Mercurial > vim
annotate src/regexp_nfa.c @ 21456:a2bf60c69fb9
Added tag v8.2.1278 for changeset 8cc1555f2445c4c92db913c6de4c93f7d25a2ae6
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 23 Jul 2020 15:45:07 +0200 |
| parents | 9064044fd4f6 |
| children | 740b16b3c80b |
| rev | line source |
|---|---|
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4aead6a9b7a9
commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 4444 | 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 | |
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32 // Added to NFA_ANY - NFA_NUPPER_IC to include a NL. |
| 5296 | 33 #define NFA_ADD_NL 31 |
| 34 | |
| 4444 | 35 enum |
| 36 { | |
| 37 NFA_SPLIT = -1024, | |
| 38 NFA_MATCH, | |
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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 * (postfix 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) |
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57 |
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58 NFA_BOL, // ^ Begin line |
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59 NFA_EOL, // $ End line |
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60 NFA_BOW, // \< Begin word |
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61 NFA_EOW, // \> End word |
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62 NFA_BOF, // \%^ Begin file |
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63 NFA_EOF, // \%$ End file |
| 4444 | 64 NFA_NEWL, |
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65 NFA_ZSTART, // Used for \zs |
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66 NFA_ZEND, // Used for \ze |
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67 NFA_NOPEN, // Start of subexpression marked with \%( |
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68 NFA_NCLOSE, // End of subexpr. marked with \%( ... \) |
| 4444 | 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, |
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81 NFA_COMPOSING, // Next nodes in NFA are part of the |
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82 // composing multibyte char |
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83 NFA_END_COMPOSING, // End of a composing char in the NFA |
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84 NFA_ANY_COMPOSING, // \%C: Any composing characters. |
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85 NFA_OPT_CHARS, // \%[abc] |
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86 |
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87 // The following are used only in the postfix form, not in the NFA |
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88 NFA_PREV_ATOM_NO_WIDTH, // Used for \@= |
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89 NFA_PREV_ATOM_NO_WIDTH_NEG, // Used for \@! |
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90 NFA_PREV_ATOM_JUST_BEFORE, // Used for \@<= |
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91 NFA_PREV_ATOM_JUST_BEFORE_NEG, // Used for \@<! |
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92 NFA_PREV_ATOM_LIKE_PATTERN, // Used for \@> |
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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 |
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162 // NFA_FIRST_NL |
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163 NFA_ANY, // Match any one character. |
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164 NFA_IDENT, // Match identifier char |
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165 NFA_SIDENT, // Match identifier char but no digit |
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166 NFA_KWORD, // Match keyword char |
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167 NFA_SKWORD, // Match word char but no digit |
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168 NFA_FNAME, // Match file name char |
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169 NFA_SFNAME, // Match file name char but no digit |
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170 NFA_PRINT, // Match printable char |
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171 NFA_SPRINT, // Match printable char but no digit |
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172 NFA_WHITE, // Match whitespace char |
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173 NFA_NWHITE, // Match non-whitespace char |
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174 NFA_DIGIT, // Match digit char |
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175 NFA_NDIGIT, // Match non-digit char |
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176 NFA_HEX, // Match hex char |
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177 NFA_NHEX, // Match non-hex char |
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178 NFA_OCTAL, // Match octal char |
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179 NFA_NOCTAL, // Match non-octal char |
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180 NFA_WORD, // Match word char |
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181 NFA_NWORD, // Match non-word char |
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182 NFA_HEAD, // Match head char |
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183 NFA_NHEAD, // Match non-head char |
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184 NFA_ALPHA, // Match alpha char |
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185 NFA_NALPHA, // Match non-alpha char |
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186 NFA_LOWER, // Match lowercase char |
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187 NFA_NLOWER, // Match non-lowercase char |
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188 NFA_UPPER, // Match uppercase char |
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189 NFA_NUPPER, // Match non-uppercase char |
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190 NFA_LOWER_IC, // Match [a-z] |
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191 NFA_NLOWER_IC, // Match [^a-z] |
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192 NFA_UPPER_IC, // Match [A-Z] |
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193 NFA_NUPPER_IC, // Match [^A-Z] |
| 5296 | 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 |
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213 // Character classes [:alnum:] etc |
| 4444 | 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, | |
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229 NFA_CLASS_ESCAPE, |
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230 NFA_CLASS_IDENT, |
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231 NFA_CLASS_KEYWORD, |
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232 NFA_CLASS_FNAME |
| 4444 | 233 }; |
| 234 | |
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235 // Keep in sync with classchars. |
| 4444 | 236 static int nfa_classcodes[] = { |
| 237 NFA_ANY, NFA_IDENT, NFA_SIDENT, NFA_KWORD,NFA_SKWORD, | |
| 238 NFA_FNAME, NFA_SFNAME, NFA_PRINT, NFA_SPRINT, | |
| 239 NFA_WHITE, NFA_NWHITE, NFA_DIGIT, NFA_NDIGIT, | |
| 240 NFA_HEX, NFA_NHEX, NFA_OCTAL, NFA_NOCTAL, | |
| 241 NFA_WORD, NFA_NWORD, NFA_HEAD, NFA_NHEAD, | |
| 242 NFA_ALPHA, NFA_NALPHA, NFA_LOWER, NFA_NLOWER, | |
| 243 NFA_UPPER, NFA_NUPPER | |
| 244 }; | |
| 245 | |
| 5511 | 246 static char_u e_nul_found[] = N_("E865: (NFA) Regexp end encountered prematurely"); |
| 4444 | 247 static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c"); |
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248 static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character class: %d"); |
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249 static char_u e_value_too_large[] = N_("E951: \\% value too large"); |
| 4444 | 250 |
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251 // Variables only used in nfa_regcomp() and descendants. |
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252 static int nfa_re_flags; // re_flags passed to nfa_regcomp() |
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253 static int *post_start; // holds the postfix form of r.e. |
| 4444 | 254 static int *post_end; |
| 255 static int *post_ptr; | |
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256 static int nstate; // Number of states in the NFA. |
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257 static int istate; // Index in the state vector, used in alloc_state() |
| 4444 | 258 |
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259 // If not NULL match must end at this position |
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260 static save_se_T *nfa_endp = NULL; |
| 4444 | 261 |
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262 // 0 for first call to nfa_regmatch(), 1 for recursive call. |
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263 static int nfa_ll_index = 0; |
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264 |
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265 static int realloc_post_list(void); |
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266 static int nfa_reg(int paren); |
| 4444 | 267 #ifdef DEBUG |
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268 static void nfa_print_state2(FILE *debugf, nfa_state_T *state, garray_T *indent); |
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269 #endif |
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270 static int match_follows(nfa_state_T *startstate, int depth); |
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271 static int failure_chance(nfa_state_T *state, int depth); |
| 4444 | 272 |
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273 // helper functions used when doing re2post() ... regatom() parsing |
| 4444 | 274 #define EMIT(c) do { \ |
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275 if (post_ptr >= post_end && realloc_post_list() == FAIL) \ |
| 4444 | 276 return FAIL; \ |
| 277 *post_ptr++ = c; \ | |
| 278 } while (0) | |
| 279 | |
| 280 /* | |
| 281 * Initialize internal variables before NFA compilation. | |
| 282 * Return OK on success, FAIL otherwise. | |
| 283 */ | |
| 284 static int | |
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285 nfa_regcomp_start( |
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286 char_u *expr, |
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287 int re_flags) // see vim_regcomp() |
| 4444 | 288 { |
| 4458 | 289 size_t postfix_size; |
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290 int nstate_max; |
| 4444 | 291 |
| 292 nstate = 0; | |
| 293 istate = 0; | |
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294 // A reasonable estimation for maximum size |
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295 nstate_max = (int)(STRLEN(expr) + 1) * 25; |
| 4444 | 296 |
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297 // Some items blow up in size, such as [A-z]. Add more space for that. |
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298 // When it is still not enough realloc_post_list() will be used. |
| 4458 | 299 nstate_max += 1000; |
| 4454 | 300 |
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301 // Size for postfix representation of expr. |
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302 postfix_size = sizeof(int) * nstate_max; |
| 4454 | 303 |
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304 post_start = alloc(postfix_size); |
| 4444 | 305 if (post_start == NULL) |
| 306 return FAIL; | |
| 307 post_ptr = post_start; | |
| 4454 | 308 post_end = post_start + nstate_max; |
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309 rex.nfa_has_zend = FALSE; |
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310 rex.nfa_has_backref = FALSE; |
| 4444 | 311 |
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312 // shared with BT engine |
| 4444 | 313 regcomp_start(expr, re_flags); |
| 314 | |
| 315 return OK; | |
| 316 } | |
| 317 | |
| 318 /* | |
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319 * Figure out if the NFA state list starts with an anchor, must match at start |
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320 * of the line. |
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321 */ |
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322 static int |
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323 nfa_get_reganch(nfa_state_T *start, int depth) |
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324 { |
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325 nfa_state_T *p = start; |
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326 |
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327 if (depth > 4) |
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328 return 0; |
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329 |
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330 while (p != NULL) |
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331 { |
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332 switch (p->c) |
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333 { |
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334 case NFA_BOL: |
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335 case NFA_BOF: |
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336 return 1; // yes! |
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337 |
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338 case NFA_ZSTART: |
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339 case NFA_ZEND: |
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340 case NFA_CURSOR: |
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341 case NFA_VISUAL: |
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342 |
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343 case NFA_MOPEN: |
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344 case NFA_MOPEN1: |
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345 case NFA_MOPEN2: |
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346 case NFA_MOPEN3: |
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347 case NFA_MOPEN4: |
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348 case NFA_MOPEN5: |
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349 case NFA_MOPEN6: |
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350 case NFA_MOPEN7: |
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351 case NFA_MOPEN8: |
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352 case NFA_MOPEN9: |
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353 case NFA_NOPEN: |
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354 #ifdef FEAT_SYN_HL |
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355 case NFA_ZOPEN: |
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356 case NFA_ZOPEN1: |
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357 case NFA_ZOPEN2: |
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358 case NFA_ZOPEN3: |
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359 case NFA_ZOPEN4: |
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360 case NFA_ZOPEN5: |
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361 case NFA_ZOPEN6: |
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362 case NFA_ZOPEN7: |
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363 case NFA_ZOPEN8: |
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364 case NFA_ZOPEN9: |
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365 #endif |
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366 p = p->out; |
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367 break; |
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368 |
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369 case NFA_SPLIT: |
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370 return nfa_get_reganch(p->out, depth + 1) |
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371 && nfa_get_reganch(p->out1, depth + 1); |
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372 |
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373 default: |
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374 return 0; // noooo |
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375 } |
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376 } |
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377 return 0; |
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378 } |
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379 |
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380 /* |
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381 * Figure out if the NFA state list starts with a character which must match |
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382 * at start of the match. |
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383 */ |
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384 static int |
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385 nfa_get_regstart(nfa_state_T *start, int depth) |
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386 { |
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387 nfa_state_T *p = start; |
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388 |
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389 if (depth > 4) |
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390 return 0; |
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391 |
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392 while (p != NULL) |
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393 { |
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394 switch (p->c) |
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395 { |
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396 // all kinds of zero-width matches |
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397 case NFA_BOL: |
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398 case NFA_BOF: |
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399 case NFA_BOW: |
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400 case NFA_EOW: |
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401 case NFA_ZSTART: |
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|
402 case NFA_ZEND: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
403 case NFA_CURSOR: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
404 case NFA_VISUAL: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
405 case NFA_LNUM: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
406 case NFA_LNUM_GT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
407 case NFA_LNUM_LT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
408 case NFA_COL: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
409 case NFA_COL_GT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
410 case NFA_COL_LT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
411 case NFA_VCOL: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
412 case NFA_VCOL_GT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
413 case NFA_VCOL_LT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
414 case NFA_MARK: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
415 case NFA_MARK_GT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
416 case NFA_MARK_LT: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
417 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
418 case NFA_MOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
419 case NFA_MOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
420 case NFA_MOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
421 case NFA_MOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
422 case NFA_MOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
423 case NFA_MOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
424 case NFA_MOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
425 case NFA_MOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
426 case NFA_MOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
427 case NFA_MOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
428 case NFA_NOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
429 #ifdef FEAT_SYN_HL |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
430 case NFA_ZOPEN: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
431 case NFA_ZOPEN1: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
432 case NFA_ZOPEN2: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
433 case NFA_ZOPEN3: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
434 case NFA_ZOPEN4: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
435 case NFA_ZOPEN5: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
436 case NFA_ZOPEN6: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
437 case NFA_ZOPEN7: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
438 case NFA_ZOPEN8: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
439 case NFA_ZOPEN9: |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
440 #endif |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
441 p = p->out; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
442 break; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
443 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
444 case NFA_SPLIT: |
|
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 int c1 = nfa_get_regstart(p->out, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
447 int c2 = nfa_get_regstart(p->out1, depth + 1); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
448 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
449 if (c1 == c2) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
450 return c1; // yes! |
|
4772
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
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|
451 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
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parents:
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diff
changeset
|
452 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
453 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
454 default: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
455 if (p->c > 0) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
456 return p->c; // yes! |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
457 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
458 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
459 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
460 return 0; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
461 } |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
462 |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
463 /* |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
464 * 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
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|
465 * else. If so return a string in allocated memory with what must match after |
|
3dbd251777de
updated for version 7.3.1150
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parents:
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diff
changeset
|
466 * regstart. Otherwise return NULL. |
|
4805
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updated for version 7.3.1149
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diff
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|
467 */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
468 static char_u * |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
469 nfa_get_match_text(nfa_state_T *start) |
|
4805
66803af09906
updated for version 7.3.1149
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diff
changeset
|
470 { |
|
66803af09906
updated for version 7.3.1149
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parents:
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diff
changeset
|
471 nfa_state_T *p = start; |
|
66803af09906
updated for version 7.3.1149
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diff
changeset
|
472 int len = 0; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
473 char_u *ret; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
474 char_u *s; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
475 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
476 if (p->c != NFA_MOPEN) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
477 return NULL; // just in case |
|
4805
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updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
478 p = p->out; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
479 while (p->c > 0) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
480 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
481 len += MB_CHAR2LEN(p->c); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
482 p = p->out; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
483 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
484 if (p->c != NFA_MCLOSE || p->out->c != NFA_MATCH) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
485 return NULL; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
486 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
487 ret = alloc(len); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
488 if (ret != NULL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
489 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
490 p = start->out->out; // skip first char, it goes into regstart |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
491 s = ret; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
492 while (p->c > 0) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
493 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
494 if (has_mbyte) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
495 s += (*mb_char2bytes)(p->c, s); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
496 else |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
497 *s++ = p->c; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
498 p = p->out; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
499 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
500 *s = NUL; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
501 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
502 return ret; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
503 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
504 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
505 /* |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
506 * Allocate more space for post_start. Called when |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
507 * running above the estimated number of states. |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
508 */ |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
509 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
510 realloc_post_list(void) |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
511 { |
|
4667
9e7ef781d494
updated for version 7.3.1081
Bram Moolenaar <bram@vim.org>
parents:
4661
diff
changeset
|
512 int nstate_max = (int)(post_end - post_start); |
|
15904
fec4416adb80
patch 8.1.0958: compiling weird regexp pattern is very slow
Bram Moolenaar <Bram@vim.org>
parents:
15876
diff
changeset
|
513 int new_max; |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
514 int *new_start; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
515 int *old_start; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
516 |
|
15904
fec4416adb80
patch 8.1.0958: compiling weird regexp pattern is very slow
Bram Moolenaar <Bram@vim.org>
parents:
15876
diff
changeset
|
517 // For weird patterns the number of states can be very high. Increasing by |
|
fec4416adb80
patch 8.1.0958: compiling weird regexp pattern is very slow
Bram Moolenaar <Bram@vim.org>
parents:
15876
diff
changeset
|
518 // 50% seems a reasonable compromise between memory use and speed. |
|
fec4416adb80
patch 8.1.0958: compiling weird regexp pattern is very slow
Bram Moolenaar <Bram@vim.org>
parents:
15876
diff
changeset
|
519 new_max = nstate_max * 3 / 2; |
|
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16782
diff
changeset
|
520 new_start = ALLOC_MULT(int, new_max); |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
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521 if (new_start == NULL) |
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522 return FAIL; |
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523 mch_memmove(new_start, post_start, nstate_max * sizeof(int)); |
|
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524 old_start = post_start; |
|
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525 post_start = new_start; |
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526 post_ptr = new_start + (post_ptr - old_start); |
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527 post_end = post_start + new_max; |
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528 vim_free(old_start); |
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529 return OK; |
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530 } |
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531 |
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532 /* |
| 4444 | 533 * Search between "start" and "end" and try to recognize a |
| 534 * character class in expanded form. For example [0-9]. | |
| 535 * On success, return the id the character class to be emitted. | |
| 536 * On failure, return 0 (=FAIL) | |
| 537 * Start points to the first char of the range, while end should point | |
| 538 * to the closing brace. | |
| 5296 | 539 * Keep in mind that 'ignorecase' applies at execution time, thus [a-z] may |
| 540 * need to be interpreted as [a-zA-Z]. | |
| 4444 | 541 */ |
| 542 static int | |
|
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543 nfa_recognize_char_class(char_u *start, char_u *end, int extra_newl) |
| 4444 | 544 { |
|
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545 # define CLASS_not 0x80 |
|
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546 # define CLASS_af 0x40 |
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547 # define CLASS_AF 0x20 |
|
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548 # define CLASS_az 0x10 |
|
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549 # define CLASS_AZ 0x08 |
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550 # define CLASS_o7 0x04 |
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551 # define CLASS_o9 0x02 |
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552 # define CLASS_underscore 0x01 |
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553 |
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554 int newl = FALSE; |
| 4444 | 555 char_u *p; |
|
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556 int config = 0; |
| 4444 | 557 |
| 558 if (extra_newl == TRUE) | |
| 559 newl = TRUE; | |
| 560 | |
| 561 if (*end != ']') | |
| 562 return FAIL; | |
| 563 p = start; | |
| 564 if (*p == '^') | |
| 565 { | |
|
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566 config |= CLASS_not; |
|
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567 p++; |
| 4444 | 568 } |
| 569 | |
| 570 while (p < end) | |
| 571 { | |
| 572 if (p + 2 < end && *(p + 1) == '-') | |
| 573 { | |
| 574 switch (*p) | |
| 575 { | |
| 576 case '0': | |
| 577 if (*(p + 2) == '9') | |
| 578 { | |
|
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579 config |= CLASS_o9; |
| 4444 | 580 break; |
| 581 } | |
| 582 if (*(p + 2) == '7') | |
| 583 { | |
|
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584 config |= CLASS_o7; |
| 4444 | 585 break; |
| 586 } | |
|
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587 return FAIL; |
|
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588 |
| 4444 | 589 case 'a': |
| 590 if (*(p + 2) == 'z') | |
| 591 { | |
|
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592 config |= CLASS_az; |
| 4444 | 593 break; |
| 594 } | |
| 595 if (*(p + 2) == 'f') | |
| 596 { | |
|
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597 config |= CLASS_af; |
| 4444 | 598 break; |
| 599 } | |
|
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600 return FAIL; |
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601 |
| 4444 | 602 case 'A': |
| 603 if (*(p + 2) == 'Z') | |
| 604 { | |
|
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605 config |= CLASS_AZ; |
| 4444 | 606 break; |
| 607 } | |
| 608 if (*(p + 2) == 'F') | |
| 609 { | |
|
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610 config |= CLASS_AF; |
| 4444 | 611 break; |
| 612 } | |
|
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613 return FAIL; |
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614 |
| 4444 | 615 default: |
| 616 return FAIL; | |
| 617 } | |
| 618 p += 3; | |
| 619 } | |
| 620 else if (p + 1 < end && *p == '\\' && *(p + 1) == 'n') | |
| 621 { | |
| 622 newl = TRUE; | |
| 623 p += 2; | |
| 624 } | |
| 625 else if (*p == '_') | |
| 626 { | |
|
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627 config |= CLASS_underscore; |
| 4444 | 628 p ++; |
| 629 } | |
| 630 else if (*p == '\n') | |
| 631 { | |
| 632 newl = TRUE; | |
| 633 p ++; | |
| 634 } | |
| 635 else | |
| 636 return FAIL; | |
|
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637 } // while (p < end) |
| 4444 | 638 |
| 639 if (p != end) | |
| 640 return FAIL; | |
| 641 | |
| 642 if (newl == TRUE) | |
| 5296 | 643 extra_newl = NFA_ADD_NL; |
|
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644 |
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645 switch (config) |
| 4444 | 646 { |
|
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647 case CLASS_o9: |
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648 return extra_newl + NFA_DIGIT; |
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649 case CLASS_not | CLASS_o9: |
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650 return extra_newl + NFA_NDIGIT; |
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651 case CLASS_af | CLASS_AF | CLASS_o9: |
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652 return extra_newl + NFA_HEX; |
|
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653 case CLASS_not | CLASS_af | CLASS_AF | CLASS_o9: |
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654 return extra_newl + NFA_NHEX; |
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655 case CLASS_o7: |
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656 return extra_newl + NFA_OCTAL; |
|
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657 case CLASS_not | CLASS_o7: |
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658 return extra_newl + NFA_NOCTAL; |
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659 case CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
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660 return extra_newl + NFA_WORD; |
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661 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_o9 | CLASS_underscore: |
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662 return extra_newl + NFA_NWORD; |
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663 case CLASS_az | CLASS_AZ | CLASS_underscore: |
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664 return extra_newl + NFA_HEAD; |
|
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665 case CLASS_not | CLASS_az | CLASS_AZ | CLASS_underscore: |
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666 return extra_newl + NFA_NHEAD; |
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667 case CLASS_az | CLASS_AZ: |
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668 return extra_newl + NFA_ALPHA; |
|
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669 case CLASS_not | CLASS_az | CLASS_AZ: |
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670 return extra_newl + NFA_NALPHA; |
|
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671 case CLASS_az: |
| 5296 | 672 return extra_newl + NFA_LOWER_IC; |
|
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673 case CLASS_not | CLASS_az: |
| 5296 | 674 return extra_newl + NFA_NLOWER_IC; |
|
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675 case CLASS_AZ: |
| 5296 | 676 return extra_newl + NFA_UPPER_IC; |
|
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677 case CLASS_not | CLASS_AZ: |
| 5296 | 678 return extra_newl + NFA_NUPPER_IC; |
| 4444 | 679 } |
| 680 return FAIL; | |
| 681 } | |
| 682 | |
| 683 /* | |
| 684 * Produce the bytes for equivalence class "c". | |
| 685 * Currently only handles latin1, latin9 and utf-8. | |
| 686 * Emits bytes in postfix notation: 'a,b,NFA_OR,c,NFA_OR' is | |
| 687 * equivalent to 'a OR b OR c' | |
| 688 * | |
| 689 * NOTE! When changing this function, also update reg_equi_class() | |
| 690 */ | |
| 691 static int | |
|
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|
692 nfa_emit_equi_class(int c) |
| 4444 | 693 { |
| 5351 | 694 #define EMIT2(c) EMIT(c); EMIT(NFA_CONCAT); |
|
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695 #define EMITMBC(c) EMIT(c); EMIT(NFA_CONCAT); |
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696 |
| 4444 | 697 if (enc_utf8 || STRCMP(p_enc, "latin1") == 0 |
| 698 || STRCMP(p_enc, "iso-8859-15") == 0) | |
| 699 { | |
|
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700 #ifdef EBCDIC |
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701 # define A_circumflex 0x62 |
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702 # define A_diaeresis 0x63 |
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703 # define A_grave 0x64 |
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704 # define A_acute 0x65 |
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705 # define A_virguilla 0x66 |
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706 # define A_ring 0x67 |
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707 # define C_cedilla 0x68 |
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708 # define E_acute 0x71 |
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709 # define E_circumflex 0x72 |
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710 # define E_diaeresis 0x73 |
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711 # define E_grave 0x74 |
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712 # define I_acute 0x75 |
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713 # define I_circumflex 0x76 |
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714 # define I_diaeresis 0x77 |
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715 # define I_grave 0x78 |
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
716 # define N_virguilla 0x69 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
717 # define O_circumflex 0xeb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
718 # define O_diaeresis 0xec |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
719 # define O_grave 0xed |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
720 # define O_acute 0xee |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
721 # define O_virguilla 0xef |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
722 # define O_slash 0x80 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
723 # define U_circumflex 0xfb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
724 # define U_diaeresis 0xfc |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
725 # define U_grave 0xfd |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
726 # define U_acute 0xfe |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
8021
diff
changeset
|
727 # define Y_acute 0xba |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
728 # define a_grave 0x42 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
729 # define a_acute 0x43 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
730 # define a_circumflex 0x44 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
731 # define a_virguilla 0x45 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
732 # define a_diaeresis 0x46 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
733 # define a_ring 0x47 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
734 # define c_cedilla 0x48 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
735 # define e_grave 0x51 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
736 # define e_acute 0x52 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
737 # define e_circumflex 0x53 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
738 # define e_diaeresis 0x54 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
739 # define i_grave 0x55 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
740 # define i_acute 0x56 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
741 # define i_circumflex 0x57 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
742 # define i_diaeresis 0x58 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
743 # define n_virguilla 0x49 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
744 # define o_grave 0xcb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
745 # define o_acute 0xcc |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
746 # define o_circumflex 0xcd |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
747 # define o_virguilla 0xce |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
748 # define o_diaeresis 0xcf |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
749 # define o_slash 0x70 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
750 # define u_grave 0xdb |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
751 # define u_acute 0xdc |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
752 # define u_circumflex 0xdd |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
753 # define u_diaeresis 0xde |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
754 # define y_acute 0x8d |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
755 # define y_diaeresis 0xdf |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
756 #else |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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changeset
|
757 # define A_grave 0xc0 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
758 # define A_acute 0xc1 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
759 # define A_circumflex 0xc2 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
760 # define A_virguilla 0xc3 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
761 # define A_diaeresis 0xc4 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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762 # define A_ring 0xc5 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
763 # define C_cedilla 0xc7 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
764 # define E_grave 0xc8 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
765 # define E_acute 0xc9 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
766 # define E_circumflex 0xca |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
767 # define E_diaeresis 0xcb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
768 # define I_grave 0xcc |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
769 # define I_acute 0xcd |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
770 # define I_circumflex 0xce |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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771 # define I_diaeresis 0xcf |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
772 # define N_virguilla 0xd1 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
773 # define O_grave 0xd2 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
774 # define O_acute 0xd3 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
775 # define O_circumflex 0xd4 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
776 # define O_virguilla 0xd5 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
777 # define O_diaeresis 0xd6 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
778 # define O_slash 0xd8 |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
779 # define U_grave 0xd9 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
780 # define U_acute 0xda |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
781 # define U_circumflex 0xdb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
782 # define U_diaeresis 0xdc |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
783 # define Y_acute 0xdd |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
|
784 # define a_grave 0xe0 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
785 # define a_acute 0xe1 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
786 # define a_circumflex 0xe2 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
787 # define a_virguilla 0xe3 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
788 # define a_diaeresis 0xe4 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
8021
diff
changeset
|
789 # define a_ring 0xe5 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
8021
diff
changeset
|
790 # define c_cedilla 0xe7 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
8021
diff
changeset
|
791 # define e_grave 0xe8 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
792 # define e_acute 0xe9 |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
793 # define e_circumflex 0xea |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
794 # define e_diaeresis 0xeb |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
795 # define i_grave 0xec |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
796 # define i_acute 0xed |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
797 # define i_circumflex 0xee |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
Christian Brabandt <cb@256bit.org>
parents:
8021
diff
changeset
|
798 # define i_diaeresis 0xef |
|
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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799 # define n_virguilla 0xf1 |
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800 # define o_grave 0xf2 |
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801 # define o_acute 0xf3 |
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802 # define o_circumflex 0xf4 |
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803 # define o_virguilla 0xf5 |
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804 # define o_diaeresis 0xf6 |
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805 # define o_slash 0xf8 |
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806 # define u_grave 0xf9 |
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807 # define u_acute 0xfa |
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808 # define u_circumflex 0xfb |
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809 # define u_diaeresis 0xfc |
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810 # define y_acute 0xfd |
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811 # define y_diaeresis 0xff |
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812 #endif |
| 4444 | 813 switch (c) |
| 814 { | |
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815 case 'A': case A_grave: case A_acute: case A_circumflex: |
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816 case A_virguilla: case A_diaeresis: case A_ring: |
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817 CASEMBC(0x100) CASEMBC(0x102) CASEMBC(0x104) |
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818 CASEMBC(0x1cd) CASEMBC(0x1de) CASEMBC(0x1e0) |
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819 CASEMBC(0x1ea2) |
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820 EMIT2('A'); EMIT2(A_grave); EMIT2(A_acute); |
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821 EMIT2(A_circumflex); EMIT2(A_virguilla); |
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822 EMIT2(A_diaeresis); EMIT2(A_ring); |
| 5351 | 823 EMITMBC(0x100) EMITMBC(0x102) EMITMBC(0x104) |
| 824 EMITMBC(0x1cd) EMITMBC(0x1de) EMITMBC(0x1e0) | |
| 825 EMITMBC(0x1ea2) | |
| 826 return OK; | |
| 827 | |
| 828 case 'B': CASEMBC(0x1e02) CASEMBC(0x1e06) | |
| 829 EMIT2('B'); EMITMBC(0x1e02) EMITMBC(0x1e06) | |
| 4444 | 830 return OK; |
| 831 | |
|
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832 case 'C': case C_cedilla: CASEMBC(0x106) CASEMBC(0x108) |
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833 CASEMBC(0x10a) CASEMBC(0x10c) |
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834 EMIT2('C'); EMIT2(C_cedilla); |
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835 EMITMBC(0x106) EMITMBC(0x108) |
| 5351 | 836 EMITMBC(0x10a) EMITMBC(0x10c) |
| 837 return OK; | |
| 838 | |
| 839 case 'D': CASEMBC(0x10e) CASEMBC(0x110) CASEMBC(0x1e0a) | |
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840 CASEMBC(0x1e0e) CASEMBC(0x1e10) |
| 5351 | 841 EMIT2('D'); EMITMBC(0x10e) EMITMBC(0x110) EMITMBC(0x1e0a) |
| 842 EMITMBC(0x1e0e) EMITMBC(0x1e10) | |
| 4444 | 843 return OK; |
| 844 | |
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845 case 'E': case E_grave: case E_acute: case E_circumflex: |
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846 case E_diaeresis: CASEMBC(0x112) CASEMBC(0x114) |
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847 CASEMBC(0x116) CASEMBC(0x118) CASEMBC(0x11a) |
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848 CASEMBC(0x1eba) CASEMBC(0x1ebc) |
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849 EMIT2('E'); EMIT2(E_grave); EMIT2(E_acute); |
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850 EMIT2(E_circumflex); EMIT2(E_diaeresis); |
| 5351 | 851 EMITMBC(0x112) EMITMBC(0x114) EMITMBC(0x116) |
| 852 EMITMBC(0x118) EMITMBC(0x11a) EMITMBC(0x1eba) | |
| 853 EMITMBC(0x1ebc) | |
| 854 return OK; | |
| 855 | |
| 856 case 'F': CASEMBC(0x1e1e) | |
| 857 EMIT2('F'); EMITMBC(0x1e1e) | |
| 858 return OK; | |
| 859 | |
| 860 case 'G': CASEMBC(0x11c) CASEMBC(0x11e) CASEMBC(0x120) | |
|
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861 CASEMBC(0x122) CASEMBC(0x1e4) CASEMBC(0x1e6) |
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862 CASEMBC(0x1f4) CASEMBC(0x1e20) |
| 5351 | 863 EMIT2('G'); EMITMBC(0x11c) EMITMBC(0x11e) EMITMBC(0x120) |
| 864 EMITMBC(0x122) EMITMBC(0x1e4) EMITMBC(0x1e6) | |
| 865 EMITMBC(0x1f4) EMITMBC(0x1e20) | |
| 866 return OK; | |
| 867 | |
| 868 case 'H': CASEMBC(0x124) CASEMBC(0x126) CASEMBC(0x1e22) | |
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869 CASEMBC(0x1e26) CASEMBC(0x1e28) |
| 5351 | 870 EMIT2('H'); EMITMBC(0x124) EMITMBC(0x126) EMITMBC(0x1e22) |
| 871 EMITMBC(0x1e26) EMITMBC(0x1e28) | |
| 4444 | 872 return OK; |
| 873 | |
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874 case 'I': case I_grave: case I_acute: case I_circumflex: |
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875 case I_diaeresis: CASEMBC(0x128) CASEMBC(0x12a) |
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876 CASEMBC(0x12c) CASEMBC(0x12e) CASEMBC(0x130) |
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877 CASEMBC(0x1cf) CASEMBC(0x1ec8) |
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878 EMIT2('I'); EMIT2(I_grave); EMIT2(I_acute); |
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879 EMIT2(I_circumflex); EMIT2(I_diaeresis); |
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880 EMITMBC(0x128) EMITMBC(0x12a) |
| 5351 | 881 EMITMBC(0x12c) EMITMBC(0x12e) EMITMBC(0x130) |
| 882 EMITMBC(0x1cf) EMITMBC(0x1ec8) | |
| 883 return OK; | |
| 884 | |
| 885 case 'J': CASEMBC(0x134) | |
| 886 EMIT2('J'); EMITMBC(0x134) | |
| 887 return OK; | |
| 888 | |
| 889 case 'K': CASEMBC(0x136) CASEMBC(0x1e8) CASEMBC(0x1e30) | |
|
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890 CASEMBC(0x1e34) |
| 5351 | 891 EMIT2('K'); EMITMBC(0x136) EMITMBC(0x1e8) EMITMBC(0x1e30) |
| 892 EMITMBC(0x1e34) | |
| 893 return OK; | |
| 894 | |
| 895 case 'L': CASEMBC(0x139) CASEMBC(0x13b) CASEMBC(0x13d) | |
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896 CASEMBC(0x13f) CASEMBC(0x141) CASEMBC(0x1e3a) |
| 5351 | 897 EMIT2('L'); EMITMBC(0x139) EMITMBC(0x13b) EMITMBC(0x13d) |
| 898 EMITMBC(0x13f) EMITMBC(0x141) EMITMBC(0x1e3a) | |
| 899 return OK; | |
| 900 | |
| 901 case 'M': CASEMBC(0x1e3e) CASEMBC(0x1e40) | |
| 902 EMIT2('M'); EMITMBC(0x1e3e) EMITMBC(0x1e40) | |
| 4444 | 903 return OK; |
| 904 | |
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905 case 'N': case N_virguilla: CASEMBC(0x143) CASEMBC(0x145) |
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906 CASEMBC(0x147) CASEMBC(0x1e44) CASEMBC(0x1e48) |
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907 EMIT2('N'); EMIT2(N_virguilla); |
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908 EMITMBC(0x143) EMITMBC(0x145) |
| 5351 | 909 EMITMBC(0x147) EMITMBC(0x1e44) EMITMBC(0x1e48) |
| 4444 | 910 return OK; |
| 911 | |
|
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912 case 'O': case O_grave: case O_acute: case O_circumflex: |
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913 case O_virguilla: case O_diaeresis: case O_slash: |
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914 CASEMBC(0x14c) CASEMBC(0x14e) CASEMBC(0x150) |
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915 CASEMBC(0x1a0) CASEMBC(0x1d1) CASEMBC(0x1ea) |
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916 CASEMBC(0x1ec) CASEMBC(0x1ece) |
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917 EMIT2('O'); EMIT2(O_grave); EMIT2(O_acute); |
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918 EMIT2(O_circumflex); EMIT2(O_virguilla); |
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919 EMIT2(O_diaeresis); EMIT2(O_slash); |
| 5351 | 920 EMITMBC(0x14c) EMITMBC(0x14e) EMITMBC(0x150) |
| 921 EMITMBC(0x1a0) EMITMBC(0x1d1) EMITMBC(0x1ea) | |
| 922 EMITMBC(0x1ec) EMITMBC(0x1ece) | |
| 923 return OK; | |
| 924 | |
| 925 case 'P': case 0x1e54: case 0x1e56: | |
| 926 EMIT2('P'); EMITMBC(0x1e54) EMITMBC(0x1e56) | |
| 927 return OK; | |
| 928 | |
| 929 case 'R': CASEMBC(0x154) CASEMBC(0x156) CASEMBC(0x158) | |
|
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930 CASEMBC(0x1e58) CASEMBC(0x1e5e) |
| 5351 | 931 EMIT2('R'); EMITMBC(0x154) EMITMBC(0x156) EMITMBC(0x158) |
| 932 EMITMBC(0x1e58) EMITMBC(0x1e5e) | |
| 933 return OK; | |
| 934 | |
| 935 case 'S': CASEMBC(0x15a) CASEMBC(0x15c) CASEMBC(0x15e) | |
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936 CASEMBC(0x160) CASEMBC(0x1e60) |
| 5351 | 937 EMIT2('S'); EMITMBC(0x15a) EMITMBC(0x15c) EMITMBC(0x15e) |
| 938 EMITMBC(0x160) EMITMBC(0x1e60) | |
| 939 return OK; | |
| 940 | |
| 941 case 'T': CASEMBC(0x162) CASEMBC(0x164) CASEMBC(0x166) | |
|
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942 CASEMBC(0x1e6a) CASEMBC(0x1e6e) |
| 5351 | 943 EMIT2('T'); EMITMBC(0x162) EMITMBC(0x164) EMITMBC(0x166) |
| 944 EMITMBC(0x1e6a) EMITMBC(0x1e6e) | |
| 4444 | 945 return OK; |
| 946 | |
|
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947 case 'U': case U_grave: case U_acute: case U_diaeresis: |
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948 case U_circumflex: CASEMBC(0x168) CASEMBC(0x16a) |
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949 CASEMBC(0x16c) CASEMBC(0x16e) CASEMBC(0x170) |
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950 CASEMBC(0x172) CASEMBC(0x1af) CASEMBC(0x1d3) |
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951 CASEMBC(0x1ee6) |
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952 EMIT2('U'); EMIT2(U_grave); EMIT2(U_acute); |
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953 EMIT2(U_diaeresis); EMIT2(U_circumflex); |
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954 EMITMBC(0x168) EMITMBC(0x16a) |
| 5351 | 955 EMITMBC(0x16c) EMITMBC(0x16e) EMITMBC(0x170) |
| 956 EMITMBC(0x172) EMITMBC(0x1af) EMITMBC(0x1d3) | |
| 957 EMITMBC(0x1ee6) | |
| 958 return OK; | |
| 959 | |
| 960 case 'V': CASEMBC(0x1e7c) | |
| 961 EMIT2('V'); EMITMBC(0x1e7c) | |
| 962 return OK; | |
| 963 | |
| 964 case 'W': CASEMBC(0x174) CASEMBC(0x1e80) CASEMBC(0x1e82) | |
|
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965 CASEMBC(0x1e84) CASEMBC(0x1e86) |
| 5351 | 966 EMIT2('W'); EMITMBC(0x174) EMITMBC(0x1e80) EMITMBC(0x1e82) |
| 967 EMITMBC(0x1e84) EMITMBC(0x1e86) | |
| 968 return OK; | |
| 969 | |
| 970 case 'X': CASEMBC(0x1e8a) CASEMBC(0x1e8c) | |
| 971 EMIT2('X'); EMITMBC(0x1e8a) EMITMBC(0x1e8c) | |
| 4444 | 972 return OK; |
| 973 | |
|
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974 case 'Y': case Y_acute: CASEMBC(0x176) CASEMBC(0x178) |
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975 CASEMBC(0x1e8e) CASEMBC(0x1ef2) CASEMBC(0x1ef6) |
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976 CASEMBC(0x1ef8) |
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977 EMIT2('Y'); EMIT2(Y_acute); |
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978 EMITMBC(0x176) EMITMBC(0x178) |
| 5351 | 979 EMITMBC(0x1e8e) EMITMBC(0x1ef2) EMITMBC(0x1ef6) |
| 980 EMITMBC(0x1ef8) | |
| 981 return OK; | |
| 982 | |
| 983 case 'Z': CASEMBC(0x179) CASEMBC(0x17b) CASEMBC(0x17d) | |
|
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984 CASEMBC(0x1b5) CASEMBC(0x1e90) CASEMBC(0x1e94) |
| 5351 | 985 EMIT2('Z'); EMITMBC(0x179) EMITMBC(0x17b) EMITMBC(0x17d) |
| 986 EMITMBC(0x1b5) EMITMBC(0x1e90) EMITMBC(0x1e94) | |
| 4444 | 987 return OK; |
| 988 | |
|
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989 case 'a': case a_grave: case a_acute: case a_circumflex: |
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990 case a_virguilla: case a_diaeresis: case a_ring: |
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991 CASEMBC(0x101) CASEMBC(0x103) CASEMBC(0x105) |
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992 CASEMBC(0x1ce) CASEMBC(0x1df) CASEMBC(0x1e1) |
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993 CASEMBC(0x1ea3) |
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994 EMIT2('a'); EMIT2(a_grave); EMIT2(a_acute); |
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995 EMIT2(a_circumflex); EMIT2(a_virguilla); |
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996 EMIT2(a_diaeresis); EMIT2(a_ring); |
| 5351 | 997 EMITMBC(0x101) EMITMBC(0x103) EMITMBC(0x105) |
| 998 EMITMBC(0x1ce) EMITMBC(0x1df) EMITMBC(0x1e1) | |
| 999 EMITMBC(0x1ea3) | |
| 1000 return OK; | |
| 1001 | |
| 1002 case 'b': CASEMBC(0x1e03) CASEMBC(0x1e07) | |
| 1003 EMIT2('b'); EMITMBC(0x1e03) EMITMBC(0x1e07) | |
| 4444 | 1004 return OK; |
| 1005 | |
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1006 case 'c': case c_cedilla: CASEMBC(0x107) CASEMBC(0x109) |
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1007 CASEMBC(0x10b) CASEMBC(0x10d) |
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1008 EMIT2('c'); EMIT2(c_cedilla); |
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1009 EMITMBC(0x107) EMITMBC(0x109) |
| 5351 | 1010 EMITMBC(0x10b) EMITMBC(0x10d) |
| 1011 return OK; | |
| 1012 | |
| 6914 | 1013 case 'd': CASEMBC(0x10f) CASEMBC(0x111) CASEMBC(0x1e0b) |
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1014 CASEMBC(0x1e0f) CASEMBC(0x1e11) |
| 6914 | 1015 EMIT2('d'); EMITMBC(0x10f) EMITMBC(0x111) |
| 1016 EMITMBC(0x1e0b) EMITMBC(0x1e0f) EMITMBC(0x1e11) | |
| 4444 | 1017 return OK; |
| 1018 | |
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1019 case 'e': case e_grave: case e_acute: case e_circumflex: |
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1020 case e_diaeresis: CASEMBC(0x113) CASEMBC(0x115) |
