto nfa_do_multibyte; | |
| 1245 } | |
| 1246 #endif | |
| 1247 EMIT(nfa_classcodes[p - classchars]); | |
| 5296 | 1248 if (extra == NFA_ADD_NL) |
| 4444 | 1249 { |
| 1250 EMIT(NFA_NEWL); | |
| 1251 EMIT(NFA_OR); | |
| 1252 regflags |= RF_HASNL; | |
| 1253 } | |
| 1254 break; | |
| 1255 | |
| 1256 case Magic('n'): | |
| 1257 if (reg_string) | |
|
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1258 /* In a string "\n" matches a newline character. */ |
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1259 EMIT(NL); |
| 4444 | 1260 else |
| 1261 { | |
| 1262 /* In buffer text "\n" matches the end of a line. */ | |
| 1263 EMIT(NFA_NEWL); | |
| 1264 regflags |= RF_HASNL; | |
| 1265 } | |
| 1266 break; | |
| 1267 | |
| 1268 case Magic('('): | |
| 1269 if (nfa_reg(REG_PAREN) == FAIL) | |
| 1270 return FAIL; /* cascaded error */ | |
| 1271 break; | |
| 1272 | |
| 1273 case Magic('|'): | |
| 1274 case Magic('&'): | |
| 1275 case Magic(')'): | |
| 4450 | 1276 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 1277 return FAIL; |
| 1278 | |
| 1279 case Magic('='): | |
| 1280 case Magic('?'): | |
| 1281 case Magic('+'): | |
| 1282 case Magic('@'): | |
| 1283 case Magic('*'): | |
| 1284 case Magic('{'): | |
| 1285 /* these should follow an atom, not form an atom */ | |
| 4450 | 1286 EMSGN(_(e_misplaced), no_Magic(c)); |
| 4444 | 1287 return FAIL; |
| 1288 | |
|
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1289 case Magic('~'): |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1290 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1291 char_u *lp; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1292 |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1293 /* Previous substitute pattern. |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1294 * Generated as "\%(pattern\)". */ |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1295 if (reg_prev_sub == NULL) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1296 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1297 EMSG(_(e_nopresub)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1298 return FAIL; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1299 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1300 for (lp = reg_prev_sub; *lp != NUL; mb_cptr_adv(lp)) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1301 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1302 EMIT(PTR2CHAR(lp)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1303 if (lp != reg_prev_sub) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1304 EMIT(NFA_CONCAT); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1305 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1306 EMIT(NFA_NOPEN); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1307 break; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1308 } |
| 4444 | 1309 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1310 case Magic('1'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1311 case Magic('2'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1312 case Magic('3'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1313 case Magic('4'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1314 case Magic('5'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1315 case Magic('6'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1316 case Magic('7'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1317 case Magic('8'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1318 case Magic('9'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1319 EMIT(NFA_BACKREF1 + (no_Magic(c) - '1')); |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1320 nfa_has_backref = TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1321 break; |
| 4444 | 1322 |
| 1323 case Magic('z'): | |
| 1324 c = no_Magic(getchr()); | |
| 1325 switch (c) | |
| 1326 { | |
| 1327 case 's': | |
| 1328 EMIT(NFA_ZSTART); | |
| 6170 | 1329 if (re_mult_next("\\zs") == FAIL) |
| 1330 return FAIL; | |
| 4444 | 1331 break; |
| 1332 case 'e': | |
| 1333 EMIT(NFA_ZEND); | |
| 1334 nfa_has_zend = TRUE; | |
| 6170 | 1335 if (re_mult_next("\\ze") == FAIL) |
| 1336 return FAIL; | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
1337 break; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1338 #ifdef FEAT_SYN_HL |
| 4444 | 1339 case '1': |
| 1340 case '2': | |
| 1341 case '3': | |
| 1342 case '4': | |
| 1343 case '5': | |
| 1344 case '6': | |
| 1345 case '7': | |
| 1346 case '8': | |
| 1347 case '9': | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1348 /* \z1...\z9 */ |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1349 if (reg_do_extmatch != REX_USE) |
|
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1350 EMSG_RET_FAIL(_(e_z1_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1351 EMIT(NFA_ZREF1 + (no_Magic(c) - '1')); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1352 /* 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
|
1353 * change when \z1 .. \z9 matches or not. */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1354 re_has_z = REX_USE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1355 break; |
| 4444 | 1356 case '(': |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1357 /* \z( */ |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1358 if (reg_do_extmatch != REX_SET) |
|
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1359 EMSG_RET_FAIL(_(e_z_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1360 if (nfa_reg(REG_ZPAREN) == FAIL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1361 return FAIL; /* cascaded error */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1362 re_has_z = REX_SET; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1363 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1364 #endif |
| 4444 | 1365 default: |
| 4450 | 1366 EMSGN(_("E867: (NFA) Unknown operator '\\z%c'"), |
| 4444 | 1367 no_Magic(c)); |
| 1368 return FAIL; | |
| 1369 } | |
| 1370 break; | |
| 1371 | |
| 1372 case Magic('%'): | |
| 1373 c = no_Magic(getchr()); | |
| 1374 switch (c) | |
| 1375 { | |
| 1376 /* () without a back reference */ | |
| 1377 case '(': | |
| 1378 if (nfa_reg(REG_NPAREN) == FAIL) | |
| 1379 return FAIL; | |
| 1380 EMIT(NFA_NOPEN); | |
| 1381 break; | |
| 1382 | |
| 1383 case 'd': /* %d123 decimal */ | |
| 1384 case 'o': /* %o123 octal */ | |
| 1385 case 'x': /* %xab hex 2 */ | |
| 1386 case 'u': /* %uabcd hex 4 */ | |
| 1387 case 'U': /* %U1234abcd hex 8 */ | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1388 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1389 int nr; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1390 |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1391 switch (c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1392 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1393 case 'd': nr = getdecchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1394 case 'o': nr = getoctchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1395 case 'x': nr = gethexchrs(2); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1396 case 'u': nr = gethexchrs(4); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1397 case 'U': nr = gethexchrs(8); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1398 default: nr = -1; break; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1399 } |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1400 |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1401 if (nr < 0) |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1402 EMSG2_RET_FAIL( |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1403 _("E678: Invalid character after %s%%[dxouU]"), |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1404 reg_magic == MAGIC_ALL); |
| 5360 | 1405 /* 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
|
1406 /* TODO: what if a composing character follows? */ |
| 5360 | 1407 EMIT(nr == 0 ? 0x0a : nr); |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1408 } |
| 4444 | 1409 break; |
| 1410 | |
| 1411 /* Catch \%^ and \%$ regardless of where they appear in the | |
| 1412 * pattern -- regardless of whether or not it makes sense. */ | |
| 1413 case '^': | |
| 1414 EMIT(NFA_BOF); | |
| 1415 break; | |
| 1416 | |
| 1417 case '$': | |
| 1418 EMIT(NFA_EOF); | |
| 1419 break; | |
| 1420 | |
| 1421 case '#': | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1422 EMIT(NFA_CURSOR); |
| 4444 | 1423 break; |
| 1424 | |
| 1425 case 'V': | |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
1426 EMIT(NFA_VISUAL); |
| 4444 | 1427 break; |
| 1428 | |
| 5901 | 1429 case 'C': |
| 1430 EMIT(NFA_ANY_COMPOSING); | |
| 1431 break; | |
| 1432 | |
| 4444 | 1433 case '[': |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1434 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1435 int n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1436 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1437 /* \%[abc] */ |
|
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1438 for (n = 0; (c = peekchr()) != ']'; ++n) |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1439 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1440 if (c == NUL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1441 EMSG2_RET_FAIL(_(e_missing_sb), |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1442 reg_magic == MAGIC_ALL); |
|
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1443 /* recursive call! */ |
|
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1444 if (nfa_regatom() == FAIL) |
|
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1445 return FAIL; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1446 } |
|
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1447 getchr(); /* get the ] */ |
|
4760
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1448 if (n == 0) |
|
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1449 EMSG2_RET_FAIL(_(e_empty_sb), |
|
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1450 reg_magic == MAGIC_ALL); |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1451 EMIT(NFA_OPT_CHARS); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1452 EMIT(n); |
|
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1453 |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1454 /* Emit as "\%(\%[abc]\)" to be able to handle |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1455 * "\%[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
|
1456 * 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
|
1457 * 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
|
1458 * added multiple times. This is more efficient than |
| 6547 | 1459 * 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
|
1460 * a lot. */ |
|
3c6e2b89875f
updated for version 7.4b.004
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parents:
5253
diff
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|
1461 EMIT(NFA_NOPEN); |
|
4740
97560c16ca99
updated for version 7.3.1117
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diff
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|
1462 break; |
|
97560c16ca99
updated for version 7.3.1117
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diff
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|
1463 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
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diff
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|
1464 |
| 4444 | 1465 default: |
|
4583
321cfbef9431
updated for version 7.3.1039
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diff
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|
1466 { |
|
4655
779ca415f8e1
updated for version 7.3.1075
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4651
diff
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|
1467 int n = 0; |
|
4583
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diff
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|
1468 int cmp = c; |
|
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updated for version 7.3.1039
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diff
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|
1469 |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
1470 if (c == '<' || c == '>') |
|
321cfbef9431
updated for version 7.3.1039
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|
1471 c = getchr(); |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
1472 while (VIM_ISDIGIT(c)) |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
1473 { |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
1474 n = n * 10 + (c - '0'); |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
1475 c = getchr(); |
|
321cfbef9431
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diff
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|
1476 } |
|
321cfbef9431
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diff
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|
1477 if (c == 'l' || c == 'c' || c == 'v') |
|
321cfbef9431
updated for version 7.3.1039
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diff
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|
1478 { |
|
321cfbef9431
updated for version 7.3.1039
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4579
diff
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|
1479 if (c == 'l') |
|
4732
0798b096bab3
updated for version 7.3.1113
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diff
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|
1480 /* \%{n}l \%{n}<l \%{n}>l */ |
|
4583
321cfbef9431
updated for version 7.3.1039
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4579
diff
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|
1481 EMIT(cmp == '<' ? NFA_LNUM_LT : |
|
4732
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updated for version 7.3.1113
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diff
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|
1482 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM); |
|
4583
321cfbef9431
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|
1483 else if (c == 'c') |
|
4732
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diff
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|
1484 /* \%{n}c \%{n}<c \%{n}>c */ |
|
4583
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|
1485 EMIT(cmp == '<' ? NFA_COL_LT : |
|
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|
1486 cmp == '>' ? NFA_COL_GT : NFA_COL); |
|
4583
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|
1487 else |
|
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|
1488 /* \%{n}v \%{n}<v \%{n}>v */ |
|
4583
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|
1489 EMIT(cmp == '<' ? NFA_VCOL_LT : |
|
4732
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|
1490 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); |
|
4740
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|
1491 EMIT(n); |
|
4583
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|
1492 break; |
|
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|
1493 } |
|
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|
1494 else if (c == '\'' && n == 0) |
|
0798b096bab3
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|
1495 { |
|
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updated for version 7.3.1113
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|
1496 /* \%'m \%<'m \%>'m */ |
|
0798b096bab3
updated for version 7.3.1113
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|
1497 EMIT(cmp == '<' ? NFA_MARK_LT : |
|
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|
1498 cmp == '>' ? NFA_MARK_GT : NFA_MARK); |
|
4740
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|
1499 EMIT(getchr()); |
|
4732
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|
1500 break; |
|
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|
1501 } |
|
4583
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|
1502 } |
|
4571
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updated for version 7.3.1033
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diff
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|
1503 EMSGN(_("E867: (NFA) Unknown operator '\\%%%c'"), |
|
b2a8e3a66f8c
updated for version 7.3.1033
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|
1504 no_Magic(c)); |
| 4444 | 1505 return FAIL; |
| 1506 } | |
| 1507 break; | |
| 1508 | |
| 1509 case Magic('['): | |
|
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents:
4515
diff
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|
1510 collection: |
| 4444 | 1511 /* |
|
4781
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diff
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|
1512 * [abc] uses NFA_START_COLL - NFA_END_COLL |
|
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diff
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|
1513 * [^abc] uses NFA_START_NEG_COLL - NFA_END_NEG_COLL |
|
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|
1514 * Each character is produced as a regular state, using |
|
c02c7df9bdc9
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diff
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|
1515 * NFA_CONCAT to bind them together. |
|
c02c7df9bdc9
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diff
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|
1516 * Besides normal characters there can be: |
|
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1517 * - character classes NFA_CLASS_* |
|
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1518 * - ranges, two characters followed by NFA_RANGE. |
| 4444 | 1519 */ |
| 1520 | |
| 1521 p = regparse; | |
| 1522 endp = skip_anyof(p); | |
| 1523 if (*endp == ']') | |
| 1524 { | |
| 1525 /* | |
| 1526 * Try to reverse engineer character classes. For example, | |
| 5296 | 1527 * recognize that [0-9] stands for \d and [A-Za-z_] for \h, |
| 4444 | 1528 * and perform the necessary substitutions in the NFA. |
| 1529 */ | |
| 1530 result = nfa_recognize_char_class(regparse, endp, | |
| 5296 | 1531 extra == NFA_ADD_NL); |
| 4444 | 1532 if (result != FAIL) |
| 1533 { | |
| 5296 | 1534 if (result >= NFA_FIRST_NL && result <= NFA_LAST_NL) |
| 4444 | 1535 { |
| 5296 | 1536 EMIT(result - NFA_ADD_NL); |
| 4444 | 1537 EMIT(NFA_NEWL); |
| 1538 EMIT(NFA_OR); | |
| 1539 } | |
| 5296 | 1540 else |
| 1541 EMIT(result); | |
| 4444 | 1542 regparse = endp; |
|
4573
37e444aeb33b
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diff
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|
1543 mb_ptr_adv(regparse); |
| 4444 | 1544 return OK; |
| 1545 } | |
| 1546 /* | |
| 1547 * Failed to recognize a character class. Use the simple | |
| 1548 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
| 1549 */ | |
| 1550 startc = endc = oldstartc = -1; | |
| 1551 negated = FALSE; | |
| 1552 if (*regparse == '^') /* negated range */ | |
| 1553 { | |
| 1554 negated = TRUE; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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4571
diff
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|
1555 mb_ptr_adv(regparse); |
|
4781
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diff
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|
1556 EMIT(NFA_START_NEG_COLL); |
| 4444 | 1557 } |
|
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|
1558 else |
|
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diff
changeset
|
1559 EMIT(NFA_START_COLL); |
| 4444 | 1560 if (*regparse == '-') |
| 1561 { | |
| 1562 startc = '-'; | |
| 1563 EMIT(startc); | |
|
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diff
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|
1564 EMIT(NFA_CONCAT); |
|
4573
37e444aeb33b
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diff
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|
1565 mb_ptr_adv(regparse); |
| 4444 | 1566 } |
| 1567 /* Emit the OR branches for each character in the [] */ | |
| 1568 emit_range = FALSE; | |
| 1569 while (regparse < endp) | |
| 1570 { | |
| 1571 oldstartc = startc; | |
| 1572 startc = -1; | |
| 1573 got_coll_char = FALSE; | |
| 1574 if (*regparse == '[') | |
| 1575 { | |
| 1576 /* Check for [: :], [= =], [. .] */ | |
| 1577 equiclass = collclass = 0; | |
| 1578 charclass = get_char_class(®parse); | |
| 1579 if (charclass == CLASS_NONE) | |
| 1580 { | |
| 1581 equiclass = get_equi_class(®parse); | |
| 1582 if (equiclass == 0) | |
| 1583 collclass = get_coll_element(®parse); | |
| 1584 } | |
| 1585 | |
| 1586 /* Character class like [:alpha:] */ | |
| 1587 if (charclass != CLASS_NONE) | |
| 1588 { | |
| 1589 switch (charclass) | |
| 1590 { | |
| 1591 case CLASS_ALNUM: | |
| 1592 EMIT(NFA_CLASS_ALNUM); | |
| 1593 break; | |
| 1594 case CLASS_ALPHA: | |
| 1595 EMIT(NFA_CLASS_ALPHA); | |
| 1596 break; | |
| 1597 case CLASS_BLANK: | |
| 1598 EMIT(NFA_CLASS_BLANK); | |
| 1599 break; | |
| 1600 case CLASS_CNTRL: | |
| 1601 EMIT(NFA_CLASS_CNTRL); | |
| 1602 break; | |
| 1603 case CLASS_DIGIT: | |
| 1604 EMIT(NFA_CLASS_DIGIT); | |
| 1605 break; | |
| 1606 case CLASS_GRAPH: | |
| 1607 EMIT(NFA_CLASS_GRAPH); | |
| 1608 break; | |
| 1609 case CLASS_LOWER: | |
| 1610 EMIT(NFA_CLASS_LOWER); | |
| 1611 break; | |
| 1612 case CLASS_PRINT: | |
| 1613 EMIT(NFA_CLASS_PRINT); | |
| 1614 break; | |
| 1615 case CLASS_PUNCT: | |
| 1616 EMIT(NFA_CLASS_PUNCT); | |
| 1617 break; | |
| 1618 case CLASS_SPACE: | |
| 1619 EMIT(NFA_CLASS_SPACE); | |
| 1620 break; | |
| 1621 case CLASS_UPPER: | |
| 1622 EMIT(NFA_CLASS_UPPER); | |
| 1623 break; | |
| 1624 case CLASS_XDIGIT: | |
| 1625 EMIT(NFA_CLASS_XDIGIT); | |
| 1626 break; | |
| 1627 case CLASS_TAB: | |
| 1628 EMIT(NFA_CLASS_TAB); | |
| 1629 break; | |
| 1630 case CLASS_RETURN: | |
| 1631 EMIT(NFA_CLASS_RETURN); | |
| 1632 break; | |
| 1633 case CLASS_BACKSPACE: | |
| 1634 EMIT(NFA_CLASS_BACKSPACE); | |
| 1635 break; | |
| 1636 case CLASS_ESCAPE: | |
| 1637 EMIT(NFA_CLASS_ESCAPE); | |
| 1638 break; | |
| 1639 } | |
|
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diff
changeset
|
1640 EMIT(NFA_CONCAT); |
| 4444 | 1641 continue; |
| 1642 } | |
| 1643 /* Try equivalence class [=a=] and the like */ | |
| 1644 if (equiclass != 0) | |
| 1645 { | |
|
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diff
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|
1646 result = nfa_emit_equi_class(equiclass); |
| 4444 | 1647 if (result == FAIL) |
| 1648 { | |
| 1649 /* should never happen */ | |
| 1650 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); | |
| 1651 } | |
| 1652 continue; | |
| 1653 } | |
| 1654 /* Try collating class like [. .] */ | |
| 1655 if (collclass != 0) | |
| 1656 { | |
| 1657 startc = collclass; /* allow [.a.]-x as a range */ | |
| 1658 /* Will emit the proper atom at the end of the | |
| 1659 * while loop. */ | |
| 1660 } | |
| 1661 } | |
|
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updated for version 7.3.1086
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4675
diff
changeset
|
1662 /* Try a range like 'a-x' or '\t-z'. Also allows '-' as a |
|
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|
1663 * start character. */ |
|
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diff
changeset
|
1664 if (*regparse == '-' && oldstartc != -1) |
| 4444 | 1665 { |
| 1666 emit_range = TRUE; | |
| 1667 startc = oldstartc; | |
|
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|
1668 mb_ptr_adv(regparse); |
| 4444 | 1669 continue; /* reading the end of the range */ |
| 1670 } | |
| 1671 | |
| 1672 /* Now handle simple and escaped characters. | |
| 1673 * Only "\]", "\^", "\]" and "\\" are special in Vi. Vim | |
| 1674 * accepts "\t", "\e", etc., but only when the 'l' flag in | |
| 1675 * 'cpoptions' is not included. | |
| 1676 * Posix doesn't recognize backslash at all. | |
| 1677 */ | |
| 1678 if (*regparse == '\\' | |
|
4744
a62695305e03
updated for version 7.3.1119
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|
1679 && !reg_cpo_bsl |
| 4444 | 1680 && regparse + 1 <= endp |
| 1681 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
|
4744
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|
1682 || (!reg_cpo_lit |
| 4444 | 1683 && vim_strchr(REGEXP_ABBR, regparse[1]) |
| 1684 != NULL) | |
| 1685 ) | |
| 1686 ) | |
| 1687 { | |
|
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|
1688 mb_ptr_adv(regparse); |
| 4444 | 1689 |
|
4507
9dbbddb2ed10
updated for version 7.3.1001
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diff
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|
1690 if (*regparse == 'n') |
| 4444 | 1691 startc = reg_string ? NL : NFA_NEWL; |
| 1692 else | |
| 1693 if (*regparse == 'd' | |
| 1694 || *regparse == 'o' | |
| 1695 || *regparse == 'x' | |
| 1696 || *regparse == 'u' | |
| 1697 || *regparse == 'U' | |
| 1698 ) | |
| 1699 { | |
| 1700 /* TODO(RE) This needs more testing */ | |
| 1701 startc = coll_get_char(); | |
| 1702 got_coll_char = TRUE; | |
|
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|
1703 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1704 } |
| 1705 else | |
| 1706 { | |
| 1707 /* \r,\t,\e,\b */ | |
| 1708 startc = backslash_trans(*regparse); | |
| 1709 } | |
| 1710 } | |
| 1711 | |
| 1712 /* Normal printable char */ | |
| 1713 if (startc == -1) | |
|
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|
1714 startc = PTR2CHAR(regparse); |
| 4444 | 1715 |
| 1716 /* Previous char was '-', so this char is end of range. */ | |
| 1717 if (emit_range) | |
| 1718 { | |
|
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|
1719 endc = startc; |
|
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|
1720 startc = oldstartc; |
| 4444 | 1721 if (startc > endc) |
| 1722 EMSG_RET_FAIL(_(e_invrange)); | |
|
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|
1723 |
|
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|
1724 if (endc > startc + 2) |
|
c02c7df9bdc9
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|
1725 { |
|
c02c7df9bdc9
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changeset
|
1726 /* Emit a range instead of the sequence of |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
1727 * individual characters. */ |
|
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updated for version 7.3.1137
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4772
diff
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|
1728 if (startc == 0) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
1729 /* \x00 is translated to \x0a, start at \x01. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
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|
1730 EMIT(1); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
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|
1731 else |
|
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1732 --post_ptr; /* remove NFA_CONCAT */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1733 EMIT(endc); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
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|
1734 EMIT(NFA_RANGE); |
|
c02c7df9bdc9
updated for version 7.3.1137
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parents:
4772
diff
changeset
|
1735 EMIT(NFA_CONCAT); |
|
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
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|
1736 } |
|
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
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|
1737 else |
| 4444 | 1738 #ifdef FEAT_MBYTE |
|
4781
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
1739 if (has_mbyte && ((*mb_char2len)(startc) > 1 |
| 4444 | 1740 || (*mb_char2len)(endc) > 1)) |
| 1741 { | |
|
4781
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1742 /* Emit the characters in the range. |
|
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updated for version 7.3.1137
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4772
diff
changeset
|
1743 * "startc" was already emitted, so skip it. |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1744 * */ |
| 4444 | 1745 for (c = startc + 1; c <= endc; c++) |
| 1746 { | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
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4525
diff
changeset
|
1747 EMIT(c); |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
1748 EMIT(NFA_CONCAT); |
| 4444 | 1749 } |
| 1750 } | |
| 1751 else | |
| 1752 #endif | |
| 1753 { | |
| 1754 #ifdef EBCDIC | |
| 1755 int alpha_only = FALSE; | |
| 1756 | |
| 1757 /* for alphabetical range skip the gaps | |
| 1758 * 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. */ | |
| 1759 if (isalpha(startc) && isalpha(endc)) | |
| 1760 alpha_only = TRUE; | |
| 1761 #endif | |
| 1762 /* Emit the range. "startc" was already emitted, so | |
| 1763 * skip it. */ | |
| 1764 for (c = startc + 1; c <= endc; c++) | |
| 1765 #ifdef EBCDIC | |
| 1766 if (!alpha_only || isalpha(startc)) | |
| 1767 #endif | |
| 1768 { | |
| 1769 EMIT(c); | |
|
4781
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updated for version 7.3.1137
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4772
diff
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|
1770 EMIT(NFA_CONCAT); |
| 4444 | 1771 } |
| 1772 } | |
|
4677
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1773 emit_range = FALSE; |
|
c1622ff9ed8d
updated for version 7.3.1086
Bram Moolenaar <bram@vim.org>
parents:
4675
diff
changeset
|
1774 startc = -1; |
| 4444 | 1775 } |
| 1776 else | |
| 1777 { | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
1778 /* This char (startc) is not part of a range. Just |
| 4444 | 1779 * emit it. |
| 1780 * Normally, simply emit startc. But if we get char | |
| 1781 * code=0 from a collating char, then replace it with | |
| 1782 * 0x0a. | |
| 1783 * This is needed to completely mimic the behaviour of | |
|
4781
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updated for version 7.3.1137
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diff
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|
1784 * the backtracking engine. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
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parents:
4772
diff
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|
1785 if (startc == NFA_NEWL) |
|
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
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|
1786 { |
|
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updated for version 7.3.1137
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4772
diff
changeset
|
1787 /* Line break can't be matched as part of the |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
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|
1788 * collection, add an OR below. But not for negated |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
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|
1789 * range. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
changeset
|
1790 if (!negated) |
| 5296 | 1791 extra = NFA_ADD_NL; |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
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|
1792 } |
| 4444 | 1793 else |
|
4781
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updated for version 7.3.1137
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|
1794 { |
|
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updated for version 7.3.1137
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diff
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|
1795 if (got_coll_char == TRUE && startc == 0) |
|
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updated for version 7.3.1137
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4772
diff
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|
1796 EMIT(0x0a); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
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|
1797 else |
|
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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diff
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|
1798 EMIT(startc); |
|
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
1799 EMIT(NFA_CONCAT); |
|
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updated for version 7.3.1137
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4772
diff
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|
1800 } |
| 4444 | 1801 } |
| 1802 | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
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|
1803 mb_ptr_adv(regparse); |
| 4444 | 1804 } /* while (p < endp) */ |
| 1805 | |
|
4573
37e444aeb33b
updated for version 7.3.1034
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4571
diff
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|
1806 mb_ptr_back(old_regparse, regparse); |
| 4444 | 1807 if (*regparse == '-') /* if last, '-' is just a char */ |
| 1808 { | |
| 1809 EMIT('-'); | |
|
4781
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updated for version 7.3.1137
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diff
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|
1810 EMIT(NFA_CONCAT); |
| 4444 | 1811 } |
| 1812 | |
| 1813 /* skip the trailing ] */ | |
| 1814 regparse = endp; | |
|
4573
37e444aeb33b
updated for version 7.3.1034
Bram Moolenaar <bram@vim.org>
parents:
4571
diff
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|
1815 mb_ptr_adv(regparse); |
|
4781
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updated for version 7.3.1137
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diff
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|
1816 |
|
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
1817 /* Mark end of the collection. */ |
| 4444 | 1818 if (negated == TRUE) |
|
4781
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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4772
diff
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|
1819 EMIT(NFA_END_NEG_COLL); |
|
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1820 else |
|
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updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1821 EMIT(NFA_END_COLL); |
|
4615
5679b8ddd8cc
updated for version 7.3.1055
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diff
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|
1822 |
|
5679b8ddd8cc
updated for version 7.3.1055
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parents:
4583
diff
changeset
|
1823 /* \_[] also matches \n but it's not negated */ |
| 5296 | 1824 if (extra == NFA_ADD_NL) |
|
4615
5679b8ddd8cc
updated for version 7.3.1055
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parents:
4583
diff
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|
1825 { |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1826 EMIT(reg_string ? NL : NFA_NEWL); |
|
5679b8ddd8cc
updated for version 7.3.1055
Bram Moolenaar <bram@vim.org>
parents:
4583
diff
changeset
|
1827 EMIT(NFA_OR); |
|
5679b8ddd8cc
updated for version 7.3.1055
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4583
diff
changeset
|
1828 } |
|
5679b8ddd8cc
updated for version 7.3.1055
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4583
diff
changeset
|
1829 |
| 4444 | 1830 return OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
changeset
|
1831 } /* if exists closing ] */ |
|
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
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|
1832 |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
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4527
diff
changeset
|
1833 if (reg_strict) |
| 4444 | 1834 EMSG_RET_FAIL(_(e_missingbracket)); |
|
4529
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
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|
1835 /* FALLTHROUGH */ |
|
432a6b8c7d93
updated for version 7.3.1012
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4527
diff
changeset
|
1836 |
| 4444 | 1837 default: |
| 1838 { | |
| 1839 #ifdef FEAT_MBYTE | |
| 1840 int plen; | |
| 1841 | |
| 1842 nfa_do_multibyte: | |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1843 /* plen is length of current char with composing chars */ |
|
08ac46980953
updated for version 7.3.1019
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4541
diff
changeset
|
1844 if (enc_utf8 && ((*mb_char2len)(c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1845 != (plen = (*mb_ptr2len)(old_regparse)) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
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4541
diff
changeset
|
1846 || utf_iscomposing(c))) |
| 4444 | 1847 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1848 int i = 0; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1849 |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
1850 /* A base character plus composing characters, or just one |
|
45f97c349537
updated for version 7.3.1015
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parents:
4533
diff
changeset
|
1851 * or more composing characters. |
|
4527
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1852 * This requires creating a separate atom as if enclosing |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1853 * the characters in (), where NFA_COMPOSING is the ( and |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1854 * NFA_END_COMPOSING is the ). Note that right now we are |
| 4444 | 1855 * building the postfix form, not the NFA itself; |
| 1856 * a composing char could be: a, b, c, NFA_COMPOSING | |
|
4527
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updated for version 7.3.1011
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diff
changeset
|
1857 * where 'b' and 'c' are chars with codes > 256. */ |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1858 for (;;) |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
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diff
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|
1859 { |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1860 EMIT(c); |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
changeset
|
1861 if (i > 0) |
|
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
changeset
|
1862 EMIT(NFA_CONCAT); |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
1863 if ((i += utf_char2len(c)) >= plen) |
|
4527
55bcaa1d2749
updated for version 7.3.1011
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4525
diff
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|
1864 break; |
|
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1865 c = utf_ptr2char(old_regparse + i); |
|
55bcaa1d2749
updated for version 7.3.1011
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diff
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|
1866 } |
|
55bcaa1d2749
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diff
changeset
|
1867 EMIT(NFA_COMPOSING); |
| 4444 | 1868 regparse = old_regparse + plen; |
| 1869 } | |
| 1870 else | |
| 1871 #endif | |
| 1872 { | |
| 1873 c = no_Magic(c); | |
| 1874 EMIT(c); | |
| 1875 } | |
| 1876 return OK; | |
| 1877 } | |
| 1878 } | |
| 1879 | |
| 1880 return OK; | |
| 1881 } | |
| 1882 | |
| 1883 /* | |
| 1884 * Parse something followed by possible [*+=]. | |
| 1885 * | |
| 1886 * A piece is an atom, possibly followed by a multi, an indication of how many | |
| 1887 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
| 1888 * characters: "", "a", "aa", etc. | |
| 1889 * | |
| 1890 * piece ::= atom | |
| 1891 * or atom multi | |
| 1892 */ | |
| 1893 static int | |
| 1894 nfa_regpiece() | |
| 1895 { | |
| 1896 int i; | |
| 1897 int op; | |
| 1898 int ret; | |
| 1899 long minval, maxval; | |
| 1900 int greedy = TRUE; /* Braces are prefixed with '-' ? */ | |
|
4679
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updated for version 7.3.1087
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4677
diff
changeset
|
1901 parse_state_T old_state; |
|
4d92b873acef
updated for version 7.3.1087
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4677
diff
changeset
|
1902 parse_state_T new_state; |
| 4444 | 1903 int c2; |
|
4651
f10f63aaec5c
updated for version 7.3.1073
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parents:
4649
diff
changeset
|
1904 int old_post_pos; |
|
f10f63aaec5c
updated for version 7.3.1073
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4649
diff
changeset
|
1905 int my_post_start; |
| 4444 | 1906 int quest; |
| 1907 | |
|
4679
4d92b873acef
updated for version 7.3.1087
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4677
diff
changeset
|
1908 /* Save the current parse state, so that we can use it if <atom>{m,n} is |
|
4d92b873acef
updated for version 7.3.1087
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4677
diff
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|
1909 * next. */ |
|
4d92b873acef
updated for version 7.3.1087
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parents:
4677
diff
changeset
|
1910 save_parse_state(&old_state); |
|
4d92b873acef
updated for version 7.3.1087
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4677
diff
changeset
|
1911 |
| 4444 | 1912 /* store current pos in the postfix form, for \{m,n} involving 0s */ |
|
4651
f10f63aaec5c
updated for version 7.3.1073
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4649
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|
1913 my_post_start = (int)(post_ptr - post_start); |
| 4444 | 1914 |
| 1915 ret = nfa_regatom(); | |
| 1916 if (ret == FAIL) | |
| 1917 return FAIL; /* cascaded error */ | |
| 1918 | |
| 1919 op = peekchr(); | |
| 1920 if (re_multi_type(op) == NOT_MULTI) | |
| 1921 return OK; | |
| 1922 | |
| 1923 skipchr(); | |
| 1924 switch (op) | |
| 1925 { | |
| 1926 case Magic('*'): | |
| 1927 EMIT(NFA_STAR); | |
| 1928 break; | |
| 1929 | |
| 1930 case Magic('+'): | |
| 1931 /* | |
| 1932 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
| 1933 * first and only submatch would be "aaa". But the backtracking | |
| 1934 * engine interprets the plus as "try matching one more time", and | |
| 1935 * a* matches a second time at the end of the input, the empty | |
| 1936 * string. | |
|
5255
3c6e2b89875f
updated for version 7.4b.004
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5253
diff
changeset
|
1937 * The submatch will be the empty string. |
| 4444 | 1938 * |
|
4673
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
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4671
diff
changeset
|
1939 * In order to be consistent with the old engine, we replace |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
1940 * <atom>+ with <atom><atom>* |
| 4444 | 1941 */ |
|
4679
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1942 restore_parse_state(&old_state); |
| 4444 | 1943 curchr = -1; |
| 1944 if (nfa_regatom() == FAIL) | |
| 1945 return FAIL; | |
| 1946 EMIT(NFA_STAR); | |
| 1947 EMIT(NFA_CONCAT); | |
| 1948 skipchr(); /* skip the \+ */ | |
| 1949 break; | |
| 1950 | |
| 1951 case Magic('@'): | |
|
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1952 c2 = getdecchrs(); |
| 4444 | 1953 op = no_Magic(getchr()); |
|
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1954 i = 0; |
| 4444 | 1955 switch(op) |
| 1956 { | |
| 1957 case '=': | |
|
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1958 /* \@= */ |
|
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1959 i = NFA_PREV_ATOM_NO_WIDTH; |
| 4444 | 1960 break; |
|
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1961 case '!': |
|
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1962 /* \@! */ |
|
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1963 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
|
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|
1964 break; |
| 4444 | 1965 case '<': |
|
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1966 op = no_Magic(getchr()); |
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1967 if (op == '=') |
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|
1968 /* \@<= */ |
|
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1969 i = NFA_PREV_ATOM_JUST_BEFORE; |
|
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1970 else if (op == '!') |
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1971 /* \@<! */ |
|
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|
1972 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
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|
1973 break; |
| 4444 | 1974 case '>': |
|
4750
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1975 /* \@> */ |
|
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|
1976 i = NFA_PREV_ATOM_LIKE_PATTERN; |
|
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|
1977 break; |
| 4444 | 1978 } |
|
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1979 if (i == 0) |
|
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|
1980 { |
|
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|
1981 EMSGN(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
|
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1982 return FAIL; |
|
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|
1983 } |
|
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|
1984 EMIT(i); |
|
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|
1985 if (i == NFA_PREV_ATOM_JUST_BEFORE |
|
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|
1986 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
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|
1987 EMIT(c2); |
| 4444 | 1988 break; |
| 1989 | |
| 1990 case Magic('?'): | |
| 1991 case Magic('='): | |
| 1992 EMIT(NFA_QUEST); | |
| 1993 break; | |
| 1994 | |
| 1995 case Magic('{'): | |
| 1996 /* a{2,5} will expand to 'aaa?a?a?' | |
| 1997 * a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy | |
| 1998 * version of '?' | |
| 1999 * \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the | |
| 2000 * parenthesis have the same id | |
| 2001 */ | |
| 2002 | |
| 2003 greedy = TRUE; | |
| 2004 c2 = peekchr(); | |
| 2005 if (c2 == '-' || c2 == Magic('-')) | |
| 2006 { | |
| 2007 skipchr(); | |
| 2008 greedy = FALSE; | |
| 2009 } | |
| 2010 if (!read_limits(&minval, &maxval)) | |
| 2011 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
|
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2012 |
| 4444 | 2013 /* <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to |
| 2014 * <atom>* */ | |
|
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|
2015 if (minval == 0 && maxval == MAX_LIMIT) |
| 4444 | 2016 { |
| 6533 | 2017 if (greedy) /* { { (match the braces) */ |
|
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2018 /* \{}, \{0,} */ |
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2019 EMIT(NFA_STAR); |
| 6533 | 2020 else /* { { (match the braces) */ |
|
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2021 /* \{-}, \{-0,} */ |
|
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|
2022 EMIT(NFA_STAR_NONGREEDY); |
| 4444 | 2023 break; |
| 2024 } | |
| 2025 | |
| 2026 /* Special case: x{0} or x{-0} */ | |
| 2027 if (maxval == 0) | |
| 2028 { | |
| 2029 /* Ignore result of previous call to nfa_regatom() */ | |
|
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|
2030 post_ptr = post_start + my_post_start; |
| 5370 | 2031 /* NFA_EMPTY is 0-length and works everywhere */ |
| 2032 EMIT(NFA_EMPTY); | |
| 4444 | 2033 return OK; |
| 2034 } | |
| 2035 | |
| 6533 | 2036 /* The engine is very inefficient (uses too many states) when the |
| 6594 | 2037 * maximum is much larger than the minimum and when the maximum is |
| 2038 * large. Bail out if we can use the other engine. */ | |
| 2039 if ((nfa_re_flags & RE_AUTO) | |
| 2040 && (maxval > minval + 200 || maxval > 500)) | |
| 6533 | 2041 return FAIL; |
| 2042 | |
| 4444 | 2043 /* Ignore previous call to nfa_regatom() */ |
|
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|
2044 post_ptr = post_start + my_post_start; |
|
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|
2045 /* Save parse state after the repeated atom and the \{} */ |
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|
2046 save_parse_state(&new_state); |
| 4444 | 2047 |
| 2048 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
| 2049 for (i = 0; i < maxval; i++) | |
| 2050 { | |
| 2051 /* Goto beginning of the repeated atom */ | |
|
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|
2052 restore_parse_state(&old_state); |
|
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|
2053 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 2054 if (nfa_regatom() == FAIL) |
| 2055 return FAIL; | |
| 2056 /* after "minval" times, atoms are optional */ | |
| 2057 if (i + 1 > minval) | |
|
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|
2058 { |
|
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|
2059 if (maxval == MAX_LIMIT) |
|
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|
2060 { |
|
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|
2061 if (greedy) |
|
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|
2062 EMIT(NFA_STAR); |
|
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|
2063 else |
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|
2064 EMIT(NFA_STAR_NONGREEDY); |
|
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|
2065 } |
|
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|
2066 else |
|
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|
2067 EMIT(quest); |
|
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|
2068 } |
|
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|
2069 if (old_post_pos != my_post_start) |
| 4444 | 2070 EMIT(NFA_CONCAT); |
|
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|
2071 if (i + 1 > minval && maxval == MAX_LIMIT) |
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|
2072 break; |
| 4444 | 2073 } |
| 2074 | |
| 2075 /* Go to just after the repeated atom and the \{} */ | |
|
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|
2076 restore_parse_state(&new_state); |
| 4444 | 2077 curchr = -1; |
| 2078 | |
| 2079 break; | |
| 2080 | |
| 2081 | |
| 2082 default: | |
| 2083 break; | |
| 2084 } /* end switch */ | |
| 2085 | |
| 2086 if (re_multi_type(peekchr()) != NOT_MULTI) | |
| 2087 /* Can't have a multi follow a multi. */ | |
| 2088 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi !")); | |
| 2089 | |
| 2090 return OK; | |
| 2091 } | |
| 2092 | |
| 2093 /* | |
| 2094 * Parse one or more pieces, concatenated. It matches a match for the | |
| 2095 * first piece, followed by a match for the second piece, etc. Example: | |
| 2096 * "f[0-9]b", first matches "f", then a digit and then "b". | |
| 2097 * | |
| 2098 * concat ::= piece | |
| 2099 * or piece piece | |
| 2100 * or piece piece piece | |
| 2101 * etc. | |
| 2102 */ | |
| 2103 static int | |
| 2104 nfa_regconcat() | |
| 2105 { | |
| 2106 int cont = TRUE; | |
| 2107 int first = TRUE; | |
| 2108 | |
| 2109 while (cont) | |
| 2110 { | |
| 2111 switch (peekchr()) | |
| 2112 { | |
| 2113 case NUL: | |
| 2114 case Magic('|'): | |