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1021 CASEMBC(0x117) CASEMBC(0x119) CASEMBC(0x11b) |
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1022 CASEMBC(0x1ebb) CASEMBC(0x1ebd) |
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1023 EMIT2('e'); EMIT2(e_grave); EMIT2(e_acute); |
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1024 EMIT2(e_circumflex); EMIT2(e_diaeresis); |
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1025 EMITMBC(0x113) EMITMBC(0x115) |
| 5351 | 1026 EMITMBC(0x117) EMITMBC(0x119) EMITMBC(0x11b) |
| 1027 EMITMBC(0x1ebb) EMITMBC(0x1ebd) | |
| 1028 return OK; | |
| 1029 | |
| 1030 case 'f': CASEMBC(0x1e1f) | |
| 1031 EMIT2('f'); EMITMBC(0x1e1f) | |
| 1032 return OK; | |
| 1033 | |
| 1034 case 'g': CASEMBC(0x11d) CASEMBC(0x11f) CASEMBC(0x121) | |
|
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1035 CASEMBC(0x123) CASEMBC(0x1e5) CASEMBC(0x1e7) |
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1036 CASEMBC(0x1f5) CASEMBC(0x1e21) |
| 5351 | 1037 EMIT2('g'); EMITMBC(0x11d) EMITMBC(0x11f) EMITMBC(0x121) |
| 1038 EMITMBC(0x123) EMITMBC(0x1e5) EMITMBC(0x1e7) | |
| 1039 EMITMBC(0x1f5) EMITMBC(0x1e21) | |
| 1040 return OK; | |
| 1041 | |
| 1042 case 'h': CASEMBC(0x125) CASEMBC(0x127) CASEMBC(0x1e23) | |
|
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1043 CASEMBC(0x1e27) CASEMBC(0x1e29) CASEMBC(0x1e96) |
| 5351 | 1044 EMIT2('h'); EMITMBC(0x125) EMITMBC(0x127) EMITMBC(0x1e23) |
| 1045 EMITMBC(0x1e27) EMITMBC(0x1e29) EMITMBC(0x1e96) | |
| 4444 | 1046 return OK; |
| 1047 | |
|
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1048 case 'i': case i_grave: case i_acute: case i_circumflex: |
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1049 case i_diaeresis: CASEMBC(0x129) CASEMBC(0x12b) |
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1050 CASEMBC(0x12d) CASEMBC(0x12f) CASEMBC(0x1d0) |
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1051 CASEMBC(0x1ec9) |
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1052 EMIT2('i'); EMIT2(i_grave); EMIT2(i_acute); |
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1053 EMIT2(i_circumflex); EMIT2(i_diaeresis); |
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1054 EMITMBC(0x129) EMITMBC(0x12b) |
| 5351 | 1055 EMITMBC(0x12d) EMITMBC(0x12f) EMITMBC(0x1d0) |
| 1056 EMITMBC(0x1ec9) | |
| 1057 return OK; | |
| 1058 | |
| 1059 case 'j': CASEMBC(0x135) CASEMBC(0x1f0) | |
| 1060 EMIT2('j'); EMITMBC(0x135) EMITMBC(0x1f0) | |
| 1061 return OK; | |
| 1062 | |
| 1063 case 'k': CASEMBC(0x137) CASEMBC(0x1e9) CASEMBC(0x1e31) | |
|
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1064 CASEMBC(0x1e35) |
| 5351 | 1065 EMIT2('k'); EMITMBC(0x137) EMITMBC(0x1e9) EMITMBC(0x1e31) |
| 1066 EMITMBC(0x1e35) | |
| 1067 return OK; | |
| 1068 | |
| 1069 case 'l': CASEMBC(0x13a) CASEMBC(0x13c) CASEMBC(0x13e) | |
|
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1070 CASEMBC(0x140) CASEMBC(0x142) CASEMBC(0x1e3b) |
| 5351 | 1071 EMIT2('l'); EMITMBC(0x13a) EMITMBC(0x13c) EMITMBC(0x13e) |
| 1072 EMITMBC(0x140) EMITMBC(0x142) EMITMBC(0x1e3b) | |
| 1073 return OK; | |
| 1074 | |
| 1075 case 'm': CASEMBC(0x1e3f) CASEMBC(0x1e41) | |
| 1076 EMIT2('m'); EMITMBC(0x1e3f) EMITMBC(0x1e41) | |
| 4444 | 1077 return OK; |
| 1078 | |
|
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1079 case 'n': case n_virguilla: CASEMBC(0x144) CASEMBC(0x146) |
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1080 CASEMBC(0x148) CASEMBC(0x149) CASEMBC(0x1e45) |
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1081 CASEMBC(0x1e49) |
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1082 EMIT2('n'); EMIT2(n_virguilla); |
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1083 EMITMBC(0x144) EMITMBC(0x146) |
| 5351 | 1084 EMITMBC(0x148) EMITMBC(0x149) EMITMBC(0x1e45) |
| 1085 EMITMBC(0x1e49) | |
| 4444 | 1086 return OK; |
| 1087 | |
|
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
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1088 case 'o': case o_grave: case o_acute: case o_circumflex: |
|
f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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parents:
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diff
changeset
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1089 case o_virguilla: case o_diaeresis: case o_slash: |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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1090 CASEMBC(0x14d) CASEMBC(0x14f) CASEMBC(0x151) |
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commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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1091 CASEMBC(0x1a1) CASEMBC(0x1d2) CASEMBC(0x1eb) |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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1092 CASEMBC(0x1ed) CASEMBC(0x1ecf) |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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1093 EMIT2('o'); EMIT2(o_grave); EMIT2(o_acute); |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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1094 EMIT2(o_circumflex); EMIT2(o_virguilla); |
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f196308a2813
commit https://github.com/vim/vim/commit/2a6fa564a3b5061c14ff63b8b0f12801df0b0ac2
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|
1095 EMIT2(o_diaeresis); EMIT2(o_slash); |
| 5351 | 1096 EMITMBC(0x14d) EMITMBC(0x14f) EMITMBC(0x151) |
| 1097 EMITMBC(0x1a1) EMITMBC(0x1d2) EMITMBC(0x1eb) | |
| 1098 EMITMBC(0x1ed) EMITMBC(0x1ecf) | |
| 1099 return OK; | |
| 1100 | |
| 1101 case 'p': CASEMBC(0x1e55) CASEMBC(0x1e57) | |
| 1102 EMIT2('p'); EMITMBC(0x1e55) EMITMBC(0x1e57) | |
| 1103 return OK; | |
| 1104 | |
| 1105 case 'r': CASEMBC(0x155) CASEMBC(0x157) CASEMBC(0x159) | |
|
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changeset
|
1106 CASEMBC(0x1e59) CASEMBC(0x1e5f) |
| 5351 | 1107 EMIT2('r'); EMITMBC(0x155) EMITMBC(0x157) EMITMBC(0x159) |
| 1108 EMITMBC(0x1e59) EMITMBC(0x1e5f) | |
| 1109 return OK; | |
| 1110 | |
| 1111 case 's': CASEMBC(0x15b) CASEMBC(0x15d) CASEMBC(0x15f) | |
|
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1112 CASEMBC(0x161) CASEMBC(0x1e61) |
| 5351 | 1113 EMIT2('s'); EMITMBC(0x15b) EMITMBC(0x15d) EMITMBC(0x15f) |
| 1114 EMITMBC(0x161) EMITMBC(0x1e61) | |
| 1115 return OK; | |
| 1116 | |
| 1117 case 't': CASEMBC(0x163) CASEMBC(0x165) CASEMBC(0x167) | |
|
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1118 CASEMBC(0x1e6b) CASEMBC(0x1e6f) CASEMBC(0x1e97) |
| 5351 | 1119 EMIT2('t'); EMITMBC(0x163) EMITMBC(0x165) EMITMBC(0x167) |
| 1120 EMITMBC(0x1e6b) EMITMBC(0x1e6f) EMITMBC(0x1e97) | |
| 4444 | 1121 return OK; |
| 1122 | |
|
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1123 case 'u': case u_grave: case u_acute: case u_circumflex: |
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1124 case u_diaeresis: CASEMBC(0x169) CASEMBC(0x16b) |
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1125 CASEMBC(0x16d) CASEMBC(0x16f) CASEMBC(0x171) |
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1126 CASEMBC(0x173) CASEMBC(0x1b0) CASEMBC(0x1d4) |
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1127 CASEMBC(0x1ee7) |
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1128 EMIT2('u'); EMIT2(u_grave); EMIT2(u_acute); |
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1129 EMIT2(u_circumflex); EMIT2(u_diaeresis); |
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1130 EMITMBC(0x169) EMITMBC(0x16b) |
| 5351 | 1131 EMITMBC(0x16d) EMITMBC(0x16f) EMITMBC(0x171) |
| 1132 EMITMBC(0x173) EMITMBC(0x1b0) EMITMBC(0x1d4) | |
| 1133 EMITMBC(0x1ee7) | |
| 1134 return OK; | |
| 1135 | |
| 1136 case 'v': CASEMBC(0x1e7d) | |
| 1137 EMIT2('v'); EMITMBC(0x1e7d) | |
| 1138 return OK; | |
| 1139 | |
| 1140 case 'w': CASEMBC(0x175) CASEMBC(0x1e81) CASEMBC(0x1e83) | |
|
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1141 CASEMBC(0x1e85) CASEMBC(0x1e87) CASEMBC(0x1e98) |
| 5351 | 1142 EMIT2('w'); EMITMBC(0x175) EMITMBC(0x1e81) EMITMBC(0x1e83) |
| 1143 EMITMBC(0x1e85) EMITMBC(0x1e87) EMITMBC(0x1e98) | |
| 1144 return OK; | |
| 1145 | |
| 1146 case 'x': CASEMBC(0x1e8b) CASEMBC(0x1e8d) | |
| 1147 EMIT2('x'); EMITMBC(0x1e8b) EMITMBC(0x1e8d) | |
| 4444 | 1148 return OK; |
| 1149 | |
|
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1150 case 'y': case y_acute: case y_diaeresis: CASEMBC(0x177) |
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1151 CASEMBC(0x1e8f) CASEMBC(0x1e99) CASEMBC(0x1ef3) |
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1152 CASEMBC(0x1ef7) CASEMBC(0x1ef9) |
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1153 EMIT2('y'); EMIT2(y_acute); EMIT2(y_diaeresis); |
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1154 EMITMBC(0x177) |
| 5351 | 1155 EMITMBC(0x1e8f) EMITMBC(0x1e99) EMITMBC(0x1ef3) |
| 1156 EMITMBC(0x1ef7) EMITMBC(0x1ef9) | |
| 4444 | 1157 return OK; |
| 1158 | |
| 5351 | 1159 case 'z': CASEMBC(0x17a) CASEMBC(0x17c) CASEMBC(0x17e) |
|
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1160 CASEMBC(0x1b6) CASEMBC(0x1e91) CASEMBC(0x1e95) |
| 5351 | 1161 EMIT2('z'); EMITMBC(0x17a) EMITMBC(0x17c) EMITMBC(0x17e) |
| 1162 EMITMBC(0x1b6) EMITMBC(0x1e91) EMITMBC(0x1e95) | |
| 1163 return OK; | |
| 1164 | |
|
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1165 // default: character itself |
| 4444 | 1166 } |
| 1167 } | |
| 1168 | |
| 5351 | 1169 EMIT2(c); |
| 4444 | 1170 return OK; |
| 1171 #undef EMIT2 | |
| 5351 | 1172 #undef EMITMBC |
| 4444 | 1173 } |
| 1174 | |
| 1175 /* | |
| 1176 * Code to parse regular expression. | |
| 1177 * | |
| 1178 * We try to reuse parsing functions in regexp.c to | |
| 1179 * minimize surprise and keep the syntax consistent. | |
| 1180 */ | |
| 1181 | |
| 1182 /* | |
| 1183 * Parse the lowest level. | |
| 1184 * | |
| 1185 * An atom can be one of a long list of items. Many atoms match one character | |
| 1186 * in the text. It is often an ordinary character or a character class. | |
| 1187 * Braces can be used to make a pattern into an atom. The "\z(\)" construct | |
| 1188 * is only for syntax highlighting. | |
| 1189 * | |
| 1190 * atom ::= ordinary-atom | |
| 1191 * or \( pattern \) | |
| 1192 * or \%( pattern \) | |
| 1193 * or \z( pattern \) | |
| 1194 */ | |
| 1195 static int | |
|
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1196 nfa_regatom(void) |
| 4444 | 1197 { |
| 1198 int c; | |
| 1199 int charclass; | |
| 1200 int equiclass; | |
| 1201 int collclass; | |
| 1202 int got_coll_char; | |
| 1203 char_u *p; | |
| 1204 char_u *endp; | |
| 1205 char_u *old_regparse = regparse; | |
| 1206 int extra = 0; | |
| 1207 int emit_range; | |
| 1208 int negated; | |
| 1209 int result; | |
| 1210 int startc = -1; | |
| 1211 int endc = -1; | |
| 1212 int oldstartc = -1; | |
|
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1213 int save_prev_at_start = prev_at_start; |
| 4444 | 1214 |
| 1215 c = getchr(); | |
| 1216 switch (c) | |
| 1217 { | |
|
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1218 case NUL: |
| 5511 | 1219 EMSG_RET_FAIL(_(e_nul_found)); |
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1220 |
| 4444 | 1221 case Magic('^'): |
| 1222 EMIT(NFA_BOL); | |
| 1223 break; | |
| 1224 | |
| 1225 case Magic('$'): | |
| 1226 EMIT(NFA_EOL); | |
| 1227 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 1228 had_eol = TRUE; | |
| 1229 #endif | |
| 1230 break; | |
| 1231 | |
| 1232 case Magic('<'): | |
| 1233 EMIT(NFA_BOW); | |
| 1234 break; | |
| 1235 | |
| 1236 case Magic('>'): | |
| 1237 EMIT(NFA_EOW); | |
| 1238 break; | |
| 1239 | |
| 1240 case Magic('_'): | |
| 1241 c = no_Magic(getchr()); | |
| 5511 | 1242 if (c == NUL) |
| 1243 EMSG_RET_FAIL(_(e_nul_found)); | |
| 1244 | |
|
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1245 if (c == '^') // "\_^" is start-of-line |
| 4444 | 1246 { |
| 1247 EMIT(NFA_BOL); | |
| 1248 break; | |
| 1249 } | |
|
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changeset
|
1250 if (c == '$') // "\_$" is end-of-line |
| 4444 | 1251 { |
| 1252 EMIT(NFA_EOL); | |
| 1253 #if defined(FEAT_SYN_HL) || defined(PROTO) | |
| 1254 had_eol = TRUE; | |
| 1255 #endif | |
| 1256 break; | |
| 1257 } | |
| 1258 | |
| 5296 | 1259 extra = NFA_ADD_NL; |
| 4444 | 1260 |
|
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1261 // "\_[" is collection plus newline |
| 4444 | 1262 if (c == '[') |
|
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1263 goto collection; |
| 4444 | 1264 |
|
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1265 // "\_x" is character class plus newline |
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changeset
|
1266 // FALLTHROUGH |
| 4444 | 1267 |
| 1268 /* | |
| 1269 * Character classes. | |
| 1270 */ | |
| 1271 case Magic('.'): | |
| 1272 case Magic('i'): | |
| 1273 case Magic('I'): | |
| 1274 case Magic('k'): | |
| 1275 case Magic('K'): | |
| 1276 case Magic('f'): | |
| 1277 case Magic('F'): | |
| 1278 case Magic('p'): | |
| 1279 case Magic('P'): | |
| 1280 case Magic('s'): | |
| 1281 case Magic('S'): | |
| 1282 case Magic('d'): | |
| 1283 case Magic('D'): | |
| 1284 case Magic('x'): | |
| 1285 case Magic('X'): | |
| 1286 case Magic('o'): | |
| 1287 case Magic('O'): | |
| 1288 case Magic('w'): | |
| 1289 case Magic('W'): | |
| 1290 case Magic('h'): | |
| 1291 case Magic('H'): | |
| 1292 case Magic('a'): | |
| 1293 case Magic('A'): | |
| 1294 case Magic('l'): | |
| 1295 case Magic('L'): | |
| 1296 case Magic('u'): | |
| 1297 case Magic('U'): | |
| 1298 p = vim_strchr(classchars, no_Magic(c)); | |
| 1299 if (p == NULL) | |
| 1300 { | |
| 5511 | 1301 if (extra == NFA_ADD_NL) |
| 1302 { | |
|
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1303 semsg(_(e_ill_char_class), c); |
| 5511 | 1304 rc_did_emsg = TRUE; |
| 1305 return FAIL; | |
| 1306 } | |
|
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patch 8.1.0753: printf format not checked for semsg()
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1307 siemsg("INTERNAL: Unknown character class char: %d", c); |
|
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1308 return FAIL; |
| 4444 | 1309 } |
|
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1310 |
|
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1311 // When '.' is followed by a composing char ignore the dot, so that |
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changeset
|
1312 // the composing char is matched here. |
| 4444 | 1313 if (enc_utf8 && c == Magic('.') && utf_iscomposing(peekchr())) |
| 1314 { | |
|
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|
1315 old_regparse = regparse; |
| 4444 | 1316 c = getchr(); |
| 1317 goto nfa_do_multibyte; | |
| 1318 } | |
| 1319 EMIT(nfa_classcodes[p - classchars]); | |
| 5296 | 1320 if (extra == NFA_ADD_NL) |
| 4444 | 1321 { |
| 1322 EMIT(NFA_NEWL); | |
| 1323 EMIT(NFA_OR); | |
| 1324 regflags |= RF_HASNL; | |
| 1325 } | |
| 1326 break; | |
| 1327 | |
| 1328 case Magic('n'): | |
| 1329 if (reg_string) | |
|
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1330 // In a string "\n" matches a newline character. |
|
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1331 EMIT(NL); |
| 4444 | 1332 else |
| 1333 { | |
|
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1334 // In buffer text "\n" matches the end of a line. |
| 4444 | 1335 EMIT(NFA_NEWL); |
| 1336 regflags |= RF_HASNL; | |
| 1337 } | |
| 1338 break; | |
| 1339 | |
| 1340 case Magic('('): | |
| 1341 if (nfa_reg(REG_PAREN) == FAIL) | |
|
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1342 return FAIL; // cascaded error |
| 4444 | 1343 break; |
| 1344 | |
| 1345 case Magic('|'): | |
| 1346 case Magic('&'): | |
| 1347 case Magic(')'): | |
|
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1348 semsg(_(e_misplaced), no_Magic(c)); |
| 4444 | 1349 return FAIL; |
| 1350 | |
| 1351 case Magic('='): | |
| 1352 case Magic('?'): | |
| 1353 case Magic('+'): | |
| 1354 case Magic('@'): | |
| 1355 case Magic('*'): | |
| 1356 case Magic('{'): | |
|
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changeset
|
1357 // these should follow an atom, not form an atom |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1358 semsg(_(e_misplaced), no_Magic(c)); |
| 4444 | 1359 return FAIL; |
| 1360 | |
|
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1361 case Magic('~'): |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1362 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1363 char_u *lp; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1364 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1365 // Previous substitute pattern. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1366 // Generated as "\%(pattern\)". |
|
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1367 if (reg_prev_sub == NULL) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1368 { |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1369 emsg(_(e_nopresub)); |
|
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1370 return FAIL; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1371 } |
|
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1372 for (lp = reg_prev_sub; *lp != NUL; MB_CPTR_ADV(lp)) |
|
4714
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1373 { |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1374 EMIT(PTR2CHAR(lp)); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1375 if (lp != reg_prev_sub) |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1376 EMIT(NFA_CONCAT); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1377 } |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1378 EMIT(NFA_NOPEN); |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1379 break; |
|
fc4d7f02ea3a
updated for version 7.3.1104
Bram Moolenaar <bram@vim.org>
parents:
4712
diff
changeset
|
1380 } |
| 4444 | 1381 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1382 case Magic('1'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1383 case Magic('2'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1384 case Magic('3'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1385 case Magic('4'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1386 case Magic('5'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1387 case Magic('6'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1388 case Magic('7'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1389 case Magic('8'): |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1390 case Magic('9'): |
|
11525
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1391 { |
|
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1392 int refnum = no_Magic(c) - '1'; |
|
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1393 |
|
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1394 if (!seen_endbrace(refnum + 1)) |
|
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1395 return FAIL; |
|
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1396 EMIT(NFA_BACKREF1 + refnum); |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
1397 rex.nfa_has_backref = TRUE; |
|
11525
14b6b79d685b
patch 8.0.0645: no error for illegal back reference in NFA engine
Christian Brabandt <cb@256bit.org>
parents:
11521
diff
changeset
|
1398 } |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
1399 break; |
| 4444 | 1400 |
| 1401 case Magic('z'): | |
| 1402 c = no_Magic(getchr()); | |
| 1403 switch (c) | |
| 1404 { | |
| 1405 case 's': | |
| 1406 EMIT(NFA_ZSTART); | |
| 6170 | 1407 if (re_mult_next("\\zs") == FAIL) |
| 1408 return FAIL; | |
| 4444 | 1409 break; |
| 1410 case 'e': | |
| 1411 EMIT(NFA_ZEND); | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
1412 rex.nfa_has_zend = TRUE; |
| 6170 | 1413 if (re_mult_next("\\ze") == FAIL) |
| 1414 return FAIL; | |
|
4569
f262fb02889d
updated for version 7.3.1032
Bram Moolenaar <bram@vim.org>
parents:
4567
diff
changeset
|
1415 break; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1416 #ifdef FEAT_SYN_HL |
| 4444 | 1417 case '1': |
| 1418 case '2': | |
| 1419 case '3': | |
| 1420 case '4': | |
| 1421 case '5': | |
| 1422 case '6': | |
| 1423 case '7': | |
| 1424 case '8': | |
| 1425 case '9': | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1426 // \z1...\z9 |
|
14161
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
14159
diff
changeset
|
1427 if ((reg_do_extmatch & REX_USE) == 0) |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1428 EMSG_RET_FAIL(_(e_z1_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1429 EMIT(NFA_ZREF1 + (no_Magic(c) - '1')); |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1430 // No need to set rex.nfa_has_backref, the sub-matches don't |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1431 // change when \z1 .. \z9 matches or not. |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1432 re_has_z = REX_USE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1433 break; |
| 4444 | 1434 case '(': |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1435 // \z( |
|
14161
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
14159
diff
changeset
|
1436 if ((reg_do_extmatch & REX_SET) == 0) |
|
4688
371cc0c44097
updated for version 7.3.1091
Bram Moolenaar <bram@vim.org>
parents:
4686
diff
changeset
|
1437 EMSG_RET_FAIL(_(e_z_not_allowed)); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1438 if (nfa_reg(REG_ZPAREN) == FAIL) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1439 return FAIL; // cascaded error |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1440 re_has_z = REX_SET; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1441 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
1442 #endif |
| 4444 | 1443 default: |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1444 semsg(_("E867: (NFA) Unknown operator '\\z%c'"), |
| 4444 | 1445 no_Magic(c)); |
| 1446 return FAIL; | |
| 1447 } | |
| 1448 break; | |
| 1449 | |
| 1450 case Magic('%'): | |
| 1451 c = no_Magic(getchr()); | |
| 1452 switch (c) | |
| 1453 { | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1454 // () without a back reference |
| 4444 | 1455 case '(': |
| 1456 if (nfa_reg(REG_NPAREN) == FAIL) | |
| 1457 return FAIL; | |
| 1458 EMIT(NFA_NOPEN); | |
| 1459 break; | |
| 1460 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1461 case 'd': // %d123 decimal |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1462 case 'o': // %o123 octal |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1463 case 'x': // %xab hex 2 |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1464 case 'u': // %uabcd hex 4 |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1465 case 'U': // %U1234abcd hex 8 |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1466 { |
|
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
parents:
12674
diff
changeset
|
1467 long nr; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1468 |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1469 switch (c) |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1470 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1471 case 'd': nr = getdecchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1472 case 'o': nr = getoctchrs(); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1473 case 'x': nr = gethexchrs(2); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1474 case 'u': nr = gethexchrs(4); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1475 case 'U': nr = gethexchrs(8); break; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
1476 default: nr = -1; break; |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1477 } |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1478 |
|
15924
98d315176d48
patch 8.1.0968: crash when using search pattern %Ufffffc23
Bram Moolenaar <Bram@vim.org>
parents:
15904
diff
changeset
|
1479 if (nr < 0 || nr > INT_MAX) |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1480 EMSG2_RET_FAIL( |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1481 _("E678: Invalid character after %s%%[dxouU]"), |
|
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1482 reg_magic == MAGIC_ALL); |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1483 // A NUL is stored in the text as NL |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1484 // TODO: what if a composing character follows? |
| 5360 | 1485 EMIT(nr == 0 ? 0x0a : nr); |
|
4543
08ac46980953
updated for version 7.3.1019
Bram Moolenaar <bram@vim.org>
parents:
4541
diff
changeset
|
1486 } |
| 4444 | 1487 break; |
| 1488 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1489 // Catch \%^ and \%$ regardless of where they appear in the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1490 // pattern -- regardless of whether or not it makes sense. |
| 4444 | 1491 case '^': |
| 1492 EMIT(NFA_BOF); | |
| 1493 break; | |
| 1494 | |
| 1495 case '$': | |
| 1496 EMIT(NFA_EOF); | |
| 1497 break; | |
| 1498 | |
| 1499 case '#': | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1500 EMIT(NFA_CURSOR); |
| 4444 | 1501 break; |
| 1502 | |
| 1503 case 'V': | |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
1504 EMIT(NFA_VISUAL); |
| 4444 | 1505 break; |
| 1506 | |
| 5901 | 1507 case 'C': |
| 1508 EMIT(NFA_ANY_COMPOSING); | |
| 1509 break; | |
| 1510 | |
| 4444 | 1511 case '[': |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1512 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1513 int n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1514 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1515 // \%[abc] |
|
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1516 for (n = 0; (c = peekchr()) != ']'; ++n) |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1517 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1518 if (c == NUL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1519 EMSG2_RET_FAIL(_(e_missing_sb), |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1520 reg_magic == MAGIC_ALL); |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1521 // recursive call! |
|
4944
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1522 if (nfa_regatom() == FAIL) |
|
613651492c19
updated for version 7.3.1217
Bram Moolenaar <bram@vim.org>
parents:
4938
diff
changeset
|
1523 return FAIL; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1524 } |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1525 getchr(); // get the ] |
|
4760
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1526 if (n == 0) |
|
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1527 EMSG2_RET_FAIL(_(e_empty_sb), |
|
532a9855bd30
updated for version 7.3.1127
Bram Moolenaar <bram@vim.org>
parents:
4758
diff
changeset
|
1528 reg_magic == MAGIC_ALL); |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1529 EMIT(NFA_OPT_CHARS); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1530 EMIT(n); |
|
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1531 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1532 // Emit as "\%(\%[abc]\)" to be able to handle |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1533 // "\%[abc]*" which would cause the empty string to be |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1534 // matched an unlimited number of times. NFA_NOPEN is |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1535 // added only once at a position, while NFA_SPLIT is |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1536 // added multiple times. This is more efficient than |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1537 // not allowing NFA_SPLIT multiple times, it is used |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1538 // a lot. |
|
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
1539 EMIT(NFA_NOPEN); |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1540 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1541 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1542 |
| 4444 | 1543 default: |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1544 { |
|
20677
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1545 long_u n = 0; |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1546 int cmp = c; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1547 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1548 if (c == '<' || c == '>') |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1549 c = getchr(); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1550 while (VIM_ISDIGIT(c)) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1551 { |
|
20677
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1552 long_u tmp = n * 10 + (c - '0'); |
|
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1553 |
|
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1554 if (tmp < n) |
|
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1555 { |
|
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1556 // overflow. |
|
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1557 emsg(_(e_value_too_large)); |
|
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1558 return FAIL; |
|
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1559 } |
|
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1560 n = tmp; |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1561 c = getchr(); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1562 } |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1563 if (c == 'l' || c == 'c' || c == 'v') |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1564 { |
|
20677
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1565 long_u limit = INT_MAX; |
|
15802
f043c8931585
patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents:
15800
diff
changeset
|
1566 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1567 if (c == 'l') |
|
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1568 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1569 // \%{n}l \%{n}<l \%{n}>l |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1570 EMIT(cmp == '<' ? NFA_LNUM_LT : |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1571 cmp == '>' ? NFA_LNUM_GT : NFA_LNUM); |
|
8021
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1572 if (save_prev_at_start) |
|
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1573 at_start = TRUE; |
|
b6b4f354df23
commit https://github.com/vim/vim/commit/7c29f387819b5817b003d2ba73e2b5cf3cb3d0dd
Christian Brabandt <cb@256bit.org>
parents:
7833
diff
changeset
|
1574 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1575 else if (c == 'c') |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1576 // \%{n}c \%{n}<c \%{n}>c |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1577 EMIT(cmp == '<' ? NFA_COL_LT : |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1578 cmp == '>' ? NFA_COL_GT : NFA_COL); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1579 else |
|
15802
f043c8931585
patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents:
15800
diff
changeset
|
1580 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1581 // \%{n}v \%{n}<v \%{n}>v |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1582 EMIT(cmp == '<' ? NFA_VCOL_LT : |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1583 cmp == '>' ? NFA_VCOL_GT : NFA_VCOL); |
|
15802
f043c8931585
patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents:
15800
diff
changeset
|
1584 limit = INT_MAX / MB_MAXBYTES; |
|
f043c8931585
patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents:
15800
diff
changeset
|
1585 } |
|
f043c8931585
patch 8.1.0908: can't handle large value for %{nr}v in regexp
Bram Moolenaar <Bram@vim.org>
parents:
15800
diff
changeset
|
1586 if (n >= limit) |
|
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1587 { |
|
20677
ab0dc036f586
patch 8.2.0892: ubsan warns for undefined behavior
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
1588 emsg(_(e_value_too_large)); |
|
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1589 return FAIL; |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1590 } |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
1591 EMIT((int)n); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1592 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1593 } |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1594 else if (c == '\'' && n == 0) |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1595 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1596 // \%'m \%<'m \%>'m |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1597 EMIT(cmp == '<' ? NFA_MARK_LT : |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1598 cmp == '>' ? NFA_MARK_GT : NFA_MARK); |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
1599 EMIT(getchr()); |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1600 break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
1601 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
1602 } |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
1603 semsg(_("E867: (NFA) Unknown operator '\\%%%c'"), |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
1604 no_Magic(c)); |
| 4444 | 1605 return FAIL; |
| 1606 } | |
| 1607 break; | |
| 1608 | |
| 1609 case Magic('['): | |
|
4517
9a2183bd8295
updated for version 7.3.1006
Bram Moolenaar <bram@vim.org>
parents:
4515
diff
changeset
|
1610 collection: |
| 4444 | 1611 /* |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1612 * [abc] uses NFA_START_COLL - NFA_END_COLL |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1613 * [^abc] uses NFA_START_NEG_COLL - NFA_END_NEG_COLL |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1614 * Each character is produced as a regular state, using |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1615 * NFA_CONCAT to bind them together. |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1616 * Besides normal characters there can be: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1617 * - character classes NFA_CLASS_* |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1618 * - ranges, two characters followed by NFA_RANGE. |
| 4444 | 1619 */ |
| 1620 | |
| 1621 p = regparse; | |
| 1622 endp = skip_anyof(p); | |
| 1623 if (*endp == ']') | |
| 1624 { | |
| 1625 /* | |
| 1626 * Try to reverse engineer character classes. For example, | |
| 5296 | 1627 * recognize that [0-9] stands for \d and [A-Za-z_] for \h, |
| 4444 | 1628 * and perform the necessary substitutions in the NFA. |
| 1629 */ | |
| 1630 result = nfa_recognize_char_class(regparse, endp, | |
| 5296 | 1631 extra == NFA_ADD_NL); |
| 4444 | 1632 if (result != FAIL) |
| 1633 { | |
| 5296 | 1634 if (result >= NFA_FIRST_NL && result <= NFA_LAST_NL) |
| 4444 | 1635 { |
| 5296 | 1636 EMIT(result - NFA_ADD_NL); |
| 4444 | 1637 EMIT(NFA_NEWL); |
| 1638 EMIT(NFA_OR); | |
| 1639 } | |
| 5296 | 1640 else |
| 1641 EMIT(result); | |
| 4444 | 1642 regparse = endp; |
|
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1643 MB_PTR_ADV(regparse); |
| 4444 | 1644 return OK; |
| 1645 } | |
| 1646 /* | |
| 1647 * Failed to recognize a character class. Use the simple | |
| 1648 * version that turns [abc] into 'a' OR 'b' OR 'c' | |
| 1649 */ | |
| 1650 startc = endc = oldstartc = -1; | |
| 1651 negated = FALSE; | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1652 if (*regparse == '^') // negated range |
| 4444 | 1653 { |
| 1654 negated = TRUE; | |
|
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1655 MB_PTR_ADV(regparse); |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1656 EMIT(NFA_START_NEG_COLL); |
| 4444 | 1657 } |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1658 else |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1659 EMIT(NFA_START_COLL); |
| 4444 | 1660 if (*regparse == '-') |
| 1661 { | |
| 1662 startc = '-'; | |
| 1663 EMIT(startc); | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
1664 EMIT(NFA_CONCAT); |
|
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10551
diff
changeset
|
1665 MB_PTR_ADV(regparse); |
| 4444 | 1666 } |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
1667 // Emit the OR branches for each character in the [] |
| 4444 | 1668 emit_range = FALSE; |
| 1669 while (regparse < endp) | |
| 1670 { | |
| 1671 oldstartc = startc; | |
| 1672 startc = -1; | |
| 1673 got_coll_char = FALSE; | |
| 1674 if (*regparse == '[') | |
| 1675 { | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1676 // Check for [: :], [= =], [. .] |
| 4444 | 1677 equiclass = collclass = 0; |
| 1678 charclass = get_char_class(®parse); | |
| 1679 if (charclass == CLASS_NONE) | |
| 1680 { | |
| 1681 equiclass = get_equi_class(®parse); | |
| 1682 if (equiclass == 0) | |
| 1683 collclass = get_coll_element(®parse); | |
| 1684 } | |
| 1685 | |
|
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parents:
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diff
changeset
|
1686 // Character class like [:alpha:] |
| 4444 | 1687 if (charclass != CLASS_NONE) |
| 1688 { | |
| 1689 switch (charclass) | |
| 1690 { | |
| 1691 case CLASS_ALNUM: | |
| 1692 EMIT(NFA_CLASS_ALNUM); | |
| 1693 break; | |
| 1694 case CLASS_ALPHA: | |
| 1695 EMIT(NFA_CLASS_ALPHA); | |
| 1696 break; | |
| 1697 case CLASS_BLANK: | |
| 1698 EMIT(NFA_CLASS_BLANK); | |
| 1699 break; | |
| 1700 case CLASS_CNTRL: | |
| 1701 EMIT(NFA_CLASS_CNTRL); | |
| 1702 break; | |
| 1703 case CLASS_DIGIT: | |
| 1704 EMIT(NFA_CLASS_DIGIT); | |
| 1705 break; | |
| 1706 case CLASS_GRAPH: | |
| 1707 EMIT(NFA_CLASS_GRAPH); | |
| 1708 break; | |
| 1709 case CLASS_LOWER: | |
| 1710 EMIT(NFA_CLASS_LOWER); | |
| 1711 break; | |
| 1712 case CLASS_PRINT: | |
| 1713 EMIT(NFA_CLASS_PRINT); | |
| 1714 break; | |
| 1715 case CLASS_PUNCT: | |
| 1716 EMIT(NFA_CLASS_PUNCT); | |
| 1717 break; | |
| 1718 case CLASS_SPACE: | |
| 1719 EMIT(NFA_CLASS_SPACE); | |
| 1720 break; | |
| 1721 case CLASS_UPPER: | |
| 1722 EMIT(NFA_CLASS_UPPER); | |
| 1723 break; | |
| 1724 case CLASS_XDIGIT: | |
| 1725 EMIT(NFA_CLASS_XDIGIT); | |
| 1726 break; | |
| 1727 case CLASS_TAB: | |
| 1728 EMIT(NFA_CLASS_TAB); | |
| 1729 break; | |
| 1730 case CLASS_RETURN: | |
| 1731 EMIT(NFA_CLASS_RETURN); | |
| 1732 break; | |
| 1733 case CLASS_BACKSPACE: | |
| 1734 EMIT(NFA_CLASS_BACKSPACE); | |
| 1735 break; | |
| 1736 case CLASS_ESCAPE: | |
| 1737 EMIT(NFA_CLASS_ESCAPE); | |
| 1738 break; | |
|
15709
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patch 8.1.0862: no verbose version of character classes
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parents:
15603
diff
changeset
|
1739 case CLASS_IDENT: |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1740 EMIT(NFA_CLASS_IDENT); |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
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parents:
15603
diff
changeset
|
1741 break; |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1742 case CLASS_KEYWORD: |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1743 EMIT(NFA_CLASS_KEYWORD); |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
1744 break; |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
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15603
diff
changeset
|
1745 case CLASS_FNAME: |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
1746 EMIT(NFA_CLASS_FNAME); |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
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changeset
|
1747 break; |
| 4444 | 1748 } |
|
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diff
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|
1749 EMIT(NFA_CONCAT); |
| 4444 | 1750 continue; |
| 1751 } | |
|
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patch 8.1.2394: using old C style comments
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|
1752 // Try equivalence class [=a=] and the like |
| 4444 | 1753 if (equiclass != 0) |
| 1754 { | |
|
4781
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diff
changeset
|
1755 result = nfa_emit_equi_class(equiclass); |
| 4444 | 1756 if (result == FAIL) |
| 1757 { | |
|
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patch 8.1.2394: using old C style comments
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diff
changeset
|
1758 // should never happen |
| 4444 | 1759 EMSG_RET_FAIL(_("E868: Error building NFA with equivalence class!")); |
| 1760 } | |
| 1761 continue; | |
| 1762 } | |
|
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patch 8.1.2394: using old C style comments
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diff
changeset
|
1763 // Try collating class like [. .] |
| 4444 | 1764 if (collclass != 0) |
| 1765 { | |
|
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patch 8.1.2394: using old C style comments
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diff
changeset
|
1766 startc = collclass; // allow [.a.]-x as a range |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
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diff
changeset
|
1767 // Will emit the proper atom at the end of the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
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diff
changeset
|
1768 // while loop. |
| 4444 | 1769 } |
| 1770 } | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
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diff
changeset
|
1771 // Try a range like 'a-x' or '\t-z'. Also allows '-' as a |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1772 // start character. |
|
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diff
changeset
|
1773 if (*regparse == '-' && oldstartc != -1) |
| 4444 | 1774 { |
| 1775 emit_range = TRUE; | |
| 1776 startc = oldstartc; | |
|
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1777 MB_PTR_ADV(regparse); |
|
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diff
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|
1778 continue; // reading the end of the range |
| 4444 | 1779 } |
| 1780 | |
|
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diff
changeset
|
1781 // Now handle simple and escaped characters. |
|
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patch 8.1.2394: using old C style comments
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diff
changeset
|
1782 // Only "\]", "\^", "\]" and "\\" are special in Vi. Vim |
|
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diff
changeset
|
1783 // accepts "\t", "\e", etc., but only when the 'l' flag in |
|
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diff
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|
1784 // 'cpoptions' is not included. |
|
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diff
changeset
|
1785 // Posix doesn't recognize backslash at all. |
| 4444 | 1786 if (*regparse == '\\' |
|
4744
a62695305e03
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4742
diff
changeset
|
1787 && !reg_cpo_bsl |
| 4444 | 1788 && regparse + 1 <= endp |
| 1789 && (vim_strchr(REGEXP_INRANGE, regparse[1]) != NULL | |
|
4744
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4742
diff
changeset
|
1790 || (!reg_cpo_lit |
| 4444 | 1791 && vim_strchr(REGEXP_ABBR, regparse[1]) |
| 1792 != NULL) | |
| 1793 ) | |
| 1794 ) | |
| 1795 { | |
|
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diff
changeset
|
1796 MB_PTR_ADV(regparse); |
| 4444 | 1797 |
|
4507
9dbbddb2ed10
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diff
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|
1798 if (*regparse == 'n') |
|
15876
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patch 8.1.0945: internal error when using pattern with NL in the range
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diff
changeset
|
1799 startc = (reg_string || emit_range |
|
0c49755f460e
patch 8.1.0945: internal error when using pattern with NL in the range
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diff
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|
1800 || regparse[1] == '-') ? NL : NFA_NEWL; |
|
16162
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patch 8.1.1086: too many curly braces
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diff
changeset
|
1801 else if (*regparse == 'd' |
| 4444 | 1802 || *regparse == 'o' |
| 1803 || *regparse == 'x' | |
| 1804 || *regparse == 'u' | |
| 1805 || *regparse == 'U' | |
| 1806 ) | |
| 1807 { | |
|
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changeset
|
1808 // TODO(RE) This needs more testing |
| 4444 | 1809 startc = coll_get_char(); |
| 1810 got_coll_char = TRUE; | |
|
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diff
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|
1811 MB_PTR_BACK(old_regparse, regparse); |
| 4444 | 1812 } |
| 1813 else | |
| 1814 { | |
|
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diff
changeset
|
1815 // \r,\t,\e,\b |
| 4444 | 1816 startc = backslash_trans(*regparse); |
| 1817 } | |
| 1818 } | |
| 1819 | |
|
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diff
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|
1820 // Normal printable char |
| 4444 | 1821 if (startc == -1) |
|
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diff
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|
1822 startc = PTR2CHAR(regparse); |
| 4444 | 1823 |
|
18812
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patch 8.1.2394: using old C style comments
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|
1824 // Previous char was '-', so this char is end of range. |
| 4444 | 1825 if (emit_range) |
| 1826 { | |
|
4677
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diff
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|
1827 endc = startc; |
|
c1622ff9ed8d
updated for version 7.3.1086
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diff
changeset
|
1828 startc = oldstartc; |
| 4444 | 1829 if (startc > endc) |
|
11480
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patch 8.0.0623: error for invalid regexp is not very informative
Christian Brabandt <cb@256bit.org>
parents:
11469
diff
changeset
|
1830 EMSG_RET_FAIL(_(e_reverse_range)); |
|
4781
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|
1831 |
|
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diff
changeset
|
1832 if (endc > startc + 2) |
|
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|
1833 { |
|
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changeset
|
1834 // Emit a range instead of the sequence of |
|
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diff
changeset
|
1835 // individual characters. |
|
4781
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|
1836 if (startc == 0) |
|
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diff
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|
1837 // \x00 is translated to \x0a, start at \x01. |
|
4781
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|
1838 EMIT(1); |
|
c02c7df9bdc9
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|
1839 else |
|
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diff
changeset
|
1840 --post_ptr; // remove NFA_CONCAT |
|
4781
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diff
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|
1841 EMIT(endc); |
|
c02c7df9bdc9
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parents:
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diff
changeset
|
1842 EMIT(NFA_RANGE); |
|
c02c7df9bdc9
updated for version 7.3.1137
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parents:
4772
diff
changeset
|
1843 EMIT(NFA_CONCAT); |
|
c02c7df9bdc9
updated for version 7.3.1137
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diff
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|
1844 } |
|
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patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1845 else if (has_mbyte && ((*mb_char2len)(startc) > 1 |
| 4444 | 1846 || (*mb_char2len)(endc) > 1)) |
| 1847 { | |
|
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diff
changeset
|
1848 // Emit the characters in the range. |
|
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diff
changeset
|
1849 // "startc" was already emitted, so skip it. |
|
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diff
changeset
|
1850 // |
| 4444 | 1851 for (c = startc + 1; c <= endc; c++) |
| 1852 { | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
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parents:
4525
diff
changeset
|
1853 EMIT(c); |
|
4781
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diff
changeset
|
1854 EMIT(NFA_CONCAT); |
| 4444 | 1855 } |
| 1856 } | |
| 1857 else | |
| 1858 { | |
| 1859 #ifdef EBCDIC | |
| 1860 int alpha_only = FALSE; | |
| 1861 | |
|
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|
1862 // for alphabetical range skip the gaps |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
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diff
changeset
|
1863 // 'i'-'j', 'r'-'s', 'I'-'J' and 'R'-'S'. |
| 4444 | 1864 if (isalpha(startc) && isalpha(endc)) |
| 1865 alpha_only = TRUE; | |
| 1866 #endif | |
|
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|
1867 // Emit the range. "startc" was already emitted, so |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
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changeset
|
1868 // skip it. |
| 4444 | 1869 for (c = startc + 1; c <= endc; c++) |
| 1870 #ifdef EBCDIC | |
| 1871 if (!alpha_only || isalpha(startc)) | |
| 1872 #endif | |
| 1873 { | |
| 1874 EMIT(c); | |
|
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|
1875 EMIT(NFA_CONCAT); |
| 4444 | 1876 } |
| 1877 } | |
|
4677
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diff
changeset
|
1878 emit_range = FALSE; |
|
c1622ff9ed8d
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diff
changeset
|
1879 startc = -1; |
| 4444 | 1880 } |
| 1881 else | |
| 1882 { | |
|
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diff
changeset
|
1883 // This char (startc) is not part of a range. Just |
|
d34ec6fe207d
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diff
changeset
|
1884 // emit it. |
|
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diff
changeset
|
1885 // Normally, simply emit startc. But if we get char |
|
d34ec6fe207d
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diff
changeset
|
1886 // code=0 from a collating char, then replace it with |
|
d34ec6fe207d
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diff
changeset
|
1887 // 0x0a. |
|
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diff
changeset
|
1888 // This is needed to completely mimic the behaviour of |
|
d34ec6fe207d
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parents:
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diff
changeset
|
1889 // the backtracking engine. |
|
4781
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diff
changeset
|
1890 if (startc == NFA_NEWL) |
|
c02c7df9bdc9
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parents:
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diff
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|
1891 { |
|
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diff
changeset
|
1892 // Line break can't be matched as part of the |
|
d34ec6fe207d
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parents:
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diff
changeset
|
1893 // collection, add an OR below. But not for negated |
|
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|
1894 // range. |
|
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|
1895 if (!negated) |
| 5296 | 1896 extra = NFA_ADD_NL; |
|
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1897 } |
| 4444 | 1898 else |
|
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1899 { |
|
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1900 if (got_coll_char == TRUE && startc == 0) |
|
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|
1901 EMIT(0x0a); |
|
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1902 else |
|
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1903 EMIT(startc); |
|
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|
1904 EMIT(NFA_CONCAT); |
|
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|
1905 } |
| 4444 | 1906 } |
| 1907 | |
|
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|
1908 MB_PTR_ADV(regparse); |
|
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|
1909 } // while (p < endp) |
| 4444 | 1910 |
|
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|
1911 MB_PTR_BACK(old_regparse, regparse); |
|
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1912 if (*regparse == '-') // if last, '-' is just a char |
| 4444 | 1913 { |
| 1914 EMIT('-'); | |
|
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|
1915 EMIT(NFA_CONCAT); |
| 4444 | 1916 } |
| 1917 | |
|
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1918 // skip the trailing ] |
| 4444 | 1919 regparse = endp; |
|
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1920 MB_PTR_ADV(regparse); |
|
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1921 |
|
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|
1922 // Mark end of the collection. |
| 4444 | 1923 if (negated == TRUE) |
|
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|
1924 EMIT(NFA_END_NEG_COLL); |
|
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1925 else |
|
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|
1926 EMIT(NFA_END_COLL); |
|
4615
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|
1927 |
|
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|
1928 // \_[] also matches \n but it's not negated |
| 5296 | 1929 if (extra == NFA_ADD_NL) |
|
4615
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|
1930 { |
|
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|
1931 EMIT(reg_string ? NL : NFA_NEWL); |
|
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|
1932 EMIT(NFA_OR); |
|
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1933 } |
|
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|
1934 |
| 4444 | 1935 return OK; |
|
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1936 } // if exists closing ] |
|
4529
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|
1937 |
|
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|
1938 if (reg_strict) |
| 4444 | 1939 EMSG_RET_FAIL(_(e_missingbracket)); |
|
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|
1940 // FALLTHROUGH |
|
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|
1941 |
| 4444 | 1942 default: |
| 1943 { | |
| 1944 int plen; | |
| 1945 | |
| 1946 nfa_do_multibyte: | |
|
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1947 // plen is length of current char with composing chars |
|
4543
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|
1948 if (enc_utf8 && ((*mb_char2len)(c) |
|
11269
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|
1949 != (plen = utfc_ptr2len(old_regparse)) |
|
4543
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diff
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|
1950 || utf_iscomposing(c))) |
| 4444 | 1951 { |
|
4549
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diff
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|
1952 int i = 0; |
|
849180347ac3
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|
1953 |
|
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1954 // A base character plus composing characters, or just one |
|
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1955 // or more composing characters. |
|
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|
1956 // This requires creating a separate atom as if enclosing |
|
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|
1957 // the characters in (), where NFA_COMPOSING is the ( and |
|
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|
1958 // NFA_END_COMPOSING is the ). Note that right now we are |
|
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|
1959 // building the postfix form, not the NFA itself; |
|
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1960 // a composing char could be: a, b, c, NFA_COMPOSING |
|
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|
1961 // where 'b' and 'c' are chars with codes > 256. |
|
4527
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|
1962 for (;;) |
|
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|
1963 { |
|
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|
1964 EMIT(c); |
|
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|
1965 if (i > 0) |
|
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|
1966 EMIT(NFA_CONCAT); |
|
4529
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|
1967 if ((i += utf_char2len(c)) >= plen) |
|
4527
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|
1968 break; |
|
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|
1969 c = utf_ptr2char(old_regparse + i); |
|
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|
1970 } |
|
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|
1971 EMIT(NFA_COMPOSING); |
| 4444 | 1972 regparse = old_regparse + plen; |
| 1973 } | |
| 1974 else | |
| 1975 { | |
| 1976 c = no_Magic(c); | |
| 1977 EMIT(c); | |
| 1978 } | |
| 1979 return OK; | |
| 1980 } | |
| 1981 } | |
| 1982 | |
| 1983 return OK; | |
| 1984 } | |
| 1985 | |
| 1986 /* | |
| 1987 * Parse something followed by possible [*+=]. | |
| 1988 * | |
| 1989 * A piece is an atom, possibly followed by a multi, an indication of how many | |
| 1990 * times the atom can be matched. Example: "a*" matches any sequence of "a" | |
| 1991 * characters: "", "a", "aa", etc. | |
| 1992 * | |
| 1993 * piece ::= atom | |
| 1994 * or atom multi | |
| 1995 */ | |
| 1996 static int | |
|
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diff
changeset
|
1997 nfa_regpiece(void) |
| 4444 | 1998 { |
| 1999 int i; | |
| 2000 int op; | |
| 2001 int ret; | |
| 2002 long minval, maxval; | |
|
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|
2003 int greedy = TRUE; // Braces are prefixed with '-' ? |
|
4679
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|
2004 parse_state_T old_state; |
|
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|
2005 parse_state_T new_state; |
|
12752
09c856605191
patch 8.0.1254: undefined left shift in gethexchrs()
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2006 long c2; |
|
4651
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diff
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|
2007 int old_post_pos; |
|
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diff
changeset
|
2008 int my_post_start; |
| 4444 | 2009 int quest; |
| 2010 | |
|
18812
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diff
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|
2011 // Save the current parse state, so that we can use it if <atom>{m,n} is |
|
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|
2012 // next. |
|
4679
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diff
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|
2013 save_parse_state(&old_state); |
|
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diff
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|
2014 |
|
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|
2015 // store current pos in the postfix form, for \{m,n} involving 0s |