| 2115 case Magic('&'): | |
| 2116 case Magic(')'): | |
| 2117 cont = FALSE; | |
| 2118 break; | |
| 2119 | |
| 2120 case Magic('Z'): | |
| 2121 #ifdef FEAT_MBYTE | |
| 2122 regflags |= RF_ICOMBINE; | |
| 2123 #endif | |
| 2124 skipchr_keepstart(); | |
| 2125 break; | |
| 2126 case Magic('c'): | |
| 2127 regflags |= RF_ICASE; | |
| 2128 skipchr_keepstart(); | |
| 2129 break; | |
| 2130 case Magic('C'): | |
| 2131 regflags |= RF_NOICASE; | |
| 2132 skipchr_keepstart(); | |
| 2133 break; | |
| 2134 case Magic('v'): | |
| 2135 reg_magic = MAGIC_ALL; | |
| 2136 skipchr_keepstart(); | |
| 2137 curchr = -1; | |
| 2138 break; | |
| 2139 case Magic('m'): | |
| 2140 reg_magic = MAGIC_ON; | |
| 2141 skipchr_keepstart(); | |
| 2142 curchr = -1; | |
| 2143 break; | |
| 2144 case Magic('M'): | |
| 2145 reg_magic = MAGIC_OFF; | |
| 2146 skipchr_keepstart(); | |
| 2147 curchr = -1; | |
| 2148 break; | |
| 2149 case Magic('V'): | |
| 2150 reg_magic = MAGIC_NONE; | |
| 2151 skipchr_keepstart(); | |
| 2152 curchr = -1; | |
| 2153 break; | |
| 2154 | |
| 2155 default: | |
| 2156 if (nfa_regpiece() == FAIL) | |
| 2157 return FAIL; | |
| 2158 if (first == FALSE) | |
| 2159 EMIT(NFA_CONCAT); | |
| 2160 else | |
| 2161 first = FALSE; | |
| 2162 break; | |
| 2163 } | |
| 2164 } | |
| 2165 | |
| 2166 return OK; | |
| 2167 } | |
| 2168 | |
| 2169 /* | |
| 2170 * Parse a branch, one or more concats, separated by "\&". It matches the | |
| 2171 * last concat, but only if all the preceding concats also match at the same | |
| 2172 * position. Examples: | |
| 2173 * "foobeep\&..." matches "foo" in "foobeep". | |
| 2174 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
| 2175 * | |
| 2176 * branch ::= concat | |
| 2177 * or concat \& concat | |
| 2178 * or concat \& concat \& concat | |
| 2179 * etc. | |
| 2180 */ | |
| 2181 static int | |
| 2182 nfa_regbranch() | |
| 2183 { | |
| 2184 int ch; | |
|
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2185 int old_post_pos; |
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2186 |
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|
2187 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 2188 |
| 2189 /* First branch, possibly the only one */ | |
| 2190 if (nfa_regconcat() == FAIL) | |
| 2191 return FAIL; | |
| 2192 | |
| 2193 ch = peekchr(); | |
| 2194 /* Try next concats */ | |
| 2195 while (ch == Magic('&')) | |
| 2196 { | |
| 2197 skipchr(); | |
| 2198 EMIT(NFA_NOPEN); | |
| 2199 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
|
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|
2200 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 2201 if (nfa_regconcat() == FAIL) |
| 2202 return FAIL; | |
| 5370 | 2203 /* if concat is empty do emit a node */ |
|
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|
2204 if (old_post_pos == (int)(post_ptr - post_start)) |
| 5370 | 2205 EMIT(NFA_EMPTY); |
| 4444 | 2206 EMIT(NFA_CONCAT); |
| 2207 ch = peekchr(); | |
| 2208 } | |
| 2209 | |
| 5370 | 2210 /* if a branch is empty, emit one node for it */ |
|
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|
2211 if (old_post_pos == (int)(post_ptr - post_start)) |
| 5370 | 2212 EMIT(NFA_EMPTY); |
| 4444 | 2213 |
| 2214 return OK; | |
| 2215 } | |
| 2216 | |
| 2217 /* | |
| 2218 * Parse a pattern, one or more branches, separated by "\|". It matches | |
| 2219 * anything that matches one of the branches. Example: "foo\|beep" matches | |
| 2220 * "foo" and matches "beep". If more than one branch matches, the first one | |
| 2221 * is used. | |
| 2222 * | |
| 2223 * pattern ::= branch | |
| 2224 * or branch \| branch | |
| 2225 * or branch \| branch \| branch | |
| 2226 * etc. | |
| 2227 */ | |
| 2228 static int | |
| 2229 nfa_reg(paren) | |
| 2230 int paren; /* REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN */ | |
| 2231 { | |
| 2232 int parno = 0; | |
| 2233 | |
| 2234 if (paren == REG_PAREN) | |
| 2235 { | |
| 2236 if (regnpar >= NSUBEXP) /* Too many `(' */ | |
| 2237 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); | |
| 2238 parno = regnpar++; | |
| 2239 } | |
|
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|
2240 #ifdef FEAT_SYN_HL |
|
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|
2241 else if (paren == REG_ZPAREN) |
|
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2242 { |
|
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2243 /* Make a ZOPEN node. */ |
|
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|
2244 if (regnzpar >= NSUBEXP) |
|
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|
2245 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
|
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|
2246 parno = regnzpar++; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2247 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2248 #endif |
| 4444 | 2249 |
| 2250 if (nfa_regbranch() == FAIL) | |
| 2251 return FAIL; /* cascaded error */ | |
| 2252 | |
| 2253 while (peekchr() == Magic('|')) | |
| 2254 { | |
| 2255 skipchr(); | |
| 2256 if (nfa_regbranch() == FAIL) | |
| 2257 return FAIL; /* cascaded error */ | |
| 2258 EMIT(NFA_OR); | |
| 2259 } | |
| 2260 | |
| 2261 /* Check for proper termination. */ | |
| 2262 if (paren != REG_NOPAREN && getchr() != Magic(')')) | |
| 2263 { | |
| 2264 if (paren == REG_NPAREN) | |
| 2265 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
| 2266 else | |
| 2267 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
| 2268 } | |
| 2269 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
| 2270 { | |
| 2271 if (peekchr() == Magic(')')) | |
| 2272 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
| 2273 else | |
| 2274 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
| 2275 } | |
| 2276 /* | |
| 2277 * Here we set the flag allowing back references to this set of | |
| 2278 * parentheses. | |
| 2279 */ | |
| 2280 if (paren == REG_PAREN) | |
| 2281 { | |
| 2282 had_endbrace[parno] = TRUE; /* have seen the close paren */ | |
| 2283 EMIT(NFA_MOPEN + parno); | |
| 2284 } | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2285 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2286 else if (paren == REG_ZPAREN) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2287 EMIT(NFA_ZOPEN + parno); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2288 #endif |
| 4444 | 2289 |
| 2290 return OK; | |
| 2291 } | |
| 2292 | |
| 2293 #ifdef DEBUG | |
| 2294 static char_u code[50]; | |
| 2295 | |
| 2296 static void | |
| 2297 nfa_set_code(c) | |
| 2298 int c; | |
| 2299 { | |
| 2300 int addnl = FALSE; | |
| 2301 | |
| 2302 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
| 2303 { | |
| 2304 addnl = TRUE; | |
| 5296 | 2305 c -= NFA_ADD_NL; |
| 4444 | 2306 } |
| 2307 | |
| 2308 STRCPY(code, ""); | |
| 2309 switch (c) | |
| 2310 { | |
| 2311 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
| 2312 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
| 2313 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
| 2314 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
| 2315 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
| 2316 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
| 2317 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2318 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2319 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2320 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2321 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2322 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2323 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2324 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2325 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2326 case NFA_BACKREF9: STRCPY(code, "NFA_BACKREF9"); break; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2327 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2328 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2329 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2330 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2331 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2332 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2333 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2334 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2335 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2336 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2337 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2338 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2339 |
| 4444 | 2340 case NFA_PREV_ATOM_NO_WIDTH: |
| 2341 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH"); break; | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2342 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2343 STRCPY(code, "NFA_PREV_ATOM_NO_WIDTH_NEG"); break; |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2344 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2345 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2346 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2347 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE_NEG"); break; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2348 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2349 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2350 |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2351 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2352 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
| 4444 | 2353 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
|
2354 case NFA_START_INVISIBLE_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2355 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break; |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2356 case NFA_START_INVISIBLE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2357 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break; |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2358 case NFA_START_INVISIBLE_NEG_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2359 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
|
2360 case NFA_START_INVISIBLE_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2361 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2362 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2363 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
|
2364 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2365 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
|
2366 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2367 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
|
2368 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break; |
| 4444 | 2369 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
|
2370 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
|
2371 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break; |
| 4444 | 2372 |
| 2373 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
| 2374 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
|
2375 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break; |
| 4444 | 2376 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2377 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2378 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2379 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2380 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2381 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2382 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2383 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2384 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2385 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2386 case NFA_MOPEN9: |
| 4444 | 2387 STRCPY(code, "NFA_MOPEN(x)"); |
| 2388 code[10] = c - NFA_MOPEN + '0'; | |
| 2389 break; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2390 case NFA_MCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2391 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2392 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2393 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2394 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2395 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2396 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2397 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2398 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2399 case NFA_MCLOSE9: |
| 4444 | 2400 STRCPY(code, "NFA_MCLOSE(x)"); |
| 2401 code[11] = c - NFA_MCLOSE + '0'; | |
| 2402 break; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2403 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2404 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2405 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2406 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2407 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2408 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2409 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2410 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2411 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2412 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2413 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2414 STRCPY(code, "NFA_ZOPEN(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2415 code[10] = c - NFA_ZOPEN + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2416 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2417 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2418 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2419 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2420 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2421 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2422 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2423 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2424 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2425 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2426 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2427 STRCPY(code, "NFA_ZCLOSE(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2428 code[11] = c - NFA_ZCLOSE + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2429 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2430 #endif |
| 4444 | 2431 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
| 2432 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
| 2433 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
| 2434 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
|
2435 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
2436 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
|
2437 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2438 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
|
2439 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
|
2440 case NFA_COL: STRCPY(code, "NFA_COL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2441 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
|
2442 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
|
2443 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2444 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
|
2445 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
|
2446 case NFA_MARK: STRCPY(code, "NFA_MARK "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2447 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
|
2448 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
|
2449 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2450 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break; |
| 5901 | 2451 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
|
2452 |
| 4444 | 2453 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
|
2454 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
|
2455 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2456 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
| 5370 | 2457 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break; |
| 4444 | 2458 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
|
2459 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2460 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
|
2461 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
|
2462 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
|
2463 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
|
2464 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2465 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
|
2466 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
|
2467 |
| 4444 | 2468 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; |
| 2469 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
| 2470 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
| 2471 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
| 2472 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
| 2473 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
| 2474 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
| 2475 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
| 2476 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
| 2477 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
| 2478 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
| 2479 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
| 2480 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
| 2481 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
| 2482 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
| 2483 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break; | |
| 2484 | |
| 2485 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
| 2486 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
| 2487 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
| 2488 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
| 2489 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
| 2490 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
| 2491 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
| 2492 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
| 2493 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
| 2494 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
| 2495 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
| 2496 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
| 2497 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
| 2498 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
| 2499 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
| 2500 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
| 2501 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
| 2502 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
| 2503 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
| 2504 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
| 2505 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
| 2506 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
| 2507 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
| 2508 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
| 2509 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
| 2510 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
| 2511 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
| 5296 | 2512 case NFA_LOWER_IC: STRCPY(code, "NFA_LOWER_IC"); break; |
| 2513 case NFA_NLOWER_IC: STRCPY(code, "NFA_NLOWER_IC"); break; | |
| 2514 case NFA_UPPER_IC: STRCPY(code, "NFA_UPPER_IC"); break; | |
| 2515 case NFA_NUPPER_IC: STRCPY(code, "NFA_NUPPER_IC"); break; | |
| 4444 | 2516 |
| 2517 default: | |
| 2518 STRCPY(code, "CHAR(x)"); | |
| 2519 code[5] = c; | |
| 2520 } | |
| 2521 | |
| 2522 if (addnl == TRUE) | |
| 2523 STRCAT(code, " + NEWLINE "); | |
| 2524 | |
| 2525 } | |
| 2526 | |
| 2527 #ifdef ENABLE_LOG | |
| 2528 static FILE *log_fd; | |
| 2529 | |
| 2530 /* | |
| 2531 * Print the postfix notation of the current regexp. | |
| 2532 */ | |
| 2533 static void | |
| 2534 nfa_postfix_dump(expr, retval) | |
| 2535 char_u *expr; | |
| 2536 int retval; | |
| 2537 { | |
| 2538 int *p; | |
| 2539 FILE *f; | |
| 2540 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2541 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2542 if (f != NULL) |
| 2543 { | |
| 2544 fprintf(f, "\n-------------------------\n"); | |
| 2545 if (retval == FAIL) | |
| 2546 fprintf(f, ">>> NFA engine failed ... \n"); | |
| 2547 else if (retval == OK) | |
| 2548 fprintf(f, ">>> NFA engine succeeded !\n"); | |
| 2549 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
|
2550 for (p = post_start; *p && p < post_ptr; p++) |
| 4444 | 2551 { |
| 2552 nfa_set_code(*p); | |
| 2553 fprintf(f, "%s, ", code); | |
| 2554 } | |
| 2555 fprintf(f, "\"\nPostfix notation (int): "); | |
|
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
2556 for (p = post_start; *p && p < post_ptr; p++) |
| 4444 | 2557 fprintf(f, "%d ", *p); |
| 2558 fprintf(f, "\n\n"); | |
| 2559 fclose(f); | |
| 2560 } | |
| 2561 } | |
| 2562 | |
| 2563 /* | |
| 2564 * Print the NFA starting with a root node "state". | |
| 2565 */ | |
| 2566 static void | |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2567 nfa_print_state(debugf, state) |
| 4444 | 2568 FILE *debugf; |
| 2569 nfa_state_T *state; | |
| 2570 { | |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2571 garray_T indent; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2572 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2573 ga_init2(&indent, 1, 64); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2574 ga_append(&indent, '\0'); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2575 nfa_print_state2(debugf, state, &indent); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2576 ga_clear(&indent); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2577 } |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2578 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2579 static void |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2580 nfa_print_state2(debugf, state, indent) |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2581 FILE *debugf; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2582 nfa_state_T *state; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2583 garray_T *indent; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2584 { |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2585 char_u *p; |
| 4444 | 2586 |
| 2587 if (state == NULL) | |
| 2588 return; | |
| 2589 | |
| 2590 fprintf(debugf, "(%2d)", abs(state->id)); | |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2591 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2592 /* Output indent */ |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2593 p = (char_u *)indent->ga_data; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2594 if (indent->ga_len >= 3) |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2595 { |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2596 int last = indent->ga_len - 3; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2597 char_u save[2]; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2598 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2599 STRNCPY(save, &p[last], 2); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2600 STRNCPY(&p[last], "+-", 2); |
|
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2601 fprintf(debugf, " %s", p); |
|
6a2005efa02b
updated for version 7.3.1014
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4531
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|
2602 STRNCPY(&p[last], save, 2); |
|
6a2005efa02b
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|
2603 } |
|
6a2005efa02b
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|
2604 else |
|
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updated for version 7.3.1014
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diff
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|
2605 fprintf(debugf, " %s", p); |
| 4444 | 2606 |
| 2607 nfa_set_code(state->c); | |
|
4785
3b5a023a4543
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4783
diff
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|
2608 fprintf(debugf, "%s (%d) (id=%d) val=%d\n", |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
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|
2609 code, |
|
c02c7df9bdc9
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diff
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|
2610 state->c, |
|
c02c7df9bdc9
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4772
diff
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|
2611 abs(state->id), |
|
c02c7df9bdc9
updated for version 7.3.1137
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4772
diff
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|
2612 state->val); |
| 4444 | 2613 if (state->id < 0) |
| 2614 return; | |
| 2615 | |
| 2616 state->id = abs(state->id) * -1; | |
|
4533
6a2005efa02b
updated for version 7.3.1014
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|
2617 |
|
6a2005efa02b
updated for version 7.3.1014
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|
2618 /* grow indent for state->out */ |
|
6a2005efa02b
updated for version 7.3.1014
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|
2619 indent->ga_len -= 1; |
|
6a2005efa02b
updated for version 7.3.1014
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|
2620 if (state->out1) |
|
4537
5cc98a5898cf
updated for version 7.3.1016
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4535
diff
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|
2621 ga_concat(indent, (char_u *)"| "); |
|
4533
6a2005efa02b
updated for version 7.3.1014
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|
2622 else |
|
4537
5cc98a5898cf
updated for version 7.3.1016
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4535
diff
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|
2623 ga_concat(indent, (char_u *)" "); |
|
4533
6a2005efa02b
updated for version 7.3.1014
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|
2624 ga_append(indent, '\0'); |
|
6a2005efa02b
updated for version 7.3.1014
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|
2625 |
|
6a2005efa02b
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|
2626 nfa_print_state2(debugf, state->out, indent); |
|
6a2005efa02b
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|
2627 |
|
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2628 /* replace last part of indent for state->out1 */ |
|
6a2005efa02b
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|
2629 indent->ga_len -= 3; |
|
4537
5cc98a5898cf
updated for version 7.3.1016
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|
2630 ga_concat(indent, (char_u *)" "); |
|
4533
6a2005efa02b
updated for version 7.3.1014
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|
2631 ga_append(indent, '\0'); |
|
6a2005efa02b
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|
2632 |
|
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2633 nfa_print_state2(debugf, state->out1, indent); |
|
6a2005efa02b
updated for version 7.3.1014
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|
2634 |
|
6a2005efa02b
updated for version 7.3.1014
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|
2635 /* shrink indent */ |
|
6a2005efa02b
updated for version 7.3.1014
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|
2636 indent->ga_len -= 3; |
|
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2637 ga_append(indent, '\0'); |
| 4444 | 2638 } |
| 2639 | |
| 2640 /* | |
| 2641 * Print the NFA state machine. | |
| 2642 */ | |
| 2643 static void | |
| 2644 nfa_dump(prog) | |
| 2645 nfa_regprog_T *prog; | |
| 2646 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
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diff
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|
2647 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2648 |
| 2649 if (debugf != NULL) | |
| 2650 { | |
|
4533
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2651 nfa_print_state(debugf, prog->start); |
|
4772
03375ccf28a2
updated for version 7.3.1133
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|
2652 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
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4801
diff
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|
2653 if (prog->reganch) |
|
66803af09906
updated for version 7.3.1149
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4801
diff
changeset
|
2654 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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|
2655 if (prog->regstart != NUL) |
|
66803af09906
updated for version 7.3.1149
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4801
diff
changeset
|
2656 fprintf(debugf, "regstart: %c (decimal: %d)\n", |
|
66803af09906
updated for version 7.3.1149
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parents:
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|
2657 prog->regstart, prog->regstart); |
|
66803af09906
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4801
diff
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|
2658 if (prog->match_text != NULL) |
|
66803af09906
updated for version 7.3.1149
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4801
diff
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|
2659 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text); |
|
4772
03375ccf28a2
updated for version 7.3.1133
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4770
diff
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|
2660 |
| 4444 | 2661 fclose(debugf); |
| 2662 } | |
| 2663 } | |
| 2664 #endif /* ENABLE_LOG */ | |
| 2665 #endif /* DEBUG */ | |
| 2666 | |
| 2667 /* | |
| 2668 * Parse r.e. @expr and convert it into postfix form. | |
| 2669 * Return the postfix string on success, NULL otherwise. | |
| 2670 */ | |
| 2671 static int * | |
| 2672 re2post() | |
| 2673 { | |
| 2674 if (nfa_reg(REG_NOPAREN) == FAIL) | |
| 2675 return NULL; | |
| 2676 EMIT(NFA_MOPEN); | |
| 2677 return post_start; | |
| 2678 } | |
| 2679 | |
| 2680 /* NB. Some of the code below is inspired by Russ's. */ | |
| 2681 | |
| 2682 /* | |
| 2683 * Represents an NFA state plus zero or one or two arrows exiting. | |
| 2684 * if c == MATCH, no arrows out; matching state. | |
| 2685 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
| 2686 * If c < 256, labeled arrow with character c to out. | |
| 2687 */ | |
| 2688 | |
| 2689 static nfa_state_T *state_ptr; /* points to nfa_prog->state */ | |
| 2690 | |
| 2691 /* | |
| 2692 * Allocate and initialize nfa_state_T. | |
| 2693 */ | |
| 2694 static nfa_state_T * | |
|
4696
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updated for version 7.3.1095
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4694
diff
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|
2695 alloc_state(c, out, out1) |
| 4444 | 2696 int c; |
| 2697 nfa_state_T *out; | |
| 2698 nfa_state_T *out1; | |
| 2699 { | |
| 2700 nfa_state_T *s; | |
| 2701 | |
| 2702 if (istate >= nstate) | |
| 2703 return NULL; | |
| 2704 | |
| 2705 s = &state_ptr[istate++]; | |
| 2706 | |
| 2707 s->c = c; | |
| 2708 s->out = out; | |
| 2709 s->out1 = out1; | |
|
4781
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diff
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|
2710 s->val = 0; |
| 4444 | 2711 |
| 2712 s->id = istate; | |
|
4718
ec72bb4a0fc2
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4716
diff
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|
2713 s->lastlist[0] = 0; |
|
ec72bb4a0fc2
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4716
diff
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|
2714 s->lastlist[1] = 0; |
| 4444 | 2715 |
| 2716 return s; | |
| 2717 } | |
| 2718 | |
| 2719 /* | |
| 2720 * A partially built NFA without the matching state filled in. | |
| 2721 * Frag_T.start points at the start state. | |
| 2722 * Frag_T.out is a list of places that need to be set to the | |
| 2723 * next state for this fragment. | |
| 2724 */ | |
|
4555
b2946c06d1b6
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|
2725 |
|
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|
2726 /* Since the out pointers in the list are always |
|
b2946c06d1b6
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4553
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|
2727 * uninitialized, we use the pointers themselves |
|
b2946c06d1b6
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diff
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|
2728 * as storage for the Ptrlists. */ |
| 4444 | 2729 typedef union Ptrlist Ptrlist; |
|
4555
b2946c06d1b6
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|
2730 union Ptrlist |
|
b2946c06d1b6
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diff
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|
2731 { |
|
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diff
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|
2732 Ptrlist *next; |
|
b2946c06d1b6
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4553
diff
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|
2733 nfa_state_T *s; |
|
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|
2734 }; |
|
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|
2735 |
| 4444 | 2736 struct Frag |
| 2737 { | |
|
4555
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4553
diff
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|
2738 nfa_state_T *start; |
| 4444 | 2739 Ptrlist *out; |
| 2740 }; | |
| 2741 typedef struct Frag Frag_T; | |
| 2742 | |
| 2743 static Frag_T frag __ARGS((nfa_state_T *start, Ptrlist *out)); | |
| 2744 static Ptrlist *list1 __ARGS((nfa_state_T **outp)); | |
| 2745 static void patch __ARGS((Ptrlist *l, nfa_state_T *s)); | |
| 2746 static Ptrlist *append __ARGS((Ptrlist *l1, Ptrlist *l2)); | |
| 2747 static void st_push __ARGS((Frag_T s, Frag_T **p, Frag_T *stack_end)); | |
| 2748 static Frag_T st_pop __ARGS((Frag_T **p, Frag_T *stack)); | |
| 2749 | |
| 2750 /* | |
| 4456 | 2751 * Initialize a Frag_T struct and return it. |
| 4444 | 2752 */ |
| 2753 static Frag_T | |
| 2754 frag(start, out) | |
| 2755 nfa_state_T *start; | |
| 2756 Ptrlist *out; | |
| 2757 { | |
| 4456 | 2758 Frag_T n; |
| 2759 | |
| 2760 n.start = start; | |
| 2761 n.out = out; | |
| 4444 | 2762 return n; |
| 2763 } | |
| 2764 | |
| 2765 /* | |
| 2766 * Create singleton list containing just outp. | |
| 2767 */ | |
| 2768 static Ptrlist * | |
| 2769 list1(outp) | |
| 2770 nfa_state_T **outp; | |
| 2771 { | |
| 2772 Ptrlist *l; | |
| 2773 | |
| 2774 l = (Ptrlist *)outp; | |
| 2775 l->next = NULL; | |
| 2776 return l; | |
| 2777 } | |
| 2778 | |
| 2779 /* | |
| 2780 * Patch the list of states at out to point to start. | |
| 2781 */ | |
| 2782 static void | |
| 2783 patch(l, s) | |
| 2784 Ptrlist *l; | |
| 2785 nfa_state_T *s; | |
| 2786 { | |
| 2787 Ptrlist *next; | |
| 2788 | |
| 2789 for (; l; l = next) | |
| 2790 { | |
| 2791 next = l->next; | |
| 2792 l->s = s; | |
| 2793 } | |
| 2794 } | |
| 2795 | |
| 2796 | |
| 2797 /* | |
| 2798 * Join the two lists l1 and l2, returning the combination. | |
| 2799 */ | |
| 2800 static Ptrlist * | |
| 2801 append(l1, l2) | |
| 2802 Ptrlist *l1; | |
| 2803 Ptrlist *l2; | |
| 2804 { | |
| 2805 Ptrlist *oldl1; | |
| 2806 | |
| 2807 oldl1 = l1; | |
| 2808 while (l1->next) | |
| 2809 l1 = l1->next; | |
| 2810 l1->next = l2; | |
| 2811 return oldl1; | |
| 2812 } | |
| 2813 | |
| 2814 /* | |
| 2815 * Stack used for transforming postfix form into NFA. | |
| 2816 */ | |
| 2817 static Frag_T empty; | |
| 2818 | |
| 2819 static void | |
| 2820 st_error(postfix, end, p) | |
|
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|
2821 int *postfix UNUSED; |
|
1be43c095aff
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diff
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|
2822 int *end UNUSED; |
|
1be43c095aff
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|
2823 int *p UNUSED; |
| 4444 | 2824 { |
|
4531
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|
2825 #ifdef NFA_REGEXP_ERROR_LOG |
| 4444 | 2826 FILE *df; |
| 2827 int *p2; | |
| 2828 | |
|
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|
2829 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
| 4444 | 2830 if (df) |
| 2831 { | |
| 2832 fprintf(df, "Error popping the stack!\n"); | |
| 2833 #ifdef DEBUG | |
| 2834 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr); | |
| 2835 #endif | |
| 2836 fprintf(df, "Postfix form is: "); | |
| 2837 #ifdef DEBUG | |
| 2838 for (p2 = postfix; p2 < end; p2++) | |
| 2839 { | |
| 2840 nfa_set_code(*p2); | |
| 2841 fprintf(df, "%s, ", code); | |
| 2842 } | |
| 2843 nfa_set_code(*p); | |
| 2844 fprintf(df, "\nCurrent position is: "); | |
| 2845 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2846 { | |
| 2847 nfa_set_code(*p2); | |
| 2848 fprintf(df, "%s, ", code); | |
| 2849 } | |
| 2850 #else | |
| 2851 for (p2 = postfix; p2 < end; p2++) | |
| 2852 { | |
| 2853 fprintf(df, "%d, ", *p2); | |
| 2854 } | |
| 2855 fprintf(df, "\nCurrent position is: "); | |
| 2856 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2857 { | |
| 2858 fprintf(df, "%d, ", *p2); | |
| 2859 } | |
| 2860 #endif | |
| 2861 fprintf(df, "\n--------------------------\n"); | |
| 2862 fclose(df); | |
| 2863 } | |
|
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changeset
|
2864 #endif |
| 4444 | 2865 EMSG(_("E874: (NFA) Could not pop the stack !")); |
| 2866 } | |
| 2867 | |
| 2868 /* | |
| 2869 * Push an item onto the stack. | |
| 2870 */ | |
| 2871 static void | |
| 2872 st_push(s, p, stack_end) | |
| 2873 Frag_T s; | |
| 2874 Frag_T **p; | |
| 2875 Frag_T *stack_end; | |
| 2876 { | |
| 2877 Frag_T *stackp = *p; | |
| 2878 | |
| 2879 if (stackp >= stack_end) | |
| 2880 return; | |
| 2881 *stackp = s; | |
| 2882 *p = *p + 1; | |
| 2883 } | |
| 2884 | |
| 2885 /* | |
| 2886 * Pop an item from the stack. | |
| 2887 */ | |
| 2888 static Frag_T | |
| 2889 st_pop(p, stack) | |
| 2890 Frag_T **p; | |
| 2891 Frag_T *stack; | |
| 2892 { | |
| 2893 Frag_T *stackp; | |
| 2894 | |
| 2895 *p = *p - 1; | |
| 2896 stackp = *p; | |
| 2897 if (stackp < stack) | |
| 2898 return empty; | |
| 2899 return **p; | |
| 2900 } | |
| 2901 | |
| 2902 /* | |
|
4807
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|
2903 * Estimate the maximum byte length of anything matching "state". |
|
3dbd251777de
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|
2904 * When unknown or unlimited return -1. |
|
3dbd251777de
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|
2905 */ |
|
3dbd251777de
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|
2906 static int |
|
3dbd251777de
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diff
changeset
|
2907 nfa_max_width(startstate, depth) |
|
3dbd251777de
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|
2908 nfa_state_T *startstate; |
|
3dbd251777de
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|
2909 int depth; |
|
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|
2910 { |
|
3dbd251777de
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parents:
4805
diff
changeset
|
2911 int l, r; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2912 nfa_state_T *state = startstate; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2913 int len = 0; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2914 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2915 /* detect looping in a NFA_SPLIT */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2916 if (depth > 4) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2917 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2918 |
|
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4944
diff
changeset
|
2919 while (state != NULL) |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2920 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2921 switch (state->c) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2922 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2923 case NFA_END_INVISIBLE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2924 case NFA_END_INVISIBLE_NEG: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2925 /* the end, return what we have */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2926 return len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2927 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2928 case NFA_SPLIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2929 /* two alternatives, use the maximum */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2930 l = nfa_max_width(state->out, depth + 1); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2931 r = nfa_max_width(state->out1, depth + 1); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2932 if (l < 0 || r < 0) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2933 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2934 return len + (l > r ? l : r); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2935 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2936 case NFA_ANY: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2937 case NFA_START_COLL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2938 case NFA_START_NEG_COLL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2939 /* matches some character, including composing chars */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2940 #ifdef FEAT_MBYTE |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2941 if (enc_utf8) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2942 len += MB_MAXBYTES; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2943 else if (has_mbyte) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2944 len += 2; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2945 else |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2946 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2947 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2948 if (state->c != NFA_ANY) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2949 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2950 /* skip over the characters */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2951 state = state->out1->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2952 continue; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2953 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2954 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2955 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2956 case NFA_DIGIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2957 case NFA_WHITE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2958 case NFA_HEX: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2959 case NFA_OCTAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2960 /* ascii */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2961 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2962 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2963 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2964 case NFA_IDENT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2965 case NFA_SIDENT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2966 case NFA_KWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2967 case NFA_SKWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2968 case NFA_FNAME: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2969 case NFA_SFNAME: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2970 case NFA_PRINT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2971 case NFA_SPRINT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2972 case NFA_NWHITE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2973 case NFA_NDIGIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2974 case NFA_NHEX: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2975 case NFA_NOCTAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2976 case NFA_WORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2977 case NFA_NWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2978 case NFA_HEAD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2979 case NFA_NHEAD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2980 case NFA_ALPHA: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2981 case NFA_NALPHA: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2982 case NFA_LOWER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2983 case NFA_NLOWER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2984 case NFA_UPPER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2985 case NFA_NUPPER: |
| 5296 | 2986 case NFA_LOWER_IC: |
| 2987 case NFA_NLOWER_IC: | |
| 2988 case NFA_UPPER_IC: | |
| 2989 case NFA_NUPPER_IC: | |
| 5901 | 2990 case NFA_ANY_COMPOSING: |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2991 /* possibly non-ascii */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2992 #ifdef FEAT_MBYTE |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2993 if (has_mbyte) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2994 len += 3; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2995 else |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2996 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2997 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2998 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2999 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3000 case NFA_START_INVISIBLE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3001 case NFA_START_INVISIBLE_NEG: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3002 case NFA_START_INVISIBLE_BEFORE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3003 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3004 /* zero-width, out1 points to the END state */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3005 state = state->out1->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3006 continue; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3007 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3008 case NFA_BACKREF1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3009 case NFA_BACKREF2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3010 case NFA_BACKREF3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3011 case NFA_BACKREF4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3012 case NFA_BACKREF5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3013 case NFA_BACKREF6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3014 case NFA_BACKREF7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3015 case NFA_BACKREF8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3016 case NFA_BACKREF9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3017 #ifdef FEAT_SYN_HL |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3018 case NFA_ZREF1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3019 case NFA_ZREF2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3020 case NFA_ZREF3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3021 case NFA_ZREF4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3022 case NFA_ZREF5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3023 case NFA_ZREF6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3024 case NFA_ZREF7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3025 case NFA_ZREF8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3026 case NFA_ZREF9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3027 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3028 case NFA_NEWL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3029 case NFA_SKIP: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3030 /* unknown width */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3031 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3032 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3033 case NFA_BOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3034 case NFA_EOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3035 case NFA_BOF: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3036 case NFA_EOF: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3037 case NFA_BOW: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3038 case NFA_EOW: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3039 case NFA_MOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3040 case NFA_MOPEN1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3041 case NFA_MOPEN2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3042 case NFA_MOPEN3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3043 case NFA_MOPEN4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3044 case NFA_MOPEN5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3045 case NFA_MOPEN6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3046 case NFA_MOPEN7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3047 case NFA_MOPEN8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3048 case NFA_MOPEN9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3049 #ifdef FEAT_SYN_HL |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3050 case NFA_ZOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3051 case NFA_ZOPEN1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3052 case NFA_ZOPEN2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3053 case NFA_ZOPEN3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3054 case NFA_ZOPEN4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3055 case NFA_ZOPEN5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3056 case NFA_ZOPEN6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3057 case NFA_ZOPEN7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3058 case NFA_ZOPEN8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3059 case NFA_ZOPEN9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3060 case NFA_ZCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3061 case NFA_ZCLOSE1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3062 case NFA_ZCLOSE2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3063 case NFA_ZCLOSE3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3064 case NFA_ZCLOSE4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3065 case NFA_ZCLOSE5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3066 case NFA_ZCLOSE6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3067 case NFA_ZCLOSE7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3068 case NFA_ZCLOSE8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3069 case NFA_ZCLOSE9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3070 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3071 case NFA_MCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3072 case NFA_MCLOSE1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3073 case NFA_MCLOSE2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3074 case NFA_MCLOSE3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3075 case NFA_MCLOSE4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3076 case NFA_MCLOSE5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3077 case NFA_MCLOSE6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3078 case NFA_MCLOSE7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3079 case NFA_MCLOSE8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3080 case NFA_MCLOSE9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3081 case NFA_NOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3082 case NFA_NCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3083 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3084 case NFA_LNUM_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3085 case NFA_LNUM_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3086 case NFA_COL_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3087 case NFA_COL_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3088 case NFA_VCOL_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3089 case NFA_VCOL_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3090 case NFA_MARK_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3091 case NFA_MARK_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3092 case NFA_VISUAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3093 case NFA_LNUM: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3094 case NFA_CURSOR: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3095 case NFA_COL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3096 case NFA_VCOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3097 case NFA_MARK: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3098 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3099 case NFA_ZSTART: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3100 case NFA_ZEND: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3101 case NFA_OPT_CHARS: |