|
4651
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diff
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|
2016 my_post_start = (int)(post_ptr - post_start); |
| 4444 | 2017 |
| 2018 ret = nfa_regatom(); | |
| 2019 if (ret == FAIL) | |
|
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|
2020 return FAIL; // cascaded error |
| 4444 | 2021 |
| 2022 op = peekchr(); | |
| 2023 if (re_multi_type(op) == NOT_MULTI) | |
| 2024 return OK; | |
| 2025 | |
| 2026 skipchr(); | |
| 2027 switch (op) | |
| 2028 { | |
| 2029 case Magic('*'): | |
| 2030 EMIT(NFA_STAR); | |
| 2031 break; | |
| 2032 | |
| 2033 case Magic('+'): | |
| 2034 /* | |
| 2035 * Trick: Normally, (a*)\+ would match the whole input "aaa". The | |
| 2036 * first and only submatch would be "aaa". But the backtracking | |
| 2037 * engine interprets the plus as "try matching one more time", and | |
| 2038 * a* matches a second time at the end of the input, the empty | |
| 2039 * string. | |
|
5255
3c6e2b89875f
updated for version 7.4b.004
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diff
changeset
|
2040 * The submatch will be the empty string. |
| 4444 | 2041 * |
|
4673
05d57d7c2d55
updated for version 7.3.1084
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diff
changeset
|
2042 * In order to be consistent with the old engine, we replace |
|
05d57d7c2d55
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parents:
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diff
changeset
|
2043 * <atom>+ with <atom><atom>* |
| 4444 | 2044 */ |
|
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diff
changeset
|
2045 restore_parse_state(&old_state); |
| 4444 | 2046 curchr = -1; |
| 2047 if (nfa_regatom() == FAIL) | |
| 2048 return FAIL; | |
| 2049 EMIT(NFA_STAR); | |
| 2050 EMIT(NFA_CONCAT); | |
|
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changeset
|
2051 skipchr(); // skip the \+ |
| 4444 | 2052 break; |
| 2053 | |
| 2054 case Magic('@'): | |
|
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diff
changeset
|
2055 c2 = getdecchrs(); |
| 4444 | 2056 op = no_Magic(getchr()); |
|
4682
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|
2057 i = 0; |
| 4444 | 2058 switch(op) |
| 2059 { | |
| 2060 case '=': | |
|
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|
2061 // \@= |
|
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diff
changeset
|
2062 i = NFA_PREV_ATOM_NO_WIDTH; |
| 4444 | 2063 break; |
|
4661
0dce3d812e7a
updated for version 7.3.1078
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diff
changeset
|
2064 case '!': |
|
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|
2065 // \@! |
|
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|
2066 i = NFA_PREV_ATOM_NO_WIDTH_NEG; |
|
4661
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diff
changeset
|
2067 break; |
| 4444 | 2068 case '<': |
|
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|
2069 op = no_Magic(getchr()); |
|
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|
2070 if (op == '=') |
|
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|
2071 // \@<= |
|
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|
2072 i = NFA_PREV_ATOM_JUST_BEFORE; |
|
2f51ee8825db
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|
2073 else if (op == '!') |
|
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|
2074 // \@<! |
|
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diff
changeset
|
2075 i = NFA_PREV_ATOM_JUST_BEFORE_NEG; |
|
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|
2076 break; |
| 4444 | 2077 case '>': |
|
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changeset
|
2078 // \@> |
|
4750
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4748
diff
changeset
|
2079 i = NFA_PREV_ATOM_LIKE_PATTERN; |
|
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|
2080 break; |
| 4444 | 2081 } |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2082 if (i == 0) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2083 { |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
2084 semsg(_("E869: (NFA) Unknown operator '\\@%c'"), op); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2085 return FAIL; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2086 } |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2087 EMIT(i); |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2088 if (i == NFA_PREV_ATOM_JUST_BEFORE |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2089 || i == NFA_PREV_ATOM_JUST_BEFORE_NEG) |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2090 EMIT(c2); |
| 4444 | 2091 break; |
| 2092 | |
| 2093 case Magic('?'): | |
| 2094 case Magic('='): | |
| 2095 EMIT(NFA_QUEST); | |
| 2096 break; | |
| 2097 | |
| 2098 case Magic('{'): | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2099 // a{2,5} will expand to 'aaa?a?a?' |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2100 // a{-1,3} will expand to 'aa??a??', where ?? is the nongreedy |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2101 // version of '?' |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2102 // \v(ab){2,3} will expand to '(ab)(ab)(ab)?', where all the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2103 // parenthesis have the same id |
| 4444 | 2104 |
| 2105 greedy = TRUE; | |
| 2106 c2 = peekchr(); | |
| 2107 if (c2 == '-' || c2 == Magic('-')) | |
| 2108 { | |
| 2109 skipchr(); | |
| 2110 greedy = FALSE; | |
| 2111 } | |
| 2112 if (!read_limits(&minval, &maxval)) | |
| 2113 EMSG_RET_FAIL(_("E870: (NFA regexp) Error reading repetition limits")); | |
|
4762
47906f888725
updated for version 7.3.1128
Bram Moolenaar <bram@vim.org>
parents:
4760
diff
changeset
|
2114 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2115 // <atom>{0,inf}, <atom>{0,} and <atom>{} are equivalent to |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2116 // <atom>* |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2117 if (minval == 0 && maxval == MAX_LIMIT) |
| 4444 | 2118 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2119 if (greedy) // { { (match the braces) |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2120 // \{}, \{0,} |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2121 EMIT(NFA_STAR); |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2122 else // { { (match the braces) |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2123 // \{-}, \{-0,} |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2124 EMIT(NFA_STAR_NONGREEDY); |
| 4444 | 2125 break; |
| 2126 } | |
| 2127 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2128 // Special case: x{0} or x{-0} |
| 4444 | 2129 if (maxval == 0) |
| 2130 { | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2131 // Ignore result of previous call to nfa_regatom() |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2132 post_ptr = post_start + my_post_start; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2133 // NFA_EMPTY is 0-length and works everywhere |
| 5370 | 2134 EMIT(NFA_EMPTY); |
| 4444 | 2135 return OK; |
| 2136 } | |
| 2137 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2138 // The engine is very inefficient (uses too many states) when the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2139 // maximum is much larger than the minimum and when the maximum is |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2140 // large. Bail out if we can use the other engine. |
| 6594 | 2141 if ((nfa_re_flags & RE_AUTO) |
|
10551
c3cc8b2aab6a
patch 8.0.0165: ubsan warns for integer overflow
Christian Brabandt <cb@256bit.org>
parents:
10540
diff
changeset
|
2142 && (maxval > 500 || maxval > minval + 200)) |
| 6533 | 2143 return FAIL; |
| 2144 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2145 // Ignore previous call to nfa_regatom() |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2146 post_ptr = post_start + my_post_start; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2147 // Save parse state after the repeated atom and the \{} |
|
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
2148 save_parse_state(&new_state); |
| 4444 | 2149 |
| 2150 quest = (greedy == TRUE? NFA_QUEST : NFA_QUEST_NONGREEDY); | |
| 2151 for (i = 0; i < maxval; i++) | |
| 2152 { | |
|
18812
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patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2153 // Goto beginning of the repeated atom |
|
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
2154 restore_parse_state(&old_state); |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2155 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 2156 if (nfa_regatom() == FAIL) |
| 2157 return FAIL; | |
|
18812
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patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2158 // after "minval" times, atoms are optional |
| 4444 | 2159 if (i + 1 > minval) |
|
4673
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
2160 { |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
2161 if (maxval == MAX_LIMIT) |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2162 { |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2163 if (greedy) |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2164 EMIT(NFA_STAR); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2165 else |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2166 EMIT(NFA_STAR_NONGREEDY); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2167 } |
|
4673
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
2168 else |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
2169 EMIT(quest); |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
2170 } |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2171 if (old_post_pos != my_post_start) |
| 4444 | 2172 EMIT(NFA_CONCAT); |
|
4673
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
2173 if (i + 1 > minval && maxval == MAX_LIMIT) |
|
05d57d7c2d55
updated for version 7.3.1084
Bram Moolenaar <bram@vim.org>
parents:
4671
diff
changeset
|
2174 break; |
| 4444 | 2175 } |
| 2176 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2177 // Go to just after the repeated atom and the \{} |
|
4679
4d92b873acef
updated for version 7.3.1087
Bram Moolenaar <bram@vim.org>
parents:
4677
diff
changeset
|
2178 restore_parse_state(&new_state); |
| 4444 | 2179 curchr = -1; |
| 2180 | |
| 2181 break; | |
| 2182 | |
| 2183 | |
| 2184 default: | |
| 2185 break; | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2186 } // end switch |
| 4444 | 2187 |
| 2188 if (re_multi_type(peekchr()) != NOT_MULTI) | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2189 // Can't have a multi follow a multi. |
|
14163
99a96be12254
patch 8.1.0099: exclamation mark in error message not needed
Christian Brabandt <cb@256bit.org>
parents:
14161
diff
changeset
|
2190 EMSG_RET_FAIL(_("E871: (NFA regexp) Can't have a multi follow a multi")); |
| 4444 | 2191 |
| 2192 return OK; | |
| 2193 } | |
| 2194 | |
| 2195 /* | |
| 2196 * Parse one or more pieces, concatenated. It matches a match for the | |
| 2197 * first piece, followed by a match for the second piece, etc. Example: | |
| 2198 * "f[0-9]b", first matches "f", then a digit and then "b". | |
| 2199 * | |
| 2200 * concat ::= piece | |
| 2201 * or piece piece | |
| 2202 * or piece piece piece | |
| 2203 * etc. | |
| 2204 */ | |
| 2205 static int | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2206 nfa_regconcat(void) |
| 4444 | 2207 { |
| 2208 int cont = TRUE; | |
| 2209 int first = TRUE; | |
| 2210 | |
| 2211 while (cont) | |
| 2212 { | |
| 2213 switch (peekchr()) | |
| 2214 { | |
| 2215 case NUL: | |
| 2216 case Magic('|'): | |
| 2217 case Magic('&'): | |
| 2218 case Magic(')'): | |
| 2219 cont = FALSE; | |
| 2220 break; | |
| 2221 | |
| 2222 case Magic('Z'): | |
| 2223 regflags |= RF_ICOMBINE; | |
| 2224 skipchr_keepstart(); | |
| 2225 break; | |
| 2226 case Magic('c'): | |
| 2227 regflags |= RF_ICASE; | |
| 2228 skipchr_keepstart(); | |
| 2229 break; | |
| 2230 case Magic('C'): | |
| 2231 regflags |= RF_NOICASE; | |
| 2232 skipchr_keepstart(); | |
| 2233 break; | |
| 2234 case Magic('v'): | |
| 2235 reg_magic = MAGIC_ALL; | |
| 2236 skipchr_keepstart(); | |
| 2237 curchr = -1; | |
| 2238 break; | |
| 2239 case Magic('m'): | |
| 2240 reg_magic = MAGIC_ON; | |
| 2241 skipchr_keepstart(); | |
| 2242 curchr = -1; | |
| 2243 break; | |
| 2244 case Magic('M'): | |
| 2245 reg_magic = MAGIC_OFF; | |
| 2246 skipchr_keepstart(); | |
| 2247 curchr = -1; | |
| 2248 break; | |
| 2249 case Magic('V'): | |
| 2250 reg_magic = MAGIC_NONE; | |
| 2251 skipchr_keepstart(); | |
| 2252 curchr = -1; | |
| 2253 break; | |
| 2254 | |
| 2255 default: | |
| 2256 if (nfa_regpiece() == FAIL) | |
| 2257 return FAIL; | |
| 2258 if (first == FALSE) | |
| 2259 EMIT(NFA_CONCAT); | |
| 2260 else | |
| 2261 first = FALSE; | |
| 2262 break; | |
| 2263 } | |
| 2264 } | |
| 2265 | |
| 2266 return OK; | |
| 2267 } | |
| 2268 | |
| 2269 /* | |
| 2270 * Parse a branch, one or more concats, separated by "\&". It matches the | |
| 2271 * last concat, but only if all the preceding concats also match at the same | |
| 2272 * position. Examples: | |
| 2273 * "foobeep\&..." matches "foo" in "foobeep". | |
| 2274 * ".*Peter\&.*Bob" matches in a line containing both "Peter" and "Bob" | |
| 2275 * | |
| 2276 * branch ::= concat | |
| 2277 * or concat \& concat | |
| 2278 * or concat \& concat \& concat | |
| 2279 * etc. | |
| 2280 */ | |
| 2281 static int | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2282 nfa_regbranch(void) |
| 4444 | 2283 { |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2284 int old_post_pos; |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2285 |
|
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2286 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 2287 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2288 // First branch, possibly the only one |
| 4444 | 2289 if (nfa_regconcat() == FAIL) |
| 2290 return FAIL; | |
| 2291 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2292 // Try next concats |
|
13043
307f2622826f
patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
2293 while (peekchr() == Magic('&')) |
| 4444 | 2294 { |
| 2295 skipchr(); | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2296 // if concat is empty do emit a node |
|
13043
307f2622826f
patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
2297 if (old_post_pos == (int)(post_ptr - post_start)) |
|
307f2622826f
patch 8.0.1397: pattern with & following nothing gives an error
Christian Brabandt <cb@256bit.org>
parents:
12752
diff
changeset
|
2298 EMIT(NFA_EMPTY); |
| 4444 | 2299 EMIT(NFA_NOPEN); |
| 2300 EMIT(NFA_PREV_ATOM_NO_WIDTH); | |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2301 old_post_pos = (int)(post_ptr - post_start); |
| 4444 | 2302 if (nfa_regconcat() == FAIL) |
| 2303 return FAIL; | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2304 // if concat is empty do emit a node |
|
4651
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updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
2305 if (old_post_pos == (int)(post_ptr - post_start)) |
| 5370 | 2306 EMIT(NFA_EMPTY); |
| 4444 | 2307 EMIT(NFA_CONCAT); |
| 2308 } | |
| 2309 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2310 // if a branch is empty, emit one node for it |
|
4651
f10f63aaec5c
updated for version 7.3.1073
Bram Moolenaar <bram@vim.org>
parents:
4649
diff
changeset
|
2311 if (old_post_pos == (int)(post_ptr - post_start)) |
| 5370 | 2312 EMIT(NFA_EMPTY); |
| 4444 | 2313 |
| 2314 return OK; | |
| 2315 } | |
| 2316 | |
| 2317 /* | |
| 2318 * Parse a pattern, one or more branches, separated by "\|". It matches | |
| 2319 * anything that matches one of the branches. Example: "foo\|beep" matches | |
| 2320 * "foo" and matches "beep". If more than one branch matches, the first one | |
| 2321 * is used. | |
| 2322 * | |
| 2323 * pattern ::= branch | |
| 2324 * or branch \| branch | |
| 2325 * or branch \| branch \| branch | |
| 2326 * etc. | |
| 2327 */ | |
| 2328 static int | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2329 nfa_reg( |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2330 int paren) // REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN |
| 4444 | 2331 { |
| 2332 int parno = 0; | |
| 2333 | |
| 2334 if (paren == REG_PAREN) | |
| 2335 { | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2336 if (regnpar >= NSUBEXP) // Too many `(' |
| 4444 | 2337 EMSG_RET_FAIL(_("E872: (NFA regexp) Too many '('")); |
| 2338 parno = regnpar++; | |
| 2339 } | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2340 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2341 else if (paren == REG_ZPAREN) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2342 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2343 // Make a ZOPEN node. |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2344 if (regnzpar >= NSUBEXP) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2345 EMSG_RET_FAIL(_("E879: (NFA regexp) Too many \\z(")); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2346 parno = regnzpar++; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2347 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2348 #endif |
| 4444 | 2349 |
| 2350 if (nfa_regbranch() == FAIL) | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2351 return FAIL; // cascaded error |
| 4444 | 2352 |
| 2353 while (peekchr() == Magic('|')) | |
| 2354 { | |
| 2355 skipchr(); | |
| 2356 if (nfa_regbranch() == FAIL) | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2357 return FAIL; // cascaded error |
| 4444 | 2358 EMIT(NFA_OR); |
| 2359 } | |
| 2360 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2361 // Check for proper termination. |
| 4444 | 2362 if (paren != REG_NOPAREN && getchr() != Magic(')')) |
| 2363 { | |
| 2364 if (paren == REG_NPAREN) | |
| 2365 EMSG2_RET_FAIL(_(e_unmatchedpp), reg_magic == MAGIC_ALL); | |
| 2366 else | |
| 2367 EMSG2_RET_FAIL(_(e_unmatchedp), reg_magic == MAGIC_ALL); | |
| 2368 } | |
| 2369 else if (paren == REG_NOPAREN && peekchr() != NUL) | |
| 2370 { | |
| 2371 if (peekchr() == Magic(')')) | |
| 2372 EMSG2_RET_FAIL(_(e_unmatchedpar), reg_magic == MAGIC_ALL); | |
| 2373 else | |
| 2374 EMSG_RET_FAIL(_("E873: (NFA regexp) proper termination error")); | |
| 2375 } | |
| 2376 /* | |
| 2377 * Here we set the flag allowing back references to this set of | |
| 2378 * parentheses. | |
| 2379 */ | |
| 2380 if (paren == REG_PAREN) | |
| 2381 { | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2382 had_endbrace[parno] = TRUE; // have seen the close paren |
| 4444 | 2383 EMIT(NFA_MOPEN + parno); |
| 2384 } | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2385 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2386 else if (paren == REG_ZPAREN) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2387 EMIT(NFA_ZOPEN + parno); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2388 #endif |
| 4444 | 2389 |
| 2390 return OK; | |
| 2391 } | |
| 2392 | |
| 2393 #ifdef DEBUG | |
| 2394 static char_u code[50]; | |
| 2395 | |
| 2396 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2397 nfa_set_code(int c) |
| 4444 | 2398 { |
| 2399 int addnl = FALSE; | |
| 2400 | |
| 2401 if (c >= NFA_FIRST_NL && c <= NFA_LAST_NL) | |
| 2402 { | |
| 2403 addnl = TRUE; | |
| 5296 | 2404 c -= NFA_ADD_NL; |
| 4444 | 2405 } |
| 2406 | |
| 2407 STRCPY(code, ""); | |
| 2408 switch (c) | |
| 2409 { | |
| 2410 case NFA_MATCH: STRCPY(code, "NFA_MATCH "); break; | |
| 2411 case NFA_SPLIT: STRCPY(code, "NFA_SPLIT "); break; | |
| 2412 case NFA_CONCAT: STRCPY(code, "NFA_CONCAT "); break; | |
| 2413 case NFA_NEWL: STRCPY(code, "NFA_NEWL "); break; | |
| 2414 case NFA_ZSTART: STRCPY(code, "NFA_ZSTART"); break; | |
| 2415 case NFA_ZEND: STRCPY(code, "NFA_ZEND"); break; | |
| 2416 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2417 case NFA_BACKREF1: STRCPY(code, "NFA_BACKREF1"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2418 case NFA_BACKREF2: STRCPY(code, "NFA_BACKREF2"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2419 case NFA_BACKREF3: STRCPY(code, "NFA_BACKREF3"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2420 case NFA_BACKREF4: STRCPY(code, "NFA_BACKREF4"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2421 case NFA_BACKREF5: STRCPY(code, "NFA_BACKREF5"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2422 case NFA_BACKREF6: STRCPY(code, "NFA_BACKREF6"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2423 case NFA_BACKREF7: STRCPY(code, "NFA_BACKREF7"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2424 case NFA_BACKREF8: STRCPY(code, "NFA_BACKREF8"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2425 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
|
2426 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2427 case NFA_ZREF1: STRCPY(code, "NFA_ZREF1"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2428 case NFA_ZREF2: STRCPY(code, "NFA_ZREF2"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2429 case NFA_ZREF3: STRCPY(code, "NFA_ZREF3"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2430 case NFA_ZREF4: STRCPY(code, "NFA_ZREF4"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2431 case NFA_ZREF5: STRCPY(code, "NFA_ZREF5"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2432 case NFA_ZREF6: STRCPY(code, "NFA_ZREF6"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2433 case NFA_ZREF7: STRCPY(code, "NFA_ZREF7"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2434 case NFA_ZREF8: STRCPY(code, "NFA_ZREF8"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2435 case NFA_ZREF9: STRCPY(code, "NFA_ZREF9"); break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2436 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2437 case NFA_SKIP: STRCPY(code, "NFA_SKIP"); break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
2438 |
| 4444 | 2439 case NFA_PREV_ATOM_NO_WIDTH: |
| 2440 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
|
2441 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
2442 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
|
2443 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2444 STRCPY(code, "NFA_PREV_ATOM_JUST_BEFORE"); break; |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2445 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2446 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
|
2447 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2448 STRCPY(code, "NFA_PREV_ATOM_LIKE_PATTERN"); break; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
2449 |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2450 case NFA_NOPEN: STRCPY(code, "NFA_NOPEN"); break; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
2451 case NFA_NCLOSE: STRCPY(code, "NFA_NCLOSE"); break; |
| 4444 | 2452 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
|
2453 case NFA_START_INVISIBLE_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2454 STRCPY(code, "NFA_START_INVISIBLE_FIRST"); break; |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2455 case NFA_START_INVISIBLE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2456 STRCPY(code, "NFA_START_INVISIBLE_NEG"); break; |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2457 case NFA_START_INVISIBLE_NEG_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2458 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
|
2459 case NFA_START_INVISIBLE_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
2460 STRCPY(code, "NFA_START_INVISIBLE_BEFORE"); break; |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2461 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2462 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
|
2463 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
2464 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
|
2465 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
2466 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
|
2467 case NFA_START_PATTERN: STRCPY(code, "NFA_START_PATTERN"); break; |
| 4444 | 2468 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
|
2469 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
|
2470 case NFA_END_PATTERN: STRCPY(code, "NFA_END_PATTERN"); break; |
| 4444 | 2471 |
| 2472 case NFA_COMPOSING: STRCPY(code, "NFA_COMPOSING"); break; | |
| 2473 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
|
2474 case NFA_OPT_CHARS: STRCPY(code, "NFA_OPT_CHARS"); break; |
| 4444 | 2475 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2476 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2477 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2478 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2479 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2480 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2481 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2482 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2483 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2484 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2485 case NFA_MOPEN9: |
| 4444 | 2486 STRCPY(code, "NFA_MOPEN(x)"); |
| 2487 code[10] = c - NFA_MOPEN + '0'; | |
| 2488 break; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2489 case NFA_MCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2490 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2491 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2492 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2493 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2494 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2495 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2496 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2497 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2498 case NFA_MCLOSE9: |
| 4444 | 2499 STRCPY(code, "NFA_MCLOSE(x)"); |
| 2500 code[11] = c - NFA_MCLOSE + '0'; | |
| 2501 break; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2502 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2503 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2504 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2505 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2506 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2507 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2508 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2509 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2510 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2511 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2512 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2513 STRCPY(code, "NFA_ZOPEN(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2514 code[10] = c - NFA_ZOPEN + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2515 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2516 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2517 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2518 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2519 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2520 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2521 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2522 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2523 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2524 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2525 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2526 STRCPY(code, "NFA_ZCLOSE(x)"); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2527 code[11] = c - NFA_ZCLOSE + '0'; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2528 break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
2529 #endif |
| 4444 | 2530 case NFA_EOL: STRCPY(code, "NFA_EOL "); break; |
| 2531 case NFA_BOL: STRCPY(code, "NFA_BOL "); break; | |
| 2532 case NFA_EOW: STRCPY(code, "NFA_EOW "); break; | |
| 2533 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
|
2534 case NFA_EOF: STRCPY(code, "NFA_EOF "); break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
2535 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
|
2536 case NFA_LNUM: STRCPY(code, "NFA_LNUM "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2537 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
|
2538 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
|
2539 case NFA_COL: STRCPY(code, "NFA_COL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2540 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
|
2541 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
|
2542 case NFA_VCOL: STRCPY(code, "NFA_VCOL "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2543 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
|
2544 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
|
2545 case NFA_MARK: STRCPY(code, "NFA_MARK "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2546 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
|
2547 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
|
2548 case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
2549 case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break; |
| 5901 | 2550 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
|
2551 |
| 4444 | 2552 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
|
2553 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
|
2554 case NFA_QUEST: STRCPY(code, "NFA_QUEST"); break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
2555 case NFA_QUEST_NONGREEDY: STRCPY(code, "NFA_QUEST_NON_GREEDY"); break; |
| 5370 | 2556 case NFA_EMPTY: STRCPY(code, "NFA_EMPTY"); break; |
| 4444 | 2557 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
|
2558 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2559 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
|
2560 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
|
2561 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
|
2562 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
|
2563 case NFA_RANGE: STRCPY(code, "NFA_RANGE"); break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
2564 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
|
2565 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
|
2566 |
| 4444 | 2567 case NFA_CLASS_ALNUM: STRCPY(code, "NFA_CLASS_ALNUM"); break; |
| 2568 case NFA_CLASS_ALPHA: STRCPY(code, "NFA_CLASS_ALPHA"); break; | |
| 2569 case NFA_CLASS_BLANK: STRCPY(code, "NFA_CLASS_BLANK"); break; | |
| 2570 case NFA_CLASS_CNTRL: STRCPY(code, "NFA_CLASS_CNTRL"); break; | |
| 2571 case NFA_CLASS_DIGIT: STRCPY(code, "NFA_CLASS_DIGIT"); break; | |
| 2572 case NFA_CLASS_GRAPH: STRCPY(code, "NFA_CLASS_GRAPH"); break; | |
| 2573 case NFA_CLASS_LOWER: STRCPY(code, "NFA_CLASS_LOWER"); break; | |
| 2574 case NFA_CLASS_PRINT: STRCPY(code, "NFA_CLASS_PRINT"); break; | |
| 2575 case NFA_CLASS_PUNCT: STRCPY(code, "NFA_CLASS_PUNCT"); break; | |
| 2576 case NFA_CLASS_SPACE: STRCPY(code, "NFA_CLASS_SPACE"); break; | |
| 2577 case NFA_CLASS_UPPER: STRCPY(code, "NFA_CLASS_UPPER"); break; | |
| 2578 case NFA_CLASS_XDIGIT: STRCPY(code, "NFA_CLASS_XDIGIT"); break; | |
| 2579 case NFA_CLASS_TAB: STRCPY(code, "NFA_CLASS_TAB"); break; | |
| 2580 case NFA_CLASS_RETURN: STRCPY(code, "NFA_CLASS_RETURN"); break; | |
| 2581 case NFA_CLASS_BACKSPACE: STRCPY(code, "NFA_CLASS_BACKSPACE"); break; | |
| 2582 case NFA_CLASS_ESCAPE: STRCPY(code, "NFA_CLASS_ESCAPE"); break; | |
|
15709
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
2583 case NFA_CLASS_IDENT: STRCPY(code, "NFA_CLASS_IDENT"); break; |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
2584 case NFA_CLASS_KEYWORD: STRCPY(code, "NFA_CLASS_KEYWORD"); break; |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
2585 case NFA_CLASS_FNAME: STRCPY(code, "NFA_CLASS_FNAME"); break; |
| 4444 | 2586 |
| 2587 case NFA_ANY: STRCPY(code, "NFA_ANY"); break; | |
| 2588 case NFA_IDENT: STRCPY(code, "NFA_IDENT"); break; | |
| 2589 case NFA_SIDENT:STRCPY(code, "NFA_SIDENT"); break; | |
| 2590 case NFA_KWORD: STRCPY(code, "NFA_KWORD"); break; | |
| 2591 case NFA_SKWORD:STRCPY(code, "NFA_SKWORD"); break; | |
| 2592 case NFA_FNAME: STRCPY(code, "NFA_FNAME"); break; | |
| 2593 case NFA_SFNAME:STRCPY(code, "NFA_SFNAME"); break; | |
| 2594 case NFA_PRINT: STRCPY(code, "NFA_PRINT"); break; | |
| 2595 case NFA_SPRINT:STRCPY(code, "NFA_SPRINT"); break; | |
| 2596 case NFA_WHITE: STRCPY(code, "NFA_WHITE"); break; | |
| 2597 case NFA_NWHITE:STRCPY(code, "NFA_NWHITE"); break; | |
| 2598 case NFA_DIGIT: STRCPY(code, "NFA_DIGIT"); break; | |
| 2599 case NFA_NDIGIT:STRCPY(code, "NFA_NDIGIT"); break; | |
| 2600 case NFA_HEX: STRCPY(code, "NFA_HEX"); break; | |
| 2601 case NFA_NHEX: STRCPY(code, "NFA_NHEX"); break; | |
| 2602 case NFA_OCTAL: STRCPY(code, "NFA_OCTAL"); break; | |
| 2603 case NFA_NOCTAL:STRCPY(code, "NFA_NOCTAL"); break; | |
| 2604 case NFA_WORD: STRCPY(code, "NFA_WORD"); break; | |
| 2605 case NFA_NWORD: STRCPY(code, "NFA_NWORD"); break; | |
| 2606 case NFA_HEAD: STRCPY(code, "NFA_HEAD"); break; | |
| 2607 case NFA_NHEAD: STRCPY(code, "NFA_NHEAD"); break; | |
| 2608 case NFA_ALPHA: STRCPY(code, "NFA_ALPHA"); break; | |
| 2609 case NFA_NALPHA:STRCPY(code, "NFA_NALPHA"); break; | |
| 2610 case NFA_LOWER: STRCPY(code, "NFA_LOWER"); break; | |
| 2611 case NFA_NLOWER:STRCPY(code, "NFA_NLOWER"); break; | |
| 2612 case NFA_UPPER: STRCPY(code, "NFA_UPPER"); break; | |
| 2613 case NFA_NUPPER:STRCPY(code, "NFA_NUPPER"); break; | |
| 5296 | 2614 case NFA_LOWER_IC: STRCPY(code, "NFA_LOWER_IC"); break; |
| 2615 case NFA_NLOWER_IC: STRCPY(code, "NFA_NLOWER_IC"); break; | |
| 2616 case NFA_UPPER_IC: STRCPY(code, "NFA_UPPER_IC"); break; | |
| 2617 case NFA_NUPPER_IC: STRCPY(code, "NFA_NUPPER_IC"); break; | |
| 4444 | 2618 |
| 2619 default: | |
| 2620 STRCPY(code, "CHAR(x)"); | |
| 2621 code[5] = c; | |
| 2622 } | |
| 2623 | |
| 2624 if (addnl == TRUE) | |
| 2625 STRCAT(code, " + NEWLINE "); | |
| 2626 | |
| 2627 } | |
| 2628 | |
| 2629 #ifdef ENABLE_LOG | |
| 2630 static FILE *log_fd; | |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
2631 static char_u e_log_open_failed[] = N_("Could not open temporary log file for writing, displaying on stderr... "); |
| 4444 | 2632 |
| 2633 /* | |
| 2634 * Print the postfix notation of the current regexp. | |
| 2635 */ | |
| 2636 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2637 nfa_postfix_dump(char_u *expr, int retval) |
| 4444 | 2638 { |
| 2639 int *p; | |
| 2640 FILE *f; | |
| 2641 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2642 f = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2643 if (f != NULL) |
| 2644 { | |
| 2645 fprintf(f, "\n-------------------------\n"); | |
| 2646 if (retval == FAIL) | |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
2647 fprintf(f, ">>> NFA engine failed... \n"); |
| 4444 | 2648 else if (retval == OK) |
| 2649 fprintf(f, ">>> NFA engine succeeded !\n"); | |
| 2650 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
|
2651 for (p = post_start; *p && p < post_ptr; p++) |
| 4444 | 2652 { |
| 2653 nfa_set_code(*p); | |
| 2654 fprintf(f, "%s, ", code); | |
| 2655 } | |
| 2656 fprintf(f, "\"\nPostfix notation (int): "); | |
|
5255
3c6e2b89875f
updated for version 7.4b.004
Bram Moolenaar <bram@vim.org>
parents:
5253
diff
changeset
|
2657 for (p = post_start; *p && p < post_ptr; p++) |
| 4444 | 2658 fprintf(f, "%d ", *p); |
| 2659 fprintf(f, "\n\n"); | |
| 2660 fclose(f); | |
| 2661 } | |
| 2662 } | |
| 2663 | |
| 2664 /* | |
| 2665 * Print the NFA starting with a root node "state". | |
| 2666 */ | |
| 2667 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2668 nfa_print_state(FILE *debugf, nfa_state_T *state) |
| 4444 | 2669 { |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2670 garray_T indent; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2671 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2672 ga_init2(&indent, 1, 64); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2673 ga_append(&indent, '\0'); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2674 nfa_print_state2(debugf, state, &indent); |
|
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
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|
2675 ga_clear(&indent); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
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|
2676 } |
|
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
changeset
|
2677 |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2678 static void |
|
7833
c079097365f3
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Christian Brabandt <cb@256bit.org>
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7805
diff
changeset
|
2679 nfa_print_state2(FILE *debugf, nfa_state_T *state, garray_T *indent) |
|
4533
6a2005efa02b
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diff
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|
2680 { |
|
6a2005efa02b
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Bram Moolenaar <bram@vim.org>
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4531
diff
changeset
|
2681 char_u *p; |
| 4444 | 2682 |
| 2683 if (state == NULL) | |
| 2684 return; | |
| 2685 | |
| 2686 fprintf(debugf, "(%2d)", abs(state->id)); | |
|
4533
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diff
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|
2687 |
|
18812
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parents:
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|
2688 // Output indent |
|
4533
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diff
changeset
|
2689 p = (char_u *)indent->ga_data; |
|
6a2005efa02b
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parents:
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diff
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|
2690 if (indent->ga_len >= 3) |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
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diff
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|
2691 { |
|
6a2005efa02b
updated for version 7.3.1014
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parents:
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diff
changeset
|
2692 int last = indent->ga_len - 3; |
|
6a2005efa02b
updated for version 7.3.1014
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parents:
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diff
changeset
|
2693 char_u save[2]; |
|
6a2005efa02b
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parents:
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diff
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|
2694 |
|
6a2005efa02b
updated for version 7.3.1014
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parents:
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diff
changeset
|
2695 STRNCPY(save, &p[last], 2); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
2696 STRNCPY(&p[last], "+-", 2); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2697 fprintf(debugf, " %s", p); |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2698 STRNCPY(&p[last], save, 2); |
|
6a2005efa02b
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parents:
4531
diff
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|
2699 } |
|
6a2005efa02b
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|
2700 else |
|
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parents:
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diff
changeset
|
2701 fprintf(debugf, " %s", p); |
| 4444 | 2702 |
| 2703 nfa_set_code(state->c); | |
|
4785
3b5a023a4543
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4783
diff
changeset
|
2704 fprintf(debugf, "%s (%d) (id=%d) val=%d\n", |
|
4781
c02c7df9bdc9
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|
2705 code, |
|
c02c7df9bdc9
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|
2706 state->c, |
|
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diff
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|
2707 abs(state->id), |
|
c02c7df9bdc9
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parents:
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diff
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|
2708 state->val); |
| 4444 | 2709 if (state->id < 0) |
| 2710 return; | |
| 2711 | |
| 2712 state->id = abs(state->id) * -1; | |
|
4533
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|
2713 |
|
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|
2714 // grow indent for state->out |
|
4533
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diff
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|
2715 indent->ga_len -= 1; |
|
6a2005efa02b
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parents:
4531
diff
changeset
|
2716 if (state->out1) |
|
4537
5cc98a5898cf
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diff
changeset
|
2717 ga_concat(indent, (char_u *)"| "); |
|
4533
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diff
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|
2718 else |
|
4537
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diff
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|
2719 ga_concat(indent, (char_u *)" "); |
|
4533
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diff
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|
2720 ga_append(indent, '\0'); |
|
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diff
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|
2721 |
|
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updated for version 7.3.1014
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diff
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|
2722 nfa_print_state2(debugf, state->out, indent); |
|
6a2005efa02b
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parents:
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diff
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|
2723 |
|
18812
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parents:
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diff
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|
2724 // replace last part of indent for state->out1 |
|
4533
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parents:
4531
diff
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|
2725 indent->ga_len -= 3; |
|
4537
5cc98a5898cf
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4535
diff
changeset
|
2726 ga_concat(indent, (char_u *)" "); |
|
4533
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diff
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|
2727 ga_append(indent, '\0'); |
|
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2728 |
|
6a2005efa02b
updated for version 7.3.1014
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diff
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|
2729 nfa_print_state2(debugf, state->out1, indent); |
|
6a2005efa02b
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parents:
4531
diff
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|
2730 |
|
18812
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parents:
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diff
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|
2731 // shrink indent |
|
4533
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diff
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|
2732 indent->ga_len -= 3; |
|
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
2733 ga_append(indent, '\0'); |
| 4444 | 2734 } |
| 2735 | |
| 2736 /* | |
| 2737 * Print the NFA state machine. | |
| 2738 */ | |
| 2739 static void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2740 nfa_dump(nfa_regprog_T *prog) |
| 4444 | 2741 { |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2742 FILE *debugf = fopen(NFA_REGEXP_DUMP_LOG, "a"); |
| 4444 | 2743 |
| 2744 if (debugf != NULL) | |
| 2745 { | |
|
4533
6a2005efa02b
updated for version 7.3.1014
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parents:
4531
diff
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|
2746 nfa_print_state(debugf, prog->start); |
|
4772
03375ccf28a2
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diff
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|
2747 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
2748 if (prog->reganch) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
2749 fprintf(debugf, "reganch: %d\n", prog->reganch); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
2750 if (prog->regstart != NUL) |
|
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
changeset
|
2751 fprintf(debugf, "regstart: %c (decimal: %d)\n", |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
2752 prog->regstart, prog->regstart); |
|
66803af09906
updated for version 7.3.1149
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parents:
4801
diff
changeset
|
2753 if (prog->match_text != NULL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
2754 fprintf(debugf, "match_text: \"%s\"\n", prog->match_text); |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
2755 |
| 4444 | 2756 fclose(debugf); |
| 2757 } | |
| 2758 } | |
|
18812
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patch 8.1.2394: using old C style comments
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diff
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|
2759 #endif // ENABLE_LOG |
|
d34ec6fe207d
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18498
diff
changeset
|
2760 #endif // DEBUG |
| 4444 | 2761 |
| 2762 /* | |
| 2763 * Parse r.e. @expr and convert it into postfix form. | |
| 2764 * Return the postfix string on success, NULL otherwise. | |
| 2765 */ | |
| 2766 static int * | |
|
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7805
diff
changeset
|
2767 re2post(void) |
| 4444 | 2768 { |
| 2769 if (nfa_reg(REG_NOPAREN) == FAIL) | |
| 2770 return NULL; | |
| 2771 EMIT(NFA_MOPEN); | |
| 2772 return post_start; | |
| 2773 } | |
| 2774 | |
|
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diff
changeset
|
2775 // NB. Some of the code below is inspired by Russ's. |
| 4444 | 2776 |
| 2777 /* | |
| 2778 * Represents an NFA state plus zero or one or two arrows exiting. | |
| 2779 * if c == MATCH, no arrows out; matching state. | |
| 2780 * If c == SPLIT, unlabeled arrows to out and out1 (if != NULL). | |
| 2781 * If c < 256, labeled arrow with character c to out. | |
| 2782 */ | |
| 2783 | |
|
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diff
changeset
|
2784 static nfa_state_T *state_ptr; // points to nfa_prog->state |
| 4444 | 2785 |
| 2786 /* | |
| 2787 * Allocate and initialize nfa_state_T. | |
| 2788 */ | |
| 2789 static nfa_state_T * | |
|
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parents:
7805
diff
changeset
|
2790 alloc_state(int c, nfa_state_T *out, nfa_state_T *out1) |
| 4444 | 2791 { |
| 2792 nfa_state_T *s; | |
| 2793 | |
| 2794 if (istate >= nstate) | |
| 2795 return NULL; | |
| 2796 | |
| 2797 s = &state_ptr[istate++]; | |
| 2798 | |
| 2799 s->c = c; | |
| 2800 s->out = out; | |
| 2801 s->out1 = out1; | |
|
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diff
changeset
|
2802 s->val = 0; |
| 4444 | 2803 |
| 2804 s->id = istate; | |
|
4718
ec72bb4a0fc2
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4716
diff
changeset
|
2805 s->lastlist[0] = 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
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parents:
4716
diff
changeset
|
2806 s->lastlist[1] = 0; |
| 4444 | 2807 |
| 2808 return s; | |
| 2809 } | |
| 2810 | |
| 2811 /* | |
| 2812 * A partially built NFA without the matching state filled in. | |
| 2813 * Frag_T.start points at the start state. | |
| 2814 * Frag_T.out is a list of places that need to be set to the | |
| 2815 * next state for this fragment. | |
| 2816 */ | |
|
4555
b2946c06d1b6
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4553
diff
changeset
|
2817 |
|
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changeset
|
2818 // Since the out pointers in the list are always |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
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parents:
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diff
changeset
|
2819 // uninitialized, we use the pointers themselves |
|
d34ec6fe207d
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changeset
|
2820 // as storage for the Ptrlists. |
| 4444 | 2821 typedef union Ptrlist Ptrlist; |
|
4555
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diff
changeset
|
2822 union Ptrlist |
|
b2946c06d1b6
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diff
changeset
|
2823 { |
|
b2946c06d1b6
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diff
changeset
|
2824 Ptrlist *next; |
|
b2946c06d1b6
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diff
changeset
|
2825 nfa_state_T *s; |
|
b2946c06d1b6
updated for version 7.3.1025
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diff
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|
2826 }; |
|
b2946c06d1b6
updated for version 7.3.1025
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4553
diff
changeset
|
2827 |
| 4444 | 2828 struct Frag |
| 2829 { | |
|
4555
b2946c06d1b6
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Bram Moolenaar <bram@vim.org>
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4553
diff
changeset
|
2830 nfa_state_T *start; |
| 4444 | 2831 Ptrlist *out; |
| 2832 }; | |
| 2833 typedef struct Frag Frag_T; | |
| 2834 | |
| 2835 /* | |
| 4456 | 2836 * Initialize a Frag_T struct and return it. |
| 4444 | 2837 */ |
| 2838 static Frag_T | |
|
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7805
diff
changeset
|
2839 frag(nfa_state_T *start, Ptrlist *out) |
| 4444 | 2840 { |
| 4456 | 2841 Frag_T n; |
| 2842 | |
| 2843 n.start = start; | |
| 2844 n.out = out; | |
| 4444 | 2845 return n; |
| 2846 } | |
| 2847 | |
| 2848 /* | |
| 2849 * Create singleton list containing just outp. | |
| 2850 */ | |
| 2851 static Ptrlist * | |
|
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7805
diff
changeset
|
2852 list1( |
|
c079097365f3
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Christian Brabandt <cb@256bit.org>
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7805
diff
changeset
|
2853 nfa_state_T **outp) |
| 4444 | 2854 { |
| 2855 Ptrlist *l; | |
| 2856 | |
| 2857 l = (Ptrlist *)outp; | |
| 2858 l->next = NULL; | |
| 2859 return l; | |
| 2860 } | |
| 2861 | |
| 2862 /* | |
| 2863 * Patch the list of states at out to point to start. | |
| 2864 */ | |
| 2865 static void | |
|
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Christian Brabandt <cb@256bit.org>
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7805
diff
changeset
|
2866 patch(Ptrlist *l, nfa_state_T *s) |
| 4444 | 2867 { |
| 2868 Ptrlist *next; | |
| 2869 | |
| 2870 for (; l; l = next) | |
| 2871 { | |
| 2872 next = l->next; | |
| 2873 l->s = s; | |
| 2874 } | |
| 2875 } | |
| 2876 | |
| 2877 | |
| 2878 /* | |
| 2879 * Join the two lists l1 and l2, returning the combination. | |
| 2880 */ | |
| 2881 static Ptrlist * | |
|
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7805
diff
changeset
|
2882 append(Ptrlist *l1, Ptrlist *l2) |
| 4444 | 2883 { |
| 2884 Ptrlist *oldl1; | |
| 2885 | |
| 2886 oldl1 = l1; | |
| 2887 while (l1->next) | |
| 2888 l1 = l1->next; | |
| 2889 l1->next = l2; | |
| 2890 return oldl1; | |
| 2891 } | |
| 2892 | |
| 2893 /* | |
| 2894 * Stack used for transforming postfix form into NFA. | |
| 2895 */ | |
| 2896 static Frag_T empty; | |
| 2897 | |
| 2898 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2899 st_error(int *postfix UNUSED, int *end UNUSED, int *p UNUSED) |
| 4444 | 2900 { |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2901 #ifdef NFA_REGEXP_ERROR_LOG |
| 4444 | 2902 FILE *df; |
| 2903 int *p2; | |
| 2904 | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2905 df = fopen(NFA_REGEXP_ERROR_LOG, "a"); |
| 4444 | 2906 if (df) |
| 2907 { | |
| 2908 fprintf(df, "Error popping the stack!\n"); | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
2909 # ifdef DEBUG |
| 4444 | 2910 fprintf(df, "Current regexp is \"%s\"\n", nfa_regengine.expr); |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
2911 # endif |
| 4444 | 2912 fprintf(df, "Postfix form is: "); |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
2913 # ifdef DEBUG |
| 4444 | 2914 for (p2 = postfix; p2 < end; p2++) |
| 2915 { | |
| 2916 nfa_set_code(*p2); | |
| 2917 fprintf(df, "%s, ", code); | |
| 2918 } | |
| 2919 nfa_set_code(*p); | |
| 2920 fprintf(df, "\nCurrent position is: "); | |
| 2921 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2922 { | |
| 2923 nfa_set_code(*p2); | |
| 2924 fprintf(df, "%s, ", code); | |
| 2925 } | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
2926 # else |
| 4444 | 2927 for (p2 = postfix; p2 < end; p2++) |
| 2928 fprintf(df, "%d, ", *p2); | |
| 2929 fprintf(df, "\nCurrent position is: "); | |
| 2930 for (p2 = postfix; p2 <= p; p2 ++) | |
| 2931 fprintf(df, "%d, ", *p2); | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
2932 # endif |
| 4444 | 2933 fprintf(df, "\n--------------------------\n"); |
| 2934 fclose(df); | |
| 2935 } | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
2936 #endif |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
2937 emsg(_("E874: (NFA) Could not pop the stack!")); |
| 4444 | 2938 } |
| 2939 | |
| 2940 /* | |
| 2941 * Push an item onto the stack. | |
| 2942 */ | |
| 2943 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2944 st_push(Frag_T s, Frag_T **p, Frag_T *stack_end) |
| 4444 | 2945 { |
| 2946 Frag_T *stackp = *p; | |
| 2947 | |
| 2948 if (stackp >= stack_end) | |
| 2949 return; | |
| 2950 *stackp = s; | |
| 2951 *p = *p + 1; | |
| 2952 } | |
| 2953 | |
| 2954 /* | |
| 2955 * Pop an item from the stack. | |
| 2956 */ | |
| 2957 static Frag_T | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2958 st_pop(Frag_T **p, Frag_T *stack) |
| 4444 | 2959 { |
| 2960 Frag_T *stackp; | |
| 2961 | |
| 2962 *p = *p - 1; | |
| 2963 stackp = *p; | |
| 2964 if (stackp < stack) | |
| 2965 return empty; | |
| 2966 return **p; | |
| 2967 } | |
| 2968 | |
| 2969 /* | |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2970 * Estimate the maximum byte length of anything matching "state". |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2971 * When unknown or unlimited return -1. |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2972 */ |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2973 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2974 nfa_max_width(nfa_state_T *startstate, int depth) |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2975 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2976 int l, r; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2977 nfa_state_T *state = startstate; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2978 int len = 0; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2979 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2980 // detect looping in a NFA_SPLIT |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2981 if (depth > 4) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2982 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2983 |
|
4958
0a379dea13c9
updated for version 7.3.1224
Bram Moolenaar <bram@vim.org>
parents:
4944
diff
changeset
|
2984 while (state != NULL) |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2985 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2986 switch (state->c) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2987 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2988 case NFA_END_INVISIBLE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2989 case NFA_END_INVISIBLE_NEG: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2990 // the end, return what we have |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2991 return len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2992 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2993 case NFA_SPLIT: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
2994 // two alternatives, use the maximum |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2995 l = nfa_max_width(state->out, depth + 1); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2996 r = nfa_max_width(state->out1, depth + 1); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2997 if (l < 0 || r < 0) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2998 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
2999 return len + (l > r ? l : r); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3000 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3001 case NFA_ANY: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3002 case NFA_START_COLL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3003 case NFA_START_NEG_COLL: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3004 // matches some character, including composing chars |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3005 if (enc_utf8) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3006 len += MB_MAXBYTES; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3007 else if (has_mbyte) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3008 len += 2; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3009 else |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3010 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3011 if (state->c != NFA_ANY) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3012 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3013 // skip over the characters |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3014 state = state->out1->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3015 continue; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3016 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3017 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3018 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3019 case NFA_DIGIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3020 case NFA_WHITE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3021 case NFA_HEX: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3022 case NFA_OCTAL: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3023 // ascii |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3024 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3025 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3026 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3027 case NFA_IDENT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3028 case NFA_SIDENT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3029 case NFA_KWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3030 case NFA_SKWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3031 case NFA_FNAME: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3032 case NFA_SFNAME: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3033 case NFA_PRINT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3034 case NFA_SPRINT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3035 case NFA_NWHITE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3036 case NFA_NDIGIT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3037 case NFA_NHEX: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3038 case NFA_NOCTAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3039 case NFA_WORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3040 case NFA_NWORD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3041 case NFA_HEAD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3042 case NFA_NHEAD: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3043 case NFA_ALPHA: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3044 case NFA_NALPHA: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3045 case NFA_LOWER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3046 case NFA_NLOWER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3047 case NFA_UPPER: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3048 case NFA_NUPPER: |