| 5370 | 3102 case NFA_EMPTY: |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3103 case NFA_START_PATTERN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3104 case NFA_END_PATTERN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3105 case NFA_COMPOSING: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3106 case NFA_END_COMPOSING: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3107 /* zero-width */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3108 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3109 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3110 default: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3111 if (state->c < 0) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3112 /* don't know what this is */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3113 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3114 /* normal character */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3115 len += MB_CHAR2LEN(state->c); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3116 break; |
|
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 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3119 /* normal way to continue */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3120 state = state->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3121 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3122 |
|
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4944
diff
changeset
|
3123 /* unrecognized, "cannot happen" */ |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3124 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3125 } |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3126 |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3127 /* |
| 4444 | 3128 * Convert a postfix form into its equivalent NFA. |
| 3129 * Return the NFA start state on success, NULL otherwise. | |
| 3130 */ | |
| 3131 static nfa_state_T * | |
| 3132 post2nfa(postfix, end, nfa_calc_size) | |
| 3133 int *postfix; | |
| 3134 int *end; | |
| 3135 int nfa_calc_size; | |
| 3136 { | |
| 3137 int *p; | |
| 3138 int mopen; | |
| 3139 int mclose; | |
| 3140 Frag_T *stack = NULL; | |
| 3141 Frag_T *stackp = NULL; | |
| 3142 Frag_T *stack_end = NULL; | |
| 3143 Frag_T e1; | |
| 3144 Frag_T e2; | |
| 3145 Frag_T e; | |
| 3146 nfa_state_T *s; | |
| 3147 nfa_state_T *s1; | |
| 3148 nfa_state_T *matchstate; | |
| 4484 | 3149 nfa_state_T *ret = NULL; |
| 4444 | 3150 |
| 3151 if (postfix == NULL) | |
| 3152 return NULL; | |
| 3153 | |
| 4456 | 3154 #define PUSH(s) st_push((s), &stackp, stack_end) |
| 4444 | 3155 #define POP() st_pop(&stackp, stack); \ |
| 3156 if (stackp < stack) \ | |
| 3157 { \ | |
| 3158 st_error(postfix, end, p); \ | |
| 6747 | 3159 vim_free(stack); \ |
| 4444 | 3160 return NULL; \ |
| 3161 } | |
| 3162 | |
| 3163 if (nfa_calc_size == FALSE) | |
| 3164 { | |
| 3165 /* 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
|
3166 stack = (Frag_T *)lalloc((nstate + 1) * sizeof(Frag_T), TRUE); |
| 4444 | 3167 stackp = stack; |
| 4462 | 3168 stack_end = stack + (nstate + 1); |
| 4444 | 3169 } |
| 3170 | |
| 3171 for (p = postfix; p < end; ++p) | |
| 3172 { | |
| 3173 switch (*p) | |
| 3174 { | |
| 3175 case NFA_CONCAT: | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3176 /* Concatenation. |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3177 * 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
|
3178 * (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
|
3179 * to postfix form in re2post(). */ |
| 4444 | 3180 if (nfa_calc_size == TRUE) |
| 3181 { | |
| 4458 | 3182 /* nstate += 0; */ |
| 4444 | 3183 break; |
| 3184 } | |
| 3185 e2 = POP(); | |
| 3186 e1 = POP(); | |
| 3187 patch(e1.out, e2.start); | |
| 3188 PUSH(frag(e1.start, e2.out)); | |
| 3189 break; | |
| 3190 | |
| 3191 case NFA_OR: | |
| 3192 /* Alternation */ | |
| 3193 if (nfa_calc_size == TRUE) | |
| 3194 { | |
| 4458 | 3195 nstate++; |
| 4444 | 3196 break; |
| 3197 } | |
| 3198 e2 = POP(); | |
| 3199 e1 = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3200 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
| 4444 | 3201 if (s == NULL) |
| 4484 | 3202 goto theend; |
| 4444 | 3203 PUSH(frag(s, append(e1.out, e2.out))); |
| 3204 break; | |
| 3205 | |
| 3206 case NFA_STAR: | |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3207 /* Zero or more, prefer more */ |
| 4444 | 3208 if (nfa_calc_size == TRUE) |
| 3209 { | |
| 4458 | 3210 nstate++; |
| 4444 | 3211 break; |
| 3212 } | |
| 3213 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3214 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 3215 if (s == NULL) |
| 4484 | 3216 goto theend; |
| 4444 | 3217 patch(e.out, s); |
| 3218 PUSH(frag(s, list1(&s->out1))); | |
| 3219 break; | |
| 3220 | |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3221 case NFA_STAR_NONGREEDY: |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3222 /* Zero or more, prefer zero */ |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3223 if (nfa_calc_size == TRUE) |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3224 { |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3225 nstate++; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3226 break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3227 } |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3228 e = POP(); |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3229 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
|
3230 if (s == NULL) |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3231 goto theend; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3232 patch(e.out, s); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3233 PUSH(frag(s, list1(&s->out))); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3234 break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3235 |
| 4444 | 3236 case NFA_QUEST: |
| 3237 /* one or zero atoms=> greedy match */ | |
| 3238 if (nfa_calc_size == TRUE) | |
| 3239 { | |
| 4458 | 3240 nstate++; |
| 4444 | 3241 break; |
| 3242 } | |
| 3243 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3244 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 3245 if (s == NULL) |
| 4484 | 3246 goto theend; |
| 4444 | 3247 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
| 3248 break; | |
| 3249 | |
| 3250 case NFA_QUEST_NONGREEDY: | |
| 3251 /* zero or one atoms => non-greedy match */ | |
| 3252 if (nfa_calc_size == TRUE) | |
| 3253 { | |
| 4458 | 3254 nstate++; |
| 4444 | 3255 break; |
| 3256 } | |
| 3257 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3258 s = alloc_state(NFA_SPLIT, NULL, e.start); |
| 4444 | 3259 if (s == NULL) |
| 4484 | 3260 goto theend; |
| 4444 | 3261 PUSH(frag(s, append(e.out, list1(&s->out)))); |
| 3262 break; | |
| 3263 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3264 case NFA_END_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3265 case NFA_END_NEG_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3266 /* 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
|
3267 * 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
|
3268 * add the output to the start. */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3269 if (nfa_calc_size == TRUE) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3270 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3271 nstate++; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3272 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3273 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3274 e = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3275 s = alloc_state(NFA_END_COLL, NULL, NULL); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3276 if (s == NULL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3277 goto theend; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3278 patch(e.out, s); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3279 e.start->out1 = s; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3280 PUSH(frag(e.start, list1(&s->out))); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3281 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3282 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3283 case NFA_RANGE: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3284 /* 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
|
3285 * 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
|
3286 if (nfa_calc_size == TRUE) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3287 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3288 /* nstate += 0; */ |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3289 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3290 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3291 e2 = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3292 e1 = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3293 e2.start->val = e2.start->c; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3294 e2.start->c = NFA_RANGE_MAX; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3295 e1.start->val = e1.start->c; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3296 e1.start->c = NFA_RANGE_MIN; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3297 patch(e1.out, e2.start); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3298 PUSH(frag(e1.start, e2.out)); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3299 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3300 |
| 5370 | 3301 case NFA_EMPTY: |
| 3302 /* 0-length, used in a repetition with max/min count of 0 */ | |
| 4444 | 3303 if (nfa_calc_size == TRUE) |
| 3304 { | |
| 4458 | 3305 nstate++; |
| 4444 | 3306 break; |
| 3307 } | |
| 5370 | 3308 s = alloc_state(NFA_EMPTY, NULL, NULL); |
| 4444 | 3309 if (s == NULL) |
| 4484 | 3310 goto theend; |
| 4444 | 3311 PUSH(frag(s, list1(&s->out))); |
| 3312 break; | |
| 3313 | |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3314 case NFA_OPT_CHARS: |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3315 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3316 int n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3317 |
|
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3318 /* \%[abc] implemented as: |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3319 * NFA_SPLIT |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3320 * +-CHAR(a) |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3321 * | +-NFA_SPLIT |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3322 * | +-CHAR(b) |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3323 * | | +-NFA_SPLIT |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3324 * | | +-CHAR(c) |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3325 * | | | +-next |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3326 * | | +- next |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3327 * | +- next |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3328 * +- next |
|
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
3329 */ |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3330 n = *++p; /* get number of characters */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3331 if (nfa_calc_size == TRUE) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3332 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3333 nstate += n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3334 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3335 } |
|
4758
b25a1b2e3175
updated for version 7.3.1126
Bram Moolenaar <bram@vim.org>
parents:
4756
diff
changeset
|
3336 s = NULL; /* avoid compiler warning */ |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3337 e1.out = NULL; /* stores list with out1's */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3338 s1 = NULL; /* previous NFA_SPLIT to connect to */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3339 while (n-- > 0) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3340 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3341 e = POP(); /* get character */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3342 s = alloc_state(NFA_SPLIT, e.start, NULL); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3343 if (s == NULL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3344 goto theend; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3345 if (e1.out == NULL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3346 e1 = e; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3347 patch(e.out, s1); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3348 append(e1.out, list1(&s->out1)); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3349 s1 = s; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3350 } |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3351 PUSH(frag(s, e1.out)); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3352 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3353 } |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3354 |
| 4444 | 3355 case NFA_PREV_ATOM_NO_WIDTH: |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3356 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3357 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3358 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3359 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3360 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3361 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3362 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3363 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
|
3364 int start_state; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3365 int end_state; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3366 int n = 0; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3367 nfa_state_T *zend; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3368 nfa_state_T *skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3369 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3370 switch (*p) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3371 { |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3372 case NFA_PREV_ATOM_NO_WIDTH: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3373 start_state = NFA_START_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3374 end_state = NFA_END_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3375 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3376 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3377 start_state = NFA_START_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3378 end_state = NFA_END_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3379 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3380 case NFA_PREV_ATOM_JUST_BEFORE: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3381 start_state = NFA_START_INVISIBLE_BEFORE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3382 end_state = NFA_END_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3383 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3384 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3385 start_state = NFA_START_INVISIBLE_BEFORE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3386 end_state = NFA_END_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3387 break; |
|
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
3388 default: /* NFA_PREV_ATOM_LIKE_PATTERN: */ |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3389 start_state = NFA_START_PATTERN; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3390 end_state = NFA_END_PATTERN; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3391 break; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3392 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3393 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3394 if (before) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3395 n = *++p; /* get the count */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3396 |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
3397 /* 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
|
3398 * 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
|
3399 * The \@<= operator: match for the preceding atom. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3400 * The \@<! operator: no match for the preceding atom. |
| 4444 | 3401 * 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
|
3402 * END_INVISIBLE, similarly to MOPEN. */ |
| 4444 | 3403 |
| 3404 if (nfa_calc_size == TRUE) | |
| 3405 { | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3406 nstate += pattern ? 4 : 2; |
| 4444 | 3407 break; |
| 3408 } | |
| 3409 e = POP(); | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3410 s1 = alloc_state(end_state, NULL, NULL); |
| 4444 | 3411 if (s1 == NULL) |
| 4484 | 3412 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3413 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3414 s = alloc_state(start_state, e.start, s1); |
| 4444 | 3415 if (s == NULL) |
| 4484 | 3416 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3417 if (pattern) |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3418 { |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3419 /* 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
|
3420 skip = alloc_state(NFA_SKIP, NULL, NULL); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3421 zend = alloc_state(NFA_ZEND, s1, NULL); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3422 s1->out= skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3423 patch(e.out, zend); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3424 PUSH(frag(s, list1(&skip->out))); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3425 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3426 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3427 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3428 patch(e.out, s1); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3429 PUSH(frag(s, list1(&s1->out))); |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3430 if (before) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3431 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3432 if (n <= 0) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3433 /* 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
|
3434 * lot of pointless tries. */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3435 n = nfa_max_width(e.start, 0); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3436 s->val = n; /* store the count */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3437 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3438 } |
| 4444 | 3439 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3440 } |
| 4444 | 3441 |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3442 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3443 case NFA_COMPOSING: /* char with composing char */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3444 #if 0 |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3445 /* TODO */ |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3446 if (regflags & RF_ICOMBINE) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3447 { |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
3448 /* use the base character only */ |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3449 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3450 #endif |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3451 /* FALLTHROUGH */ |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3452 #endif |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3453 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3454 case NFA_MOPEN: /* \( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3455 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3456 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3457 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3458 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3459 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3460 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3461 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3462 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3463 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3464 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3465 case NFA_ZOPEN: /* \z( \) Submatch */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3466 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3467 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3468 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3469 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3470 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3471 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3472 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3473 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3474 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3475 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3476 case NFA_NOPEN: /* \%( \) "Invisible Submatch" */ |
| 4444 | 3477 if (nfa_calc_size == TRUE) |
| 3478 { | |
| 3479 nstate += 2; | |
| 3480 break; | |
| 3481 } | |
| 3482 | |
| 3483 mopen = *p; | |
| 3484 switch (*p) | |
| 3485 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3486 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3487 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3488 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3489 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3490 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3491 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3492 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3493 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3494 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3495 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3496 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3497 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3498 #endif |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3499 #ifdef FEAT_MBYTE |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3500 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
|
3501 #endif |
| 4444 | 3502 default: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3503 /* NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 */ |
| 4444 | 3504 mclose = *p + NSUBEXP; |
| 3505 break; | |
| 3506 } | |
| 3507 | |
| 3508 /* Allow "NFA_MOPEN" as a valid postfix representation for | |
| 3509 * the empty regexp "". In this case, the NFA will be | |
| 3510 * NFA_MOPEN -> NFA_MCLOSE. Note that this also allows | |
| 3511 * empty groups of parenthesis, and empty mbyte chars */ | |
| 3512 if (stackp == stack) | |
| 3513 { | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3514 s = alloc_state(mopen, NULL, NULL); |
| 4444 | 3515 if (s == NULL) |
| 4484 | 3516 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3517 s1 = alloc_state(mclose, NULL, NULL); |
| 4444 | 3518 if (s1 == NULL) |
| 4484 | 3519 goto theend; |
| 4444 | 3520 patch(list1(&s->out), s1); |
| 3521 PUSH(frag(s, list1(&s1->out))); | |
| 3522 break; | |
| 3523 } | |
| 3524 | |
| 3525 /* At least one node was emitted before NFA_MOPEN, so | |
| 3526 * at least one node will be between NFA_MOPEN and NFA_MCLOSE */ | |
| 3527 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3528 s = alloc_state(mopen, e.start, NULL); /* `(' */ |
| 4444 | 3529 if (s == NULL) |
| 4484 | 3530 goto theend; |
| 4444 | 3531 |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3532 s1 = alloc_state(mclose, NULL, NULL); /* `)' */ |
| 4444 | 3533 if (s1 == NULL) |
| 4484 | 3534 goto theend; |
| 4444 | 3535 patch(e.out, s1); |
| 3536 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3537 #ifdef FEAT_MBYTE |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3538 if (mopen == NFA_COMPOSING) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3539 /* COMPOSING->out1 = END_COMPOSING */ |
| 4444 | 3540 patch(list1(&s->out1), s1); |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
3541 #endif |
| 4444 | 3542 |
| 3543 PUSH(frag(s, list1(&s1->out))); | |
| 3544 break; | |
| 3545 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3546 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3547 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3548 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3549 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3550 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3551 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3552 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3553 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3554 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3555 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3556 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3557 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3558 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3559 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3560 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3561 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3562 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3563 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3564 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3565 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3566 if (nfa_calc_size == TRUE) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3567 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3568 nstate += 2; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3569 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3570 } |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3571 s = alloc_state(*p, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3572 if (s == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3573 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3574 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3575 if (s1 == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3576 goto theend; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3577 patch(list1(&s->out), s1); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3578 PUSH(frag(s, list1(&s1->out))); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3579 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3580 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3581 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3582 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3583 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3584 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3585 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3586 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3587 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3588 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3589 case NFA_COL_LT: |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3590 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3591 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3592 case NFA_MARK_LT: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3593 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3594 int n = *++p; /* lnum, col or mark name */ |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3595 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3596 if (nfa_calc_size == TRUE) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3597 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3598 nstate += 1; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3599 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3600 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3601 s = alloc_state(p[-1], NULL, NULL); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3602 if (s == NULL) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3603 goto theend; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3604 s->val = n; |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3605 PUSH(frag(s, list1(&s->out))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3606 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3607 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3608 |
| 4444 | 3609 case NFA_ZSTART: |
| 3610 case NFA_ZEND: | |
| 3611 default: | |
| 3612 /* Operands */ | |
| 3613 if (nfa_calc_size == TRUE) | |
| 3614 { | |
| 4458 | 3615 nstate++; |
| 4444 | 3616 break; |
| 3617 } | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3618 s = alloc_state(*p, NULL, NULL); |
| 4444 | 3619 if (s == NULL) |
| 4484 | 3620 goto theend; |
| 4444 | 3621 PUSH(frag(s, list1(&s->out))); |
| 3622 break; | |
| 3623 | |
| 3624 } /* switch(*p) */ | |
| 3625 | |
| 3626 } /* for(p = postfix; *p; ++p) */ | |
| 3627 | |
| 3628 if (nfa_calc_size == TRUE) | |
| 3629 { | |
| 4458 | 3630 nstate++; |
| 4484 | 3631 goto theend; /* Return value when counting size is ignored anyway */ |
| 4444 | 3632 } |
| 3633 | |
| 3634 e = POP(); | |
| 3635 if (stackp != stack) | |
| 6747 | 3636 { |
| 3637 vim_free(stack); | |
| 4444 | 3638 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); |
| 6747 | 3639 } |
| 4444 | 3640 |
| 3641 if (istate >= nstate) | |
| 6747 | 3642 { |
| 3643 vim_free(stack); | |
| 4444 | 3644 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); |
| 6747 | 3645 } |
| 4444 | 3646 |
| 3647 matchstate = &state_ptr[istate++]; /* the match state */ | |
| 3648 matchstate->c = NFA_MATCH; | |
| 3649 matchstate->out = matchstate->out1 = NULL; | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3650 matchstate->id = 0; |
| 4444 | 3651 |
| 3652 patch(e.out, matchstate); | |
| 4484 | 3653 ret = e.start; |
| 3654 | |
| 3655 theend: | |
| 3656 vim_free(stack); | |
| 3657 return ret; | |
| 4444 | 3658 |
| 3659 #undef POP1 | |
| 3660 #undef PUSH1 | |
| 3661 #undef POP2 | |
| 3662 #undef PUSH2 | |
| 3663 #undef POP | |
| 3664 #undef PUSH | |
| 3665 } | |
| 3666 | |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3667 /* |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3668 * 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
|
3669 */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3670 static void |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3671 nfa_postprocess(prog) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3672 nfa_regprog_T *prog; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3673 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3674 int i; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3675 int c; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3676 |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3677 for (i = 0; i < prog->nstate; ++i) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3678 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3679 c = prog->state[i].c; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3680 if (c == NFA_START_INVISIBLE |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3681 || c == NFA_START_INVISIBLE_NEG |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3682 || c == NFA_START_INVISIBLE_BEFORE |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3683 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3684 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3685 int directly; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3686 |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3687 /* 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
|
3688 * match. */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3689 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
|
3690 directly = TRUE; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3691 else |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3692 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3693 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
|
3694 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
|
3695 |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3696 /* 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
|
3697 * lower chance of failing. */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3698 if (c == NFA_START_INVISIBLE_BEFORE |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3699 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3700 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3701 /* "before" matches are very expensive when |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3702 * unbounded, always prefer what follows then, |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3703 * unless what follows will always match. |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3704 * Otherwise strongly prefer what follows. */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3705 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
|
3706 directly = FALSE; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3707 else |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3708 directly = ch_follows * 10 < ch_invisible; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3709 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3710 else |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3711 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3712 /* normal invisible, first do the one with the |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3713 * highest failure chance */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3714 directly = ch_follows < ch_invisible; |
|
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 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3717 if (directly) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3718 /* switch to the _FIRST state */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3719 ++prog->state[i].c; |
|
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 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3723 |
| 4444 | 3724 /**************************************************************** |
| 3725 * NFA execution code. | |
| 3726 ****************************************************************/ | |
| 3727 | |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3728 typedef struct |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3729 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3730 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
|
3731 |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3732 /* 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
|
3733 union |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3734 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3735 struct multipos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3736 { |
| 6547 | 3737 linenr_T start_lnum; |
| 3738 linenr_T end_lnum; | |
| 3739 colnr_T start_col; | |
| 3740 colnr_T end_col; | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3741 } multi[NSUBEXP]; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3742 struct linepos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3743 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3744 char_u *start; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3745 char_u *end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3746 } line[NSUBEXP]; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3747 } list; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3748 } regsub_T; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3749 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3750 typedef struct |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3751 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3752 regsub_T norm; /* \( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3753 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3754 regsub_T synt; /* \z( .. \) matches */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3755 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3756 } regsubs_T; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3757 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3758 /* nfa_pim_T stores a Postponed Invisible Match. */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3759 typedef struct nfa_pim_S nfa_pim_T; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3760 struct nfa_pim_S |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3761 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3762 int result; /* NFA_PIM_*, see below */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3763 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
|
3764 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
|
3765 union |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3766 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3767 lpos_T pos; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3768 char_u *ptr; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3769 } end; /* where the match must end */ |
|
4726
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 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3772 /* Values for done in nfa_pim_T. */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3773 #define NFA_PIM_UNUSED 0 /* pim not used */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3774 #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
|
3775 #define NFA_PIM_MATCH 2 /* pim executed, matches */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3776 #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
|
3777 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3778 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3779 /* 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
|
3780 typedef struct |
| 4444 | 3781 { |
| 3782 nfa_state_T *state; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3783 int count; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3784 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
|
3785 * invisible match */ |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3786 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
|
3787 } nfa_thread_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3788 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3789 /* nfa_list_T contains the alternative NFA execution states. */ |
| 4444 | 3790 typedef struct |
| 3791 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3792 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
|
3793 int n; /* nr of states currently in "t" */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3794 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
|
3795 int id; /* ID of the list */ |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
3796 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
|
3797 } nfa_list_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3798 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3799 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3800 static void log_subsexpr __ARGS((regsubs_T *subs)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3801 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
|
3802 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
|
3803 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3804 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3805 log_subsexpr(subs) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3806 regsubs_T *subs; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3807 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3808 log_subexpr(&subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3809 # ifdef FEAT_SYN_HL |
|
4770
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3810 if (nfa_has_zsubexpr) |
|
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3811 log_subexpr(&subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3812 # endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3813 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3814 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3815 static void |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3816 log_subexpr(sub) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3817 regsub_T *sub; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3818 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3819 int j; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3820 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3821 for (j = 0; j < sub->in_use; j++) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3822 if (REG_MULTI) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3823 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
|
3824 j, |
| 6547 | 3825 sub->list.multi[j].start_col, |
| 3826 (int)sub->list.multi[j].start_lnum, | |
| 3827 sub->list.multi[j].end_col, | |
| 3828 (int)sub->list.multi[j].end_lnum); | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3829 else |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3830 { |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3831 char *s = (char *)sub->list.line[j].start; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3832 char *e = (char *)sub->list.line[j].end; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3833 |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3834 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
|
3835 j, |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3836 s == NULL ? "NULL" : s, |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3837 e == NULL ? "NULL" : e); |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3838 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3839 } |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3840 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3841 static char * |
|
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
3842 pim_info(pim) |
|
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
3843 nfa_pim_T *pim; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3844 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3845 static char buf[30]; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3846 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3847 if (pim == NULL || pim->result == NFA_PIM_UNUSED) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3848 buf[0] = NUL; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3849 else |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3850 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3851 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
|
3852 : (int)(pim->end.ptr - reginput)); |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3853 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3854 return buf; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3855 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3856 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3857 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3858 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3859 /* 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
|
3860 static int nfa_match; |
| 6573 | 3861 #ifdef FEAT_RELTIME |
| 3862 static proftime_T *nfa_time_limit; | |
| 3863 static int nfa_time_count; | |
| 3864 #endif | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3865 |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3866 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
|
3867 static void clear_sub __ARGS((regsub_T *sub)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3868 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
|
3869 static void copy_sub_off __ARGS((regsub_T *to, regsub_T *from)); |
| 5372 | 3870 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
|
3871 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
|
3872 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
|
3873 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
|
3874 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
|
3875 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
|
3876 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
|
3877 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
|
3878 |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3879 /* |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3880 * 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
|
3881 */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3882 static void |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3883 copy_pim(to, from) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3884 nfa_pim_T *to; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3885 nfa_pim_T *from; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3886 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3887 to->result = from->result; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3888 to->state = from->state; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3889 copy_sub(&to->subs.norm, &from->subs.norm); |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3890 #ifdef FEAT_SYN_HL |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3891 if (nfa_has_zsubexpr) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3892 copy_sub(&to->subs.synt, &from->subs.synt); |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3893 #endif |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3894 to->end = from->end; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3895 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3896 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3897 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3898 clear_sub(sub) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3899 regsub_T *sub; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3900 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3901 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3902 /* Use 0xff to set lnum to -1 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3903 vim_memset(sub->list.multi, 0xff, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3904 sizeof(struct multipos) * nfa_nsubexpr); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3905 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3906 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
|
3907 sub->in_use = 0; |
|
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 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3911 * Copy the submatches from "from" to "to". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3912 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3913 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3914 copy_sub(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3915 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3916 regsub_T *from; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3917 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3918 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3919 if (from->in_use > 0) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3920 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3921 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3922 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3923 mch_memmove(&to->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3924 &from->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3925 sizeof(struct multipos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3926 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3927 mch_memmove(&to->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3928 &from->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3929 sizeof(struct linepos) * from->in_use); |
|
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 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3934 * Like copy_sub() but exclude the main match. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3935 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3936 static void |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3937 copy_sub_off(to, from) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3938 regsub_T *to; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3939 regsub_T *from; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3940 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3941 if (to->in_use < from->in_use) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3942 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3943 if (from->in_use > 1) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3944 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3945 /* Copy the match start and end positions. */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3946 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3947 mch_memmove(&to->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3948 &from->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3949 sizeof(struct multipos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3950 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3951 mch_memmove(&to->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3952 &from->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3953 sizeof(struct linepos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3954 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3955 } |
| 4444 | 3956 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3957 /* |
| 5372 | 3958 * Like copy_sub() but only do the end of the main match if \ze is present. |
| 3959 */ | |
| 3960 static void | |
| 3961 copy_ze_off(to, from) | |
| 3962 regsub_T *to; | |
| 3963 regsub_T *from; | |
| 3964 { | |
| 3965 if (nfa_has_zend) | |
| 3966 { | |
| 3967 if (REG_MULTI) | |
| 3968 { | |
| 6547 | 3969 if (from->list.multi[0].end_lnum >= 0) |
| 3970 { | |
| 3971 to->list.multi[0].end_lnum = from->list.multi[0].end_lnum; | |