| 5296 | 3049 case NFA_LOWER_IC: |
| 3050 case NFA_NLOWER_IC: | |
| 3051 case NFA_UPPER_IC: | |
| 3052 case NFA_NUPPER_IC: | |
| 5901 | 3053 case NFA_ANY_COMPOSING: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3054 // possibly non-ascii |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3055 if (has_mbyte) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3056 len += 3; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3057 else |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3058 ++len; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3059 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3060 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3061 case NFA_START_INVISIBLE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3062 case NFA_START_INVISIBLE_NEG: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3063 case NFA_START_INVISIBLE_BEFORE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3064 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3065 // zero-width, out1 points to the END state |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3066 state = state->out1->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3067 continue; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3068 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3069 case NFA_BACKREF1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3070 case NFA_BACKREF2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3071 case NFA_BACKREF3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3072 case NFA_BACKREF4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3073 case NFA_BACKREF5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3074 case NFA_BACKREF6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3075 case NFA_BACKREF7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3076 case NFA_BACKREF8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3077 case NFA_BACKREF9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3078 #ifdef FEAT_SYN_HL |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3079 case NFA_ZREF1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3080 case NFA_ZREF2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3081 case NFA_ZREF3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3082 case NFA_ZREF4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3083 case NFA_ZREF5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3084 case NFA_ZREF6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3085 case NFA_ZREF7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3086 case NFA_ZREF8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3087 case NFA_ZREF9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3088 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3089 case NFA_NEWL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3090 case NFA_SKIP: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3091 // unknown width |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3092 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3093 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3094 case NFA_BOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3095 case NFA_EOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3096 case NFA_BOF: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3097 case NFA_EOF: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3098 case NFA_BOW: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3099 case NFA_EOW: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3100 case NFA_MOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3101 case NFA_MOPEN1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3102 case NFA_MOPEN2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3103 case NFA_MOPEN3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3104 case NFA_MOPEN4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3105 case NFA_MOPEN5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3106 case NFA_MOPEN6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3107 case NFA_MOPEN7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3108 case NFA_MOPEN8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3109 case NFA_MOPEN9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3110 #ifdef FEAT_SYN_HL |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3111 case NFA_ZOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3112 case NFA_ZOPEN1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3113 case NFA_ZOPEN2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3114 case NFA_ZOPEN3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3115 case NFA_ZOPEN4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3116 case NFA_ZOPEN5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3117 case NFA_ZOPEN6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3118 case NFA_ZOPEN7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3119 case NFA_ZOPEN8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3120 case NFA_ZOPEN9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3121 case NFA_ZCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3122 case NFA_ZCLOSE1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3123 case NFA_ZCLOSE2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3124 case NFA_ZCLOSE3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3125 case NFA_ZCLOSE4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3126 case NFA_ZCLOSE5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3127 case NFA_ZCLOSE6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3128 case NFA_ZCLOSE7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3129 case NFA_ZCLOSE8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3130 case NFA_ZCLOSE9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3131 #endif |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3132 case NFA_MCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3133 case NFA_MCLOSE1: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3134 case NFA_MCLOSE2: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3135 case NFA_MCLOSE3: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3136 case NFA_MCLOSE4: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3137 case NFA_MCLOSE5: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3138 case NFA_MCLOSE6: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3139 case NFA_MCLOSE7: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3140 case NFA_MCLOSE8: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3141 case NFA_MCLOSE9: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3142 case NFA_NOPEN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3143 case NFA_NCLOSE: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3144 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3145 case NFA_LNUM_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3146 case NFA_LNUM_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3147 case NFA_COL_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3148 case NFA_COL_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3149 case NFA_VCOL_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3150 case NFA_VCOL_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3151 case NFA_MARK_GT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3152 case NFA_MARK_LT: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3153 case NFA_VISUAL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3154 case NFA_LNUM: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3155 case NFA_CURSOR: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3156 case NFA_COL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3157 case NFA_VCOL: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3158 case NFA_MARK: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3159 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3160 case NFA_ZSTART: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3161 case NFA_ZEND: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3162 case NFA_OPT_CHARS: |
| 5370 | 3163 case NFA_EMPTY: |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3164 case NFA_START_PATTERN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3165 case NFA_END_PATTERN: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3166 case NFA_COMPOSING: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3167 case NFA_END_COMPOSING: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3168 // zero-width |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3169 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3170 |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3171 default: |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3172 if (state->c < 0) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3173 // don't know what this is |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3174 return -1; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3175 // normal character |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3176 len += MB_CHAR2LEN(state->c); |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3177 break; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3178 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3179 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3180 // normal way to continue |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3181 state = state->out; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3182 } |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3183 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3184 // unrecognized, "cannot happen" |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3185 return -1; |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3186 } |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
3187 |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3188 /* |
| 4444 | 3189 * Convert a postfix form into its equivalent NFA. |
| 3190 * Return the NFA start state on success, NULL otherwise. | |
| 3191 */ | |
| 3192 static nfa_state_T * | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3193 post2nfa(int *postfix, int *end, int nfa_calc_size) |
| 4444 | 3194 { |
| 3195 int *p; | |
| 3196 int mopen; | |
| 3197 int mclose; | |
| 3198 Frag_T *stack = NULL; | |
| 3199 Frag_T *stackp = NULL; | |
| 3200 Frag_T *stack_end = NULL; | |
| 3201 Frag_T e1; | |
| 3202 Frag_T e2; | |
| 3203 Frag_T e; | |
| 3204 nfa_state_T *s; | |
| 3205 nfa_state_T *s1; | |
| 3206 nfa_state_T *matchstate; | |
| 4484 | 3207 nfa_state_T *ret = NULL; |
| 4444 | 3208 |
| 3209 if (postfix == NULL) | |
| 3210 return NULL; | |
| 3211 | |
| 4456 | 3212 #define PUSH(s) st_push((s), &stackp, stack_end) |
| 4444 | 3213 #define POP() st_pop(&stackp, stack); \ |
| 3214 if (stackp < stack) \ | |
| 3215 { \ | |
| 3216 st_error(postfix, end, p); \ | |
| 6747 | 3217 vim_free(stack); \ |
| 4444 | 3218 return NULL; \ |
| 3219 } | |
| 3220 | |
| 3221 if (nfa_calc_size == FALSE) | |
| 3222 { | |
|
18498
9e6d5a4abb1c
patch 8.1.2243: typos in comments
Bram Moolenaar <Bram@vim.org>
parents:
16825
diff
changeset
|
3223 // Allocate space for the stack. Max states on the stack: "nstate". |
|
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16782
diff
changeset
|
3224 stack = ALLOC_MULT(Frag_T, nstate + 1); |
|
15265
a7d02a56b5d5
patch 8.1.0641: no check for out-of-memory when converting regexp
Bram Moolenaar <Bram@vim.org>
parents:
14354
diff
changeset
|
3225 if (stack == NULL) |
|
a7d02a56b5d5
patch 8.1.0641: no check for out-of-memory when converting regexp
Bram Moolenaar <Bram@vim.org>
parents:
14354
diff
changeset
|
3226 return NULL; |
| 4444 | 3227 stackp = stack; |
| 4462 | 3228 stack_end = stack + (nstate + 1); |
| 4444 | 3229 } |
| 3230 | |
| 3231 for (p = postfix; p < end; ++p) | |
| 3232 { | |
| 3233 switch (*p) | |
| 3234 { | |
| 3235 case NFA_CONCAT: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3236 // Concatenation. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3237 // Pay attention: this operator does not exist in the r.e. itself |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3238 // (it is implicit, really). It is added when r.e. is translated |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3239 // to postfix form in re2post(). |
| 4444 | 3240 if (nfa_calc_size == TRUE) |
| 3241 { | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3242 // nstate += 0; |
| 4444 | 3243 break; |
| 3244 } | |
| 3245 e2 = POP(); | |
| 3246 e1 = POP(); | |
| 3247 patch(e1.out, e2.start); | |
| 3248 PUSH(frag(e1.start, e2.out)); | |
| 3249 break; | |
| 3250 | |
| 3251 case NFA_OR: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3252 // Alternation |
| 4444 | 3253 if (nfa_calc_size == TRUE) |
| 3254 { | |
| 4458 | 3255 nstate++; |
| 4444 | 3256 break; |
| 3257 } | |
| 3258 e2 = POP(); | |
| 3259 e1 = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3260 s = alloc_state(NFA_SPLIT, e1.start, e2.start); |
| 4444 | 3261 if (s == NULL) |
| 4484 | 3262 goto theend; |
| 4444 | 3263 PUSH(frag(s, append(e1.out, e2.out))); |
| 3264 break; | |
| 3265 | |
| 3266 case NFA_STAR: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3267 // Zero or more, prefer more |
| 4444 | 3268 if (nfa_calc_size == TRUE) |
| 3269 { | |
| 4458 | 3270 nstate++; |
| 4444 | 3271 break; |
| 3272 } | |
| 3273 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3274 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 3275 if (s == NULL) |
| 4484 | 3276 goto theend; |
| 4444 | 3277 patch(e.out, s); |
| 3278 PUSH(frag(s, list1(&s->out1))); | |
| 3279 break; | |
| 3280 | |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3281 case NFA_STAR_NONGREEDY: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3282 // Zero or more, prefer zero |
|
4675
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3283 if (nfa_calc_size == TRUE) |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3284 { |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3285 nstate++; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3286 break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3287 } |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3288 e = POP(); |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3289 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
|
3290 if (s == NULL) |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3291 goto theend; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3292 patch(e.out, s); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3293 PUSH(frag(s, list1(&s->out))); |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3294 break; |
|
811a4c9b51d8
updated for version 7.3.1085
Bram Moolenaar <bram@vim.org>
parents:
4673
diff
changeset
|
3295 |
| 4444 | 3296 case NFA_QUEST: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3297 // one or zero atoms=> greedy match |
| 4444 | 3298 if (nfa_calc_size == TRUE) |
| 3299 { | |
| 4458 | 3300 nstate++; |
| 4444 | 3301 break; |
| 3302 } | |
| 3303 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3304 s = alloc_state(NFA_SPLIT, e.start, NULL); |
| 4444 | 3305 if (s == NULL) |
| 4484 | 3306 goto theend; |
| 4444 | 3307 PUSH(frag(s, append(e.out, list1(&s->out1)))); |
| 3308 break; | |
| 3309 | |
| 3310 case NFA_QUEST_NONGREEDY: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3311 // zero or one atoms => non-greedy match |
| 4444 | 3312 if (nfa_calc_size == TRUE) |
| 3313 { | |
| 4458 | 3314 nstate++; |
| 4444 | 3315 break; |
| 3316 } | |
| 3317 e = POP(); | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3318 s = alloc_state(NFA_SPLIT, NULL, e.start); |
| 4444 | 3319 if (s == NULL) |
| 4484 | 3320 goto theend; |
| 4444 | 3321 PUSH(frag(s, append(e.out, list1(&s->out)))); |
| 3322 break; | |
| 3323 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3324 case NFA_END_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3325 case NFA_END_NEG_COLL: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3326 // On the stack is the sequence starting with NFA_START_COLL or |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3327 // NFA_START_NEG_COLL and all possible characters. Patch it to |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3328 // add the output to the start. |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3329 if (nfa_calc_size == TRUE) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3330 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3331 nstate++; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3332 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3333 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3334 e = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3335 s = alloc_state(NFA_END_COLL, NULL, NULL); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3336 if (s == NULL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3337 goto theend; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3338 patch(e.out, s); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3339 e.start->out1 = s; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3340 PUSH(frag(e.start, list1(&s->out))); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3341 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3342 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3343 case NFA_RANGE: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3344 // Before this are two characters, the low and high end of a |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3345 // range. Turn them into two states with MIN and MAX. |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3346 if (nfa_calc_size == TRUE) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3347 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3348 // nstate += 0; |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3349 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3350 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3351 e2 = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3352 e1 = POP(); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3353 e2.start->val = e2.start->c; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3354 e2.start->c = NFA_RANGE_MAX; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3355 e1.start->val = e1.start->c; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3356 e1.start->c = NFA_RANGE_MIN; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3357 patch(e1.out, e2.start); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3358 PUSH(frag(e1.start, e2.out)); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3359 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3360 |
| 5370 | 3361 case NFA_EMPTY: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3362 // 0-length, used in a repetition with max/min count of 0 |
| 4444 | 3363 if (nfa_calc_size == TRUE) |
| 3364 { | |
| 4458 | 3365 nstate++; |
| 4444 | 3366 break; |
| 3367 } | |
| 5370 | 3368 s = alloc_state(NFA_EMPTY, NULL, NULL); |
| 4444 | 3369 if (s == NULL) |
| 4484 | 3370 goto theend; |
| 4444 | 3371 PUSH(frag(s, list1(&s->out))); |
| 3372 break; | |
| 3373 | |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3374 case NFA_OPT_CHARS: |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3375 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3376 int n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3377 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3378 // \%[abc] implemented as: |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3379 // NFA_SPLIT |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3380 // +-CHAR(a) |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3381 // | +-NFA_SPLIT |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3382 // | +-CHAR(b) |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3383 // | | +-NFA_SPLIT |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3384 // | | +-CHAR(c) |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3385 // | | | +-next |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3386 // | | +- next |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3387 // | +- next |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3388 // +- next |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3389 n = *++p; // get number of characters |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3390 if (nfa_calc_size == TRUE) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3391 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3392 nstate += n; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3393 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3394 } |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3395 s = NULL; // avoid compiler warning |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3396 e1.out = NULL; // stores list with out1's |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3397 s1 = NULL; // previous NFA_SPLIT to connect to |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3398 while (n-- > 0) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3399 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3400 e = POP(); // get character |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3401 s = alloc_state(NFA_SPLIT, e.start, NULL); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3402 if (s == NULL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3403 goto theend; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3404 if (e1.out == NULL) |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3405 e1 = e; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3406 patch(e.out, s1); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3407 append(e1.out, list1(&s->out1)); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3408 s1 = s; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3409 } |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3410 PUSH(frag(s, e1.out)); |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3411 break; |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3412 } |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3413 |
| 4444 | 3414 case NFA_PREV_ATOM_NO_WIDTH: |
|
4661
0dce3d812e7a
updated for version 7.3.1078
Bram Moolenaar <bram@vim.org>
parents:
4657
diff
changeset
|
3415 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3416 case NFA_PREV_ATOM_JUST_BEFORE: |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3417 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3418 case NFA_PREV_ATOM_LIKE_PATTERN: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3419 { |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3420 int before = (*p == NFA_PREV_ATOM_JUST_BEFORE |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3421 || *p == NFA_PREV_ATOM_JUST_BEFORE_NEG); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3422 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
|
3423 int start_state; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3424 int end_state; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3425 int n = 0; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3426 nfa_state_T *zend; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3427 nfa_state_T *skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3428 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3429 switch (*p) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3430 { |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3431 case NFA_PREV_ATOM_NO_WIDTH: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3432 start_state = NFA_START_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3433 end_state = NFA_END_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3434 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3435 case NFA_PREV_ATOM_NO_WIDTH_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3436 start_state = NFA_START_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3437 end_state = NFA_END_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3438 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3439 case NFA_PREV_ATOM_JUST_BEFORE: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3440 start_state = NFA_START_INVISIBLE_BEFORE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3441 end_state = NFA_END_INVISIBLE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3442 break; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3443 case NFA_PREV_ATOM_JUST_BEFORE_NEG: |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3444 start_state = NFA_START_INVISIBLE_BEFORE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3445 end_state = NFA_END_INVISIBLE_NEG; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3446 break; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3447 default: // NFA_PREV_ATOM_LIKE_PATTERN: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3448 start_state = NFA_START_PATTERN; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3449 end_state = NFA_END_PATTERN; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
3450 break; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3451 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3452 |
|
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3453 if (before) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3454 n = *++p; // get the count |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3455 |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3456 // The \@= operator: match the preceding atom with zero width. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3457 // The \@! operator: no match for the preceding atom. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3458 // The \@<= operator: match for the preceding atom. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3459 // The \@<! operator: no match for the preceding atom. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3460 // Surrounds the preceding atom with START_INVISIBLE and |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3461 // END_INVISIBLE, similarly to MOPEN. |
| 4444 | 3462 |
| 3463 if (nfa_calc_size == TRUE) | |
| 3464 { | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3465 nstate += pattern ? 4 : 2; |
| 4444 | 3466 break; |
| 3467 } | |
| 3468 e = POP(); | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3469 s1 = alloc_state(end_state, NULL, NULL); |
| 4444 | 3470 if (s1 == NULL) |
| 4484 | 3471 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3472 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3473 s = alloc_state(start_state, e.start, s1); |
| 4444 | 3474 if (s == NULL) |
| 4484 | 3475 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3476 if (pattern) |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3477 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3478 // NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows. |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3479 skip = alloc_state(NFA_SKIP, NULL, NULL); |
|
11896
a941848d8c44
patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
11525
diff
changeset
|
3480 if (skip == NULL) |
|
a941848d8c44
patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
11525
diff
changeset
|
3481 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3482 zend = alloc_state(NFA_ZEND, s1, NULL); |
|
11896
a941848d8c44
patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
11525
diff
changeset
|
3483 if (zend == NULL) |
|
a941848d8c44
patch 8.0.0828: Coverity: may dereference NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
11525
diff
changeset
|
3484 goto theend; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3485 s1->out= skip; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3486 patch(e.out, zend); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3487 PUSH(frag(s, list1(&skip->out))); |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
3488 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3489 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3490 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3491 patch(e.out, s1); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3492 PUSH(frag(s, list1(&s1->out))); |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3493 if (before) |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3494 { |
|
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3495 if (n <= 0) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3496 // See if we can guess the maximum width, it avoids a |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3497 // lot of pointless tries. |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3498 n = nfa_max_width(e.start, 0); |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3499 s->val = n; // store the count |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
3500 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3501 } |
| 4444 | 3502 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3503 } |
| 4444 | 3504 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3505 case NFA_COMPOSING: // char with composing char |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3506 #if 0 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3507 // TODO |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3508 if (regflags & RF_ICOMBINE) |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3509 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3510 // use the base character only |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3511 } |
|
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3512 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3513 // FALLTHROUGH |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3514 |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3515 case NFA_MOPEN: // \( \) Submatch |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3516 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3517 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3518 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3519 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3520 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3521 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3522 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3523 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3524 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3525 #ifdef FEAT_SYN_HL |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3526 case NFA_ZOPEN: // \z( \) Submatch |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3527 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3528 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3529 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3530 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3531 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3532 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3533 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3534 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3535 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3536 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3537 case NFA_NOPEN: // \%( \) "Invisible Submatch" |
| 4444 | 3538 if (nfa_calc_size == TRUE) |
| 3539 { | |
| 3540 nstate += 2; | |
| 3541 break; | |
| 3542 } | |
| 3543 | |
| 3544 mopen = *p; | |
| 3545 switch (*p) | |
| 3546 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3547 case NFA_NOPEN: mclose = NFA_NCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3548 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3549 case NFA_ZOPEN: mclose = NFA_ZCLOSE; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3550 case NFA_ZOPEN1: mclose = NFA_ZCLOSE1; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3551 case NFA_ZOPEN2: mclose = NFA_ZCLOSE2; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3552 case NFA_ZOPEN3: mclose = NFA_ZCLOSE3; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3553 case NFA_ZOPEN4: mclose = NFA_ZCLOSE4; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3554 case NFA_ZOPEN5: mclose = NFA_ZCLOSE5; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3555 case NFA_ZOPEN6: mclose = NFA_ZCLOSE6; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3556 case NFA_ZOPEN7: mclose = NFA_ZCLOSE7; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3557 case NFA_ZOPEN8: mclose = NFA_ZCLOSE8; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3558 case NFA_ZOPEN9: mclose = NFA_ZCLOSE9; break; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3559 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3560 case NFA_COMPOSING: mclose = NFA_END_COMPOSING; break; |
| 4444 | 3561 default: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3562 // NFA_MOPEN, NFA_MOPEN1 .. NFA_MOPEN9 |
| 4444 | 3563 mclose = *p + NSUBEXP; |
| 3564 break; | |
| 3565 } | |
| 3566 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3567 // Allow "NFA_MOPEN" as a valid postfix representation for |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3568 // the empty regexp "". In this case, the NFA will be |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3569 // NFA_MOPEN -> NFA_MCLOSE. Note that this also allows |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3570 // empty groups of parenthesis, and empty mbyte chars |
| 4444 | 3571 if (stackp == stack) |
| 3572 { | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3573 s = alloc_state(mopen, NULL, NULL); |
| 4444 | 3574 if (s == NULL) |
| 4484 | 3575 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3576 s1 = alloc_state(mclose, NULL, NULL); |
| 4444 | 3577 if (s1 == NULL) |
| 4484 | 3578 goto theend; |
| 4444 | 3579 patch(list1(&s->out), s1); |
| 3580 PUSH(frag(s, list1(&s1->out))); | |
| 3581 break; | |
| 3582 } | |
| 3583 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3584 // At least one node was emitted before NFA_MOPEN, so |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3585 // at least one node will be between NFA_MOPEN and NFA_MCLOSE |
| 4444 | 3586 e = POP(); |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3587 s = alloc_state(mopen, e.start, NULL); // `(' |
| 4444 | 3588 if (s == NULL) |
| 4484 | 3589 goto theend; |
| 4444 | 3590 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3591 s1 = alloc_state(mclose, NULL, NULL); // `)' |
| 4444 | 3592 if (s1 == NULL) |
| 4484 | 3593 goto theend; |
| 4444 | 3594 patch(e.out, s1); |
| 3595 | |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
3596 if (mopen == NFA_COMPOSING) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3597 // COMPOSING->out1 = END_COMPOSING |
| 4444 | 3598 patch(list1(&s->out1), s1); |
| 3599 | |
| 3600 PUSH(frag(s, list1(&s1->out))); | |
| 3601 break; | |
| 3602 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3603 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3604 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3605 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3606 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3607 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3608 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3609 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3610 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3611 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3612 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3613 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3614 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3615 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3616 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3617 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3618 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3619 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3620 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3621 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3622 #endif |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3623 if (nfa_calc_size == TRUE) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3624 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3625 nstate += 2; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3626 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3627 } |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3628 s = alloc_state(*p, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3629 if (s == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3630 goto theend; |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3631 s1 = alloc_state(NFA_SKIP, NULL, NULL); |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3632 if (s1 == NULL) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3633 goto theend; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3634 patch(list1(&s->out), s1); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3635 PUSH(frag(s, list1(&s1->out))); |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3636 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3637 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3638 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3639 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3640 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3641 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3642 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3643 case NFA_VCOL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3644 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3645 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3646 case NFA_COL_LT: |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3647 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3648 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
3649 case NFA_MARK_LT: |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3650 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3651 int n = *++p; // lnum, col or mark name |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3652 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3653 if (nfa_calc_size == TRUE) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3654 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3655 nstate += 1; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3656 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3657 } |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3658 s = alloc_state(p[-1], NULL, NULL); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3659 if (s == NULL) |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3660 goto theend; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3661 s->val = n; |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3662 PUSH(frag(s, list1(&s->out))); |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3663 break; |
|
4740
97560c16ca99
updated for version 7.3.1117
Bram Moolenaar <bram@vim.org>
parents:
4738
diff
changeset
|
3664 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
3665 |
| 4444 | 3666 case NFA_ZSTART: |
| 3667 case NFA_ZEND: | |
| 3668 default: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3669 // Operands |
| 4444 | 3670 if (nfa_calc_size == TRUE) |
| 3671 { | |
| 4458 | 3672 nstate++; |
| 4444 | 3673 break; |
| 3674 } | |
|
4696
ed4e689bbea1
updated for version 7.3.1095
Bram Moolenaar <bram@vim.org>
parents:
4694
diff
changeset
|
3675 s = alloc_state(*p, NULL, NULL); |
| 4444 | 3676 if (s == NULL) |
| 4484 | 3677 goto theend; |
| 4444 | 3678 PUSH(frag(s, list1(&s->out))); |
| 3679 break; | |
| 3680 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3681 } // switch(*p) |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3682 |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3683 } // for(p = postfix; *p; ++p) |
| 4444 | 3684 |
| 3685 if (nfa_calc_size == TRUE) | |
| 3686 { | |
| 4458 | 3687 nstate++; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3688 goto theend; // Return value when counting size is ignored anyway |
| 4444 | 3689 } |
| 3690 | |
| 3691 e = POP(); | |
| 3692 if (stackp != stack) | |
| 6747 | 3693 { |
| 3694 vim_free(stack); | |
| 4444 | 3695 EMSG_RET_NULL(_("E875: (NFA regexp) (While converting from postfix to NFA), too many states left on stack")); |
| 6747 | 3696 } |
| 4444 | 3697 |
| 3698 if (istate >= nstate) | |
| 6747 | 3699 { |
| 3700 vim_free(stack); | |
| 4444 | 3701 EMSG_RET_NULL(_("E876: (NFA regexp) Not enough space to store the whole NFA ")); |
| 6747 | 3702 } |
| 4444 | 3703 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3704 matchstate = &state_ptr[istate++]; // the match state |
| 4444 | 3705 matchstate->c = NFA_MATCH; |
| 3706 matchstate->out = matchstate->out1 = NULL; | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
3707 matchstate->id = 0; |
| 4444 | 3708 |
| 3709 patch(e.out, matchstate); | |
| 4484 | 3710 ret = e.start; |
| 3711 | |
| 3712 theend: | |
| 3713 vim_free(stack); | |
| 3714 return ret; | |
| 4444 | 3715 |
| 3716 #undef POP1 | |
| 3717 #undef PUSH1 | |
| 3718 #undef POP2 | |
| 3719 #undef PUSH2 | |
| 3720 #undef POP | |
| 3721 #undef PUSH | |
| 3722 } | |
| 3723 | |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3724 /* |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3725 * 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
|
3726 */ |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3727 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3728 nfa_postprocess(nfa_regprog_T *prog) |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3729 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3730 int i; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3731 int c; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3732 |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3733 for (i = 0; i < prog->nstate; ++i) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3734 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3735 c = prog->state[i].c; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3736 if (c == NFA_START_INVISIBLE |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3737 || c == NFA_START_INVISIBLE_NEG |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3738 || c == NFA_START_INVISIBLE_BEFORE |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3739 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3740 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3741 int directly; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3742 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3743 // Do it directly when what follows is possibly the end of the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3744 // match. |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3745 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
|
3746 directly = TRUE; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3747 else |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3748 { |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3749 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
|
3750 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
|
3751 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3752 // Postpone when the invisible match is expensive or has a |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3753 // lower chance of failing. |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3754 if (c == NFA_START_INVISIBLE_BEFORE |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3755 || c == NFA_START_INVISIBLE_BEFORE_NEG) |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3756 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3757 // "before" matches are very expensive when |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3758 // unbounded, always prefer what follows then, |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3759 // unless what follows will always match. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3760 // Otherwise strongly prefer what follows. |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3761 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
|
3762 directly = FALSE; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3763 else |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3764 directly = ch_follows * 10 < ch_invisible; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3765 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3766 else |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3767 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3768 // normal invisible, first do the one with the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3769 // highest failure chance |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3770 directly = ch_follows < ch_invisible; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3771 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3772 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3773 if (directly) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3774 // switch to the _FIRST state |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3775 ++prog->state[i].c; |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3776 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3777 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3778 } |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
3779 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3780 ///////////////////////////////////////////////////////////////// |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3781 // NFA execution code. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3782 ///////////////////////////////////////////////////////////////// |
| 4444 | 3783 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3784 typedef struct |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3785 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3786 int in_use; // number of subexpr with useful info |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3787 |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3788 // 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
|
3789 union |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3790 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3791 struct multipos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3792 { |
| 6547 | 3793 linenr_T start_lnum; |
| 3794 linenr_T end_lnum; | |
| 3795 colnr_T start_col; | |
| 3796 colnr_T end_col; | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3797 } multi[NSUBEXP]; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3798 struct linepos |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3799 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3800 char_u *start; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3801 char_u *end; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3802 } line[NSUBEXP]; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
3803 } list; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3804 } regsub_T; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
3805 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3806 typedef struct |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3807 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3808 regsub_T norm; // \( .. \) matches |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3809 #ifdef FEAT_SYN_HL |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3810 regsub_T synt; // \z( .. \) matches |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3811 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3812 } regsubs_T; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3813 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3814 // nfa_pim_T stores a Postponed Invisible Match. |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3815 typedef struct nfa_pim_S nfa_pim_T; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3816 struct nfa_pim_S |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3817 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3818 int result; // NFA_PIM_*, see below |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3819 nfa_state_T *state; // the invisible match start state |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3820 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
|
3821 union |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3822 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3823 lpos_T pos; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3824 char_u *ptr; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3825 } end; // where the match must end |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3826 }; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
3827 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3828 // Values for done in nfa_pim_T. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3829 #define NFA_PIM_UNUSED 0 // pim not used |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3830 #define NFA_PIM_TODO 1 // pim not done yet |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3831 #define NFA_PIM_MATCH 2 // pim executed, matches |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3832 #define NFA_PIM_NOMATCH 3 // pim executed, no match |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3833 |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3834 |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3835 // 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
|
3836 typedef struct |
| 4444 | 3837 { |
| 3838 nfa_state_T *state; | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3839 int count; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3840 nfa_pim_T pim; // if pim.result != NFA_PIM_UNUSED: postponed |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3841 // invisible match |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3842 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
|
3843 } nfa_thread_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3844 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3845 // nfa_list_T contains the alternative NFA execution states. |
| 4444 | 3846 typedef struct |
| 3847 { | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3848 nfa_thread_T *t; // allocated array of states |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3849 int n; // nr of states currently in "t" |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3850 int len; // max nr of states in "t" |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3851 int id; // ID of the list |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3852 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
|
3853 } nfa_list_T; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
3854 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3855 #ifdef ENABLE_LOG |
|
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
3856 static void log_subexpr(regsub_T *sub); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3857 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3858 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3859 log_subsexpr(regsubs_T *subs) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3860 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3861 log_subexpr(&subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3862 # ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3863 if (rex.nfa_has_zsubexpr) |
|
4770
b20dbf3a5370
updated for version 7.3.1132
Bram Moolenaar <bram@vim.org>
parents:
4768
diff
changeset
|
3864 log_subexpr(&subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3865 # endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3866 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3867 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3868 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3869 log_subexpr(regsub_T *sub) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3870 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3871 int j; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3872 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3873 for (j = 0; j < sub->in_use; j++) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3874 if (REG_MULTI) |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3875 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
|
3876 j, |
| 6547 | 3877 sub->list.multi[j].start_col, |
| 3878 (int)sub->list.multi[j].start_lnum, | |
| 3879 sub->list.multi[j].end_col, | |
| 3880 (int)sub->list.multi[j].end_lnum); | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3881 else |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3882 { |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3883 char *s = (char *)sub->list.line[j].start; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3884 char *e = (char *)sub->list.line[j].end; |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3885 |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
3886 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
|
3887 j, |
|
4746
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3888 s == NULL ? "NULL" : s, |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3889 e == NULL ? "NULL" : e); |
|
d1376091d18b
updated for version 7.3.1120
Bram Moolenaar <bram@vim.org>
parents:
4744
diff
changeset
|
3890 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3891 } |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3892 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3893 static char * |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3894 pim_info(nfa_pim_T *pim) |
|
4813
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 static char buf[30]; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3897 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3898 if (pim == NULL || pim->result == NFA_PIM_UNUSED) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3899 buf[0] = NUL; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3900 else |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3901 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3902 sprintf(buf, " PIM col %d", REG_MULTI ? (int)pim->end.pos.col |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3903 : (int)(pim->end.ptr - rex.input)); |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3904 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3905 return buf; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3906 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3907 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3908 #endif |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
3909 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3910 // Used during execution: whether a match has been found. |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
3911 static int nfa_match; |
| 6573 | 3912 #ifdef FEAT_RELTIME |
| 3913 static proftime_T *nfa_time_limit; | |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
3914 static int *nfa_timed_out; |
|
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
3915 static int nfa_time_count; |
| 6573 | 3916 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
3917 |
|
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
3918 static void copy_sub(regsub_T *to, regsub_T *from); |
|
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
3919 static int pim_equal(nfa_pim_T *one, nfa_pim_T *two); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3920 |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3921 /* |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3922 * 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
|
3923 */ |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3924 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3925 copy_pim(nfa_pim_T *to, nfa_pim_T *from) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3926 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3927 to->result = from->result; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3928 to->state = from->state; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3929 copy_sub(&to->subs.norm, &from->subs.norm); |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3930 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3931 if (rex.nfa_has_zsubexpr) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3932 copy_sub(&to->subs.synt, &from->subs.synt); |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3933 #endif |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3934 to->end = from->end; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3935 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
3936 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3937 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3938 clear_sub(regsub_T *sub) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3939 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3940 if (REG_MULTI) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3941 // Use 0xff to set lnum to -1 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3942 vim_memset(sub->list.multi, 0xff, |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3943 sizeof(struct multipos) * rex.nfa_nsubexpr); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3944 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3945 vim_memset(sub->list.line, 0, |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3946 sizeof(struct linepos) * rex.nfa_nsubexpr); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3947 sub->in_use = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3948 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3949 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3950 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3951 * Copy the submatches from "from" to "to". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3952 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3953 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3954 copy_sub(regsub_T *to, regsub_T *from) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3955 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3956 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3957 if (from->in_use > 0) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3958 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3959 // Copy the match start and end positions. |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3960 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3961 mch_memmove(&to->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3962 &from->list.multi[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3963 sizeof(struct multipos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3964 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3965 mch_memmove(&to->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3966 &from->list.line[0], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3967 sizeof(struct linepos) * from->in_use); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3968 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3969 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3970 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3971 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3972 * Like copy_sub() but exclude the main match. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3973 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3974 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3975 copy_sub_off(regsub_T *to, regsub_T *from) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3976 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3977 if (to->in_use < from->in_use) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3978 to->in_use = from->in_use; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3979 if (from->in_use > 1) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3980 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