| 3972 to->list.multi[0].end_col = from->list.multi[0].end_col; | |
| 3973 } | |
| 5372 | 3974 } |
| 3975 else | |
| 3976 { | |
| 3977 if (from->list.line[0].end != NULL) | |
| 3978 to->list.line[0].end = from->list.line[0].end; | |
| 3979 } | |
| 3980 } | |
| 3981 } | |
| 3982 | |
| 3983 /* | |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3984 * Return TRUE if "sub1" and "sub2" have the same start positions. |
| 5893 | 3985 * 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
|
3986 */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3987 static int |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3988 sub_equal(sub1, sub2) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3989 regsub_T *sub1; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3990 regsub_T *sub2; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3991 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3992 int i; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3993 int todo; |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3994 linenr_T s1; |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3995 linenr_T s2; |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3996 char_u *sp1; |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
3997 char_u *sp2; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3998 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3999 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
|
4000 if (REG_MULTI) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4001 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4002 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4003 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4004 if (i < sub1->in_use) |
| 6547 | 4005 s1 = sub1->list.multi[i].start_lnum; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4006 else |
|
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4007 s1 = -1; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4008 if (i < sub2->in_use) |
| 6547 | 4009 s2 = sub2->list.multi[i].start_lnum; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4010 else |
|
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4011 s2 = -1; |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4012 if (s1 != s2) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4013 return FALSE; |
| 6547 | 4014 if (s1 != -1 && sub1->list.multi[i].start_col |
| 4015 != sub2->list.multi[i].start_col) | |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4016 return FALSE; |
| 5893 | 4017 |
| 4018 if (nfa_has_backref) | |
| 4019 { | |
| 4020 if (i < sub1->in_use) | |
| 6547 | 4021 s1 = sub1->list.multi[i].end_lnum; |
| 5893 | 4022 else |
| 4023 s1 = -1; | |
| 4024 if (i < sub2->in_use) | |
| 6547 | 4025 s2 = sub2->list.multi[i].end_lnum; |
| 5893 | 4026 else |
| 4027 s2 = -1; | |
| 4028 if (s1 != s2) | |
| 4029 return FALSE; | |
| 6547 | 4030 if (s1 != -1 && sub1->list.multi[i].end_col |
| 4031 != sub2->list.multi[i].end_col) | |
| 5893 | 4032 return FALSE; |
| 4033 } | |
|
4647
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 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4036 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4037 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4038 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4039 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4040 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4041 sp1 = sub1->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4042 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4043 sp1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4044 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4045 sp2 = sub2->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4046 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4047 sp2 = NULL; |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4048 if (sp1 != sp2) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4049 return FALSE; |
| 5893 | 4050 if (nfa_has_backref) |
| 4051 { | |
| 4052 if (i < sub1->in_use) | |
| 4053 sp1 = sub1->list.line[i].end; | |
| 4054 else | |
| 4055 sp1 = NULL; | |
| 4056 if (i < sub2->in_use) | |
| 4057 sp2 = sub2->list.line[i].end; | |
| 4058 else | |
| 4059 sp2 = NULL; | |
| 4060 if (sp1 != sp2) | |
| 4061 return FALSE; | |
| 4062 } | |
|
4647
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 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4066 return TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4067 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4068 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4069 #ifdef ENABLE_LOG |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4070 static void |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4071 report_state(char *action, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4072 regsub_T *sub, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4073 nfa_state_T *state, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4074 int lid, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4075 nfa_pim_T *pim) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4076 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4077 int col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4078 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4079 if (sub->in_use <= 0) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4080 col = -1; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4081 else if (REG_MULTI) |
| 6547 | 4082 col = sub->list.multi[0].start_col; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4083 else |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4084 col = (int)(sub->list.line[0].start - regline); |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4085 nfa_set_code(state->c); |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4086 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
|
4087 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
|
4088 pim_info(pim)); |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4089 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4090 #endif |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4091 |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4092 /* |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4093 * 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
|
4094 * positions as "subs". |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4095 */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4096 static int |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4097 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
|
4098 nfa_list_T *l; /* runtime state list */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4099 nfa_state_T *state; /* state to update */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4100 regsubs_T *subs; /* pointers to subexpressions */ |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4101 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
|
4102 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4103 nfa_thread_T *thread; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4104 int i; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4105 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4106 for (i = 0; i < l->n; ++i) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4107 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4108 thread = &l->t[i]; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4109 if (thread->state->id == state->id |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4110 && sub_equal(&thread->subs.norm, &subs->norm) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4111 #ifdef FEAT_SYN_HL |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4112 && (!nfa_has_zsubexpr |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4113 || sub_equal(&thread->subs.synt, &subs->synt)) |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4114 #endif |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4115 && pim_equal(&thread->pim, pim)) |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4116 return TRUE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4117 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4118 return FALSE; |
|
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 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4121 /* |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4122 * 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
|
4123 * set. |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4124 */ |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4125 static int |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4126 pim_equal(one, two) |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4127 nfa_pim_T *one; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4128 nfa_pim_T *two; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4129 { |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4130 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
|
4131 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
|
4132 |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4133 if (one_unused) |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4134 /* 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
|
4135 return two_unused; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4136 if (two_unused) |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4137 /* 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
|
4138 return FALSE; |
| 5298 | 4139 /* compare the state id */ |
| 4140 if (one->state->id != two->state->id) | |
| 4141 return FALSE; | |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4142 /* compare the position */ |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4143 if (REG_MULTI) |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4144 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
|
4145 && one->end.pos.col == two->end.pos.col; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4146 return one->end.ptr == two->end.ptr; |
|
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 |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4149 /* |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4150 * 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
|
4151 */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4152 static int |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4153 match_follows(startstate, depth) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4154 nfa_state_T *startstate; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4155 int depth; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4156 { |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4157 nfa_state_T *state = startstate; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4158 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4159 /* avoid too much recursion */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4160 if (depth > 10) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4161 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4162 |
|
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4163 while (state != NULL) |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4164 { |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4165 switch (state->c) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4166 { |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4167 case NFA_MATCH: |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4168 case NFA_MCLOSE: |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4169 case NFA_END_INVISIBLE: |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4170 case NFA_END_INVISIBLE_NEG: |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4171 case NFA_END_PATTERN: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4172 return TRUE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4173 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4174 case NFA_SPLIT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4175 return match_follows(state->out, depth + 1) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4176 || match_follows(state->out1, depth + 1); |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4177 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4178 case NFA_START_INVISIBLE: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4179 case NFA_START_INVISIBLE_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4180 case NFA_START_INVISIBLE_BEFORE: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4181 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4182 case NFA_START_INVISIBLE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4183 case NFA_START_INVISIBLE_NEG_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4184 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4185 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4186 case NFA_COMPOSING: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4187 /* skip ahead to next state */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4188 state = state->out1->out; |
|
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4189 continue; |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4190 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4191 case NFA_ANY: |
| 5901 | 4192 case NFA_ANY_COMPOSING: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4193 case NFA_IDENT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4194 case NFA_SIDENT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4195 case NFA_KWORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4196 case NFA_SKWORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4197 case NFA_FNAME: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4198 case NFA_SFNAME: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4199 case NFA_PRINT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4200 case NFA_SPRINT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4201 case NFA_WHITE: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4202 case NFA_NWHITE: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4203 case NFA_DIGIT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4204 case NFA_NDIGIT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4205 case NFA_HEX: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4206 case NFA_NHEX: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4207 case NFA_OCTAL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4208 case NFA_NOCTAL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4209 case NFA_WORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4210 case NFA_NWORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4211 case NFA_HEAD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4212 case NFA_NHEAD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4213 case NFA_ALPHA: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4214 case NFA_NALPHA: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4215 case NFA_LOWER: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4216 case NFA_NLOWER: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4217 case NFA_UPPER: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4218 case NFA_NUPPER: |
| 5296 | 4219 case NFA_LOWER_IC: |
| 4220 case NFA_NLOWER_IC: | |
| 4221 case NFA_UPPER_IC: | |
| 4222 case NFA_NUPPER_IC: | |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4223 case NFA_START_COLL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4224 case NFA_START_NEG_COLL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4225 case NFA_NEWL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4226 /* state will advance input */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4227 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4228 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4229 default: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4230 if (state->c > 0) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4231 /* state will advance input */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4232 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4233 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4234 /* 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
|
4235 * a match at the same position, keep looking. */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4236 break; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4237 } |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4238 state = state->out; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4239 } |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4240 return FALSE; |
|
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 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4244 /* |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4245 * 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
|
4246 */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4247 static int |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4248 state_in_list(l, state, subs) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4249 nfa_list_T *l; /* runtime state list */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4250 nfa_state_T *state; /* state to update */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4251 regsubs_T *subs; /* pointers to subexpressions */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4252 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4253 if (state->lastlist[nfa_ll_index] == l->id) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4254 { |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4255 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
|
4256 return TRUE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4257 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4258 return FALSE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4259 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4260 |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4261 /* |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4262 * 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
|
4263 * Returns "subs_arg", possibly copied into temp_subs. |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4264 */ |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4265 static regsubs_T * |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4266 addstate(l, state, subs_arg, pim, off) |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4267 nfa_list_T *l; /* runtime state list */ |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4268 nfa_state_T *state; /* state to update */ |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4269 regsubs_T *subs_arg; /* pointers to subexpressions */ |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4270 nfa_pim_T *pim; /* postponed look-behind match */ |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4271 int off; /* byte offset, when -1 go to next line */ |
| 4444 | 4272 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4273 int subidx; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4274 nfa_thread_T *thread; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4275 lpos_T save_lpos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4276 int save_in_use; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4277 char_u *save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4278 int i; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4279 regsub_T *sub; |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4280 regsubs_T *subs = subs_arg; |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4281 static regsubs_T temp_subs; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4282 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4283 int did_print = FALSE; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4284 #endif |
| 4444 | 4285 |
| 4286 switch (state->c) | |
| 4287 { | |
| 4288 case NFA_NCLOSE: | |
| 4289 case NFA_MCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4290 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4291 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4292 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4293 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4294 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4295 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4296 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4297 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4298 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4299 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4300 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4301 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4302 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4303 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4304 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4305 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4306 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4307 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4308 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4309 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4310 #endif |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4311 case NFA_MOPEN: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4312 case NFA_ZEND: |
|
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4313 case NFA_SPLIT: |
| 5370 | 4314 case NFA_EMPTY: |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4315 /* 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
|
4316 * "out1" may be added below. */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4317 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4318 |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4319 case NFA_BOL: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4320 case NFA_BOF: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4321 /* "^" 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
|
4322 * 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
|
4323 * next line for a look-behind match. */ |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4324 if (reginput > regline |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4325 && *reginput != NUL |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4326 && (nfa_endp == NULL |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4327 || !REG_MULTI |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4328 || reglnum == nfa_endp->se_u.pos.lnum)) |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4329 goto skip_add; |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4330 /* FALLTHROUGH */ |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4331 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4332 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4333 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4334 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4335 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4336 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4337 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4338 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4339 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4340 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4341 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4342 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4343 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4344 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4345 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4346 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4347 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4348 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4349 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4350 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4351 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4352 #endif |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4353 case NFA_NOPEN: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4354 case NFA_ZSTART: |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4355 /* 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
|
4356 * 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
|
4357 * endless loop for "\(\)*" */ |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4358 |
| 4444 | 4359 default: |
| 5502 | 4360 if (state->lastlist[nfa_ll_index] == l->id && state->c != NFA_SKIP) |
| 4444 | 4361 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4362 /* 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
|
4363 * unless it is an MOPEN that is used for a backreference or |
| 5895 | 4364 * when there is a PIM. For NFA_MATCH check the position, |
| 4365 * lower position is preferred. */ | |
| 4366 if (!nfa_has_backref && pim == NULL && !l->has_pim | |
| 4367 && state->c != NFA_MATCH) | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4368 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4369 skip_add: |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4370 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4371 nfa_set_code(state->c); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4372 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
|
4373 abs(state->id), l->id, state->c, code); |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4374 #endif |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4375 return subs; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4376 } |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4377 |
|