3981 // Copy the match start and end positions. |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3982 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3983 mch_memmove(&to->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3984 &from->list.multi[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3985 sizeof(struct multipos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3986 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3987 mch_memmove(&to->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3988 &from->list.line[1], |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3989 sizeof(struct linepos) * (from->in_use - 1)); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3990 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
3991 } |
| 4444 | 3992 |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
3993 /* |
| 5372 | 3994 * Like copy_sub() but only do the end of the main match if \ze is present. |
| 3995 */ | |
| 3996 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3997 copy_ze_off(regsub_T *to, regsub_T *from) |
| 5372 | 3998 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
3999 if (rex.nfa_has_zend) |
| 5372 | 4000 { |
| 4001 if (REG_MULTI) | |
| 4002 { | |
| 6547 | 4003 if (from->list.multi[0].end_lnum >= 0) |
|
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
4004 { |
| 6547 | 4005 to->list.multi[0].end_lnum = from->list.multi[0].end_lnum; |
| 4006 to->list.multi[0].end_col = from->list.multi[0].end_col; | |
|
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
4007 } |
| 5372 | 4008 } |
| 4009 else | |
| 4010 { | |
| 4011 if (from->list.line[0].end != NULL) | |
| 4012 to->list.line[0].end = from->list.line[0].end; | |
| 4013 } | |
| 4014 } | |
| 4015 } | |
| 4016 | |
| 4017 /* | |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4018 * Return TRUE if "sub1" and "sub2" have the same start positions. |
| 5893 | 4019 * 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
|
4020 */ |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4021 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4022 sub_equal(regsub_T *sub1, regsub_T *sub2) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4023 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4024 int i; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4025 int todo; |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4026 linenr_T s1; |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4027 linenr_T s2; |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4028 char_u *sp1; |
|
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4029 char_u *sp2; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4030 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4031 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
|
4032 if (REG_MULTI) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4033 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4034 for (i = 0; i < todo; ++i) |
|
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 if (i < sub1->in_use) |
| 6547 | 4037 s1 = sub1->list.multi[i].start_lnum; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4038 else |
|
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4039 s1 = -1; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4040 if (i < sub2->in_use) |
| 6547 | 4041 s2 = sub2->list.multi[i].start_lnum; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4042 else |
|
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4043 s2 = -1; |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4044 if (s1 != s2) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4045 return FALSE; |
| 6547 | 4046 if (s1 != -1 && sub1->list.multi[i].start_col |
| 4047 != sub2->list.multi[i].start_col) | |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4048 return FALSE; |
| 5893 | 4049 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4050 if (rex.nfa_has_backref) |
| 5893 | 4051 { |
| 4052 if (i < sub1->in_use) | |
| 6547 | 4053 s1 = sub1->list.multi[i].end_lnum; |
| 5893 | 4054 else |
| 4055 s1 = -1; | |
| 4056 if (i < sub2->in_use) | |
| 6547 | 4057 s2 = sub2->list.multi[i].end_lnum; |
| 5893 | 4058 else |
| 4059 s2 = -1; | |
| 4060 if (s1 != s2) | |
| 4061 return FALSE; | |
| 6547 | 4062 if (s1 != -1 && sub1->list.multi[i].end_col |
| 4063 != sub2->list.multi[i].end_col) | |
| 5893 | 4064 return FALSE; |
| 4065 } | |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4066 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4067 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4068 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4069 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4070 for (i = 0; i < todo; ++i) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4071 { |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4072 if (i < sub1->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4073 sp1 = sub1->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4074 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4075 sp1 = NULL; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4076 if (i < sub2->in_use) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4077 sp2 = sub2->list.line[i].start; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4078 else |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4079 sp2 = NULL; |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4080 if (sp1 != sp2) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4081 return FALSE; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4082 if (rex.nfa_has_backref) |
| 5893 | 4083 { |
| 4084 if (i < sub1->in_use) | |
| 4085 sp1 = sub1->list.line[i].end; | |
| 4086 else | |
| 4087 sp1 = NULL; | |
| 4088 if (i < sub2->in_use) | |
| 4089 sp2 = sub2->list.line[i].end; | |
| 4090 else | |
| 4091 sp2 = NULL; | |
| 4092 if (sp1 != sp2) | |
| 4093 return FALSE; | |
| 4094 } | |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4095 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4096 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4097 |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4098 return TRUE; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4099 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4100 |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4101 #ifdef ENABLE_LOG |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4102 static void |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4103 report_state(char *action, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4104 regsub_T *sub, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4105 nfa_state_T *state, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4106 int lid, |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4107 nfa_pim_T *pim) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4108 { |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4109 int col; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4110 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4111 if (sub->in_use <= 0) |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4112 col = -1; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4113 else if (REG_MULTI) |
| 6547 | 4114 col = sub->list.multi[0].start_col; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4115 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4116 col = (int)(sub->list.line[0].start - rex.line); |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4117 nfa_set_code(state->c); |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4118 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
|
4119 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
|
4120 pim_info(pim)); |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4121 } |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4122 #endif |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4123 |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4124 /* |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4125 * 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
|
4126 * positions as "subs". |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4127 */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4128 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4129 has_state_with_pos( |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4130 nfa_list_T *l, // runtime state list |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4131 nfa_state_T *state, // state to update |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4132 regsubs_T *subs, // pointers to subexpressions |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4133 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
|
4134 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4135 nfa_thread_T *thread; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4136 int i; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4137 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4138 for (i = 0; i < l->n; ++i) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4139 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4140 thread = &l->t[i]; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4141 if (thread->state->id == state->id |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4142 && sub_equal(&thread->subs.norm, &subs->norm) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4143 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4144 && (!rex.nfa_has_zsubexpr |
|
4893
07b9c48a30e9
updated for version 7.3.1192
Bram Moolenaar <bram@vim.org>
parents:
4891
diff
changeset
|
4145 || sub_equal(&thread->subs.synt, &subs->synt)) |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4146 #endif |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4147 && pim_equal(&thread->pim, pim)) |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4148 return TRUE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4149 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4150 return FALSE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4151 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4152 |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4153 /* |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4154 * 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
|
4155 * set. |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4156 */ |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4157 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4158 pim_equal(nfa_pim_T *one, nfa_pim_T *two) |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4159 { |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4160 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
|
4161 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
|
4162 |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4163 if (one_unused) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4164 // one is unused: equal when two is also unused |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4165 return two_unused; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4166 if (two_unused) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4167 // one is used and two is not: not equal |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4168 return FALSE; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4169 // compare the state id |
| 5298 | 4170 if (one->state->id != two->state->id) |
| 4171 return FALSE; | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4172 // compare the position |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4173 if (REG_MULTI) |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4174 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
|
4175 && one->end.pos.col == two->end.pos.col; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4176 return one->end.ptr == two->end.ptr; |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4177 } |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4178 |
|
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4179 /* |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4180 * 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
|
4181 */ |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4182 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4183 match_follows(nfa_state_T *startstate, int depth) |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4184 { |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4185 nfa_state_T *state = startstate; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4186 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4187 // avoid too much recursion |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4188 if (depth > 10) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4189 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4190 |
|
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4191 while (state != NULL) |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4192 { |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4193 switch (state->c) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4194 { |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4195 case NFA_MATCH: |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4196 case NFA_MCLOSE: |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4197 case NFA_END_INVISIBLE: |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4198 case NFA_END_INVISIBLE_NEG: |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4199 case NFA_END_PATTERN: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4200 return TRUE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4201 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4202 case NFA_SPLIT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4203 return match_follows(state->out, depth + 1) |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4204 || match_follows(state->out1, depth + 1); |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4205 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4206 case NFA_START_INVISIBLE: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4207 case NFA_START_INVISIBLE_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4208 case NFA_START_INVISIBLE_BEFORE: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4209 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4210 case NFA_START_INVISIBLE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4211 case NFA_START_INVISIBLE_NEG_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4212 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
4213 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4214 case NFA_COMPOSING: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4215 // skip ahead to next state |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4216 state = state->out1->out; |
|
5184
c6dd0c545e5c
updated for version 7.4a.018
Bram Moolenaar <bram@vim.org>
parents:
5074
diff
changeset
|
4217 continue; |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4218 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4219 case NFA_ANY: |
| 5901 | 4220 case NFA_ANY_COMPOSING: |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4221 case NFA_IDENT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4222 case NFA_SIDENT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4223 case NFA_KWORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4224 case NFA_SKWORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4225 case NFA_FNAME: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4226 case NFA_SFNAME: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4227 case NFA_PRINT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4228 case NFA_SPRINT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4229 case NFA_WHITE: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4230 case NFA_NWHITE: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4231 case NFA_DIGIT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4232 case NFA_NDIGIT: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4233 case NFA_HEX: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4234 case NFA_NHEX: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4235 case NFA_OCTAL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4236 case NFA_NOCTAL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4237 case NFA_WORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4238 case NFA_NWORD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4239 case NFA_HEAD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4240 case NFA_NHEAD: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4241 case NFA_ALPHA: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4242 case NFA_NALPHA: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4243 case NFA_LOWER: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4244 case NFA_NLOWER: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4245 case NFA_UPPER: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4246 case NFA_NUPPER: |
| 5296 | 4247 case NFA_LOWER_IC: |
| 4248 case NFA_NLOWER_IC: | |
| 4249 case NFA_UPPER_IC: | |
| 4250 case NFA_NUPPER_IC: | |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4251 case NFA_START_COLL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4252 case NFA_START_NEG_COLL: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4253 case NFA_NEWL: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4254 // state will advance input |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4255 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4256 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4257 default: |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4258 if (state->c > 0) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4259 // state will advance input |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4260 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4261 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4262 // Others: zero-width or possibly zero-width, might still find |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4263 // a match at the same position, keep looking. |
|
4809
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4264 break; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4265 } |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4266 state = state->out; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4267 } |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4268 return FALSE; |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4269 } |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4270 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4271 |
|
4d7e3df04256
updated for version 7.3.1151
Bram Moolenaar <bram@vim.org>
parents:
4807
diff
changeset
|
4272 /* |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4273 * 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
|
4274 */ |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4275 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4276 state_in_list( |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4277 nfa_list_T *l, // runtime state list |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4278 nfa_state_T *state, // state to update |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4279 regsubs_T *subs) // pointers to subexpressions |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4280 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4281 if (state->lastlist[nfa_ll_index] == l->id) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4282 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4283 if (!rex.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
|
4284 return TRUE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4285 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4286 return FALSE; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4287 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
4288 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4289 // Offset used for "off" by addstate_here(). |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4290 #define ADDSTATE_HERE_OFFSET 10 |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4291 |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4292 /* |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4293 * 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
|
4294 * Returns "subs_arg", possibly copied into temp_subs. |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4295 * Returns NULL when recursiveness is too deep. |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4296 */ |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4297 static regsubs_T * |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4298 addstate( |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4299 nfa_list_T *l, // runtime state list |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4300 nfa_state_T *state, // state to update |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4301 regsubs_T *subs_arg, // pointers to subexpressions |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4302 nfa_pim_T *pim, // postponed look-behind match |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4303 int off_arg) // byte offset, when -1 go to next line |
| 4444 | 4304 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4305 int subidx; |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4306 int off = off_arg; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4307 int add_here = FALSE; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4308 int listindex = 0; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4309 int k; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4310 int found = FALSE; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4311 nfa_thread_T *thread; |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4312 struct multipos save_multipos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4313 int save_in_use; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4314 char_u *save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4315 int i; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4316 regsub_T *sub; |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4317 regsubs_T *subs = subs_arg; |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4318 static regsubs_T temp_subs; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4319 #ifdef ENABLE_LOG |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4320 int did_print = FALSE; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4321 #endif |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4322 static int depth = 0; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4323 |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4324 // This function is called recursively. When the depth is too much we run |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4325 // out of stack and crash, limit recursiveness here. |
|
15800
483fda269100
patch 8.1.0907: CI tests on AppVeyor are failing
Bram Moolenaar <Bram@vim.org>
parents:
15796
diff
changeset
|
4326 if (++depth >= 5000 || subs == NULL) |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4327 { |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4328 --depth; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4329 return NULL; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4330 } |
| 4444 | 4331 |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4332 if (off_arg <= -ADDSTATE_HERE_OFFSET) |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4333 { |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4334 add_here = TRUE; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4335 off = 0; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4336 listindex = -(off_arg + ADDSTATE_HERE_OFFSET); |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4337 } |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4338 |
| 4444 | 4339 switch (state->c) |
| 4340 { | |
| 4341 case NFA_NCLOSE: | |
| 4342 case NFA_MCLOSE: | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4343 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4344 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4345 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4346 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4347 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4348 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4349 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4350 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4351 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4352 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4353 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4354 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4355 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4356 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4357 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4358 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4359 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4360 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4361 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4362 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4363 #endif |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4364 case NFA_MOPEN: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4365 case NFA_ZEND: |
|
4815
6419ee8098c8
updated for version 7.3.1154
Bram Moolenaar <bram@vim.org>
parents:
4813
diff
changeset
|
4366 case NFA_SPLIT: |
| 5370 | 4367 case NFA_EMPTY: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4368 // These nodes are not added themselves but their "out" and/or |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4369 // "out1" may be added below. |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4370 break; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4371 |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4372 case NFA_BOL: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4373 case NFA_BOF: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4374 // "^" won't match past end-of-line, don't bother trying. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4375 // Except when at the end of the line, or when we are going to the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4376 // next line for a look-behind match. |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4377 if (rex.input > rex.line |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4378 && *rex.input != NUL |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4379 && (nfa_endp == NULL |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4380 || !REG_MULTI |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4381 || rex.lnum == nfa_endp->se_u.pos.lnum)) |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4382 goto skip_add; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4383 // FALLTHROUGH |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4384 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4385 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4386 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4387 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4388 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4389 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4390 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4391 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4392 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4393 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4394 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4395 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4396 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4397 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4398 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4399 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4400 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4401 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4402 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4403 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4404 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4405 #endif |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
4406 case NFA_NOPEN: |
|
4748
4b9503f0c7d3
updated for version 7.3.1121
Bram Moolenaar <bram@vim.org>
parents:
4746
diff
changeset
|
4407 case NFA_ZSTART: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4408 // These nodes need to be added so that we can bail out when it |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4409 // was added to this list before at the same position to avoid an |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4410 // endless loop for "\(\)*" |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
4411 |
| 4444 | 4412 default: |
| 5502 | 4413 if (state->lastlist[nfa_ll_index] == l->id && state->c != NFA_SKIP) |
| 4444 | 4414 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4415 // This state is already in the list, don't add it again, |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4416 // unless it is an MOPEN that is used for a backreference or |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4417 // when there is a PIM. For NFA_MATCH check the position, |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4418 // lower position is preferred. |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4419 if (!rex.nfa_has_backref && pim == NULL && !l->has_pim |
| 5895 | 4420 && state->c != NFA_MATCH) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4421 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4422 // When called from addstate_here() do insert before |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4423 // existing states. |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4424 if (add_here) |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4425 { |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4426 for (k = 0; k < l->n && k < listindex; ++k) |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4427 if (l->t[k].state->id == state->id) |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4428 { |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4429 found = TRUE; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4430 break; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4431 } |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4432 } |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4433 if (!add_here || found) |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4434 { |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4435 skip_add: |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4436 #ifdef ENABLE_LOG |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4437 nfa_set_code(state->c); |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4438 fprintf(log_fd, "> Not adding state %d to list %d. char %d: %s pim: %s has_pim: %d found: %d\n", |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4439 abs(state->id), l->id, state->c, code, |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4440 pim == NULL ? "NULL" : "yes", l->has_pim, found); |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4441 #endif |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4442 --depth; |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4443 return subs; |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4444 } |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4445 } |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4446 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4447 // Do not add the state again when it exists with the same |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4448 // positions. |
|
5212
2741b46e96bf
updated for version 7.4a.032
Bram Moolenaar <bram@vim.org>
parents:
5210
diff
changeset
|
4449 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
|
4450 goto skip_add; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4451 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4452 |
|
15812
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4453 // When there are backreferences or PIMs the number of states may |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4454 // be (a lot) bigger than anticipated. |
|
5006
f451d60ab8ec
updated for version 7.3.1247
Bram Moolenaar <bram@vim.org>
parents:
4997
diff
changeset
|
4455 if (l->n == l->len) |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4456 { |
|
15806
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4457 int newlen = l->len * 3 / 2 + 50; |
|
15812
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4458 size_t newsize = newlen * sizeof(nfa_thread_T); |
|
15806
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4459 nfa_thread_T *newt; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4460 |
|
15812
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4461 if ((long)(newsize >> 10) >= p_mmp) |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4462 { |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4463 emsg(_(e_maxmempat)); |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4464 --depth; |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4465 return NULL; |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4466 } |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4467 if (subs != &temp_subs) |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4468 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4469 // "subs" may point into the current array, need to make a |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4470 // copy before it becomes invalid. |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4471 copy_sub(&temp_subs.norm, &subs->norm); |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4472 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4473 if (rex.nfa_has_zsubexpr) |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4474 copy_sub(&temp_subs.synt, &subs->synt); |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4475 #endif |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4476 subs = &temp_subs; |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4477 } |
|
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4478 |
|
15812
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4479 newt = vim_realloc(l->t, newsize); |
|
15806
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4480 if (newt == NULL) |
|
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4481 { |
|
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4482 // out of memory |
|
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4483 --depth; |
|
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4484 return NULL; |
|
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4485 } |
|
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4486 l->t = newt; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4487 l->len = newlen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4488 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4489 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4490 // add the state to the list |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
4491 state->lastlist[nfa_ll_index] = l->id; |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4492 thread = &l->t[l->n++]; |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4493 thread->state = state; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4494 if (pim == NULL) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4495 thread->pim.result = NFA_PIM_UNUSED; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4496 else |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4497 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4498 copy_pim(&thread->pim, pim); |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4499 l->has_pim = TRUE; |
|
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
4500 } |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4501 copy_sub(&thread->subs.norm, &subs->norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4502 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4503 if (rex.nfa_has_zsubexpr) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
4504 copy_sub(&thread->subs.synt, &subs->synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4505 #endif |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4506 #ifdef ENABLE_LOG |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4507 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
|
4508 did_print = TRUE; |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4509 #endif |
| 4444 | 4510 } |
| 4511 | |
| 4512 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
4513 if (!did_print) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
4514 report_state("Processing", &subs->norm, state, l->id, pim); |
| 4444 | 4515 #endif |
| 4516 switch (state->c) | |
| 4517 { | |
| 4518 case NFA_MATCH: | |
| 4519 break; | |
| 4520 | |
| 4521 case NFA_SPLIT: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4522 // order matters here |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4523 subs = addstate(l, state->out, subs, pim, off_arg); |
|
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4524 subs = addstate(l, state->out1, subs, pim, off_arg); |
| 4444 | 4525 break; |
| 4526 | |
| 5370 | 4527 case NFA_EMPTY: |
| 4444 | 4528 case NFA_NOPEN: |
| 4529 case NFA_NCLOSE: | |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4530 subs = addstate(l, state->out, subs, pim, off_arg); |
| 4444 | 4531 break; |
| 4532 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4533 case NFA_MOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4534 case NFA_MOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4535 case NFA_MOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4536 case NFA_MOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4537 case NFA_MOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4538 case NFA_MOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4539 case NFA_MOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4540 case NFA_MOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4541 case NFA_MOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4542 case NFA_MOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4543 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4544 case NFA_ZOPEN: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4545 case NFA_ZOPEN1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4546 case NFA_ZOPEN2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4547 case NFA_ZOPEN3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4548 case NFA_ZOPEN4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4549 case NFA_ZOPEN5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4550 case NFA_ZOPEN6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4551 case NFA_ZOPEN7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4552 case NFA_ZOPEN8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4553 case NFA_ZOPEN9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4554 #endif |
| 4444 | 4555 case NFA_ZSTART: |
| 4556 if (state->c == NFA_ZSTART) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4557 { |
| 4444 | 4558 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4559 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4560 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4561 #ifdef FEAT_SYN_HL |
| 5300 | 4562 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
|
4563 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4564 subidx = state->c - NFA_ZOPEN; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4565 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4566 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4567 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4568 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4569 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4570 subidx = state->c - NFA_MOPEN; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4571 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4572 } |
| 4444 | 4573 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4574 // avoid compiler warnings |
|
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4575 save_ptr = NULL; |
|
20007
aadd1cae2ff5
patch 8.2.0559: clearing a struct is verbose
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
4576 CLEAR_FIELD(save_multipos); |
|
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4577 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4578 // Set the position (with "off" added) in the subexpression. Save |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4579 // and restore it when it was in use. Otherwise fill any gap. |
| 4444 | 4580 if (REG_MULTI) |
| 4581 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4582 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4583 { |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4584 save_multipos = sub->list.multi[subidx]; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4585 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4586 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4587 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4588 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4589 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4590 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
|
4591 { |
| 6547 | 4592 sub->list.multi[i].start_lnum = -1; |
| 4593 sub->list.multi[i].end_lnum = -1; | |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4594 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4595 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4596 } |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4597 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4598 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4599 sub->list.multi[subidx].start_lnum = rex.lnum + 1; |
| 6547 | 4600 sub->list.multi[subidx].start_col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4601 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4602 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4603 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4604 sub->list.multi[subidx].start_lnum = rex.lnum; |
| 6547 | 4605 sub->list.multi[subidx].start_col = |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4606 (colnr_T)(rex.input - rex.line + off); |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4607 } |
|
7152
cbdc02d71a18
commit https://github.com/vim/vim/commit/c2b717ebd6719e722dcb5f10e4c74033a53ff7c7
Christian Brabandt <cb@256bit.org>
parents:
6914
diff
changeset
|
4608 sub->list.multi[subidx].end_lnum = -1; |
| 4444 | 4609 } |
| 4610 else | |
| 4611 { | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4612 if (subidx < sub->in_use) |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4613 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4614 save_ptr = sub->list.line[subidx].start; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4615 save_in_use = -1; |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4616 } |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4617 else |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4618 { |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4619 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4620 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
|
4621 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4622 sub->list.line[i].start = NULL; |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4623 sub->list.line[i].end = NULL; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4624 } |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4625 sub->in_use = subidx + 1; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4626 } |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4627 sub->list.line[subidx].start = rex.input + off; |
| 4444 | 4628 } |
| 4629 | |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4630 subs = addstate(l, state->out, subs, pim, off_arg); |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4631 if (subs == NULL) |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4632 break; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4633 // "subs" may have changed, need to set "sub" again |
| 5300 | 4634 #ifdef FEAT_SYN_HL |
| 4635 if (state->c >= NFA_ZOPEN && state->c <= NFA_ZOPEN9) | |
| 4636 sub = &subs->synt; | |
| 4637 else | |
| 4638 #endif | |
| 4639 sub = &subs->norm; | |
| 4444 | 4640 |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4641 if (save_in_use == -1) |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4642 { |
|
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4643 if (REG_MULTI) |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4644 sub->list.multi[subidx] = save_multipos; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4645 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4646 sub->list.line[subidx].start = save_ptr; |
|
4563
e7016af0cbf9
updated for version 7.3.1029
Bram Moolenaar <bram@vim.org>
parents:
4561
diff
changeset
|
4647 } |
| 4444 | 4648 else |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4649 sub->in_use = save_in_use; |
| 4444 | 4650 break; |
| 4651 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4652 case NFA_MCLOSE: |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4653 if (rex.nfa_has_zend && (REG_MULTI |
| 6547 | 4654 ? subs->norm.list.multi[0].end_lnum >= 0 |
| 5336 | 4655 : subs->norm.list.line[0].end != NULL)) |
| 4444 | 4656 { |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4657 // Do not overwrite the position set by \ze. |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4658 subs = addstate(l, state->out, subs, pim, off_arg); |
| 4444 | 4659 break; |
| 4660 } | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4661 // FALLTHROUGH |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4662 case NFA_MCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4663 case NFA_MCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4664 case NFA_MCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4665 case NFA_MCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4666 case NFA_MCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4667 case NFA_MCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4668 case NFA_MCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4669 case NFA_MCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4670 case NFA_MCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4671 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4672 case NFA_ZCLOSE: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4673 case NFA_ZCLOSE1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4674 case NFA_ZCLOSE2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4675 case NFA_ZCLOSE3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4676 case NFA_ZCLOSE4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4677 case NFA_ZCLOSE5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4678 case NFA_ZCLOSE6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4679 case NFA_ZCLOSE7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4680 case NFA_ZCLOSE8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4681 case NFA_ZCLOSE9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4682 #endif |
| 4444 | 4683 case NFA_ZEND: |
| 4684 if (state->c == NFA_ZEND) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4685 { |
| 4444 | 4686 subidx = 0; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4687 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4688 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4689 #ifdef FEAT_SYN_HL |
| 5300 | 4690 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
|
4691 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4692 subidx = state->c - NFA_ZCLOSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4693 sub = &subs->synt; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4694 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4695 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4696 else |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4697 { |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
4698 subidx = state->c - NFA_MCLOSE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4699 sub = &subs->norm; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4700 } |
| 4444 | 4701 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4702 // We don't fill in gaps here, there must have been an MOPEN that |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4703 // has done that. |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4704 save_in_use = sub->in_use; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4705 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4706 sub->in_use = subidx + 1; |
| 4444 | 4707 if (REG_MULTI) |
| 4708 { | |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4709 save_multipos = sub->list.multi[subidx]; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4710 if (off == -1) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4711 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4712 sub->list.multi[subidx].end_lnum = rex.lnum + 1; |
| 6547 | 4713 sub->list.multi[subidx].end_col = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4714 } |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4715 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4716 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4717 sub->list.multi[subidx].end_lnum = rex.lnum; |
| 6547 | 4718 sub->list.multi[subidx].end_col = |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4719 (colnr_T)(rex.input - rex.line + off); |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
4720 } |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4721 // avoid compiler warnings |
|
5210
839ebe7c1b2f
updated for version 7.4a.031
Bram Moolenaar <bram@vim.org>
parents:
5188
diff
changeset
|
4722 save_ptr = NULL; |
| 4444 | 4723 } |
| 4724 else | |
| 4725 { | |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4726 save_ptr = sub->list.line[subidx].end; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4727 sub->list.line[subidx].end = rex.input + off; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4728 // avoid compiler warnings |
|
20007
aadd1cae2ff5
patch 8.2.0559: clearing a struct is verbose
Bram Moolenaar <Bram@vim.org>
parents:
19405
diff
changeset
|
4729 CLEAR_FIELD(save_multipos); |
| 4444 | 4730 } |
| 4731 | |
|
10170
4acacf4081ce
commit https://github.com/vim/vim/commit/16b3578f355282846f2600ce77fb344950f0b9ce
Christian Brabandt <cb@256bit.org>
parents:
10168
diff
changeset
|
4732 subs = addstate(l, state->out, subs, pim, off_arg); |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4733 if (subs == NULL) |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4734 break; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4735 // "subs" may have changed, need to set "sub" again |
| 5300 | 4736 #ifdef FEAT_SYN_HL |
| 4737 if (state->c >= NFA_ZCLOSE && state->c <= NFA_ZCLOSE9) | |
| 4738 sub = &subs->synt; | |
| 4739 else | |
| 4740 #endif | |
| 4741 sub = &subs->norm; | |
| 4444 | 4742 |
| 4743 if (REG_MULTI) | |
|
10168
3c37899baa8d
commit https://github.com/vim/vim/commit/d563883a1fb5ec6cf4a2758c5e36ac1ff4e9bb3d
Christian Brabandt <cb@256bit.org>
parents:
10042
diff
changeset
|
4744 sub->list.multi[subidx] = save_multipos; |
| 4444 | 4745 else |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4746 sub->list.line[subidx].end = save_ptr; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4747 sub->in_use = save_in_use; |
| 4444 | 4748 break; |
| 4749 } | |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4750 --depth; |
|
5074
1cacf785299e
updated for version 7.3.1280
Bram Moolenaar <bram@vim.org>
parents:
5058
diff
changeset
|
4751 return subs; |
| 4444 | 4752 } |
| 4753 | |
| 4754 /* | |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4755 * 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
|
4756 * 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
|
4757 * 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
|
4758 * matters for alternatives. |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4759 */ |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4760 static regsubs_T * |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4761 addstate_here( |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4762 nfa_list_T *l, // runtime state list |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4763 nfa_state_T *state, // state to update |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4764 regsubs_T *subs, // pointers to subexpressions |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4765 nfa_pim_T *pim, // postponed look-behind match |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4766 int *ip) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4767 { |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4768 int tlen = l->n; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4769 int count; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4770 int listidx = *ip; |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4771 regsubs_T *r; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4772 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4773 // First add the state(s) at the end, so that we know how many there are. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4774 // Pass the listidx as offset (avoids adding another argument to |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4775 // addstate(). |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4776 r = addstate(l, state, subs, pim, -listidx - ADDSTATE_HERE_OFFSET); |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4777 if (r == NULL) |
|
15806
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4778 return NULL; |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4779 |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4780 // 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
|
4781 if (listidx + 1 == tlen) |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4782 return r; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4783 |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4784 // re-order to put the new state at the current position |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4785 count = l->n - tlen; |
|
4924
6ae32a64e153
updated for version 7.3.1207
Bram Moolenaar <bram@vim.org>
parents:
4897
diff
changeset
|
4786 if (count == 0) |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4787 return r; // no state got added |
|
4647
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4788 if (count == 1) |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4789 { |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4790 // overwrite the current state |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4791 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
|
4792 } |
|
857f6c53f117
updated for version 7.3.1071
Bram Moolenaar <bram@vim.org>
parents:
4615
diff
changeset
|
4793 else if (count > 1) |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4794 { |
|
5058
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4795 if (l->n + count - 1 >= l->len) |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4796 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4797 // not enough space to move the new states, reallocate the list |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4798 // and move the states to the right position |
|
15806
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4799 int newlen = l->len * 3 / 2 + 50; |
|
15812
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4800 size_t newsize = newlen * sizeof(nfa_thread_T); |
|
15806
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4801 nfa_thread_T *newl; |
|
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4802 |
|
15812
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4803 if ((long)(newsize >> 10) >= p_mmp) |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4804 { |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4805 emsg(_(e_maxmempat)); |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4806 return NULL; |
|
3808b583889e
patch 8.1.0913: CI crashes when running out of memory
Bram Moolenaar <Bram@vim.org>
parents:
15806
diff
changeset
|
4807 } |
|
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16782
diff
changeset
|
4808 newl = alloc(newsize); |
|
5058
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4809 if (newl == NULL) |
|
15806
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4810 return NULL; |
|
6a4e9d9f1d66
patch 8.1.0910: crash with tricky search pattern
Bram Moolenaar <Bram@vim.org>
parents:
15802
diff
changeset
|
4811 l->len = newlen; |
|
5058
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4812 mch_memmove(&(newl[0]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4813 &(l->t[0]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4814 sizeof(nfa_thread_T) * listidx); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4815 mch_memmove(&(newl[listidx]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4816 &(l->t[l->n - count]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4817 sizeof(nfa_thread_T) * count); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4818 mch_memmove(&(newl[listidx + count]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4819 &(l->t[listidx + 1]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4820 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
|
4821 vim_free(l->t); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4822 l->t = newl; |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4823 } |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4824 else |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4825 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4826 // make space for new states, then move them from the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4827 // end to the current position |
|
5058
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4828 mch_memmove(&(l->t[listidx + count]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4829 &(l->t[listidx + 1]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4830 sizeof(nfa_thread_T) * (l->n - listidx - 1)); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4831 mch_memmove(&(l->t[listidx]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4832 &(l->t[l->n - 1]), |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4833 sizeof(nfa_thread_T) * count); |
|
a00cd1839ac4
updated for version 7.3.1272
Bram Moolenaar <bram@vim.org>
parents:
5029
diff
changeset
|
4834 } |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4835 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4836 --l->n; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
4837 *ip = listidx - 1; |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4838 |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
4839 return r; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4840 } |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4841 |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
4842 /* |
| 4444 | 4843 * Check character class "class" against current character c. |
| 4844 */ | |
| 4845 static int | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4846 check_char_class(int class, int c) |
| 4444 | 4847 { |
| 4848 switch (class) | |
| 4849 { | |
| 4850 case NFA_CLASS_ALNUM: | |
|
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4851 if (c >= 1 && c < 128 && isalnum(c)) |
| 4444 | 4852 return OK; |
| 4853 break; | |
| 4854 case NFA_CLASS_ALPHA: | |
|
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4855 if (c >= 1 && c < 128 && isalpha(c)) |
| 4444 | 4856 return OK; |
| 4857 break; | |
| 4858 case NFA_CLASS_BLANK: | |
| 4859 if (c == ' ' || c == '\t') | |
| 4860 return OK; | |
| 4861 break; | |
| 4862 case NFA_CLASS_CNTRL: | |
|
11267
588de97b40e7
patch 8.0.0519: character classes are not well tested
Christian Brabandt <cb@256bit.org>
parents:
11129
diff
changeset
|
4863 if (c >= 1 && c <= 127 && iscntrl(c)) |
| 4444 | 4864 return OK; |
| 4865 break; | |
| 4866 case NFA_CLASS_DIGIT: | |
| 4867 if (VIM_ISDIGIT(c)) | |
| 4868 return OK; | |
| 4869 break; | |
| 4870 case NFA_CLASS_GRAPH: | |
|
11267
588de97b40e7
patch 8.0.0519: character classes are not well tested
Christian Brabandt <cb@256bit.org>
parents:
11129
diff
changeset
|
4871 if (c >= 1 && c <= 127 && isgraph(c)) |
| 4444 | 4872 return OK; |
| 4873 break; | |
| 4874 case NFA_CLASS_LOWER: | |
|
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4875 if (MB_ISLOWER(c) && c != 170 && c != 186) |
| 4444 | 4876 return OK; |
| 4877 break; | |
| 4878 case NFA_CLASS_PRINT: | |
| 4879 if (vim_isprintc(c)) | |
| 4880 return OK; | |
| 4881 break; | |
| 4882 case NFA_CLASS_PUNCT: | |
|
9015
42b228c8701b
commit https://github.com/vim/vim/commit/e8aee7dcf9b12becff86e8ce1783a86801c5f9f6
Christian Brabandt <cb@256bit.org>
parents:
8989
diff
changeset
|
4883 if (c >= 1 && c < 128 && ispunct(c)) |
| 4444 | 4884 return OK; |
| 4885 break; | |
| 4886 case NFA_CLASS_SPACE: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
4887 if ((c >= 9 && c <= 13) || (c == ' ')) |
| 4444 | 4888 return OK; |
| 4889 break; | |
| 4890 case NFA_CLASS_UPPER: | |
| 4891 if (MB_ISUPPER(c)) | |
| 4892 return OK; | |
| 4893 break; | |
| 4894 case NFA_CLASS_XDIGIT: | |
| 4895 if (vim_isxdigit(c)) | |
| 4896 return OK; | |
| 4897 break; | |
| 4898 case NFA_CLASS_TAB: | |
| 4899 if (c == '\t') | |
| 4900 return OK; | |
| 4901 break; | |
| 4902 case NFA_CLASS_RETURN: | |
| 4903 if (c == '\r') | |
| 4904 return OK; | |
| 4905 break; | |
| 4906 case NFA_CLASS_BACKSPACE: | |
| 4907 if (c == '\b') | |
| 4908 return OK; | |
| 4909 break; | |
| 4910 case NFA_CLASS_ESCAPE: | |
| 4911 if (c == '\033') | |
| 4912 return OK; | |
| 4913 break; | |
|
15709
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4914 case NFA_CLASS_IDENT: |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4915 if (vim_isIDc(c)) |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4916 return OK; |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4917 break; |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4918 case NFA_CLASS_KEYWORD: |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4919 if (reg_iswordc(c)) |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4920 return OK; |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4921 break; |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4922 case NFA_CLASS_FNAME: |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4923 if (vim_isfilec(c)) |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4924 return OK; |
|
2e2f07561f4b
patch 8.1.0862: no verbose version of character classes
Bram Moolenaar <Bram@vim.org>
parents:
15603
diff
changeset
|
4925 break; |
| 4444 | 4926 |
| 4927 default: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4928 // should not be here :P |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
4929 siemsg(_(e_ill_char_class), class); |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
4930 return FAIL; |
| 4444 | 4931 } |
| 4932 return FAIL; | |
| 4933 } | |
| 4934 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4935 /* |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4936 * Check for a match with subexpression "subidx". |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4937 * Return TRUE if it matches. |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4938 */ |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4939 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4940 match_backref( |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4941 regsub_T *sub, // pointers to subexpressions |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
4942 int subidx, |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4943 int *bytelen) // out: length of match in bytes |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4944 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4945 int len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4946 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4947 if (sub->in_use <= subidx) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4948 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4949 retempty: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
4950 // backref was not set, match an empty string |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4951 *bytelen = 0; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4952 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4953 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4954 |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4955 if (REG_MULTI) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4956 { |
| 6547 | 4957 if (sub->list.multi[subidx].start_lnum < 0 |
| 4958 || sub->list.multi[subidx].end_lnum < 0) | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4959 goto retempty; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4960 if (sub->list.multi[subidx].start_lnum == rex.lnum |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4961 && sub->list.multi[subidx].end_lnum == rex.lnum) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4962 { |
| 6547 | 4963 len = sub->list.multi[subidx].end_col |
| 4964 - sub->list.multi[subidx].start_col; | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4965 if (cstrncmp(rex.line + sub->list.multi[subidx].start_col, |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4966 rex.input, &len) == 0) |
|
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4967 { |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4968 *bytelen = len; |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4969 return TRUE; |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4970 } |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4971 } |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4972 else |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4973 { |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4974 if (match_with_backref( |
| 6547 | 4975 sub->list.multi[subidx].start_lnum, |
| 4976 sub->list.multi[subidx].start_col, | |
| 4977 sub->list.multi[subidx].end_lnum, | |
| 4978 sub->list.multi[subidx].end_col, | |
|
4891
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4979 bytelen) == RA_MATCH) |
|
4c42efb4c098
updated for version 7.3.1191
Bram Moolenaar <bram@vim.org>
parents:
4887
diff
changeset
|
4980 return TRUE; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4981 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4982 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4983 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4984 { |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4985 if (sub->list.line[subidx].start == NULL |
|
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4986 || sub->list.line[subidx].end == NULL) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4987 goto retempty; |
|
4577
b22bff1a6af8
updated for version 7.3.1036
Bram Moolenaar <bram@vim.org>
parents:
4573
diff
changeset
|
4988 len = (int)(sub->list.line[subidx].end - sub->list.line[subidx].start); |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
4989 if (cstrncmp(sub->list.line[subidx].start, rex.input, &len) == 0) |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4990 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4991 *bytelen = len; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4992 return TRUE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4993 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4994 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4995 return FALSE; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4996 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
4997 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4998 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
4999 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5000 /* |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5001 * Check for a match with \z subexpression "subidx". |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5002 * Return TRUE if it matches. |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5003 */ |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5004 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5005 match_zref( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5006 int subidx, |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5007 int *bytelen) // out: length of match in bytes |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5008 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5009 int len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5010 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5011 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5012 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
|
5013 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5014 // backref was not set, match an empty string |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5015 *bytelen = 0; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5016 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5017 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5018 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5019 len = (int)STRLEN(re_extmatch_in->matches[subidx]); |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5020 if (cstrncmp(re_extmatch_in->matches[subidx], rex.input, &len) == 0) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5021 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5022 *bytelen = len; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5023 return TRUE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5024 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5025 return FALSE; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5026 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5027 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5028 |
| 4444 | 5029 /* |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5030 * 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
|
5031 * Also reset the IDs to zero. |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5032 * Only used for the recursive value lastlist[1]. |
| 4444 | 5033 */ |
| 5034 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5035 nfa_save_listids(nfa_regprog_T *prog, int *list) |
| 4444 | 5036 { |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5037 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5038 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5039 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5040 // Order in the list is reverse, it's a bit faster that way. |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5041 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5042 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 5043 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5044 list[i] = p->lastlist[1]; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5045 p->lastlist[1] = 0; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5046 ++p; |
| 4444 | 5047 } |
| 5048 } | |
| 5049 | |
| 5050 /* | |
| 5051 * Restore list IDs from "list" to all NFA states. | |
| 5052 */ | |
| 5053 static void | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5054 nfa_restore_listids(nfa_regprog_T *prog, int *list) |
| 4444 | 5055 { |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5056 int i; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5057 nfa_state_T *p; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5058 |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5059 p = &prog->state[0]; |
|
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5060 for (i = prog->nstate; --i >= 0; ) |
| 4444 | 5061 { |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5062 p->lastlist[1] = list[i]; |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5063 ++p; |
| 4444 | 5064 } |
| 5065 } | |
| 5066 | |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5067 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5068 nfa_re_num_cmp(long_u val, int op, long_u pos) |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5069 { |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5070 if (op == 1) return pos > val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5071 if (op == 2) return pos < val; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5072 return val == pos; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5073 } |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
5074 |
|
7805
0b6c37dd858d
commit https://github.com/vim/vim/commit/baaa7e9ec7398a813e21285c272fa99792642077
Christian Brabandt <cb@256bit.org>
parents:
7258
diff
changeset
|
5075 static int nfa_regmatch(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
|
5076 |
| 4444 | 5077 /* |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5078 * Recursively call nfa_regmatch() |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5079 * "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
|
5080 * position). |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5081 */ |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5082 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5083 recursive_regmatch( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5084 nfa_state_T *state, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5085 nfa_pim_T *pim, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5086 nfa_regprog_T *prog, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5087 regsubs_T *submatch, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5088 regsubs_T *m, |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5089 int **listids, |
|
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5090 int *listids_len) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5091 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5092 int save_reginput_col = (int)(rex.input - rex.line); |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5093 int save_reglnum = rex.lnum; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5094 int save_nfa_match = nfa_match; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5095 int save_nfa_listid = rex.nfa_listid; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5096 save_se_T *save_nfa_endp = nfa_endp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5097 save_se_T endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5098 save_se_T *endposp = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5099 int result; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5100 int need_restore = FALSE; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5101 |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5102 if (pim != NULL) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5103 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5104 // start at the position where the postponed match was |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5105 if (REG_MULTI) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5106 rex.input = rex.line + pim->end.pos.col; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5107 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5108 rex.input = pim->end.ptr; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5109 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5110 |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5111 if (state->c == NFA_START_INVISIBLE_BEFORE |
|
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
5112 || state->c == NFA_START_INVISIBLE_BEFORE_FIRST |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
5113 || state->c == NFA_START_INVISIBLE_BEFORE_NEG |
|
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
5114 || 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
|
5115 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5116 // The recursive match must end at the current position. When "pim" is |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5117 // not NULL it specifies the current position. |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5118 endposp = &endpos; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5119 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5120 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5121 if (pim == NULL) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5122 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5123 endpos.se_u.pos.col = (int)(rex.input - rex.line); |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5124 endpos.se_u.pos.lnum = rex.lnum; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5125 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5126 else |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5127 endpos.se_u.pos = pim->end.pos; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5128 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5129 else |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5130 { |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5131 if (pim == NULL) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5132 endpos.se_u.ptr = rex.input; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5133 else |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5134 endpos.se_u.ptr = pim->end.ptr; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5135 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5136 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5137 // Go back the specified number of bytes, or as far as the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5138 // start of the previous line, to try matching "\@<=" or |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5139 // not matching "\@<!". This is very inefficient, limit the number of |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5140 // bytes if possible. |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5141 if (state->val <= 0) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5142 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5143 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5144 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5145 rex.line = reg_getline(--rex.lnum); |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5146 if (rex.line == NULL) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5147 // can't go before the first line |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5148 rex.line = reg_getline(++rex.lnum); |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5149 } |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5150 rex.input = rex.line; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5151 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5152 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5153 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5154 if (REG_MULTI && (int)(rex.input - rex.line) < state->val) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5155 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5156 // Not enough bytes in this line, go to end of |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5157 // previous line. |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5158 rex.line = reg_getline(--rex.lnum); |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5159 if (rex.line == NULL) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5160 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5161 // can't go before the first line |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5162 rex.line = reg_getline(++rex.lnum); |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5163 rex.input = rex.line; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5164 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5165 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5166 rex.input = rex.line + STRLEN(rex.line); |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5167 } |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5168 if ((int)(rex.input - rex.line) >= state->val) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5169 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5170 rex.input -= state->val; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5171 if (has_mbyte) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5172 rex.input -= mb_head_off(rex.line, rex.input); |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5173 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5174 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5175 rex.input = rex.line; |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5176 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5177 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5178 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5179 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5180 if (log_fd != stderr) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5181 fclose(log_fd); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5182 log_fd = NULL; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5183 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5184 // Have to clear the lastlist field of the NFA nodes, so that |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5185 // nfa_regmatch() and addstate() can run properly after recursion. |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5186 if (nfa_ll_index == 1) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5187 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5188 // Already calling nfa_regmatch() recursively. Save the lastlist[1] |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5189 // values and clear them. |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5190 if (*listids == NULL || *listids_len < prog->nstate) |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5191 { |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5192 vim_free(*listids); |
|
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16782
diff
changeset
|
5193 *listids = ALLOC_MULT(int, prog->nstate); |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5194 if (*listids == NULL) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5195 { |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
5196 emsg(_("E878: (NFA) Could not allocate memory for branch traversal!")); |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5197 return 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5198 } |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5199 *listids_len = prog->nstate; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5200 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5201 nfa_save_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5202 need_restore = TRUE; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5203 // any value of rex.nfa_listid will do |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5204 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5205 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5206 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5207 // First recursive nfa_regmatch() call, switch to the second lastlist |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5208 // entry. Make sure rex.nfa_listid is different from a previous |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5209 // recursive call, because some states may still have this ID. |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5210 ++nfa_ll_index; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5211 if (rex.nfa_listid <= rex.nfa_alt_listid) |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5212 rex.nfa_listid = rex.nfa_alt_listid; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5213 } |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5214 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5215 // Call nfa_regmatch() to check if the current concat matches at this |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5216 // 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
|
5217 nfa_endp = endposp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5218 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
|
5219 |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5220 if (need_restore) |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5221 nfa_restore_listids(prog, *listids); |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5222 else |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5223 { |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5224 --nfa_ll_index; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5225 rex.nfa_alt_listid = rex.nfa_listid; |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
5226 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5227 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5228 // restore position in input text |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5229 rex.lnum = save_reglnum; |
|
4877
9e36c6b1ebf4
updated for version 7.3.1184
Bram Moolenaar <bram@vim.org>
parents:
4845
diff
changeset
|
5230 if (REG_MULTI) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5231 rex.line = reg_getline(rex.lnum); |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5232 rex.input = rex.line + save_reginput_col; |
|
9371
3666915cac0b
commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
5233 if (result != NFA_TOO_EXPENSIVE) |
|
3666915cac0b
commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
5234 { |
|
3666915cac0b
commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
5235 nfa_match = save_nfa_match; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5236 rex.nfa_listid = save_nfa_listid; |
|
9371
3666915cac0b
commit https://github.com/vim/vim/commit/6747fabc7348bf5f41ccfe851e2be3e900ec8ee0
Christian Brabandt <cb@256bit.org>
parents:
9015
diff
changeset
|
5237 } |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5238 nfa_endp = save_nfa_endp; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5239 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5240 #ifdef ENABLE_LOG |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5241 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5242 if (log_fd != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5243 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5244 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5245 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
|
5246 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
|
5247 fprintf(log_fd, "****************************\n"); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5248 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5249 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5250 { |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
5251 emsg(_(e_log_open_failed)); |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5252 log_fd = stderr; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5253 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5254 #endif |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5255 |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5256 return result; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5257 } |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5258 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5259 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5260 * 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
|
5261 * empty match: 0 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5262 * NFA_ANY: 1 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5263 * specific character: 99 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5264 */ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5265 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5266 failure_chance(nfa_state_T *state, int depth) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5267 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5268 int c = state->c; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5269 int l, r; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5270 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5271 // detect looping |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5272 if (depth > 4) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5273 return 1; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5274 |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5275 switch (c) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5276 { |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5277 case NFA_SPLIT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5278 if (state->out->c == NFA_SPLIT || state->out1->c == NFA_SPLIT) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5279 // avoid recursive stuff |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5280 return 1; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5281 // two alternatives, use the lowest failure chance |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5282 l = failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5283 r = failure_chance(state->out1, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5284 return l < r ? l : r; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5285 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5286 case NFA_ANY: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5287 // matches anything, unlikely to fail |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5288 return 1; |
|
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5289 |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5290 case NFA_MATCH: |
|
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5291 case NFA_MCLOSE: |
| 5901 | 5292 case NFA_ANY_COMPOSING: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5293 // empty match works always |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5294 return 0; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5295 |
|
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5296 case NFA_START_INVISIBLE: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5297 case NFA_START_INVISIBLE_FIRST: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5298 case NFA_START_INVISIBLE_NEG: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5299 case NFA_START_INVISIBLE_NEG_FIRST: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5300 case NFA_START_INVISIBLE_BEFORE: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5301 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5302 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5303 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5304 case NFA_START_PATTERN: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5305 // recursive regmatch is expensive, use low failure chance |
|
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5306 return 5; |
|
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5307 |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5308 case NFA_BOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5309 case NFA_EOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5310 case NFA_BOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5311 case NFA_EOF: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5312 case NFA_NEWL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5313 return 99; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5314 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5315 case NFA_BOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5316 case NFA_EOW: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5317 return 90; |
|
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 case NFA_MOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5320 case NFA_MOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5321 case NFA_MOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5322 case NFA_MOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5323 case NFA_MOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5324 case NFA_MOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5325 case NFA_MOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5326 case NFA_MOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5327 case NFA_MOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5328 case NFA_MOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5329 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5330 case NFA_ZOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5331 case NFA_ZOPEN1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5332 case NFA_ZOPEN2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5333 case NFA_ZOPEN3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5334 case NFA_ZOPEN4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5335 case NFA_ZOPEN5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5336 case NFA_ZOPEN6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5337 case NFA_ZOPEN7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5338 case NFA_ZOPEN8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5339 case NFA_ZOPEN9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5340 case NFA_ZCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5341 case NFA_ZCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5342 case NFA_ZCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5343 case NFA_ZCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5344 case NFA_ZCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5345 case NFA_ZCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5346 case NFA_ZCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5347 case NFA_ZCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5348 case NFA_ZCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5349 case NFA_ZCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5350 #endif |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5351 case NFA_NOPEN: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5352 case NFA_MCLOSE1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5353 case NFA_MCLOSE2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5354 case NFA_MCLOSE3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5355 case NFA_MCLOSE4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5356 case NFA_MCLOSE5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5357 case NFA_MCLOSE6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5358 case NFA_MCLOSE7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5359 case NFA_MCLOSE8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5360 case NFA_MCLOSE9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5361 case NFA_NCLOSE: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5362 return failure_chance(state->out, depth + 1); |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5363 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5364 case NFA_BACKREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5365 case NFA_BACKREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5366 case NFA_BACKREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5367 case NFA_BACKREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5368 case NFA_BACKREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5369 case NFA_BACKREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5370 case NFA_BACKREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5371 case NFA_BACKREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5372 case NFA_BACKREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5373 #ifdef FEAT_SYN_HL |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5374 case NFA_ZREF1: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5375 case NFA_ZREF2: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5376 case NFA_ZREF3: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5377 case NFA_ZREF4: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5378 case NFA_ZREF5: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5379 case NFA_ZREF6: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5380 case NFA_ZREF7: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5381 case NFA_ZREF8: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5382 case NFA_ZREF9: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5383 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5384 // backreferences don't match in many places |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5385 return 94; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5386 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5387 case NFA_LNUM_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5388 case NFA_LNUM_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5389 case NFA_COL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5390 case NFA_COL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5391 case NFA_VCOL_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5392 case NFA_VCOL_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5393 case NFA_MARK_GT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5394 case NFA_MARK_LT: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5395 case NFA_VISUAL: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5396 // before/after positions don't match very often |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5397 return 85; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5398 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5399 case NFA_LNUM: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5400 return 90; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5401 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5402 case NFA_CURSOR: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5403 case NFA_COL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5404 case NFA_VCOL: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5405 case NFA_MARK: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5406 // specific positions rarely match |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5407 return 98; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5408 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5409 case NFA_COMPOSING: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5410 return 95; |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5411 |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5412 default: |
|
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5413 if (c > 0) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5414 // character match fails often |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5415 return 95; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5416 } |
|
4742
6a706ca7a889
updated for version 7.3.1118
Bram Moolenaar <bram@vim.org>
parents:
4740
diff
changeset
|
5417 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5418 // something else, includes character classes |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5419 return 50; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5420 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5421 |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5422 /* |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5423 * 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
|
5424 */ |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5425 static int |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5426 skip_to_start(int c, colnr_T *colp) |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5427 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5428 char_u *s; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5429 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5430 // Used often, do some work to avoid call overhead. |
|
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15490
diff
changeset
|
5431 if (!rex.reg_ic && !has_mbyte) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5432 s = vim_strbyte(rex.line + *colp, c); |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5433 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5434 s = cstrchr(rex.line + *colp, c); |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5435 if (s == NULL) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5436 return FAIL; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5437 *colp = (int)(s - rex.line); |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5438 return OK; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5439 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5440 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
5441 /* |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5442 * Check for a match with match_text. |
|
4807
3dbd251777de
updated for version 7.3.1150
Bram Moolenaar <bram@vim.org>
parents:
4805
diff
changeset
|
5443 * 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
|
5444 * 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
|
5445 */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5446 static long |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5447 find_match_text(colnr_T startcol, int regstart, char_u *match_text) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5448 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5449 colnr_T col = startcol; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5450 int c1, c2; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5451 int len1, len2; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5452 int match; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5453 |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5454 for (;;) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5455 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5456 match = TRUE; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5457 len2 = MB_CHAR2LEN(regstart); // skip regstart |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5458 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
|
5459 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5460 c1 = PTR2CHAR(match_text + len1); |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5461 c2 = PTR2CHAR(rex.line + col + len2); |
|
20772
097f5b5c907b
patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents:
20677
diff
changeset
|
5462 if (c1 != c2 && (!rex.reg_ic || MB_CASEFOLD(c1) != MB_CASEFOLD(c2))) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5463 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5464 match = FALSE; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5465 break; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5466 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5467 len2 += MB_CHAR2LEN(c2); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5468 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5469 if (match |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5470 // check that no composing char follows |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5471 && !(enc_utf8 |
|
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15490
diff
changeset
|
5472 && utf_iscomposing(PTR2CHAR(rex.line + col + len2)))) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5473 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5474 cleanup_subexpr(); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5475 if (REG_MULTI) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5476 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5477 rex.reg_startpos[0].lnum = rex.lnum; |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
5478 rex.reg_startpos[0].col = col; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5479 rex.reg_endpos[0].lnum = rex.lnum; |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
5480 rex.reg_endpos[0].col = col + len2; |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5481 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5482 else |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5483 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5484 rex.reg_startp[0] = rex.line + col; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5485 rex.reg_endp[0] = rex.line + col + len2; |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5486 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5487 return 1L; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5488 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5489 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5490 // Try finding regstart after the current match. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5491 col += MB_CHAR2LEN(regstart); // skip regstart |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5492 if (skip_to_start(regstart, &col) == FAIL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5493 break; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5494 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5495 return 0L; |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5496 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5497 |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5498 #ifdef FEAT_RELTIME |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5499 static int |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5500 nfa_did_time_out() |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5501 { |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5502 if (nfa_time_limit != NULL && profile_passed_limit(nfa_time_limit)) |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5503 { |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5504 if (nfa_timed_out != NULL) |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5505 *nfa_timed_out = TRUE; |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5506 return TRUE; |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5507 } |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5508 return FALSE; |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5509 } |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5510 #endif |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5511 |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
5512 /* |
| 4444 | 5513 * Main matching routine. |
| 5514 * | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5515 * Run NFA to determine whether it matches rex.input. |
| 4444 | 5516 * |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
5517 * 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
|
5518 * |
|
16491
38a323a6fd18
patch 8.1.1249: compiler warning for uninitialized variable
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
5519 * Return TRUE if there is a match, FALSE if there is no match, |
|
38a323a6fd18
patch 8.1.1249: compiler warning for uninitialized variable
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
5520 * NFA_TOO_EXPENSIVE if we end up with too many states. |
| 5372 | 5521 * When there is a match "submatch" contains the positions. |
|
16491
38a323a6fd18
patch 8.1.1249: compiler warning for uninitialized variable
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
5522 * |
| 4444 | 5523 * Note: Caller must ensure that: start != NULL. |
| 5524 */ | |
| 5525 static int | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5526 nfa_regmatch( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5527 nfa_regprog_T *prog, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5528 nfa_state_T *start, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5529 regsubs_T *submatch, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
5530 regsubs_T *m) |
| 4444 | 5531 { |
|
16491
38a323a6fd18
patch 8.1.1249: compiler warning for uninitialized variable
Bram Moolenaar <Bram@vim.org>
parents:
16162
diff
changeset
|
5532 int result = FALSE; |
| 6545 | 5533 size_t size = 0; |
| 4444 | 5534 int flag = 0; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5535 int go_to_nextline = FALSE; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5536 nfa_thread_T *t; |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5537 nfa_list_T list[2]; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5538 int listidx; |
|
4539
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5539 nfa_list_T *thislist; |
|
532c2e850256
updated for version 7.3.1017
Bram Moolenaar <bram@vim.org>
parents:
4537
diff
changeset
|
5540 nfa_list_T *nextlist; |
| 4444 | 5541 int *listids = NULL; |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5542 int listids_len = 0; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5543 nfa_state_T *add_state; |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5544 int add_here; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5545 int add_count; |
|
4819
8c4324e6f477
updated for version 7.3.1156
Bram Moolenaar <bram@vim.org>
parents:
4815
diff
changeset
|
5546 int add_off = 0; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5547 int toplevel = start->c == NFA_MOPEN; |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5548 regsubs_T *r; |
| 4460 | 5549 #ifdef NFA_REGEXP_DEBUG_LOG |
|
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5550 FILE *debug; |
| 4444 | 5551 #endif |
|
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5552 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5553 // Some patterns may take a long time to match, especially when using |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5554 // recursive_regmatch(). Allow interrupting them with CTRL-C. |
| 5310 | 5555 fast_breakcheck(); |
| 5556 if (got_int) | |
| 5557 return FALSE; | |
| 6573 | 5558 #ifdef FEAT_RELTIME |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5559 if (nfa_did_time_out()) |
| 6573 | 5560 return FALSE; |
| 5561 #endif | |
| 5310 | 5562 |
|
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5563 #ifdef NFA_REGEXP_DEBUG_LOG |
|
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5564 debug = fopen(NFA_REGEXP_DEBUG_LOG, "a"); |
|
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5565 if (debug == NULL) |
|
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5566 { |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
5567 semsg("(NFA) COULD NOT OPEN %s!", NFA_REGEXP_DEBUG_LOG); |
|
8989
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5568 return FALSE; |
|
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5569 } |
|
e600e696c0a1
commit https://github.com/vim/vim/commit/dc633cf82758f67f656cda7fa8ccc30414ee53f8
Christian Brabandt <cb@256bit.org>
parents:
8841
diff
changeset
|
5570 #endif |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5571 nfa_match = FALSE; |
| 4444 | 5572 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5573 // Allocate memory for the lists of nodes. |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5574 size = (prog->nstate + 1) * sizeof(nfa_thread_T); |
| 6547 | 5575 |
|
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16782
diff
changeset
|
5576 list[0].t = alloc(size); |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5577 list[0].len = prog->nstate + 1; |
|
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16782
diff
changeset
|
5578 list[1].t = alloc(size); |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5579 list[1].len = prog->nstate + 1; |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5580 if (list[0].t == NULL || list[1].t == NULL) |
| 4444 | 5581 goto theend; |
| 5582 | |
| 5583 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
5584 log_fd = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 5585 if (log_fd != NULL) |
| 5586 { | |
| 5587 fprintf(log_fd, "**********************************\n"); | |
| 5588 nfa_set_code(start->c); | |
| 5589 fprintf(log_fd, " RUNNING nfa_regmatch() starting with state %d, code %s\n", | |
| 5590 abs(start->id), code); | |
| 5591 fprintf(log_fd, "**********************************\n"); | |
| 5592 } | |
| 5593 else | |
| 5594 { | |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
5595 emsg(_(e_log_open_failed)); |
| 4444 | 5596 log_fd = stderr; |
| 5597 } | |
| 5598 #endif | |
| 5599 | |
| 5600 thislist = &list[0]; | |
| 5601 thislist->n = 0; | |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5602 thislist->has_pim = FALSE; |
| 4444 | 5603 nextlist = &list[1]; |
| 5604 nextlist->n = 0; | |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5605 nextlist->has_pim = FALSE; |
| 4444 | 5606 #ifdef ENABLE_LOG |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5607 fprintf(log_fd, "(---) STARTSTATE first\n"); |
| 4444 | 5608 #endif |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5609 thislist->id = rex.nfa_listid + 1; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5610 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5611 // Inline optimized code for addstate(thislist, start, m, 0) if we know |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5612 // it's the first MOPEN. |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5613 if (toplevel) |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5614 { |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5615 if (REG_MULTI) |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5616 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5617 m->norm.list.multi[0].start_lnum = rex.lnum; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5618 m->norm.list.multi[0].start_col = (colnr_T)(rex.input - rex.line); |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5619 } |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5620 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5621 m->norm.list.line[0].start = rex.input; |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5622 m->norm.in_use = 1; |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5623 r = addstate(thislist, start->out, m, NULL, 0); |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5624 } |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
5625 else |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5626 r = addstate(thislist, start, m, NULL, 0); |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5627 if (r == NULL) |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5628 { |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5629 nfa_match = NFA_TOO_EXPENSIVE; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5630 goto theend; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5631 } |
| 4444 | 5632 |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5633 #define ADD_STATE_IF_MATCH(state) \ |
|
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5634 if (result) { \ |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5635 add_state = state->out; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5636 add_off = clen; \ |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5637 } |
| 4444 | 5638 |
| 5639 /* | |
| 5640 * Run for each character. | |
| 5641 */ | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5642 for (;;) |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5643 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5644 int curc; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5645 int clen; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5646 |
| 4444 | 5647 if (has_mbyte) |
| 5648 { | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5649 curc = (*mb_ptr2char)(rex.input); |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5650 clen = (*mb_ptr2len)(rex.input); |
| 4444 | 5651 } |
| 5652 else | |
| 5653 { | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5654 curc = *rex.input; |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5655 clen = 1; |
| 4444 | 5656 } |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5657 if (curc == NUL) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5658 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5659 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5660 go_to_nextline = FALSE; |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5661 } |
| 4444 | 5662 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5663 // swap lists |
| 4444 | 5664 thislist = &list[flag]; |
| 5665 nextlist = &list[flag ^= 1]; | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5666 nextlist->n = 0; // clear nextlist |
|
5227
a08fa2919f2b
updated for version 7.4a.039
Bram Moolenaar <bram@vim.org>
parents:
5221
diff
changeset
|
5667 nextlist->has_pim = FALSE; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5668 ++rex.nfa_listid; |
|
14161
7cac4646c552
patch 8.1.0098: segfault when pattern with z() is very slow
Christian Brabandt <cb@256bit.org>
parents:
14159
diff
changeset
|
5669 if (prog->re_engine == AUTOMATIC_ENGINE |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5670 && (rex.nfa_listid >= NFA_MAX_STATES |
|
14173
4b59671bce9c
patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents:
14163
diff
changeset
|
5671 # ifdef FEAT_EVAL |
|
4b59671bce9c
patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents:
14163
diff
changeset
|
5672 || nfa_fail_for_testing |
|
4b59671bce9c
patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents:
14163
diff
changeset
|
5673 # endif |
|
4b59671bce9c
patch 8.1.0104: can't build without the +eval feature
Christian Brabandt <cb@256bit.org>
parents:
14163
diff
changeset
|
5674 )) |
| 6328 | 5675 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5676 // too many states, retry with old engine |
| 6328 | 5677 nfa_match = NFA_TOO_EXPENSIVE; |
| 5678 goto theend; | |
| 5679 } | |
| 5680 | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5681 thislist->id = rex.nfa_listid; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5682 nextlist->id = rex.nfa_listid + 1; |
| 4444 | 5683 |
| 5684 #ifdef ENABLE_LOG | |