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4378 /* 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
|
4379 * positions. */ |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4380 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
|
4381 goto skip_add; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4382 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4383 |
|
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4384 /* 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
|
4385 * be (a lot) bigger than anticipated. */ |
|
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4386 if (l->n == l->len) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4387 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4388 int newlen = l->len * 3 / 2 + 50; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4389 |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4390 if (subs != &temp_subs) |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4391 { |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4392 /* "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
|
4393 * copy before it becomes invalid. */ |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4394 copy_sub(&temp_subs.norm, &subs->norm); |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4395 #ifdef FEAT_SYN_HL |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4396 if (nfa_has_zsubexpr) |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4397 copy_sub(&temp_subs.synt, &subs->synt); |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4398 #endif |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4399 subs = &temp_subs; |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4400 } |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4401 |
| 6594 | 4402 /* TODO: check for vim_realloc() returning NULL. */ |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4403 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
|
4404 l->len = newlen; |
|
4571
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 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4407 /* add the state to the list */ |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4408 state->lastlist[nfa_ll_index] = l->id; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4409 thread = &l->t[l->n++]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4410 thread->state = state; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4411 if (pim == NULL) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4412 thread->pim.result = NFA_PIM_UNUSED; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4413 else |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4414 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4415 copy_pim(&thread->pim, pim); |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4416 l->has_pim = TRUE; |
|
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4417 } |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4418 copy_sub(&thread->subs.norm, &subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4419 #ifdef FEAT_SYN_HL |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4420 if (nfa_has_zsubexpr) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4421 copy_sub(&thread->subs.synt, &subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4422 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4423 #ifdef ENABLE_LOG |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4424 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
|
4425 did_print = TRUE; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4426 #endif |
| 4444 | 4427 } |
| 4428 | |
| 4429 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4430 if (!did_print) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4431 report_state("Processing", &subs->norm, state, l->id, pim); |
| 4444 | 4432 #endif |
| 4433 switch (state->c) | |
| 4434 { | |
| 4435 case NFA_MATCH: | |
| 4436 break; | |
| 4437 | |
| 4438 case NFA_SPLIT: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4439 /* order matters here */ |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4440 subs = addstate(l, state->out, subs, pim, off); |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4441 subs = addstate(l, state->out1, subs, pim, off); |
| 4444 | 4442 break; |
| 4443 | |
| 5370 | 4444 case NFA_EMPTY: |
| 4444 | 4445 case NFA_NOPEN: |
| 4446 case NFA_NCLOSE: | |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4447 subs = addstate(l, state->out, subs, pim, off); |
| 4444 | 4448 break; |
| 4449 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4450 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4451 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4452 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4453 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4454 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4455 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4456 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4457 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4458 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4459 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4460 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4461 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4462 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4463 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4464 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4465 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4466 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4467 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4468 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4469 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4470 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4471 #endif |
| 4444 | 4472 case NFA_ZSTART: |
| 4473 if (state->c == NFA_ZSTART) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4474 { |
| 4444 | 4475 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4476 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4477 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4478 #ifdef FEAT_SYN_HL |
| 5300 | 4479 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
|
4480 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4481 subidx = state->c - NFA_ZOPEN; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4482 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4483 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4484 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4485 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4486 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4487 subidx = state->c - NFA_MOPEN; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4488 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4489 } |
| 4444 | 4490 |
|
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4491 /* avoid compiler warnings */ |
|
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4492 save_ptr = NULL; |
|
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4493 save_lpos.lnum = 0; |
|
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4494 save_lpos.col = 0; |
|
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4495 |
|
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4496 /* 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
|
4497 * and restore it when it was in use. Otherwise fill any gap. */ |
| 4444 | 4498 if (REG_MULTI) |
| 4499 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4500 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4501 { |
| 6547 | 4502 save_lpos.lnum = sub->list.multi[subidx].start_lnum; |
| 4503 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
|
4504 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4505 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4506 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4507 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4508 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4509 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
|
4510 { |
| 6547 | 4511 sub->list.multi[i].start_lnum = -1; |
| 4512 sub->list.multi[i].end_lnum = -1; | |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4513 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4514 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4515 } |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4516 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4517 { |
| 6547 | 4518 sub->list.multi[subidx].start_lnum = reglnum + 1; |
| 4519 sub->list.multi[subidx].start_col = 0; | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4520 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4521 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4522 { |
| 6547 | 4523 sub->list.multi[subidx].start_lnum = reglnum; |
| 4524 sub->list.multi[subidx].start_col = | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4525 (colnr_T)(reginput - regline + off); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4526 } |
| 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(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6950 for (i = 0; i < subs.synt.in_use; i++) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6951 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6952 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6953 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6954 struct multipos *mpos = &subs.synt.list.multi[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6955 |
| 5820 | 6956 /* Only accept single line matches that are valid. */ |
| 6547 | 6957 if (mpos->start_lnum >= 0 |
| 6958 && mpos->start_lnum == mpos->end_lnum | |
| 6959 && mpos->end_col >= mpos->start_col) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6960 re_extmatch_out->matches[i] = |
| 6547 | 6961 vim_strnsave(reg_getline(mpos->start_lnum) |
| 6962 + mpos->start_col, | |
| 6963 mpos->end_col - mpos->start_col); | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6964 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6965 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6966 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6967 struct linepos *lpos = &subs.synt.list.line[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6968 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6969 if (lpos->start != NULL && lpos->end != NULL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6970 re_extmatch_out->matches[i] = |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6971 vim_strnsave(lpos->start, |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6972 (int)(lpos->end - lpos->start)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6973 } |
|
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 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6977 |
| 4444 | 6978 return 1 + reglnum; |
| 6979 } | |
| 6980 | |
| 6981 /* | |
| 6982 * Match a regexp against a string ("line" points to the string) or multiple | |
| 6983 * lines ("line" is NULL, use reg_getline()). | |
| 6984 * | |
| 6392 | 6985 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
| 4444 | 6986 */ |
| 6987 static long | |
| 6573 | 6988 nfa_regexec_both(line, startcol, tm) |
| 4444 | 6989 char_u *line; |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6990 colnr_T startcol; /* column to start looking for match */ |
| 6573 | 6991 proftime_T *tm; /* timeout limit or NULL */ |
| 4444 | 6992 { |
| 6993 nfa_regprog_T *prog; | |
| 6994 long retval = 0L; | |
| 6995 int i; | |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
6996 colnr_T col = startcol; |
| 4444 | 6997 |
| 6998 if (REG_MULTI) | |
| 6999 { | |
| 7000 prog = (nfa_regprog_T *)reg_mmatch->regprog; | |
| 7001 line = reg_getline((linenr_T)0); /* relative to the cursor */ | |
| 7002 reg_startpos = reg_mmatch->startpos; | |
| 7003 reg_endpos = reg_mmatch->endpos; | |
| 7004 } | |
| 7005 else | |
| 7006 { | |
| 7007 prog = (nfa_regprog_T *)reg_match->regprog; | |
| 7008 reg_startp = reg_match->startp; | |
| 7009 reg_endp = reg_match->endp; | |
| 7010 } | |
| 7011 | |
| 7012 /* Be paranoid... */ | |
| 7013 if (prog == NULL || line == NULL) | |
| 7014 { | |
| 7015 EMSG(_(e_null)); | |
| 7016 goto theend; | |
| 7017 } | |
| 7018 | |
| 7019 /* If pattern contains "\c" or "\C": overrule value of ireg_ic */ | |
| 7020 if (prog->regflags & RF_ICASE) | |
| 7021 ireg_ic = TRUE; | |
| 7022 else if (prog->regflags & RF_NOICASE) | |
| 7023 ireg_ic = FALSE; | |
| 7024 | |
| 7025 #ifdef FEAT_MBYTE | |
| 7026 /* If pattern contains "\Z" overrule value of ireg_icombine */ | |
| 7027 if (prog->regflags & RF_ICOMBINE) | |
| 7028 ireg_icombine = TRUE; | |
| 7029 #endif | |
| 7030 | |
| 7031 regline = line; | |
| 7032 reglnum = 0; /* relative to line */ | |
| 7033 | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
7034 nfa_has_zend = prog->has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
7035 nfa_has_backref = prog->has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
7036 nfa_nsubexpr = prog->nsubexp; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7037 nfa_listid = 1; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7038 nfa_alt_listid = 2; |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7039 nfa_regengine.expr = prog->pattern; |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
7040 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7041 if (prog->reganch && col > 0) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7042 return 0L; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7043 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7044 need_clear_subexpr = TRUE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7045 #ifdef FEAT_SYN_HL |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7046 /* Clear the external match subpointers if necessary. */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7047 if (prog->reghasz == REX_SET) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7048 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7049 nfa_has_zsubexpr = TRUE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7050 need_clear_zsubexpr = TRUE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7051 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7052 else |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7053 nfa_has_zsubexpr = FALSE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7054 #endif |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7055 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7056 if (prog->regstart != NUL) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7057 { |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7058 /* 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
|
7059 * When there is none there is no match. */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7060 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
|
7061 return 0L; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7062 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7063 /* 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
|
7064 * 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
|
7065 if (prog->match_text != NULL |
|
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7066 #ifdef FEAT_MBYTE |
|
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7067 && !ireg_icombine |
|
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7068 #endif |
|
9909e44879b9
updated for version 7.3.1152
Bram Moolenaar <bram@vim.org>
parents:
4809
diff
changeset
|
7069 ) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7070 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
|
7071 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7072 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7073 /* 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
|
7074 if (ireg_maxcol > 0 && col >= ireg_maxcol) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7075 goto theend; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7076 |
| 4444 | 7077 nstate = prog->nstate; |
| 7078 for (i = 0; i < nstate; ++i) | |
| 7079 { | |
| 7080 prog->state[i].id = i; | |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7081 prog->state[i].lastlist[0] = 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7082 prog->state[i].lastlist[1] = 0; |
| 4444 | 7083 } |
| 7084 | |
| 6573 | 7085 retval = nfa_regtry(prog, col, tm); |
| 4444 | 7086 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7087 nfa_regengine.expr = NULL; |
|
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7088 |
| 4444 | 7089 theend: |
| 7090 return retval; | |
| 7091 } | |
| 7092 | |
| 7093 /* | |
| 7094 * Compile a regular expression into internal code for the NFA matcher. | |
| 7095 * Returns the program in allocated space. Returns NULL for an error. | |
| 7096 */ | |
| 7097 static regprog_T * | |
| 7098 nfa_regcomp(expr, re_flags) | |
| 7099 char_u *expr; | |
| 7100 int re_flags; | |
| 7101 { | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7102 nfa_regprog_T *prog = NULL; |
| 4458 | 7103 size_t prog_size; |
| 4444 | 7104 int *postfix; |
| 7105 | |
| 7106 if (expr == NULL) | |
| 7107 return NULL; | |
| 7108 | |
| 7109 nfa_regengine.expr = expr; | |
| 6533 | 7110 nfa_re_flags = re_flags; |
| 4444 | 7111 |
| 7112 init_class_tab(); | |
| 7113 | |
| 7114 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
| 7115 return NULL; | |
| 7116 | |
| 7117 /* 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
|
7118 * (and count its size). */ |
| 4444 | 7119 postfix = re2post(); |
| 7120 if (postfix == NULL) | |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7121 { |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7122 /* TODO: only give this error for debugging? */ |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7123 if (post_ptr >= post_end) |
|
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7124 EMSGN("Internal error: estimated max number of states insufficient: %ld", post_end - post_start); |
| 4444 | 7125 goto fail; /* Cascaded (syntax?) error */ |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
7126 } |
| 4444 | 7127 |
| 7128 /* | |
| 7129 * In order to build the NFA, we parse the input regexp twice: | |
| 7130 * 1. first pass to count size (so we can allocate space) | |
| 7131 * 2. second to emit code | |
| 7132 */ | |
| 7133 #ifdef ENABLE_LOG | |
| 7134 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
7135 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 7136 |
| 7137 if (f != NULL) | |
| 7138 { | |
| 7139 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\" ... hold on !\n", expr); | |
| 7140 fclose(f); | |
| 7141 } | |
| 7142 } | |
| 7143 #endif | |
| 7144 | |
| 7145 /* | |
| 7146 * PASS 1 | |
| 7147 * Count number of NFA states in "nstate". Do not build the NFA. | |
| 7148 */ | |
| 7149 post2nfa(postfix, post_ptr, TRUE); | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7150 |
|
4837
05b8436873d4
updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents:
4821
diff
changeset
|
7151 /* 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
|
7152 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
|
7153 prog = (nfa_regprog_T *)lalloc(prog_size, TRUE); |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7154 if (prog == NULL) |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7155 goto fail; |
| 4444 | 7156 state_ptr = prog->state; |
| 7157 | |
| 7158 /* | |
| 7159 * PASS 2 | |
| 7160 * Build the NFA | |
| 7161 */ | |
| 7162 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
| 7163 if (prog->start == NULL) | |
| 7164 goto fail; | |
| 7165 | |
| 7166 prog->regflags = regflags; | |
| 7167 prog->engine = &nfa_regengine; | |
| 7168 prog->nstate = nstate; | |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
7169 prog->has_zend = nfa_has_zend; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
7170 prog->has_backref = nfa_has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
7171 prog->nsubexp = regnpar; |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7172 |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7173 nfa_postprocess(prog); |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7174 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7175 prog->reganch = nfa_get_reganch(prog->start, 0); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7176 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
|
7177 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
|
7178 |
| 4444 | 7179 #ifdef ENABLE_LOG |
| 7180 nfa_postfix_dump(expr, OK); | |
| 7181 nfa_dump(prog); | |
| 7182 #endif | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7183 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7184 /* 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
|
7185 prog->reghasz = re_has_z; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7186 #endif |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7187 prog->pattern = vim_strsave(expr); |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7188 nfa_regengine.expr = NULL; |
| 4444 | 7189 |
| 7190 out: | |
| 7191 vim_free(post_start); | |
| 7192 post_start = post_ptr = post_end = NULL; | |
| 7193 state_ptr = NULL; | |
| 7194 return (regprog_T *)prog; | |
| 7195 | |
| 7196 fail: | |
| 7197 vim_free(prog); | |
| 7198 prog = NULL; | |
| 7199 #ifdef ENABLE_LOG | |
| 7200 nfa_postfix_dump(expr, FAIL); | |
| 7201 #endif | |
| 7202 nfa_regengine.expr = NULL; | |
| 7203 goto out; | |
| 7204 } | |
| 7205 | |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7206 /* |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7207 * Free a compiled regexp program, returned by nfa_regcomp(). |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7208 */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7209 static void |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7210 nfa_regfree(prog) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7211 regprog_T *prog; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7212 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7213 if (prog != NULL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7214 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7215 vim_free(((nfa_regprog_T *)prog)->match_text); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7216 vim_free(((nfa_regprog_T *)prog)->pattern); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7217 vim_free(prog); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7218 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7219 } |
| 4444 | 7220 |
| 7221 /* | |
| 7222 * Match a regexp against a string. | |
| 7223 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
| 7224 * Uses curbuf for line count and 'iskeyword'. | |
| 5838 | 7225 * If "line_lbr" is TRUE consider a "\n" in "line" to be a line break. |
| 4444 | 7226 * |
| 6392 | 7227 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
| 4444 | 7228 */ |
| 7229 static int | |
| 5838 | 7230 nfa_regexec_nl(rmp, line, col, line_lbr) |
| 4444 | 7231 regmatch_T *rmp; |
| 7232 char_u *line; /* string to match against */ | |
| 7233 colnr_T col; /* column to start looking for match */ | |
| 5838 | 7234 int line_lbr; |
| 4444 | 7235 { |
| 7236 reg_match = rmp; | |
| 7237 reg_mmatch = NULL; | |
| 7238 reg_maxline = 0; | |
| 5838 | 7239 reg_line_lbr = line_lbr; |
| 4444 | 7240 reg_buf = curbuf; |
| 7241 reg_win = NULL; | |
| 7242 ireg_ic = rmp->rm_ic; | |
| 7243 #ifdef FEAT_MBYTE | |
| 7244 ireg_icombine = FALSE; | |
| 7245 #endif | |
| 7246 ireg_maxcol = 0; | |
| 6573 | 7247 return nfa_regexec_both(line, col, NULL); |
| 4444 | 7248 } |
| 7249 | |
| 7250 | |
| 7251 /* | |
| 7252 * Match a regexp against multiple lines. | |
| 7253 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
| 7254 * Uses curbuf for line count and 'iskeyword'. | |
| 7255 * | |
| 6392 | 7256 * Return <= 0 if there is no match. Return number of lines contained in the |
| 4444 | 7257 * match otherwise. |
| 7258 * | |
| 7259 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
| 7260 * | |
| 7261 * ! Also NOTE : match may actually be in another line. e.g.: | |
| 7262 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
| 7263 * | |
| 7264 * +-------------------------+ | |
| 7265 * |a | | |
| 7266 * |b | | |
| 7267 * |c | | |
| 7268 * | | | |
| 7269 * +-------------------------+ | |
| 7270 * | |
| 7271 * then nfa_regexec_multi() returns 3. while the original | |
| 7272 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
| 7273 * | |
| 7274 * FIXME if this behavior is not compatible. | |
| 7275 */ | |
| 7276 static long | |
| 7277 nfa_regexec_multi(rmp, win, buf, lnum, col, tm) | |
| 7278 regmmatch_T *rmp; | |
| 7279 win_T *win; /* window in which to search or NULL */ | |
| 7280 buf_T *buf; /* buffer in which to search */ | |
| 7281 linenr_T lnum; /* nr of line to start looking for match */ | |
| 7282 colnr_T col; /* column to start looking for match */ | |
| 6573 | 7283 proftime_T *tm; /* timeout limit or NULL */ |
| 4444 | 7284 { |
| 7285 reg_match = NULL; | |
| 7286 reg_mmatch = rmp; | |
| 7287 reg_buf = buf; | |
| 7288 reg_win = win; | |
| 7289 reg_firstlnum = lnum; | |
| 7290 reg_maxline = reg_buf->b_ml.ml_line_count - lnum; | |
| 7291 reg_line_lbr = FALSE; | |
| 7292 ireg_ic = rmp->rmm_ic; | |
| 7293 #ifdef FEAT_MBYTE | |
| 7294 ireg_icombine = FALSE; | |
| 7295 #endif | |
| 7296 ireg_maxcol = rmp->rmm_maxcol; | |
| 7297 | |
| 6573 | 7298 return nfa_regexec_both(NULL, col, tm); |
| 4444 | 7299 } |
| 7300 | |
| 7301 #ifdef DEBUG | |
| 7302 # undef ENABLE_LOG | |
| 7303 #endif |