| 5685 fprintf(log_fd, "------------------------------------------\n"); | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5686 fprintf(log_fd, ">>> Reginput is \"%s\"\n", rex.input); |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
5687 fprintf(log_fd, ">>> Advanced one character... Current char is %c (code %d) \n", curc, (int)curc); |
| 4444 | 5688 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
|
5689 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5690 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5691 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5692 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
5693 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
|
5694 } |
| 4444 | 5695 fprintf(log_fd, "\n"); |
| 5696 #endif | |
| 5697 | |
| 4460 | 5698 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 5699 fprintf(debug, "\n-------------------\n"); |
| 5700 #endif | |
| 4480 | 5701 /* |
| 5702 * If the state lists are empty we can stop. | |
| 5703 */ | |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5704 if (thislist->n == 0) |
| 4480 | 5705 break; |
| 4444 | 5706 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5707 // compute nextlist |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5708 for (listidx = 0; listidx < thislist->n; ++listidx) |
| 4444 | 5709 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5710 // If the list gets very long there probably is something wrong. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5711 // At least allow interrupting with CTRL-C. |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5712 fast_breakcheck(); |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5713 if (got_int) |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5714 break; |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5715 #ifdef FEAT_RELTIME |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5716 if (nfa_time_limit != NULL && ++nfa_time_count == 20) |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5717 { |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5718 nfa_time_count = 0; |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5719 if (nfa_did_time_out()) |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5720 break; |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5721 } |
|
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
5722 #endif |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5723 t = &thislist->t[listidx]; |
| 4444 | 5724 |
| 4460 | 5725 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 5726 nfa_set_code(t->state->c); |
| 5727 fprintf(debug, "%s, ", code); | |
| 5728 #endif | |
| 5729 #ifdef ENABLE_LOG | |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5730 { |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5731 int col; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5732 |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
5733 if (t->subs.norm.in_use <= 0) |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5734 col = -1; |
|
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5735 else if (REG_MULTI) |
| 6547 | 5736 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
|
5737 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5738 col = (int)(t->subs.norm.list.line[0].start - rex.line); |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5739 nfa_set_code(t->state->c); |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
5740 fprintf(log_fd, "(%d) char %d %s (start col %d)%s... \n", |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5741 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
|
5742 pim_info(&t->pim)); |
|
4657
93b7ed814bec
updated for version 7.3.1076
Bram Moolenaar <bram@vim.org>
parents:
4655
diff
changeset
|
5743 } |
| 4444 | 5744 #endif |
| 5745 | |
| 5746 /* | |
| 5747 * Handle the possible codes of the current state. | |
| 5748 * The most important is NFA_MATCH. | |
| 5749 */ | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5750 add_state = NULL; |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5751 add_here = FALSE; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5752 add_count = 0; |
| 4444 | 5753 switch (t->state->c) |
| 5754 { | |
| 5755 case NFA_MATCH: | |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5756 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5757 // If the match ends before a composing characters and |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5758 // rex.reg_icombine is not set, that is not really a match. |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
5759 if (enc_utf8 && !rex.reg_icombine && utf_iscomposing(curc)) |
| 5901 | 5760 break; |
|
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15490
diff
changeset
|
5761 |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
5762 nfa_match = TRUE; |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5763 copy_sub(&submatch->norm, &t->subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5764 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5765 if (rex.nfa_has_zsubexpr) |
|
4712
832bf8136d86
updated for version 7.3.1103
Bram Moolenaar <bram@vim.org>
parents:
4696
diff
changeset
|
5766 copy_sub(&submatch->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5767 #endif |
| 4444 | 5768 #ifdef ENABLE_LOG |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5769 log_subsexpr(&t->subs); |
| 4444 | 5770 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5771 // Found the left-most longest match, do not look at any other |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5772 // states at this position. When the list of states is going |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5773 // to be empty quit without advancing, so that "rex.input" is |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5774 // correct. |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
5775 if (nextlist->n == 0) |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
5776 clen = 0; |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
5777 goto nextchar; |
|
4567
96c1a7850097
updated for version 7.3.1031
Bram Moolenaar <bram@vim.org>
parents:
4565
diff
changeset
|
5778 } |
| 4444 | 5779 |
| 5780 case NFA_END_INVISIBLE: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5781 case NFA_END_INVISIBLE_NEG: |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5782 case NFA_END_PATTERN: |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5783 /* |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5784 * 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
|
5785 * NFA_START_INVISIBLE_BEFORE node. |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5786 * They surround a zero-width group, used with "\@=", "\&", |
|
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5787 * "\@!", "\@<=" and "\@<!". |
| 4444 | 5788 * If we got here, it means that the current "invisible" group |
| 5789 * 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
|
5790 * 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
|
5791 * in the position in "nfa_endp". |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5792 * 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
|
5793 */ |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5794 #ifdef ENABLE_LOG |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5795 if (nfa_endp != NULL) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5796 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5797 if (REG_MULTI) |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5798 fprintf(log_fd, "Current lnum: %d, endp lnum: %d; current col: %d, endp col: %d\n", |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5799 (int)rex.lnum, |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5800 (int)nfa_endp->se_u.pos.lnum, |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5801 (int)(rex.input - rex.line), |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5802 nfa_endp->se_u.pos.col); |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5803 else |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5804 fprintf(log_fd, "Current col: %d, endp col: %d\n", |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5805 (int)(rex.input - rex.line), |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5806 (int)(nfa_endp->se_u.ptr - rex.input)); |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5807 } |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5808 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5809 // If "nfa_endp" is set it's only a match if it ends at |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5810 // "nfa_endp" |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5811 if (nfa_endp != NULL && (REG_MULTI |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5812 ? (rex.lnum != nfa_endp->se_u.pos.lnum |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5813 || (int)(rex.input - rex.line) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5814 != nfa_endp->se_u.pos.col) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5815 : rex.input != nfa_endp->se_u.ptr)) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5816 break; |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5817 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5818 // do not set submatches for \@! |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5819 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
|
5820 { |
|
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5821 copy_sub(&m->norm, &t->subs.norm); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5822 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5823 if (rex.nfa_has_zsubexpr) |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5824 copy_sub(&m->synt, &t->subs.synt); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
5825 #endif |
| 4444 | 5826 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5827 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5828 fprintf(log_fd, "Match found:\n"); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5829 log_subsexpr(m); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5830 #endif |
|
4716
a804309e7327
updated for version 7.3.1105
Bram Moolenaar <bram@vim.org>
parents:
4714
diff
changeset
|
5831 nfa_match = TRUE; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5832 // See comment above at "goto nextchar". |
| 5334 | 5833 if (nextlist->n == 0) |
| 5834 clen = 0; | |
| 5835 goto nextchar; | |
| 4444 | 5836 |
| 5837 case NFA_START_INVISIBLE: | |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5838 case NFA_START_INVISIBLE_FIRST: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5839 case NFA_START_INVISIBLE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5840 case NFA_START_INVISIBLE_NEG_FIRST: |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
5841 case NFA_START_INVISIBLE_BEFORE: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5842 case NFA_START_INVISIBLE_BEFORE_FIRST: |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5843 case NFA_START_INVISIBLE_BEFORE_NEG: |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5844 case NFA_START_INVISIBLE_BEFORE_NEG_FIRST: |
| 4444 | 5845 { |
|
4821
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5846 #ifdef ENABLE_LOG |
|
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5847 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
|
5848 failure_chance(t->state->out, 0), |
|
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5849 failure_chance(t->state->out1->out, 0)); |
|
2f1ee97f5f23
updated for version 7.3.1157
Bram Moolenaar <bram@vim.org>
parents:
4819
diff
changeset
|
5850 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5851 // Do it directly if there already is a PIM or when |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5852 // nfa_postprocess() detected it will work better. |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5853 if (t->pim.result != NFA_PIM_UNUSED |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5854 || t->state->c == NFA_START_INVISIBLE_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5855 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5856 || t->state->c == NFA_START_INVISIBLE_BEFORE_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5857 || 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
|
5858 { |
|
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5859 int in_use = m->norm.in_use; |
|
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5860 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5861 // Copy submatch info for the recursive call, opposite |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5862 // of what happens on success below. |
|
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5863 copy_sub_off(&m->norm, &t->subs.norm); |
| 5370 | 5864 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5865 if (rex.nfa_has_zsubexpr) |
| 5370 | 5866 copy_sub_off(&m->synt, &t->subs.synt); |
| 5867 #endif | |
|
4997
8a7d3a73adab
updated for version 7.3.1243
Bram Moolenaar <bram@vim.org>
parents:
4958
diff
changeset
|
5868 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5869 /* |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5870 * First try matching the invisible match, then what |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5871 * follows. |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5872 */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5873 result = recursive_regmatch(t->state, NULL, prog, |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5874 submatch, m, &listids, &listids_len); |
| 6328 | 5875 if (result == NFA_TOO_EXPENSIVE) |
| 5876 { | |
| 5877 nfa_match = result; | |
| 5878 goto theend; | |
| 5879 } | |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5880 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5881 // for \@! and \@<! it is a match when the result is |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5882 // FALSE |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
5883 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
|
5884 || t->state->c == NFA_START_INVISIBLE_NEG_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5885 || t->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5886 == NFA_START_INVISIBLE_BEFORE_NEG |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5887 || t->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
5888 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5889 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5890 // Copy submatch info from the recursive call |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5891 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
|
5892 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5893 if (rex.nfa_has_zsubexpr) |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
5894 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
|
5895 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5896 // If the pattern has \ze and it matched in the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5897 // sub pattern, use it. |
| 5372 | 5898 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
|
5899 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5900 // t->state->out1 is the corresponding |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5901 // END_INVISIBLE node; Add its out to the current |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5902 // list (zero-width match). |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5903 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
5904 add_state = t->state->out1->out; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5905 } |
|
5029
c9e2ccc53f2e
updated for version 7.3.1258
Bram Moolenaar <bram@vim.org>
parents:
5006
diff
changeset
|
5906 m->norm.in_use = in_use; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5907 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5908 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5909 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5910 nfa_pim_T pim; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5911 |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5912 /* |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5913 * 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
|
5914 * 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
|
5915 * 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
|
5916 * about the invisible match. |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5917 */ |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5918 pim.state = t->state; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5919 pim.result = NFA_PIM_TODO; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5920 pim.subs.norm.in_use = 0; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5921 #ifdef FEAT_SYN_HL |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5922 pim.subs.synt.in_use = 0; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5923 #endif |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5924 if (REG_MULTI) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5925 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5926 pim.end.pos.col = (int)(rex.input - rex.line); |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5927 pim.end.pos.lnum = rex.lnum; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5928 } |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5929 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5930 pim.end.ptr = rex.input; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5931 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5932 // t->state->out1 is the corresponding END_INVISIBLE |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5933 // node; Add its out to the current list (zero-width |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5934 // match). |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5935 if (addstate_here(thislist, t->state->out1->out, |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5936 &t->subs, &pim, &listidx) == NULL) |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5937 { |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5938 nfa_match = NFA_TOO_EXPENSIVE; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5939 goto theend; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
5940 } |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
5941 } |
| 4444 | 5942 } |
| 5943 break; | |
| 5944 | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
5945 case NFA_START_PATTERN: |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5946 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5947 nfa_state_T *skip = NULL; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5948 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5949 int skip_lid = 0; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5950 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5951 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5952 // There is no point in trying to match the pattern if the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5953 // output state is not going to be added to the list. |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5954 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
|
5955 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5956 skip = t->state->out1->out; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5957 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5958 skip_lid = nextlist->id; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5959 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5960 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5961 else if (state_in_list(nextlist, |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5962 t->state->out1->out->out, &t->subs)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5963 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5964 skip = t->state->out1->out->out; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5965 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5966 skip_lid = nextlist->id; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5967 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5968 } |
|
4897
91136a41f83f
updated for version 7.3.1194
Bram Moolenaar <bram@vim.org>
parents:
4893
diff
changeset
|
5969 else if (state_in_list(thislist, |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5970 t->state->out1->out->out, &t->subs)) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5971 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5972 skip = t->state->out1->out->out; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5973 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5974 skip_lid = thislist->id; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5975 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5976 } |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5977 if (skip != NULL) |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5978 { |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5979 #ifdef ENABLE_LOG |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5980 nfa_set_code(skip->c); |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5981 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
|
5982 abs(skip->id), skip_lid, skip->c, code); |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5983 #endif |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5984 break; |
|
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5985 } |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5986 // Copy submatch info to the recursive call, opposite of what |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5987 // happens afterwards. |
| 5370 | 5988 copy_sub_off(&m->norm, &t->subs.norm); |
| 5989 #ifdef FEAT_SYN_HL | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
5990 if (rex.nfa_has_zsubexpr) |
| 5370 | 5991 copy_sub_off(&m->synt, &t->subs.synt); |
| 5992 #endif | |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
5993 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
5994 // First try matching the pattern. |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
5995 result = recursive_regmatch(t->state, NULL, prog, |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
5996 submatch, m, &listids, &listids_len); |
| 6328 | 5997 if (result == NFA_TOO_EXPENSIVE) |
| 5998 { | |
| 5999 nfa_match = result; | |
| 6000 goto theend; | |
| 6001 } | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6002 if (result) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6003 { |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6004 int bytelen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6005 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6006 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6007 fprintf(log_fd, "NFA_START_PATTERN matches:\n"); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6008 log_subsexpr(m); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6009 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6010 // Copy submatch info from the recursive call |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6011 copy_sub_off(&t->subs.norm, &m->norm); |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6012 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6013 if (rex.nfa_has_zsubexpr) |
|
4768
82e6588762e4
updated for version 7.3.1131
Bram Moolenaar <bram@vim.org>
parents:
4762
diff
changeset
|
6014 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
|
6015 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6016 // Now we need to skip over the matched text and then |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6017 // continue with what follows. |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6018 if (REG_MULTI) |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6019 // TODO: multi-line match |
| 6547 | 6020 bytelen = m->norm.list.multi[0].end_col |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6021 - (int)(rex.input - rex.line); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6022 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6023 bytelen = (int)(m->norm.list.line[0].end - rex.input); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6024 |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6025 #ifdef ENABLE_LOG |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6026 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
|
6027 #endif |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6028 if (bytelen == 0) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6029 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6030 // empty match, output of corresponding |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6031 // NFA_END_PATTERN/NFA_SKIP to be used at current |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6032 // position |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6033 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6034 add_state = t->state->out1->out->out; |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6035 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6036 else if (bytelen <= clen) |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6037 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6038 // match current character, output of corresponding |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6039 // NFA_END_PATTERN to be used at next position. |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6040 add_state = t->state->out1->out->out; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6041 add_off = clen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6042 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6043 else |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6044 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6045 // skip over the matched characters, set character |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6046 // count in NFA_SKIP |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6047 add_state = t->state->out1->out; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6048 add_off = bytelen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6049 add_count = bytelen - clen; |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6050 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6051 } |
|
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6052 break; |
|
4787
7fde662e1db2
updated for version 7.3.1140
Bram Moolenaar <bram@vim.org>
parents:
4785
diff
changeset
|
6053 } |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
6054 |
| 4444 | 6055 case NFA_BOL: |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6056 if (rex.input == rex.line) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6057 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6058 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6059 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6060 } |
| 4444 | 6061 break; |
| 6062 | |
| 6063 case NFA_EOL: | |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6064 if (curc == NUL) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6065 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6066 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6067 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6068 } |
| 4444 | 6069 break; |
| 6070 | |
| 6071 case NFA_BOW: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6072 result = TRUE; |
| 4444 | 6073 |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6074 if (curc == NUL) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6075 result = FALSE; |
| 4444 | 6076 else if (has_mbyte) |
| 6077 { | |
| 6078 int this_class; | |
| 6079 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6080 // Get class of current and previous char (if it exists). |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6081 this_class = mb_get_class_buf(rex.input, rex.reg_buf); |
| 4444 | 6082 if (this_class <= 1) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6083 result = FALSE; |
| 4444 | 6084 else if (reg_prev_class() == this_class) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6085 result = FALSE; |
| 4444 | 6086 } |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6087 else if (!vim_iswordc_buf(curc, rex.reg_buf) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6088 || (rex.input > rex.line |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6089 && vim_iswordc_buf(rex.input[-1], rex.reg_buf))) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6090 result = FALSE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6091 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6092 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6093 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6094 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6095 } |
| 4444 | 6096 break; |
| 6097 | |
| 6098 case NFA_EOW: | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6099 result = TRUE; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6100 if (rex.input == rex.line) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6101 result = FALSE; |
| 4444 | 6102 else if (has_mbyte) |
| 6103 { | |
| 6104 int this_class, prev_class; | |
| 6105 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6106 // Get class of current and previous char (if it exists). |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6107 this_class = mb_get_class_buf(rex.input, rex.reg_buf); |
| 4444 | 6108 prev_class = reg_prev_class(); |
| 6109 if (this_class == prev_class | |
| 6110 || prev_class == 0 || prev_class == 1) | |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6111 result = FALSE; |
| 4444 | 6112 } |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6113 else if (!vim_iswordc_buf(rex.input[-1], rex.reg_buf) |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6114 || (rex.input[0] != NUL |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6115 && vim_iswordc_buf(curc, rex.reg_buf))) |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6116 result = FALSE; |
|
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6117 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6118 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6119 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6120 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6121 } |
| 4444 | 6122 break; |
| 6123 | |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6124 case NFA_BOF: |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6125 if (rex.lnum == 0 && rex.input == rex.line |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6126 && (!REG_MULTI || rex.reg_firstlnum == 1)) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6127 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6128 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6129 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6130 } |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6131 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6132 |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6133 case NFA_EOF: |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6134 if (rex.lnum == rex.reg_maxline && curc == NUL) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6135 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6136 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6137 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6138 } |
|
4671
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6139 break; |
|
b3c59716e700
updated for version 7.3.1083
Bram Moolenaar <bram@vim.org>
parents:
4669
diff
changeset
|
6140 |
| 4444 | 6141 case NFA_COMPOSING: |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6142 { |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6143 int mc = curc; |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6144 int len = 0; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6145 nfa_state_T *end; |
|
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
6146 nfa_state_T *sta; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6147 int cchars[MAX_MCO]; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6148 int ccount = 0; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6149 int j; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6150 |
| 4444 | 6151 sta = t->state->out; |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6152 len = 0; |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6153 if (utf_iscomposing(sta->c)) |
|
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6154 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6155 // Only match composing character(s), ignore base |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6156 // character. Used for ".{composing}" and "{composing}" |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6157 // (no preceding character). |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6158 len += mb_char2len(mc); |
|
4535
45f97c349537
updated for version 7.3.1015
Bram Moolenaar <bram@vim.org>
parents:
4533
diff
changeset
|
6159 } |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6160 if (rex.reg_icombine && len == 0) |
| 4444 | 6161 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6162 // If \Z was present, then ignore composing characters. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6163 // When ignoring the base character this always matches. |
|
13208
e96663c35bab
patch 8.0.1478: unnecessary condition
Christian Brabandt <cb@256bit.org>
parents:
13192
diff
changeset
|
6164 if (sta->c != curc) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6165 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6166 else |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6167 result = OK; |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6168 while (sta->c != NFA_END_COMPOSING) |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6169 sta = sta->out; |
| 4444 | 6170 } |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6171 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6172 // Check base character matches first, unless ignored. |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6173 else if (len > 0 || mc == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6174 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6175 if (len == 0) |
|
4529
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6176 { |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6177 len += mb_char2len(mc); |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6178 sta = sta->out; |
|
432a6b8c7d93
updated for version 7.3.1012
Bram Moolenaar <bram@vim.org>
parents:
4527
diff
changeset
|
6179 } |
| 4444 | 6180 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6181 // We don't care about the order of composing characters. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6182 // Get them into cchars[] first. |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6183 while (len < clen) |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6184 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6185 mc = mb_ptr2char(rex.input + len); |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6186 cchars[ccount++] = mc; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6187 len += mb_char2len(mc); |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6188 if (ccount == MAX_MCO) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6189 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6190 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6191 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6192 // Check that each composing char in the pattern matches a |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6193 // composing char in the text. We do not check if all |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6194 // composing chars are matched. |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6195 result = OK; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6196 while (sta->c != NFA_END_COMPOSING) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6197 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6198 for (j = 0; j < ccount; ++j) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6199 if (cchars[j] == sta->c) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6200 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6201 if (j == ccount) |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6202 { |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6203 result = FAIL; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6204 break; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6205 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6206 sta = sta->out; |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6207 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6208 } |
|
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6209 else |
|
4525
36ddcf4cecbc
updated for version 7.3.1010
Bram Moolenaar <bram@vim.org>
parents:
4517
diff
changeset
|
6210 result = FAIL; |
|
4547
fc997f05cbc7
updated for version 7.3.1021
Bram Moolenaar <bram@vim.org>
parents:
4543
diff
changeset
|
6211 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6212 end = t->state->out1; // NFA_END_COMPOSING |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6213 ADD_STATE_IF_MATCH(end); |
| 4444 | 6214 break; |
|
4527
55bcaa1d2749
updated for version 7.3.1011
Bram Moolenaar <bram@vim.org>
parents:
4525
diff
changeset
|
6215 } |
| 4444 | 6216 |
| 6217 case NFA_NEWL: | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6218 if (curc == NUL && !rex.reg_line_lbr && REG_MULTI |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6219 && rex.lnum <= rex.reg_maxline) |
| 4444 | 6220 { |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6221 go_to_nextline = TRUE; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6222 // Pass -1 for the offset, which means taking the position |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6223 // at the start of the next line. |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6224 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6225 add_off = -1; |
| 4444 | 6226 } |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6227 else if (curc == '\n' && rex.reg_line_lbr) |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6228 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6229 // 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
|
6230 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6231 add_off = 1; |
|
4555
b2946c06d1b6
updated for version 7.3.1025
Bram Moolenaar <bram@vim.org>
parents:
4553
diff
changeset
|
6232 } |
| 4444 | 6233 break; |
| 6234 | |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6235 case NFA_START_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6236 case NFA_START_NEG_COLL: |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6237 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6238 // What follows is a list of characters, until NFA_END_COLL. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6239 // One of them must match or none of them must match. |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6240 nfa_state_T *state; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6241 int result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6242 int c1, c2; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6243 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6244 // Never match EOL. If it's part of the collection it is added |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6245 // as a separate state with an OR. |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6246 if (curc == NUL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6247 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6248 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6249 state = t->state->out; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6250 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
|
6251 for (;;) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6252 { |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6253 if (state->c == NFA_END_COLL) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6254 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6255 result = !result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6256 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6257 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6258 if (state->c == NFA_RANGE_MIN) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6259 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6260 c1 = state->val; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6261 state = state->out; // advance to NFA_RANGE_MAX |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6262 c2 = state->val; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6263 #ifdef ENABLE_LOG |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6264 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
|
6265 curc, c1, c2); |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6266 #endif |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6267 if (curc >= c1 && curc <= c2) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6268 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6269 result = result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6270 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6271 } |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6272 if (rex.reg_ic) |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6273 { |
|
20772
097f5b5c907b
patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents:
20677
diff
changeset
|
6274 int curc_low = MB_CASEFOLD(curc); |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6275 int done = FALSE; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6276 |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6277 for ( ; c1 <= c2; ++c1) |
|
20772
097f5b5c907b
patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents:
20677
diff
changeset
|
6278 if (MB_CASEFOLD(c1) == curc_low) |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6279 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6280 result = result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6281 done = TRUE; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6282 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6283 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6284 if (done) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6285 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6286 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6287 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6288 else if (state->c < 0 ? check_char_class(state->c, curc) |
|
13192
9bd4151e5aeb
patch 8.0.1470: integer overflow when using regexp pattern
Christian Brabandt <cb@256bit.org>
parents:
13043
diff
changeset
|
6289 : (curc == state->c |
|
20772
097f5b5c907b
patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents:
20677
diff
changeset
|
6290 || (rex.reg_ic && MB_CASEFOLD(curc) |
|
097f5b5c907b
patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents:
20677
diff
changeset
|
6291 == MB_CASEFOLD(state->c)))) |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6292 { |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6293 result = result_if_matched; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6294 break; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6295 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6296 state = state->out; |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6297 } |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6298 if (result) |
|
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6299 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6300 // next state is in out of the NFA_END_COLL, out1 of |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6301 // START points to the END state |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6302 add_state = t->state->out1->out; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6303 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6304 } |
| 4444 | 6305 break; |
|
4781
c02c7df9bdc9
updated for version 7.3.1137
Bram Moolenaar <bram@vim.org>
parents:
4772
diff
changeset
|
6306 } |
| 4444 | 6307 |
| 6308 case NFA_ANY: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6309 // 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
|
6310 if (curc > 0) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6311 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6312 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6313 add_off = clen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6314 } |
| 4444 | 6315 break; |
| 6316 | |
| 5901 | 6317 case NFA_ANY_COMPOSING: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6318 // On a composing character skip over it. Otherwise do |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6319 // nothing. Always matches. |
| 5901 | 6320 if (enc_utf8 && utf_iscomposing(curc)) |
| 6321 { | |
| 6322 add_off = clen; | |
| 6323 } | |
| 6324 else | |
| 6325 { | |
| 6326 add_here = TRUE; | |
| 6327 add_off = 0; | |
| 6328 } | |
| 6329 add_state = t->state->out; | |
| 6330 break; | |
| 6331 | |
| 4444 | 6332 /* |
| 6333 * Character classes like \a for alpha, \d for digit etc. | |
| 6334 */ | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6335 case NFA_IDENT: // \i |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6336 result = vim_isIDc(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6337 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6338 break; |
| 6339 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6340 case NFA_SIDENT: // \I |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6341 result = !VIM_ISDIGIT(curc) && vim_isIDc(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6342 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6343 break; |
| 6344 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6345 case NFA_KWORD: // \k |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6346 result = vim_iswordp_buf(rex.input, rex.reg_buf); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6347 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6348 break; |
| 6349 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6350 case NFA_SKWORD: // \K |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6351 result = !VIM_ISDIGIT(curc) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6352 && vim_iswordp_buf(rex.input, rex.reg_buf); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6353 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6354 break; |
| 6355 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6356 case NFA_FNAME: // \f |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6357 result = vim_isfilec(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6358 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6359 break; |
| 6360 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6361 case NFA_SFNAME: // \F |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6362 result = !VIM_ISDIGIT(curc) && vim_isfilec(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6363 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6364 break; |
| 6365 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6366 case NFA_PRINT: // \p |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6367 result = vim_isprintc(PTR2CHAR(rex.input)); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6368 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6369 break; |
| 6370 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6371 case NFA_SPRINT: // \P |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6372 result = !VIM_ISDIGIT(curc) && vim_isprintc(PTR2CHAR(rex.input)); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6373 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6374 break; |
| 6375 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6376 case NFA_WHITE: // \s |
|
11129
f4ea50924c6d
patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11127
diff
changeset
|
6377 result = VIM_ISWHITE(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6378 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6379 break; |
| 6380 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6381 case NFA_NWHITE: // \S |
|
11129
f4ea50924c6d
patch 8.0.0452: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11127
diff
changeset
|
6382 result = curc != NUL && !VIM_ISWHITE(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6383 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6384 break; |
| 6385 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6386 case NFA_DIGIT: // \d |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6387 result = ri_digit(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6388 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6389 break; |
| 6390 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6391 case NFA_NDIGIT: // \D |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6392 result = curc != NUL && !ri_digit(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6393 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6394 break; |
| 6395 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6396 case NFA_HEX: // \x |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6397 result = ri_hex(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6398 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6399 break; |
| 6400 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6401 case NFA_NHEX: // \X |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6402 result = curc != NUL && !ri_hex(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6403 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6404 break; |
| 6405 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6406 case NFA_OCTAL: // \o |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6407 result = ri_octal(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6408 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6409 break; |
| 6410 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6411 case NFA_NOCTAL: // \O |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6412 result = curc != NUL && !ri_octal(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6413 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6414 break; |
| 6415 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6416 case NFA_WORD: // \w |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6417 result = ri_word(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6418 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6419 break; |
| 6420 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6421 case NFA_NWORD: // \W |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6422 result = curc != NUL && !ri_word(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6423 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6424 break; |
| 6425 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6426 case NFA_HEAD: // \h |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6427 result = ri_head(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6428 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6429 break; |
| 6430 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6431 case NFA_NHEAD: // \H |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6432 result = curc != NUL && !ri_head(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6433 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6434 break; |
| 6435 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6436 case NFA_ALPHA: // \a |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6437 result = ri_alpha(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6438 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6439 break; |
| 6440 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6441 case NFA_NALPHA: // \A |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6442 result = curc != NUL && !ri_alpha(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6443 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6444 break; |
| 6445 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6446 case NFA_LOWER: // \l |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6447 result = ri_lower(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6448 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6449 break; |
| 6450 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6451 case NFA_NLOWER: // \L |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6452 result = curc != NUL && !ri_lower(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6453 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6454 break; |
| 6455 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6456 case NFA_UPPER: // \u |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6457 result = ri_upper(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6458 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6459 break; |
| 6460 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6461 case NFA_NUPPER: // \U |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6462 result = curc != NUL && !ri_upper(curc); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6463 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6464 break; |
| 6465 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6466 case NFA_LOWER_IC: // [a-z] |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6467 result = ri_lower(curc) || (rex.reg_ic && ri_upper(curc)); |
| 5296 | 6468 ADD_STATE_IF_MATCH(t->state); |
| 6469 break; | |
| 6470 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6471 case NFA_NLOWER_IC: // [^a-z] |
| 5296 | 6472 result = curc != NUL |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6473 && !(ri_lower(curc) || (rex.reg_ic && ri_upper(curc))); |
| 5296 | 6474 ADD_STATE_IF_MATCH(t->state); |
| 6475 break; | |
| 6476 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6477 case NFA_UPPER_IC: // [A-Z] |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6478 result = ri_upper(curc) || (rex.reg_ic && ri_lower(curc)); |
| 5296 | 6479 ADD_STATE_IF_MATCH(t->state); |
| 6480 break; | |
| 6481 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6482 case NFA_NUPPER_IC: // ^[A-Z] |
| 5296 | 6483 result = curc != NUL |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6484 && !(ri_upper(curc) || (rex.reg_ic && ri_lower(curc))); |
| 5296 | 6485 ADD_STATE_IF_MATCH(t->state); |
| 6486 break; | |
| 6487 | |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6488 case NFA_BACKREF1: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6489 case NFA_BACKREF2: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6490 case NFA_BACKREF3: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6491 case NFA_BACKREF4: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6492 case NFA_BACKREF5: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6493 case NFA_BACKREF6: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6494 case NFA_BACKREF7: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6495 case NFA_BACKREF8: |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6496 case NFA_BACKREF9: |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6497 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6498 case NFA_ZREF1: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6499 case NFA_ZREF2: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6500 case NFA_ZREF3: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6501 case NFA_ZREF4: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6502 case NFA_ZREF5: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6503 case NFA_ZREF6: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6504 case NFA_ZREF7: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6505 case NFA_ZREF8: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6506 case NFA_ZREF9: |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6507 #endif |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6508 // \1 .. \9 \z1 .. \z9 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6509 { |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6510 int subidx; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6511 int bytelen; |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6512 |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6513 if (t->state->c <= NFA_BACKREF9) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6514 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6515 subidx = t->state->c - NFA_BACKREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6516 result = match_backref(&t->subs.norm, subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6517 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6518 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6519 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6520 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6521 subidx = t->state->c - NFA_ZREF1 + 1; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6522 result = match_zref(subidx, &bytelen); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6523 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6524 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6525 |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6526 if (result) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6527 { |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6528 if (bytelen == 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6529 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6530 // empty match always works, output of NFA_SKIP to be |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6531 // used next |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6532 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6533 add_state = t->state->out->out; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6534 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6535 else if (bytelen <= clen) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6536 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6537 // match current character, jump ahead to out of |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6538 // NFA_SKIP |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6539 add_state = t->state->out->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6540 add_off = clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6541 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6542 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6543 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6544 // skip over the matched characters, set character |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6545 // count in NFA_SKIP |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6546 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6547 add_off = bytelen; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6548 add_count = bytelen - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6549 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6550 } |
| 4482 | 6551 break; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6552 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6553 case NFA_SKIP: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6554 // character of previous matching \1 .. \9 or \@> |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6555 if (t->count - clen <= 0) |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6556 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6557 // end of match, go to what follows |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6558 add_state = t->state->out; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6559 add_off = clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6560 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6561 else |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6562 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6563 // add state again with decremented count |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6564 add_state = t->state; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6565 add_off = 0; |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6566 add_count = t->count - clen; |
|
4571
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6567 } |
|
b2a8e3a66f8c
updated for version 7.3.1033
Bram Moolenaar <bram@vim.org>
parents:
4569
diff
changeset
|
6568 break; |
| 4482 | 6569 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6570 case NFA_LNUM: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6571 case NFA_LNUM_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6572 case NFA_LNUM_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6573 result = (REG_MULTI && |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6574 nfa_re_num_cmp(t->state->val, t->state->c - NFA_LNUM, |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6575 (long_u)(rex.lnum + rex.reg_firstlnum))); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6576 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6577 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6578 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6579 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6580 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6581 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6582 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6583 case NFA_COL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6584 case NFA_COL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6585 case NFA_COL_LT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6586 result = nfa_re_num_cmp(t->state->val, t->state->c - NFA_COL, |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6587 (long_u)(rex.input - rex.line) + 1); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6588 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6589 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6590 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6591 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6592 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6593 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6594 |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6595 case NFA_VCOL: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6596 case NFA_VCOL_GT: |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6597 case NFA_VCOL_LT: |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6598 { |
| 6499 | 6599 int op = t->state->c - NFA_VCOL; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6600 colnr_T col = (colnr_T)(rex.input - rex.line); |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6601 win_T *wp = rex.reg_win == NULL ? curwin : rex.reg_win; |
| 6499 | 6602 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6603 // Bail out quickly when there can't be a match, avoid the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6604 // overhead of win_linetabsize() on long lines. |
| 6653 | 6605 if (op != 1 && col > t->state->val |
|
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15490
diff
changeset
|
6606 * (has_mbyte ? MB_MAXBYTES : 1)) |
| 6499 | 6607 break; |
| 6510 | 6608 result = FALSE; |
| 6609 if (op == 1 && col - 1 > t->state->val && col > 100) | |
| 6610 { | |
| 6611 int ts = wp->w_buffer->b_p_ts; | |
| 6612 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6613 // Guess that a character won't use more columns than |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6614 // 'tabstop', with a minimum of 4. |
| 6510 | 6615 if (ts < 4) |
| 6616 ts = 4; | |
| 6617 result = col > t->state->val * ts; | |
| 6618 } | |
| 6619 if (!result) | |
| 6620 result = nfa_re_num_cmp(t->state->val, op, | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6621 (long_u)win_linetabsize(wp, rex.line, col) + 1); |
| 6499 | 6622 if (result) |
| 6623 { | |
| 6624 add_here = TRUE; | |
| 6625 add_state = t->state->out; | |
| 6626 } | |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6627 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6628 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6629 |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6630 case NFA_MARK: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6631 case NFA_MARK_GT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6632 case NFA_MARK_LT: |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6633 { |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6634 pos_T *pos = getmark_buf(rex.reg_buf, t->state->val, FALSE); |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6635 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6636 // Compare the mark position to the match position. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6637 result = (pos != NULL // mark doesn't exist |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6638 && pos->lnum > 0 // mark isn't set in reg_buf |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6639 && (pos->lnum == rex.lnum + rex.reg_firstlnum |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6640 ? (pos->col == (colnr_T)(rex.input - rex.line) |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6641 ? t->state->c == NFA_MARK |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6642 : (pos->col < (colnr_T)(rex.input - rex.line) |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6643 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6644 : t->state->c == NFA_MARK_LT)) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6645 : (pos->lnum < rex.lnum + rex.reg_firstlnum |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6646 ? t->state->c == NFA_MARK_GT |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6647 : t->state->c == NFA_MARK_LT))); |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6648 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6649 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6650 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6651 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6652 } |
|
4732
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6653 break; |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6654 } |
|
0798b096bab3
updated for version 7.3.1113
Bram Moolenaar <bram@vim.org>
parents:
4730
diff
changeset
|
6655 |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6656 case NFA_CURSOR: |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6657 result = (rex.reg_win != NULL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6658 && (rex.lnum + rex.reg_firstlnum |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6659 == rex.reg_win->w_cursor.lnum) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6660 && ((colnr_T)(rex.input - rex.line) |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6661 == rex.reg_win->w_cursor.col)); |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6662 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6663 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6664 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6665 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6666 } |
|
4583
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6667 break; |
|
321cfbef9431
updated for version 7.3.1039
Bram Moolenaar <bram@vim.org>
parents:
4579
diff
changeset
|
6668 |
|
4756
96f3348f9f11
updated for version 7.3.1125
Bram Moolenaar <bram@vim.org>
parents:
4750
diff
changeset
|
6669 case NFA_VISUAL: |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6670 result = reg_match_visual(); |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6671 if (result) |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6672 { |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6673 add_here = TRUE; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6674 add_state = t->state->out; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6675 } |
|
4730
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6676 break; |
|
749e2b2755d5
updated for version 7.3.1112
Bram Moolenaar <bram@vim.org>
parents:
4728
diff
changeset
|
6677 |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6678 case NFA_MOPEN1: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6679 case NFA_MOPEN2: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6680 case NFA_MOPEN3: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6681 case NFA_MOPEN4: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6682 case NFA_MOPEN5: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6683 case NFA_MOPEN6: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6684 case NFA_MOPEN7: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6685 case NFA_MOPEN8: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6686 case NFA_MOPEN9: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6687 #ifdef FEAT_SYN_HL |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6688 case NFA_ZOPEN: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6689 case NFA_ZOPEN1: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6690 case NFA_ZOPEN2: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6691 case NFA_ZOPEN3: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6692 case NFA_ZOPEN4: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6693 case NFA_ZOPEN5: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6694 case NFA_ZOPEN6: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6695 case NFA_ZOPEN7: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6696 case NFA_ZOPEN8: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6697 case NFA_ZOPEN9: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6698 #endif |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6699 case NFA_NOPEN: |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6700 case NFA_ZSTART: |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6701 // These states are only added to be able to bail out when |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6702 // they are added again, nothing is to be done. |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6703 break; |
|
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6704 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6705 default: // regular character |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6706 { |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6707 int c = t->state->c; |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6708 |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6709 #ifdef DEBUG |
|
4785
3b5a023a4543
updated for version 7.3.1139
Bram Moolenaar <bram@vim.org>
parents:
4783
diff
changeset
|
6710 if (c < 0) |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
6711 siemsg("INTERNAL: Negative state char: %ld", c); |
|
5251
2e63b6c763f7
updated for version 7.4b.002
Bram Moolenaar <bram@vim.org>
parents:
5227
diff
changeset
|
6712 #endif |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6713 result = (c == curc); |
|
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6714 |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6715 if (!result && rex.reg_ic) |
|
20772
097f5b5c907b
patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents:
20677
diff
changeset
|
6716 result = MB_CASEFOLD(c) == MB_CASEFOLD(curc); |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6717 // If rex.reg_icombine is not set only skip over the character |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6718 // itself. When it is set skip over composing characters. |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6719 if (result && enc_utf8 && !rex.reg_icombine) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6720 clen = utf_ptr2len(rex.input); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6721 ADD_STATE_IF_MATCH(t->state); |
| 4444 | 6722 break; |
|
4559
04086e297563
updated for version 7.3.1027
Bram Moolenaar <bram@vim.org>
parents:
4557
diff
changeset
|
6723 } |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6724 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6725 } // switch (t->state->c) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6726 |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6727 if (add_state != NULL) |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6728 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6729 nfa_pim_T *pim; |
| 5401 | 6730 nfa_pim_T pim_copy; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6731 |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6732 if (t->pim.result == NFA_PIM_UNUSED) |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6733 pim = NULL; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6734 else |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6735 pim = &t->pim; |
|
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6736 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6737 // Handle the postponed invisible match if the match might end |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6738 // without advancing and before the end of the line. |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6739 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
|
6740 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6741 if (pim->result == NFA_PIM_TODO) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6742 { |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6743 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6744 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6745 fprintf(log_fd, "==================================\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6746 fprintf(log_fd, "Postponed recursive nfa_regmatch()\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6747 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6748 #endif |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6749 result = recursive_regmatch(pim->state, pim, |
|
14309
15530de011bc
patch 8.1.0170: invalid memory use with complicated pattern
Christian Brabandt <cb@256bit.org>
parents:
14173
diff
changeset
|
6750 prog, submatch, m, &listids, &listids_len); |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6751 pim->result = result ? NFA_PIM_MATCH : NFA_PIM_NOMATCH; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6752 // for \@! and \@<! it is a match when the result is |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6753 // FALSE |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6754 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
|
6755 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6756 || pim->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6757 == NFA_START_INVISIBLE_BEFORE_NEG |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6758 || pim->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6759 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6760 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6761 // Copy submatch info from the recursive call |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6762 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
|
6763 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6764 if (rex.nfa_has_zsubexpr) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6765 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
|
6766 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6767 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6768 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6769 else |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6770 { |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6771 result = (pim->result == NFA_PIM_MATCH); |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6772 #ifdef ENABLE_LOG |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6773 fprintf(log_fd, "\n"); |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6774 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
|
6775 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
|
6776 fprintf(log_fd, "\n"); |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6777 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6778 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6779 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6780 // 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
|
6781 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
|
6782 || pim->state->c == NFA_START_INVISIBLE_NEG_FIRST |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6783 || pim->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6784 == NFA_START_INVISIBLE_BEFORE_NEG |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6785 || pim->state->c |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
6786 == NFA_START_INVISIBLE_BEFORE_NEG_FIRST)) |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6787 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6788 // Copy submatch info from the recursive call |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6789 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
|
6790 #ifdef FEAT_SYN_HL |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6791 if (rex.nfa_has_zsubexpr) |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6792 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
|
6793 #endif |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6794 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6795 else |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6796 // look-behind match failed, don't add the state |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6797 continue; |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6798 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6799 // Postponed invisible match was handled, don't add it to |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6800 // following states. |
|
4813
bc3f4804cf47
updated for version 7.3.1153
Bram Moolenaar <bram@vim.org>
parents:
4811
diff
changeset
|
6801 pim = NULL; |
|
4726
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6802 } |
|
3849c811cc0b
updated for version 7.3.1110
Bram Moolenaar <bram@vim.org>
parents:
4720
diff
changeset
|
6803 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6804 // If "pim" points into l->t it will become invalid when |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6805 // adding the state causes the list to be reallocated. Make a |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6806 // local copy to avoid that. |
| 5401 | 6807 if (pim == &t->pim) |
| 6808 { | |
| 6809 copy_pim(&pim_copy, pim); | |
| 6810 pim = &pim_copy; | |
| 6811 } | |
| 6812 | |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6813 if (add_here) |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6814 r = addstate_here(thislist, add_state, &t->subs, |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6815 pim, &listidx); |
|
4799
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6816 else |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6817 { |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6818 r = 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
|
6819 if (add_count > 0) |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6820 nextlist->t[nextlist->n - 1].count = add_count; |
|
e3f9e33fb28c
updated for version 7.3.1146
Bram Moolenaar <bram@vim.org>
parents:
4797
diff
changeset
|
6821 } |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6822 if (r == NULL) |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6823 { |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6824 nfa_match = NFA_TOO_EXPENSIVE; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6825 goto theend; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6826 } |
| 4444 | 6827 } |
| 6828 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6829 } // for (thislist = thislist; thislist->state; thislist++) |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6830 |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6831 // Look for the start of a match in the current position by adding the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6832 // start state to the list of states. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6833 // The first found match is the leftmost one, thus the order of states |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6834 // matters! |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6835 // Do not add the start state in recursive calls of nfa_regmatch(), |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6836 // because recursive calls should only start in the first position. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6837 // Unless "nfa_endp" is not NULL, then we match the end position. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6838 // 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
|
6839 if (nfa_match == FALSE |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6840 && ((toplevel |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6841 && rex.lnum == 0 |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6842 && clen != 0 |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6843 && (rex.reg_maxcol == 0 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6844 || (colnr_T)(rex.input - rex.line) < rex.reg_maxcol)) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6845 || (nfa_endp != NULL |
|
4682
2f51ee8825db
updated for version 7.3.1088
Bram Moolenaar <bram@vim.org>
parents:
4679
diff
changeset
|
6846 && (REG_MULTI |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6847 ? (rex.lnum < nfa_endp->se_u.pos.lnum |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6848 || (rex.lnum == nfa_endp->se_u.pos.lnum |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6849 && (int)(rex.input - rex.line) |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6850 < nfa_endp->se_u.pos.col)) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6851 : rex.input < nfa_endp->se_u.ptr)))) |
| 4444 | 6852 { |
| 6853 #ifdef ENABLE_LOG | |
| 6854 fprintf(log_fd, "(---) STARTSTATE\n"); | |
| 6855 #endif | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6856 // Inline optimized code for addstate() if we know the state is |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6857 // the first MOPEN. |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6858 if (toplevel) |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6859 { |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6860 int add = TRUE; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6861 int c; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6862 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6863 if (prog->regstart != NUL && clen != 0) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6864 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6865 if (nextlist->n == 0) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6866 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6867 colnr_T col = (colnr_T)(rex.input - rex.line) + clen; |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6868 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6869 // Nextlist is empty, we can skip ahead to the |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6870 // character that must appear at the start. |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6871 if (skip_to_start(prog->regstart, &col) == FAIL) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6872 break; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6873 #ifdef ENABLE_LOG |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6874 fprintf(log_fd, " Skipping ahead %d bytes to regstart\n", |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6875 col - ((colnr_T)(rex.input - rex.line) + clen)); |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6876 #endif |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6877 rex.input = rex.line + col - clen; |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6878 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6879 else |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6880 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6881 // Checking if the required start character matches is |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6882 // cheaper than adding a state that won't match. |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6883 c = PTR2CHAR(rex.input + clen); |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
6884 if (c != prog->regstart && (!rex.reg_ic |
|
20772
097f5b5c907b
patch 8.2.0938: NFA regexp uses tolower ()to compare ignore-case
Bram Moolenaar <Bram@vim.org>
parents:
20677
diff
changeset
|
6885 || MB_CASEFOLD(c) != MB_CASEFOLD(prog->regstart))) |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6886 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6887 #ifdef ENABLE_LOG |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6888 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
|
6889 #endif |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6890 add = FALSE; |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6891 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6892 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6893 } |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6894 |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6895 if (add) |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6896 { |
|
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6897 if (REG_MULTI) |
| 6547 | 6898 m->norm.list.multi[0].start_col = |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6899 (colnr_T)(rex.input - rex.line) + clen; |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6900 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6901 m->norm.list.line[0].start = rex.input + clen; |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6902 if (addstate(nextlist, start->out, m, NULL, clen) == NULL) |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6903 { |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6904 nfa_match = NFA_TOO_EXPENSIVE; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6905 goto theend; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6906 } |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
6907 } |
|
4797
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6908 } |
|
a30e3762957d
updated for version 7.3.1145
Bram Moolenaar <bram@vim.org>
parents:
4787
diff
changeset
|
6909 else |
|
15796
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6910 { |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6911 if (addstate(nextlist, start, m, NULL, clen) == NULL) |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6912 { |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6913 nfa_match = NFA_TOO_EXPENSIVE; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6914 goto theend; |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6915 } |
|
481452f6687c
patch 8.1.0905: complicated regexp causes a crash
Bram Moolenaar <Bram@vim.org>
parents:
15709
diff
changeset
|
6916 } |
| 4444 | 6917 } |
| 6918 | |
| 6919 #ifdef ENABLE_LOG | |
| 6920 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
|
6921 { |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6922 int i; |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6923 |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6924 for (i = 0; i < thislist->n; i++) |
|
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6925 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
|
6926 } |
| 4444 | 6927 fprintf(log_fd, "\n"); |
| 6928 #endif | |
| 6929 | |
| 6930 nextchar: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6931 // Advance to the next character, or advance to the next line, or |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6932 // finish. |
|
4549
849180347ac3
updated for version 7.3.1022
Bram Moolenaar <bram@vim.org>
parents:
4547
diff
changeset
|
6933 if (clen != 0) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6934 rex.input += clen; |
|
4694
efc4fb311d5d
updated for version 7.3.1094
Bram Moolenaar <bram@vim.org>
parents:
4692
diff
changeset
|
6935 else if (go_to_nextline || (nfa_endp != NULL && REG_MULTI |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6936 && rex.lnum < nfa_endp->se_u.pos.lnum)) |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6937 reg_nextline(); |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6938 else |
|
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6939 break; |
| 6499 | 6940 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6941 // Allow interrupting with CTRL-C. |
| 6573 | 6942 line_breakcheck(); |
| 6499 | 6943 if (got_int) |
| 6944 break; | |
| 6573 | 6945 #ifdef FEAT_RELTIME |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6946 // Check for timeout once in a twenty times to avoid overhead. |
| 6573 | 6947 if (nfa_time_limit != NULL && ++nfa_time_count == 20) |
| 6948 { | |
| 6949 nfa_time_count = 0; | |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
6950 if (nfa_did_time_out()) |
| 6573 | 6951 break; |
| 6952 } | |
| 6953 #endif | |
|
4515
90e9917d4114
updated for version 7.3.1005
Bram Moolenaar <bram@vim.org>
parents:
4507
diff
changeset
|
6954 } |
| 4444 | 6955 |
| 6956 #ifdef ENABLE_LOG | |
| 6957 if (log_fd != stderr) | |
| 6958 fclose(log_fd); | |
| 6959 log_fd = NULL; | |
| 6960 #endif | |
| 6961 | |
| 6962 theend: | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6963 // Free memory |
| 4444 | 6964 vim_free(list[0].t); |
| 6965 vim_free(list[1].t); | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6966 vim_free(listids); |
|
4783
47222d8b1e94
updated for version 7.3.1138
Bram Moolenaar <bram@vim.org>
parents:
4781
diff
changeset
|
6967 #undef ADD_STATE_IF_MATCH |
| 4460 | 6968 #ifdef NFA_REGEXP_DEBUG_LOG |
| 4444 | 6969 fclose(debug); |
| 6970 #endif | |
| 6971 | |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
6972 return nfa_match; |
| 4444 | 6973 } |
| 6974 | |
| 6975 /* | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6976 * Try match of "prog" with at rex.line["col"]. |
| 6392 | 6977 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
| 4444 | 6978 */ |
| 6979 static long | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
6980 nfa_regtry( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
6981 nfa_regprog_T *prog, |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
6982 colnr_T col, |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6983 proftime_T *tm UNUSED, // timeout limit or NULL |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
6984 int *timed_out UNUSED) // flag set on timeout or NULL |
| 4444 | 6985 { |
| 6986 int i; | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6987 regsubs_T subs, m; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
6988 nfa_state_T *start = prog->start; |
| 6328 | 6989 int result; |
| 4444 | 6990 #ifdef ENABLE_LOG |
| 6991 FILE *f; | |
| 6992 #endif | |
| 6993 | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
6994 rex.input = rex.line + col; |
| 6573 | 6995 #ifdef FEAT_RELTIME |
| 6996 nfa_time_limit = tm; | |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
6997 nfa_timed_out = timed_out; |
| 6573 | 6998 nfa_time_count = 0; |
| 6999 #endif | |
| 4444 | 7000 |
| 7001 #ifdef ENABLE_LOG | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
7002 f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 7003 if (f != NULL) |
| 7004 { | |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
7005 fprintf(f, "\n\n\t=======================================================\n"); |
| 4444 | 7006 #ifdef DEBUG |
| 7007 fprintf(f, "\tRegexp is \"%s\"\n", nfa_regengine.expr); | |
| 7008 #endif | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7009 fprintf(f, "\tInput text is \"%s\" \n", rex.input); |
|
4750
7793e737ec87
updated for version 7.3.1122
Bram Moolenaar <bram@vim.org>
parents:
4748
diff
changeset
|
7010 fprintf(f, "\t=======================================================\n\n"); |
|
4533
6a2005efa02b
updated for version 7.3.1014
Bram Moolenaar <bram@vim.org>
parents:
4531
diff
changeset
|
7011 nfa_print_state(f, start); |
| 4444 | 7012 fprintf(f, "\n\n"); |
| 7013 fclose(f); | |
| 7014 } | |
| 7015 else | |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
7016 emsg("Could not open temporary log file for writing"); |
| 4444 | 7017 #endif |
| 7018 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7019 clear_sub(&subs.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7020 clear_sub(&m.norm); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7021 #ifdef FEAT_SYN_HL |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7022 clear_sub(&subs.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7023 clear_sub(&m.synt); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7024 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7025 |
| 6328 | 7026 result = nfa_regmatch(prog, start, &subs, &m); |
| 7027 if (result == FALSE) | |
| 4444 | 7028 return 0; |
| 6328 | 7029 else if (result == NFA_TOO_EXPENSIVE) |
| 7030 return result; | |
| 4444 | 7031 |
| 7032 cleanup_subexpr(); | |
| 7033 if (REG_MULTI) | |
| 7034 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7035 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 7036 { |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7037 rex.reg_startpos[i].lnum = subs.norm.list.multi[i].start_lnum; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7038 rex.reg_startpos[i].col = subs.norm.list.multi[i].start_col; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7039 |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7040 rex.reg_endpos[i].lnum = subs.norm.list.multi[i].end_lnum; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7041 rex.reg_endpos[i].col = subs.norm.list.multi[i].end_col; |
| 4444 | 7042 } |
| 7043 | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7044 if (rex.reg_startpos[0].lnum < 0) |
| 4444 | 7045 { |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7046 rex.reg_startpos[0].lnum = 0; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7047 rex.reg_startpos[0].col = col; |
| 4444 | 7048 } |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7049 if (rex.reg_endpos[0].lnum < 0) |
| 4444 | 7050 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7051 // pattern has a \ze but it didn't match, use current end |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7052 rex.reg_endpos[0].lnum = rex.lnum; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7053 rex.reg_endpos[0].col = (int)(rex.input - rex.line); |
| 4444 | 7054 } |
| 7055 else | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7056 // Use line number of "\ze". |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7057 rex.lnum = rex.reg_endpos[0].lnum; |
| 4444 | 7058 } |
| 7059 else | |
| 7060 { | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7061 for (i = 0; i < subs.norm.in_use; i++) |
| 4444 | 7062 { |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7063 rex.reg_startp[i] = subs.norm.list.line[i].start; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7064 rex.reg_endp[i] = subs.norm.list.line[i].end; |
| 4444 | 7065 } |
| 7066 | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7067 if (rex.reg_startp[0] == NULL) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7068 rex.reg_startp[0] = rex.line + col; |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7069 if (rex.reg_endp[0] == NULL) |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7070 rex.reg_endp[0] = rex.input; |
| 4444 | 7071 } |
| 7072 | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7073 #ifdef FEAT_SYN_HL |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7074 // Package any found \z(...\) matches for export. Default is none. |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7075 unref_extmatch(re_extmatch_out); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7076 re_extmatch_out = NULL; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7077 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7078 if (prog->reghasz == REX_SET) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7079 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7080 cleanup_zsubexpr(); |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7081 re_extmatch_out = make_extmatch(); |
|
18945
c62d63d2b9f0
patch 8.2.0033: crash when make_extmatch() runs out of memory
Bram Moolenaar <Bram@vim.org>
parents:
18812
diff
changeset
|
7082 if (re_extmatch_out == NULL) |
|
c62d63d2b9f0
patch 8.2.0033: crash when make_extmatch() runs out of memory
Bram Moolenaar <Bram@vim.org>
parents:
18812
diff
changeset
|
7083 return 0; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7084 // Loop over \z1, \z2, etc. There is no \z0. |
|
7258
7245d8635ac7
commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997
Christian Brabandt <cb@256bit.org>
parents:
7152
diff
changeset
|
7085 for (i = 1; i < subs.synt.in_use; i++) |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7086 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7087 if (REG_MULTI) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7088 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7089 struct multipos *mpos = &subs.synt.list.multi[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7090 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7091 // Only accept single line matches that are valid. |
| 6547 | 7092 if (mpos->start_lnum >= 0 |
| 7093 && mpos->start_lnum == mpos->end_lnum | |
| 7094 && mpos->end_col >= mpos->start_col) | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7095 re_extmatch_out->matches[i] = |
| 6547 | 7096 vim_strnsave(reg_getline(mpos->start_lnum) |
| 7097 + mpos->start_col, | |
| 7098 mpos->end_col - mpos->start_col); | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7099 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7100 else |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7101 { |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7102 struct linepos *lpos = &subs.synt.list.line[i]; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7103 |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7104 if (lpos->start != NULL && lpos->end != NULL) |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7105 re_extmatch_out->matches[i] = |
|
20830
9064044fd4f6
patch 8.2.0967: unnecessary type casts for vim_strnsave()
Bram Moolenaar <Bram@vim.org>
parents:
20772
diff
changeset
|
7106 vim_strnsave(lpos->start, lpos->end - lpos->start); |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7107 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7108 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7109 } |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7110 #endif |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7111 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7112 return 1 + rex.lnum; |
| 4444 | 7113 } |
| 7114 | |
| 7115 /* | |
| 7116 * Match a regexp against a string ("line" points to the string) or multiple | |
| 7117 * lines ("line" is NULL, use reg_getline()). | |
| 7118 * | |
| 6392 | 7119 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
| 4444 | 7120 */ |
| 7121 static long | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7122 nfa_regexec_both( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7123 char_u *line, |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7124 colnr_T startcol, // column to start looking for match |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7125 proftime_T *tm, // timeout limit or NULL |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7126 int *timed_out) // flag set on timeout or NULL |
| 4444 | 7127 { |
| 7128 nfa_regprog_T *prog; | |
| 7129 long retval = 0L; | |
| 7130 int i; | |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7131 colnr_T col = startcol; |
| 4444 | 7132 |
| 7133 if (REG_MULTI) | |
| 7134 { | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7135 prog = (nfa_regprog_T *)rex.reg_mmatch->regprog; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7136 line = reg_getline((linenr_T)0); // relative to the cursor |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7137 rex.reg_startpos = rex.reg_mmatch->startpos; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7138 rex.reg_endpos = rex.reg_mmatch->endpos; |
| 4444 | 7139 } |
| 7140 else | |
| 7141 { | |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7142 prog = (nfa_regprog_T *)rex.reg_match->regprog; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7143 rex.reg_startp = rex.reg_match->startp; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7144 rex.reg_endp = rex.reg_match->endp; |
| 4444 | 7145 } |
| 7146 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7147 // Be paranoid... |
| 4444 | 7148 if (prog == NULL || line == NULL) |
| 7149 { | |
|
15470
55ccc2d353bd
patch 8.1.0743: giving error messages is not flexible
Bram Moolenaar <Bram@vim.org>
parents:
15265
diff
changeset
|
7150 emsg(_(e_null)); |
| 4444 | 7151 goto theend; |
| 7152 } | |
| 7153 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7154 // If pattern contains "\c" or "\C": overrule value of rex.reg_ic |
| 4444 | 7155 if (prog->regflags & RF_ICASE) |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7156 rex.reg_ic = TRUE; |
| 4444 | 7157 else if (prog->regflags & RF_NOICASE) |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7158 rex.reg_ic = FALSE; |
| 4444 | 7159 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7160 // If pattern contains "\Z" overrule value of rex.reg_icombine |
| 4444 | 7161 if (prog->regflags & RF_ICOMBINE) |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7162 rex.reg_icombine = TRUE; |
| 4444 | 7163 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7164 rex.line = line; |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7165 rex.lnum = 0; // relative to line |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7166 |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7167 rex.nfa_has_zend = prog->has_zend; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7168 rex.nfa_has_backref = prog->has_backref; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7169 rex.nfa_nsubexpr = prog->nsubexp; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7170 rex.nfa_listid = 1; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7171 rex.nfa_alt_listid = 2; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7172 #ifdef DEBUG |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7173 nfa_regengine.expr = prog->pattern; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7174 #endif |
|
4553
7b835b2969af
updated for version 7.3.1024
Bram Moolenaar <bram@vim.org>
parents:
4551
diff
changeset
|
7175 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7176 if (prog->reganch && col > 0) |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7177 return 0L; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7178 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7179 rex.need_clear_subexpr = TRUE; |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7180 #ifdef FEAT_SYN_HL |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7181 // Clear the external match subpointers if necessary. |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7182 if (prog->reghasz == REX_SET) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7183 { |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7184 rex.nfa_has_zsubexpr = TRUE; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7185 rex.need_clear_zsubexpr = TRUE; |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7186 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7187 else |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7188 { |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7189 rex.nfa_has_zsubexpr = FALSE; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7190 rex.need_clear_zsubexpr = FALSE; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7191 } |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7192 #endif |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7193 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7194 if (prog->regstart != NUL) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7195 { |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7196 // Skip ahead until a character we know the match must start with. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7197 // When there is none there is no match. |
|
4801
3cd3cc1e9119
updated for version 7.3.1147
Bram Moolenaar <bram@vim.org>
parents:
4799
diff
changeset
|
7198 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
|
7199 return 0L; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7200 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7201 // If match_text is set it contains the full text that must match. |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7202 // Nothing else to try. Doesn't handle combining chars well. |
|
15603
639b8318472c
patch 8.1.0809: too many #ifdefs
Bram Moolenaar <Bram@vim.org>
parents:
15490
diff
changeset
|
7203 if (prog->match_text != NULL && !rex.reg_icombine) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7204 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
|
7205 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7206 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7207 // If the start column is past the maximum column: no need to try. |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7208 if (rex.reg_maxcol > 0 && col >= rex.reg_maxcol) |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7209 goto theend; |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7210 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7211 // Set the "nstate" used by nfa_regcomp() to zero to trigger an error when |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7212 // it's accidentally used during execution. |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7213 nstate = 0; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7214 for (i = 0; i < prog->nstate; ++i) |
| 4444 | 7215 { |
| 7216 prog->state[i].id = i; | |
|
4718
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7217 prog->state[i].lastlist[0] = 0; |
|
ec72bb4a0fc2
updated for version 7.3.1106
Bram Moolenaar <bram@vim.org>
parents:
4716
diff
changeset
|
7218 prog->state[i].lastlist[1] = 0; |
| 4444 | 7219 } |
| 7220 | |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
7221 retval = nfa_regtry(prog, col, tm, timed_out); |
| 4444 | 7222 |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7223 #ifdef DEBUG |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7224 nfa_regengine.expr = NULL; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7225 #endif |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7226 |
| 4444 | 7227 theend: |
| 7228 return retval; | |
| 7229 } | |
| 7230 | |
| 7231 /* | |
| 7232 * Compile a regular expression into internal code for the NFA matcher. | |
| 7233 * Returns the program in allocated space. Returns NULL for an error. | |
| 7234 */ | |
| 7235 static regprog_T * | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7236 nfa_regcomp(char_u *expr, int re_flags) |
| 4444 | 7237 { |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7238 nfa_regprog_T *prog = NULL; |
| 4458 | 7239 size_t prog_size; |
| 4444 | 7240 int *postfix; |
| 7241 | |
| 7242 if (expr == NULL) | |
| 7243 return NULL; | |
| 7244 | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7245 #ifdef DEBUG |
| 4444 | 7246 nfa_regengine.expr = expr; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7247 #endif |
| 6533 | 7248 nfa_re_flags = re_flags; |
| 4444 | 7249 |
| 7250 init_class_tab(); | |
| 7251 | |
| 7252 if (nfa_regcomp_start(expr, re_flags) == FAIL) | |
| 7253 return NULL; | |
| 7254 | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7255 // Build postfix form of the regexp. Needed to build the NFA |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7256 // (and count its size). |
| 4444 | 7257 postfix = re2post(); |
| 7258 if (postfix == NULL) | |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7259 goto fail; // Cascaded (syntax?) error |
| 4444 | 7260 |
| 7261 /* | |
| 7262 * In order to build the NFA, we parse the input regexp twice: | |
| 7263 * 1. first pass to count size (so we can allocate space) | |
| 7264 * 2. second to emit code | |
| 7265 */ | |
| 7266 #ifdef ENABLE_LOG | |
| 7267 { | |
|
4531
1be43c095aff
updated for version 7.3.1013
Bram Moolenaar <bram@vim.org>
parents:
4529
diff
changeset
|
7268 FILE *f = fopen(NFA_REGEXP_RUN_LOG, "a"); |
| 4444 | 7269 |
| 7270 if (f != NULL) | |
| 7271 { | |
|
14145
1cf832945469
patch 8.1.0090: "..." used inconsistently in a message
Christian Brabandt <cb@256bit.org>
parents:
14121
diff
changeset
|
7272 fprintf(f, "\n*****************************\n\n\n\n\tCompiling regexp \"%s\"... hold on !\n", expr); |
| 4444 | 7273 fclose(f); |
| 7274 } | |
| 7275 } | |
| 7276 #endif | |
| 7277 | |
| 7278 /* | |
| 7279 * PASS 1 | |
| 7280 * Count number of NFA states in "nstate". Do not build the NFA. | |
| 7281 */ | |
| 7282 post2nfa(postfix, post_ptr, TRUE); | |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7283 |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7284 // allocate the regprog with space for the compiled regexp |
|
4837
05b8436873d4
updated for version 7.3.1165
Bram Moolenaar <bram@vim.org>
parents:
4821
diff
changeset
|
7285 prog_size = sizeof(nfa_regprog_T) + sizeof(nfa_state_T) * (nstate - 1); |
|
16825
ce04ebdf26b8
patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts
Bram Moolenaar <Bram@vim.org>
parents:
16782
diff
changeset
|
7286 prog = alloc(prog_size); |
|
4541
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7287 if (prog == NULL) |
|
80170d61a85c
updated for version 7.3.1018
Bram Moolenaar <bram@vim.org>
parents:
4539
diff
changeset
|
7288 goto fail; |
| 4444 | 7289 state_ptr = prog->state; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7290 prog->re_in_use = FALSE; |
| 4444 | 7291 |
| 7292 /* | |
| 7293 * PASS 2 | |
| 7294 * Build the NFA | |
| 7295 */ | |
| 7296 prog->start = post2nfa(postfix, post_ptr, FALSE); | |
| 7297 if (prog->start == NULL) | |
| 7298 goto fail; | |
| 7299 | |
| 7300 prog->regflags = regflags; | |
| 7301 prog->engine = &nfa_regengine; | |
| 7302 prog->nstate = nstate; | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7303 prog->has_zend = rex.nfa_has_zend; |
|
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7304 prog->has_backref = rex.nfa_has_backref; |
|
4561
4d81fdda8f35
updated for version 7.3.1028
Bram Moolenaar <bram@vim.org>
parents:
4559
diff
changeset
|
7305 prog->nsubexp = regnpar; |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7306 |
|
4845
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7307 nfa_postprocess(prog); |
|
a83fb2bd8c8e
updated for version 7.3.1169
Bram Moolenaar <bram@vim.org>
parents:
4837
diff
changeset
|
7308 |
|
4772
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7309 prog->reganch = nfa_get_reganch(prog->start, 0); |
|
03375ccf28a2
updated for version 7.3.1133
Bram Moolenaar <bram@vim.org>
parents:
4770
diff
changeset
|
7310 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
|
7311 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
|
7312 |
| 4444 | 7313 #ifdef ENABLE_LOG |
| 7314 nfa_postfix_dump(expr, OK); | |
| 7315 nfa_dump(prog); | |
| 7316 #endif | |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7317 #ifdef FEAT_SYN_HL |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7318 // Remember whether this pattern has any \z specials in it. |
|
4686
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7319 prog->reghasz = re_has_z; |
|
8db697ae406a
updated for version 7.3.1090
Bram Moolenaar <bram@vim.org>
parents:
4682
diff
changeset
|
7320 #endif |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7321 prog->pattern = vim_strsave(expr); |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7322 #ifdef DEBUG |
|
4690
9d97a0c045ef
updated for version 7.3.1092
Bram Moolenaar <bram@vim.org>
parents:
4688
diff
changeset
|
7323 nfa_regengine.expr = NULL; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7324 #endif |
| 4444 | 7325 |
| 7326 out: | |
|
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13208
diff
changeset
|
7327 VIM_CLEAR(post_start); |
|
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13208
diff
changeset
|
7328 post_ptr = post_end = NULL; |
| 4444 | 7329 state_ptr = NULL; |
| 7330 return (regprog_T *)prog; | |
| 7331 | |
| 7332 fail: | |
|
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13208
diff
changeset
|
7333 VIM_CLEAR(prog); |
| 4444 | 7334 #ifdef ENABLE_LOG |
| 7335 nfa_postfix_dump(expr, FAIL); | |
| 7336 #endif | |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7337 #ifdef DEBUG |
| 4444 | 7338 nfa_regengine.expr = NULL; |
|
14354
ffd834f893aa
patch 8.1.0192: executing regexp recursively fails with a crash
Christian Brabandt <cb@256bit.org>
parents:
14309
diff
changeset
|
7339 #endif |
| 4444 | 7340 goto out; |
| 7341 } | |
| 7342 | |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7343 /* |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7344 * 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
|
7345 */ |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7346 static void |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7347 nfa_regfree(regprog_T *prog) |
|
4805
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7348 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7349 if (prog != NULL) |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7350 { |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7351 vim_free(((nfa_regprog_T *)prog)->match_text); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7352 vim_free(((nfa_regprog_T *)prog)->pattern); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7353 vim_free(prog); |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7354 } |
|
66803af09906
updated for version 7.3.1149
Bram Moolenaar <bram@vim.org>
parents:
4801
diff
changeset
|
7355 } |
| 4444 | 7356 |
| 7357 /* | |
| 7358 * Match a regexp against a string. | |
| 7359 * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp(). | |
| 7360 * Uses curbuf for line count and 'iskeyword'. | |
| 5838 | 7361 * If "line_lbr" is TRUE consider a "\n" in "line" to be a line break. |
| 4444 | 7362 * |
| 6392 | 7363 * Returns <= 0 for failure, number of lines contained in the match otherwise. |
| 4444 | 7364 */ |
| 7365 static int | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7366 nfa_regexec_nl( |
|
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7367 regmatch_T *rmp, |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7368 char_u *line, // string to match against |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7369 colnr_T col, // column to start looking for match |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7370 int line_lbr) |
| 4444 | 7371 { |
|
10245
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7372 rex.reg_match = rmp; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7373 rex.reg_mmatch = NULL; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7374 rex.reg_maxline = 0; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7375 rex.reg_line_lbr = line_lbr; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7376 rex.reg_buf = curbuf; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7377 rex.reg_win = NULL; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7378 rex.reg_ic = rmp->rm_ic; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7379 rex.reg_icombine = FALSE; |
|
d76ccdacb41e
commit https://github.com/vim/vim/commit/6100d02aab7c8294b581cb299250eea164b50e9d
Christian Brabandt <cb@256bit.org>
parents:
10170
diff
changeset
|
7380 rex.reg_maxcol = 0; |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
7381 return nfa_regexec_both(line, col, NULL, NULL); |
| 4444 | 7382 } |
| 7383 | |
| 7384 | |
| 7385 /* | |
| 7386 * Match a regexp against multiple lines. | |
| 7387 * "rmp->regprog" is a compiled regexp as returned by vim_regcomp(). | |
| 7388 * Uses curbuf for line count and 'iskeyword'. | |
| 7389 * | |
| 6392 | 7390 * Return <= 0 if there is no match. Return number of lines contained in the |
| 4444 | 7391 * match otherwise. |
| 7392 * | |
| 7393 * Note: the body is the same as bt_regexec() except for nfa_regexec_both() | |
| 7394 * | |
| 7395 * ! Also NOTE : match may actually be in another line. e.g.: | |
| 7396 * when r.e. is \nc, cursor is at 'a' and the text buffer looks like | |
| 7397 * | |
| 7398 * +-------------------------+ | |
| 7399 * |a | | |
| 7400 * |b | | |
| 7401 * |c | | |
| 7402 * | | | |
| 7403 * +-------------------------+ | |
| 7404 * | |
| 7405 * then nfa_regexec_multi() returns 3. while the original | |
| 7406 * vim_regexec_multi() returns 0 and a second call at line 2 will return 2. | |
| 7407 * | |
| 7408 * FIXME if this behavior is not compatible. | |
| 7409 */ | |
| 7410 static long | |
|
7833
c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7411 nfa_regexec_multi( |
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c079097365f3
commit https://github.com/vim/vim/commit/055409764ca5f7978d4c399d2c440af0ce971c4f
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
7412 regmmatch_T *rmp, |
|
18812
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7413 win_T *win, // window in which to search or NULL |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7414 buf_T *buf, // buffer in which to search |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7415 linenr_T lnum, // nr of line to start looking for match |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7416 colnr_T col, // column to start looking for match |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7417 proftime_T *tm, // timeout limit or NULL |
|
d34ec6fe207d
patch 8.1.2394: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18498
diff
changeset
|
7418 int *timed_out) // flag set on timeout or NULL |
| 4444 | 7419 { |
|
19405
08f4dc2ba716
patch 8.2.0260: several lines of code are duplicated
Bram Moolenaar <Bram@vim.org>
parents:
18945
diff
changeset
|
7420 init_regexec_multi(rmp, win, buf, lnum); |
|
11521
578df034735d
patch 8.0.0643: when a pattern search is slow Vim becomes unusable
Christian Brabandt <cb@256bit.org>
parents:
11480
diff
changeset
|
7421 return nfa_regexec_both(NULL, col, tm, timed_out); |
| 4444 | 7422 } |
| 7423 | |
| 7424 #ifdef DEBUG | |
| 7425 # undef ENABLE_LOG | |
| 7426 #endif |